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Diffstat (limited to '')
| -rw-r--r-- | BSF/include/functions.inc.php | 1557 |
1 files changed, 1557 insertions, 0 deletions
diff --git a/BSF/include/functions.inc.php b/BSF/include/functions.inc.php new file mode 100644 index 000000000..a1b589999 --- /dev/null +++ b/BSF/include/functions.inc.php @@ -0,0 +1,1557 @@ +<?php +// +-----------------------------------------------------------------------+ +// | Piwigo - a PHP based picture gallery | +// +-----------------------------------------------------------------------+ +// | Copyright(C) 2008 Piwigo Team http://piwigo.org | +// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | +// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | +// +-----------------------------------------------------------------------+ +// | This program is free software; you can redistribute it and/or modify | +// | it under the terms of the GNU General Public License as published by | +// | the Free Software Foundation | +// | | +// | This program is distributed in the hope that it will be useful, but | +// | WITHOUT ANY WARRANTY; without even the implied warranty of | +// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | +// | General Public License for more details. | +// | | +// | You should have received a copy of the GNU General Public License | +// | along with this program; if not, write to the Free Software | +// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | +// | USA. | +// +-----------------------------------------------------------------------+ + +include_once( PHPWG_ROOT_PATH .'include/functions_user.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_cookie.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_session.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_category.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_xml.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_group.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_html.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_tag.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_url.inc.php' ); +include_once( PHPWG_ROOT_PATH .'include/functions_plugins.inc.php' ); + +//----------------------------------------------------------- generic functions + +/** + * returns an array containing the possible values of an enum field + * + * @param string tablename + * @param string fieldname + */ +function get_enums($table, $field) +{ + // retrieving the properties of the table. Each line represents a field : + // columns are 'Field', 'Type' + $result = pwg_query('desc '.$table); + while ($row = mysql_fetch_array($result)) + { + // we are only interested in the the field given in parameter for the + // function + if ($row['Field'] == $field) + { + // retrieving possible values of the enum field + // enum('blue','green','black') + $options = explode(',', substr($row['Type'], 5, -1)); + foreach ($options as $i => $option) + { + $options[$i] = str_replace("'", '',$option); + } + } + } + mysql_free_result($result); + return $options; +} + +// get_boolean transforms a string to a boolean value. If the string is +// "false" (case insensitive), then the boolean value false is returned. In +// any other case, true is returned. +function get_boolean( $string ) +{ + $boolean = true; + if ( preg_match( '/^false$/i', $string ) ) + { + $boolean = false; + } + return $boolean; +} + +/** + * returns boolean string 'true' or 'false' if the given var is boolean + * + * @param mixed $var + * @return mixed + */ +function boolean_to_string($var) +{ + if (is_bool($var)) + { + if ($var) + { + return 'true'; + } + else + { + return 'false'; + } + } + else + { + return $var; + } +} + +// The function get_moment returns a float value coresponding to the number +// of seconds since the unix epoch (1st January 1970) and the microseconds +// are precised : e.g. 1052343429.89276600 +function get_moment() +{ + $t1 = explode( ' ', microtime() ); + $t2 = explode( '.', $t1[0] ); + $t2 = $t1[1].'.'.$t2[1]; + return $t2; +} + +// The function get_elapsed_time returns the number of seconds (with 3 +// decimals precision) between the start time and the end time given. +function get_elapsed_time( $start, $end ) +{ + return number_format( $end - $start, 3, '.', ' ').' s'; +} + +// - The replace_space function replaces space and '-' characters +// by their HTML equivalent &nbsb; and − +// - The function does not replace characters in HTML tags +// - This function was created because IE5 does not respect the +// CSS "white-space: nowrap;" property unless space and minus +// characters are replaced like this function does. +// - Example : +// <div class="foo">My friend</div> +// ( 01234567891111111111222222222233 ) +// ( 0123456789012345678901 ) +// becomes : +// <div class="foo">My friend</div> +function replace_space( $string ) +{ + //return $string; + $return_string = ''; + // $remaining is the rest of the string where to replace spaces characters + $remaining = $string; + // $start represents the position of the next '<' character + // $end represents the position of the next '>' character + $start = 0; + $end = 0; + $start = strpos ( $remaining, '<' ); // -> 0 + $end = strpos ( $remaining, '>' ); // -> 16 + // as long as a '<' and his friend '>' are found, we loop + while ( is_numeric( $start ) and is_numeric( $end ) ) + { + // $treatment is the part of the string to treat + // In the first loop of our example, this variable is empty, but in the + // second loop, it equals 'My friend' + $treatment = substr ( $remaining, 0, $start ); + // Replacement of ' ' by his equivalent ' ' + $treatment = str_replace( ' ', ' ', $treatment ); + $treatment = str_replace( '-', '−', $treatment ); + // composing the string to return by adding the treated string and the + // following HTML tag -> 'My friend</div>' + $return_string.