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 | include_once( PHPWG_ROOT_PATH .'include/functions_user.inc.php' ); |
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25 | include_once( PHPWG_ROOT_PATH .'include/functions_cookie.inc.php' ); |
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26 | include_once( PHPWG_ROOT_PATH .'include/functions_session.inc.php' ); |
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27 | include_once( PHPWG_ROOT_PATH .'include/functions_category.inc.php' ); |
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28 | include_once( PHPWG_ROOT_PATH .'include/functions_xml.inc.php' ); |
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29 | include_once( PHPWG_ROOT_PATH .'include/functions_html.inc.php' ); |
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30 | include_once( PHPWG_ROOT_PATH .'include/functions_tag.inc.php' ); |
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31 | include_once( PHPWG_ROOT_PATH .'include/functions_url.inc.php' ); |
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32 | include_once( PHPWG_ROOT_PATH .'include/functions_plugins.inc.php' ); |
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33 | |
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34 | //----------------------------------------------------------- generic functions |
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35 | |
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36 | // The function get_moment returns a float value coresponding to the number |
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37 | // of seconds since the unix epoch (1st January 1970) and the microseconds |
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38 | // are precised : e.g. 1052343429.89276600 |
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39 | function get_moment() |
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40 | { |
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41 | $t1 = explode( ' ', microtime() ); |
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42 | $t2 = explode( '.', $t1[0] ); |
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43 | $t2 = $t1[1].'.'.$t2[1]; |
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44 | return $t2; |
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45 | } |
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46 | |
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47 | // The function get_elapsed_time returns the number of seconds (with 3 |
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48 | // decimals precision) between the start time and the end time given. |
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49 | function get_elapsed_time( $start, $end ) |
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50 | { |
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51 | return number_format( $end - $start, 3, '.', ' ').' s'; |
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52 | } |
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53 | |
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54 | // - The replace_space function replaces space and '-' characters |
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55 | // by their HTML equivalent &nbsb; and − |
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56 | // - The function does not replace characters in HTML tags |
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57 | // - This function was created because IE5 does not respect the |
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58 | // CSS "white-space: nowrap;" property unless space and minus |
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59 | // characters are replaced like this function does. |
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60 | // - Example : |
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61 | // <div class="foo">My friend</div> |
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62 | // ( 01234567891111111111222222222233 ) |
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63 | // ( 0123456789012345678901 ) |
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64 | // becomes : |
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65 | // <div class="foo">My friend</div> |
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66 | function replace_space( $string ) |
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67 | { |
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68 | //return $string; |
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69 | $return_string = ''; |
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70 | // $remaining is the rest of the string where to replace spaces characters |
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71 | $remaining = $string; |
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72 | // $start represents the position of the next '<' character |
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73 | // $end represents the position of the next '>' character |
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74 | ; // -> 0 |
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75 | $end = strpos ( $remaining, '>' ); // -> 16 |
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76 | // as long as a '<' and his friend '>' are found, we loop |
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77 | while ( ($start=strpos( $remaining, '<' )) !==false |
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78 | and ($end=strpos( $remaining, '>' )) !== false ) |
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79 | { |
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80 | // $treatment is the part of the string to treat |
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81 | // In the first loop of our example, this variable is empty, but in the |
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82 | // second loop, it equals 'My friend' |
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83 | $treatment = substr ( $remaining, 0, $start ); |
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84 | // Replacement of ' ' by his equivalent ' ' |
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85 | $treatment = str_replace( ' ', ' ', $treatment ); |
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86 | $treatment = str_replace( '-', '−', $treatment ); |
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87 | // composing the string to return by adding the treated string and the |
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88 | // following HTML tag -> 'My friend</div>' |
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89 | $return_string.= $treatment.substr( $remaining, $start, $end-$start+1 ); |
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90 | // the remaining string is deplaced to the part after the '>' of this |
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91 | // loop |
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92 | $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); |
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93 | } |
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94 | $treatment = str_replace( ' ', ' ', $remaining ); |
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95 | $treatment = str_replace( '-', '−', $treatment ); |
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96 | $return_string.= $treatment; |
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97 | |
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98 | return $return_string; |
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99 | } |
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100 | |
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101 | // get_extension returns the part of the string after the last "." |
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102 | function get_extension( $filename ) |
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103 | { |
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104 | return substr( strrchr( $filename, '.' ), 1, strlen ( $filename ) ); |
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105 | } |
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106 | |
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107 | // get_filename_wo_extension returns the part of the string before the last |
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108 | // ".". |
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109 | // get_filename_wo_extension( 'test.tar.gz' ) -> 'test.tar' |
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110 | function get_filename_wo_extension( $filename ) |
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111 | { |
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112 | $pos = strrpos( $filename, '.' ); |
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113 | return ($pos===false) ? $filename : substr( $filename, 0, $pos); |
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114 | } |
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115 | |
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116 | /** |
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117 | * returns an array contening sub-directories, excluding ".svn" |
