1 | var extend = require('deep-extend'); |
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2 | var curl = require('curl'); // 0.1.4 |
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3 | var queryString = require('query-string'); // 4.3.4 |
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4 | var fm = require('front-matter'); |
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5 | var fs = require('fs-extra'); |
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6 | var glob = require('glob'); |
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7 | var path = require('path'); |
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8 | var through = require('through2'); |
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9 | var slash = require('slash'); |
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10 | var jsonfile = require('jsonfile'); |
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11 | |||
12 | /** |
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13 | * Patternlibrary 'gulp-connect'/'gulp-browser-sync' middleware hook |
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14 | * |
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15 | * @package Patternlibrary |
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16 | * @namespace Patternlibrary |
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17 | * @author Björn Bartels <[email protected]> |
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18 | */ |
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19 | class Patternlibrary_Middleware { |
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20 | |||
21 | /** |
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22 | * Initializes an instance of Patternlibrary middleware hook. |
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23 | * @constructor |
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24 | * @param {object} options - Configuration options to use. |
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25 | * @param {Patternlibrary} patternlibrary - main patternlibrary object reference. |
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26 | */ |
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27 | constructor ( options, patternlibrary ) { |
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28 | |||
29 | this.options = extend(this.defaults, options); |
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30 | |||
31 | if (typeof patternlibrary == 'object') { |
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32 | this.$PL = patternlibrary; |
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33 | } |
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34 | } |
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35 | |||
36 | /** |
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37 | * bind Patternlibrary object |
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38 | * |
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39 | * @param Patternlibrary the Patternlibrary |
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40 | * @return self |
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41 | */ |
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42 | bind ( patternlibrary ) { |
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43 | if ( (typeof patternlibrary.patternlibrary_version == 'undefined') ) throw 'invalid patternlibrary object to bind'; |
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44 | |||
45 | if (typeof patternlibrary == 'object') { |
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46 | this.$PL = patternlibrary; |
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47 | } |
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48 | |||
49 | return (this); |
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50 | } |
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51 | |||
52 | getRoute ( httpRequest ) { |
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53 | return ( httpRequest._parsedUrl.pathname.toLowerCase().replace(this.options.basepath, '') ) |
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54 | } |
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55 | |||
56 | getMethod ( httpRequest ) { |
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57 | return ( httpRequest.method.toLowerCase() ) |
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58 | } |
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59 | |||
60 | getPatterns () { |
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61 | return this.$PL.data; |
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62 | |||
63 | } |
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64 | |||
65 | getTree () { |
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66 | return this.$PL.Supercollider.tree; |
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67 | |||
68 | } |
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69 | |||
70 | getSearch ( callback ) { |
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71 | var $PL = this.$PL; |
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72 | var searchFile = $PL.options.dest+'search.json'; |
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73 | $PL.Supercollider.buildSearch(searchFile, callback); |
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74 | } |
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75 | |||
76 | getHook () { |
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77 | return ( this.hook.bind(this) ); |
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78 | } |
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79 | |||
80 | /** |
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81 | * 'gulp-connect'/'gulp-browser-sync' middleware hook |
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82 | * |
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83 | * @param Request httpRequest |
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84 | * @param Response httpResponse |
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85 | * @param function next |
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86 | */ |
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87 | hook (httpRequest, httpResponse, next) { |
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88 | |||
89 | var $PL = this.$PL, |
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90 | basePath = this.options.basepath, // '/pl', |
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91 | method = this.getMethod(httpRequest), |
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92 | route = this.getRoute(httpRequest) |
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93 | |||
94 | ; |
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95 | |||
96 | // allow cross-domain ajax/iframe access |
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97 | httpResponse.setHeader('Access-Control-Allow-Origin', '*'); |
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98 | |||
99 | switch (method) { |
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100 | |||
101 | case 'delete' : |
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102 | case 'put' : |
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103 | case 'update' : |
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104 | case 'post' : |
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105 | |||
106 | switch (route) { |
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107 | case "some_route" : |
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108 | // this is to come ... ;) |
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109 | console.log('some route...:', route); |
