1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | Piwigo - a PHP based photo gallery | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | Copyright(C) 2008-2013 Piwigo Team http://piwigo.org | |
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6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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8 | // +-----------------------------------------------------------------------+ |
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9 | // | This program is free software; you can redistribute it and/or modify | |
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10 | // | it under the terms of the GNU General Public License as published by | |
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11 | // | the Free Software Foundation | |
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12 | // | | |
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13 | // | This program is distributed in the hope that it will be useful, but | |
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14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 | // | General Public License for more details. | |
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17 | // | | |
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18 | // | You should have received a copy of the GNU General Public License | |
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19 | // | along with this program; if not, write to the Free Software | |
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20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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21 | // | USA. | |
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22 | // +-----------------------------------------------------------------------+ |
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23 | |
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24 | class plugins |
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25 | { |
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26 | var $fs_plugins = array(); |
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27 | var $db_plugins_by_id = array(); |
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28 | var $server_plugins = array(); |
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29 | var $default_plugins = array('LocalFilesEditor', 'language_switch', 'c13y_upgrade', 'admin_multi_view'); |
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30 | |
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31 | /** |
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32 | * Initialize $fs_plugins and $db_plugins_by_id |
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33 | */ |
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34 | function plugins() |
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35 | { |
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36 | $this->get_fs_plugins(); |
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37 | |
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38 | foreach (get_db_plugins() as $db_plugin) |
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39 | { |
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40 | $this->db_plugins_by_id[$db_plugin['id']] = $db_plugin; |
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41 | } |
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42 | } |
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43 | |
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44 | /** |
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45 | * Perform requested actions |
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46 | * @param string - action |
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47 | * @param string - plugin id |
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48 | * @param array - errors |
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49 | */ |
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50 | function perform_action($action, $plugin_id) |
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51 | { |
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52 | if (isset($this->db_plugins_by_id[$plugin_id])) |
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53 | { |
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54 | $crt_db_plugin = $this->db_plugins_by_id[$plugin_id]; |
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55 | } |
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56 | $file_to_include = PHPWG_PLUGINS_PATH . $plugin_id . '/maintain.inc.php'; |
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57 | |
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58 | $errors = array(); |
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59 | |
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60 | switch ($action) |
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61 | { |
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62 | case 'install': |
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63 | if (!empty($crt_db_plugin) or !isset($this->fs_plugins[$plugin_id])) |
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64 | { |
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65 | break; |
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66 | } |
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67 | if (file_exists($file_to_include)) |
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68 | { |
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69 | include_once($file_to_include); |
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70 | if (function_exists('plugin_install')) |
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71 | { |
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72 | plugin_install($plugin_id, $this->fs_plugins[$plugin_id]['version'], $errors); |
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73 | } |
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74 | } |
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75 | if (empty($errors)) |
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76 | { |
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77 | $query = ' |
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78 | INSERT INTO ' . PLUGINS_TABLE . ' (id,version) VALUES (\'' |
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79 | . $plugin_id . '\',\'' . $this->fs_plugins[$plugin_id]['version'] . '\' |
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80 | )'; |
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81 | pwg_query($query); |
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82 | } |
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83 | break; |
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84 | |
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85 | case 'activate': |
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86 | if (!isset($crt_db_plugin)) |
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87 | { |
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88 | $errors = $this->perform_action('install', $plugin_id); |
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89 | list($crt_db_plugin) = get_db_plugins(null, $plugin_id); |
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90 | load_conf_from_db(); |
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91 | } |
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92 | elseif ($crt_db_plugin['state'] == 'active') |
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93 | { |
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94 | break; |
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95 | } |
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96 | if (empty($errors) and file_exists($file_to_include)) |
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97 | { |
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98 | include_once($file_to_include); |
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99 | if (function_exists('plugin_activate')) |
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100 | { |
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101 | plugin_activate($plugin_id, $crt_db_plugin['version'], $errors); |
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102 | } |
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103 | } |
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104 | if (empty($errors)) |
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105 | { |
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106 | $query = ' |
