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) 2008-2011 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 | |
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30 | /** |
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31 | * Initialize $fs_plugins and $db_plugins_by_id |
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32 | */ |
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33 | function plugins() |
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34 | { |
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35 | $this->get_fs_plugins(); |
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36 | |
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37 | foreach (get_db_plugins() as $db_plugin) |
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38 | { |
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39 | $this->db_plugins_by_id[$db_plugin['id']] = $db_plugin; |
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40 | } |
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41 | } |
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42 | |
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43 | /** |
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44 | * Set tabsheet for plugins pages. |
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45 | * @param string selected page. |
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46 | */ |
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47 | function set_tabsheet($selected) |
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48 | { |
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49 | include_once(PHPWG_ROOT_PATH.'admin/include/tabsheet.class.php'); |
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50 | |
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51 | $link = get_root_url().'admin.php?page='; |
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52 | |
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53 | $tabsheet = new tabsheet(); |
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54 | $tabsheet->add('plugins_list', l10n('Plugin list'), $link.'plugins_list'); |
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55 | $tabsheet->add('plugins_update', l10n('Check for updates'), $link.'plugins_update'); |
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56 | $tabsheet->add('plugins_new', l10n('Other plugins'), $link.'plugins_new'); |
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57 | $tabsheet->select($selected); |
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58 | $tabsheet->assign(); |
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59 | } |
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60 | |
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61 | /** |
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62 | * Perform requested actions |
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63 | * @param string - action |
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64 | * @param string - plugin id |
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65 | * @param array - errors |
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66 | */ |
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67 | function perform_action($action, $plugin_id) |
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68 | { |
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69 | if (isset($this->db_plugins_by_id[$plugin_id])) |
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70 | { |
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71 | $crt_db_plugin = $this->db_plugins_by_id[$plugin_id]; |
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72 | } |
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73 | $file_to_include = PHPWG_PLUGINS_PATH . $plugin_id . '/maintain.inc.php'; |
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74 | |
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75 | $errors = array(); |
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76 | |
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77 | switch ($action) |
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78 | { |
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79 | case 'install': |
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80 | if (!empty($crt_db_plugin)) |
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81 | { |
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82 | array_push($errors, 'CANNOT INSTALL - ALREADY INSTALLED'); |
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83 | break; |
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84 | } |
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85 | if (!isset($this->fs_plugins[$plugin_id])) |
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86 | { |
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87 | array_push($errors, 'CANNOT INSTALL - NO SUCH PLUGIN'); |
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88 | break; |
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89 | } |
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90 | if (file_exists($file_to_include)) |
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91 | { |
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92 | include_once($file_to_include); |
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93 | if (function_exists('plugin_install')) |
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94 | { |
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95 | plugin_install($plugin_id, $this->fs_plugins[$plugin_id]['version'], $errors); |
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96 | } |
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97 | } |
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98 | if (empty($errors)) |
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99 | { |
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100 | $query = ' |
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101 | INSERT INTO ' . PLUGINS_TABLE . ' (id,version) VALUES (\'' |
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102 | . $plugin_id . '\',\'' . $this->fs_plugins[$plugin_id]['version'] . '\' |
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103 | )'; |
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104 | pwg_query($query); |
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105 | } |
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106 | break; |
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107 | |
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108 | case 'activate': |
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109 | if (!isset($crt_db_plugin)) |
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110 | { |
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111 | array_push($errors, 'CANNOT ACTIVATE - NOT INSTALLED'); |
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112 | break; |
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113 | } |
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114 | if ($crt_db_plugin['state'] != 'inactive') |
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115 | { |
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116 | array_push($errors, 'invalid current state ' . $crt_db_plugin['state']); |
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117 | break; |
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118 | } |
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119 | if (file_exists($file_to_include)) |
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120 | { |
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121 | include_once($file_to_include); |
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122 | if (function_exists('plugin_activate')) |
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123 | { |
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124 | plugin_activate($plugin_id, $crt_db_plugin['version'], $errors); |
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125 | } |
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126 | } |
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127 | if (empty($errors)) |
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128 | { |
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129 | $query = ' |
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130 | UPDATE ' . PLUGINS_TABLE . ' |
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131 | SET state=\'active\', version=\''.$this->fs_plugins[$plugin_id]['version'].'\' |
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132 | WHERE id=\'' . $plugin_id . '\''; |
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133 | pwg_query($query); |
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134 | } |
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135 | break; |
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136 | |
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137 | case 'deactivate': |
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138 | if (!isset($crt_db_plugin)) |
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139 | { |
