1 | /** |
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2 | * PrivateBin |
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3 | * |
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4 | * a zero-knowledge paste bin |
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5 | * |
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6 | * @see {@link https://github.com/PrivateBin/PrivateBin} |
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7 | * @copyright 2012 Sébastien SAUVAGE ({@link http://sebsauvage.net}) |
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8 | * @license {@link https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License} |
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9 | * @version 1.1.1 |
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10 | * @name PrivateBin |
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11 | * @namespace |
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12 | */ |
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13 | |||
14 | /** global: Base64 */ |
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15 | /** global: DOMPurify */ |
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16 | /** global: FileReader */ |
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17 | /** global: RawDeflate */ |
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18 | /** global: history */ |
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19 | /** global: navigator */ |
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20 | /** global: prettyPrint */ |
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21 | /** global: prettyPrintOne */ |
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22 | /** global: showdown */ |
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23 | /** global: sjcl */ |
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24 | /** global: kjua */ |
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25 | |||
26 | // Immediately start random number generator collector. |
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27 | sjcl.random.startCollectors(); |
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28 | |||
29 | // main application start, called when DOM is fully loaded |
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30 | jQuery(document).ready(function() { |
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31 | // run main controller |
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32 | $.PrivateBin.Controller.init(); |
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33 | }); |
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34 | |||
35 | jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) { |
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36 | 'use strict'; |
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37 | |||
38 | /** |
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39 | * static Helper methods |
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40 | * |
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41 | * @name Helper |
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42 | * @class |
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43 | */ |
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44 | var Helper = (function () { |
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45 | var me = {}; |
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46 | |||
47 | /** |
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48 | * cache for script location |
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49 | * |
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50 | * @name Helper.baseUri |
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51 | * @private |
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52 | * @enum {string|null} |
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53 | */ |
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54 | var baseUri = null; |
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55 | |||
56 | /** |
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57 | * converts a duration (in seconds) into human friendly approximation |
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58 | * |
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59 | * @name Helper.secondsToHuman |
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60 | * @function |
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61 | * @param {number} seconds |
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62 | * @return {Array} |
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63 | */ |
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64 | me.secondsToHuman = function(seconds) |
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65 | { |
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66 | var v; |
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67 | if (seconds < 60) |
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68 | { |
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69 | v = Math.floor(seconds); |
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70 | return [v, 'second']; |
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71 | } |
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72 | if (seconds < 60 * 60) |
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73 | { |
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74 | v = Math.floor(seconds / 60); |
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75 | return [v, 'minute']; |
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76 | } |
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77 | if (seconds < 60 * 60 * 24) |
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78 | { |
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79 | v = Math.floor(seconds / (60 * 60)); |
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80 | return [v, 'hour']; |
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81 | } |
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82 | // If less than 2 months, display in days: |
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83 | if (seconds < 60 * 60 * 24 * 60) |
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84 | { |
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85 | v = Math.floor(seconds / (60 * 60 * 24)); |
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86 | return [v, 'day']; |
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87 | } |
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88 | v = Math.floor(seconds / (60 * 60 * 24 * 30)); |
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89 | return [v, 'month']; |
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90 | }; |
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91 | |||
92 | /** |
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93 | * text range selection |
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94 | * |
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95 | * @see {@link https://stackoverflow.com/questions/985272/jquery-selecting-text-in-an-element-akin-to-highlighting-with-your-mouse} |
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96 | * @name Helper.selectText |
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97 | * @function |
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98 | * @param {HTMLElement} element |
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99 | */ |
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100 | me.selectText = function(element) |
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101 | { |
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102 | var range, selection; |
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103 | |||
104 | // MS |
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105 | if (document.body.createTextRange) { |
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106 | range = document.body.createTextRange(); |
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107 | range.moveToElementText(element); |
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108 | range.select(); |
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109 | } else if (window.getSelection) { |
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110 | selection = window.getSelection(); |
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111 | range = document.createRange(); |
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112 | range.selectNodeContents(element); |
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113 | selection.removeAllRanges(); |
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114 | selection.addRange(range); |
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115 | } |
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116 | }; |
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117 | |||
118 | /** |
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119 | * convert URLs to clickable links. |
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120 | * URLs to handle: |
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121 | * <pre> |
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122 | * magnet:?xt.1=urn:sha1:YNCKHTQCWBTRNJIV4WNAE52SJUQCZO5C&xt.2=urn:sha1:TXGCZQTH26NL6OUQAJJPFALHG2LTGBC7 |
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123 | * http://example.com:8800/zero/?6f09182b8ea51997#WtLEUO5Epj9UHAV9JFs+6pUQZp13TuspAUjnF+iM+dM= |
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124 | * http://user:example.com@localhost:8800/zero/?6f09182b8ea51997#WtLEUO5Epj9UHAV9JFs+6pUQZp13TuspAUjnF+iM+dM= |
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125 | * </pre> |
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126 | * |
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127 | * @name Helper.urls2links |
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128 | * @function |
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129 | * @param {string} html |
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130 | * @return {string} |
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131 | */ |
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132 | me.urls2links = function(html) |
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133 | { |
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134 | return html.replace( |
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135 | /(((http|https|ftp):\/\/[\w?=&.\/-;#@~%+*-]+(?![\w\s?&.\/;#~%"=-]*>))|((magnet):[\w?=&.\/-;#@~%+*-]+))/ig, |
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136 | '<a href="$1" rel="nofollow">$1</a>' |
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137 | ); |
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138 | }; |
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139 | |||
140 | /** |
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141 | * minimal sprintf emulation for %s and %d formats |
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142 | * |
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143 | * Note that this function needs the parameters in the same order as the |
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144 | * format strings appear in the string, contrary to the original. |
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145 | * |
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146 | * @see {@link https://stackoverflow.com/questions/610406/javascript-equivalent-to-printf-string-format#4795914} |
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147 | * @name Helper.sprintf |
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148 | * @function |
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149 | * @param {string} format |
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150 | * @param {...*} args - one or multiple parameters injected into format string |
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151 | * @return {string} |
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152 | */ |
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153 | me.sprintf = function() |
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154 | { |
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155 | var args = Array.prototype.slice.call(arguments); |
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156 | var format = args[0], |
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157 | i = 1; |
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158 | return format.replace(/%(s|d)/g, function (m) { |
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159 | // m is the matched format, e.g. %s, %d |
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160 | var val = args[i]; |
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161 | // A switch statement so that the formatter can be extended. |
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162 | switch (m) |
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163 | { |
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164 | case '%d': |
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165 | val = parseFloat(val); |
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166 | if (isNaN(val)) { |
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167 | val = 0; |
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168 | } |
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169 | break; |
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170 | default: |
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171 | // Default is %s |
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172 | } |
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173 | ++i; |
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174 | return val; |
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175 | }); |
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176 | }; |
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177 | |||
178 | /** |
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179 | * get value of cookie, if it was set, empty string otherwise |
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180 | * |
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181 | * @see {@link http://www.w3schools.com/js/js_cookies.asp} |
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182 | * @name Helper.getCookie |
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183 | * @function |
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184 | * @param {string} cname - may not be empty |
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185 | * @return {string} |
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186 | */ |
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187 | me.getCookie = function(cname) { |
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188 | var name = cname + '=', |
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189 | ca = document.cookie.split(';'); |
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190 | for (var i = 0; i < ca.length; ++i) { |
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191 | var c = ca[i]; |
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192 | while (c.charAt(0) === ' ') |
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193 | { |
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194 | c = c.substring(1); |
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195 | } |
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196 | if (c.indexOf(name) === 0) |
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197 | { |
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198 | return c.substring(name.length, c.length); |
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199 | } |
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200 | } |
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201 | return ''; |
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202 | }; |
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203 | |||
204 | /** |
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205 | * get the current location (without search or hash part of the URL), |
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206 | * eg. http://example.com/path/?aaaa#bbbb --> http://example.com/path/ |
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207 | * |
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208 | * @name Helper.baseUri |
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209 | * @function |
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210 | * @return {string} |
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211 | */ |
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212 | me.baseUri = function() |
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213 | { |
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214 | // check for cached version |
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215 | if (baseUri !== null) { |
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216 | return baseUri; |
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217 | } |
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218 | |||
219 | baseUri = window.location.origin + window.location.pathname; |
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220 | return baseUri; |
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221 | }; |
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222 | |||
223 | /** |
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224 | * resets state, used for unit testing |
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225 | * |
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226 | * @name Helper.reset |
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227 | * @function |
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228 | */ |
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229 | me.reset = function() |
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230 | { |
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231 | baseUri = null; |
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232 | }; |
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233 | |||
234 | return me; |
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235 | })(); |
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236 | |||
237 | /** |
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238 | * internationalization module |
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239 | * |
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240 | * @name I18n |
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241 | * @class |
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242 | */ |
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243 | var I18n = (function () { |
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244 | var me = {}; |
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245 | |||
246 | /** |
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247 | * const for string of loaded language |
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248 | * |
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249 | * @name I18n.languageLoadedEvent |
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250 | * @private |
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251 | * @prop {string} |
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252 | * @readonly |
