1 | <?php |
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2 | |||
3 | /* For licensing terms, see /license.txt */ |
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4 | |||
5 | /** |
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6 | * Maintenance mode facilitator plugin. |
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7 | */ |
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8 | |||
9 | /** @var \MaintenanceModePlugin $plugin */ |
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10 | $plugin = MaintenanceModePlugin::create(); |
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11 | $plugin_info = $plugin->get_info(); |
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12 | |||
13 | $isPlatformAdmin = api_is_platform_admin(); |
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14 | $editFile = false; |
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15 | |||
16 | $file = api_get_path(SYS_PATH).'.htaccess'; |
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17 | $maintenanceHtml = api_get_path(SYS_PATH).'maintenance.html'; |
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18 | |||
19 | if ($plugin->isEnabled() && $isPlatformAdmin) { |
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20 | if (!file_exists($file)) { |
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21 | Display::addFlash( |
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22 | Display::return_message( |
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23 | "$file does not exists. ", |
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24 | 'warning' |
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25 | ) |
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26 | ); |
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27 | } else { |
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28 | if (is_readable($file) && is_writable($file)) { |
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29 | $editFile = true; |
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30 | } else { |
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31 | if (!is_readable($file)) { |
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32 | Display::addFlash( |
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33 | Display::return_message("$file is not readable", 'warning') |
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34 | ); |
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35 | } |
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36 | |||
37 | if (!is_writable($file)) { |
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38 | Display::addFlash( |
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39 | Display::return_message("$file is not writable", 'warning') |
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40 | ); |
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41 | } |
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42 | } |
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43 | } |
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44 | } |
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45 | |||
46 | if ($editFile && $isPlatformAdmin) { |
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47 | $originalContent = file_get_contents($file); |
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48 | $beginLine = '###@@ This part was generated by the edit_htaccess plugin @@##'; |
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49 | $endLine = '###@@ End @@##'; |
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50 | |||
51 | $handler = fopen($file, 'r'); |
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52 | $deleteLinesList = []; |
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53 | $deleteLine = false; |
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54 | $contentNoBlock = ''; |
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55 | $block = ''; |
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56 | while (!feof($handler)) { |
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57 | $line = fgets($handler); |
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58 | $lineTrimmed = trim($line); |
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59 | |||
60 | if ($lineTrimmed == $beginLine) { |
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61 | $deleteLine = true; |
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62 | } |
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63 | |||
64 | if ($deleteLine) { |
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65 | $block .= $line; |
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66 | } else { |
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67 | $contentNoBlock .= $line; |
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68 | } |
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69 | |||
70 | if ($lineTrimmed == $endLine) { |
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71 | $deleteLine = false; |
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72 | } |
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73 | } |
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74 | |||
75 | fclose($handler); |
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76 | $block = str_replace($beginLine, '', $block); |
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77 | $block = str_replace($endLine, '', $block); |
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78 | |||
79 | $form = new FormValidator('htaccess'); |
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80 | $form->addHtml($plugin->get_lang('TheFollowingTextWillBeAddedToHtaccess')); |
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81 | $element = $form->addText( |
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82 | 'ip', |
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83 | [$plugin->get_lang('IPAdmin'), $plugin->get_lang('IPAdminDescription')] |
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84 | ); |
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85 | $element->freeze(); |
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86 | $form->addTextarea('text', 'htaccess', ['rows' => '15']); |
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87 | |||
88 | $config = [ |
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89 | 'ToolbarSet' => 'Documents', |
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90 | 'Width' => '100%', |
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91 | 'Height' => '400', |
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92 | 'allowedContent' => true, |
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93 | ]; |
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94 | |||
95 | $form->addHtmlEditor( |
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96 | 'maintenance', |
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97 | 'Maintenance', |
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98 | true, |
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99 | true, |
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100 | $config |
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101 | ); |
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102 | |||
103 | $form->addCheckBox('active', null, get_lang('active')); |
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104 | |||
105 | $form->addButtonSave(get_lang('Save')); |
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106 | $content = ''; |
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107 | if (file_exists($maintenanceHtml)) { |
