| 1 | <?php |
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| 2 | /*************************************************************************** |
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| 3 | * functions.inc.php * |
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| 4 | * ------------------- * |
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| 5 | * application : PhpWebGallery 1.3 <http://phpwebgallery.net> * |
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| 6 | * author : Pierrick LE GALL <pierrick@z0rglub.com> * |
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| 7 | * * |
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| 8 | * $Id: functions.inc.php 141 2003-09-20 15:04:09Z z0rglub $ |
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| 9 | * * |
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| 10 | *************************************************************************** |
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| 11 | |
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| 12 | *************************************************************************** |
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| 13 | * * |
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| 14 | * This program is free software; you can redistribute it and/or modify * |
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| 15 | * it under the terms of the GNU General Public License as published by * |
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| 16 | * the Free Software Foundation; * |
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| 17 | * * |
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| 18 | ***************************************************************************/ |
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| 19 | include( PREFIX_INCLUDE.'./include/functions_user.inc.php' ); |
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| 20 | include( PREFIX_INCLUDE.'./include/functions_session.inc.php' ); |
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| 21 | include( PREFIX_INCLUDE.'./include/functions_category.inc.php' ); |
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| 22 | include( PREFIX_INCLUDE.'./include/functions_xml.inc.php' ); |
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| 23 | include( PREFIX_INCLUDE.'./include/functions_group.inc.php' ); |
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| 24 | |
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| 25 | //----------------------------------------------------------- generic functions |
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| 26 | |
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| 27 | // get_enums returns an array containing the possible values of a enum field |
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| 28 | // in a table of the database. |
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| 29 | function get_enums( $table, $field ) |
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| 30 | { |
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| 31 | // retrieving the properties of the table. Each line represents a field : |
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| 32 | // columns are 'Field', 'Type' |
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| 33 | $result=mysql_query("desc $table"); |
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| 34 | while ( $row = mysql_fetch_array( $result ) ) |
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| 35 | { |
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| 36 | // we are only interested in the the field given in parameter for the |
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| 37 | // function |
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| 38 | if ( $row['Field']==$field ) |
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| 39 | { |
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| 40 | // retrieving possible values of the enum field |
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| 41 | // enum('blue','green','black') |
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| 42 | $option = explode( ',', substr($row['Type'], 5, -1 ) ); |
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| 43 | for ( $i = 0; $i < sizeof( $option ); $i++ ) |
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| 44 | { |
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| 45 | // deletion of quotation marks |
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| 46 | $option[$i] = str_replace( "'", '',$option[$i] ); |
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| 47 | } |
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| 48 | } |
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| 49 | } |
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| 50 | mysql_free_result( $result ); |
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| 51 | return $option; |
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| 52 | } |
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| 53 | |
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| 54 | // get_boolean transforms a string to a boolean value. If the string is |
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| 55 | // "false" (case insensitive), then the boolean value false is returned. In |
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| 56 | // any other case, true is returned. |
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| 57 | function get_boolean( $string ) |
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| 58 | { |
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| 59 | $boolean = true; |
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| 60 | if ( preg_match( '/^false$/i', $string ) ) |
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| 61 | { |
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| 62 | $boolean = false; |
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| 63 | } |
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| 64 | return $boolean; |
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| 65 | } |
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| 66 | |
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| 67 | // array_remove removes a value from the given array if the value existed in |
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| 68 | // this array. |
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| 69 | function array_remove( $array, $value ) |
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| 70 | { |
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| 71 | $output = array(); |
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| 72 | foreach ( $array as $v ) { |
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| 73 | if ( $v != $value ) array_push( $output, $v ); |
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| 74 | } |
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| 75 | return $output; |
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| 76 | } |
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| 77 | |
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| 78 | // The function get_moment returns a float value coresponding to the number |
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| 79 | // of seconds since the unix epoch (1st January 1970) and the microseconds |
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| 80 | // are precised : e.g. 1052343429.89276600 |
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| 81 | function get_moment() |
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| 82 | { |
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| 83 | $t1 = explode( ' ', microtime() ); |