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118 | * |
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119 | * @param string $dir |
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120 | * @return array |
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121 | */ |
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122 | function get_dirs($directory) |
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123 | { |
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124 | $sub_dirs = array(); |
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125 | if ($opendir = opendir($directory)) |
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126 | { |
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127 | while ($file = readdir($opendir)) |
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128 | { |
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129 | if ($file != '.' |
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130 | and $file != '..' |
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131 | and is_dir($directory.'/'.$file) |
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132 | and $file != '.svn') |
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133 | { |
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134 | array_push($sub_dirs, $file); |
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135 | } |
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136 | } |
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137 | closedir($opendir); |
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138 | } |
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139 | return $sub_dirs; |
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140 | } |
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141 | |
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142 | define('MKGETDIR_NONE', 0); |
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143 | define('MKGETDIR_RECURSIVE', 1); |
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144 | define('MKGETDIR_DIE_ON_ERROR', 2); |
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145 | define('MKGETDIR_PROTECT_INDEX', 4); |
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146 | define('MKGETDIR_PROTECT_HTACCESS', 8); |
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147 | define('MKGETDIR_DEFAULT', 7); |
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148 | /** |
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149 | * creates directory if not exists; ensures that directory is writable |
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150 | * @param: |
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151 | * string $dir |
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152 | * int $flags combination of MKGETDIR_xxx |
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153 | * @return bool false on error else true |
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154 | */ |
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155 | function mkgetdir($dir, $flags=MKGETDIR_DEFAULT) |
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156 | { |
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157 | if ( !is_dir($dir) ) |
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158 | { |
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159 | if (substr(PHP_OS, 0, 3) == 'WIN') |
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160 | { |
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161 | $dir = str_replace('/', DIRECTORY_SEPARATOR, $dir); |
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162 | } |
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163 | $umask = umask(0); |
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164 | $mkd = @mkdir($dir, 0755, ($flags&MKGETDIR_RECURSIVE) ? true:false ); |
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165 | umask($umask); |
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166 | if ($mkd==false) |
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167 | { |
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168 | !($flags&MKGETDIR_DIE_ON_ERROR) or fatal_error( "$dir ".l10n('no write access')); |
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169 | return false; |
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170 | } |
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171 | if( $flags&MKGETDIR_PROTECT_HTACCESS ) |
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172 | { |
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173 | $file = $dir.'/.htaccess'; |
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174 | file_exists($file) or @file_put_contents( $file, 'deny from all' ); |
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175 | } |
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176 | if( $flags&MKGETDIR_PROTECT_INDEX ) |
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177 | { |
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178 | $file = $dir.'/index.htm'; |
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179 | file_exists($file) or @file_put_contents( $file, 'Not allowed!' ); |
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180 | } |
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181 | } |
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182 | if ( !is_writable($dir) ) |
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183 | { |
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184 | !($flags&MKGETDIR_DIE_ON_ERROR) or fatal_error( "$dir ".l10n('no write access')); |
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185 | return false; |
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186 | } |
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187 | return true; |
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188 | } |
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189 | |
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190 | /** |
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191 | * returns thumbnail directory name of input diretoty name |
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192 | * make thumbnail directory is necessary |
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193 | * set error messages on array messages |
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194 | * |
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195 | * @param: |
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196 | * string $dirname |
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197 | * arrayy $errors |
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198 | * @return bool false on error else string directory name |
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199 | */ |
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200 | function mkget_thumbnail_dir($dirname, &$errors) |
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201 | { |
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202 | global $conf; |
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203 | |
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204 | $tndir = $dirname.'/'.$conf['dir_thumbnail']; |
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205 | if (! mkgetdir($tndir, MKGETDIR_NONE) ) |
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206 | { |
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207 | array_push($errors, |
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208 | '['.$dirname.'] : '.l10n('no write access')); |
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209 | return false; |
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210 | } |
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211 | return $tndir; |
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212 | } |
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213 | |
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214 | /* Returns true if the string appears to be encoded in UTF-8. (from wordpress) |
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215 | * @param string Str |
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216 | */ |
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217 | function seems_utf8($Str) { # by bmorel at ssi dot fr |
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218 | for ($i=0; $i<strlen($Str); $i++) { |
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219 | if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb |
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220 | elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb |
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221 | elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb |
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222 | elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb |
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223 | elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb |
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224 | elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b |
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225 | else return false; # Does not match any model |
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226 | for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? |