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253 | */ |
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254 | var languageLoadedEvent = 'languageLoaded'; |
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255 | |||
256 | /** |
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257 | * supported languages, minus the built in 'en' |
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258 | * |
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259 | * @name I18n.supportedLanguages |
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260 | * @private |
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261 | * @prop {string[]} |
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262 | * @readonly |
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263 | */ |
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264 | var supportedLanguages = ['de', 'es', 'fr', 'it', 'no', 'pl', 'pt', 'oc', 'ru', 'sl', 'zh']; |
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265 | |||
266 | /** |
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267 | * built in language |
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268 | * |
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269 | * @name I18n.language |
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270 | * @private |
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271 | * @prop {string|null} |
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272 | */ |
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273 | var language = null; |
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274 | |||
275 | /** |
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276 | * translation cache |
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277 | * |
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278 | * @name I18n.translations |
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279 | * @private |
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280 | * @enum {Object} |
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281 | */ |
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282 | var translations = {}; |
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283 | |||
284 | /** |
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285 | * translate a string, alias for I18n.translate |
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286 | * |
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287 | * @name I18n._ |
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288 | * @function |
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289 | * @param {jQuery} $element - optional |
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290 | * @param {string} messageId |
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291 | * @param {...*} args - one or multiple parameters injected into placeholders |
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292 | * @return {string} |
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293 | */ |
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294 | me._ = function() |
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295 | { |
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296 | return me.translate.apply(this, arguments); |
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297 | }; |
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298 | |||
299 | /** |
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300 | * translate a string |
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301 | * |
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302 | * Optionally pass a jQuery element as the first parameter, to automatically |
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303 | * let the text of this element be replaced. In case the (asynchronously |
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304 | * loaded) language is not downloadet yet, this will make sure the string |
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305 | * is replaced when it is actually loaded. |
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306 | * So for easy translations passing the jQuery object to apply it to is |
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307 | * more save, especially when they are loaded in the beginning. |
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308 | * |
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309 | * @name I18n.translate |
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310 | * @function |
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311 | * @param {jQuery} $element - optional |
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312 | * @param {string} messageId |
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313 | * @param {...*} args - one or multiple parameters injected into placeholders |
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314 | * @return {string} |
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315 | */ |
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316 | me.translate = function() |
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317 | { |
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318 | // convert parameters to array |
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319 | var args = Array.prototype.slice.call(arguments), |
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320 | messageId, |
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321 | $element = null; |
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322 | |||
323 | // parse arguments |
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324 | if (args[0] instanceof jQuery) { |
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325 | // optional jQuery element as first parameter |
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326 | $element = args[0]; |
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327 | args.shift(); |
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328 | } |
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329 | |||
330 | // extract messageId from arguments |
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331 | var usesPlurals = $.isArray(args[0]); |
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332 | if (usesPlurals) { |
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333 | // use the first plural form as messageId, otherwise the singular |
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334 | messageId = (args[0].length > 1 ? args[0][1] : args[0][0]); |
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335 | } else { |
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336 | messageId = args[0]; |
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337 | } |
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338 | |||
339 | if (messageId.length === 0) { |
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340 | return messageId; |
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341 | } |
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342 | |||
343 | // if no translation string cannot be found (in translations object) |
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344 | if (!translations.hasOwnProperty(messageId) || language === null) { |
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345 | // if language is still loading and we have an elemt assigned |
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346 | if (language === null && $element !== null) { |
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347 | // handle the error by attaching the language loaded event |
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348 | var orgArguments = arguments; |
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349 | $(document).on(languageLoadedEvent, function () { |
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350 | // log to show that the previous error could be mitigated |
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351 | console.warn('Fix missing translation of \'' + messageId + '\' with now loaded language ' + language); |
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352 | // re-execute this function |
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353 | me.translate.apply(this, orgArguments); |
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354 | }); |
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355 | |||
356 | // and fall back to English for now until the real language |
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357 | // file is loaded |
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358 | } |
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359 | |||
360 | // for all other langauges than English for which this behaviour |
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361 | // is expected as it is built-in, log error |
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362 | if (language !== null && language !== 'en') { |
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363 | console.error('Missing translation for: \'' + messageId + '\' in language ' + language); |
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364 | // fallback to English |
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365 | } |
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366 | |||
367 | // save English translation (should be the same on both sides) |
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368 | translations[messageId] = args[0]; |
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369 | } |
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370 | |||
371 | // lookup plural translation |
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372 | if (usesPlurals && $.isArray(translations[messageId])) { |
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373 | var n = parseInt(args[1] || 1, 10), |
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374 | key = me.getPluralForm(n), |
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375 | maxKey = translations[messageId].length - 1; |
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376 | if (key > maxKey) { |
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377 | key = maxKey; |
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378 | } |
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379 | args[0] = translations[messageId][key]; |
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380 | args[1] = n; |
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381 | } else { |
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382 | // lookup singular translation |
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383 | args[0] = translations[messageId]; |
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384 | } |
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385 | |||
386 | // format string |
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387 | var output = Helper.sprintf.apply(this, args); |
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388 | |||
389 | // if $element is given, apply text to element |
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390 | if ($element !== null) { |
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391 | // get last text node of element |
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392 | var content = $element.contents(); |
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393 | if (content.length > 1) { |
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394 | content[content.length - 1].nodeValue = ' ' + output; |
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395 | } else { |
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396 | $element.text(output); |
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397 | } |
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398 | } |
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399 | |||
400 | return output; |
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401 | }; |
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402 | |||
403 | /** |
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404 | * per language functions to use to determine the plural form |
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405 | * |
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406 | * @see {@link http://localization-guide.readthedocs.org/en/latest/l10n/pluralforms.html} |
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407 | * @name I18n.getPluralForm |
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408 | * @function |
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409 | * @param {int} n |
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410 | * @return {int} array key |
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411 | */ |
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412 | me.getPluralForm = function(n) { |
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413 | switch (language) |
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414 | { |
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415 | case 'fr': |
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416 | case 'oc': |
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417 | case 'zh': |
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418 | return (n > 1 ? 1 : 0); |
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419 | case 'pl': |
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420 | return (n === 1 ? 0 : (n % 10 >= 2 && n %10 <=4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2)); |
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421 | case 'ru': |
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422 | return (n % 10 === 1 && n % 100 !== 11 ? 0 : (n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2)); |
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423 | case 'sl': |
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424 | return (n % 100 === 1 ? 1 : (n % 100 === 2 ? 2 : (n % 100 === 3 || n % 100 === 4 ? 3 : 0))); |
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425 | // de, en, es, it, no, pt |
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426 | default: |
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427 | return (n !== 1 ? 1 : 0); |
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428 | } |
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429 | }; |
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430 | |||
431 | /** |
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432 | * load translations into cache |
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433 | * |
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434 | * @name I18n.loadTranslations |
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435 | * @function |
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436 | */ |
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437 | me.loadTranslations = function() |
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438 | { |
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439 | var newLanguage = Helper.getCookie('lang'); |
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440 | |||
441 | // auto-select language based on browser settings |
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442 | if (newLanguage.length === 0) { |
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443 | newLanguage = (navigator.language || navigator.userLanguage).substring(0, 2); |
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444 | } |
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445 | |||
446 | // if language is already used skip update |
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447 | if (newLanguage === language) { |
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448 | return; |
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449 | } |
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450 | |||
451 | // if language is built-in (English) skip update |
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452 | if (newLanguage === 'en') { |
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453 | language = 'en'; |
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454 | return; |
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455 | } |
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456 | |||
457 | // if language is not supported, show error |
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458 | if (supportedLanguages.indexOf(newLanguage) === -1) { |
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459 | console.error('Language \'%s\' is not supported. Translation failed, fallback to English.', newLanguage); |
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460 | language = 'en'; |
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461 | return; |
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462 | } |
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463 | |||
464 | // load strings from JSON |
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465 | $.getJSON('i18n/' + newLanguage + '.json', function(data) { |
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466 | language = newLanguage; |
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467 | translations = data; |
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468 | $(document).triggerHandler(languageLoadedEvent); |
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469 | }).fail(function (data, textStatus, errorMsg) { |
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470 | console.error('Language \'%s\' could not be loaded (%s: %s). Translation failed, fallback to English.', newLanguage, textStatus, errorMsg); |
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471 | language = 'en'; |
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472 | }); |
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473 | }; |
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474 | |||
475 | /** |
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476 | * resets state, used for unit testing |
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477 | * |
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478 | * @name I18n.reset |
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479 | * @function |
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480 | */ |
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481 | me.reset = function(mockLanguage, mockTranslations) |
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482 | { |
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483 | language = mockLanguage || null; |
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484 | translations = mockTranslations || {}; |
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485 | }; |
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486 | |||
487 | return me; |
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488 | })(); |
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489 | |||
490 | /** |
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491 | * handles everything related to en/decryption |
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492 | * |
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493 | * @name CryptTool |
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494 | * @class |