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140 | die ('CANNOT DEACTIVATE - NOT INSTALLED'); |
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141 | } |
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142 | if ($crt_db_plugin['state'] != 'active') |
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143 | { |
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144 | die('invalid current state ' . $crt_db_plugin['state']); |
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145 | } |
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146 | $query = ' |
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147 | UPDATE ' . PLUGINS_TABLE . ' SET state=\'inactive\' WHERE id=\'' . $plugin_id . '\''; |
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148 | pwg_query($query); |
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149 | if (file_exists($file_to_include)) |
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150 | { |
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151 | include_once($file_to_include); |
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152 | if (function_exists('plugin_deactivate')) |
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153 | { |
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154 | plugin_deactivate($plugin_id); |
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155 | } |
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156 | } |
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157 | break; |
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158 | |
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159 | case 'uninstall': |
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160 | if (!isset($crt_db_plugin)) |
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161 | { |
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162 | die ('CANNOT UNINSTALL - NOT INSTALLED'); |
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163 | } |
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164 | $query = ' |
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165 | DELETE FROM ' . PLUGINS_TABLE . ' WHERE id=\'' . $plugin_id . '\''; |
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166 | pwg_query($query); |
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167 | if (file_exists($file_to_include)) |
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168 | { |
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169 | include_once($file_to_include); |
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170 | if (function_exists('plugin_uninstall')) |
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171 | { |
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172 | plugin_uninstall($plugin_id); |
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173 | } |
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174 | } |
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175 | break; |
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176 | |
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177 | case 'delete': |
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178 | if (!empty($crt_db_plugin)) |
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179 | { |
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180 | array_push($errors, 'CANNOT DELETE - PLUGIN IS INSTALLED'); |
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181 | break; |
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182 | } |
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183 | if (!isset($this->fs_plugins[$plugin_id])) |
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184 | { |
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185 | array_push($errors, 'CANNOT DELETE - NO SUCH PLUGIN'); |
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186 | break; |
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187 | } |
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188 | if (!$this->deltree(PHPWG_PLUGINS_PATH . $plugin_id)) |
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189 | { |
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190 | $this->send_to_trash(PHPWG_PLUGINS_PATH . $plugin_id); |
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191 | } |
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192 | break; |
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193 | } |
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194 | return $errors; |
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195 | } |
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196 | |
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197 | /** |
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198 | * Get plugins defined in the plugin directory |
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199 | */ |
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200 | function get_fs_plugins() |
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201 | { |
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202 | $dir = opendir(PHPWG_PLUGINS_PATH); |
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203 | while ($file = readdir($dir)) |
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204 | { |
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205 | if ($file!='.' and $file!='..') |
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206 | { |
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207 | $path = PHPWG_PLUGINS_PATH.$file; |
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208 | if (is_dir($path) and !is_link($path) |
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209 | and preg_match('/^[a-zA-Z0-9-_]+$/', $file ) |
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210 | and file_exists($path.'/main.inc.php') |
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211 | ) |
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212 | { |
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213 | $plugin = array( |
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214 | 'name'=>$file, |
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215 | 'version'=>'0', |
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216 | 'uri'=>'', |
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217 | 'description'=>'', |
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218 | 'author'=>'', |
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219 | ); |
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220 | $plg_data = implode( '', file($path.'/main.inc.php') ); |
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221 | |
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222 | if ( preg_match("|Plugin Name: (.*)|", $plg_data, $val) ) |
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223 | { |
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224 | $plugin['name'] = trim( $val[1] ); |
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225 | } |
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226 | if (preg_match("|Version: (.*)|", $plg_data, $val)) |
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227 | { |
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228 | $plugin['version'] = trim($val[1]); |
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229 | } |
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230 | if ( preg_match("|Plugin URI: (.*)|", $plg_data, $val) ) |
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231 | { |
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232 | $plugin['uri'] = trim($val[1]); |
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233 | } |
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234 | if ($desc = load_language('description.txt', $path.'/', array('return' => true))) |
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235 | { |
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236 | $plugin['description'] = trim($desc); |
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237 | } |
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238 | elseif ( preg_match("|Description: (.*)|", $plg_data, $val) ) |
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239 | { |
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240 | $plugin['description'] = trim($val[1]); |
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241 | } |
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242 | if ( preg_match("|Author: (.*)|", $plg_data, $val) ) |
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243 | { |
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244 | $plugin['author'] = trim($val[1]); |
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245 | } |
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246 | if ( preg_match("|Author URI: (.*)|", $plg_data, $val) ) |
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247 | { |
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248 | $plugin['author uri'] = trim($val[1]); |
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249 | } |
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250 | if (!empty($plugin['uri']) and strpos($plugin['uri'] , 'extension_view.php?eid=')) |
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251 | { |