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227 | if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80)) |
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228 | return false; |
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229 | } |
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230 | } |
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231 | return true; |
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232 | } |
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233 | |
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234 | /* Remove accents from a UTF-8 or ISO-859-1 string (from wordpress) |
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235 | * @param string sstring - an UTF-8 or ISO-8859-1 string |
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236 | */ |
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237 | function remove_accents($string) |
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238 | { |
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239 | if ( !preg_match('/[\x80-\xff]/', $string) ) |
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240 | return $string; |
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241 | |
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242 | if (seems_utf8($string)) { |
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243 | $chars = array( |
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244 | // Decompositions for Latin-1 Supplement |
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245 | "\xc3\x80"=>'A', "\xc3\x81"=>'A', |
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246 | "\xc3\x82"=>'A', "\xc3\x83"=>'A', |
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247 | "\xc3\x84"=>'A', "\xc3\x85"=>'A', |
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248 | "\xc3\x87"=>'C', "\xc3\x88"=>'E', |
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249 | "\xc3\x89"=>'E', "\xc3\x8a"=>'E', |
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250 | "\xc3\x8b"=>'E', "\xc3\x8c"=>'I', |
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251 | "\xc3\x8d"=>'I', "\xc3\x8e"=>'I', |
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252 | "\xc3\x8f"=>'I', "\xc3\x91"=>'N', |
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253 | "\xc3\x92"=>'O', "\xc3\x93"=>'O', |
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254 | "\xc3\x94"=>'O', "\xc3\x95"=>'O', |
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255 | "\xc3\x96"=>'O', "\xc3\x99"=>'U', |
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256 | "\xc3\x9a"=>'U', "\xc3\x9b"=>'U', |
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257 | "\xc3\x9c"=>'U', "\xc3\x9d"=>'Y', |
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258 | "\xc3\x9f"=>'s', "\xc3\xa0"=>'a', |
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259 | "\xc3\xa1"=>'a', "\xc3\xa2"=>'a', |
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260 | "\xc3\xa3"=>'a', "\xc3\xa4"=>'a', |
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261 | "\xc3\xa5"=>'a', "\xc3\xa7"=>'c', |
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262 | "\xc3\xa8"=>'e', "\xc3\xa9"=>'e', |
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263 | "\xc3\xaa"=>'e', "\xc3\xab"=>'e', |
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264 | "\xc3\xac"=>'i', "\xc3\xad"=>'i', |
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265 | "\xc3\xae"=>'i', "\xc3\xaf"=>'i', |
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266 | "\xc3\xb1"=>'n', "\xc3\xb2"=>'o', |
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267 | "\xc3\xb3"=>'o', "\xc3\xb4"=>'o', |
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268 | "\xc3\xb5"=>'o', "\xc3\xb6"=>'o', |
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269 | "\xc3\xb9"=>'u', "\xc3\xba"=>'u', |
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270 | "\xc3\xbb"=>'u', "\xc3\xbc"=>'u', |
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271 | "\xc3\xbd"=>'y', "\xc3\xbf"=>'y', |
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272 | // Decompositions for Latin Extended-A |
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273 | "\xc4\x80"=>'A', "\xc4\x81"=>'a', |
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274 | "\xc4\x82"=>'A', "\xc4\x83"=>'a', |
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275 | "\xc4\x84"=>'A', "\xc4\x85"=>'a', |
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276 | "\xc4\x86"=>'C', "\xc4\x87"=>'c', |
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277 | "\xc4\x88"=>'C', "\xc4\x89"=>'c', |
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278 | "\xc4\x8a"=>'C', "\xc4\x8b"=>'c', |
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279 | "\xc4\x8c"=>'C', "\xc4\x8d"=>'c', |
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280 | "\xc4\x8e"=>'D', "\xc4\x8f"=>'d', |
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281 | "\xc4\x90"=>'D', "\xc4\x91"=>'d', |
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282 | "\xc4\x92"=>'E', "\xc4\x93"=>'e', |
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283 | "\xc4\x94"=>'E', "\xc4\x95"=>'e', |
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284 | "\xc4\x96"=>'E', "\xc4\x97"=>'e', |
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285 | "\xc4\x98"=>'E', "\xc4\x99"=>'e', |
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286 | "\xc4\x9a"=>'E', "\xc4\x9b"=>'e', |
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287 | "\xc4\x9c"=>'G', "\xc4\x9d"=>'g', |
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288 | "\xc4\x9e"=>'G', "\xc4\x9f"=>'g', |
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289 | "\xc4\xa0"=>'G', "\xc4\xa1"=>'g', |
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290 | "\xc4\xa2"=>'G', "\xc4\xa3"=>'g', |
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291 | "\xc4\xa4"=>'H', "\xc4\xa5"=>'h', |
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292 | "\xc4\xa6"=>'H', "\xc4\xa7"=>'h', |
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293 | "\xc4\xa8"=>'I', "\xc4\xa9"=>'i', |
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294 | "\xc4\xaa"=>'I', "\xc4\xab"=>'i', |
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295 | "\xc4\xac"=>'I', "\xc4\xad"=>'i', |
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296 | "\xc4\xae"=>'I', "\xc4\xaf"=>'i', |
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297 | "\xc4\xb0"=>'I', "\xc4\xb1"=>'i', |
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298 | "\xc4\xb2"=>'IJ', "\xc4\xb3"=>'ij', |
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299 | "\xc4\xb4"=>'J', "\xc4\xb5"=>'j', |
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300 | "\xc4\xb6"=>'K', "\xc4\xb7"=>'k', |
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301 | "\xc4\xb8"=>'k', "\xc4\xb9"=>'L', |
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302 | "\xc4\xba"=>'l', "\xc4\xbb"=>'L', |
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303 | "\xc4\xbc"=>'l', "\xc4\xbd"=>'L', |
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304 | "\xc4\xbe"=>'l', "\xc4\xbf"=>'L', |
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305 | "\xc5\x80"=>'l', "\xc5\x81"=>'L', |
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306 | "\xc5\x82"=>'l', "\xc5\x83"=>'N', |
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307 | "\xc5\x84"=>'n', "\xc5\x85"=>'N', |
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308 | "\xc5\x86"=>'n', "\xc5\x87"=>'N', |
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309 | "\xc5\x88"=>'n', "\xc5\x89"=>'N', |
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310 | "\xc5\x8a"=>'n', "\xc5\x8b"=>'N', |
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311 | "\xc5\x8c"=>'O', "\xc5\x8d"=>'o', |
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312 | "\xc5\x8e"=>'O', "\xc5\x8f"=>'o', |
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313 | "\xc5\x90"=>'O', "\xc5\x91"=>'o', |
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314 | "\xc5\x92"=>'OE', "\xc5\x93"=>'oe', |
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315 | "\xc5\x94"=>'R', "\xc5\x95"=>'r', |
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316 | "\xc5\x96"=>'R', "\xc5\x97"=>'r', |
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317 | "\xc5\x98"=>'R', "\xc5\x99"=>'r', |
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318 | "\xc5\x9a"=>'S', "\xc5\x9b"=>'s', |
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319 | "\xc5\x9c"=>'S', "\xc5\x9d"=>'s', |
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320 | "\xc5\x9e"=>'S', "\xc5\x9f"=>'s', |
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321 | "\xc5\xa0"=>'S', "\xc5\xa1"=>'s', |
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322 | "\xc5\xa2"=>'T', "\xc5\xa3"=>'t', |
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323 | "\xc5\xa4"=>'T', "\xc5\xa5"=>'t', |
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324 | "\xc5\xa6"=>'T', "\xc5\xa7"=>'t', |
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325 | "\xc5\xa8"=>'U', "\xc5\xa9"=>'u', |
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326 | "\xc5\xaa"=>'U', "\xc5\xab"=>'u', |