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107 | UPDATE ' . PLUGINS_TABLE . ' |
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108 | SET state=\'active\', version=\''.$this->fs_plugins[$plugin_id]['version'].'\' |
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109 | WHERE id=\'' . $plugin_id . '\''; |
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110 | pwg_query($query); |
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111 | } |
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112 | break; |
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113 | |
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114 | case 'deactivate': |
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115 | if (!isset($crt_db_plugin) or $crt_db_plugin['state'] != 'active') |
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116 | { |
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117 | break; |
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118 | } |
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119 | $query = ' |
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120 | UPDATE ' . PLUGINS_TABLE . ' SET state=\'inactive\' WHERE id=\'' . $plugin_id . '\''; |
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121 | pwg_query($query); |
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122 | if (file_exists($file_to_include)) |
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123 | { |
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124 | include_once($file_to_include); |
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125 | if (function_exists('plugin_deactivate')) |
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126 | { |
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127 | plugin_deactivate($plugin_id); |
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128 | } |
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129 | } |
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130 | break; |
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131 | |
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132 | case 'uninstall': |
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133 | if (!isset($crt_db_plugin)) |
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134 | { |
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135 | break; |
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136 | } |
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137 | if ($crt_db_plugin['state'] == 'active') |
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138 | { |
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139 | $this->perform_action('deactivate', $plugin_id); |
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140 | } |
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141 | $query = ' |
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142 | DELETE FROM ' . PLUGINS_TABLE . ' WHERE id=\'' . $plugin_id . '\''; |
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143 | pwg_query($query); |
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144 | if (file_exists($file_to_include)) |
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145 | { |
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146 | include_once($file_to_include); |
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147 | if (function_exists('plugin_uninstall')) |
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148 | { |
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149 | plugin_uninstall($plugin_id); |
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150 | } |
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151 | } |
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152 | break; |
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153 | |
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154 | case 'restore': |
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155 | $this->perform_action('uninstall', $plugin_id); |
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156 | unset($this->db_plugins_by_id[$plugin_id]); |
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157 | $errors = $this->perform_action('activate', $plugin_id); |
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158 | break; |
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159 | |
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160 | case 'delete': |
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161 | if (!empty($crt_db_plugin)) |
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162 | { |
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163 | $this->perform_action('uninstall', $plugin_id); |
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164 | } |
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165 | if (!isset($this->fs_plugins[$plugin_id])) |
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166 | { |
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167 | break; |
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168 | } |
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169 | deltree(PHPWG_PLUGINS_PATH . $plugin_id, PHPWG_PLUGINS_PATH . 'trash'); |
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170 | break; |
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171 | } |
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172 | return $errors; |
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173 | } |
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174 | |
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175 | /** |
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176 | * Get plugins defined in the plugin directory |
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177 | */ |
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178 | function get_fs_plugins() |
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179 | { |
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180 | $dir = opendir(PHPWG_PLUGINS_PATH); |
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181 | while ($file = readdir($dir)) |
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182 | { |
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183 | if ($file!='.' and $file!='..') |
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184 | { |
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185 | $path = PHPWG_PLUGINS_PATH.$file; |
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186 | if (is_dir($path) and !is_link($path) |
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187 | and preg_match('/^[a-zA-Z0-9-_]+$/', $file ) |
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188 | and file_exists($path.'/main.inc.php') |
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189 | ) |
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190 | { |
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191 | $plugin = array( |
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192 | 'name'=>$file, |
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193 | 'version'=>'0', |
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194 | 'uri'=>'', |
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195 | 'description'=>'', |
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196 | 'author'=>'', |
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197 | ); |
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198 | $plg_data = implode( '', file($path.'/main.inc.php') ); |
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199 | |
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200 | if ( preg_match("|Plugin Name: (.*)|", $plg_data, $val) ) |
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201 | { |
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202 | $plugin['name'] = trim( $val[1] ); |
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203 | } |
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204 | if (preg_match("|Version: (.*)|", $plg_data, $val)) |
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205 | { |
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206 | $plugin['version'] = trim($val[1]); |
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207 | } |
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208 | if ( preg_match("|Plugin URI: (.*)|", $plg_data, $val) ) |
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209 | { |
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210 | $plugin['uri'] = trim($val[1]); |
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211 | } |
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212 | if ($desc = load_language('description.txt', $path.'/', array('return' => true))) |