= $treatment.substr( $remaining, $start, $end-$start+1 ); + // the remaining string is deplaced to the part after the '>' of this + // loop + $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); + $start = strpos ( $remaining, '<' ); + $end = strpos ( $remaining, '>' ); + } + $treatment = str_replace( ' ', ' ', $remaining ); + $treatment = str_replace( '-', '−', $treatment ); + $return_string.= $treatment; + + return $return_string; +} + +// get_extension returns the part of the string after the last "." +function get_extension( $filename ) +{ + return substr( strrchr( $filename, '.' ), 1, strlen ( $filename ) ); +} + +// get_filename_wo_extension returns the part of the string before the last +// ".". +// get_filename_wo_extension( 'test.tar.gz' ) -> 'test.tar' +function get_filename_wo_extension( $filename ) +{ + $pos = strrpos( $filename, '.' ); + return ($pos===false) ? $filename : substr( $filename, 0, $pos); +} + +/** + * returns an array contening sub-directories, excluding "CVS" + * + * @param string $dir + * @return array + */ +function get_dirs($directory) +{ + $sub_dirs = array(); + + if ($opendir = opendir($directory)) + { + while ($file = readdir($opendir)) + { + if ($file != '.' + and $file != '..' + and is_dir($directory.'/'.$file) + and $file != 'CVS' + and $file != '.svn') + { + array_push($sub_dirs, $file); + } + } + } + return $sub_dirs; +} + +/** + * returns thumbnail directory name of input diretoty name + * make thumbnail directory is necessary + * set error messages on array messages + * + * @param: + * string $dirname + * arrayy $errors + * @return bool false on error else string directory name + */ +function mkget_thumbnail_dir($dirname, &$errors) +{ + $tndir = $dirname.'/thumbnail'; + if (!is_dir($tndir)) + { + if (!is_writable($dirname)) + { + array_push($errors, + '['.$dirname.'] : '.l10n('no_write_access')); + return false; + } + umask(0000); + mkdir($tndir, 0777); + } + + return $tndir; +} + +// The get_picture_size function return an array containing : +// - $picture_size[0] : final width +// - $picture_size[1] : final height +// The final dimensions are calculated thanks to the original dimensions and +// the maximum dimensions given in parameters. get_picture_size respects +// the width/height ratio +function get_picture_size( $original_width, $original_height, + $max_width, $max_height ) +{ + $width = $original_width; + $height = $original_height; + $is_original_size = true; + + if ( $max_width != "" ) + { + if ( $original_width > $max_width ) + { + $width = $max_width; + $height = floor( ( $width * $original_height ) / $original_width ); + } + } + if ( $max_height != "" ) + { + if ( $original_height > $max_height ) + { + $height = $max_height; + $width = floor( ( $height * $original_width ) / $original_height ); + $is_original_size = false; + } + } + if ( is_numeric( $max_width ) and is_numeric( $max_height ) + and $max_width != 0 and $max_height != 0 ) + { + $ratioWidth = $original_width / $max_width; + $ratioHeight = $original_height / $max_height; + if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) + { + if ( $ratioWidth < $ratioHeight ) + { + $width = floor( $original_width / $ratioHeight ); + $height = $max_height; + } + else + { + $width = $max_width; + $height = floor( $original_height / $ratioWidth ); + } + $is_original_size = false; + } + } + $picture_size = array(); + $picture_size[0] = $width; + $picture_size[1] = $height; + return $picture_size; +} + +/* Returns true if the string appears to be encoded in UTF-8. (from wordpress) + * @param string Str + */ +function seems_utf8($Str) { # by bmorel at ssi dot fr + for ($i=0; $i<strlen($Str); $i++) { + if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb + elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb + elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb + elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb + elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb + elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b + else return false; # Does not match any model + for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? + if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80)) + return false; + } + } + return true; +} + +/* Remove accents from a UTF-8 or ISO-859-1 string (from wordpress) + * @param string sstring - an UTF-8 or ISO-8859-1 string + */ +function remove_accents($string) +{ + if ( !preg_match('/[\x80-\xff]/', $string) ) + return $string; + + if (seems_utf8($string)) { + $chars = array( + // Decompositions for Latin-1 Supplement + chr(195).chr(128) => 'A', chr(195).chr(129) => 'A', + chr(195).chr(130) => 'A', chr(195).chr(131) => 'A', + chr(195).chr(132) => 'A', chr(195).chr(133) => 'A', + chr(195).chr(135) => 'C', chr(195).chr(136) => 'E', + chr(195).chr(137) => 'E', chr(195).chr(138) => 'E', + chr(195).chr(139) => 'E', chr(195).chr(140) => 'I', + chr(195).chr(141) => 'I', chr(195).chr(142) => 'I', + chr(195).chr(143) => 'I', chr(195).chr(145) => 'N', + chr(195).chr(146) => 'O', chr(195).chr(147) => 'O', + chr(195).chr(148) => 'O', chr(195).chr(149) => 'O', + chr(195).chr(150) => 'O', chr(195).chr(153) => 'U', + chr(195).chr(154) => 'U', chr(195).chr(155) => 'U', + chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y', + chr(195).chr(159) => 's', chr(195).chr(160) => 'a', + chr(195).chr(161) => 'a', chr(195).chr(162) => 'a', + chr(195).chr(163) => 'a', chr(195).chr(164) => 'a', + chr(195).chr(165) => 'a', chr(195).chr(167) => 'c', + chr(195).chr(168) => 'e', chr(195).chr(169) => 'e', + chr(195).chr(170) => 'e', chr(195).chr(171) => 'e', + chr(195).chr(172) => 'i', chr(195).chr(173) => 'i', + chr(195).chr(174) => 'i', chr(195).chr(175) => 'i', + chr(195).chr(177) => 'n', chr(195).chr(178) => 'o', + chr(195).chr(179) => 'o', chr(195).chr(180) => 'o', + chr(195).chr(181) => 'o', chr(195).chr(182) => 'o', + chr(195).chr(182) => 'o', chr(195).chr(185) => 'u', + chr(195).chr(186) => 'u', chr(195).chr(187) => 'u', + chr(195).chr(188) => 'u', chr(195).chr(189) => 'y', + chr(195).chr(191) => 'y', + // Decompositions for Latin Extended-A + chr(196).chr(128) => 'A', chr(196).chr(129) => 'a', + chr(196).chr(130) => 'A', chr(196).chr(131) => 'a', + chr(196).chr(132) => 'A', chr(196).chr(133) => 'a', + chr(196).chr(134) => 'C', chr(196).chr(135) => 'c', + chr(196).chr(136) => 'C', chr(196).chr(137) => 'c', + chr(196).chr(138) => 'C', chr(196).chr(139) => 'c', + chr(196).chr(140) => 'C', chr(196).chr(141) => 'c', + chr(196).chr(142) => 'D', chr(196).chr(143) => 'd', + chr(196).chr(144) => 'D', chr(196).chr(145) => 'd', + chr(196).chr(146) => 'E', chr(196).chr(147) => 'e', + chr(196).chr(148) => 'E', chr(196).chr(149) => 'e', + chr(196).chr(150) => 'E', chr(196).chr(151) => 'e', + chr(196).chr(152) => 'E', chr(196).chr(153) => 'e', + chr(196).chr(154) => 'E', chr(196).chr(155) => 'e', + chr(196).chr(156) => 'G', chr(196).chr(157) => 'g', + chr(196).chr(158) => 'G', chr(196).chr(159) => 'g', + chr(196).chr(160) => 'G', chr(196).chr(161) => 'g', + chr(196).chr(162) => 'G', chr(196).chr(163) => 'g', + chr(196).chr(164) => 'H', chr(196).chr(165) => 'h', + chr(196).chr(166) => 'H', chr(196).chr(167) => 'h', + chr(196).chr(168) => 'I', chr(196).chr(169) => 'i', + chr(196).chr(170) => 'I', chr(196).chr(171) => 'i', + chr(196).chr(172) => 'I', chr(196).chr(173) => 'i', + chr(196).chr(174) => 'I', chr(196).chr(175) => 'i', + chr(196).chr(176) => 'I', chr(196).chr(177) => 'i', + chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij', + chr(196).chr(180) => 'J', chr(196).chr(181) => 'j', + chr(196).chr(182) => 'K', chr(196).chr(183) => 'k', + chr(196).chr(184) => 'k', chr(196).chr(185) => 'L', + chr(196).chr(186) => 'l', chr(196).chr(187) => 'L', + chr(196).chr(188) => 'l', chr(196).chr(189) => 'L', + chr(196).chr(190) => 'l', chr(196).chr(191) => 'L', + chr(197).chr(128) => 'l', chr(197).chr(129) => 'L', + chr(197).chr(130) => 'l', chr(197).chr(131) => 'N', + chr(197).chr(132) => 'n', chr(197).chr(133) => 'N', + chr(197).chr(134) => 'n', chr(197).chr(135) => 'N', + chr(197).chr(136) => 'n', chr(197).chr(137) => 'N', + chr(197).chr(138) => 'n', chr(197).chr(139) => 'N', + chr(197).chr(140) => 'O', chr(197).chr(141) => 'o', + chr(197).chr(142) => 'O', chr(197).chr(143) => 'o', + chr(197).chr(144) => 'O', chr(197).chr(145) => 'o', + chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe', + chr(197).chr(148) => 'R',chr(197).chr(149) => 'r', + chr(197).chr(150) => 'R',chr(197).chr(151) => 'r', + chr(197).chr(152) => 'R',chr(197).chr(153) => 'r', + chr(197).chr(154) => 'S',chr(197).chr(155) => 's', + chr(197).chr(156) => 'S',chr(197).chr(157) => 's', + chr(197).chr(158) => 'S',chr(197).chr(159) => 's', + chr(197).chr(160) => 'S', chr(197).chr(161) => 's', + chr(197).chr(162) => 'T', chr(197).chr(163) => 't', + chr(197).chr(164) => 'T', chr(197).chr(165) => 't', + chr(197).chr(166) => 'T', chr(197).chr(167) => 't', + chr(197).chr(168) => 'U', chr(197).chr(169) => 'u', + chr(197).chr(170) => 'U', chr(197).chr(171) => 'u', + chr(197).chr(172) => 'U', chr(197).chr(173) => 'u', + chr(197).chr(174) => 'U', chr(197).chr(175) => 'u', + chr(197).chr(176) => 'U', chr(197).chr(177) => 'u', + chr(197).chr(178) => 'U', chr(197).chr(179) => 'u', + chr(197).chr(180) => 'W', chr(197).chr(181) => 'w', + chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y', + chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z', + chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z', + chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z', + chr(197).chr(190) => 'z', chr(197).chr(191) => 's', + // Euro Sign + chr(226).chr(130).chr(172) => 'E', + // GBP (Pound) Sign + chr(194).chr(163) => ''); + + $string = strtr($string, $chars); + } else { + // Assume ISO-8859-1 if not UTF-8 + $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) + .