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327 | "\xc5\xac"=>'U', "\xc5\xad"=>'u', |
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328 | "\xc5\xae"=>'U', "\xc5\xaf"=>'u', |
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329 | "\xc5\xb0"=>'U', "\xc5\xb1"=>'u', |
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330 | "\xc5\xb2"=>'U', "\xc5\xb3"=>'u', |
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331 | "\xc5\xb4"=>'W', "\xc5\xb5"=>'w', |
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332 | "\xc5\xb6"=>'Y', "\xc5\xb7"=>'y', |
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333 | "\xc5\xb8"=>'Y', "\xc5\xb9"=>'Z', |
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334 | "\xc5\xba"=>'z', "\xc5\xbb"=>'Z', |
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335 | "\xc5\xbc"=>'z', "\xc5\xbd"=>'Z', |
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336 | "\xc5\xbe"=>'z', "\xc5\xbf"=>'s', |
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337 | // Euro Sign |
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338 | "\xe2\x82\xac"=>'E', |
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339 | // GBP (Pound) Sign |
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340 | "\xc2\xa3"=>''); |
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341 | |
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342 | $string = strtr($string, $chars); |
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343 | } else { |
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344 | // Assume ISO-8859-1 if not UTF-8 |
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345 | $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) |
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346 | .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) |
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347 | .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202) |
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348 | .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210) |
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349 | .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218) |
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350 | .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227) |
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351 | .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235) |
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352 | .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243) |
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353 | .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251) |
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354 | .chr(252).chr(253).chr(255); |
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355 | |
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356 | $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; |
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357 | |
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358 | $string = strtr($string, $chars['in'], $chars['out']); |
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359 | $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); |
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360 | $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); |
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361 | $string = str_replace($double_chars['in'], $double_chars['out'], $string); |
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362 | } |
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363 | |
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364 | return $string; |
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365 | } |
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366 | |
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367 | /** |
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368 | * simplify a string to insert it into an URL |
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369 | * |
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370 | * @param string |
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371 | * @return string |
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372 | */ |
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373 | function str2url($str) |
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374 | { |
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375 | $raw = $str; |
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376 | |
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377 | $str = remove_accents($str); |
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378 | $str = preg_replace('/[^a-z0-9_\s\'\:\/\[\],-]/','',strtolower($str)); |
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379 | $str = preg_replace('/[\s\'\:\/\[\],-]+/',' ',trim($str)); |
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380 | $res = str_replace(' ','_',$str); |
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381 | |
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382 | if (empty($res)) |
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383 | { |
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384 | $res = $raw; |
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385 | } |
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386 | |
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387 | return $res; |
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388 | } |
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389 | |
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390 | //-------------------------------------------- Piwigo specific functions |
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391 | |
---|
392 | /** |
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393 | * returns an array with a list of {language_code => language_name} |
---|
394 | * |
---|
395 | * @returns array |
---|
396 | */ |
---|
397 | function get_languages() |
---|
398 | { |
---|
399 | $query = ' |
---|
400 | SELECT id, name |
---|
401 | FROM '.LANGUAGES_TABLE.' |
---|
402 | ORDER BY name ASC |
---|
403 | ;'; |
---|
404 | $result = pwg_query($query); |
---|
405 | |
---|
406 | $languages = array(); |
---|
407 | while ($row = pwg_db_fetch_assoc($result)) |
---|
408 | { |
---|
409 | if (is_dir(PHPWG_ROOT_PATH.'language/'.$row['id'])) |
---|
410 | { |
---|
411 | $languages[ $row['id'] ] = $row['name']; |
---|
412 | } |
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413 | } |
---|
414 | |
---|
415 | return $languages; |
---|
416 | } |
---|
417 | |
---|
418 | function pwg_log($image_id = null, $image_type = null) |
---|
419 | { |
---|
420 | global $conf, $user, $page; |
---|
421 | |
---|
422 | $do_log = $conf['log']; |
---|
423 | if (is_admin()) |
---|
424 | { |
---|
425 | $do_log = $conf['history_admin']; |
---|
426 | } |
---|
427 | if (is_a_guest()) |
---|
428 | { |
---|
429 | $do_log = $conf['history_guest']; |
---|
430 | } |
---|
431 | |
---|
432 | $do_log = trigger_event('pwg_log_allowed', $do_log, $image_id, $image_type); |
---|
433 | |
---|
434 | if (!$do_log) |
---|
435 | { |
---|
436 | return false; |
---|
437 | } |
---|
438 | |
---|
439 | $tags_string = null; |
---|
440 | if ('tags'==@$page['section']) |
---|
441 | { |
---|
442 | $tags_string = implode(',', $page['tag_ids']); |
---|
443 | } |
---|
444 | |
---|
445 | $query = ' |
---|
446 | INSERT INTO '.HISTORY_TABLE.' |
---|
447 | ( |
---|
448 | date, |
---|
449 | time, |
---|
450 | user_id, |
---|
451 | IP, |
---|
452 | section, |
---|
453 | category_id, |
---|
454 | image_id, |
---|
455 | image_type, |
---|
456 | tag_ids |
---|
457 | ) |
---|
458 | VALUES |
---|
459 | ( |
---|
460 | CURRENT_DATE, |
---|
461 | CURRENT_TIME, |
---|
462 | '.$user['id'].', |
---|
463 | \''.$_SERVER['REMOTE_ADDR'].'\', |
---|
464 | '.(isset($page['section']) ? "'".$page['section']."'" : 'NULL').', |
---|
465 | '.(isset($page['category']['id']) ? $page['category']['id'] : 'NULL').', |
---|
466 | '.(isset($image_id) ? $image_id : 'NULL').', |
---|
467 | '.(isset($image_type) ? "'".$image_type."'" : 'NULL').', |
---|
468 | '.(isset($tags_string) ? "'".$tags_string."'" : 'NULL').' |
---|
469 | ) |
---|
470 | ;'; |
---|
471 | pwg_query($query); |
---|
472 | |
---|
473 | return true; |
---|
474 | } |
---|
475 | |
---|
476 | // format_date returns a formatted date for display. The date given in |
---|
477 | // argument must be an american format (2003-09-15). By option, you can show the time. |
---|
478 | // The output is internationalized. |
---|
479 | // |
---|
480 | // format_date( "2003-09-15", true ) -> "Monday 15 September 2003 21:52" |
---|
481 | function format_date($date, $show_time = false) |
---|
482 | { |
---|
483 | global $lang; |
---|
484 | |
---|
485 | if (strpos($date, '0') == 0) |
---|
486 | { |
---|
487 | return l10n('N/A'); |
---|
488 | } |
---|
489 | |
---|
490 | $ymdhms = array(); |
---|
491 | $tok = strtok( $date, '- :'); |
---|
492 | while ($tok !== false) |
---|
493 | { |
---|
494 | $ymdhms[] = $tok; |
---|
495 | $tok = strtok('- :'); |
---|
496 | } |
---|
497 | |
---|
498 | if ( count($ymdhms)<3 ) |
---|
499 | { |
---|
500 | return false; |
---|
501 | } |
---|
502 | |
---|
503 | $formated_date = ''; |
---|
504 | // before 1970, Microsoft Windows can't mktime |
---|