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213 | { |
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214 | $plugin['description'] = trim($desc); |
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215 | } |
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216 | elseif ( preg_match("|Description: (.*)|", $plg_data, $val) ) |
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217 | { |
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218 | $plugin['description'] = trim($val[1]); |
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219 | } |
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220 | if ( preg_match("|Author: (.*)|", $plg_data, $val) ) |
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221 | { |
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222 | $plugin['author'] = trim($val[1]); |
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223 | } |
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224 | if ( preg_match("|Author URI: (.*)|", $plg_data, $val) ) |
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225 | { |
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226 | $plugin['author uri'] = trim($val[1]); |
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227 | } |
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228 | if (!empty($plugin['uri']) and strpos($plugin['uri'] , 'extension_view.php?eid=')) |
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229 | { |
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230 | list( , $extension) = explode('extension_view.php?eid=', $plugin['uri']); |
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231 | if (is_numeric($extension)) $plugin['extension'] = $extension; |
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232 | } |
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233 | // IMPORTANT SECURITY ! |
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234 | $plugin = array_map('htmlspecialchars', $plugin); |
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235 | $this->fs_plugins[$file] = $plugin; |
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236 | } |
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237 | } |
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238 | } |
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239 | closedir($dir); |
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240 | } |
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241 | |
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242 | /** |
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243 | * Sort fs_plugins |
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244 | */ |
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245 | function sort_fs_plugins($order='name') |
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246 | { |
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247 | switch ($order) |
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248 | { |
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249 | case 'name': |
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250 | uasort($this->fs_plugins, 'name_compare'); |
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251 | break; |
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252 | case 'status': |
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253 | $this->sort_plugins_by_state(); |
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254 | break; |
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255 | case 'author': |
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256 | uasort($this->fs_plugins, array($this, 'plugin_author_compare')); |
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257 | break; |
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258 | case 'id': |
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259 | uksort($this->fs_plugins, 'strcasecmp'); |
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260 | break; |
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261 | } |
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262 | } |
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263 | |
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264 | // Retrieve PEM versions |
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265 | function get_versions_to_check($version=PHPWG_VERSION) |
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266 | { |
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267 | global $conf; |
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268 | |
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269 | $versions_to_check = array(); |
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270 | $url = PEM_URL . '/api/get_version_list.php?category_id='. $conf['pem_plugins_category'] .'&format=php'; |
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271 | if (fetchRemote($url, $result) and $pem_versions = @unserialize($result)) |
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272 | { |
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273 | if (!preg_match('/^\d+\.\d+\.\d+$/', $version)) |
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274 | { |
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275 | $version = $pem_versions[0]['name']; |
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276 | } |
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277 | $branch = get_branch_from_version($version); |
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278 | foreach ($pem_versions as $pem_version) |
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279 | { |
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280 | if (strpos($pem_version['name'], $branch) === 0) |
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281 | { |
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282 | $versions_to_check[] = $pem_version['id']; |
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283 | } |
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284 | } |
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285 | } |
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286 | return $versions_to_check; |
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287 | } |
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288 | |
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289 | /** |
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290 | * Retrieve PEM server datas to $server_plugins |
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291 | */ |
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292 | function get_server_plugins($new=false) |
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293 | { |
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294 | global $user, $conf; |
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295 | |
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296 | $versions_to_check = $this->get_versions_to_check(); |
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297 | if (empty($versions_to_check)) |
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298 | { |
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299 | return false; |
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300 | } |
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301 | |
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302 | // Plugins to check |
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303 | $plugins_to_check = array(); |
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304 | foreach($this->fs_plugins as $fs_plugin) |
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305 | { |
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306 | if (isset($fs_plugin['extension'])) |
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307 | { |
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308 | $plugins_to_check[] = $fs_plugin['extension']; |
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309 | } |
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310 | } |
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311 | |
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312 | // Retrieve PEM plugins infos |
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313 | $url = PEM_URL . '/api/get_revision_list.php'; |
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314 | $get_data = array( |
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315 | 'category_id' => $conf['pem_plugins_category'], |
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316 | 'format' => 'php', |