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495 | */ |
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496 | var CryptTool = (function () { |
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497 | var me = {}; |
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498 | |||
499 | /** |
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500 | * compress a message (deflate compression), returns base64 encoded data |
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501 | * |
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502 | * @name CryptTool.compress |
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503 | * @function |
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504 | * @private |
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505 | * @param {string} message |
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506 | * @return {string} base64 data |
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507 | */ |
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508 | function compress(message) |
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509 | { |
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510 | return Base64.toBase64( RawDeflate.deflate( Base64.utob(message) ) ); |
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511 | } |
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512 | |||
513 | /** |
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514 | * decompress a message compressed with cryptToolcompress() |
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515 | * |
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516 | * @name CryptTool.decompress |
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517 | * @function |
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518 | * @private |
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519 | * @param {string} data - base64 data |
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520 | * @return {string} message |
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521 | */ |
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522 | function decompress(data) |
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523 | { |
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524 | return Base64.btou( RawDeflate.inflate( Base64.fromBase64(data) ) ); |
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525 | } |
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526 | |||
527 | /** |
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528 | * compress, then encrypt message with given key and password |
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529 | * |
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530 | * @name CryptTool.cipher |
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531 | * @function |
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532 | * @param {string} key |
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533 | * @param {string} password |
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534 | * @param {string} message |
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535 | * @return {string} data - JSON with encrypted data |
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536 | */ |
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537 | me.cipher = function(key, password, message) |
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538 | { |
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539 | // Galois Counter Mode, keysize 256 bit, authentication tag 128 bit |
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540 | var options = { |
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541 | mode: 'gcm', |
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542 | ks: 256, |
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543 | ts: 128 |
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544 | }; |
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545 | |||
546 | if ((password || '').trim().length === 0) { |
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547 | return sjcl.encrypt(key, compress(message), options); |
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548 | } |
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549 | return sjcl.encrypt(key + sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(password)), compress(message), options); |
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550 | }; |
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551 | |||
552 | /** |
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553 | * decrypt message with key, then decompress |
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554 | * |
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555 | * @name CryptTool.decipher |
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556 | * @function |
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557 | * @param {string} key |
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558 | * @param {string} password |
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559 | * @param {string} data - JSON with encrypted data |
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560 | * @return {string} decrypted message |
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561 | */ |
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562 | me.decipher = function(key, password, data) |
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563 | { |
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564 | if (data !== undefined) { |
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565 | try { |
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566 | return decompress(sjcl.decrypt(key, data)); |
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567 | } catch(err) { |
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568 | try { |
||
569 | return decompress(sjcl.decrypt(key + sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(password)), data)); |
||
570 | } catch(e) { |
||
571 | // ignore error, because ????? @TODO |
||
572 | } |
||
573 | } |
||
574 | } |
||
575 | return ''; |
||
576 | }; |
||
577 | |||
578 | /** |
||
579 | * checks whether the crypt tool has collected enough entropy |
||
580 | * |
||
581 | * @name CryptTool.isEntropyReady |
||
582 | * @function |
||
583 | * @return {bool} |
||
584 | */ |
||
585 | me.isEntropyReady = function() |
||
586 | { |
||
587 | return sjcl.random.isReady(); |
||
588 | }; |
||
589 | |||
590 | /** |
||
591 | * add a listener function, triggered when enough entropy is available |
||
592 | * |
||
593 | * @name CryptTool.addEntropySeedListener |
||
594 | * @function |
||
595 | * @param {function} func |
||
596 | */ |
||
597 | me.addEntropySeedListener = function(func) |
||
598 | { |
||
599 | sjcl.random.addEventListener('seeded', func); |
||
600 | }; |
||
601 | |||
602 | /** |
||
603 | * returns a random symmetric key |
||
604 | * |
||
605 | * @name CryptTool.getSymmetricKey |
||
606 | * @function |
||
607 | * @return {string} func |
||
608 | */ |
||
609 | me.getSymmetricKey = function() |
||
610 | { |
||
611 | return sjcl.codec.base64.fromBits(sjcl.random.randomWords(8, 0), 0); |
||
612 | }; |
||
613 | |||
614 | return me; |
||
615 | })(); |
||
616 | |||
617 | /** |
||
618 | * (Model) Data source (aka MVC) |
||
619 | * |
||
620 | * @name Model |
||
621 | * @class |
||
622 | */ |
||
623 | var Model = (function () { |
||
624 | var me = {}; |
||
625 | |||
626 | var $cipherData, |
||
627 | $templates; |
||
628 | |||
629 | var id = null, symmetricKey = null; |
||
630 | |||
631 | /** |
||
632 | * returns the expiration set in the HTML |
||
633 | * |
||
634 | * @name Model.getExpirationDefault |
||
635 | * @function |
||
636 | * @return string |
||
637 | * @TODO the template can be simplified as #pasteExpiration is no longer modified (only default value) |
||
638 | */ |
||
639 | me.getExpirationDefault = function() |
||
640 | { |
||
641 | return $('#pasteExpiration').val(); |
||
642 | }; |
||
643 | |||
644 | /** |
||
645 | * returns the format set in the HTML |
||
646 | * |
||
647 | * @name Model.getFormatDefault |
||
648 | * @function |
||
649 | * @return string |
||
650 | * @TODO the template can be simplified as #pasteFormatter is no longer modified (only default value) |
||
651 | */ |
||
652 | me.getFormatDefault = function() |
||
653 | { |
||
654 | return $('#pasteFormatter').val(); |
||
655 | }; |
||
656 | |||
657 | /** |
||
658 | * check if cipher data was supplied |
||
659 | * |
||
660 | * @name Model.getCipherData |
||
661 | * @function |
||
662 | * @return boolean |
||
663 | */ |
||
664 | me.hasCipherData = function() |
||
665 | { |
||
666 | return (me.getCipherData().length > 0); |
||
667 | }; |
||
668 | |||
669 | /** |
||
670 | * returns the cipher data |
||
671 | * |
||
672 | * @name Model.getCipherData |
||
673 | * @function |
||
674 | * @return string |
||
675 | */ |
||
676 | me.getCipherData = function() |
||
677 | { |
||
678 | return $cipherData.text(); |
||
679 | }; |
||
680 | |||
681 | /** |
||
682 | * get the pastes unique identifier from the URL, |
||
683 | * eg. http://example.com/path/?c05354954c49a487#dfdsdgdgdfgdf returns c05354954c49a487 |
||
684 | * |
||
685 | * @name Model.getPasteId |
||
686 | * @function |
||
687 | * @return {string} unique identifier |
||
688 | * @throws {string} |
||
689 | */ |
||
690 | me.getPasteId = function() |
||
691 | { |
||
692 | if (id === null) { |
||
693 | id = window.location.search.substring(1); |
||
694 | |||
695 | if (id === '') { |
||
696 | throw 'no paste id given'; |
||
697 | } |
||
698 | } |
||
699 | |||
700 | return id; |
||
701 | }; |
||
702 | |||
703 | /** |
||
704 | * return the deciphering key stored in anchor part of the URL |
||
705 | * |
||
706 | * @name Model.getPasteKey |
||
707 | * @function |
||
708 | * @return {string|null} key |
||
709 | * @throws {string} |
||
710 | */ |
||
711 | me.getPasteKey = function() |
||
712 | { |
||
713 | if (symmetricKey === null) { |
||
714 | symmetricKey = window.location.hash.substring(1); |
||
715 | |||
716 | if (symmetricKey === '') { |
||
717 | throw 'no encryption key given'; |
||
718 | } |
||
719 | |||
720 | // Some web 2.0 services and redirectors add data AFTER the anchor |
||
721 | // (such as &utm_source=...). We will strip any additional data. |
||
722 | var ampersandPos = symmetricKey.indexOf('&'); |
||
723 | if (ampersandPos > -1) |
||
724 | { |
||
725 | symmetricKey = symmetricKey.substring(0, ampersandPos); |
||
726 | } |
||
727 | } |
||
728 | |||
729 | return symmetricKey; |
||
730 | }; |
||
731 | |||
732 | /** |
||
733 | * returns a jQuery copy of the HTML template |
||
734 | * |
||
735 | * @name Model.getTemplate |
||
736 | * @function |
||
737 | * @param {string} name - the name of the template |
||
738 | * @return {jQuery} |
||
739 | */ |
||
740 | me.getTemplate = function(name) |
||
741 | { |
||
742 | // find template |
||
743 | var $element = $templates.find('#' + name + 'template').clone(true); |
||
744 | // change ID to avoid collisions (one ID should really be unique) |
||
745 | return $element.prop('id', name); |
||
746 | }; |
||
747 | |||
748 | /** |
||
749 | * resets state, used for unit testing |
||
750 | * |
||
751 | * @name Model.reset |
||
752 | * @function |
||
753 | */ |
||
754 | me.reset = function() |
||
755 | { |
||
756 | $cipherData = $templates = id = symmetricKey = null; |
||
757 | }; |
||
758 | |||
759 | /** |
||
760 | * init navigation manager |
||
761 | * |
||
762 | * preloads jQuery elements |
||
763 | * |
||
764 | * @name Model.init |
||
765 | * @function |
||
766 | */ |
||
767 | me.init = function() |
||
768 | { |
||
769 | $cipherData = $('#cipherdata'); |
||
770 | $templates = $('#templates'); |
||
771 | }; |
||
772 | |||
773 | return me; |
||
774 | })(); |
||
775 | |||
776 | /** |
||
777 | * Helper functions for user interface |
||
778 | * |
||
779 | * everything directly UI-related, which fits nowhere else |
||
780 | * |
||
781 | * @name UiHelper |
||
782 | * @class |
||
783 | */ |
||
784 | var UiHelper = (function () { |
||
785 | var me = {}; |
||
786 | |||
787 | /** |
||
788 | * handle history (pop) state changes |
||
789 | * |
||
790 | * currently this does only handle redirects to the home page. |
||
791 | * |
||
792 | * @name UiHelper.historyChange |
||
793 | * @private |
||
794 | * @function |
||
795 | * @param {Event} event |
||
796 | */ |
||
797 | function historyChange(event) |
||
798 | { |
||
799 | var currentLocation = Helper.baseUri(); |
||
800 | if (event.originalEvent.state === null && // no state object passed |
||
801 | event.target.location.href === currentLocation && // target location is home page |
||
802 | window.location.href === currentLocation // and we are not already on the home page |
||
803 | ) { |
||
804 | // redirect to home page |
||
805 | window.location.href = currentLocation; |
||
806 | } |
||
807 | } |
||
808 | |||
809 | /** |
||
810 | * reload the page |
||
811 | * |
||
812 | * This takes the user to the PrivateBin homepage. |
||
813 | * |
||
814 | * @name UiHelper.reloadHome |
||
815 | * @function |
||
816 | */ |
||
817 | me.reloadHome = function() |
||
818 | { |
||
819 | window.location.href = Helper.baseUri(); |
||
820 | }; |
||
821 | |||
822 | /** |
||
823 | * checks whether the element is currently visible in the viewport (so |
||
824 | * the user can actually see it) |
||
825 | * |
||
826 | * @see {@link https://stackoverflow.com/a/40658647} |
||
827 | * @name UiHelper.isVisible |
||
828 | * @function |
||
829 | * @param {jQuery} $element The link hash to move to. |
||
830 | */ |
||
831 | me.isVisible = function($element) |
||
832 | { |
||
833 | var elementTop = $element.offset().top; |
||
834 | var viewportTop = $(window).scrollTop(); |
||
835 | var viewportBottom = viewportTop + $(window).height(); |
||
836 | |||
837 | return (elementTop > viewportTop && elementTop < viewportBottom); |
||
838 | }; |
||
839 | |||
840 | /** |
||
841 | * scrolls to a specific element |
||
842 | * |
||
843 | * @see {@link https://stackoverflow.com/questions/4198041/jquery-smooth-scroll-to-an-anchor#answer-12714767} |
||
844 | * @name UiHelper.scrollTo |
||
845 | * @function |
||
846 | * @param {jQuery} $element The link hash to move to. |
||
847 | * @param {(number|string)} animationDuration passed to jQuery .animate, when set to 0 the animation is skipped |
||
848 | * @param {string} animationEffect passed to jQuery .animate |
||
849 | * @param {function} finishedCallback function to call after animation finished |
||
850 | */ |
||
851 | me.scrollTo = function($element, animationDuration, animationEffect, finishedCallback) |
||
852 | { |
||
853 | var $body = $('html, body'), |
||
854 | margin = 50, |
||
855 | callbackCalled = false; |
||
856 | |||
857 | //calculate destination place |
||
858 | var dest = 0; |
||
859 | // if it would scroll out of the screen at the bottom only scroll it as |
||
860 | // far as the screen can go |
||
861 | if ($element.offset().top > $(document).height() - $(window).height()) { |
||
862 | dest = $(document).height() - $(window).height(); |
||
863 | } else { |
||
864 | dest = $element.offset().top - margin; |
||
865 | } |
||
866 | // skip animation if duration is set to 0 |
||
867 | if (animationDuration === 0) { |
||
868 | window.scrollTo(0, dest); |
||
869 | } else { |
||
870 | // stop previous animation |
||
871 | $body.stop(); |
||
872 | // scroll to destination |
||
873 | $body.animate({ |
||
874 | scrollTop: dest |
||
875 | }, animationDuration, animationEffect); |
||
876 | } |
||
877 | |||
878 | // as we have finished we can enable scrolling again |
||
879 | $body.queue(function (next) { |
||
880 | if (!callbackCalled) { |
||
881 | // call user function if needed |
||
882 | if (typeof finishedCallback !== 'undefined') { |
||
883 | finishedCallback(); |
||
884 | } |
||
885 | |||
886 | // prevent calling this function twice |
||
887 | callbackCalled = true; |
||
888 | } |
||
889 | next(); |
||
890 | }); |
||
891 | }; |
||
892 | |||
893 | /** |
||
894 | * trigger a history (pop) state change |
||
895 | * |
||
896 | * used to test the UiHelper.historyChange private function |
||
897 | * |
||
898 | * @name UiHelper.mockHistoryChange |
||
899 | * @function |
||
900 | * @param {string} state (optional) state to mock |
||
901 | */ |
||
902 | me.mockHistoryChange = function(state) |
||
903 | { |
||
904 | if (typeof state === 'undefined') { |
||
905 | state = null; |
||
906 | } |
||
907 | historyChange($.Event('popstate', {originalEvent: new PopStateEvent('popstate', {state: state}), target: window})); |
||
908 | }; |
||
909 | |||
910 | /** |
||
911 | * initialize |
||
912 | * |
||
913 | * @name UiHelper.init |
||
914 | * @function |
||
915 | */ |
||
916 | me.init = function() |
||
917 | { |
||
918 | // update link to home page |
||
919 | $('.reloadlink').prop('href', Helper.baseUri()); |
||
920 | |||
921 | $(window).on('popstate', historyChange); |
||
922 | }; |
||
923 | |||
924 | return me; |
||
925 | })(); |
||
926 | |||
927 | /** |
||
928 | * Alert/error manager |
||
929 | * |
||
930 | * @name Alert |
||
931 | * @class |
||
932 | */ |
||
933 | var Alert = (function () { |
||
934 | var me = {}; |
||
935 | |||
936 | var $errorMessage, |
||
937 | $loadingIndicator, |
||
938 | $statusMessage, |
||
939 | $remainingTime; |
||
940 | |||
941 | var currentIcon; |
||
942 | |||
943 | var alertType = [ |
||
944 | 'loading', // not in bootstrap, but using a good value here |
||
945 | 'info', // status icon |
||
946 | 'warning', // not used yet |
||
947 | 'danger' // error icon |
||
948 | ]; |
||
949 | |||
950 | var customHandler; |
||
951 | |||
952 | /** |
||
953 | * forwards a request to the i18n module and shows the element |
||
954 | * |
||
955 | * @name Alert.handleNotification |
||
956 | * @private |
||
957 | * @function |
||
958 | * @param {int} id - id of notification |
||
959 | * @param {jQuery} $element - jQuery object |
||
960 | * @param {string|array} args |
||
961 | * @param {string|null} icon - optional, icon |
||
962 | */ |
||
963 | function handleNotification(id, $element, args, icon) |
||
964 | { |
||
965 | // basic parsing/conversion of parameters |
||
966 | if (typeof icon === 'undefined') { |
||
967 | icon = null; |
||
968 | } |
||
969 | if (typeof args === 'undefined') { |
||
970 | args = null; |
||
971 | } else if (typeof args === 'string') { |
||
972 | // convert string to array if needed |
||
973 | args = [args]; |
||
974 | } |
||
975 | |||
976 | // pass to custom handler if defined |
||
977 | if (typeof customHandler === 'function') { |
||
978 | var handlerResult = customHandler(alertType[id], $element, args, icon); |
||
979 | if (handlerResult === true) { |
||
980 | // if it returns true, skip own handler |
||
981 | return; |
||
982 | } |
||
983 | if (handlerResult instanceof jQuery) { |
||
984 | // continue processing with new element |
||
985 | $element = handlerResult; |
||
986 | icon = null; // icons not supported in this case |
||
987 | } |
||
988 | } |
||
989 | |||
990 | // handle icon |
||
991 | if (icon !== null && // icon was passed |
||
992 | icon !== currentIcon[id] // and it differs from current icon |
||
993 | ) { |
||
994 | var $glyphIcon = $element.find(':first'); |
||
995 | |||
996 | // remove (previous) icon |
||
997 | $glyphIcon.removeClass(currentIcon[id]); |
||
998 | |||
999 | // any other thing as a string (e.g. 'null') (only) removes the icon |
||
1000 | if (typeof icon === 'string') { |