505 | if ($ymdhms[0] >= 1970) |
---|
506 | { |
---|
507 | // we ask midday because Windows think it's prior to midnight with a |
---|
508 | // zero and refuse to work |
---|
509 | $formated_date.= $lang['day'][date('w', mktime(12,0,0,$ymdhms[1],$ymdhms[2],$ymdhms[0]))]; |
---|
510 | } |
---|
511 | $formated_date.= ' '.$ymdhms[2]; |
---|
512 | $formated_date.= ' '.$lang['month'][(int)$ymdhms[1]]; |
---|
513 | $formated_date.= ' '.$ymdhms[0]; |
---|
514 | if ($show_time and count($ymdhms)>=5 ) |
---|
515 | { |
---|
516 | $formated_date.= ' '.$ymdhms[3].':'.$ymdhms[4]; |
---|
517 | } |
---|
518 | return $formated_date; |
---|
519 | } |
---|
520 | |
---|
521 | function pwg_debug( $string ) |
---|
522 | { |
---|
523 | global $debug,$t2,$page; |
---|
524 | |
---|
525 | $now = explode( ' ', microtime() ); |
---|
526 | $now2 = explode( '.', $now[0] ); |
---|
527 | $now2 = $now[1].'.'.$now2[1]; |
---|
528 | $time = number_format( $now2 - $t2, 3, '.', ' ').' s'; |
---|
529 | $debug .= '<p>'; |
---|
530 | $debug.= '['.$time.', '; |
---|
531 | $debug.= $page['count_queries'].' queries] : '.$string; |
---|
532 | $debug.= "</p>\n"; |
---|
533 | } |
---|
534 | |
---|
535 | /** |
---|
536 | * Redirects to the given URL (HTTP method) |
---|
537 | * |
---|
538 | * Note : once this function called, the execution doesn't go further |
---|
539 | * (presence of an exit() instruction. |
---|
540 | * |
---|
541 | * @param string $url |
---|
542 | * @return void |
---|
543 | */ |
---|
544 | function redirect_http( $url ) |
---|
545 | { |
---|
546 | if (ob_get_length () !== FALSE) |
---|
547 | { |
---|
548 | ob_clean(); |
---|
549 | } |
---|
550 | // default url is on html format |
---|
551 | $url = html_entity_decode($url); |
---|
552 | header('Request-URI: '.$url); |
---|
553 | header('Content-Location: '.$url); |
---|
554 | header('Location: '.$url); |
---|
555 | exit(); |
---|
556 | } |
---|
557 | |
---|
558 | /** |
---|
559 | * Redirects to the given URL (HTML method) |
---|
560 | * |
---|
561 | * Note : once this function called, the execution doesn't go further |
---|
562 | * (presence of an exit() instruction. |
---|
563 | * |
---|
564 | * @param string $url |
---|
565 | * @param string $title_msg |
---|
566 | * @param integer $refreh_time |
---|
567 | * @return void |
---|
568 | */ |
---|
569 | function redirect_html( $url , $msg = '', $refresh_time = 0) |
---|
570 | { |
---|
571 | global $user, $template, $lang_info, $conf, $lang, $t2, $page, $debug; |
---|
572 | |
---|
573 | if (!isset($lang_info) || !isset($template) ) |
---|
574 | { |
---|
575 | $user = build_user( $conf['guest_id'], true); |
---|
576 | load_language('common.lang'); |
---|
577 | trigger_action('loading_lang'); |
---|
578 | load_language('lang', PHPWG_ROOT_PATH.'local/', array('no_fallback'=>true, 'local'=>true) ); |
---|
579 | $template = new Template(PHPWG_ROOT_PATH.'themes', get_default_theme()); |
---|
580 | } |
---|
581 | elseif (defined('IN_ADMIN') and IN_ADMIN) |
---|
582 | { |
---|
583 | $template = new Template(PHPWG_ROOT_PATH.'themes', get_default_theme()); |
---|
584 | } |
---|
585 | |
---|
586 | if (empty($msg)) |
---|
587 | { |
---|
588 | $msg = nl2br(l10n('Redirection...')); |
---|
589 | } |
---|
590 | |
---|
591 | $refresh = $refresh_time; |
---|
592 | $url_link = $url; |
---|
593 | $title = 'redirection'; |
---|
594 | |
---|
595 | $template->set_filenames( array( 'redirect' => 'redirect.tpl' ) ); |
---|
596 | |
---|
597 | include( PHPWG_ROOT_PATH.'include/page_header.php' ); |
---|
598 | |
---|
599 | $template->set_filenames( array( 'redirect' => 'redirect.tpl' ) ); |
---|
600 | $template->assign('REDIRECT_MSG', $msg); |
---|
601 | |
---|
602 | $template->parse('redirect'); |
---|
603 | |
---|
604 | include( PHPWG_ROOT_PATH.'include/page_tail.php' ); |
---|
605 | |
---|
606 | exit(); |
---|
607 | } |
---|
608 | |
---|
609 | /** |
---|
610 | * Redirects to the given URL (Switch to HTTP method or HTML method) |
---|
611 | * |
---|
612 | * Note : once this function called, the execution doesn't go further |
---|
613 | * (presence of an exit() instruction. |
---|
614 | * |
---|
615 | * @param string $url |
---|
616 | * @param string $title_msg |
---|
617 | * @param integer $refreh_time |
---|
618 | * @return void |
---|
619 | */ |
---|
620 | function redirect( $url , $msg = '', $refresh_time = 0) |
---|
621 | { |
---|
622 | global $conf; |
---|
623 | |
---|
624 | // with RefeshTime <> 0, only html must be used |
---|
625 | if ($conf['default_redirect_method']=='http' |
---|
626 | and $refresh_time==0 |
---|
627 | and !headers_sent() |
---|
628 | ) |
---|
629 | { |
---|
630 | redirect_http($url); |
---|
631 | } |
---|
632 | else |
---|
633 | { |
---|
634 | redirect_html($url, $msg, $refresh_time); |
---|
635 | } |
---|
636 | } |
---|
637 | |
---|
638 | /** |
---|
639 | * returns $_SERVER['QUERY_STRING'] whitout keys given in parameters |
---|
640 | * |
---|
641 | * @param array $rejects |
---|
642 | * @param boolean $escape - if true escape & to & (for html) |
---|
643 | * @returns string |
---|
644 | */ |
---|
645 | function get_query_string_diff($rejects=array(), $escape=true) |
---|
646 | { |
---|
647 | $query_string = ''; |
---|
648 | |
---|
649 | $str = $_SERVER['QUERY_STRING']; |
---|
650 | parse_str($str, $vars); |
---|
651 | |
---|
652 | $is_first = true; |
---|
653 | foreach ($vars as $key => $value) |
---|
654 | { |
---|
655 | if (!in_array($key, $rejects)) |
---|
656 | { |
---|
657 | $query_string.= $is_first ? '?' : ($escape ? '&' : '&' ); |
---|
658 | $is_first = false; |
---|
659 | $query_string.= $key.'='.$value; |
---|
660 | } |
---|
661 | } |
---|
662 | |
---|
663 | return $query_string; |
---|
664 | } |
---|
665 | |
---|
666 | function url_is_remote($url) |
---|
667 | { |
---|
668 | if ( strncmp($url, 'http://', 7)==0 |
---|
669 | or strncmp($url, 'https://', 8)==0 ) |
---|
670 | { |
---|
671 | return true; |
---|
672 | } |
---|
673 | return false; |
---|
674 | } |
---|
675 | |
---|
676 | /** |
---|
677 | * returns available themes |
---|
678 | */ |
---|
679 | function get_pwg_themes() |
---|
680 | { |
---|
681 | global $conf; |
---|
682 | |
---|
683 | $themes = array(); |
---|
684 | |
---|
685 | $query = ' |
---|
686 | SELECT |
---|
687 | id, |
---|
688 | name |
---|
689 | FROM '.THEMES_TABLE.' |
---|
690 | ORDER BY name ASC |
---|
691 | ;'; |
---|
692 | $result = pwg_query($query); |
---|
693 | while ($row = pwg_db_fetch_assoc($result)) |
---|
694 | { |
---|
695 | if (check_theme_installed($row['id'])) |
---|
696 | { |
---|
697 | $themes[ $row['id'] ] = $row['name']; |
---|
698 | } |
---|
699 | } |
---|
700 | |
---|
701 | // plugins want remove some themes based on user status maybe? |
---|
702 | $themes = trigger_event('get_pwg_themes', $themes); |
---|
703 | |
---|
704 | return $themes; |
---|
705 | } |
---|
706 | |
---|
707 | function check_theme_installed($theme_id) |
---|
708 | { |
---|
709 | global $conf; |
---|
710 | |
---|
711 | return file_exists($conf['themes_dir'].'/'.$theme_id.'/'.'themeconf.inc.php'); |
---|
712 | } |
---|
713 | |
---|
714 | /* Returns the PATH to the thumbnail to be displayed. If the element does not |
---|
715 | * have a thumbnail, the default mime image path is returned. The PATH can be |
---|
716 | * used in the php script, but not sent to the browser. |
---|
717 | * @param array element_info assoc array containing element info from db |
---|
718 | * at least 'path', 'tn_ext' and 'id' should be present |
---|
719 | */ |
---|
720 | function get_thumbnail_path($element_info) |
---|
721 | { |
---|
722 | $path = get_thumbnail_location($element_info); |
---|
723 | if ( !url_is_remote($path) ) |
---|
724 | { |
---|
725 | $path = PHPWG_ROOT_PATH.$path; |
---|
726 | } |
---|
727 | return $path; |
---|
728 | } |
---|
729 | |
---|
730 | /* Returns the URL of the thumbnail to be displayed. If the element does not |
---|
731 | * have a thumbnail, the default mime image url is returned. The URL can be |
---|
732 | * sent to the browser, but not used in the php script. |
---|
733 | * @param array element_info assoc array containing element info from db |
---|
734 | * at least 'path', 'tn_ext' and 'id' should be present |
---|
735 | */ |
---|
736 | function get_thumbnail_url($element_info) |
---|
737 | { |
---|
738 | $path = get_thumbnail_location($element_info); |
---|
739 | if ( !url_is_remote($path) ) |
---|
740 | { |
---|
741 | $path = embellish_url(get_root_url().$path); |
---|
742 | } |
---|
743 | |
---|
744 | // plugins want another url ? |
---|
745 | $path = trigger_event('get_thumbnail_url', $path, $element_info); |
---|
746 | return $path; |
---|
747 | } |
---|
748 | |
---|
749 | /* returns the relative path of the thumnail with regards to to the root |
---|
750 | of piwigo (not the current page!).This function is not intended to be |
---|
751 | called directly from code.*/ |
---|
752 | function get_thumbnail_location($element_info) |
---|
753 | { |
---|
754 | global $conf; |
---|
755 | if ( !empty( $element_info['tn_ext'] ) ) |
---|
756 | { |
---|
757 | $path = substr_replace( |
---|
758 | get_filename_wo_extension($element_info['path']), |
---|
759 | '/'.$conf['dir_thumbnail'].'/'.$conf['prefix_thumbnail'], |
---|
760 | strrpos($element_info['path'],'/'), |
---|
761 | 1 |
---|
762 | ); |
---|
763 | $path.= '.'.$element_info['tn_ext']; |