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252 | list( , $extension) = explode('extension_view.php?eid=', $plugin['uri']); |
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253 | if (is_numeric($extension)) $plugin['extension'] = $extension; |
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254 | } |
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255 | // IMPORTANT SECURITY ! |
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256 | $plugin = array_map('htmlspecialchars', $plugin); |
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257 | $this->fs_plugins[$file] = $plugin; |
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258 | } |
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259 | } |
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260 | } |
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261 | closedir($dir); |
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262 | } |
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263 | |
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264 | /** |
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265 | * Sort fs_plugins |
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266 | */ |
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267 | function sort_fs_plugins($order='name') |
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268 | { |
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269 | switch ($order) |
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270 | { |
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271 | case 'name': |
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272 | uasort($this->fs_plugins, 'name_compare'); |
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273 | break; |
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274 | case 'status': |
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275 | $this->sort_plugins_by_state(); |
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276 | break; |
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277 | case 'author': |
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278 | uasort($this->fs_plugins, array($this, 'plugin_author_compare')); |
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279 | break; |
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280 | case 'id': |
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281 | uksort($this->fs_plugins, 'strcasecmp'); |
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282 | break; |
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283 | } |
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284 | } |
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285 | |
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286 | /** |
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287 | * Retrieve PEM server datas to $server_plugins |
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288 | */ |
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289 | function get_server_plugins($new=false) |
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290 | { |
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291 | global $user; |
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292 | |
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293 | $get_data = array( |
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294 | 'category_id' => 12, |
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295 | 'format' => 'php', |
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296 | ); |
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297 | |
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298 | // Retrieve PEM versions |
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299 | $version = PHPWG_VERSION; |
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300 | $versions_to_check = array(); |
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301 | $url = PEM_URL . '/api/get_version_list.php'; |
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302 | if (fetchRemote($url, $result, $get_data) and $pem_versions = @unserialize($result)) |
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303 | { |
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304 | if (!preg_match('/^\d+\.\d+\.\d+/', $version)) |
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305 | { |
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306 | $version = $pem_versions[0]['name']; |
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307 | } |
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308 | $branch = substr($version, 0, strrpos($version, '.')); |
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309 | foreach ($pem_versions as $pem_version) |
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310 | { |
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311 | if (strpos($pem_version['name'], $branch) === 0) |
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312 | { |
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313 | $versions_to_check[] = $pem_version['id']; |
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314 | } |
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315 | } |
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316 | } |
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317 | if (empty($versions_to_check)) |
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318 | { |
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319 | return false; |
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320 | } |
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321 | |
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322 | // Plugins to check |
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323 | $plugins_to_check = array(); |
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324 | foreach($this->fs_plugins as $fs_plugin) |
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325 | { |
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326 | if (isset($fs_plugin['extension'])) |
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327 | { |
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328 | $plugins_to_check[] = $fs_plugin['extension']; |
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329 | } |
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330 | } |
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331 | |
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332 | // Retrieve PEM plugins infos |
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333 | $url = PEM_URL . '/api/get_revision_list.php'; |
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334 | $get_data = array_merge($get_data, array( |
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335 | 'last_revision_only' => 'true', |
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336 | 'version' => implode(',', $versions_to_check), |
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337 | 'lang' => substr($user['language'], 0, 2), |
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338 | 'get_nb_downloads' => 'true', |
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339 | ) |
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340 | ); |
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341 | |
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342 | if (!empty($plugins_to_check)) |
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343 | { |
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344 | if ($new) |
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345 | { |
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346 | $get_data['extension_exclude'] = implode(',', $plugins_to_check); |
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347 | } |
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348 | else |
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349 | { |
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350 | $get_data['extension_include'] = implode(',', $plugins_to_check); |
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351 | } |
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352 | } |
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353 | if (fetchRemote($url, $result, $get_data)) |
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354 | { |
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355 | $pem_plugins = @unserialize($result); |
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356 | if (!is_array($pem_plugins)) |
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357 | { |
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358 | return false; |
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359 | } |
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360 | foreach ($pem_plugins as $plugin) |
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361 | { |
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362 | $this->server_plugins[$plugin['extension_id']] = $plugin; |
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363 | } |
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364 | return true; |
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365 | } |