||
1001 | // set new icon |
||
1002 | currentIcon[id] = 'glyphicon-' + icon; |
||
1003 | $glyphIcon.addClass(currentIcon[id]); |
||
1004 | } |
||
1005 | } |
||
1006 | |||
1007 | // show text |
||
1008 | if (args !== null) { |
||
1009 | // add jQuery object to it as first parameter |
||
1010 | args.unshift($element); |
||
1011 | // pass it to I18n |
||
1012 | I18n._.apply(this, args); |
||
1013 | } |
||
1014 | |||
1015 | // show notification |
||
1016 | $element.removeClass('hidden'); |
||
1017 | } |
||
1018 | |||
1019 | /** |
||
1020 | * display a status message |
||
1021 | * |
||
1022 | * This automatically passes the text to I18n for translation. |
||
1023 | * |
||
1024 | * @name Alert.showStatus |
||
1025 | * @function |
||
1026 | * @param {string|array} message string, use an array for %s/%d options |
||
1027 | * @param {string|null} icon optional, the icon to show, |
||
1028 | * default: leave previous icon |
||
1029 | * @param {bool} dismissable optional, whether the notification |
||
1030 | * can be dismissed (closed), default: false |
||
1031 | * @param {bool|int} autoclose optional, after how many seconds the |
||
1032 | * notification should be hidden automatically; |
||
1033 | * default: disabled (0); use true for default value |
||
1034 | */ |
||
1035 | me.showStatus = function(message, icon, dismissable, autoclose) |
||
0 ignored issues
–
show
|
|||
1036 | { |
||
1037 | console.info('status shown: ', message); |
||
1038 | // @TODO: implement dismissable |
||
1039 | // @TODO: implement autoclose |
||
1040 | |||
1041 | handleNotification(1, $statusMessage, message, icon); |
||
1042 | }; |
||
1043 | |||
1044 | /** |
||
1045 | * display an error message |
||
1046 | * |
||
1047 | * This automatically passes the text to I18n for translation. |
||
1048 | * |
||
1049 | * @name Alert.showError |
||
1050 | * @function |
||
1051 | * @param {string|array} message string, use an array for %s/%d options |
||
1052 | * @param {string|null} icon optional, the icon to show, default: |
||
1053 | * leave previous icon |
||
1054 | * @param {bool} dismissable optional, whether the notification |
||
1055 | * can be dismissed (closed), default: false |
||
1056 | * @param {bool|int} autoclose optional, after how many seconds the |
||
1057 | * notification should be hidden automatically; |
||
1058 | * default: disabled (0); use true for default value |
||
1059 | */ |
||
1060 | me.showError = function(message, icon, dismissable, autoclose) |
||
0 ignored issues
–
show
|
|||
1061 | { |
||
1062 | console.error('error message shown: ', message); |
||
1063 | // @TODO: implement dismissable (bootstrap add-on has it) |
||
1064 | // @TODO: implement autoclose |
||
1065 | |||
1066 | handleNotification(3, $errorMessage, message, icon); |
||
1067 | }; |
||
1068 | |||
1069 | /** |
||
1070 | * display remaining message |
||
1071 | * |
||
1072 | * This automatically passes the text to I18n for translation. |
||
1073 | * |
||
1074 | * @name Alert.showRemaining |
||
1075 | * @function |
||
1076 | * @param {string|array} message string, use an array for %s/%d options |
||
1077 | */ |
||
1078 | me.showRemaining = function(message) |
||
1079 | { |
||
1080 | console.info('remaining message shown: ', message); |
||
1081 | handleNotification(1, $remainingTime, message); |
||
1082 | }; |
||
1083 | |||
1084 | /** |
||
1085 | * shows a loading message, optionally with a percentage |
||
1086 | * |
||
1087 | * This automatically passes all texts to the i10s module. |
||
1088 | * |
||
1089 | * @name Alert.showLoading |
||
1090 | * @function |
||
1091 | * @param {string|array|null} message optional, use an array for %s/%d options, default: 'Loading…' |
||
1092 | * @param {int} percentage optional, default: null |
||
1093 | * @param {string|null} icon optional, the icon to show, default: leave previous icon |
||
1094 | */ |
||
1095 | me.showLoading = function(message, percentage, icon) |
||
1096 | { |
||
1097 | if (typeof message !== 'undefined' && message !== null) { |
||
1098 | console.info('status changed: ', message); |
||
1099 | } |
||
1100 | |||
1101 | // default message text |
||
1102 | if (typeof message === 'undefined') { |
||
1103 | message = 'Loading…'; |
||
1104 | } |
||
1105 | |||
1106 | // currently percentage parameter is ignored |
||
1107 | // // @TODO handle it here… |
||
1108 | |||
1109 | handleNotification(0, $loadingIndicator, message, icon); |
||
1110 | |||
1111 | // show loading status (cursor) |
||
1112 | $('body').addClass('loading'); |
||
1113 | }; |
||
1114 | |||
1115 | /** |
||
1116 | * hides the loading message |
||
1117 | * |
||
1118 | * @name Alert.hideLoading |
||
1119 | * @function |
||
1120 | */ |
||
1121 | me.hideLoading = function() |
||
1122 | { |
||
1123 | $loadingIndicator.addClass('hidden'); |
||
1124 | |||
1125 | // hide loading cursor |
||
1126 | $('body').removeClass('loading'); |
||
1127 | }; |
||
1128 | |||
1129 | /** |
||
1130 | * hides any status/error messages |
||
1131 | * |
||
1132 | * This does not include the loading message. |
||
1133 | * |
||
1134 | * @name Alert.hideMessages |
||
1135 | * @function |
||
1136 | */ |
||
1137 | me.hideMessages = function() |
||
1138 | { |
||
1139 | // also possible: $('.statusmessage').addClass('hidden'); |
||
1140 | $statusMessage.addClass('hidden'); |
||
1141 | $errorMessage.addClass('hidden'); |
||
1142 | }; |
||
1143 | |||
1144 | /** |
||
1145 | * set a custom handler, which gets all notifications. |
||
1146 | * |
||
1147 | * This handler gets the following arguments: |
||
1148 | * alertType (see array), $element, args, icon |
||
1149 | * If it returns true, the own processing will be stopped so the message |
||
1150 | * will not be displayed. Otherwise it will continue. |
||
1151 | * As an aditional feature it can return q jQuery element, which will |
||
1152 | * then be used to add the message there. Icons are not supported in |
||
1153 | * that case and will be ignored. |
||
1154 | * Pass 'null' to reset/delete the custom handler. |
||
1155 | * Note that there is no notification when a message is supposed to get |
||
1156 | * hidden. |
||
1157 | * |
||
1158 | * @name Alert.setCustomHandler |
||
1159 | * @function |
||
1160 | * @param {function|null} newHandler |
||
1161 | */ |
||
1162 | me.setCustomHandler = function(newHandler) |
||
1163 | { |
||
1164 | customHandler = newHandler; |
||
1165 | }; |
||
1166 | |||
1167 | /** |
||
1168 | * init status manager |
||
1169 | * |
||
1170 | * preloads jQuery elements |
||
1171 | * |
||
1172 | * @name Alert.init |
||
1173 | * @function |
||
1174 | */ |
||
1175 | me.init = function() |
||
1176 | { |
||
1177 | // hide "no javascript" error message |
||
1178 | $('#noscript').hide(); |
||
1179 | |||
1180 | // not a reset, but first set of the elements |
||
1181 | $errorMessage = $('#errormessage'); |
||
1182 | $loadingIndicator = $('#loadingindicator'); |
||
1183 | $statusMessage = $('#status'); |
||
1184 | $remainingTime = $('#remainingtime'); |
||
1185 | |||
1186 | currentIcon = [ |
||
1187 | 'glyphicon-time', // loading icon |
||
1188 | 'glyphicon-info-sign', // status icon |
||
1189 | '', // reserved for warning, not used yet |
||
1190 | 'glyphicon-alert' // error icon |
||
1191 | ]; |
||
1192 | }; |
||
1193 | |||
1194 | return me; |
||
1195 | })(); |
||
1196 | |||
1197 | /** |
||
1198 | * handles paste status/result |
||
1199 | * |
||
1200 | * @name PasteStatus |
||
1201 | * @class |
||
1202 | */ |
||
1203 | var PasteStatus = (function () { |
||
1204 | var me = {}; |
||
1205 | |||
1206 | var $pasteSuccess, |
||
1207 | $pasteUrl, |
||
1208 | $remainingTime, |
||
1209 | $shortenButton; |
||
1210 | |||
1211 | /** |
||
1212 | * forward to URL shortener |
||
1213 | * |
||
1214 | * @name PasteStatus.sendToShortener |
||
1215 | * @private |
||
1216 | * @function |
||
1217 | * @param {Event} event |
||
1218 | */ |
||
1219 | function sendToShortener(event) |
||
0 ignored issues
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|
|||
1220 | { |
||
1221 | window.location.href = $shortenButton.data('shortener') |
||
1222 | + encodeURIComponent($pasteUrl.attr('href')); |
||
1223 | } |
||
1224 | |||
1225 | /** |
||
1226 | * Forces opening the paste if the link does not do this automatically. |
||
1227 | * |
||
1228 | * This is necessary as browsers will not reload the page when it is |
||
1229 | * already loaded (which is fake as it is set via history.pushState()). |
||
1230 | * |
||
1231 | * @name PasteStatus.pasteLinkClick |
||
1232 | * @function |
||
1233 | * @param {Event} event |
||
1234 | */ |
||
1235 | function pasteLinkClick(event) |
||
0 ignored issues
–
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|
|||
1236 | { |
||
1237 | // check if location is (already) shown in URL bar |
||
1238 | if (window.location.href === $pasteUrl.attr('href')) { |
||
1239 | // if so we need to load link by reloading the current site |
||
1240 | window.location.reload(true); |
||
1241 | } |
||
1242 | } |
||
1243 | |||
1244 | /** |
||
1245 | * creates a notification after a successfull paste upload |
||
1246 | * |
||
1247 | * @name PasteStatus.createPasteNotification |
||
1248 | * @function |
||
1249 | * @param {string} url |
||
1250 | * @param {string} deleteUrl |
||
1251 | */ |
||
1252 | me.createPasteNotification = function(url, deleteUrl) |
||
1253 | { |
||
1254 | $('#pastelink').html( |
||
1255 | I18n._( |
||
1256 | 'Your paste is <a id="pasteurl" href="%s">%s</a> <span id="copyhint">(Hit [Ctrl]+[c] to copy)</span>', |
||
1257 | url, url |
||
1258 | ) |
||
1259 | ); |
||
1260 | // save newly created element |
||
1261 | $pasteUrl = $('#pasteurl'); |
||
1262 | // and add click event |
||
1263 | $pasteUrl.click(pasteLinkClick); |
||
1264 | |||
1265 | // shorten button |
||
1266 | $('#deletelink').html('<a href="' + deleteUrl + '">' + I18n._('Delete data') + '</a>'); |
||
1267 | |||
1268 | // show result |
||
1269 | $pasteSuccess.removeClass('hidden'); |
||
1270 | // we pre-select the link so that the user only has to [Ctrl]+[c] the link |
||
1271 | Helper.selectText($pasteUrl[0]); |
||
1272 | }; |
||
1273 | |||
1274 | /** |
||
1275 | * shows the remaining time |
||
1276 | * |
||
1277 | * @name PasteStatus.showRemainingTime |
||
1278 | * @function |
||
1279 | * @param {object} pasteMetaData |
||
1280 | */ |
||
1281 | me.showRemainingTime = function(pasteMetaData) |
||
1282 | { |
||
1283 | if (pasteMetaData.burnafterreading) { |
||
1284 | // display paste "for your eyes only" if it is deleted |
||
1285 | |||
1286 | // actually remove paste, before we claim it is deleted |
||
1287 | Controller.removePaste(Model.getPasteId(), 'burnafterreading'); |
||
1288 | |||
1289 | Alert.showRemaining("FOR YOUR EYES ONLY. Don't close this window, this message can't be displayed again."); |
||
1290 | $remainingTime.addClass('foryoureyesonly'); |
||
1291 | |||
1292 | // discourage cloning (it cannot really be prevented) |
||
1293 | TopNav.hideCloneButton(); |
||
1294 | |||
1295 | } else if (pasteMetaData.expire_date) { |
||
1296 | // display paste expiration |
||
1297 | var expiration = Helper.secondsToHuman(pasteMetaData.remaining_time), |
||
1298 | expirationLabel = [ |
||
1299 | 'This document will expire in %d ' + expiration[1] + '.', |
||
1300 | 'This document will expire in %d ' + expiration[1] + 's.' |
||
1301 | ]; |
||
1302 | |||
1303 | Alert.showRemaining([expirationLabel, expiration[0]]); |
||
1304 | $remainingTime.removeClass('foryoureyesonly'); |
||
1305 | } else { |
||
1306 | // never expires |
||
1307 | return; |
||
1308 | } |
||
1309 | |||
1310 | // in the end, display notification |
||
1311 | $remainingTime.removeClass('hidden'); |
||
1312 | }; |
||
1313 | |||
1314 | /** |
||
1315 | * hides the remaining time and successful upload notification |
||
1316 | * |
||
1317 | * @name PasteStatus.hideRemainingTime |
||
1318 | * @function |
||
1319 | */ |
||
1320 | me.hideMessages = function() |
||
1321 | { |
||
1322 | $remainingTime.addClass('hidden'); |
||
1323 | $pasteSuccess.addClass('hidden'); |
||
1324 | }; |
||
1325 | |||
1326 | /** |
||
1327 | * init status manager |
||
1328 | * |
||
1329 | * preloads jQuery elements |
||
1330 | * |
||
1331 | * @name PasteStatus.init |
||
1332 | * @function |
||
1333 | */ |
||
1334 | me.init = function() |
||
1335 | { |
||
1336 | $pasteSuccess = $('#pastesuccess'); |
||
1337 | // $pasteUrl is saved in me.createPasteNotification() after creation |
||
1338 | $remainingTime = $('#remainingtime'); |
||
1339 | $shortenButton = $('#shortenbutton'); |
||
1340 | |||
1341 | // bind elements |
||
1342 | $shortenButton.click(sendToShortener); |
||
1343 | }; |
||
1344 | |||
1345 | return me; |
||
1346 | })(); |
||
1347 | |||
1348 | /** |
||
1349 | * password prompt |
||
1350 | * |
||
1351 | * @name Prompt |
||
1352 | * @class |
||
1353 | */ |
||
1354 | var Prompt = (function () { |
||
1355 | var me = {}; |
||
1356 | |||
1357 | var $passwordDecrypt, |
||
1358 | $passwordForm, |
||
1359 | $passwordModal; |
||
1360 | |||
1361 | var password = ''; |
||
1362 | |||
1363 | /** |
||
1364 | * submit a password in the modal dialog |
||
1365 | * |
||
1366 | * @name Prompt.submitPasswordModal |
||
1367 | * @private |
||
1368 | * @function |
||
1369 | * @param {Event} event |
||
1370 | */ |
||
1371 | function submitPasswordModal(event) |
||
1372 | { |
||
1373 | event.preventDefault(); |
||
1374 | |||
1375 | // get input |
||
1376 | password = $passwordDecrypt.val(); |
||
1377 | |||
1378 | // hide modal |
||
1379 | $passwordModal.modal('hide'); |
||
1380 | |||
1381 | PasteDecrypter.run(); |
||
1382 | } |
||
1383 | |||
1384 | /** |
||
1385 | * ask the user for the password and set it |
||
1386 | * |
||
1387 | * @name Prompt.requestPassword |
||
1388 | * @function |
||
1389 | */ |
||
1390 | me.requestPassword = function() |
||
1391 | { |
||
1392 | // show new bootstrap method (if available) |
||
1393 | if ($passwordModal.length !== 0) { |
||
1394 | $passwordModal.modal({ |
||
1395 | backdrop: 'static', |
||
1396 | keyboard: false |
||
1397 | }); |
||
1398 | return; |
||
1399 | } |
||
1400 | |||
1401 | // fallback to old method for page template |
||
1402 | var newPassword = prompt(I18n._('Please enter the password for this paste:'), ''); |
||
1403 | if (newPassword === null) { |
||
1404 | throw 'password prompt canceled'; |
||
1405 | } |
||
1406 | if (password.length === 0) { |
||
1407 | // recurse… |
||
1408 | return me.requestPassword(); |
||
1409 | } |
||
1410 | |||
1411 | password = newPassword; |
||
1412 | }; |
||
1413 | |||
1414 | /** |
||
1415 | * get the cached password |
||
1416 | * |
||
1417 | * If you do not get a password with this function |
||
1418 | * (returns an empty string), use requestPassword. |
||
1419 | * |
||
1420 | * @name Prompt.getPassword |
||
1421 | * @function |
||
1422 | * @return {string} |
||
1423 | */ |
||
1424 | me.getPassword = function() |
||
1425 | { |
||
1426 | return password; |
||
1427 | }; |
||
1428 | |||
1429 | /** |
||
1430 | * init status manager |
||
1431 | * |
||
1432 | * preloads jQuery elements |
||
1433 | * |
||
1434 | * @name Prompt.init |
||
1435 | * @function |
||
1436 | */ |
||
1437 | me.init = function() |
||
1438 | { |
||
1439 | $passwordDecrypt = $('#passworddecrypt'); |
||
1440 | $passwordForm = $('#passwordform'); |
||
1441 | $passwordModal = $('#passwordmodal'); |
||
1442 | |||
1443 | // bind events |
||
1444 | |||
1445 | // focus password input when it is shown |
||
1446 | $passwordModal.on('shown.bs.Model', function () { |
||
1447 | $passwordDecrypt.focus(); |
||
1448 | }); |
||
1449 | // handle Model password submission |
||
1450 | $passwordForm.submit(submitPasswordModal); |
||
1451 | }; |
||
1452 | |||
1453 | return me; |
||
1454 | })(); |
||
1455 | |||
1456 | /** |
||
1457 | * Manage paste/message input, and preview tab |
||
1458 | * |
||
1459 | * Note that the actual preview is handled by PasteViewer. |
||
1460 | * |
||
1461 | * @name Editor |
||
1462 | * @class |
||
1463 | */ |
||
1464 | var Editor = (function () { |
||
1465 | var me = {}; |
||
1466 | |||
1467 | var $editorTabs, |
||
1468 | $messageEdit, |
||
1469 | $messagePreview, |
||
1470 | $message; |
||
1471 | |||
1472 | var isPreview = false; |
||
1473 | |||
1474 | /** |
||
1475 | * support input of tab character |
||
1476 | * |
||
1477 | * @name Editor.supportTabs |
||
1478 | * @function |
||
1479 | * @param {Event} event |
||
1480 | * @this $message (but not used, so it is jQuery-free, possibly faster) |
||
1481 | */ |
||
1482 | function supportTabs(event) |
||
1483 | { |
||
1484 | var keyCode = event.keyCode || event.which; |
||
1485 | // tab was pressed |
||
1486 | if (keyCode === 9) { |
||
1487 | // get caret position & selection |
||
1488 | var val = this.value, |
||
1489 | start = this.selectionStart, |
||
1490 | end = this.selectionEnd; |
||
1491 | // set textarea value to: text before caret + tab + text after caret |
||
1492 | this.value = val.substring(0, start) + '\t' + val.substring(end); |
||
1493 | // put caret at right position again |
||
1494 | this.selectionStart = this.selectionEnd = start + 1; |
||
1495 | // prevent the textarea to lose focus |
||
1496 | event.preventDefault(); |
||
1497 | } |
||
1498 | } |
||
1499 | |||
1500 | /** |
||
1501 | * view the Editor tab |
||
1502 | * |
||
1503 | * @name Editor.viewEditor |
||
1504 | * @function |
||
1505 | * @param {Event} event - optional |
||
1506 | */ |
||
1507 | function viewEditor(event) |
||
1508 | { |
||
1509 | // toggle buttons |
||
1510 | $messageEdit.addClass('active'); |
||
1511 | $messagePreview.removeClass('active'); |
||
1512 | |||
1513 | PasteViewer.hide(); |
||
1514 | |||
1515 | // reshow input |
||
1516 | $message.removeClass('hidden'); |
||
1517 | |||
1518 | me.focusInput(); |
||
1519 | |||
1520 | // finish |
||
1521 | isPreview = false; |
||
1522 | |||
1523 | // prevent jumping of page to top |
||
1524 | if (typeof event !== 'undefined') { |
||
1525 | event.preventDefault(); |
||
1526 | } |
||
1527 | } |
||
1528 | |||
1529 | /** |
||
1530 | * view the preview tab |
||
1531 | * |
||
1532 | * @name Editor.viewPreview |
||
1533 | * @function |
||
1534 | * @param {Event} event |
||
1535 | */ |
||
1536 | function viewPreview(event) |
||
1537 | { |
||
1538 | // toggle buttons |
||
1539 | $messageEdit.removeClass('active'); |
||
1540 | $messagePreview.addClass('active'); |
||
1541 | |||
1542 | // hide input as now preview is shown |
||
1543 | $message.addClass('hidden'); |
||
1544 | |||
1545 | // show preview |
||
1546 | PasteViewer.setText($message.val()); |
||
1547 | PasteViewer.run(); |
||
1548 | |||
1549 | // finish |
||
1550 | isPreview = true; |
||
1551 | |||
1552 | // prevent jumping of page to top |
||
1553 | if (typeof event !== 'undefined') { |
||
1554 | event.preventDefault(); |
||
1555 | } |
||
1556 | } |
||
1557 | |||
1558 | /** |
||
1559 | * get the state of the preview |
||
1560 | * |
||
1561 | * @name Editor.isPreview |
||
1562 | * @function |
||
1563 | */ |
||
1564 | me.isPreview = function() |
||
1565 | { |
||
1566 | return isPreview; |
||
1567 | }; |
||
1568 | |||
1569 | /** |
||
1570 | * reset the Editor view |
||
1571 | * |
||
1572 | * @name Editor.resetInput |
||
1573 | * @function |
||
1574 | */ |
||
1575 | me.resetInput = function() |
||
1576 | { |
||
1577 | // go back to input |
||
1578 | if (isPreview) { |
||
1579 | viewEditor(); |
||
1580 | } |
||
1581 | |||
1582 | // clear content |
||
1583 | $message.val(''); |
||
1584 | }; |
||
1585 | |||