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| 84 | $t2 = explode( '.', $t1[0] ); |
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| 85 | $t2 = $t1[1].'.'.$t2[1]; |
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| 86 | return $t2; |
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| 87 | } |
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| 88 | |
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| 89 | // The function get_elapsed_time returns the number of seconds (with 3 |
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| 90 | // decimals precision) between the start time and the end time given. |
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| 91 | function get_elapsed_time( $start, $end ) |
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| 92 | { |
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| 93 | return number_format( $end - $start, 3, '.', ' ').' s'; |
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| 94 | } |
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| 95 | |
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| 96 | // - The replace_space function replaces space and '-' characters |
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| 97 | // by their HTML equivalent &nbsb; and − |
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| 98 | // - The function does not replace characters in HTML tags |
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| 99 | // - This function was created because IE5 does not respect the |
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| 100 | // CSS "white-space: nowrap;" property unless space and minus |
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| 101 | // characters are replaced like this function does. |
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| 102 | // - Example : |
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| 103 | // <div class="foo">My friend</div> |
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| 104 | // ( 01234567891111111111222222222233 ) |
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| 105 | // ( 0123456789012345678901 ) |
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| 106 | // becomes : |
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| 107 | // <div class="foo">My friend</div> |
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| 108 | function replace_space( $string ) |
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| 109 | { |
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| 110 | //return $string; |
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| 111 | $return_string = ''; |
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| 112 | // $remaining is the rest of the string where to replace spaces characters |
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| 113 | $remaining = $string; |
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| 114 | // $start represents the position of the next '<' character |
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| 115 | // $end represents the position of the next '>' character |
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| 116 | $start = 0; |
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| 117 | $end = 0; |
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| 118 | $start = strpos ( $remaining, '<' ); // -> 0 |
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| 119 | $end = strpos ( $remaining, '>' ); // -> 16 |
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| 120 | // as long as a '<' and his friend '>' are found, we loop |
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| 121 | while ( is_numeric( $start ) and is_numeric( $end ) ) |
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| 122 | { |
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| 123 | // $treatment is the part of the string to treat |
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| 124 | // In the first loop of our example, this variable is empty, but in the |
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| 125 | // second loop, it equals 'My friend' |
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| 126 | $treatment = substr ( $remaining, 0, $start ); |
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| 127 | // Replacement of ' ' by his equivalent ' ' |
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| 128 | $treatment = str_replace( ' ', ' ', $treatment ); |
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| 129 | $treatment = str_replace( '-', '−', $treatment ); |
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| 130 | // composing the string to return by adding the treated string and the |
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| 131 | // following HTML tag -> 'My friend</div>' |
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| 132 | $return_string.= $treatment.substr( $remaining, $start, $end-$start+1 ); |
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| 133 | // the remaining string is deplaced to the part after the '>' of this |
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| 134 | // loop |
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| 135 | $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); |
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| 136 | $start = strpos ( $remaining, '<' ); |
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| 137 | $end = strpos ( $remaining, '>' ); |
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| 138 | } |
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| 139 | $treatment = str_replace( ' ', ' ', $remaining ); |
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| 140 | $treatment = str_replace( '-', '−', $treatment ); |
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| 141 | $return_string.= $treatment; |
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| 142 | |
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| 143 | return $return_string; |
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| 144 | } |
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| 145 | |
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| 146 | // get_extension returns the part of the string after the last "." |
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| 147 | function get_extension( $filename ) |
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| 148 | { |
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| 149 | return substr( strrchr( $filename, '.' ), 1, strlen ( $filename ) ); |
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| 150 | } |
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| 151 | |
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| 152 | // get_filename_wo_extension returns the part of the string before the last |
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| 153 | // ".". |
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| 154 | // get_filename_wo_extension( 'test.tar.gz' ) -> 'test.tar' |
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| 155 | function get_filename_wo_extension( $filename ) |
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| 156 | { |
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| 157 | return substr( $filename, 0, strrpos( $filename, '.' ) ); |
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| 158 | } |
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| 159 | |
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| 160 | // get_dirs retourne un tableau contenant tous les sous-répertoires d'un |
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| 161 | // répertoire |
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| 162 | function get_dirs( $rep ) |
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| 163 | { |
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| 164 | $sub_rep = array(); |