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110 | break; |
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111 | default: |
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112 | // this is to come ... ;) |
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113 | console.log('method: ', httpRequest.method.toLowerCase()); |
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114 | console.log('request: ', httpRequest.url); |
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115 | next(); |
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116 | break; |
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117 | } |
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118 | |||
119 | break; |
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120 | |||
121 | case 'get' : |
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122 | default : |
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123 | |||
124 | switch (route) { |
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125 | case '/patterns.json' : |
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126 | httpResponse.write( ''+JSON.stringify(this.getPatterns())+'' ); |
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127 | httpResponse.end(); |
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128 | break; |
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129 | case '/patternlibrary.json' : |
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130 | httpResponse.write( ''+JSON.stringify({ |
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131 | patterns: this.getPatterns(), |
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132 | tree : this.getTree() |
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133 | })+'' ); |
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134 | httpResponse.end(); |
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135 | break; |
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136 | |||
137 | case '/search' : |
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138 | case '/search.json' : |
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139 | var searchFile = $PL.options.dest+'search.json'; |
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140 | this.getSearch(function() { |
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141 | jsonfile.readFile(searchFile, function(err, obj) { |
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142 | httpResponse.write( ''+JSON.stringify(obj)+'' ); |
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143 | httpResponse.end(); |
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144 | }); |
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145 | }); |
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146 | break; |
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147 | |||
148 | case '/proxy' : |
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149 | case '/emulate' : |
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150 | case '/emulate.php' : |
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151 | var query = queryString.parse(httpRequest._parsedUrl.search); |
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152 | var EmulatorLinkScript = '<script type="text/javascript">' |
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153 | +'document.domain=document.domain.replace(\'www.\',\'\');' |
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154 | +'parent.document.getElementById(\'UrlTxt\').innerHTML=\'http://my-application.net/en/user/login\';' |
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155 | +'function bye() {' |
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156 | +'if(parent.EmulatorStarted == false){' |
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157 | +'window.parent.EmulatorUrlBye(this.location.href);' |
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158 | +'}' |
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159 | +'}' |
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160 | +'window.onbeforeunload = bye;' |
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161 | +'</script>'; |
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162 | var EmulatorNoContentScript = '<script type="text/javascript">' |
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163 | +'document.domain=document.domain.replace(\'www.\',\'\');' |
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164 | +'window.parent.EmulatorUrlKO();' |
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165 | +'</script>'; |
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166 | |||
167 | curl.get(query.url, {}, function(err, response, body) { |
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168 | if (err) throw err; |
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169 | if (body != '') { |
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170 | body = String(body).replace('<head>','<head><base href="'+query.url+'">'); |
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171 | httpResponse.write( |
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172 | String(body).replace('</body>', EmulatorLinkScript+'</body>') |
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173 | +'' |
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174 | +"\n" |
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175 | ); |
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176 | } else { |
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177 | httpResponse.write( |
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178 | String(body).replace('</body>', EmulatorLinkScript+'</body>') |
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179 | +'' |
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180 | +"\n" |
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181 | ); |
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182 | } |
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183 | httpResponse.end(); |
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184 | }); |
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185 | |||
186 | break; |
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187 | |||
188 | case '/userscreensize.php' : |
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189 | httpResponse.write('url: '+JSON.stringify(httpRequest._parsedUrl, null, 4)+"\n" ); |
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190 | httpResponse.end(); |
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191 | break; |
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192 | |||
193 | |||
194 | default: |
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195 | // no route found... handle over to try to serve file... |
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196 | //console.log('request: ', httpRequest.url); |
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197 | next(); |
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198 | break; |
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199 | |||
200 | } // switch (route) |
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201 | |||
202 | break; |
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203 | |||
204 | } // switch (method) |
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205 | |||
206 | } |
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207 | |||
208 | } |
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209 | |||
210 | Patternlibrary_Middleware.prototype.defaults = require('./../config/default.js'); |
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211 | |||
212 | module.exports = Patternlibrary_Middleware; |