1586 | /** |
||
1587 | * shows the Editor |
||
1588 | * |
||
1589 | * @name Editor.show |
||
1590 | * @function |
||
1591 | */ |
||
1592 | me.show = function() |
||
1593 | { |
||
1594 | $message.removeClass('hidden'); |
||
1595 | $editorTabs.removeClass('hidden'); |
||
1596 | }; |
||
1597 | |||
1598 | /** |
||
1599 | * hides the Editor |
||
1600 | * |
||
1601 | * @name Editor.reset |
||
1602 | * @function |
||
1603 | */ |
||
1604 | me.hide = function() |
||
1605 | { |
||
1606 | $message.addClass('hidden'); |
||
1607 | $editorTabs.addClass('hidden'); |
||
1608 | }; |
||
1609 | |||
1610 | /** |
||
1611 | * focuses the message input |
||
1612 | * |
||
1613 | * @name Editor.focusInput |
||
1614 | * @function |
||
1615 | */ |
||
1616 | me.focusInput = function() |
||
1617 | { |
||
1618 | $message.focus(); |
||
1619 | }; |
||
1620 | |||
1621 | /** |
||
1622 | * sets a new text |
||
1623 | * |
||
1624 | * @name Editor.setText |
||
1625 | * @function |
||
1626 | * @param {string} newText |
||
1627 | */ |
||
1628 | me.setText = function(newText) |
||
1629 | { |
||
1630 | $message.val(newText); |
||
1631 | }; |
||
1632 | |||
1633 | /** |
||
1634 | * returns the current text |
||
1635 | * |
||
1636 | * @name Editor.getText |
||
1637 | * @function |
||
1638 | * @return {string} |
||
1639 | */ |
||
1640 | me.getText = function() |
||
1641 | { |
||
1642 | return $message.val(); |
||
1643 | }; |
||
1644 | |||
1645 | /** |
||
1646 | * init status manager |
||
1647 | * |
||
1648 | * preloads jQuery elements |
||
1649 | * |
||
1650 | * @name Editor.init |
||
1651 | * @function |
||
1652 | */ |
||
1653 | me.init = function() |
||
1654 | { |
||
1655 | $editorTabs = $('#editorTabs'); |
||
1656 | $message = $('#message'); |
||
1657 | |||
1658 | // bind events |
||
1659 | $message.keydown(supportTabs); |
||
1660 | |||
1661 | // bind click events to tab switchers (a), but save parent of them |
||
1662 | // (li) |
||
1663 | $messageEdit = $('#messageedit').click(viewEditor).parent(); |
||
1664 | $messagePreview = $('#messagepreview').click(viewPreview).parent(); |
||
1665 | }; |
||
1666 | |||
1667 | return me; |
||
1668 | })(); |
||
1669 | |||
1670 | /** |
||
1671 | * (view) Parse and show paste. |
||
1672 | * |
||
1673 | * @name PasteViewer |
||
1674 | * @class |
||
1675 | */ |
||
1676 | var PasteViewer = (function () { |
||
1677 | var me = {}; |
||
1678 | |||
1679 | var $placeholder, |
||
1680 | $prettyMessage, |
||
1681 | $prettyPrint, |
||
1682 | $plainText; |
||
1683 | |||
1684 | var text, |
||
1685 | format = 'plaintext', |
||
1686 | isDisplayed = false, |
||
1687 | isChanged = true; // by default true as nothing was parsed yet |
||
1688 | |||
1689 | /** |
||
1690 | * apply the set format on paste and displays it |
||
1691 | * |
||
1692 | * @name PasteViewer.parsePaste |
||
1693 | * @private |
||
1694 | * @function |
||
1695 | */ |
||
1696 | function parsePaste() |
||
1697 | { |
||
1698 | // skip parsing if no text is given |
||
1699 | if (text === '') { |
||
1700 | return; |
||
1701 | } |
||
1702 | |||
1703 | // escape HTML entities, link URLs, sanitize |
||
1704 | var escapedLinkedText = Helper.urls2links( |
||
1705 | $('<div />').text(text).html() |
||
1706 | ), |
||
1707 | sanitizedLinkedText = DOMPurify.sanitize(escapedLinkedText); |
||
1708 | $plainText.html(sanitizedLinkedText); |
||
1709 | $prettyPrint.html(sanitizedLinkedText); |
||
1710 | |||
1711 | switch (format) { |
||
1712 | case 'markdown': |
||
1713 | var converter = new showdown.Converter({ |
||
1714 | strikethrough: true, |
||
1715 | tables: true, |
||
1716 | tablesHeaderId: true |
||
1717 | }); |
||
1718 | // let showdown convert the HTML and sanitize HTML *afterwards*! |
||
1719 | $plainText.html( |
||
1720 | DOMPurify.sanitize(converter.makeHtml(text)) |
||
1721 | ); |
||
1722 | // add table classes from bootstrap css |
||
1723 | $plainText.find('table').addClass('table-condensed table-bordered'); |
||
1724 | break; |
||
1725 | case 'syntaxhighlighting': |
||
1726 | // yes, this is really needed to initialize the environment |
||
1727 | if (typeof prettyPrint === 'function') |
||
1728 | { |
||
1729 | prettyPrint(); |
||
1730 | } |
||
1731 | |||
1732 | $prettyPrint.html( |
||
1733 | DOMPurify.sanitize( |
||
1734 | prettyPrintOne(escapedLinkedText, null, true) |
||
1735 | ) |
||
1736 | ); |
||
1737 | // fall through, as the rest is the same |
||
1738 | default: // = 'plaintext' |
||
1739 | $prettyPrint.css('white-space', 'pre-wrap'); |
||
1740 | $prettyPrint.css('word-break', 'normal'); |
||
1741 | $prettyPrint.removeClass('prettyprint'); |
||
1742 | } |
||
1743 | } |
||
1744 | |||
1745 | /** |
||
1746 | * displays the paste |
||
1747 | * |
||
1748 | * @name PasteViewer.showPaste |
||
1749 | * @private |
||
1750 | * @function |
||
1751 | */ |
||
1752 | function showPaste() |
||
1753 | { |
||
1754 | // instead of "nothing" better display a placeholder |
||
1755 | if (text === '') { |
||
1756 | $placeholder.removeClass('hidden'); |
||
1757 | return; |
||
1758 | } |
||
1759 | // otherwise hide the placeholder |
||
1760 | $placeholder.addClass('hidden'); |
||
1761 | |||
1762 | switch (format) { |
||
1763 | case 'markdown': |
||
1764 | $plainText.removeClass('hidden'); |
||
1765 | $prettyMessage.addClass('hidden'); |
||
1766 | break; |
||
1767 | default: |
||
1768 | $plainText.addClass('hidden'); |
||
1769 | $prettyMessage.removeClass('hidden'); |
||
1770 | break; |
||
1771 | } |
||
1772 | } |
||
1773 | |||
1774 | /** |
||
1775 | * sets the format in which the text is shown |
||
1776 | * |
||
1777 | * @name PasteViewer.setFormat |
||
1778 | * @function |
||
1779 | * @param {string} newFormat the new format |
||
1780 | */ |
||
1781 | me.setFormat = function(newFormat) |
||
1782 | { |
||
1783 | // skip if there is no update |
||
1784 | if (format === newFormat) { |
||
1785 | return; |
||
1786 | } |
||
1787 | |||
1788 | // needs to update display too, if we switch from or to Markdown |
||
1789 | if (format === 'markdown' || newFormat === 'markdown') { |
||
1790 | isDisplayed = false; |
||
1791 | } |
||
1792 | |||
1793 | format = newFormat; |
||
1794 | isChanged = true; |
||
1795 | }; |
||
1796 | |||
1797 | /** |
||
1798 | * returns the current format |
||
1799 | * |
||
1800 | * @name PasteViewer.getFormat |
||
1801 | * @function |
||
1802 | * @return {string} |
||
1803 | */ |
||
1804 | me.getFormat = function() |
||
1805 | { |
||
1806 | return format; |
||
1807 | }; |
||
1808 | |||
1809 | /** |
||
1810 | * returns whether the current view is pretty printed |
||
1811 | * |
||
1812 | * @name PasteViewer.isPrettyPrinted |
||
1813 | * @function |
||
1814 | * @return {bool} |
||
1815 | */ |
||
1816 | me.isPrettyPrinted = function() |
||
1817 | { |
||
1818 | return $prettyPrint.hasClass('prettyprinted'); |
||
1819 | }; |
||
1820 | |||
1821 | /** |
||
1822 | * sets the text to show |
||
1823 | * |
||
1824 | * @name PasteViewer.setText |
||
1825 | * @function |
||
1826 | * @param {string} newText the text to show |
||
1827 | */ |
||
1828 | me.setText = function(newText) |
||
1829 | { |
||
1830 | if (text !== newText) { |
||
1831 | text = newText; |
||
1832 | isChanged = true; |
||
1833 | } |
||
1834 | }; |
||
1835 | |||
1836 | /** |
||
1837 | * gets the current cached text |
||
1838 | * |
||
1839 | * @name PasteViewer.getText |
||
1840 | * @function |
||
1841 | * @return {string} |
||
1842 | */ |
||
1843 | me.getText = function() |
||
1844 | { |
||
1845 | return text; |
||
1846 | }; |
||
1847 | |||
1848 | /** |
||
1849 | * show/update the parsed text (preview) |
||
1850 | * |
||
1851 | * @name PasteViewer.run |
||
1852 | * @function |
||
1853 | */ |
||
1854 | me.run = function() |
||
1855 | { |
||
1856 | if (isChanged) { |
||
1857 | parsePaste(); |
||
1858 | isChanged = false; |
||
1859 | } |
||
1860 | |||
1861 | if (!isDisplayed) { |
||
1862 | showPaste(); |
||
1863 | isDisplayed = true; |
||
1864 | } |
||
1865 | }; |
||
1866 | |||
1867 | /** |
||
1868 | * hide parsed text (preview) |
||
1869 | * |
||
1870 | * @name PasteViewer.hide |
||
1871 | * @function |
||
1872 | */ |
||
1873 | me.hide = function() |
||
1874 | { |
||
1875 | if (!isDisplayed) { |
||
1876 | console.warn('PasteViewer was called to hide the parsed view, but it is already hidden.'); |
||
1877 | } |
||
1878 | |||
1879 | $plainText.addClass('hidden'); |
||
1880 | $prettyMessage.addClass('hidden'); |
||
1881 | $placeholder.addClass('hidden'); |
||
1882 | |||
1883 | isDisplayed = false; |
||
1884 | }; |
||
1885 | |||
1886 | /** |
||
1887 | * init status manager |
||
1888 | * |
||
1889 | * preloads jQuery elements |
||
1890 | * |
||
1891 | * @name PasteViewer.init |
||
1892 | * @function |
||
1893 | */ |
||
1894 | me.init = function() |
||
1895 | { |
||
1896 | $placeholder = $('#placeholder'); |
||
1897 | $plainText = $('#plaintext'); |
||
1898 | $prettyMessage = $('#prettymessage'); |
||
1899 | $prettyPrint = $('#prettyprint'); |
||
1900 | |||
1901 | // check requirements |
||
1902 | if (typeof prettyPrintOne !== 'function') { |
||
1903 | Alert.showError([ |
||
1904 | 'The library %s is not available. This may cause display errors.', |
||
1905 | 'pretty print' |
||
1906 | ]); |
||
1907 | } |
||
1908 | if (typeof showdown !== 'object') { |
||
1909 | Alert.showError([ |
||
1910 | 'The library %s is not available. This may cause display errors.', |
||
1911 | 'showdown' |
||
1912 | ]); |
||
1913 | } |
||
1914 | |||
1915 | // get default option from template/HTML or fall back to set value |
||
1916 | format = Model.getFormatDefault() || format; |
||
1917 | text = ''; |
||
1918 | isDisplayed = false; |
||
1919 | isChanged = true; |
||
1920 | }; |
||
1921 | |||
1922 | return me; |
||
1923 | })(); |
||
1924 | |||
1925 | /** |
||
1926 | * (view) Show attachment and preview if possible |
||
1927 | * |
||
1928 | * @name AttachmentViewer |
||
1929 | * @class |
||
1930 | */ |
||
1931 | var AttachmentViewer = (function () { |
||
1932 | var me = {}; |
||
1933 | |||
1934 | var $attachmentLink, |
||
1935 | $attachmentPreview, |
||
1936 | $attachment; |
||
1937 | |||
1938 | var attachmentHasPreview = false; |
||
1939 | |||
1940 | /** |
||
1941 | * sets the attachment but does not yet show it |
||
1942 | * |
||
1943 | * @name AttachmentViewer.setAttachment |
||
1944 | * @function |
||
1945 | * @param {string} attachmentData - base64-encoded data of file |
||
1946 | * @param {string} fileName - optional, file name |
||
1947 | */ |
||
1948 | me.setAttachment = function(attachmentData, fileName) |
||
1949 | { |
||
1950 | var imagePrefix = 'data:image/'; |
||
1951 | |||
1952 | $attachmentLink.attr('href', attachmentData); |
||
1953 | if (typeof fileName !== 'undefined') { |
||
1954 | $attachmentLink.attr('download', fileName); |
||
1955 | } |
||
1956 | |||
1957 | // if the attachment is an image, display it |
||
1958 | if (attachmentData.substring(0, imagePrefix.length) === imagePrefix) { |
||
1959 | $attachmentPreview.html( |
||
1960 | $(document.createElement('img')) |
||
1961 | .attr('src', attachmentData) |
||
1962 | .attr('class', 'img-thumbnail') |
||
1963 | ); |
||
1964 | attachmentHasPreview = true; |
||
1965 | } |
||
1966 | }; |
||
1967 | |||
1968 | /** |
||
1969 | * displays the attachment |
||
1970 | * |
||
1971 | * @name AttachmentViewer.showAttachment |
||
1972 | * @function |
||
1973 | */ |
||
1974 | me.showAttachment = function() |
||
1975 | { |
||
1976 | $attachment.removeClass('hidden'); |
||
1977 | |||
1978 | if (attachmentHasPreview) { |
||
1979 | $attachmentPreview.removeClass('hidden'); |
||
1980 | } |
||
1981 | }; |
||
1982 | |||
1983 | /** |
||
1984 | * removes the attachment |
||
1985 | * |
||
1986 | * This automatically hides the attachment containers to, to |
||
1987 | * prevent an inconsistent display. |
||
1988 | * |
||
1989 | * @name AttachmentViewer.removeAttachment |
||
1990 | * @function |
||
1991 | */ |
||
1992 | me.removeAttachment = function() |
||
1993 | { |
||
1994 | me.hideAttachment(); |
||
1995 | me.hideAttachmentPreview(); |
||
1996 | $attachmentLink.prop('href', ''); |
||
1997 | $attachmentLink.prop('download', ''); |
||
1998 | $attachmentPreview.html(''); |
||
1999 | }; |
||
2000 | |||
2001 | /** |
||
2002 | * hides the attachment |
||
2003 | * |
||
2004 | * This will not hide the preview (see AttachmentViewer.hideAttachmentPreview |
||
2005 | * for that) nor will it hide the attachment link if it was moved somewhere |
||
2006 | * else (see AttachmentViewer.moveAttachmentTo). |
||
2007 | * |
||
2008 | * @name AttachmentViewer.hideAttachment |
||
2009 | * @function |
||
2010 | */ |
||
2011 | me.hideAttachment = function() |
||
2012 | { |
||
2013 | $attachment.addClass('hidden'); |
||
2014 | }; |
||
2015 | |||
2016 | /** |
||
2017 | * hides the attachment preview |
||
2018 | * |
||
2019 | * @name AttachmentViewer.hideAttachmentPreview |
||
2020 | * @function |
||
2021 | */ |
||
2022 | me.hideAttachmentPreview = function() |
||
2023 | { |
||
2024 | $attachmentPreview.addClass('hidden'); |
||
2025 | }; |
||
2026 | |||
2027 | /** |
||
2028 | * checks if there is an attachment |
||
2029 | * |
||
2030 | * @name AttachmentViewer.hasAttachment |
||
2031 | * @function |
||
2032 | */ |
||
2033 | me.hasAttachment = function() |
||
2034 | { |
||
2035 | var link = $attachmentLink.prop('href'); |
||
2036 | return (typeof link !== 'undefined' && link !== ''); |
||
2037 | }; |
||
2038 | |||
2039 | /** |
||
2040 | * return the attachment |
||
2041 | * |
||
2042 | * @name AttachmentViewer.getAttachment |
||
2043 | * @function |
||
2044 | * @returns {array} |
||
2045 | */ |
||
2046 | me.getAttachment = function() |
||
2047 | { |
||
2048 | return [ |
||
2049 | $attachmentLink.prop('href'), |
||
2050 | $attachmentLink.prop('download') |
||
2051 | ]; |
||
2052 | }; |
||
2053 | |||
2054 | /** |
||
2055 | * moves the attachment link to another element |
||
2056 | * |
||
2057 | * It is advisable to hide the attachment afterwards (AttachmentViewer.hideAttachment) |
||
2058 | * |
||
2059 | * @name AttachmentViewer.moveAttachmentTo |
||
2060 | * @function |
||
2061 | * @param {jQuery} $element - the wrapper/container element where this should be moved to |
||
2062 | * @param {string} label - the text to show (%s will be replaced with the file name), will automatically be translated |
||
2063 | */ |
||
2064 | me.moveAttachmentTo = function($element, label) |
||
2065 | { |
||
2066 | // move elemement to new place |
||
2067 | $attachmentLink.appendTo($element); |
||
2068 | |||
2069 | // update text |
||
2070 | I18n._($attachmentLink, label, $attachmentLink.attr('download')); |
||
2071 | }; |
||
2072 | |||
2073 | /** |
||
2074 | * initiate |
||
2075 | * |
||
2076 | * preloads jQuery elements |
||
2077 | * |
||
2078 | * @name AttachmentViewer.init |
||
2079 | * @function |
||
2080 | */ |
||
2081 | me.init = function() |
||
2082 | { |
||
2083 | $attachment = $('#attachment'); |
||
2084 | $attachmentLink = $('#attachment a'); |
||
2085 | $attachmentPreview = $('#attachmentPreview'); |
||
2086 | attachmentHasPreview = false; |
||
2087 | }; |
||
2088 | |||
2089 | return me; |
||
2090 | })(); |
||
2091 | |||
2092 | /** |
||
2093 | * (view) Shows discussion thread and handles replies |
||
2094 | * |
||
2095 | * @name DiscussionViewer |
||
2096 | * @class |
||
2097 | */ |
||
2098 | var DiscussionViewer = (function () { |
||
2099 | var me = {}; |
||
2100 | |||
2101 | var $commentTail, |
||
2102 | $discussion, |
||
2103 | $reply, |
||
2104 | $replyMessage, |
||
2105 | $replyNickname, |
||
2106 | $replyStatus, |
||
2107 | $commentContainer; |
||
2108 | |||
2109 | var replyCommentId; |
||
2110 | |||
2111 | /** |
||
2112 | * initializes the templates |
||
2113 | * |
||
2114 | * @name DiscussionViewer.initTemplates |
||
2115 | * @private |
||
2116 | * @function |
||
2117 | */ |
||
2118 | function initTemplates() |
||
2119 | { |
||
2120 | $reply = Model.getTemplate('reply'); |
||
2121 | $replyMessage = $reply.find('#replymessage'); |
||
2122 | $replyNickname = $reply.find('#nickname'); |
||
2123 | $replyStatus = $reply.find('#replystatus'); |
||
2124 | |||
2125 | // cache jQuery elements |
||
2126 | $commentTail = Model.getTemplate('commenttail'); |
||
2127 | } |
||
2128 | |||
2129 | /** |
||
2130 | * open the comment entry when clicking the "Reply" button of a comment |
||
2131 | * |
||
2132 | * @name DiscussionViewer.openReply |
||
2133 | * @private |
||
2134 | * @function |
||
2135 | * @param {Event} event |
||
2136 | */ |
||
2137 | function openReply(event) |
||
2138 | { |
||
2139 | var $source = $(event.target); |
||
2140 | |||
2141 | // clear input |
||
2142 | $replyMessage.val(''); |
||
2143 | $replyNickname.val(''); |
||
2144 | |||
2145 | // get comment id from source element |
||
2146 | replyCommentId = $source.parent().prop('id').split('_')[1]; |
||
2147 | |||
2148 | // move to correct position |
||
2149 | $source.after($reply); |
||
2150 | |||
2151 | // show |
||
2152 | $reply.removeClass('hidden'); |
||
2153 | $replyMessage.focus(); |
||
2154 | |||
2155 | event.preventDefault(); |
||
2156 | } |
||
2157 | |||
2158 | /** |
||
2159 | * custom handler for displaying notifications in own status message area |
||
2160 | * |
||
2161 | * @name DiscussionViewer.handleNotification |
||
2162 | * @function |
||
2163 | * @param {string} alertType |
||
2164 | * @param {jQuery} $element |
||
2165 | * @param {string|array} args |
||
2166 | * @param {string|null} icon |
||
2167 | * @return {bool|jQuery} |
||
2168 | */ |
||
2169 | me.handleNotification = function(alertType, $element, args, icon) |
||
0 ignored issues
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|
|||
2170 | { |
||
2171 | // ignore loading messages |
||
2172 | if (alertType === 'loading') { |
||
2173 | return false; |
||
2174 | } |
||
2175 | |||
2176 | if (alertType === 'danger') { |
||
2177 | $replyStatus.removeClass('alert-info'); |
||
2178 | $replyStatus.addClass('alert-danger'); |
||
2179 | $replyStatus.find(':first').removeClass('glyphicon-alert'); |
||
2180 | $replyStatus.find(':first').addClass('glyphicon-info-sign'); |
||
2181 | } else { |
||
2182 | $replyStatus.removeClass('alert-danger'); |
||
2183 | $replyStatus.addClass('alert-info'); |
||
2184 | $replyStatus.find(':first').removeClass('glyphicon-info-sign'); |
||
2185 | $replyStatus.find(':first').addClass('glyphicon-alert'); |
||
2186 | } |
||
2187 | |||
2188 | return $replyStatus; |
||
2189 | }; |
||
2190 | |||
2191 | /** |
||
2192 | * adds another comment |
||
2193 | * |
||
2194 | * @name DiscussionViewer.addComment |
||
2195 | * @function |
||
2196 | * @param {object} comment |
||
2197 | * @param {string} commentText |
||
2198 | * @param {string} nickname |
||
2199 | */ |
||
2200 | me.addComment = function(comment, commentText, nickname) |
||
2201 | { |
||
2202 | if (commentText === '') { |
||
2203 | commentText = 'comment decryption failed'; |
||
2204 | } |
||
2205 | |||
2206 | // create new comment based on template |
||
2207 | var $commentEntry = Model.getTemplate('comment'); |
||
2208 | $commentEntry.prop('id', 'comment_' + comment.id); |
||
2209 | var $commentEntryData = $commentEntry.find('div.commentdata'); |
||
2210 | |||
2211 | // set & parse text |
||
2212 | $commentEntryData.html( |
||
2213 | DOMPurify.sanitize( |
||
2214 | Helper.urls2links(commentText) |
||
2215 | ) |
||
2216 | ); |
||
2217 | |||
2218 | // set nickname |
||
2219 | if (nickname.length > 0) { |
||
2220 | $commentEntry.find('span.nickname').text(nickname); |
||
2221 | } else { |
||
