1 | <?php |
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2 | /* For licensing terms, see /license.txt */ |
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3 | |||
4 | /** |
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5 | * Maintenance mode facilitator plugin. |
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6 | * |
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7 | * @package chamilo.plugin |
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8 | */ |
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9 | |||
10 | /** @var \MaintenanceModePlugin $plugin */ |
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11 | $plugin = MaintenanceModePlugin::create(); |
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12 | $plugin_info = $plugin->get_info(); |
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13 | |||
14 | $isPlatformAdmin = api_is_platform_admin(); |
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15 | $editFile = false; |
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16 | |||
17 | $file = api_get_path(SYS_PATH).'.htaccess'; |
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18 | $maintenanceHtml = api_get_path(SYS_PATH).'maintenance.html'; |
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19 | |||
20 | if ($plugin->isEnabled() && $isPlatformAdmin) { |
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21 | if (!file_exists($file)) { |
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22 | Display::addFlash( |
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23 | Display::return_message( |
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24 | "$file does not exists. ", |
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25 | 'warning' |
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26 | ) |
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27 | ); |
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28 | } else { |
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29 | if (is_readable($file) && is_writable($file)) { |
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30 | $editFile = true; |
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31 | } else { |
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32 | if (!is_readable($file)) { |
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33 | Display::addFlash( |
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34 | Display::return_message("$file is not readable", 'warning') |
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35 | ); |
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36 | } |
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37 | |||
38 | if (!is_writable($file)) { |
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39 | Display::addFlash( |
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40 | Display::return_message("$file is not writable", 'warning') |
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41 | ); |
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42 | } |
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43 | } |
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44 | } |
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45 | } |
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46 | |||
47 | if ($editFile && $isPlatformAdmin) { |
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48 | $originalContent = file_get_contents($file); |
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49 | $beginLine = '###@@ This part was generated by the edit_htaccess plugin @@##'; |
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50 | $endLine = '###@@ End @@##'; |
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51 | |||
52 | $handler = fopen($file, 'r'); |
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53 | $deleteLinesList = []; |
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54 | $deleteLine = false; |
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55 | $contentNoBlock = ''; |
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56 | $block = ''; |
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57 | while (!feof($handler)) { |
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58 | $line = fgets($handler); |
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59 | $lineTrimmed = trim($line); |
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60 | |||
61 | if ($lineTrimmed == $beginLine) { |
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62 | $deleteLine = true; |
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63 | } |
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64 | |||
65 | if ($deleteLine) { |
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66 | $block .= $line; |
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67 | } else { |
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68 | $contentNoBlock .= $line; |
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69 | } |
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70 | |||
71 | if ($lineTrimmed == $endLine) { |
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72 | $deleteLine = false; |
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73 | } |
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74 | } |
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75 | |||
76 | fclose($handler); |
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77 | $block = str_replace($beginLine, '', $block); |
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78 | $block = str_replace($endLine, '', $block); |
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79 | |||
80 | $form = new FormValidator('htaccess'); |
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81 | $form->addHtml($plugin->get_lang('TheFollowingTextWillBeAddedToHtaccess')); |
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82 | $element = $form->addText( |
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83 | 'ip', |
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84 | [$plugin->get_lang('IPAdmin'), $plugin->get_lang('IPAdminDescription')] |
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85 | ); |
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86 | $element->freeze(); |
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87 | $form->addTextarea('text', 'htaccess', ['rows' => '15']); |
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88 | |||
89 | $config = [ |
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90 | 'ToolbarSet' => 'Documents', |
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91 | 'Width' => '100%', |
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92 | 'Height' => '400', |
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93 | 'allowedContent' => true, |
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94 | ]; |
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95 | |||
96 | $form->addHtmlEditor( |
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97 | 'maintenance', |
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98 | 'Maintenance', |
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99 | true, |
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100 | true, |
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101 | $config |
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102 | ); |
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103 | |||
104 | $form->addCheckBox('active', null, get_lang('Active')); |
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105 | |||
106 | $form->addButtonSave(get_lang('Save')); |
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107 | $content = ''; |
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108 | if (file_exists($maintenanceHtml)) { |