---|
764 | } |
---|
765 | else |
---|
766 | { |
---|
767 | $path = get_themeconf('mime_icon_dir') |
---|
768 | .strtolower(get_extension($element_info['path'])).'.png'; |
---|
769 | } |
---|
770 | |
---|
771 | // plugins want another location ? |
---|
772 | $path = trigger_event( 'get_thumbnail_location', $path, $element_info); |
---|
773 | return $path; |
---|
774 | } |
---|
775 | |
---|
776 | /* returns the title of the thumnail */ |
---|
777 | function get_thumbnail_title($element_info) |
---|
778 | { |
---|
779 | // message in title for the thumbnail |
---|
780 | if (isset($element_info['file'])) |
---|
781 | { |
---|
782 | $thumbnail_title = $element_info['file']; |
---|
783 | } |
---|
784 | else |
---|
785 | { |
---|
786 | $thumbnail_title = ''; |
---|
787 | } |
---|
788 | |
---|
789 | if (!empty($element_info['filesize'])) |
---|
790 | { |
---|
791 | $thumbnail_title .= ' : '.sprintf(l10n('%d Kb'), $element_info['filesize']); |
---|
792 | } |
---|
793 | |
---|
794 | return $thumbnail_title; |
---|
795 | } |
---|
796 | |
---|
797 | /** |
---|
798 | * fill the current user caddie with given elements, if not already in |
---|
799 | * caddie |
---|
800 | * |
---|
801 | * @param array elements_id |
---|
802 | */ |
---|
803 | function fill_caddie($elements_id) |
---|
804 | { |
---|
805 | global $user; |
---|
806 | |
---|
807 | include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); |
---|
808 | |
---|
809 | $query = ' |
---|
810 | SELECT element_id |
---|
811 | FROM '.CADDIE_TABLE.' |
---|
812 | WHERE user_id = '.$user['id'].' |
---|
813 | ;'; |
---|
814 | $in_caddie = array_from_query($query, 'element_id'); |
---|
815 | |
---|
816 | $caddiables = array_diff($elements_id, $in_caddie); |
---|
817 | |
---|
818 | $datas = array(); |
---|
819 | |
---|
820 | foreach ($caddiables as $caddiable) |
---|
821 | { |
---|
822 | array_push($datas, array('element_id' => $caddiable, |
---|
823 | 'user_id' => $user['id'])); |
---|
824 | } |
---|
825 | |
---|
826 | if (count($caddiables) > 0) |
---|
827 | { |
---|
828 | mass_inserts(CADDIE_TABLE, array('element_id','user_id'), $datas); |
---|
829 | } |
---|
830 | } |
---|
831 | |
---|
832 | /** |
---|
833 | * returns the element name from its filename |
---|
834 | * |
---|
835 | * @param string filename |
---|
836 | * @return string name |
---|
837 | */ |
---|
838 | function get_name_from_file($filename) |
---|
839 | { |
---|
840 | return str_replace('_',' ',get_filename_wo_extension($filename)); |
---|
841 | } |
---|
842 | |
---|
843 | /** |
---|
844 | * returns the corresponding value from $lang if existing. Else, the key is |
---|
845 | * returned |
---|
846 | * |
---|
847 | * @param string key |
---|
848 | * @return string |
---|
849 | */ |
---|
850 | function l10n($key, $textdomain='messages') |
---|
851 | { |
---|
852 | global $lang, $conf; |
---|
853 | |
---|
854 | if ($conf['debug_l10n'] and !isset($lang[$key]) and !empty($key)) |
---|
855 | { |
---|
856 | trigger_error('[l10n] language key "'.$key.'" is not defined', E_USER_WARNING); |
---|
857 | } |
---|
858 | |
---|
859 | return isset($lang[$key]) ? $lang[$key] : $key; |
---|
860 | } |
---|
861 | |
---|
862 | /** |
---|
863 | * returns the prinft value for strings including %d |
---|
864 | * return is concorded with decimal value (singular, plural) |
---|
865 | * |
---|
866 | * @param singular string key |
---|
867 | * @param plural string key |
---|
868 | * @param decimal value |
---|
869 | * @return string |
---|
870 | */ |
---|
871 | function l10n_dec($singular_fmt_key, $plural_fmt_key, $decimal) |
---|
872 | { |
---|
873 | global $lang_info; |
---|
874 | |
---|
875 | return |
---|
876 | sprintf( |
---|
877 | l10n(( |
---|
878 | (($decimal > 1) or ($decimal == 0 and $lang_info['zero_plural'])) |
---|
879 | ? $plural_fmt_key |
---|
880 | : $singular_fmt_key |
---|
881 | )), $decimal); |
---|
882 | } |
---|
883 | |
---|
884 | /* |
---|
885 | * returns a single element to use with l10n_args |
---|
886 | * |
---|
887 | * @param string key: translation key |
---|
888 | * @param array/string/../number args: |
---|
889 | * arguments to use on sprintf($key, args) |
---|
890 | * if args is a array, each values are used on sprintf |
---|
891 | * @return string |
---|
892 | */ |
---|
893 | function get_l10n_args($key, $args) |
---|
894 | { |
---|
895 | if (is_array($args)) |
---|
896 | { |
---|
897 | $key_arg = array_merge(array($key), $args); |
---|
898 | } |
---|
899 | else |
---|
900 | { |
---|
901 | $key_arg = array($key, $args); |
---|
902 | } |
---|
903 | return array('key_args' => $key_arg); |
---|
904 | } |
---|
905 | |
---|
906 | /* |
---|
907 | * returns a string with formated with l10n_args elements |
---|
908 | * |
---|
909 | * @param element/array $key_args: element or array of l10n_args elements |
---|
910 | * @param $sep: if $key_args is array, |
---|
911 | * separator is used when translated l10n_args elements are concated |
---|
912 | * @return string |
---|
913 | */ |
---|
914 | function l10n_args($key_args, $sep = "\n") |
---|
915 | { |
---|
916 | if (is_array($key_args)) |
---|
917 | { |
---|
918 | foreach ($key_args as $key => $element) |
---|
919 | { |
---|
920 | if (isset($result)) |
---|
921 | { |
---|
922 | $result .= $sep; |
---|
923 | } |
---|
924 | else |
---|
925 | { |
---|
926 | $result = ''; |
---|
927 | } |
---|
928 | |
---|
929 | if ($key === 'key_args') |
---|
930 | { |
---|
931 | array_unshift($element, l10n(array_shift($element))); |
---|
932 | $result .= call_user_func_array('sprintf', $element); |
---|
933 | } |
---|
934 | else |
---|
935 | { |
---|
936 | $result .= l10n_args($element, $sep); |
---|
937 | } |
---|
938 | } |
---|
939 | } |
---|
940 | else |
---|
941 | { |
---|
942 | fatal_error('l10n_args: Invalid arguments'); |
---|
943 | } |
---|
944 | |
---|
945 | return $result; |
---|
946 | } |
---|
947 | |
---|
948 | /** |
---|
949 | * returns the corresponding value from $themeconf if existing. Else, the |
---|
950 | * key is returned |
---|
951 | * |
---|
952 | * @param string key |
---|
953 | * @return string |
---|
954 | */ |
---|
955 | function get_themeconf($key) |
---|
956 | { |
---|
957 | global $template; |
---|
958 | |
---|
959 | return $template->get_themeconf($key); |
---|
960 | } |
---|
961 | |
---|
962 | /** |
---|
963 | * Returns webmaster mail address depending on $conf['webmaster_id'] |
---|
964 | * |
---|
965 | * @return string |
---|
966 | */ |
---|
967 | function get_webmaster_mail_address() |
---|
968 | { |
---|
969 | global $conf; |
---|
970 | |
---|
971 | $query = ' |
---|
972 | SELECT '.$conf['user_fields']['email'].' |
---|
973 | FROM '.USERS_TABLE.' |
---|
974 | WHERE '.$conf['user_fields']['id'].' = '.$conf['webmaster_id'].' |
---|
975 | ;'; |
---|
976 | list($email) = pwg_db_fetch_row(pwg_query($query)); |
---|
977 | |
---|
978 | return $email; |
---|
979 | } |
---|
980 | |
---|
981 | /** |
---|
982 | * Add configuration parameters from database to global $conf array |
---|
983 | * |
---|
984 | * @return void |
---|
985 | */ |
---|
986 | function load_conf_from_db($condition = '') |
---|
987 | { |
---|
988 | global $conf; |
---|
989 | |
---|
990 | $query = ' |
---|
991 | SELECT param, value |
---|
992 | FROM '.CONFIG_TABLE.' |
---|
993 | '.(!empty($condition) ? 'WHERE '.$condition : '').' |
---|
994 | ;'; |
---|
995 | $result = pwg_query($query); |
---|
996 | |
---|
997 | if ((pwg_db_num_rows($result) == 0) and !empty($condition)) |
---|
998 | { |
---|
999 | fatal_error('No configuration data'); |
---|
1000 | } |
---|
1001 | |
---|
1002 | while ($row = pwg_db_fetch_assoc($result)) |
---|
1003 | { |
---|
1004 | $conf[ $row['param'] ] = isset($row['value']) ? $row['value'] : ''; |
---|
1005 | |
---|
1006 | // If the field is true or false, the variable is transformed into a |
---|
1007 | // boolean value. |
---|
1008 | if ($conf[$row['param']] == 'true' or $conf[$row['param']] == 'false') |
---|
1009 | { |
---|
1010 | $conf[ $row['param'] ] = get_boolean($conf[ $row['param'] ]); |
---|
1011 | } |
---|
1012 | } |
---|
1013 | } |
---|
1014 | |
---|
1015 | function conf_update_param($param, $value) |
---|
1016 | { |
---|
1017 | $query = ' |
---|
1018 | DELETE |
---|
1019 | FROM '.CONFIG_TABLE.' |
---|
1020 | WHERE param = \''.$param.'\' |
---|
1021 | ;'; |
---|
1022 | pwg_query($query); |
---|
1023 | |
---|
1024 | $query = ' |
---|
1025 | INSERT |
---|
1026 | INTO '.CONFIG_TABLE.' |
---|
1027 | (param, value) |
---|
1028 | VALUES(\''.$param.'\', \''.$value.'\') |
---|
1029 | ;'; |
---|
1030 | pwg_query($query); |
---|
1031 | } |
---|
1032 | |
---|
1033 | /** |
---|
1034 | * Prepends and appends a string at each value of the given array. |
---|
1035 | * |
---|
1036 | * @param array |
---|
1037 | * @param string prefix to each array values |
---|
1038 | * @param string suffix to each array values |
---|
1039 | */ |
---|
1040 | function prepend_append_array_items($array, $prepend_str, $append_str) |
---|
1041 | { |
---|
1042 | array_walk( |
---|
1043 | $array, |
---|
1044 | create_function('&$s', '$s = "'.$prepend_str.'".$s."'.$append_str.'";') |
---|
1045 | ); |
---|
1046 | |
---|
1047 | return $array; |
---|
1048 | } |
---|
1049 | |
---|
1050 | /** |
---|
1051 | * creates an hashed based on a query, this function is a very common |
---|