2222 | $commentEntry.find('span.nickname').html('<i></i>'); |
||
2223 | I18n._($commentEntry.find('span.nickname i'), 'Anonymous'); |
||
2224 | } |
||
2225 | |||
2226 | // set date |
||
2227 | $commentEntry.find('span.commentdate') |
||
2228 | .text(' (' + (new Date(comment.meta.postdate * 1000).toLocaleString()) + ')') |
||
2229 | .attr('title', 'CommentID: ' + comment.id); |
||
2230 | |||
2231 | // if an avatar is available, display it |
||
2232 | if (comment.meta.vizhash) { |
||
2233 | $commentEntry.find('span.nickname') |
||
2234 | .before( |
||
2235 | '<img src="' + comment.meta.vizhash + '" class="vizhash" /> ' |
||
2236 | ); |
||
2237 | $(document).on('languageLoaded', function () { |
||
2238 | $commentEntry.find('img.vizhash') |
||
2239 | .prop('title', I18n._('Avatar generated from IP address')); |
||
2240 | }); |
||
2241 | } |
||
2242 | |||
2243 | // starting point (default value/fallback) |
||
2244 | var $place = $commentContainer; |
||
2245 | |||
2246 | // if parent comment exists |
||
2247 | var $parentComment = $('#comment_' + comment.parentid); |
||
2248 | if ($parentComment.length) { |
||
2249 | // use parent as position for new comment, so it is shifted |
||
2250 | // to the right |
||
2251 | $place = $parentComment; |
||
2252 | } |
||
2253 | |||
2254 | // finally append comment |
||
2255 | $place.append($commentEntry); |
||
2256 | }; |
||
2257 | |||
2258 | /** |
||
2259 | * finishes the discussion area after last comment |
||
2260 | * |
||
2261 | * @name DiscussionViewer.finishDiscussion |
||
2262 | * @function |
||
2263 | */ |
||
2264 | me.finishDiscussion = function() |
||
2265 | { |
||
2266 | // add 'add new comment' area |
||
2267 | $commentContainer.append($commentTail); |
||
2268 | |||
2269 | // show discussions |
||
2270 | $discussion.removeClass('hidden'); |
||
2271 | }; |
||
2272 | |||
2273 | /** |
||
2274 | * removes the old discussion and prepares everything for creating a new |
||
2275 | * one. |
||
2276 | * |
||
2277 | * @name DiscussionViewer.prepareNewDiscussion |
||
2278 | * @function |
||
2279 | */ |
||
2280 | me.prepareNewDiscussion = function() |
||
2281 | { |
||
2282 | $commentContainer.html(''); |
||
2283 | $discussion.addClass('hidden'); |
||
2284 | |||
2285 | // (re-)init templates |
||
2286 | initTemplates(); |
||
2287 | }; |
||
2288 | |||
2289 | /** |
||
2290 | * returns the users message from the reply form |
||
2291 | * |
||
2292 | * @name DiscussionViewer.getReplyMessage |
||
2293 | * @function |
||
2294 | * @return {String} |
||
2295 | */ |
||
2296 | me.getReplyMessage = function() |
||
2297 | { |
||
2298 | return $replyMessage.val(); |
||
2299 | }; |
||
2300 | |||
2301 | /** |
||
2302 | * returns the users nickname (if any) from the reply form |
||
2303 | * |
||
2304 | * @name DiscussionViewer.getReplyNickname |
||
2305 | * @function |
||
2306 | * @return {String} |
||
2307 | */ |
||
2308 | me.getReplyNickname = function() |
||
2309 | { |
||
2310 | return $replyNickname.val(); |
||
2311 | }; |
||
2312 | |||
2313 | /** |
||
2314 | * returns the id of the parent comment the user is replying to |
||
2315 | * |
||
2316 | * @name DiscussionViewer.getReplyCommentId |
||
2317 | * @function |
||
2318 | * @return {int|undefined} |
||
2319 | */ |
||
2320 | me.getReplyCommentId = function() |
||
2321 | { |
||
2322 | return replyCommentId; |
||
2323 | }; |
||
2324 | |||
2325 | /** |
||
2326 | * highlights a specific comment and scrolls to it if necessary |
||
2327 | * |
||
2328 | * @name DiscussionViewer.highlightComment |
||
2329 | * @function |
||
2330 | * @param {string} commentId |
||
2331 | * @param {bool} fadeOut - whether to fade out the comment |
||
2332 | */ |
||
2333 | me.highlightComment = function(commentId, fadeOut) |
||
2334 | { |
||
2335 | var $comment = $('#comment_' + commentId); |
||
2336 | // in case comment does not exist, cancel |
||
2337 | if ($comment.length === 0) { |
||
2338 | return; |
||
2339 | } |
||
2340 | |||
2341 | var highlightComment = function () { |
||
2342 | $comment.addClass('highlight'); |
||
2343 | if (fadeOut === true) { |
||
2344 | setTimeout(function () { |
||
2345 | $comment.removeClass('highlight'); |
||
2346 | }, 300); |
||
2347 | } |
||
2348 | }; |
||
2349 | |||
2350 | if (UiHelper.isVisible($comment)) { |
||
2351 | return highlightComment(); |
||
2352 | } |
||
2353 | |||
2354 | UiHelper.scrollTo($comment, 100, 'swing', highlightComment); |
||
2355 | }; |
||
2356 | |||
2357 | /** |
||
2358 | * initiate |
||
2359 | * |
||
2360 | * preloads jQuery elements |
||
2361 | * |
||
2362 | * @name DiscussionViewer.init |
||
2363 | * @function |
||
2364 | */ |
||
2365 | me.init = function() |
||
2366 | { |
||
2367 | // bind events to templates (so they are later cloned) |
||
2368 | $('#commenttailtemplate, #commenttemplate').find('button').on('click', openReply); |
||
2369 | $('#replytemplate').find('button').on('click', PasteEncrypter.sendComment); |
||
2370 | |||
2371 | $commentContainer = $('#commentcontainer'); |
||
2372 | $discussion = $('#discussion'); |
||
2373 | }; |
||
2374 | |||
2375 | return me; |
||
2376 | })(); |
||
2377 | |||
2378 | /** |
||
2379 | * Manage top (navigation) bar |
||
2380 | * |
||
2381 | * @name TopNav |
||
2382 | * @param {object} window |
||
2383 | * @param {object} document |
||
2384 | * @class |
||
2385 | */ |
||
2386 | var TopNav = (function (window, document) { |
||
2387 | var me = {}; |
||
2388 | |||
2389 | var createButtonsDisplayed = false; |
||
2390 | var viewButtonsDisplayed = false; |
||
2391 | |||
2392 | var $attach, |
||
2393 | $burnAfterReading, |
||
2394 | $burnAfterReadingOption, |
||
2395 | $cloneButton, |
||
2396 | $customAttachment, |
||
2397 | $expiration, |
||
2398 | $fileRemoveButton, |
||
2399 | $fileWrap, |
||
2400 | $formatter, |
||
2401 | $newButton, |
||
2402 | $openDiscussion, |
||
2403 | $openDiscussionOption, |
||
2404 | $password, |
||
2405 | $passwordInput, |
||
2406 | $rawTextButton, |
||
2407 | $qrCodeLink, |
||
2408 | $sendButton; |
||
2409 | |||
2410 | var pasteExpiration = '1week'; |
||
2411 | |||
2412 | /** |
||
2413 | * set the expiration on bootstrap templates in dropdown |
||
2414 | * |
||
2415 | * @name TopNav.updateExpiration |
||
2416 | * @private |
||
2417 | * @function |
||
2418 | * @param {Event} event |
||
2419 | */ |
||
2420 | function updateExpiration(event) |
||
2421 | { |
||
2422 | // get selected option |
||
2423 | var target = $(event.target); |
||
2424 | |||
2425 | // update dropdown display and save new expiration time |
||
2426 | $('#pasteExpirationDisplay').text(target.text()); |
||
2427 | pasteExpiration = target.data('expiration'); |
||
2428 | |||
2429 | event.preventDefault(); |
||
2430 | } |
||
2431 | |||
2432 | /** |
||
2433 | * set the format on bootstrap templates in dropdown |
||
2434 | * |
||
2435 | * @name TopNav.updateFormat |
||
2436 | * @private |
||
2437 | * @function |
||
2438 | * @param {Event} event |
||
2439 | */ |
||
2440 | function updateFormat(event) |
||
2441 | { |
||
2442 | // get selected option |
||
2443 | var $target = $(event.target); |
||
2444 | |||
2445 | // update dropdown display and save new format |
||
2446 | var newFormat = $target.data('format'); |
||
2447 | $('#pasteFormatterDisplay').text($target.text()); |
||
2448 | PasteViewer.setFormat(newFormat); |
||
2449 | |||
2450 | // update preview |
||
2451 | if (Editor.isPreview()) { |
||
2452 | PasteViewer.run(); |
||
2453 | } |
||
2454 | |||
2455 | event.preventDefault(); |
||
2456 | } |
||
2457 | |||
2458 | /** |
||
2459 | * when "burn after reading" is checked, disable discussion |
||
2460 | * |
||
2461 | * @name TopNav.changeBurnAfterReading |
||
2462 | * @private |
||
2463 | * @function |
||
2464 | */ |
||
2465 | function changeBurnAfterReading() |
||
2466 | { |
||
2467 | if ($burnAfterReading.is(':checked')) { |
||
2468 | $openDiscussionOption.addClass('buttondisabled'); |
||
2469 | $openDiscussion.prop('checked', false); |
||
2470 | |||
2471 | // if button is actually disabled, force-enable it and uncheck other button |
||
2472 | $burnAfterReadingOption.removeClass('buttondisabled'); |
||
2473 | } else { |
||
2474 | $openDiscussionOption.removeClass('buttondisabled'); |
||
2475 | } |
||
2476 | } |
||
2477 | |||
2478 | /** |
||
2479 | * when discussion is checked, disable "burn after reading" |
||
2480 | * |
||
2481 | * @name TopNav.changeOpenDiscussion |
||
2482 | * @private |
||
2483 | * @function |
||
2484 | */ |
||
2485 | function changeOpenDiscussion() |
||
2486 | { |
||
2487 | if ($openDiscussion.is(':checked')) { |
||
2488 | $burnAfterReadingOption.addClass('buttondisabled'); |
||
2489 | $burnAfterReading.prop('checked', false); |
||
2490 | |||
2491 | // if button is actually disabled, force-enable it and uncheck other button |
||
2492 | $openDiscussionOption.removeClass('buttondisabled'); |
||
2493 | } else { |
||
2494 | $burnAfterReadingOption.removeClass('buttondisabled'); |
||
2495 | } |
||
2496 | } |
||
2497 | |||
2498 | /** |
||
2499 | * return raw text |
||
2500 | * |
||
2501 | * @name TopNav.rawText |
||
2502 | * @private |
||
2503 | * @function |
||
2504 | * @param {Event} event |
||
2505 | */ |
||
2506 | function rawText(event) |
||
0 ignored issues
–
show
|
|||
2507 | { |
||
2508 | TopNav.hideAllButtons(); |
||
2509 | Alert.showLoading('Showing raw text…', 0, 'time'); |
||
2510 | var paste = PasteViewer.getText(); |
||
2511 | |||
2512 | // push a new state to allow back navigation with browser back button |
||
2513 | history.pushState( |
||
2514 | {type: 'raw'}, |
||
2515 | document.title, |
||
2516 | // recreate paste URL |
||
2517 | Helper.baseUri() + '?' + Model.getPasteId() + '#' + |
||
2518 | Model.getPasteKey() |
||
2519 | ); |
||
2520 | |||
2521 | // we use text/html instead of text/plain to avoid a bug when |
||
2522 | // reloading the raw text view (it reverts to type text/html) |
||
2523 | var $head = $('head').children().not('noscript, script, link[type="text/css"]'); |
||
2524 | var newDoc = document.open('text/html', 'replace'); |
||
2525 | newDoc.write('<!DOCTYPE html><html><head>'); |
||
2526 | for (var i = 0; i < $head.length; i++) { |
||
2527 | newDoc.write($head[i].outerHTML); |
||
2528 | } |
||
2529 | newDoc.write('</head><body><pre>' + DOMPurify.sanitize(paste) + '</pre></body></html>'); |
||
2530 | newDoc.close(); |
||
2531 | } |
||
2532 | |||
2533 | /** |
||
2534 | * saves the language in a cookie and reloads the page |
||
2535 | * |
||
2536 | * @name TopNav.setLanguage |
||
2537 | * @private |
||
2538 | * @function |
||
2539 | * @param {Event} event |
||
2540 | */ |
||
2541 | function setLanguage(event) |
||
2542 | { |
||
2543 | document.cookie = 'lang=' + $(event.target).data('lang'); |
||
2544 | UiHelper.reloadHome(); |
||
2545 | } |
||
2546 | |||
2547 | /** |
||
2548 | * hides all messages and creates a new paste |
||
2549 | * |
||
2550 | * @name TopNav.clickNewPaste |
||
2551 | * @private |
||
2552 | * @function |
||
2553 | * @param {Event} event |
||
2554 | */ |
||
2555 | function clickNewPaste(event) |
||
0 ignored issues
–
show
|
|||
2556 | { |
||
2557 | Controller.hideStatusMessages(); |
||
2558 | Controller.newPaste(); |
||
2559 | } |
||
2560 | |||
2561 | /** |
||
2562 | * removes the existing attachment |
||
2563 | * |
||
2564 | * @name TopNav.removeAttachment |
||
2565 | * @private |
||
2566 | * @function |
||
2567 | * @param {Event} event |
||
2568 | */ |
||
2569 | function removeAttachment(event) |
||
2570 | { |
||
2571 | // if custom attachment is used, remove it first |
||
2572 | if (!$customAttachment.hasClass('hidden')) { |
||
2573 | AttachmentViewer.removeAttachment(); |
||
2574 | $customAttachment.addClass('hidden'); |
||
2575 | $fileWrap.removeClass('hidden'); |
||
2576 | } |
||
2577 | |||
2578 | // our up-to-date jQuery can handle it :) |
||
2579 | $fileWrap.find('input').val(''); |
||
2580 | |||
2581 | // pevent '#' from appearing in the URL |
||
2582 | event.preventDefault(); |
||
2583 | } |
||
2584 | |||
2585 | /** |
||
2586 | * Shows the QR code of the current paste (URL). |
||
2587 | * |
||
2588 | * @name TopNav.displayQrCode |
||
2589 | * @function |
||
2590 | * @param {Event} event |
||
2591 | */ |
||
2592 | function displayQrCode(event) |
||
0 ignored issues
–
show
|
|||
2593 | { |
||
2594 | var qrCanvas = kjua({ |
||
2595 | render: 'canvas', |
||
2596 | text: window.location.href |
||
2597 | }); |
||
2598 | $('#qrcode-display').html(qrCanvas); |
||
2599 | } |
||
2600 | |||
2601 | /** |
||
2602 | * Shows all elements belonging to viwing an existing pastes |
||
2603 | * |
||
2604 | * @name TopNav.showViewButtons |
||
2605 | * @function |
||
2606 | */ |
||
2607 | me.showViewButtons = function() |
||
2608 | { |
||
2609 | if (viewButtonsDisplayed) { |
||
2610 | console.warn('showViewButtons: view buttons are already displayed'); |
||
2611 | return; |
||
2612 | } |
||
2613 | |||
2614 | $newButton.removeClass('hidden'); |
||
2615 | $cloneButton.removeClass('hidden'); |
||
2616 | $rawTextButton.removeClass('hidden'); |
||
2617 | $qrCodeLink.removeClass('hidden'); |
||
2618 | |||
2619 | viewButtonsDisplayed = true; |
||
2620 | }; |
||
2621 | |||
2622 | /** |
||
2623 | * Hides all elements belonging to existing pastes |
||
2624 | * |
||
2625 | * @name TopNav.hideViewButtons |
||
2626 | * @function |
||
2627 | */ |
||
2628 | me.hideViewButtons = function() |
||
2629 | { |
||
2630 | if (!viewButtonsDisplayed) { |
||
2631 | console.warn('hideViewButtons: view buttons are already hidden'); |
||
2632 | return; |
||
2633 | } |
||
2634 | |||
2635 | $newButton.addClass('hidden'); |
||
2636 | $cloneButton.addClass('hidden'); |
||
2637 | $rawTextButton.addClass('hidden'); |
||
2638 | $qrCodeLink.addClass('hidden'); |
||
2639 | |||
2640 | viewButtonsDisplayed = false; |
||
2641 | }; |
||
2642 | |||
2643 | /** |
||
2644 | * Hides all elements belonging to existing pastes |
||
2645 | * |
||
2646 | * @name TopNav.hideAllButtons |
||
2647 | * @function |
||
2648 | */ |
||
2649 | me.hideAllButtons = function() |
||
2650 | { |
||
2651 | me.hideViewButtons(); |
||
2652 | me.hideCreateButtons(); |
||
2653 | }; |
||
2654 | |||
2655 | /** |
||
2656 | * shows all elements needed when creating a new paste |
||
2657 | * |
||
2658 | * @name TopNav.showCreateButtons |
||
2659 | * @function |
||
2660 | */ |
||
2661 | me.showCreateButtons = function() |
||
2662 | { |
||
2663 | if (createButtonsDisplayed) { |
||
2664 | console.warn('showCreateButtons: create buttons are already displayed'); |
||
2665 | return; |
||
2666 | } |
||
2667 | |||
2668 | $sendButton.removeClass('hidden'); |
||
2669 | $expiration.removeClass('hidden'); |
||
2670 | $formatter.removeClass('hidden'); |
||
2671 | $burnAfterReadingOption.removeClass('hidden'); |
||
2672 | $openDiscussionOption.removeClass('hidden'); |
||
2673 | $newButton.removeClass('hidden'); |
||
2674 | $password.removeClass('hidden'); |
||
2675 | $attach.removeClass('hidden'); |
||
2676 | |||
2677 | createButtonsDisplayed = true; |
||
2678 | }; |
||
2679 | |||
2680 | /** |
||
2681 | * shows all elements needed when creating a new paste |
||
2682 | * |
||
2683 | * @name TopNav.hideCreateButtons |
||
2684 | * @function |
||
2685 | */ |
||
2686 | me.hideCreateButtons = function() |
||
2687 | { |
||
2688 | if (!createButtonsDisplayed) { |
||
2689 | console.warn('hideCreateButtons: create buttons are already hidden'); |
||
2690 | return; |
||
2691 | } |
||
2692 | |||
2693 | $newButton.addClass('hidden'); |
||
2694 | $sendButton.addClass('hidden'); |
||
2695 | $expiration.addClass('hidden'); |
||
2696 | $formatter.addClass('hidden'); |
||
2697 | $burnAfterReadingOption.addClass('hidden'); |
||
2698 | $openDiscussionOption.addClass('hidden'); |
||
2699 | $password.addClass('hidden'); |
||
2700 | $attach.addClass('hidden'); |
||
2701 | |||
2702 | createButtonsDisplayed = false; |
||
2703 | }; |
||
2704 | |||
2705 | /** |
||
2706 | * only shows the "new paste" button |
||
2707 | * |
||
2708 | * @name TopNav.showNewPasteButton |
||
2709 | * @function |
||
2710 | */ |
||
2711 | me.showNewPasteButton = function() |
||
2712 | { |
||
2713 | $newButton.removeClass('hidden'); |
||
2714 | }; |
||
2715 | |||
2716 | /** |
||
2717 | * only hides the clone button |
||
2718 | * |
||
2719 | * @name TopNav.hideCloneButton |
||
2720 | * @function |
||
2721 | */ |
||
2722 | me.hideCloneButton = function() |
||
2723 | { |
||
2724 | $cloneButton.addClass('hidden'); |
||
2725 | }; |
||
2726 | |||
2727 | /** |
||
2728 | * only hides the raw text button |
||
2729 | * |
||
2730 | * @name TopNav.hideRawButton |
||
2731 | * @function |
||
2732 | */ |
||
2733 | me.hideRawButton = function() |
||
2734 | { |
||
2735 | $rawTextButton.addClass('hidden'); |
||
2736 | }; |
||
2737 | |||
2738 | /** |
||
2739 | * hides the file selector in attachment |
||
2740 | * |
||
2741 | * @name TopNav.hideFileSelector |
||
2742 | * @function |
||
2743 | */ |
||
2744 | me.hideFileSelector = function() |
||
2745 | { |
||
2746 | $fileWrap.addClass('hidden'); |
||
2747 | }; |
||
2748 | |||
2749 | |||
2750 | /** |
||
2751 | * shows the custom attachment |
||
2752 | * |
||
2753 | * @name TopNav.showCustomAttachment |
||
2754 | * @function |
||
2755 | */ |
||
2756 | me.showCustomAttachment = function() |
||
2757 | { |
||
2758 | $customAttachment.removeClass('hidden'); |
||
2759 | }; |
||
2760 | |||
2761 | /** |
||
2762 | * collapses the navigation bar if nedded |
||
2763 | * |
||
2764 | * @name TopNav.collapseBar |
||
2765 | * @function |
||
2766 | */ |
||
2767 | me.collapseBar = function() |
||
2768 | { |
||
2769 | var $bar = $('.navbar-toggle'); |
||
2770 | |||
2771 | // check if bar is expanded |
||
2772 | if ($bar.hasClass('collapse in')) { |
||
2773 | // if so, toggle it |
||
2774 | $bar.click(); |
||
2775 | } |
||
2776 | }; |
||
2777 | |||
2778 | /** |
||
2779 | * returns the currently set expiration time |
||
2780 | * |
||
2781 | * @name TopNav.getExpiration |
||
2782 | * @function |
||
2783 | * @return {int} |
||
2784 | */ |
||
2785 | me.getExpiration = function() |
||
2786 | { |
||
2787 | return pasteExpiration; |
||
2788 | }; |
||
2789 | |||
2790 | /** |
||
2791 | * returns the currently selected file(s) |
||
2792 | * |
||
2793 | * @name TopNav.getFileList |
||
2794 | * @function |
||
2795 | * @return {FileList|null} |
||
2796 | */ |
||
2797 | me.getFileList = function() |
||
2798 | { |
||
2799 | var $file = $('#file'); |
||
2800 | |||
2801 | // if no file given, return null |
||
2802 | if (!$file.length || !$file[0].files.length) { |
||
2803 | return null; |
||
2804 | } |
||
2805 | // @TODO is this really necessary |
||
2806 | if (!($file[0].files && $file[0].files[0])) { |
||
2807 | return null; |
||
2808 | } |
||
2809 | |||
2810 | return $file[0].files; |
||
2811 | }; |
||
2812 | |||
2813 | /** |
||
2814 | * returns the state of the burn after reading checkbox |
||
2815 | * |
||
2816 | * @name TopNav.getExpiration |
||
2817 | * @function |
||
2818 | * @return {bool} |
||
2819 | */ |
||
2820 | me.getBurnAfterReading = function() |
||
2821 | { |
||
2822 | return $burnAfterReading.is(':checked'); |
||
2823 | }; |
||
2824 | |||
2825 | /** |
||
2826 | * returns the state of the discussion checkbox |
||
2827 | * |
||
2828 | * @name TopNav.getOpenDiscussion |
||
2829 | * @function |
||
2830 | * @return {bool} |
||
2831 | */ |
||
2832 | me.getOpenDiscussion = function() |
||
2833 | { |
||
2834 | return $openDiscussion.is(':checked'); |
||
2835 | }; |
||
2836 | |||
2837 | /** |
||