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366 | return false; |
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367 | } |
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368 | |
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369 | /** |
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370 | * Sort $server_plugins |
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371 | */ |
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372 | function sort_server_plugins($order='date') |
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373 | { |
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374 | switch ($order) |
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375 | { |
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376 | case 'date': |
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377 | krsort($this->server_plugins); |
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378 | break; |
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379 | case 'revision': |
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380 | usort($this->server_plugins, array($this, 'extension_revision_compare')); |
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381 | break; |
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382 | case 'name': |
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383 | uasort($this->server_plugins, array($this, 'extension_name_compare')); |
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384 | break; |
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385 | case 'author': |
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386 | uasort($this->server_plugins, array($this, 'extension_author_compare')); |
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387 | break; |
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388 | case 'downloads': |
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389 | usort($this->server_plugins, array($this, 'extension_downloads_compare')); |
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390 | break; |
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391 | } |
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392 | } |
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393 | |
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394 | /** |
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395 | * Extract plugin files from archive |
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396 | * @param string - install or upgrade |
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397 | * @param string - archive URL |
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398 | * @param string - plugin id or extension id |
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399 | */ |
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400 | function extract_plugin_files($action, $revision, $dest) |
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401 | { |
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402 | if ($archive = tempnam( PHPWG_PLUGINS_PATH, 'zip')) |
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403 | { |
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404 | $url = PEM_URL . '/download.php'; |
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405 | $get_data = array( |
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406 | 'rid' => $revision, |
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407 | 'origin' => 'piwigo_'.$action, |
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408 | ); |
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409 | |
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410 | if ($handle = @fopen($archive, 'wb') and fetchRemote($url, $handle, $get_data)) |
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411 | { |
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412 | fclose($handle); |
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413 | include(PHPWG_ROOT_PATH.'admin/include/pclzip.lib.php'); |
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414 | $zip = new PclZip($archive); |
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415 | if ($list = $zip->listContent()) |
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416 | { |
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417 | foreach ($list as $file) |
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418 | { |
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419 | // we search main.inc.php in archive |
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420 | if (basename($file['filename']) == 'main.inc.php' |
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421 | and (!isset($main_filepath) |
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422 | or strlen($file['filename']) < strlen($main_filepath))) |
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423 | { |
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424 | $main_filepath = $file['filename']; |
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425 | } |
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426 | } |
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427 | if (isset($main_filepath)) |
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428 | { |
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429 | $root = dirname($main_filepath); // main.inc.php path in archive |
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430 | if ($action == 'upgrade') |
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431 | { |
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432 | $extract_path = PHPWG_PLUGINS_PATH . $dest; |
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433 | } |
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434 | else |
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435 | { |
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436 | $extract_path = PHPWG_PLUGINS_PATH |
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437 | . ($root == '.' ? 'extension_' . $dest : basename($root)); |
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438 | } |
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439 | if($result = $zip->extract(PCLZIP_OPT_PATH, $extract_path, |
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440 | PCLZIP_OPT_REMOVE_PATH, $root, |
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441 | PCLZIP_OPT_REPLACE_NEWER)) |
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442 | { |
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443 | foreach ($result as $file) |
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444 | { |
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445 | if ($file['stored_filename'] == $main_filepath) |
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446 | { |
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447 | $status = $file['status']; |
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448 | break; |
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449 | } |
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450 | } |
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451 | if (file_exists($extract_path.'/obsolete.list') |
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452 | and $old_files = file($extract_path.'/obsolete.list', FILE_IGNORE_NEW_LINES) |
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453 | and !empty($old_files)) |
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454 | { |
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455 | array_push($old_files, 'obsolete.list'); |
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456 | foreach($old_files as $old_file) |
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457 | { |
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458 | $path = $extract_path.'/'.$old_file; |
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459 | if (is_file($path)) |
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460 | { |
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461 | @unlink($path); |
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462 | } |
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463 | elseif (is_dir($path)) |
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464 | { |
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465 | if (!$this->deltree($path)) |
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466 | { |
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467 | $this->send_to_trash($path); |
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468 | } |
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469 | } |
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470 | } |
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471 | } |
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472 | } |
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473 | else $status = 'extract_error'; |
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474 | } |
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475 | else $status = 'archive_error'; |
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476 | } |