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| 165 | |
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| 166 | if ( $opendir = opendir ( $rep ) ) |
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| 167 | { |
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| 168 | while ( $file = readdir ( $opendir ) ) |
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| 169 | { |
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| 170 | if ( $file != '.' and $file != '..' and is_dir ( $rep.$file ) ) |
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| 171 | { |
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| 172 | array_push( $sub_rep, $file ); |
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| 173 | } |
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| 174 | } |
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| 175 | } |
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| 176 | return $sub_rep; |
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| 177 | } |
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| 178 | |
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| 179 | // The get_picture_size function return an array containing : |
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| 180 | // - $picture_size[0] : final width |
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| 181 | // - $picture_size[1] : final height |
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| 182 | // The final dimensions are calculated thanks to the original dimensions and |
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| 183 | // the maximum dimensions given in parameters. get_picture_size respects |
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| 184 | // the width/height ratio |
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| 185 | function get_picture_size( $original_width, $original_height, |
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| 186 | $max_width, $max_height ) |
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| 187 | { |
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| 188 | $width = $original_width; |
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| 189 | $height = $original_height; |
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| 190 | $is_original_size = true; |
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| 191 | |
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| 192 | if ( $max_width != "" ) |
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| 193 | { |
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| 194 | if ( $original_width > $max_width ) |
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| 195 | { |
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| 196 | $width = $max_width; |
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| 197 | $height = floor( ( $width * $original_height ) / $original_width ); |
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| 198 | } |
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| 199 | } |
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| 200 | if ( $max_height != "" ) |
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| 201 | { |
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| 202 | if ( $original_height > $max_height ) |
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| 203 | { |
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| 204 | $height = $max_height; |
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| 205 | $width = floor( ( $height * $original_width ) / $original_height ); |
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| 206 | $is_original_size = false; |
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| 207 | } |
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| 208 | } |
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| 209 | if ( is_numeric( $max_width ) and is_numeric( $max_height ) |
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| 210 | and $max_width != 0 and $max_height != 0 ) |
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| 211 | { |
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| 212 | $ratioWidth = $original_width / $max_width; |
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| 213 | $ratioHeight = $original_height / $max_height; |
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| 214 | if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) |
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| 215 | { |
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| 216 | if ( $ratioWidth < $ratioHeight ) |
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| 217 | { |
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| 218 | $width = floor( $original_width / $ratioHeight ); |
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| 219 | $height = $max_height; |
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| 220 | } |
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| 221 | else |
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| 222 | { |
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| 223 | $width = $max_width; |
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| 224 | $height = floor( $original_height / $ratioWidth ); |
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| 225 | } |
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| 226 | $is_original_size = false; |
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| 227 | } |
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| 228 | } |
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| 229 | $picture_size = array(); |
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| 230 | $picture_size[0] = $width; |
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| 231 | $picture_size[1] = $height; |
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| 232 | return $picture_size; |
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| 233 | } |
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| 234 | //-------------------------------------------- PhpWebGallery specific functions |
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| 235 | |
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| 236 | // get_languages retourne un tableau contenant tous les languages |
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| 237 | // disponibles pour PhpWebGallery |
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| 238 | function get_languages( $rep_language ) |
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| 239 | { |
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| 240 | $languages = array(); |
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| 241 | $i = 0; |
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| 242 | if ( $opendir = opendir ( $rep_language ) ) |
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| 243 | { |
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| 244 | while ( $file = readdir ( $opendir ) ) |
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| 245 | { |
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| 246 | if ( is_file ( $rep_language.$file ) |
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| 247 | and $file != "index.php" |
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| 248 | and strrchr ( $file, "." ) == ".php" ) |
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| 249 | { |
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| 250 | $languages[$i++] = |
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| 251 | substr ( $file, 0, strlen ( $file ) |
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| 252 | - strlen ( strrchr ( $file, "." ) ) ); |
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| 253 | } |