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317 | 'last_revision_only' => 'true', |
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318 | 'version' => implode(',', $versions_to_check), |
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319 | 'lang' => substr($user['language'], 0, 2), |
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320 | 'get_nb_downloads' => 'true', |
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321 | ); |
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322 | |
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323 | if (!empty($plugins_to_check)) |
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324 | { |
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325 | if ($new) |
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326 | { |
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327 | $get_data['extension_exclude'] = implode(',', $plugins_to_check); |
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328 | } |
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329 | else |
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330 | { |
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331 | $get_data['extension_include'] = implode(',', $plugins_to_check); |
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332 | } |
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333 | } |
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334 | if (fetchRemote($url, $result, $get_data)) |
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335 | { |
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336 | $pem_plugins = @unserialize($result); |
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337 | if (!is_array($pem_plugins)) |
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338 | { |
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339 | return false; |
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340 | } |
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341 | foreach ($pem_plugins as $plugin) |
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342 | { |
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343 | $this->server_plugins[$plugin['extension_id']] = $plugin; |
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344 | } |
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345 | return true; |
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346 | } |
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347 | return false; |
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348 | } |
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349 | |
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350 | function get_incompatible_plugins($actualize=false) |
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351 | { |
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352 | if (isset($_SESSION['incompatible_plugins']) and !$actualize |
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353 | and $_SESSION['incompatible_plugins']['~~expire~~'] > time()) |
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354 | { |
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355 | return $_SESSION['incompatible_plugins']; |
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356 | } |
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357 | |
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358 | $_SESSION['incompatible_plugins'] = array('~~expire~~' => time() + 300); |
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359 | |
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360 | $versions_to_check = $this->get_versions_to_check(); |
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361 | if (empty($versions_to_check)) |
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362 | { |
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363 | return false; |
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364 | } |
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365 | |
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366 | global $conf; |
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367 | |
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368 | // Plugins to check |
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369 | $plugins_to_check = array(); |
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370 | foreach($this->fs_plugins as $fs_plugin) |
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371 | { |
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372 | if (isset($fs_plugin['extension'])) |
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373 | { |
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374 | $plugins_to_check[] = $fs_plugin['extension']; |
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375 | } |
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376 | } |
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377 | |
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378 | // Retrieve PEM plugins infos |
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379 | $url = PEM_URL . '/api/get_revision_list.php'; |
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380 | $get_data = array( |
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381 | 'category_id' => $conf['pem_plugins_category'], |
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382 | 'format' => 'php', |
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383 | 'version' => implode(',', $versions_to_check), |
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384 | 'extension_include' => implode(',', $plugins_to_check), |
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385 | ); |
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386 | |
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387 | if (fetchRemote($url, $result, $get_data)) |
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388 | { |
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389 | $pem_plugins = @unserialize($result); |
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390 | if (!is_array($pem_plugins)) |
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391 | { |
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392 | return false; |
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393 | } |
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394 | |
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395 | $server_plugins = array(); |
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396 | foreach ($pem_plugins as $plugin) |
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397 | { |
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398 | if (!isset($server_plugins[$plugin['extension_id']])) |
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399 | { |
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400 | $server_plugins[$plugin['extension_id']] = array(); |
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401 | } |
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402 | $server_plugins[$plugin['extension_id']][] = $plugin['revision_name']; |
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403 | } |
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404 | |
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405 | foreach ($this->fs_plugins as $plugin_id => $fs_plugin) |
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406 | { |
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407 | if (isset($fs_plugin['extension']) |
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408 | and !in_array($plugin_id, $this->default_plugins) |
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409 | and $fs_plugin['version'] != 'auto' |
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410 | and (!isset($server_plugins[$fs_plugin['extension']]) or !in_array($fs_plugin['version'], $server_plugins[$fs_plugin['extension']]))) |
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411 | { |
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412 | $_SESSION['incompatible_plugins'][$plugin_id] = $fs_plugin['version']; |
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413 | } |
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414 | } |
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415 | return $_SESSION['incompatible_plugins']; |
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416 | } |
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417 | return false; |
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418 | } |
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419 | |
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420 | /** |