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) + .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202) + .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210) + .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218) + .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227) + .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235) + .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243) + .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251) + .chr(252).chr(253).chr(255); + + $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; + + $string = strtr($string, $chars['in'], $chars['out']); + $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); + $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); + $string = str_replace($double_chars['in'], $double_chars['out'], $string); + } + + return $string; +} + +/** + * simplify a string to insert it into an URL + * + * @param string + * @return string + */ +function str2url($str) +{ + $str = remove_accents($str); + $str = preg_replace('/[^a-z0-9_\s\'\:\/\[\],-]/','',strtolower($str)); + $str = preg_replace('/[\s\'\:\/\[\],-]+/',' ',trim($str)); + $res = str_replace(' ','_',$str); + + return $res; +} + +//-------------------------------------------- Piwigo specific functions + +/** + * returns an array with a list of {language_code => language_name} + * + * @returns array + */ +function get_languages($target_charset = null) +{ + if ( empty($target_charset) ) + { + $target_charset = get_pwg_charset(); + } + $target_charset = strtolower($target_charset); + + $dir = opendir(PHPWG_ROOT_PATH.'language'); + $languages = array(); + + while ($file = readdir($dir)) + { + $path = PHPWG_ROOT_PATH.'language/'.$file; + if (is_dir($path) and !is_link($path) and file_exists($path.'/iso.txt')) + { + list($language_name) = @file($path.'/iso.txt'); + + $langdef = explode('.',$file); + if (count($langdef)>1) // (langCode,encoding) + { + $langdef[1] = strtolower($langdef[1]); + + if ( + $target_charset==$langdef[1] + or + ($target_charset=='utf-8' and $langdef[1]=='iso-8859-1') + or + ($target_charset=='iso-8859-1' and + in_array( substr($langdef[0],2), array('en','fr','de','es','it','nl'))) + ) + { + $language_name = convert_charset($language_name, + $langdef[1], $target_charset); + $languages[ $langdef[0] ] = $language_name; + } + else + continue; // the language encoding is not compatible with our charset + } + else + { // UTF-8 + $language_name = convert_charset($language_name, + 'utf-8', $target_charset); + $languages[$file] = $language_name; + } + } + } + closedir($dir); + @asort($languages); + @reset($languages); + + return $languages; +} + +function pwg_log($image_id = null, $image_type = null) +{ + global $conf, $user, $page; + + $do_log = true; + if (!$conf['log']) + { + $do_log = false; + } + if (is_admin() and !$conf['history_admin']) + { + $do_log = false; + } + if (is_a_guest() and !$conf['history_guest']) + { + $do_log = false; + } + + $do_log = trigger_event('pwg_log_allowed', $do_log, $image_id, $image_type); + + if (!$do_log) + { + return false; + } + + $tags_string = null; + if (isset($page['section']) and $page['section'] == 'tags') + { + $tag_ids = array(); + foreach ($page['tags'] as $tag) + { + array_push($tag_ids, $tag['id']); + } + + $tags_string = implode(',', $tag_ids); + } + + $query = ' +INSERT INTO '.HISTORY_TABLE.' + ( + date, + time, + user_id, + IP, + section, + category_id, + image_id, + image_type, + tag_ids + ) + VALUES + ( + CURDATE(), + CURTIME(), + '.$user['id'].', + \''.$_SERVER['REMOTE_ADDR'].'\', + '.(isset($page['section']) ? "'".$page['section']."'" : 'NULL').', + '.(isset($page['category']['id']) ? $page['category']['id'] : 'NULL').', + '.(isset($image_id) ? $image_id : 'NULL').', + '.(isset($image_type) ? "'".$image_type."'" : 'NULL').', + '.(isset($tags_string) ? "'".$tags_string."'" : 'NULL').' + ) +;'; + pwg_query($query); + + return true; +} + +// format_date returns a formatted date for display. The date given in +// argument can be a unixdate (number of seconds since the 01.01.1970) or an +// american format (2003-09-15). By option, you can show the time. The +// output is internationalized. +// +// format_date( "2003-09-15", 'us', true ) -> "Monday 15 September 2003 21:52" +function format_date($date, $type = 'us', $show_time = false) +{ + global $lang; + + list($year,$month,$day,$hour,$minute,$second) = array(0,0,0,0,0,0); + + switch ( $type ) + { + case 'us' : + { + list($year,$month,$day) = explode('-', $date); + break; + } + case 'unix' : + { + list($year,$month,$day,$hour,$minute) = + explode('.', date('Y.n.j.G.i', $date)); + break; + } + case 'mysql_datetime' : + { + preg_match('/^(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})$/', + $date, $out); + list($year,$month,$day,$hour,$minute,$second) = + array($out[1],$out[2],$out[3],$out[4],$out[5],$out[6]); + break; + } + } + $formated_date = ''; + // before 1970, Microsoft Windows can't mktime + if ($year >= 1970) + { + // we ask midday because Windows think it's prior to midnight with a + // zero and refuse to work + $formated_date.