1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | Piwigo - a PHP based picture gallery | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | Copyright(C) 2008-2010 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 languages |
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25 | { |
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26 | var $fs_languages = array(); |
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27 | var $db_languages = array(); |
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28 | var $server_languages = array(); |
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29 | |
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30 | /** |
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31 | * Initialize $fs_languages and $db_languages |
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32 | */ |
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33 | function languages($target_charset = null) |
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34 | { |
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35 | $this->fs_languages = $this->get_fs_languages($target_charset); |
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36 | } |
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37 | |
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38 | /** |
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39 | * Perform requested actions |
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40 | * @param string - action |
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41 | * @param string - language id |
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42 | * @param array - errors |
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43 | */ |
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44 | function perform_action($action, $language_id) |
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45 | { |
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46 | global $conf; |
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47 | |
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48 | if (isset($this->db_languages[$language_id])) |
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49 | { |
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50 | $crt_db_language = $this->db_languages[$language_id]; |
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51 | } |
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52 | |
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53 | $errors = array(); |
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54 | |
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55 | switch ($action) |
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56 | { |
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57 | case 'activate': |
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58 | if (isset($crt_db_language)) |
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59 | { |
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60 | array_push($errors, 'CANNOT ACTIVATE - LANGUAGE IS ALREADY ACTIVATED'); |
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61 | break; |
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62 | } |
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63 | |
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64 | $query = " |
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65 | INSERT INTO ".LANGUAGES_TABLE." |
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66 | SET id = '".$language_id."', |
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67 | name = '".$this->fs_languages[$language_id]."' |
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68 | ;"; |
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69 | pwg_query($query); |
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70 | break; |
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71 | |
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72 | case 'deactivate': |
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73 | if (!isset($crt_db_language)) |
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74 | { |
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75 | array_push($errors, 'CANNOT DEACTIVATE - LANGUAGE IS ALREADY DEACTIVATED'); |
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76 | break; |
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77 | } |
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78 | |
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79 | if ($language_id == get_default_language()) |
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80 | { |
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81 | array_push($errors, 'CANNOT DEACTIVATE - LANGUAGE IS DEFAULT LANGUAGE'); |
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82 | break; |
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83 | } |
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84 | |
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85 | $query = " |
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86 | DELETE |
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87 | FROM ".LANGUAGES_TABLE." |
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88 | WHERE id= '".$language_id."' |
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89 | ;"; |
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90 | pwg_query($query); |
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91 | break; |
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92 | |
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93 | case 'delete': |
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94 | if (!empty($crt_db_language)) |
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95 | { |
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96 | array_push($errors, 'CANNOT DELETE - LANGUAGE IS ACTIVATED'); |
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97 | break; |
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98 | } |
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99 | if (!isset($this->fs_languages[$language_id])) |
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100 | { |
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101 | array_push($errors, 'CANNOT DELETE - LANGUAGE DOES NOT EXIST'); |
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102 | break; |
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103 | } |
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104 | |
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105 | // Set default language to user who are using this language |
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106 | $query = ' |
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107 | UPDATE '.USER_INFOS_TABLE.' |
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108 | SET language = "'.get_default_language().'" |
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109 | WHERE language = "'.$language_id.'" |
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110 | ;'; |
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111 | pwg_query($query); |
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112 | |
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113 | if (!$this->deltree(PHPWG_ROOT_PATH.'language/'.$language_id)) |
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114 | { |
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115 | $this->send_to_trash(PHPWG_ROOT_PATH.'language/'.$language_id); |
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116 | } |
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117 | break; |
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118 | |
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119 | case 'set_default': |
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120 | $query = ' |
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121 | UPDATE '.USER_INFOS_TABLE.' |
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122 | SET language = "'.$language_id.'" |
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123 | WHERE user_id = '.$conf['default_user_id'].' |
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124 | ;'; |
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125 | pwg_query($query); |
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126 | break; |
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127 | } |
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128 | return $errors; |
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129 | } |
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130 | |
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131 | /** |
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132 | * Get languages defined in the language directory |
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133 | */ |
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134 | function get_fs_languages($target_charset = null) |
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135 | { |
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136 | if ( empty($target_charset) ) |
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137 | { |
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138 | $target_charset = get_pwg_charset(); |
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139 | } |
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140 | $target_charset = strtolower($target_charset); |
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141 | |
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142 | $dir = opendir(PHPWG_ROOT_PATH.'language'); |
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143 | |
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144 | while ($file = readdir($dir)) |
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145 | { |
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146 | $path = PHPWG_ROOT_PATH.'language/'.$file; |
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147 | if (!is_link($path) and is_dir($path) and file_exists($path.'/iso.txt')) |
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148 | { |
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149 | list($language_name) = @file($path.'/iso.txt'); |
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150 | |
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151 | $languages[$file] = convert_charset($language_name, $target_charset); |
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152 | } |
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153 | } |
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154 | closedir($dir); |
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155 | @asort($languages); |
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156 | |
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157 | return $languages; |
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158 | } |
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159 | |
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160 | function get_db_languages() |
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161 | { |
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162 | $query = ' |
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163 | SELECT id, name |
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164 | FROM '.LANGUAGES_TABLE.' |
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165 | ORDER BY name ASC |
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166 | ;'; |
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167 | $result = pwg_query($query); |
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168 | |
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169 | while ($row = pwg_db_fetch_assoc($result)) |
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170 | { |
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171 | $this->db_languages[ $row['id'] ] = $row['name']; |
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172 | } |
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173 | } |
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174 | |
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175 | /** |
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176 | * delete $path directory |
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177 | * @param string - path |
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178 | */ |
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179 | function deltree($path) |
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180 | { |
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181 | if (is_dir($path)) |
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182 | { |
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183 | $fh = opendir($path); |
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184 | while ($file = readdir($fh)) |
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185 | { |
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186 | if ($file != '.' and $file != '..') |
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187 | { |
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188 | $pathfile = $path . '/' . $file; |
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189 | if (is_dir($pathfile)) |
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190 | { |
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191 | $this->deltree($pathfile); |
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192 | } |
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193 | else |
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194 | { |
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195 | @unlink($pathfile); |
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196 | } |
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197 | } |
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198 | } |
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199 | closedir($fh); |
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200 | return @rmdir($path); |
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201 | } |
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202 | } |
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203 | |
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204 | /** |
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205 | * send $path to trash directory |
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206 | * @param string - path |
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207 | */ |
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208 | function send_to_trash($path) |
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209 | { |
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210 | $trash_path = PHPWG_ROOT_PATH . 'language/trash'; |
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211 | if (!is_dir($trash_path)) |
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212 | { |
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213 | @mkdir($trash_path); |
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214 | $file = @fopen($trash_path . '/.htaccess', 'w'); |
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215 | @fwrite($file, 'deny from all'); |
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216 | @fclose($file); |
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217 | } |
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218 | while ($r = $trash_path . '/' . md5(uniqid(rand(), true))) |
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219 | { |
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220 | if (!is_dir($r)) |
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221 | { |
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222 | @rename($path, $r); |
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223 | break; |
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224 | } |
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225 | } |
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226 | } |
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227 | } |
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228 | ?> |
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