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109 | $content = file_get_contents($maintenanceHtml); |
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110 | } |
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111 | if (empty($content)) { |
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112 | $content = '<html><head><title></title></head><body></body></html>'; |
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113 | } |
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114 | |||
115 | $isActive = api_get_plugin_setting('maintenancemode', 'active'); |
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116 | |||
117 | $ip = api_get_real_ip(); |
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118 | if ($ip == '::1') { |
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119 | $ip = '127.0.0.1'; |
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120 | } |
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121 | $ipSubList = explode('.', $ip); |
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122 | $implode = implode('\.', $ipSubList); |
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123 | $append = api_get_configuration_value('url_append'); |
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124 | |||
125 | $default = ' |
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126 | RewriteCond %{REQUEST_URI} !'.$append.'/maintenance.html$ |
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127 | RewriteCond %{REMOTE_ADDR} !^'.$implode.' |
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128 | RewriteRule ^\.*$ '.$append.'/maintenance.html [R=302,L] |
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129 | '; |
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130 | if (empty($block)) { |
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131 | $block = $default; |
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132 | } |
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133 | |||
134 | $form->setDefaults([ |
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135 | 'text' => $block, |
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136 | 'maintenance' => $content, |
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137 | 'ip' => $ip, |
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138 | 'active' => $isActive, |
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139 | ]); |
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140 | |||
141 | if ($form->validate()) { |
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142 | $values = $form->getSubmitValues(); |
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143 | $text = $values['text']; |
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144 | $active = isset($values['active']) ? true : false; |
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145 | $content = $values['maintenance']; |
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146 | |||
147 | // Restore htaccess with out the block |
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148 | $newFileContent = $beginLine.PHP_EOL; |
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149 | $newFileContent .= trim($text).PHP_EOL; |
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150 | $newFileContent .= $endLine; |
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151 | $newFileContent .= PHP_EOL; |
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152 | $newFileContent .= $contentNoBlock; |
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153 | // Remove ^m chars |
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154 | $newFileContent = str_ireplace("\x0D", '', $newFileContent); |
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155 | file_put_contents($file, $newFileContent); |
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156 | |||
157 | $handle = curl_init(api_get_path(WEB_PATH)); |
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158 | curl_setopt($handle, CURLOPT_RETURNTRANSFER, true); |
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159 | $response = curl_exec($handle); |
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160 | $httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE); |
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161 | curl_close($handle); |
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162 | |||
163 | $statusOkList = [ |
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164 | 200, |
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165 | 301, |
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166 | 302, |
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167 | ]; |
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168 | |||
169 | if (in_array($httpCode, $statusOkList)) { |
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170 | $result = file_put_contents($maintenanceHtml, $content); |
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171 | if ($result === false) { |
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172 | Display::addFlash( |
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173 | Display::return_message( |
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174 | sprintf($plugin->get_lang('MaintenanceFileNotPresent'), $maintenanceHtml), |
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175 | 'warning' |
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176 | ) |
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177 | ); |
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178 | } |
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179 | } else { |
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180 | // Looks htaccess contains errors. Restore as it was. |
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181 | Display::addFlash( |
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182 | Display::return_message( |
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183 | 'Check your htaccess instructions. The original file was restored.', |
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184 | 'warning' |
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185 | ) |
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186 | ); |
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187 | $originalContent = str_replace("\x0D", '', $originalContent); |
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188 | file_put_contents($file, $originalContent); |
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189 | } |
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190 | |||
191 | if ($active == false) { |
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192 | $message = $plugin->get_lang('MaintenanceModeIsOff'); |
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193 | $contentNoBlock = str_replace("\x0D", '', $contentNoBlock); |
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194 | file_put_contents($file, $contentNoBlock); |
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195 | } else { |
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196 | $message = $plugin->get_lang('MaintenanceModeIsOn'); |
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197 | } |
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198 | Display::addFlash(Display::return_message($message)); |
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199 | } |
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200 | $plugin_info['settings_form'] = $form; |
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201 | } |
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202 |
When comparing two booleans, it is generally considered safer to use the strict comparison operator.