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421 | * Sort $server_plugins |
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422 | */ |
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423 | function sort_server_plugins($order='date') |
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424 | { |
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425 | switch ($order) |
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426 | { |
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427 | case 'date': |
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428 | krsort($this->server_plugins); |
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429 | break; |
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430 | case 'revision': |
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431 | usort($this->server_plugins, array($this, 'extension_revision_compare')); |
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432 | break; |
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433 | case 'name': |
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434 | uasort($this->server_plugins, array($this, 'extension_name_compare')); |
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435 | break; |
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436 | case 'author': |
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437 | uasort($this->server_plugins, array($this, 'extension_author_compare')); |
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438 | break; |
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439 | case 'downloads': |
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440 | usort($this->server_plugins, array($this, 'extension_downloads_compare')); |
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441 | break; |
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442 | } |
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443 | } |
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444 | |
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445 | /** |
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446 | * Extract plugin files from archive |
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447 | * @param string - install or upgrade |
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448 | * @param string - archive URL |
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449 | * @param string - plugin id or extension id |
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450 | */ |
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451 | function extract_plugin_files($action, $revision, $dest) |
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452 | { |
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453 | if ($archive = tempnam( PHPWG_PLUGINS_PATH, 'zip')) |
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454 | { |
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455 | $url = PEM_URL . '/download.php'; |
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456 | $get_data = array( |
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457 | 'rid' => $revision, |
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458 | 'origin' => 'piwigo_'.$action, |
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459 | ); |
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460 | |
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461 | if ($handle = @fopen($archive, 'wb') and fetchRemote($url, $handle, $get_data)) |
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462 | { |
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463 | fclose($handle); |
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464 | include_once(PHPWG_ROOT_PATH.'admin/include/pclzip.lib.php'); |
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465 | $zip = new PclZip($archive); |
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466 | if ($list = $zip->listContent()) |
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467 | { |
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468 | foreach ($list as $file) |
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469 | { |
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470 | // we search main.inc.php in archive |
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471 | if (basename($file['filename']) == 'main.inc.php' |
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472 | and (!isset($main_filepath) |
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473 | or strlen($file['filename']) < strlen($main_filepath))) |
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474 | { |
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475 | $main_filepath = $file['filename']; |
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476 | } |
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477 | } |
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478 | if (isset($main_filepath)) |
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479 | { |
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480 | $root = dirname($main_filepath); // main.inc.php path in archive |
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481 | if ($action == 'upgrade') |
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482 | { |
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483 | $extract_path = PHPWG_PLUGINS_PATH . $dest; |
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484 | } |
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485 | else |
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486 | { |
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487 | $extract_path = PHPWG_PLUGINS_PATH |
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488 | . ($root == '.' ? 'extension_' . $dest : basename($root)); |
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489 | } |
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490 | if($result = $zip->extract(PCLZIP_OPT_PATH, $extract_path, |
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491 | PCLZIP_OPT_REMOVE_PATH, $root, |
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492 | PCLZIP_OPT_REPLACE_NEWER)) |
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493 | { |
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494 | foreach ($result as $file) |
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495 | { |
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496 | if ($file['stored_filename'] == $main_filepath) |
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497 | { |
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498 | $status = $file['status']; |
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499 | break; |
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500 | } |
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501 | } |
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502 | if (file_exists($extract_path.'/obsolete.list') |
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503 | and $old_files = file($extract_path.'/obsolete.list', FILE_IGNORE_NEW_LINES) |
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504 | and !empty($old_files)) |
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505 | { |
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506 | $old_files[] = 'obsolete.list'; |
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507 | foreach($old_files as $old_file) |
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508 | { |
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509 | $path = $extract_path.'/'.$old_file; |
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510 | if (is_file($path)) |
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511 | { |
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512 | @unlink($path); |
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513 | } |
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514 | elseif (is_dir($path)) |
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515 | { |
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516 | deltree($path, PHPWG_PLUGINS_PATH . 'trash'); |
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517 | } |
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518 | } |
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519 | } |
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520 | } |
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521 | else $status = 'extract_error'; |
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522 | } |
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523 | else $status = 'archive_error'; |
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524 | } |