= $lang['day'][date('w', mktime(12,0,0,$month,$day,$year))]; + } + $formated_date.= ' '.$day; + $formated_date.= ' '.$lang['month'][(int)$month]; + $formated_date.= ' '.$year; + if ($show_time) + { + $formated_date.= ' '.$hour.':'.$minute; + } + + return $formated_date; +} + +function pwg_query($query) +{ + global $conf,$page,$debug,$t2; + + $start = get_moment(); + $result = mysql_query($query) or my_error($query."\n"); + + $time = get_moment() - $start; + + if (!isset($page['count_queries'])) + { + $page['count_queries'] = 0; + $page['queries_time'] = 0; + } + + $page['count_queries']++; + $page['queries_time']+= $time; + + if ($conf['show_queries']) + { + $output = ''; + $output.= '<pre>['.$page['count_queries'].'] '; + $output.= "\n".$query; + $output.= "\n".'(this query time : '; + $output.= '<b>'.number_format($time, 3, '.', ' ').' s)</b>'; + $output.= "\n".'(total SQL time : '; + $output.= number_format($page['queries_time'], 3, '.', ' ').' s)'; + $output.= "\n".'(total time : '; + $output.= number_format( ($time+$start-$t2), 3, '.', ' ').' s)'; + if ( $result!=null and preg_match('/\s*SELECT\s+/i',$query) ) + { + $output.= "\n".'(num rows : '; + $output.= mysql_num_rows($result).' )'; + } + elseif ( $result!=null + and preg_match('/\s*INSERT|UPDATE|REPLACE|DELETE\s+/i',$query) ) + { + $output.= "\n".'(affected rows : '; + $output.= mysql_affected_rows().' )'; + } + $output.= "</pre>\n"; + + $debug .= $output; + } + + return $result; +} + +function pwg_debug( $string ) +{ + global $debug,$t2,$page; + + $now = explode( ' ', microtime() ); + $now2 = explode( '.', $now[0] ); + $now2 = $now[1].'.'.$now2[1]; + $time = number_format( $now2 - $t2, 3, '.', ' ').' s'; + $debug .= '<p>'; + $debug.= '['.$time.', '; + $debug.= $page['count_queries'].' queries] : '.$string; + $debug.= "</p>\n"; +} + +/** + * Redirects to the given URL (HTTP method) + * + * Note : once this function called, the execution doesn't go further + * (presence of an exit() instruction. + * + * @param string $url + * @return void + */ +function redirect_http( $url ) +{ + if (ob_get_length () !== FALSE) + { + ob_clean(); + } + // default url is on html format + $url = html_entity_decode($url); + header('Request-URI: '.$url); + header('Content-Location: '.$url); + header('Location: '.$url); + exit(); +} + +/** + * Redirects to the given URL (HTML method) + * + * Note : once this function called, the execution doesn't go further + * (presence of an exit() instruction. + * + * @param string $url + * @param string $title_msg + * @param integer $refreh_time + * @return void + */ +function redirect_html( $url , $msg = '', $refresh_time = 0) +{ + global $user, $template, $lang_info, $conf, $lang, $t2, $page, $debug; + + if (!isset($lang_info)) + { + $user = build_user( $conf['guest_id'], true); + load_language('common.lang'); + trigger_action('loading_lang'); + load_language('local.lang'); + list($tmpl, $thm) = explode('/', get_default_template()); + $template = new Template(PHPWG_ROOT_PATH.'template/'.$tmpl, $thm); + } + else + { + $template = new Template(PHPWG_ROOT_PATH.'template/'.$user['template'], $user['theme']); + } + + if (empty($msg)) + { + $redirect_msg = l10n('redirect_msg'); + } + else + { + $redirect_msg = $msg; + } + $redirect_msg = nl2br($redirect_msg); + + $refresh = $refresh_time; + $url_link = $url; + $title = 'redirection'; + + $template->set_filenames( array( 'redirect' => 'redirect.tpl' ) ); + + include( PHPWG_ROOT_PATH.'include/page_header.php' ); + + $template->set_filenames( array( 'redirect' => 'redirect.tpl' ) ); + $template->parse('redirect'); + + include( PHPWG_ROOT_PATH.'include/page_tail.php' ); + + exit(); +} + +/** + * Redirects to the given URL (Switch to HTTP method or HTML method) + * + * Note : once this function called, the execution doesn't go further + * (presence of an exit() instruction. + * + * @param string $url + * @param string $title_msg + * @param integer $refreh_time + * @return void + */ +function redirect( $url , $msg = '', $refresh_time = 0) +{ + global $conf; + + // with RefeshTime <> 0, only html must be used + if ($conf['default_redirect_method']=='http' + and $refresh_time==0 + and !headers_sent() + ) + { + redirect_http($url); + } + else + { + redirect_html($url, $msg, $refresh_time); + } +} + +/** + * returns $_SERVER['QUERY_STRING'] whitout keys given in parameters + * + * @param array $rejects + * @param boolean $escape - if true escape & to & (for html) + * @returns string + */ +function get_query_string_diff($rejects=array(), $escape=true) +{ + $query_string = ''; + + $str = $_SERVER['QUERY_STRING']; + parse_str($str, $vars); + + $is_first = true; + foreach ($vars as $key => $value) + { + if (!in_array($key, $rejects)) + { + $query_string.= $is_first ? '?' : ($escape ? '&' : '&' ); + $is_first = false; + $query_string.= $key.'='.$value; + } + } + + return $query_string; +} + +function url_is_remote($url) +{ + if ( strncmp($url, 'http://', 7)==0 + or strncmp($url, 'https://', 8)==0 ) + { + return true; + } + return false; +} + +/** + * returns available template/theme + */ +function get_pwg_themes() +{ + global $conf; + $themes = array(); + + $template_dir = PHPWG_ROOT_PATH.'template'; + + foreach (get_dirs($template_dir) as $template) + { + foreach (get_dirs($template_dir.'