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108 | $content = file_get_contents($maintenanceHtml); |
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109 | } |
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110 | if (empty($content)) { |
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111 | $content = '<html><head><title></title></head><body></body></html>'; |
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112 | } |
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113 | |||
114 | $isactive = api_get_plugin_setting('maintenancemode', 'active'); |
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115 | |||
116 | $ip = api_get_real_ip(); |
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117 | if ('::1' == $ip) { |
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118 | $ip = '127.0.0.1'; |
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119 | } |
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120 | $ipSubList = explode('.', $ip); |
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121 | $implode = implode('\.', $ipSubList); |
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122 | $append = api_get_configuration_value('url_append'); |
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123 | |||
124 | $default = ' |
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125 | RewriteCond %{REQUEST_URI} !'.$append.'/maintenance.html$ |
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126 | RewriteCond %{REMOTE_HOST} !^'.$implode.' |
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127 | RewriteRule \.*$ '.$append.'/maintenance.html [R=302,L] |
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128 | '; |
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129 | if (empty($block)) { |
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130 | $block = $default; |
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131 | } |
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132 | |||
133 | $form->setDefaults([ |
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134 | 'text' => $block, |
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135 | 'maintenance' => $content, |
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136 | 'ip' => $ip, |
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137 | 'active' => $isactive, |
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138 | ]); |
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139 | |||
140 | if ($form->validate()) { |
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141 | $values = $form->getSubmitValues(); |
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142 | $text = $values['text']; |
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143 | $active = isset($values['active']) ? true : false; |
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144 | $content = $values['maintenance']; |
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145 | |||
146 | // Restore htaccess with out the block |
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147 | $newFileContent = $beginLine.PHP_EOL; |
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148 | $newFileContent .= trim($text).PHP_EOL; |
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149 | $newFileContent .= $endLine; |
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150 | $newFileContent .= PHP_EOL; |
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151 | $newFileContent .= $contentNoBlock; |
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152 | // Remove ^m chars |
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153 | $newFileContent = str_ireplace("\x0D", '', $newFileContent); |
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154 | file_put_contents($file, $newFileContent); |
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155 | |||
156 | $handle = curl_init(api_get_path(WEB_PATH)); |
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157 | curl_setopt($handle, CURLOPT_RETURNTRANSFER, true); |
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158 | $response = curl_exec($handle); |
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159 | $httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE); |
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160 | curl_close($handle); |
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161 | |||
162 | $statusOkList = [ |
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163 | 200, |
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164 | 301, |
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165 | 302, |
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166 | ]; |
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167 | |||
168 | if (in_array($httpCode, $statusOkList)) { |
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169 | $result = file_put_contents($maintenanceHtml, $content); |
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170 | if (false === $result) { |
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171 | Display::addFlash( |
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172 | Display::return_message( |
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173 | sprintf($plugin->get_lang('MaintenanceFileNotPresent'), $maintenanceHtml), |
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174 | 'warning' |
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175 | ) |
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176 | ); |
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177 | } |
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178 | } else { |
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179 | // Looks htaccess contains errors. Restore as it was. |
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180 | Display::addFlash( |
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181 | Display::return_message( |
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182 | 'Check your htaccess instructions. The original file was restored.', |
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183 | 'warning' |
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184 | ) |
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185 | ); |
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186 | $originalContent = str_replace("\x0D", '', $originalContent); |
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187 | file_put_contents($file, $originalContent); |
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188 | } |
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189 | |||
190 | if (false == $active) { |
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191 | $message = $plugin->get_lang('MaintenanceModeIsOff'); |
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192 | $contentNoBlock = str_replace("\x0D", '', $contentNoBlock); |
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193 | file_put_contents($file, $contentNoBlock); |
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194 | } else { |
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195 | $message = $plugin->get_lang('MaintenanceModeIsOn'); |
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196 | } |
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197 | Display::addFlash(Display::return_message($message)); |
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198 | } |
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199 | $plugin_info['settings_form'] = $form; |
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200 | } |
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201 |
When comparing two booleans, it is generally considered safer to use the strict comparison operator.