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| 254 | } |
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| 255 | } |
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| 256 | return $languages; |
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| 257 | } |
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| 258 | |
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| 259 | // get_themes retourne un tableau contenant tous les "template - couleur" |
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| 260 | function get_themes( $theme_dir ) |
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| 261 | { |
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| 262 | $themes = array(); |
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| 263 | $main_themes = get_dirs( $theme_dir ); |
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| 264 | for ( $i = 0; $i < sizeof( $main_themes ); $i++ ) |
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| 265 | { |
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| 266 | $colors = get_dirs( $theme_dir.$main_themes[$i].'/' ); |
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| 267 | for ( $j = 0; $j < sizeof( $colors ); $j++ ) |
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| 268 | { |
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| 269 | array_push( $themes, $main_themes[$i].' - '.$colors[$j] ); |
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| 270 | } |
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| 271 | } |
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| 272 | return $themes; |
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| 273 | } |
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| 274 | |
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| 275 | // - add_style replaces the |
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| 276 | // $search into <span style="$style">$search</span> |
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| 277 | // in the given $string. |
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| 278 | // - The function does not replace characters in HTML tags |
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| 279 | function add_style( $string, $search, $style ) |
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| 280 | { |
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| 281 | //return $string; |
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| 282 | $return_string = ''; |
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| 283 | $remaining = $string; |
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| 284 | |
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| 285 | $start = 0; |
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| 286 | $end = 0; |
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| 287 | $start = strpos ( $remaining, '<' ); |
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| 288 | $end = strpos ( $remaining, '>' ); |
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| 289 | while ( is_numeric( $start ) and is_numeric( $end ) ) |
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| 290 | { |
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| 291 | $treatment = substr ( $remaining, 0, $start ); |
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| 292 | $treatment = str_replace( $search, '<span style="'.$style.'">'. |
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| 293 | $search.'</span>', $treatment ); |
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| 294 | $return_string.= $treatment.substr( $remaining, $start, $end-$start+1 ); |
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| 295 | $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); |
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| 296 | $start = strpos ( $remaining, '<' ); |
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| 297 | $end = strpos ( $remaining, '>' ); |
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| 298 | } |
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| 299 | $treatment = str_replace( $search, '<span style="'.$style.'">'. |
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| 300 | $search.'</span>', $remaining ); |
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| 301 | $return_string.= $treatment; |
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| 302 | |
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| 303 | return $return_string; |
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| 304 | } |
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| 305 | |
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| 306 | // replace_search replaces a searched words array string by the search in |
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| 307 | // another style for the given $string. |
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| 308 | function replace_search( $string, $search ) |
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| 309 | { |
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| 310 | $words = explode( ',', $search ); |
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| 311 | $style = 'background-color:white;color:red;'; |
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| 312 | foreach ( $words as $word ) { |
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| 313 | $string = add_style( $string, $word, $style ); |
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| 314 | } |
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| 315 | return $string; |
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| 316 | } |
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| 317 | |
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| 318 | function database_connection() |
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| 319 | { |
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| 320 | include( PREFIX_INCLUDE.'./include/mysql.inc.php' ); |
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| 321 | define( PREFIX_TABLE, $prefixeTable ); |
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| 322 | |
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| 323 | @mysql_connect( $cfgHote, $cfgUser, $cfgPassword ) |
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| 324 | or die ( "Could not connect to server" ); |
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| 325 | @mysql_select_db( $cfgBase ) |
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| 326 | or die ( "Could not connect to database" ); |
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| 327 | } |
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| 328 | |
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| 329 | function pwg_log( $file, $category, $picture = '' ) |
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| 330 | { |
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| 331 | global $conf, $user; |
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| 332 | |
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| 333 | if ( $conf['log'] ) |
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| 334 | { |
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| 335 | $query = 'insert into '.PREFIX_TABLE.'history'; |
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| 336 | $query.= ' (date,login,IP,file,category,picture) values'; |
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| 337 | $query.= " (".time().", '".$user['username']."'"; |
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| 338 | $query.= ",'".$_SERVER['REMOTE_ADDR']."'"; |
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| 339 | $query.= ",'".$file."','".$category."','".$picture."');"; |
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| 340 | mysql_query( $query ); |