/'.$template.'/theme') as $theme) + { + if ( ($template.'/'.$theme) != $conf['admin_layout'] ) + array_push($themes, $template.'/'.$theme); + } + } + + return $themes; +} + +/* Returns the PATH to the thumbnail to be displayed. If the element does not + * have a thumbnail, the default mime image path is returned. The PATH can be + * used in the php script, but not sent to the browser. + * @param array element_info assoc array containing element info from db + * at least 'path', 'tn_ext' and 'id' should be present + */ +function get_thumbnail_path($element_info) +{ + $path = get_thumbnail_location($element_info); + if ( !url_is_remote($path) ) + { + $path = PHPWG_ROOT_PATH.$path; + } + return $path; +} + +/* Returns the URL of the thumbnail to be displayed. If the element does not + * have a thumbnail, the default mime image url is returned. The URL can be + * sent to the browser, but not used in the php script. + * @param array element_info assoc array containing element info from db + * at least 'path', 'tn_ext' and 'id' should be present + */ +function get_thumbnail_url($element_info) +{ + $path = get_thumbnail_location($element_info); + if ( !url_is_remote($path) ) + { + $path = embellish_url(get_root_url().$path); + } + + // plugins want another url ? + $path = trigger_event('get_thumbnail_url', $path, $element_info); + return $path; +} + +/* returns the relative path of the thumnail with regards to to the root +of piwigo (not the current page!).This function is not intended to be +called directly from code.*/ +function get_thumbnail_location($element_info) +{ + global $conf; + if ( !empty( $element_info['tn_ext'] ) ) + { + $path = substr_replace( + get_filename_wo_extension($element_info['path']), + '/thumbnail/'.$conf['prefix_thumbnail'], + strrpos($element_info['path'],'/'), + 1 + ); + $path.= '.'.$element_info['tn_ext']; + } + else + { + $path = get_themeconf('mime_icon_dir') + .strtolower(get_extension($element_info['path'])).'.png'; + } + + // plugins want another location ? + $path = trigger_event( 'get_thumbnail_location', $path, $element_info); + return $path; +} + +/* returns the title of the thumnail */ +function get_thumbnail_title($element_info) +{ + // message in title for the thumbnail + if (isset($element_info['file'])) + { + $thumbnail_title = $element_info['file']; + } + else + { + $thumbnail_title = ''; + } + + if (!empty($element_info['filesize'])) + { + $thumbnail_title .= ' : '.l10n_dec('%d Kb', '%d Kb', $element_info['filesize']); + } + + return $thumbnail_title; +} + +// my_error returns (or send to standard output) the message concerning the +// error occured for the last mysql query. +function my_error($header) +{ + global $conf; + + $error = '<pre>'; + $error.= $header; + $error.= '[mysql error '.mysql_errno().'] '; + $error.= mysql_error(); + $error.= '</pre>'; + + if ($conf['die_on_sql_error']) + { + die($error); + } + else + { + echo $error; + } +} + +/** + * creates an array based on a query, this function is a very common pattern + * used here + * + * @param string $query + * @param string $fieldname + * @return array + */ +function array_from_query($query, $fieldname) +{ + $array = array(); + + $result = pwg_query($query); + while ($row = mysql_fetch_array($result)) + { + array_push($array, $row[$fieldname]); + } + + return $array; +} + +/** + * fill the current user caddie with given elements, if not already in + * caddie + * + * @param array elements_id + */ +function fill_caddie($elements_id) +{ + global $user; + + include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); + + $query = ' +SELECT element_id + FROM '.CADDIE_TABLE.' + WHERE user_id = '.$user['id'].' +;'; + $in_caddie = array_from_query($query, 'element_id'); + + $caddiables = array_diff($elements_id, $in_caddie); + + $datas = array(); + + foreach ($caddiables as $caddiable) + { + array_push($datas, array('element_id' => $caddiable, + 'user_id' => $user['id'])); + } + + if (count($caddiables) > 0) + { + mass_inserts(CADDIE_TABLE, array('element_id','user_id'), $datas); + } +} + +/** + * returns the element name from its filename + * + * @param string filename + * @return string name + */ +function get_name_from_file($filename) +{ + return str_replace('_',' ',get_filename_wo_extension($filename)); +} + +/** + * returns the corresponding value from $lang if existing. Else, the key is + * returned + * + * @param string key + * @return string + */ +function l10n($key) +{ + global $lang, $conf; + + if ($conf['debug_l10n'] and !isset($lang[$key]) and !empty($key)) + { + trigger_error('[l10n] language key "'.