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477 | else $status = 'archive_error'; |
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478 | } |
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479 | else $status = 'dl_archive_error'; |
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480 | } |
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481 | else $status = 'temp_path_error'; |
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482 | |
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483 | @unlink($archive); |
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484 | return $status; |
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485 | } |
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486 | |
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487 | /** |
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488 | * delete $path directory |
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489 | * @param string - path |
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490 | */ |
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491 | function deltree($path) |
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492 | { |
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493 | if (is_dir($path)) |
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494 | { |
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495 | $fh = opendir($path); |
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496 | while ($file = readdir($fh)) |
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497 | { |
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498 | if ($file != '.' and $file != '..') |
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499 | { |
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500 | $pathfile = $path . '/' . $file; |
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501 | if (is_dir($pathfile)) |
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502 | { |
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503 | $this->deltree($pathfile); |
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504 | } |
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505 | else |
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506 | { |
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507 | @unlink($pathfile); |
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508 | } |
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509 | } |
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510 | } |
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511 | closedir($fh); |
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512 | return @rmdir($path); |
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513 | } |
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514 | } |
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515 | |
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516 | /** |
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517 | * send $path to trash directory |
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518 | * @param string - path |
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519 | */ |
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520 | function send_to_trash($path) |
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521 | { |
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522 | $trash_path = PHPWG_PLUGINS_PATH . 'trash'; |
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523 | if (!is_dir($trash_path)) |
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524 | { |
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525 | @mkdir($trash_path); |
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526 | $file = @fopen($trash_path . '/.htaccess', 'w'); |
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527 | @fwrite($file, 'deny from all'); |
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528 | @fclose($file); |
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529 | } |
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530 | while ($r = $trash_path . '/' . md5(uniqid(rand(), true))) |
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531 | { |
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532 | if (!is_dir($r)) |
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533 | { |
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534 | @rename($path, $r); |
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535 | break; |
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536 | } |
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537 | } |
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538 | } |
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539 | |
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540 | /** |
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541 | * Sort functions |
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542 | */ |
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543 | function plugin_version_compare($a, $b) |
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544 | { |
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545 | if (strtolower($a) == 'auto') return false; |
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546 | |
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547 | $pattern = array('/([a-z])/ei', '/\.+/', '/\.\Z|\A\./'); |
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548 | $replacement = array( "'.'.intval('\\1', 36).'.'", '.', ''); |
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549 | |
---|
550 | $array = preg_replace($pattern, $replacement, array($a, $b)); |
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551 | |
---|
552 | return version_compare($array[0], $array[1], '>='); |
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553 | } |
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554 | |
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555 | function extension_revision_compare($a, $b) |
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556 | { |
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557 | if ($a['revision_date'] < $b['revision_date']) return 1; |
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558 | else return -1; |
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559 | } |
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560 | |
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561 | function extension_name_compare($a, $b) |
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562 | { |
---|
563 | return strcmp(strtolower($a['extension_name']), strtolower($b['extension_name'])); |
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564 | } |
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565 | |
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566 | function extension_author_compare($a, $b) |
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567 | { |
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568 | $r = strcasecmp($a['author_name'], $b['author_name']); |
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569 | if ($r == 0) return $this->extension_name_compare($a, $b); |
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570 | else return $r; |
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571 | } |
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572 | |
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573 | function plugin_author_compare($a, $b) |
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574 | { |
---|
575 | $r = strcasecmp($a['author'], $b['author']); |
---|
576 | if ($r == 0) return name_compare($a, $b); |
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577 | else return $r; |
---|
578 | } |
---|
579 | |
---|
580 | function extension_downloads_compare($a, $b) |
---|
581 | { |
---|
582 | if ($a['extension_nb_downloads'] < $b['extension_nb_downloads']) return 1; |
---|
583 | else return -1; |
---|
584 | } |
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585 | |
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586 | function sort_plugins_by_state() |
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587 | { |
---|
588 | uasort($this->fs_plugins, 'name_compare'); |
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589 | |
---|
590 | $active_plugins = array(); |
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591 | $inactive_plugins = array(); |
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592 | $not_installed = array(); |
---|
593 | |
---|
594 | foreach($this->fs_plugins as $plugin_id => $plugin) |
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595 | { |
---|
596 | if (isset($this->db_plugins_by_id[$plugin_id])) |
---|
597 | { |
---|
598 | $this->db_plugins_by_id[$plugin_id]['state'] == 'active' ? |
---|
599 | $active_plugins[$plugin_id] = $plugin : $inactive_plugins[$plugin_id] = $plugin; |
---|
600 | } |
---|
601 | else |
---|
602 | { |
---|
603 | $not_installed[$plugin_id] = $plugin; |
---|
604 | } |
---|
605 | } |
---|
606 | $this->fs_plugins = $active_plugins + $inactive_plugins + $not_installed; |
---|
607 | } |
---|
608 | } |
---|
609 | ?> |
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