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| 341 | } |
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| 342 | } |
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| 343 | |
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| 344 | function templatize_array( $array, $global_array_name, $handle ) |
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| 345 | { |
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| 346 | global $vtp, $lang, $page, $user, $conf; |
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| 347 | |
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| 348 | foreach ( $array as $value ) { |
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| 349 | $vtp->setGlobalVar( $handle, $value, ${$global_array_name}[$value] ); |
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| 350 | } |
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| 351 | } |
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| 352 | |
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| 353 | // format_date returns a formatted date for display. The date given in |
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| 354 | // argument can be a unixdate (number of seconds since the 01.01.1970) or an |
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| 355 | // american format (2003-09-15). By option, you can show the time. The |
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| 356 | // output is internationalized. |
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| 357 | // |
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| 358 | // format_date( "2003-09-15", 'us', true ) -> "Monday 15 September 2003 21:52" |
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| 359 | function format_date( $date, $type = 'us', $show_time = false ) |
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| 360 | { |
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| 361 | global $lang; |
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| 362 | |
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| 363 | switch ( $type ) |
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| 364 | { |
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| 365 | case 'us' : |
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| 366 | list( $year,$month,$day ) = explode( '-', $date ); |
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| 367 | $unixdate = mktime(0,0,0,$month,$day,$year); |
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| 368 | break; |
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| 369 | case 'unix' : |
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| 370 | $unixdate = $date; |
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| 371 | break; |
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| 372 | } |
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| 373 | $formated_date = $lang['day'][date( "w", $unixdate )]; |
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| 374 | $formated_date.= date( " j ", $unixdate ); |
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| 375 | $formated_date.= $lang['month'][date( "n", $unixdate )]; |
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| 376 | $formated_date.= date( ' Y', $unixdate ); |
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| 377 | if ( $show_time ) |
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| 378 | { |
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| 379 | $formated_date.= date( ' G:i', $unixdate ); |
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| 380 | } |
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| 381 | |
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| 382 | return $formated_date; |
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| 383 | } |
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| 384 | |
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| 385 | // notify sends a email to every admin of the gallery |
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| 386 | function notify( $type, $infos = '' ) |
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| 387 | { |
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| 388 | global $conf; |
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| 389 | |
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| 390 | $headers = 'From: '.$conf['webmaster'].' <'.$conf['mail_webmaster'].'>'."\n"; |
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| 391 | $headers.= 'Reply-To: '.$conf['mail_webmaster']."\n"; |
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| 392 | $headers.= 'X-Mailer: PhpWebGallery, PHP '.phpversion(); |
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| 393 | |
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| 394 | $options = '-f '.$conf['mail_webmaster']; |
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| 395 | // retrieving all administrators |
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| 396 | $query = 'SELECT username,mail_address,language'; |
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| 397 | $query.= ' FROM '.PREFIX_TABLE.'users'; |
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| 398 | $query.= " WHERE status = 'admin'"; |
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| 399 | $query.= ' AND mail_address IS NOT NULL'; |
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| 400 | $query.= ';'; |
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| 401 | $result = mysql_query( $query ); |
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| 402 | while ( $row = mysql_fetch_array( $result ) ) |
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| 403 | { |
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| 404 | $to = $row['mail_address']; |
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| 405 | include( PREFIX_INCLUDE.'./language/'.$row['language'].'.php' ); |
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| 406 | $content = $lang['mail_hello']."\n\n"; |
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| 407 | switch ( $type ) |
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| 408 | { |
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| 409 | case 'upload' : |
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| 410 | $subject = $lang['mail_new_upload_subject']; |
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| 411 | $content.= $lang['mail_new_upload_content']; |
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| 412 | break; |
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| 413 | case 'comment' : |
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| 414 | $subject = $lang['mail_new_comment_subject']; |
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| 415 | $content.= $lang['mail_new_comment_content']; |
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| 416 | break; |
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| 417 | } |
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| 418 | $infos = str_replace( ' ', ' ', $infos ); |
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| 419 | $infos = str_replace( '−', '-', $infos ); |
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| 420 | $content.= "\n\n".$infos; |
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| 421 | $content.= "\n\n-- \nPhpWebGallery ".$conf['version']; |
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| 422 | $content = wordwrap( $content, 72 ); |
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| 423 | @mail( $to, $subject, $content, $headers, $options ); |
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| 424 | } |
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| 425 | } |
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| 426 | ?> |
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