$key.'" is not defined', E_USER_NOTICE); + } + + return isset($lang[$key]) ? $lang[$key] : $key; +} + +/** + * returns the prinft value for strings including %d + * return is concorded with decimal value (singular, plural) + * + * @param singular string key + * @param plural string key + * @param decimal value + * @return string + */ +function l10n_dec($singular_fmt_key, $plural_fmt_key, $decimal) +{ + global $lang_info; + + return + sprintf( + l10n(( + (($decimal > 1) or ($decimal == 0 and $lang_info['zero_plural'])) + ? $plural_fmt_key + : $singular_fmt_key + )), $decimal); +} +/* + * returns a single element to use with l10n_args + * + * @param string key: translation key + * @param array/string/../number args: + * arguments to use on sprintf($key, args) + * if args is a array, each values are used on sprintf + * @return string + */ +function get_l10n_args($key, $args) +{ + if (is_array($args)) + { + $key_arg = array_merge(array($key), $args); + } + else + { + $key_arg = array($key, $args); + } + return array('key_args' => $key_arg); +} + +/* + * returns a string with formated with l10n_args elements + * + * @param element/array $key_args: element or array of l10n_args elements + * @param $sep: if $key_args is array, + * separator is used when translated l10n_args elements are concated + * @return string + */ +function l10n_args($key_args, $sep = "\n") +{ + if (is_array($key_args)) + { + foreach ($key_args as $key => $element) + { + if (isset($result)) + { + $result .= $sep; + } + else + { + $result = ''; + } + + if ($key === 'key_args') + { + array_unshift($element, l10n(array_shift($element))); + $result .= call_user_func_array('sprintf', $element); + } + else + { + $result .= l10n_args($element, $sep); + } + } + } + else + { + die('l10n_args: Invalid arguments'); + } + + return $result; +} + +/** + * returns the corresponding value from $themeconf if existing. Else, the + * key is returned + * + * @param string key + * @return string + */ +function get_themeconf($key) +{ + global $template; + + return $template->get_themeconf($key); +} + +/** + * Returns webmaster mail address depending on $conf['webmaster_id'] + * + * @return string + */ +function get_webmaster_mail_address() +{ + global $conf; + + $query = ' +SELECT '.$conf['user_fields']['email'].' + FROM '.USERS_TABLE.' + WHERE '.$conf['user_fields']['id'].' = '.$conf['webmaster_id'].' +;'; + list($email) = mysql_fetch_array(pwg_query($query)); + + return $email; +} + +/** + * which upgrades are available ? + * + * @return array + */ +function get_available_upgrade_ids() +{ + $upgrades_path = PHPWG_ROOT_PATH.'install/db'; + + $available_upgrade_ids = array(); + + if ($contents = opendir($upgrades_path)) + { + while (($node = readdir($contents)) !== false) + { + if (is_file($upgrades_path.'/'.$node) + and preg_match('/^(.*?)-database\.php$/', $node, $match)) + { + array_push($available_upgrade_ids, $match[1]); + } + } + } + natcasesort($available_upgrade_ids); + + return $available_upgrade_ids; +} + +/** + * Add configuration parameters from database to global $conf array + * + * @return void + */ +function load_conf_from_db($condition = '') +{ + global $conf; + + $query = ' +SELECT param, value + FROM '.CONFIG_TABLE.' + '.(!empty($condition) ? 'WHERE '.$condition : '').' +;'; + $result = pwg_query($query); + + if ((mysql_num_rows($result) == 0) and !empty($condition)) + { + die('No configuration data'); + } + + while ($row = mysql_fetch_array($result)) + { + $conf[ $row['param'] ] = isset($row['value']) ? $row['value'] : ''; + + // If the field is true or false, the variable is transformed into a + // boolean value. + if ($conf[$row['param']] == 'true' or $conf[$row['param']] == 'false') + { + $conf[ $row['param'] ] = get_boolean($conf[ $row['param'] ]); + } + } +} + +/** + * Prepends and appends a string at each value of the given array. + * + * @param array + * @param string prefix to each array values + * @param string suffix to each array values + */ +function prepend_append_array_items($array, $prepend_str, $append_str) +{ + array_walk( + $array, + create_function('&$s', '$s = "'.$prepend_str.'".$s."'.$append_str.'";') + ); + + return $array; +} + +/** + * creates an hashed based on a query, this function is a very common + * pattern used here. Among the selected columns fetched, choose one to be + * the key, another one to be the value. + * + * @param string $query + * @param string $keyname + * @param string $valuename + * @return array + */ +function simple_hash_from_query($query, $keyname, $valuename) +{ + $array = array(); + + $result = pwg_query($query); + while ($row = mysql_fetch_array($result)) + { + $array[ $row[$keyname] ] = $row[$valuename]; + } + + return $array; +} + +/** + * creates an hashed based on a query, this function is a very common + * pattern used here. The key is given as parameter, the value is an associative + * array. + * + * @param string $query + * @param string $keyname + * @return array + */ +function hash_from_query($query, $keyname) +{ + $array = array(); + $result = pwg_query($query); + while ($row = mysql_fetch_assoc($result)) + { + $array[ $row[$keyname] ] = $row; + } + return $array; +} + +/** + * Return basename of the current script + * Lower case convertion is applied on return value + * Return value is without file extention ".php" + * + * @param void + * + * @return script basename + */ +function script_basename() +{ + global $conf; + + foreach (array('SCRIPT_NAME', 'SCRIPT_FILENAME', 'PHP_SELF') as $value) + { + $continue = !empty($_SERVER[$value]); + if ($continue) + { + $filename = strtolower($_SERVER[$value]); + + if ($conf['php_extension_in_urls']) + { + $continue = get_extension($filename) === 'php'; + } + + if ($continue) + { + $basename = basename($filename, '.php'); + $continue = !empty($basename); + } + + if ($continue) + { + return $basename; + } + } + } + + return ''; +} + +/** + * Return value for the current page define on $conf['filter_pages'] + * Îf value is not defined, default value are returned + * + * @param value name + * + * @return filter page value + */ +function get_filter_page_value($value_name) +{ + global $conf; + + $page_name = script_basename(); + + if (isset($conf['filter_pages'][$page_name][$value_name])) + { + return $conf['filter_pages'][$page_name][$value_name]; + } + else if (isset($conf['filter_pages']['default'][$value_name])) + { + return $conf['filter_pages']['default'][$value_name]; + } + else + { + return null; + } +} + +/** + * returns the character set of data sent to browsers / received from forms + */ +function get_pwg_charset() +{ + defined('PWG_CHARSET') or die('load_language PWG_CHARSET undefined'); + return PWG_CHARSET; +} + +/** + * includes a language file or returns the content of a language file + * availability of the file + * + * in descending order of preference: + * param language, user language, default language + * Piwigo default language. + * + * @param string filename + * @param string dirname + * @param string language + * @param bool return_content - if true the file content is returned otherwise + * the file is evaluated as php + * @return boolean success status or a string if return_content is true + */ +function load_language($filename, $dirname = '', $language = '', + $return_content=false, $target_charset=null) +{ + global $user; + + if (!$return_content) + { + $filename .= '.php'; //MAYBE to do .. load .po and .mo localization files + } + if (empty($dirname)) + { + $dirname = PHPWG_ROOT_PATH; + } + $dirname .= 'language/'; + + $languages = array(); + if ( !empty($language) ) + { + $languages[] = $language; + } + if ( !empty($user['language']) ) + { + $languages[] = $user['language']; + } + if ( defined('PHPWG_INSTALLED') ) + { + $languages[] = get_default_language(); + } + $languages[] = PHPWG_DEFAULT_LANGUAGE; + $languages = array_unique($languages); + + if ( empty($target_charset) ) + { + $target_charset = get_pwg_charset(); + } + $target_charset = strtolower($target_charset); + $source_charset = ''; + $source_file = ''; + foreach ($languages as $language) + { + $dir = $dirname.$language; + + // exact charset match - no conversion required + $f = $dir.'.'.$target_charset.'/'.$filename; + if (file_exists($f)) + { + $source_file = $f; + break; + } + + // UTF-8 ? + $f = $dir.'/'.$filename; + if (file_exists($f)) + { + $source_charset = 'utf-8'; + $source_file = $f; + break; + } + + if ($target_charset=='utf-8') + { // we accept conversion from ISO-8859-1 to UTF-8 + $f = $dir.'.iso-8859-1/'.$filename; + if (file_exists($f)) + { + $source_charset = 'iso-8859-1'; + $source_file = $f; + break; + } + } + } + + if ( !empty($source_file) ) + { + if (!$return_content) + { + @include($source_file); + $load_lang = @$lang; + $load_lang_info = @$lang_info; + + global $lang, $lang_info; + if ( !isset($lang) ) $lang=array(); + if ( !isset($lang_info) ) $lang_info=array(); + + if ( !empty($source_charset) and $source_charset!=$target_charset) + { + if ( is_array($load_lang) ) + { + foreach ($load_lang as $k => $v) + { + if ( is_array($v) ) + { + $func = create_function('$v', 'return convert_charset($v, "'.$source_charset.'","'.$target_charset.'");' ); + $lang[$k] = array_map($func, $v); + } + else + $lang[$k] = convert_charset($v, $source_charset, $target_charset); + } + } + if ( is_array($load_lang_info) ) + { + foreach ($load_lang_info as $k => $v) + { + $lang_info[$k] = convert_charset($v, $source_charset, $target_charset); + } + } + } + else + { + $lang = array_merge( $lang, (array)$load_lang ); + $lang_info = array_merge( $lang_info, (array)$load_lang_info ); + } + return true; + } + else + { + $content = @file_get_contents($source_file); + if ( !empty($source_charset) and $source_charset!=$target_charset) + { + $content = convert_charset($content, $source_charset, $target_charset); + } + return $content; + } + } + return false; +} + +/** + * converts a string from a character set to another character set + * @param string str the string to be converted + * @param string source_charset the character set in which the string is encoded + * @param string dest_charset the destination character set + */ +function convert_charset($str, $source_charset, $dest_charset) +{ + if ($source_charset==$dest_charset) + return $str; + if ($source_charset=='iso-8859-1' and $dest_charset=='utf-8') + { + return utf8_encode($str); + } + if ($source_charset=='utf-8' and $dest_charset=='iso-8859-1') + { + return utf8_decode($str); + } + if (function_exists('iconv')) + { + return iconv($source_charset, $dest_charset, $str); + } + if (function_exists('mb_convert_encoding')) + { + return mb_convert_encoding( $str, $dest_charset, $source_charset ); + } + return $str; //??? +} +?>
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