1052 | * pattern used here. Among the selected columns fetched, choose one to be |
---|
1053 | * the key, another one to be the value. |
---|
1054 | * |
---|
1055 | * @param string $query |
---|
1056 | * @param string $keyname |
---|
1057 | * @param string $valuename |
---|
1058 | * @return array |
---|
1059 | */ |
---|
1060 | function simple_hash_from_query($query, $keyname, $valuename) |
---|
1061 | { |
---|
1062 | $array = array(); |
---|
1063 | |
---|
1064 | $result = pwg_query($query); |
---|
1065 | while ($row = pwg_db_fetch_assoc($result)) |
---|
1066 | { |
---|
1067 | $array[ $row[$keyname] ] = $row[$valuename]; |
---|
1068 | } |
---|
1069 | |
---|
1070 | return $array; |
---|
1071 | } |
---|
1072 | |
---|
1073 | /** |
---|
1074 | * creates an hashed based on a query, this function is a very common |
---|
1075 | * pattern used here. The key is given as parameter, the value is an associative |
---|
1076 | * array. |
---|
1077 | * |
---|
1078 | * @param string $query |
---|
1079 | * @param string $keyname |
---|
1080 | * @return array |
---|
1081 | */ |
---|
1082 | function hash_from_query($query, $keyname) |
---|
1083 | { |
---|
1084 | $array = array(); |
---|
1085 | $result = pwg_query($query); |
---|
1086 | while ($row = pwg_db_fetch_assoc($result)) |
---|
1087 | { |
---|
1088 | $array[ $row[$keyname] ] = $row; |
---|
1089 | } |
---|
1090 | return $array; |
---|
1091 | } |
---|
1092 | |
---|
1093 | /** |
---|
1094 | * Return basename of the current script |
---|
1095 | * Lower case convertion is applied on return value |
---|
1096 | * Return value is without file extention ".php" |
---|
1097 | * |
---|
1098 | * @param void |
---|
1099 | * |
---|
1100 | * @return script basename |
---|
1101 | */ |
---|
1102 | function script_basename() |
---|
1103 | { |
---|
1104 | global $conf; |
---|
1105 | |
---|
1106 | foreach (array('SCRIPT_NAME', 'SCRIPT_FILENAME', 'PHP_SELF') as $value) |
---|
1107 | { |
---|
1108 | if (!empty($_SERVER[$value])) |
---|
1109 | { |
---|
1110 | $filename = strtolower($_SERVER[$value]); |
---|
1111 | if ($conf['php_extension_in_urls'] and get_extension($filename)!=='php') |
---|
1112 | continue; |
---|
1113 | $basename = basename($filename, '.php'); |
---|
1114 | if (!empty($basename)) |
---|
1115 | { |
---|
1116 | return $basename; |
---|
1117 | } |
---|
1118 | } |
---|
1119 | } |
---|
1120 | return ''; |
---|
1121 | } |
---|
1122 | |
---|
1123 | /** |
---|
1124 | * Return value for the current page define on $conf['filter_pages'] |
---|
1125 | * Îf value is not defined, default value are returned |
---|
1126 | * |
---|
1127 | * @param value name |
---|
1128 | * |
---|
1129 | * @return filter page value |
---|
1130 | */ |
---|
1131 | function get_filter_page_value($value_name) |
---|
1132 | { |
---|
1133 | global $conf; |
---|
1134 | |
---|
1135 | $page_name = script_basename(); |
---|
1136 | |
---|
1137 | if (isset($conf['filter_pages'][$page_name][$value_name])) |
---|
1138 | { |
---|
1139 | return $conf['filter_pages'][$page_name][$value_name]; |
---|
1140 | } |
---|
1141 | else if (isset($conf['filter_pages']['default'][$value_name])) |
---|
1142 | { |
---|
1143 | return $conf['filter_pages']['default'][$value_name]; |
---|
1144 | } |
---|
1145 | else |
---|
1146 | { |
---|
1147 | return null; |
---|
1148 | } |
---|
1149 | } |
---|
1150 | |
---|
1151 | /** |
---|
1152 | * returns the character set of data sent to browsers / received from forms |
---|
1153 | */ |
---|
1154 | function get_pwg_charset() |
---|
1155 | { |
---|
1156 | $pwg_charset = 'utf-8'; |
---|
1157 | if (defined('PWG_CHARSET')) |
---|
1158 | { |
---|
1159 | $pwg_charset = PWG_CHARSET; |
---|
1160 | } |
---|
1161 | return $pwg_charset; |
---|
1162 | } |
---|
1163 | |
---|
1164 | /** |
---|
1165 | * includes a language file or returns the content of a language file |
---|
1166 | * availability of the file |
---|
1167 | * |
---|
1168 | * in descending order of preference: |
---|
1169 | * param language, user language, default language |
---|
1170 | * Piwigo default language. |
---|
1171 | * |
---|
1172 | * @param string filename |
---|
1173 | * @param string dirname |
---|
1174 | * @param mixed options can contain |
---|
1175 | * language - language to load (if empty uses user language) |
---|
1176 | * return - if true the file content is returned otherwise the file is evaluated as php |
---|
1177 | * target_charset - |
---|
1178 | * no_fallback - the language must be respected |
---|
1179 | * local - if true, get local language file |
---|
1180 | * @return boolean success status or a string if options['return'] is true |
---|
1181 | */ |
---|
1182 | function load_language($filename, $dirname = '', |
---|
1183 | $options = array() ) |
---|
1184 | { |
---|
1185 | global $user; |
---|
1186 | |
---|
1187 | if (! @$options['return'] ) |
---|
1188 | { |
---|
1189 | $filename .= '.php'; //MAYBE to do .. load .po and .mo localization files |
---|
1190 | } |
---|
1191 | if (empty($dirname)) |
---|
1192 | { |
---|
1193 | $dirname = PHPWG_ROOT_PATH; |
---|
1194 | } |
---|
1195 | $dirname .= 'language/'; |
---|
1196 | |
---|
1197 | $languages = array(); |
---|
1198 | if ( !empty($options['language']) ) |
---|
1199 | { |
---|
1200 | $languages[] = $options['language']; |
---|
1201 | } |
---|
1202 | if ( !empty($user['language']) ) |
---|
1203 | { |
---|
1204 | $languages[] = $user['language']; |
---|
1205 | } |
---|
1206 | if ( ! @$options['no_fallback'] ) |
---|
1207 | { |
---|
1208 | if ( defined('PHPWG_INSTALLED') ) |
---|
1209 | { |
---|
1210 | $languages[] = get_default_language(); |
---|
1211 | } |
---|
1212 | $languages[] = PHPWG_DEFAULT_LANGUAGE; |
---|
1213 | } |
---|
1214 | |
---|
1215 | $languages = array_unique($languages); |
---|
1216 | |
---|
1217 | if ( empty($options['target_charset']) ) |
---|
1218 | { |
---|
1219 | $target_charset = get_pwg_charset(); |
---|
1220 | } |
---|
1221 | else |
---|
1222 | { |
---|
1223 | $target_charset = $options['target_charset']; |
---|
1224 | } |
---|
1225 | $target_charset = strtolower($target_charset); |
---|
1226 | $source_file = ''; |
---|
1227 | foreach ($languages as $language) |
---|
1228 | { |
---|
1229 | $f = @$options['local'] ? |
---|
1230 | $dirname.$language.'.'.$filename: |
---|
1231 | $dirname.$language.'/'.$filename; |
---|
1232 | |
---|
1233 | if (file_exists($f)) |
---|
1234 | { |
---|
1235 | $source_file = $f; |
---|
1236 | break; |
---|
1237 | } |
---|
1238 | } |
---|
1239 | |
---|
1240 | if ( !empty($source_file) ) |
---|
1241 | { |
---|
1242 | if (! @$options['return'] ) |
---|
1243 | { |
---|
1244 | @include($source_file); |
---|
1245 | $load_lang = @$lang; |
---|
1246 | $load_lang_info = @$lang_info; |
---|
1247 | |
---|
1248 | global $lang, $lang_info; |
---|
1249 | if ( !isset($lang) ) $lang=array(); |
---|
1250 | if ( !isset($lang_info) ) $lang_info=array(); |
---|
1251 | |
---|
1252 | if ( 'utf-8'!=$target_charset) |
---|
1253 | { |
---|
1254 | if ( is_array($load_lang) ) |
---|
1255 | { |
---|
1256 | foreach ($load_lang as $k => $v) |
---|
1257 | { |
---|
1258 | if ( is_array($v) ) |
---|
1259 | { |
---|
1260 | $func = create_function('$v', 'return convert_charset($v, "utf-8", "'.$target_charset.'");' ); |
---|
1261 | $lang[$k] = array_map($func, $v); |
---|
1262 | } |
---|
1263 | else |
---|
1264 | $lang[$k] = convert_charset($v, 'utf-8', $target_charset); |
---|
1265 | } |
---|
1266 | } |
---|
1267 | if ( is_array($load_lang_info) ) |
---|
1268 | { |
---|
1269 | foreach ($load_lang_info as $k => $v) |
---|
1270 | { |
---|
1271 | $lang_info[$k] = convert_charset($v, 'utf-8', $target_charset); |
---|
1272 | } |
---|
1273 | } |
---|
1274 | } |
---|
1275 | else |
---|
1276 | { |
---|
1277 | $lang = array_merge( $lang, (array)$load_lang ); |
---|
1278 | $lang_info = array_merge( $lang_info, (array)$load_lang_info ); |
---|
1279 | } |
---|
1280 | return true; |
---|
1281 | } |
---|
1282 | else |
---|
1283 | { |
---|
1284 | $content = @file_get_contents($source_file); |
---|
1285 | $content = convert_charset($content, 'utf-8', $target_charset); |
---|
1286 | return $content; |
---|
1287 | } |
---|
1288 | } |
---|
1289 | return false; |
---|
1290 | } |
---|
1291 | |
---|
1292 | /** |
---|
1293 | * converts a string from a character set to another character set |
---|
1294 | * @param string str the string to be converted |
---|
1295 | * @param string source_charset the character set in which the string is encoded |
---|
1296 | * @param string dest_charset the destination character set |
---|
1297 | */ |
---|
1298 | function convert_charset($str, $source_charset, $dest_charset) |
---|
1299 | { |
---|
1300 | if ($source_charset==$dest_charset) |
---|
1301 | return $str; |
---|
1302 | if ($source_charset=='iso-8859-1' and $dest_charset=='utf-8') |
---|
1303 | { |
---|
1304 | return utf8_encode($str); |
---|
1305 | } |
---|
1306 | if ($source_charset=='utf-8' and $dest_charset=='iso-8859-1') |
---|
1307 | { |
---|
1308 | return utf8_decode($str); |
---|
1309 | } |
---|
1310 | if (function_exists('iconv')) |
---|
1311 | { |
---|
1312 | return iconv($source_charset, $dest_charset, $str); |
---|
1313 | } |
---|
1314 | if (function_exists('mb_convert_encoding')) |
---|
1315 | { |
---|
1316 | return mb_convert_encoding( $str, $dest_charset, $source_charset ); |
---|
1317 | } |
---|
1318 | return $str; //??? |