2838 | * returns the entered password |
||
2839 | * |
||
2840 | * @name TopNav.getPassword |
||
2841 | * @function |
||
2842 | * @return {string} |
||
2843 | */ |
||
2844 | me.getPassword = function() |
||
2845 | { |
||
2846 | return $passwordInput.val(); |
||
2847 | }; |
||
2848 | |||
2849 | /** |
||
2850 | * returns the element where custom attachments can be placed |
||
2851 | * |
||
2852 | * Used by AttachmentViewer when an attachment is cloned here. |
||
2853 | * |
||
2854 | * @name TopNav.getCustomAttachment |
||
2855 | * @function |
||
2856 | * @return {jQuery} |
||
2857 | */ |
||
2858 | me.getCustomAttachment = function() |
||
2859 | { |
||
2860 | return $customAttachment; |
||
2861 | }; |
||
2862 | |||
2863 | /** |
||
2864 | * init navigation manager |
||
2865 | * |
||
2866 | * preloads jQuery elements |
||
2867 | * |
||
2868 | * @name TopNav.init |
||
2869 | * @function |
||
2870 | */ |
||
2871 | me.init = function() |
||
2872 | { |
||
2873 | $attach = $('#attach'); |
||
2874 | $burnAfterReading = $('#burnafterreading'); |
||
2875 | $burnAfterReadingOption = $('#burnafterreadingoption'); |
||
2876 | $cloneButton = $('#clonebutton'); |
||
2877 | $customAttachment = $('#customattachment'); |
||
2878 | $expiration = $('#expiration'); |
||
2879 | $fileRemoveButton = $('#fileremovebutton'); |
||
2880 | $fileWrap = $('#filewrap'); |
||
2881 | $formatter = $('#formatter'); |
||
2882 | $newButton = $('#newbutton'); |
||
2883 | $openDiscussion = $('#opendiscussion'); |
||
2884 | $openDiscussionOption = $('#opendiscussionoption'); |
||
2885 | $password = $('#password'); |
||
2886 | $passwordInput = $('#passwordinput'); |
||
2887 | $rawTextButton = $('#rawtextbutton'); |
||
2888 | $sendButton = $('#sendbutton'); |
||
2889 | $qrCodeLink = $('#qrcodelink'); |
||
2890 | |||
2891 | // bootstrap template drop down |
||
2892 | $('#language ul.dropdown-menu li a').click(setLanguage); |
||
2893 | // page template drop down |
||
2894 | $('#language select option').click(setLanguage); |
||
2895 | |||
2896 | // bind events |
||
2897 | $burnAfterReading.change(changeBurnAfterReading); |
||
2898 | $openDiscussionOption.change(changeOpenDiscussion); |
||
2899 | $newButton.click(clickNewPaste); |
||
2900 | $sendButton.click(PasteEncrypter.sendPaste); |
||
2901 | $cloneButton.click(Controller.clonePaste); |
||
2902 | $rawTextButton.click(rawText); |
||
2903 | $fileRemoveButton.click(removeAttachment); |
||
2904 | $qrCodeLink.click(displayQrCode); |
||
2905 | |||
2906 | // bootstrap template drop downs |
||
2907 | $('ul.dropdown-menu li a', $('#expiration').parent()).click(updateExpiration); |
||
2908 | $('ul.dropdown-menu li a', $('#formatter').parent()).click(updateFormat); |
||
2909 | |||
2910 | // initiate default state of checkboxes |
||
2911 | changeBurnAfterReading(); |
||
2912 | changeOpenDiscussion(); |
||
2913 | |||
2914 | // get default value from template or fall back to set value |
||
2915 | pasteExpiration = Model.getExpirationDefault() || pasteExpiration; |
||
2916 | }; |
||
2917 | |||
2918 | return me; |
||
2919 | })(window, document); |
||
2920 | |||
2921 | /** |
||
2922 | * Responsible for AJAX requests, transparently handles encryption… |
||
2923 | * |
||
2924 | * @name Uploader |
||
2925 | * @class |
||
2926 | */ |
||
2927 | var Uploader = (function () { |
||
2928 | var me = {}; |
||
2929 | |||
2930 | var successFunc = null, |
||
2931 | failureFunc = null, |
||
2932 | url, |
||
2933 | data, |
||
2934 | symmetricKey, |
||
2935 | password; |
||
2936 | |||
2937 | /** |
||
2938 | * public variable ('constant') for errors to prevent magic numbers |
||
2939 | * |
||
2940 | * @name Uploader.error |
||
2941 | * @readonly |
||
2942 | * @enum {Object} |
||
2943 | */ |
||
2944 | me.error = { |
||
2945 | okay: 0, |
||
2946 | custom: 1, |
||
2947 | unknown: 2, |
||
2948 | serverError: 3 |
||
2949 | }; |
||
2950 | |||
2951 | /** |
||
2952 | * ajaxHeaders to send in AJAX requests |
||
2953 | * |
||
2954 | * @name Uploader.ajaxHeaders |
||
2955 | * @private |
||
2956 | * @readonly |
||
2957 | * @enum {Object} |
||
2958 | */ |
||
2959 | var ajaxHeaders = {'X-Requested-With': 'JSONHttpRequest'}; |
||
2960 | |||
2961 | /** |
||
2962 | * called after successful upload |
||
2963 | * |
||
2964 | * @name Uploader.checkCryptParameters |
||
2965 | * @private |
||
2966 | * @function |
||
2967 | * @throws {string} |
||
2968 | */ |
||
2969 | function checkCryptParameters() |
||
2970 | { |
||
2971 | // workaround for this nasty 'bug' in ECMAScript |
||
2972 | // see https://stackoverflow.com/questions/18808226/why-is-typeof-null-object |
||
2973 | var typeOfKey = typeof symmetricKey; |
||
2974 | if (symmetricKey === null) { |
||
2975 | typeOfKey = 'null'; |
||
2976 | } |
||
2977 | |||
2978 | // in case of missing preparation, throw error |
||
2979 | switch (typeOfKey) { |
||
2980 | case 'string': |
||
2981 | // already set, all right |
||
2982 | return; |
||
2983 | case 'null': |
||
2984 | // needs to be generated auto-generate |
||
2985 | symmetricKey = CryptTool.getSymmetricKey(); |
||
2986 | break; |
||
2987 | default: |
||
2988 | console.error('current invalid symmetricKey:', symmetricKey); |
||
2989 | throw 'symmetricKey is invalid, probably the module was not prepared'; |
||
2990 | } |
||
2991 | // password is optional |
||
2992 | } |
||
2993 | |||
2994 | /** |
||
2995 | * called after successful upload |
||
2996 | * |
||
2997 | * @name Uploader.success |
||
2998 | * @private |
||
2999 | * @function |
||
3000 | * @param {int} status |
||
3001 | * @param {int} result - optional |
||
3002 | */ |
||
3003 | function success(status, result) |
||
3004 | { |
||
3005 | // add useful data to result |
||
3006 | result.encryptionKey = symmetricKey; |
||
3007 | result.requestData = data; |
||
3008 | |||
3009 | if (successFunc !== null) { |
||
3010 | successFunc(status, result); |
||
3011 | } |
||
3012 | } |
||
3013 | |||
3014 | /** |
||
3015 | * called after a upload failure |
||
3016 | * |
||
3017 | * @name Uploader.fail |
||
3018 | * @private |
||
3019 | * @function |
||
3020 | * @param {int} status - internal code |
||
3021 | * @param {int} result - original error code |
||
3022 | */ |
||
3023 | function fail(status, result) |
||
3024 | { |
||
3025 | if (failureFunc !== null) { |
||
3026 | failureFunc(status, result); |
||
3027 | } |
||
3028 | } |
||
3029 | |||
3030 | /** |
||
3031 | * actually uploads the data |
||
3032 | * |
||
3033 | * @name Uploader.run |
||
3034 | * @function |
||
3035 | */ |
||
3036 | me.run = function() |
||
3037 | { |
||
3038 | $.ajax({ |
||
3039 | type: 'POST', |
||
3040 | url: url, |
||
3041 | data: data, |
||
3042 | dataType: 'json', |
||
3043 | headers: ajaxHeaders, |
||
3044 | success: function(result) { |
||
3045 | if (result.status === 0) { |
||
3046 | success(0, result); |
||
3047 | } else if (result.status === 1) { |
||
3048 | fail(1, result); |
||
3049 | } else { |
||
3050 | fail(2, result); |
||
3051 | } |
||
3052 | } |
||
3053 | }) |
||
3054 | .fail(function(jqXHR, textStatus, errorThrown) { |
||
3055 | console.error(textStatus, errorThrown); |
||
3056 | fail(3, jqXHR); |
||
3057 | }); |
||
3058 | }; |
||
3059 | |||
3060 | /** |
||
3061 | * set success function |
||
3062 | * |
||
3063 | * @name Uploader.setUrl |
||
3064 | * @function |
||
3065 | * @param {function} newUrl |
||
3066 | */ |
||
3067 | me.setUrl = function(newUrl) |
||
3068 | { |
||
3069 | url = newUrl; |
||
3070 | }; |
||
3071 | |||
3072 | /** |
||
3073 | * sets the password to use (first value) and optionally also the |
||
3074 | * encryption key (not recommend, it is automatically generated). |
||
3075 | * |
||
3076 | * Note: Call this after prepare() as prepare() resets these values. |
||
3077 | * |
||
3078 | * @name Uploader.setCryptValues |
||
3079 | * @function |
||
3080 | * @param {string} newPassword |
||
3081 | * @param {string} newKey - optional |
||
3082 | */ |
||
3083 | me.setCryptParameters = function(newPassword, newKey) |
||
3084 | { |
||
3085 | password = newPassword; |
||
3086 | |||
3087 | if (typeof newKey !== 'undefined') { |
||
3088 | symmetricKey = newKey; |
||
3089 | } |
||
3090 | }; |
||
3091 | |||
3092 | /** |
||
3093 | * set success function |
||
3094 | * |
||
3095 | * @name Uploader.setSuccess |
||
3096 | * @function |
||
3097 | * @param {function} func |
||
3098 | */ |
||
3099 | me.setSuccess = function(func) |
||
3100 | { |
||
3101 | successFunc = func; |
||
3102 | }; |
||
3103 | |||
3104 | /** |
||
3105 | * set failure function |
||
3106 | * |
||
3107 | * @name Uploader.setFailure |
||
3108 | * @function |
||
3109 | * @param {function} func |
||
3110 | */ |
||
3111 | me.setFailure = function(func) |
||
3112 | { |
||
3113 | failureFunc = func; |
||
3114 | }; |
||
3115 | |||
3116 | /** |
||
3117 | * prepares a new upload |
||
3118 | * |
||
3119 | * Call this when doing a new upload to reset any data from potential |
||
3120 | * previous uploads. Must be called before any other method of this |
||
3121 | * module. |
||
3122 | * |
||
3123 | * @name Uploader.prepare |
||
3124 | * @function |
||
3125 | * @return {object} |
||
3126 | */ |
||
3127 | me.prepare = function() |
||
3128 | { |
||
3129 | // entropy should already be checked! |
||
3130 | |||
3131 | // reset password |
||
3132 | password = ''; |
||
3133 | |||
3134 | // reset key, so it a new one is generated when it is used |
||
3135 | symmetricKey = null; |
||
3136 | |||
3137 | // reset data |
||
3138 | successFunc = null; |
||
3139 | failureFunc = null; |
||
3140 | url = Helper.baseUri(); |
||
3141 | data = {}; |
||
3142 | }; |
||
3143 | |||
3144 | /** |
||
3145 | * encrypts and sets the data |
||
3146 | * |
||
3147 | * @name Uploader.setData |
||
3148 | * @function |
||
3149 | * @param {string} index |
||
3150 | * @param {mixed} element |
||
3151 | */ |
||
3152 | me.setData = function(index, element) |
||
3153 | { |
||
3154 | checkCryptParameters(); |
||
3155 | data[index] = CryptTool.cipher(symmetricKey, password, element); |
||
3156 | }; |
||
3157 | |||
3158 | /** |
||
3159 | * set the additional metadata to send unencrypted |
||
3160 | * |
||
3161 | * @name Uploader.setUnencryptedData |
||
3162 | * @function |
||
3163 | * @param {string} index |
||
3164 | * @param {mixed} element |
||
3165 | */ |
||
3166 | me.setUnencryptedData = function(index, element) |
||
3167 | { |
||
3168 | data[index] = element; |
||
3169 | }; |
||
3170 | |||
3171 | /** |
||
3172 | * set the additional metadata to send unencrypted passed at once |
||
3173 | * |
||
3174 | * @name Uploader.setUnencryptedData |
||
3175 | * @function |
||
3176 | * @param {object} newData |
||
3177 | */ |
||
3178 | me.setUnencryptedBulkData = function(newData) |
||
3179 | { |
||
3180 | $.extend(data, newData); |
||
3181 | }; |
||
3182 | |||
3183 | /** |
||
3184 | * Helper, which parses shows a general error message based on the result of the Uploader |
||
3185 | * |
||
3186 | * @name Uploader.parseUploadError |
||
3187 | * @function |
||
3188 | * @param {int} status |
||
3189 | * @param {object} data |
||
3190 | * @param {string} doThisThing - a human description of the action, which was tried |
||
3191 | * @return {array} |
||
3192 | */ |
||
3193 | me.parseUploadError = function(status, data, doThisThing) { |
||
3194 | var errorArray; |
||
3195 | |||
3196 | switch (status) { |
||
3197 | case me.error.custom: |
||
3198 | errorArray = ['Could not ' + doThisThing + ': %s', data.message]; |
||
3199 | break; |
||
3200 | case me.error.unknown: |
||
3201 | errorArray = ['Could not ' + doThisThing + ': %s', I18n._('unknown status')]; |
||
3202 | break; |
||
3203 | case me.error.serverError: |
||
3204 | errorArray = ['Could not ' + doThisThing + ': %s', I18n._('server error or not responding')]; |
||
3205 | break; |
||
3206 | default: |
||
3207 | errorArray = ['Could not ' + doThisThing + ': %s', I18n._('unknown error')]; |
||
3208 | break; |
||
3209 | } |
||
3210 | |||
3211 | return errorArray; |
||
3212 | }; |
||
3213 | |||
3214 | /** |
||
3215 | * init Uploader |
||
3216 | * |
||
3217 | * @name Uploader.init |
||
3218 | * @function |
||
3219 | */ |
||
3220 | me.init = function() |
||
3221 | { |
||
3222 | // nothing yet |
||
3223 | }; |
||
3224 | |||
3225 | return me; |
||
3226 | })(); |
||
3227 | |||
3228 | /** |
||
3229 | * (controller) Responsible for encrypting paste and sending it to server. |
||
3230 | * |
||
3231 | * Does upload, encryption is done transparently by Uploader. |
||
3232 | * |
||
3233 | * @name PasteEncrypter |
||
3234 | * @class |
||
3235 | */ |
||
3236 | var PasteEncrypter = (function () { |
||
3237 | var me = {}; |
||
3238 | |||
3239 | var requirementsChecked = false; |
||
3240 | |||
3241 | /** |
||
3242 | * checks whether there is a suitable amount of entrophy |
||
3243 | * |
||
3244 | * @name PasteEncrypter.checkRequirements |
||
3245 | * @private |
||
3246 | * @function |
||
3247 | * @param {function} retryCallback - the callback to execute to retry the upload |
||
3248 | * @return {bool} |
||
3249 | */ |
||
3250 | function checkRequirements(retryCallback) { |
||
3251 | // skip double requirement checks |
||
3252 | if (requirementsChecked === true) { |
||
3253 | return true; |
||
3254 | } |
||
3255 | |||
3256 | if (!CryptTool.isEntropyReady()) { |
||
3257 | // display a message and wait |
||
3258 | Alert.showStatus('Please move your mouse for more entropy…'); |
||
3259 | |||
3260 | CryptTool.addEntropySeedListener(retryCallback); |
||
3261 | return false; |
||
3262 | } |
||
3263 | |||
3264 | requirementsChecked = true; |
||
3265 | |||
3266 | return true; |
||
3267 | } |
||
3268 | |||
3269 | /** |
||
3270 | * called after successful paste upload |
||
3271 | * |
||
3272 | * @name PasteEncrypter.showCreatedPaste |
||
3273 | * @private |
||
3274 | * @function |
||
3275 | * @param {int} status |
||
3276 | * @param {object} data |
||
3277 | */ |
||
3278 | function showCreatedPaste(status, data) { |
||
3279 | Alert.hideLoading(); |
||
3280 | |||
3281 | var url = Helper.baseUri() + '?' + data.id + '#' + data.encryptionKey, |
||
3282 | deleteUrl = Helper.baseUri() + '?pasteid=' + data.id + '&deletetoken=' + data.deletetoken; |
||
3283 | |||
3284 | Alert.hideMessages(); |
||
3285 | |||
3286 | // show notification |
||
3287 | PasteStatus.createPasteNotification(url, deleteUrl); |
||
3288 | |||
3289 | // show new URL in browser bar |
||
3290 | history.pushState({type: 'newpaste'}, document.title, url); |
||
3291 | |||
3292 | TopNav.showViewButtons(); |
||
3293 | TopNav.hideRawButton(); |
||
3294 | Editor.hide(); |
||
3295 | |||
3296 | // parse and show text |
||
3297 | // (preparation already done in me.sendPaste()) |
||
3298 | PasteViewer.run(); |
||
3299 | } |
||
3300 | |||
3301 | /** |
||
3302 | * called after successful comment upload |
||
3303 | * |
||
3304 | * @name PasteEncrypter.showUploadedComment |
||
3305 | * @private |
||
3306 | * @function |
||
3307 | * @param {int} status |
||
3308 | * @param {object} data |
||
3309 | */ |
||
3310 | function showUploadedComment(status, data) { |
||
3311 | // show success message |
||
3312 | // Alert.showStatus('Comment posted.'); |
||
3313 | |||
3314 | // reload paste |
||
3315 | Controller.refreshPaste(function () { |
||
3316 | // highlight sent comment |
||
3317 | DiscussionViewer.highlightComment(data.id, true); |
||
3318 | // reset error handler |
||
3319 | Alert.setCustomHandler(null); |
||
3320 | }); |
||
3321 | } |
||
3322 | |||
3323 | /** |
||
3324 | * adds attachments to the Uploader |
||
3325 | * |
||
3326 | * @name PasteEncrypter.encryptAttachments |
||
3327 | * @private |
||
3328 | * @function |
||
3329 | * @param {File|null|undefined} file - optional, falls back to cloned attachment |
||
3330 | * @param {function} callback - excuted when action is successful |
||
3331 | */ |
||
3332 | function encryptAttachments(file, callback) { |
||
3333 | if (typeof file !== 'undefined' && file !== null) { |
||
3334 | // check file reader requirements for upload |
||
3335 | if (typeof FileReader === 'undefined') { |
||
3336 | Alert.showError('Your browser does not support uploading encrypted files. Please use a newer browser.'); |
||
3337 | // cancels process as it does not execute callback |
||
3338 | return; |
||
3339 | } |
||
3340 | |||
3341 | var reader = new FileReader(); |
||
3342 | |||
3343 | // closure to capture the file information |
||
3344 | reader.onload = function(event) { |
||
3345 | Uploader.setData('attachment', event.target.result); |
||
3346 | Uploader.setData('attachmentname', file.name); |
||
3347 | |||
3348 | // run callback |
||
3349 | return callback(); |
||
3350 | } |
||
3351 | |||
3352 | // actually read first file |
||
3353 | reader.readAsDataURL(file); |
||
3354 | } else if (AttachmentViewer.hasAttachment()) { |
||
3355 | // fall back to cloned part |
||
3356 | var attachment = AttachmentViewer.getAttachment(); |
||
3357 | |||
3358 | Uploader.setData('attachment', attachment[0]); |
||
3359 | Uploader.setData('attachmentname', attachment[1]); |
||
3360 | return callback(); |
||
3361 | } else { |
||
3362 | // if there are no attachments, this is of course still successful |
||
3363 | return callback(); |
||
3364 | } |
||
3365 | } |
||
3366 | |||
3367 | /** |
||
3368 | * send a reply in a discussion |
||
3369 | * |
||
3370 | * @name PasteEncrypter.sendComment |
||
3371 | * @function |
||
3372 | */ |
||
3373 | me.sendComment = function() |
||
3374 | { |
||
3375 | Alert.hideMessages(); |
||
3376 | Alert.setCustomHandler(DiscussionViewer.handleNotification); |
||
3377 | |||
3378 | // UI loading state |
||
3379 | TopNav.hideAllButtons(); |
||
3380 | Alert.showLoading('Sending comment…', 0, 'cloud-upload'); |
||
3381 | |||
3382 | // get data |
||
3383 | var plainText = DiscussionViewer.getReplyMessage(), |
||
3384 | nickname = DiscussionViewer.getReplyNickname(), |
||
3385 | parentid = DiscussionViewer.getReplyCommentId(); |
||
3386 | |||
3387 | // do not send if there is no data |
||
3388 | if (plainText.length === 0) { |
||
3389 | // revert loading status… |
||
3390 | Alert.hideLoading(); |
||
3391 | Alert.setCustomHandler(null); |
||
3392 | TopNav.showViewButtons(); |
||
3393 | return; |
||
3394 | } |
||
3395 | |||
3396 | // check entropy |
||
3397 | if (!checkRequirements(function () { |
||
3398 | me.sendComment(); |
||
3399 | })) { |
||
3400 | return; // to prevent multiple executions |
||
3401 | } |
||
3402 | Alert.showLoading(null, 10); |
||
3403 | |||
3404 | // prepare Uploader |
||
3405 | Uploader.prepare(); |
||
3406 | Uploader.setCryptParameters(Prompt.getPassword(), Model.getPasteKey()); |
||
3407 | |||
3408 | // set success/fail functions |
||
3409 | Uploader.setSuccess(showUploadedComment); |
||
3410 | Uploader.setFailure(function (status, data) { |
||
3411 | // revert loading status… |
||
3412 | Alert.hideLoading(); |
||
3413 | TopNav.showViewButtons(); |
||
3414 | |||
3415 | // show error message |
||
3416 | Alert.showError(Uploader.parseUploadError(status, data, 'post comment')); |
||
3417 | |||
3418 | // reset error handler |
||
3419 | Alert.setCustomHandler(null); |
||
3420 | }); |
||
3421 | |||
3422 | // fill it with unencrypted params |
||
3423 | Uploader.setUnencryptedData('pasteid', Model.getPasteId()); |
||
3424 | if (typeof parentid === 'undefined') { |
||
3425 | // if parent id is not set, this is the top-most comment, so use |
||
3426 | // paste id as parent @TODO is this really good? |
||
3427 | Uploader.setUnencryptedData('parentid', Model.getPasteId()); |
||
3428 | } else { |