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525 | else $status = 'archive_error'; |
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526 | } |
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527 | else $status = 'dl_archive_error'; |
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528 | } |
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529 | else $status = 'temp_path_error'; |
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530 | |
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531 | @unlink($archive); |
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532 | return $status; |
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533 | } |
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534 | |
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535 | function get_merged_extensions($version=PHPWG_VERSION) |
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536 | { |
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537 | $file = PHPWG_ROOT_PATH.'install/obsolete_extensions.list'; |
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538 | $merged_extensions = array(); |
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539 | |
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540 | if (file_exists($file) and $obsolete_ext = file($file, FILE_IGNORE_NEW_LINES) and !empty($obsolete_ext)) |
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541 | { |
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542 | foreach ($obsolete_ext as $ext) |
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543 | { |
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544 | if (preg_match('/^(\d+) ?: ?(.*?)$/', $ext, $matches)) |
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545 | { |
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546 | $merged_extensions[$matches[1]] = $matches[2]; |
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547 | } |
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548 | } |
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549 | } |
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550 | return $merged_extensions; |
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551 | } |
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552 | |
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553 | /** |
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554 | * Sort functions |
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555 | */ |
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556 | function plugin_version_compare($a, $b) |
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557 | { |
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558 | if (strtolower($a) == 'auto') return false; |
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559 | |
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560 | $array = preg_replace( |
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561 | array('/\.+/', '/\.\Z|\A\./'), |
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562 | array('.', ''), |
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563 | array($a, $b) |
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564 | ); |
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565 | |
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566 | $array = preg_replace_callback( |
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567 | '/([a-z])/i', |
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568 | create_function('$m', 'return intval($m[1], 36);'), |
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569 | $array |
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570 | ); |
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571 | |
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572 | return version_compare($array[0], $array[1], '>='); |
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573 | } |
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574 | |
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575 | function extension_revision_compare($a, $b) |
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576 | { |
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577 | if ($a['revision_date'] < $b['revision_date']) return 1; |
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578 | else return -1; |
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579 | } |
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580 | |
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581 | function extension_name_compare($a, $b) |
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582 | { |
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583 | return strcmp(strtolower($a['extension_name']), strtolower($b['extension_name'])); |
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584 | } |
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585 | |
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586 | function extension_author_compare($a, $b) |
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587 | { |
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588 | $r = strcasecmp($a['author_name'], $b['author_name']); |
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589 | if ($r == 0) return $this->extension_name_compare($a, $b); |
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590 | else return $r; |
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591 | } |
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592 | |
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593 | function plugin_author_compare($a, $b) |
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594 | { |
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595 | $r = strcasecmp($a['author'], $b['author']); |
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596 | if ($r == 0) return name_compare($a, $b); |
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597 | else return $r; |
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598 | } |
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599 | |
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600 | function extension_downloads_compare($a, $b) |
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601 | { |
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602 | if ($a['extension_nb_downloads'] < $b['extension_nb_downloads']) return 1; |
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603 | else return -1; |
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604 | } |
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605 | |
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606 | function sort_plugins_by_state() |
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607 | { |
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608 | uasort($this->fs_plugins, 'name_compare'); |
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609 | |
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610 | $active_plugins = array(); |
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611 | $inactive_plugins = array(); |
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612 | $not_installed = array(); |
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613 | |
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614 | foreach($this->fs_plugins as $plugin_id => $plugin) |
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615 | { |
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616 | if (isset($this->db_plugins_by_id[$plugin_id])) |
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617 | { |
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618 | $this->db_plugins_by_id[$plugin_id]['state'] == 'active' ? |
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619 | $active_plugins[$plugin_id] = $plugin : $inactive_plugins[$plugin_id] = $plugin; |
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620 | } |
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621 | else |
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622 | { |
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623 | $not_installed[$plugin_id] = $plugin; |
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624 | } |
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625 | } |
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626 | $this->fs_plugins = $active_plugins + $inactive_plugins + $not_installed; |
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627 | } |
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628 | } |
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629 | ?> |
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