---|
1319 | } |
---|
1320 | |
---|
1321 | /** |
---|
1322 | * makes sure a index.htm protects the directory from browser file listing |
---|
1323 | * |
---|
1324 | * @param string dir directory |
---|
1325 | */ |
---|
1326 | function secure_directory($dir) |
---|
1327 | { |
---|
1328 | $file = $dir.'/index.htm'; |
---|
1329 | if (!file_exists($file)) |
---|
1330 | { |
---|
1331 | @file_put_contents($file, 'Not allowed!'); |
---|
1332 | } |
---|
1333 | } |
---|
1334 | |
---|
1335 | /** |
---|
1336 | * returns a "secret key" that is to be sent back when a user posts a form |
---|
1337 | * |
---|
1338 | * @param int valid_after_seconds - key validity start time from now |
---|
1339 | */ |
---|
1340 | function get_ephemeral_key($valid_after_seconds, $aditionnal_data_to_hash = '') |
---|
1341 | { |
---|
1342 | global $conf; |
---|
1343 | $time = round(microtime(true), 1); |
---|
1344 | return $time.':'.$valid_after_seconds.':' |
---|
1345 | .hash_hmac( |
---|
1346 | 'md5', |
---|
1347 | $time.substr($_SERVER['REMOTE_ADDR'],0,5).$valid_after_seconds.$aditionnal_data_to_hash, |
---|
1348 | $conf['secret_key']); |
---|
1349 | } |
---|
1350 | |
---|
1351 | function verify_ephemeral_key($key, $aditionnal_data_to_hash = '') |
---|
1352 | { |
---|
1353 | global $conf; |
---|
1354 | $time = microtime(true); |
---|
1355 | $key = explode( ':', @$key ); |
---|
1356 | if ( count($key)!=3 |
---|
1357 | or $key[0]>$time-(float)$key[1] // page must have been retrieved more than X sec ago |
---|
1358 | or $key[0]<$time-3600 // 60 minutes expiration |
---|
1359 | or hash_hmac( |
---|
1360 | 'md5', $key[0].substr($_SERVER['REMOTE_ADDR'],0,5).$key[1].$aditionnal_data_to_hash, $conf['secret_key'] |
---|
1361 | ) != $key[2] |
---|
1362 | ) |
---|
1363 | { |
---|
1364 | return false; |
---|
1365 | } |
---|
1366 | return true; |
---|
1367 | } |
---|
1368 | |
---|
1369 | /** |
---|
1370 | * return an array which will be sent to template to display navigation bar |
---|
1371 | */ |
---|
1372 | function create_navigation_bar($url, $nb_element, $start, $nb_element_page, $clean_url = false) |
---|
1373 | { |
---|
1374 | global $conf; |
---|
1375 | |
---|
1376 | $navbar = array(); |
---|
1377 | $pages_around = $conf['paginate_pages_around']; |
---|
1378 | $start_str = $clean_url ? '/start-' : (strpos($url, '?')===false ? '?':'&').'start='; |
---|
1379 | |
---|
1380 | if (!isset($start) or !is_numeric($start) or (is_numeric($start) and $start < 0)) |
---|
1381 | { |
---|
1382 | $start = 0; |
---|
1383 | } |
---|
1384 | |
---|
1385 | // navigation bar useful only if more than one page to display ! |
---|
1386 | if ($nb_element > $nb_element_page) |
---|
1387 | { |
---|
1388 | $cur_page = ceil($start / $nb_element_page) + 1; |
---|
1389 | $maximum = ceil($nb_element / $nb_element_page); |
---|
1390 | $previous = $start - $nb_element_page; |
---|
1391 | $next = $start + $nb_element_page; |
---|
1392 | $last = ($maximum - 1) * $nb_element_page; |
---|
1393 | |
---|
1394 | $navbar['CURRENT_PAGE'] = $cur_page; |
---|
1395 | |
---|
1396 | // link to first page and previous page? |
---|
1397 | if ($cur_page != 1) |
---|
1398 | { |
---|
1399 | $navbar['URL_FIRST'] = $url; |
---|
1400 | $navbar['URL_PREV'] = $url.($previous > 0 ? $start_str.$previous : ''); |
---|
1401 | } |
---|
1402 | // link on next page and last page? |
---|
1403 | if ($cur_page != $maximum) |
---|
1404 | { |
---|
1405 | $navbar['URL_NEXT'] = $url.$start_str.$next; |
---|
1406 | $navbar['URL_LAST'] = $url.$start_str.$last; |
---|
1407 | } |
---|
1408 | |
---|
1409 | // pages to display |
---|
1410 | $navbar['pages'] = array(); |
---|
1411 | $navbar['pages'][1] = $url; |
---|
1412 | $navbar['pages'][$maximum] = $url.$start_str.$last; |
---|
1413 | |
---|
1414 | for ($i = max($cur_page - $pages_around , 2), $stop = min($cur_page + $pages_around + 1, $maximum); |
---|
1415 | $i < $stop; $i++) |
---|
1416 | { |
---|
1417 | $navbar['pages'][$i] = $url.$start_str.(($i - 1) * $nb_element_page); |
---|
1418 | } |
---|
1419 | ksort($navbar['pages']); |
---|
1420 | } |
---|
1421 | return $navbar; |
---|
1422 | } |
---|
1423 | |
---|
1424 | /** |
---|
1425 | * return an array which will be sent to template to display recent icon |
---|
1426 | */ |
---|
1427 | function get_icon($date, $is_child_date = false) |
---|
1428 | { |
---|
1429 | global $cache, $user; |
---|
1430 | |
---|
1431 | if (empty($date)) |
---|
1432 | { |
---|
1433 | return false; |
---|
1434 | } |
---|
1435 | |
---|
1436 | if (!isset($cache['get_icon']['title'])) |
---|
1437 | { |
---|
1438 | $cache['get_icon']['title'] = sprintf( |
---|
1439 | l10n('images posted during the last %d days'), |
---|
1440 | $user['recent_period'] |
---|
1441 | ); |
---|
1442 | } |
---|
1443 | |
---|
1444 | $icon = array( |
---|
1445 | 'TITLE' => $cache['get_icon']['title'], |
---|
1446 | 'IS_CHILD_DATE' => $is_child_date, |
---|
1447 | ); |
---|
1448 | |
---|
1449 | if (isset($cache['get_icon'][$date])) |
---|
1450 | { |
---|
1451 | return $cache['get_icon'][$date] ? $icon : array(); |
---|
1452 | } |
---|
1453 | |
---|
1454 | if (!isset($cache['get_icon']['sql_recent_date'])) |
---|
1455 | { |
---|
1456 | // Use MySql date in order to standardize all recent "actions/queries" |
---|
1457 | $cache['get_icon']['sql_recent_date'] = pwg_db_get_recent_period($user['recent_period']); |
---|
1458 | } |
---|
1459 | |
---|
1460 | $cache['get_icon'][$date] = $date > $cache['get_icon']['sql_recent_date']; |
---|
1461 | |
---|
1462 | return $cache['get_icon'][$date] ? $icon : array(); |
---|
1463 | } |
---|
1464 | |
---|
1465 | /** |
---|
1466 | * check token comming from form posted or get params to prevent csrf attacks |
---|
1467 | * if pwg_token is empty action doesn't require token |
---|
1468 | * else pwg_token is compare to server token |
---|
1469 | * |
---|
1470 | * @return void access denied if token given is not equal to server token |
---|
1471 | */ |
---|
1472 | function check_pwg_token() |
---|
1473 | { |
---|
1474 | if (!empty($_REQUEST['pwg_token'])) |
---|
1475 | { |
---|
1476 | if (get_pwg_token() != $_REQUEST['pwg_token']) |
---|
1477 | { |
---|
1478 | access_denied(); |
---|
1479 | } |
---|
1480 | } |
---|
1481 | else |
---|
1482 | bad_request('missing token'); |
---|
1483 | } |
---|
1484 | |
---|
1485 | function get_pwg_token() |
---|
1486 | { |
---|
1487 | global $conf; |
---|
1488 | |
---|
1489 | return hash_hmac('md5', session_id(), $conf['secret_key']); |
---|
1490 | } |
---|
1491 | |
---|
1492 | /* |
---|
1493 | * breaks the script execution if the given value doesn't match the given |
---|
1494 | * pattern. This should happen only during hacking attempts. |
---|
1495 | * |
---|
1496 | * @param string param_name |
---|
1497 | * @param array param_array |
---|
1498 | * @param boolean is_array |
---|
1499 | * @param string pattern |
---|
1500 | * |
---|
1501 | * @return void |
---|
1502 | */ |
---|
1503 | function check_input_parameter($param_name, $param_array, $is_array, $pattern) |
---|
1504 | { |
---|
1505 | $param_value = null; |
---|
1506 | if (isset($param_array[$param_name])) |
---|
1507 | { |
---|
1508 | $param_value = $param_array[$param_name]; |
---|
1509 | } |
---|
1510 | |
---|
1511 | // it's ok if the input parameter is null |
---|
1512 | if (empty($param_value)) |
---|
1513 | { |
---|
1514 | return true; |
---|
1515 | } |
---|
1516 | |
---|
1517 | if ($is_array) |
---|
1518 | { |
---|
1519 | if (!is_array($param_value)) |
---|
1520 | { |
---|
1521 | fatal_error('[Hacking attempt] the input parameter "'.$param_name.'" should be an array'); |
---|
1522 | } |
---|
1523 | |
---|
1524 | foreach ($param_value as $item_to_check) |
---|
1525 | { |
---|
1526 | if (!preg_match($pattern, $item_to_check)) |
---|
1527 | { |
---|
1528 | fatal_error('[Hacking attempt] an item is not valid in input parameter "'.$param_name.'"'); |
---|
1529 | } |
---|
1530 | } |
---|
1531 | } |
---|
1532 | else |
---|
1533 | { |
---|
1534 | if (!preg_match($pattern, $param_value)) |
---|
1535 | { |
---|
1536 | fatal_error('[Hacking attempt] the input parameter "'.$param_name.'" is not valid'); |
---|
1537 | } |
---|
1538 | } |
---|
1539 | } |
---|
1540 | |
---|
1541 | |
---|
1542 | function get_privacy_level_options() |
---|
1543 | { |
---|
1544 | global $conf; |
---|
1545 | |
---|
1546 | $options = array(); |
---|
1547 | foreach (array_reverse($conf['available_permission_levels']) as $level) |
---|
1548 | { |
---|
1549 | $label = null; |
---|
1550 | |
---|
1551 | if (0 == $level) |
---|
1552 | { |
---|
1553 | $label = l10n('Everybody'); |
---|
1554 | } |
---|
1555 | else |
---|
1556 | { |
---|
1557 | $labels = array(); |
---|
1558 | $sub_levels = array_reverse($conf['available_permission_levels']); |
---|
1559 | foreach ($sub_levels as $sub_level) |
---|
1560 | { |
---|
1561 | if ($sub_level == 0 or $sub_level < $level) |
---|
1562 | { |
---|
1563 | break; |
---|
1564 | } |
---|
1565 | array_push( |
---|
1566 | $labels, |
---|
1567 | l10n( |
---|
1568 | sprintf( |
---|
1569 | 'Level %d', |
---|
1570 | $sub_level |
---|
1571 | ) |
---|
1572 | ) |
---|
1573 | ); |
---|
1574 | } |
---|
1575 | |
---|
1576 | $label = implode(', ', $labels); |
---|
1577 | } |
---|
1578 | $options[$level] = $label; |
---|
1579 | } |
---|
1580 | return $options; |
---|
1581 | } |
---|
1582 | ?> |
---|