||
3429 | Uploader.setUnencryptedData('parentid', parentid); |
||
3430 | } |
||
3431 | |||
3432 | // encrypt data |
||
3433 | Uploader.setData('data', plainText); |
||
3434 | |||
3435 | if (nickname.length > 0) { |
||
3436 | Uploader.setData('nickname', nickname); |
||
3437 | } |
||
3438 | |||
3439 | Uploader.run(); |
||
3440 | }; |
||
3441 | |||
3442 | /** |
||
3443 | * sends a new paste to server |
||
3444 | * |
||
3445 | * @name PasteEncrypter.sendPaste |
||
3446 | * @function |
||
3447 | */ |
||
3448 | me.sendPaste = function() |
||
3449 | { |
||
3450 | // hide previous (error) messages |
||
3451 | Controller.hideStatusMessages(); |
||
3452 | |||
3453 | // UI loading state |
||
3454 | TopNav.hideAllButtons(); |
||
3455 | Alert.showLoading('Sending paste…', 0, 'cloud-upload'); |
||
3456 | TopNav.collapseBar(); |
||
3457 | |||
3458 | // get data |
||
3459 | var plainText = Editor.getText(), |
||
3460 | format = PasteViewer.getFormat(), |
||
3461 | files = TopNav.getFileList(); |
||
3462 | |||
3463 | // do not send if there is no data |
||
3464 | if (plainText.length === 0 && files === null) { |
||
3465 | // revert loading status… |
||
3466 | Alert.hideLoading(); |
||
3467 | TopNav.showCreateButtons(); |
||
3468 | return; |
||
3469 | } |
||
3470 | |||
3471 | Alert.showLoading(null, 10); |
||
3472 | |||
3473 | // check entropy |
||
3474 | if (!checkRequirements(function () { |
||
3475 | me.sendPaste(); |
||
3476 | })) { |
||
3477 | return; // to prevent multiple executions |
||
3478 | } |
||
3479 | |||
3480 | // prepare Uploader |
||
3481 | Uploader.prepare(); |
||
3482 | Uploader.setCryptParameters(TopNav.getPassword()); |
||
3483 | |||
3484 | // set success/fail functions |
||
3485 | Uploader.setSuccess(showCreatedPaste); |
||
3486 | Uploader.setFailure(function (status, data) { |
||
3487 | // revert loading status… |
||
3488 | Alert.hideLoading(); |
||
3489 | TopNav.showCreateButtons(); |
||
3490 | |||
3491 | // show error message |
||
3492 | Alert.showError(Uploader.parseUploadError(status, data, 'create paste')); |
||
3493 | }); |
||
3494 | |||
3495 | // fill it with unencrypted submitted options |
||
3496 | Uploader.setUnencryptedBulkData({ |
||
3497 | expire: TopNav.getExpiration(), |
||
3498 | formatter: format, |
||
3499 | burnafterreading: TopNav.getBurnAfterReading() ? 1 : 0, |
||
3500 | opendiscussion: TopNav.getOpenDiscussion() ? 1 : 0 |
||
3501 | }); |
||
3502 | |||
3503 | // prepare PasteViewer for later preview |
||
3504 | PasteViewer.setText(plainText); |
||
3505 | PasteViewer.setFormat(format); |
||
3506 | |||
3507 | // encrypt cipher data |
||
3508 | Uploader.setData('data', plainText); |
||
3509 | |||
3510 | // encrypt attachments |
||
3511 | encryptAttachments( |
||
3512 | files === null ? null : files[0], |
||
3513 | function () { |
||
3514 | // send data |
||
3515 | Uploader.run(); |
||
3516 | } |
||
3517 | ); |
||
3518 | }; |
||
3519 | |||
3520 | /** |
||
3521 | * initialize |
||
3522 | * |
||
3523 | * @name PasteEncrypter.init |
||
3524 | * @function |
||
3525 | */ |
||
3526 | me.init = function() |
||
3527 | { |
||
3528 | // nothing yet |
||
3529 | }; |
||
3530 | |||
3531 | return me; |
||
3532 | })(); |
||
3533 | |||
3534 | /** |
||
3535 | * (controller) Responsible for decrypting cipherdata and passing data to view. |
||
3536 | * |
||
3537 | * Only decryption, no download. |
||
3538 | * |
||
3539 | * @name PasteDecrypter |
||
3540 | * @class |
||
3541 | */ |
||
3542 | var PasteDecrypter = (function () { |
||
3543 | var me = {}; |
||
3544 | |||
3545 | /** |
||
3546 | * decrypt data or prompts for password in cvase of failure |
||
3547 | * |
||
3548 | * @name PasteDecrypter.decryptOrPromptPassword |
||
3549 | * @private |
||
3550 | * @function |
||
3551 | * @param {string} key |
||
3552 | * @param {string} password - optional, may be an empty string |
||
3553 | * @param {string} cipherdata |
||
3554 | * @throws {string} |
||
3555 | * @return {false|string} false, when unsuccessful or string (decrypted data) |
||
3556 | */ |
||
3557 | function decryptOrPromptPassword(key, password, cipherdata) |
||
3558 | { |
||
3559 | // try decryption without password |
||
3560 | var plaindata = CryptTool.decipher(key, password, cipherdata); |
||
3561 | |||
3562 | // if it fails, request password |
||
3563 | if (plaindata.length === 0 && password.length === 0) { |
||
3564 | // try to get cached password first |
||
3565 | password = Prompt.getPassword(); |
||
3566 | |||
3567 | // if password is there, re-try |
||
3568 | if (password.length === 0) { |
||
3569 | password = Prompt.requestPassword(); |
||
3570 | } |
||
3571 | // recursive |
||
3572 | // note: an infinite loop is prevented as the previous if |
||
3573 | // clause checks whether a password is already set and ignores |
||
3574 | // errors when a password has been passed |
||
3575 | return decryptOrPromptPassword.apply(key, password, cipherdata); |
||
3576 | } |
||
3577 | |||
3578 | // if all tries failed, we can only return an error |
||
3579 | if (plaindata.length === 0) { |
||
3580 | throw 'failed to decipher data'; |
||
3581 | } |
||
3582 | |||
3583 | return plaindata; |
||
3584 | } |
||
3585 | |||
3586 | /** |
||
3587 | * decrypt the actual paste text |
||
3588 | * |
||
3589 | * @name PasteDecrypter.decryptOrPromptPassword |
||
3590 | * @private |
||
3591 | * @function |
||
3592 | * @param {object} paste - paste data in object form |
||
3593 | * @param {string} key |
||
3594 | * @param {string} password |
||
3595 | * @param {bool} ignoreError - ignore decryption errors iof set to true |
||
3596 | * @return {bool} whether action was successful |
||
3597 | * @throws {string} |
||
3598 | */ |
||
3599 | function decryptPaste(paste, key, password, ignoreError) |
||
3600 | { |
||
3601 | var plaintext; |
||
3602 | if (ignoreError === true) { |
||
3603 | plaintext = CryptTool.decipher(key, password, paste.data); |
||
3604 | } else { |
||
3605 | try { |
||
3606 | plaintext = decryptOrPromptPassword(key, password, paste.data); |
||
3607 | } catch (err) { |
||
3608 | throw 'failed to decipher paste text: ' + err; |
||
3609 | } |
||
3610 | if (plaintext === false) { |
||
3611 | return false; |
||
3612 | } |
||
3613 | } |
||
3614 | |||
3615 | // on success show paste |
||
3616 | PasteViewer.setFormat(paste.meta.formatter); |
||
3617 | PasteViewer.setText(plaintext); |
||
3618 | // trigger to show the text (attachment loaded afterwards) |
||
3619 | PasteViewer.run(); |
||
3620 | |||
3621 | return true; |
||
3622 | } |
||
3623 | |||
3624 | /** |
||
3625 | * decrypts any attachment |
||
3626 | * |
||
3627 | * @name PasteDecrypter.decryptAttachment |
||
3628 | * @private |
||
3629 | * @function |
||
3630 | * @param {object} paste - paste data in object form |
||
3631 | * @param {string} key |
||
3632 | * @param {string} password |
||
3633 | * @return {bool} whether action was successful |
||
3634 | * @throws {string} |
||
3635 | */ |
||
3636 | function decryptAttachment(paste, key, password) |
||
3637 | { |
||
3638 | var attachment, attachmentName; |
||
3639 | |||
3640 | // decrypt attachment |
||
3641 | try { |
||
3642 | attachment = decryptOrPromptPassword(key, password, paste.attachment); |
||
3643 | } catch (err) { |
||
3644 | throw 'failed to decipher attachment: ' + err; |
||
3645 | } |
||
3646 | if (attachment === false) { |
||
3647 | return false; |
||
3648 | } |
||
3649 | |||
3650 | // decrypt attachment name |
||
3651 | if (paste.attachmentname) { |
||
3652 | try { |
||
3653 | attachmentName = decryptOrPromptPassword(key, password, paste.attachmentname); |
||
3654 | } catch (err) { |
||
3655 | throw 'failed to decipher attachment name: ' + err; |
||
3656 | } |
||
3657 | if (attachmentName === false) { |
||
3658 | return false; |
||
3659 | } |
||
3660 | } |
||
3661 | |||
3662 | AttachmentViewer.setAttachment(attachment, attachmentName); |
||
3663 | AttachmentViewer.showAttachment(); |
||
3664 | |||
3665 | return true; |
||
3666 | } |
||
3667 | |||
3668 | /** |
||
3669 | * decrypts all comments and shows them |
||
3670 | * |
||
3671 | * @name PasteDecrypter.decryptComments |
||
3672 | * @private |
||
3673 | * @function |
||
3674 | * @param {object} paste - paste data in object form |
||
3675 | * @param {string} key |
||
3676 | * @param {string} password |
||
3677 | * @return {bool} whether action was successful |
||
3678 | */ |
||
3679 | function decryptComments(paste, key, password) |
||
3680 | { |
||
3681 | // remove potentially previous discussion |
||
3682 | DiscussionViewer.prepareNewDiscussion(); |
||
3683 | |||
3684 | // iterate over comments |
||
3685 | for (var i = 0; i < paste.comments.length; ++i) { |
||
3686 | var comment = paste.comments[i]; |
||
3687 | |||
3688 | DiscussionViewer.addComment( |
||
3689 | comment, |
||
3690 | CryptTool.decipher(key, password, comment.data), |
||
3691 | CryptTool.decipher(key, password, comment.meta.nickname) |
||
3692 | ); |
||
3693 | } |
||
3694 | |||
3695 | DiscussionViewer.finishDiscussion(); |
||
3696 | return true; |
||
3697 | } |
||
3698 | |||
3699 | /** |
||
3700 | * show decrypted text in the display area, including discussion (if open) |
||
3701 | * |
||
3702 | * @name PasteDecrypter.run |
||
3703 | * @function |
||
3704 | * @param {Object} [paste] - (optional) object including comments to display (items = array with keys ('data','meta')) |
||
3705 | */ |
||
3706 | me.run = function(paste) |
||
3707 | { |
||
3708 | Alert.hideMessages(); |
||
3709 | Alert.showLoading('Decrypting paste…', 0, 'cloud-download'); // @TODO icon maybe rotation-lock, but needs full Glyphicons |
||
3710 | |||
3711 | if (typeof paste === 'undefined') { |
||
3712 | paste = $.parseJSON(Model.getCipherData()); |
||
3713 | } |
||
3714 | |||
3715 | var key = Model.getPasteKey(), |
||
3716 | password = Prompt.getPassword(); |
||
3717 | |||
3718 | if (PasteViewer.isPrettyPrinted()) { |
||
3719 | console.error('Too pretty! (don\'t know why this check)'); //@TODO |
||
3720 | return; |
||
3721 | } |
||
3722 | |||
3723 | // try to decrypt the paste |
||
3724 | try { |
||
3725 | // decrypt attachments |
||
3726 | if (paste.attachment) { |
||
3727 | // try to decrypt paste and if it fails (because the password is |
||
3728 | // missing) return to let JS continue and wait for user |
||
3729 | if (!decryptAttachment(paste, key, password)) { |
||
3730 | return; |
||
3731 | } |
||
3732 | // ignore empty paste, as this is allowed when pasting attachments |
||
3733 | decryptPaste(paste, key, password, true); |
||
3734 | } else { |
||
3735 | decryptPaste(paste, key, password); |
||
3736 | } |
||
3737 | |||
3738 | |||
3739 | // shows the remaining time (until) deletion |
||
3740 | PasteStatus.showRemainingTime(paste.meta); |
||
3741 | |||
3742 | // if the discussion is opened on this paste, display it |
||
3743 | if (paste.meta.opendiscussion) { |
||
3744 | decryptComments(paste, key, password); |
||
3745 | } |
||
3746 | |||
3747 | Alert.hideLoading(); |
||
3748 | TopNav.showViewButtons(); |
||
3749 | } catch(err) { |
||
3750 | Alert.hideLoading(); |
||
3751 | |||
3752 | // log and show error |
||
3753 | console.error(err); |
||
3754 | Alert.showError('Could not decrypt data (Wrong key?)'); |
||
3755 | } |
||
3756 | }; |
||
3757 | |||
3758 | /** |
||
3759 | * initialize |
||
3760 | * |
||
3761 | * @name PasteDecrypter.init |
||
3762 | * @function |
||
3763 | */ |
||
3764 | me.init = function() |
||
3765 | { |
||
3766 | // nothing yet |
||
3767 | }; |
||
3768 | |||
3769 | return me; |
||
3770 | })(); |
||
3771 | |||
3772 | /** |
||
3773 | * (controller) main PrivateBin logic |
||
3774 | * |
||
3775 | * @name Controller |
||
3776 | * @param {object} window |
||
3777 | * @param {object} document |
||
3778 | * @class |
||
3779 | */ |
||
3780 | var Controller = (function (window, document) { |
||
3781 | var me = {}; |
||
3782 | |||
3783 | /** |
||
3784 | * hides all status messages no matter which module showed them |
||
3785 | * |
||
3786 | * @name Controller.hideStatusMessages |
||
3787 | * @function |
||
3788 | */ |
||
3789 | me.hideStatusMessages = function() |
||
3790 | { |
||
3791 | PasteStatus.hideMessages(); |
||
3792 | Alert.hideMessages(); |
||
3793 | }; |
||
3794 | |||
3795 | /** |
||
3796 | * creates a new paste |
||
3797 | * |
||
3798 | * @name Controller.newPaste |
||
3799 | * @function |
||
3800 | */ |
||
3801 | me.newPaste = function() |
||
3802 | { |
||
3803 | // Important: This *must not* run Alert.hideMessages() as previous |
||
3804 | // errors from viewing a paste should be shown. |
||
3805 | TopNav.hideAllButtons(); |
||
3806 | Alert.showLoading('Preparing new paste…', 0, 'time'); |
||
3807 | |||
3808 | PasteStatus.hideMessages(); |
||
3809 | PasteViewer.hide(); |
||
3810 | Editor.resetInput(); |
||
3811 | Editor.show(); |
||
3812 | Editor.focusInput(); |
||
3813 | |||
3814 | TopNav.showCreateButtons(); |
||
3815 | Alert.hideLoading(); |
||
3816 | }; |
||
3817 | |||
3818 | /** |
||
3819 | * shows the loaded paste |
||
3820 | * |
||
3821 | * @name Controller.showPaste |
||
3822 | * @function |
||
3823 | */ |
||
3824 | me.showPaste = function() |
||
3825 | { |
||
3826 | try { |
||
3827 | Model.getPasteId(); |
||
3828 | Model.getPasteKey(); |
||
3829 | } catch (err) { |
||
3830 | console.error(err); |
||
3831 | |||
3832 | // missing decryption key (or paste ID) in URL? |
||
3833 | if (window.location.hash.length === 0) { |
||
3834 | Alert.showError('Cannot decrypt paste: Decryption key missing in URL (Did you use a redirector or an URL shortener which strips part of the URL?)'); |
||
3835 | // @TODO adjust error message as it is less specific now, probably include thrown exception for a detailed error |
||
3836 | return; |
||
3837 | } |
||
3838 | } |
||
3839 | |||
3840 | // show proper elements on screen |
||
3841 | PasteDecrypter.run(); |
||
3842 | }; |
||
3843 | |||
3844 | /** |
||
3845 | * refreshes the loaded paste to show potential new data |
||
3846 | * |
||
3847 | * @name Controller.refreshPaste |
||
3848 | * @function |
||
3849 | * @param {function} callback |
||
3850 | */ |
||
3851 | me.refreshPaste = function(callback) |
||
3852 | { |
||
3853 | // save window position to restore it later |
||
3854 | var orgPosition = $(window).scrollTop(); |
||
3855 | |||
3856 | Uploader.prepare(); |
||
3857 | Uploader.setUrl(Helper.baseUri() + '?' + Model.getPasteId()); |
||
3858 | |||
3859 | Uploader.setFailure(function (status, data) { |
||
3860 | // revert loading status… |
||
3861 | Alert.hideLoading(); |
||
3862 | TopNav.showViewButtons(); |
||
3863 | |||
3864 | // show error message |
||
3865 | Alert.showError(Uploader.parseUploadError(status, data, 'refresh display')); |
||
3866 | }); |
||
3867 | Uploader.setSuccess(function (status, data) { |
||
3868 | PasteDecrypter.run(data); |
||
3869 | |||
3870 | // restore position |
||
3871 | window.scrollTo(0, orgPosition); |
||
3872 | |||
3873 | callback(); |
||
3874 | }); |
||
3875 | Uploader.run(); |
||
3876 | }; |
||
3877 | |||
3878 | /** |
||
3879 | * clone the current paste |
||
3880 | * |
||
3881 | * @name Controller.clonePaste |
||
3882 | * @function |
||
3883 | * @param {Event} event |
||
3884 | */ |
||
3885 | me.clonePaste = function(event) |
||
0 ignored issues
–
show
|
|||
3886 | { |
||
3887 | TopNav.collapseBar(); |
||
3888 | TopNav.hideAllButtons(); |
||
3889 | Alert.showLoading('Cloning paste…', 0, 'transfer'); |
||
3890 | |||
3891 | // hide messages from previous paste |
||
3892 | me.hideStatusMessages(); |
||
3893 | |||
3894 | // erase the id and the key in url |
||
3895 | history.pushState({type: 'clone'}, document.title, Helper.baseUri()); |
||
3896 | |||
3897 | if (AttachmentViewer.hasAttachment()) { |
||
3898 | AttachmentViewer.moveAttachmentTo( |
||
3899 | TopNav.getCustomAttachment(), |
||
3900 | 'Cloned: \'%s\'' |
||
3901 | ); |
||
3902 | TopNav.hideFileSelector(); |
||
3903 | AttachmentViewer.hideAttachment(); |
||
3904 | // NOTE: it also looks nice without removing the attachment |
||
3905 | // but for a consistent display we remove it… |
||
3906 | AttachmentViewer.hideAttachmentPreview(); |
||
3907 | TopNav.showCustomAttachment(); |
||
3908 | |||
3909 | // show another status message to make the user aware that the |
||
3910 | // file was cloned too! |
||
3911 | Alert.showStatus( |
||
3912 | [ |
||
3913 | 'The cloned file \'%s\' was attached to this paste.', |
||
3914 | AttachmentViewer.getAttachment()[1] |
||
3915 | ], 'copy', true, true); |
||
3916 | } |
||
3917 | |||
3918 | Editor.setText(PasteViewer.getText()); |
||
3919 | PasteViewer.hide(); |
||
3920 | Editor.show(); |
||
3921 | |||
3922 | Alert.hideLoading(); |
||
3923 | TopNav.showCreateButtons(); |
||
3924 | }; |
||
3925 | |||
3926 | /** |
||
3927 | * removes a saved paste |
||
3928 | * |
||
3929 | * @name Controller.removePaste |
||
3930 | * @function |
||
3931 | * @param {string} pasteId |
||
3932 | * @param {string} deleteToken |
||
3933 | */ |
||
3934 | me.removePaste = function(pasteId, deleteToken) { |
||
3935 | // unfortunately many web servers don't support DELETE (and PUT) out of the box |
||
3936 | // so we use a POST request |
||
3937 | Uploader.prepare(); |
||
3938 | Uploader.setUrl(Helper.baseUri() + '?' + pasteId); |
||
3939 | Uploader.setUnencryptedData('deletetoken', deleteToken); |
||
3940 | |||
3941 | Uploader.setFailure(function () { |
||
3942 | Alert.showError(I18n._('Could not delete the paste, it was not stored in burn after reading mode.')); |
||
3943 | }) |
||
3944 | Uploader.run(); |
||
3945 | }; |
||
3946 | |||
3947 | /** |
||
3948 | * application start |
||
3949 | * |
||
3950 | * @name Controller.init |
||
3951 | * @function |
||
3952 | */ |
||
3953 | me.init = function() |
||
3954 | { |
||
3955 | // first load translations |
||
3956 | I18n.loadTranslations(); |
||
3957 | |||
3958 | DOMPurify.setConfig({SAFE_FOR_JQUERY: true}); |
||
3959 | |||
3960 | // initialize other modules/"classes" |
||
3961 | Alert.init(); |
||
3962 | Model.init(); |
||
3963 | AttachmentViewer.init(); |
||
3964 | DiscussionViewer.init(); |
||
3965 | Editor.init(); |
||
3966 | PasteDecrypter.init(); |
||
3967 | PasteEncrypter.init(); |
||
3968 | PasteStatus.init(); |
||
3969 | PasteViewer.init(); |
||
3970 | Prompt.init(); |
||
3971 | TopNav.init(); |
||
3972 | UiHelper.init(); |
||
3973 | Uploader.init(); |
||
3974 | |||
3975 | // display an existing paste |
||
3976 | if (Model.hasCipherData()) { |
||
3977 | return me.showPaste(); |
||
3978 | } |
||
3979 | |||
3980 | // otherwise create a new paste |
||
3981 | me.newPaste(); |
||
3982 | }; |
||
3983 | |||
3984 | return me; |
||
3985 | })(window, document); |
||
3986 | |||
3987 | return { |
||
3988 | Helper: Helper, |
||
3989 | I18n: I18n, |
||
3990 | CryptTool: CryptTool, |
||
3991 | Model: Model, |
||
3992 | UiHelper: UiHelper, |
||
3993 | Alert: Alert, |
||
3994 | PasteStatus: PasteStatus, |
||
3995 | Prompt: Prompt, |
||
3996 | Editor: Editor, |
||
3997 | PasteViewer: PasteViewer, |
||
3998 | AttachmentViewer: AttachmentViewer, |
||
3999 | DiscussionViewer: DiscussionViewer, |
||
4000 | TopNav: TopNav, |
||
4001 | Uploader: Uploader, |
||
4002 | PasteEncrypter: PasteEncrypter, |
||
4003 | PasteDecrypter: PasteDecrypter, |
||
4004 | Controller: Controller |
||
4005 | }; |
||
4006 | })(jQuery, sjcl, Base64, RawDeflate); |
||
4007 |
This check looks for parameters in functions that are not used in the function body and are not followed by other parameters which are used inside the function.