[1109] | 1 | <?php |
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| 2 | // +-----------------------------------------------------------------------+ |
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[8728] | 3 | // | Piwigo - a PHP based photo gallery | |
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[2297] | 4 | // +-----------------------------------------------------------------------+ |
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[26461] | 5 | // | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org | |
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[2297] | 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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[1109] | 23 | |
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| 24 | |
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| 25 | /** |
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| 26 | * returns a prefix for each url link on displayed page |
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[1374] | 27 | * and return an empty string for current path |
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[1109] | 28 | * @return string |
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| 29 | */ |
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| 30 | function get_root_url() |
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| 31 | { |
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| 32 | global $page; |
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[13240] | 33 | if ( ($root_url = @$page['root_path']) == null ) |
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[1750] | 34 | {// TODO - add HERE the possibility to call PWG functions from external scripts |
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[1374] | 35 | $root_url = PHPWG_ROOT_PATH; |
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[13258] | 36 | if ( strncmp($root_url, './', 2) == 0 ) |
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| 37 | { |
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| 38 | return substr($root_url, 2); |
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| 39 | } |
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[1374] | 40 | } |
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[13258] | 41 | return $root_url; |
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[1109] | 42 | } |
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| 43 | |
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| 44 | /** |
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[1750] | 45 | * returns the absolute url to the root of PWG |
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| 46 | * @param boolean with_scheme if false - does not add http://toto.com |
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[1566] | 47 | */ |
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[1750] | 48 | function get_absolute_root_url($with_scheme=true) |
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[1566] | 49 | { |
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[1750] | 50 | // TODO - add HERE the possibility to call PWG functions from external scripts |
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| 51 | $url = ''; |
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| 52 | if ($with_scheme) |
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[1566] | 53 | { |
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[23187] | 54 | $is_https = false; |
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[6411] | 55 | if (isset($_SERVER['HTTPS']) && |
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[23187] | 56 | ((strtolower($_SERVER['HTTPS']) == 'on') or ($_SERVER['HTTPS'] == 1))) |
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[2229] | 57 | { |
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[23187] | 58 | $is_https = true; |
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[3403] | 59 | $url .= 'https://'; |
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[2229] | 60 | } |
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| 61 | else |
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| 62 | { |
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[3403] | 63 | $url .= 'http://'; |
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[2229] | 64 | } |
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| 65 | $url .= $_SERVER['HTTP_HOST']; |
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[23187] | 66 | if ( (!$is_https && $_SERVER['SERVER_PORT'] != 80) |
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| 67 | ||($is_https && $_SERVER['SERVER_PORT'] != 443)) |
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[1750] | 68 | { |
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[2083] | 69 | $url_port = ':'.$_SERVER['SERVER_PORT']; |
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| 70 | if (strrchr($url, ':') != $url_port) |
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| 71 | { |
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| 72 | $url .= $url_port; |
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| 73 | } |
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[1750] | 74 | } |
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[1566] | 75 | } |
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[1750] | 76 | $url .= cookie_path(); |
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[1566] | 77 | return $url; |
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| 78 | } |
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| 79 | |
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| 80 | /** |
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[1109] | 81 | * adds one or more _GET style parameters to an url |
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| 82 | * example: add_url_params('/x', array('a'=>'b')) returns /x?a=b |
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| 83 | * add_url_params('/x?cat_id=10', array('a'=>'b')) returns /x?cat_id=10&a=b |
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| 84 | * @param string url |
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| 85 | * @param array params |
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| 86 | * @return string |
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| 87 | */ |
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[8079] | 88 | function add_url_params($url, $params, $arg_separator='&' ) |
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[1109] | 89 | { |
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| 90 | if ( !empty($params) ) |
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| 91 | { |
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| 92 | assert( is_array($params) ); |
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| 93 | $is_first = true; |
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| 94 | foreach($params as $param=>$val) |
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| 95 | { |
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| 96 | if ($is_first) |
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| 97 | { |
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| 98 | $is_first = false; |
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[8079] | 99 | $url .= ( strpos($url, '?')===false ) ? '?' : $arg_separator; |
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[1109] | 100 | } |
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| 101 | else |
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| 102 | { |
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[8079] | 103 | $url .= $arg_separator; |
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[1109] | 104 | } |
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| 105 | $url .= $param; |
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| 106 | if (isset($val)) |
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| 107 | { |
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| 108 | $url .= '='.$val; |
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| 109 | } |
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| 110 | } |
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| 111 | } |
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| 112 | return $url; |
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| 113 | } |
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| 114 | |
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| 115 | /** |
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| 116 | * build an index URL for a specific section |
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| 117 | * |
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| 118 | * @param array |
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| 119 | * @return string |
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| 120 | */ |
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[1503] | 121 | function make_index_url($params = array()) |
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[1109] | 122 | { |
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| 123 | global $conf; |
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| 124 | $url = get_root_url().'index'; |
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| 125 | if ($conf['php_extension_in_urls']) |
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| 126 | { |
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| 127 | $url .= '.php'; |
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| 128 | } |
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| 129 | if ($conf['question_mark_in_urls']) |
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| 130 | { |
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| 131 | $url .= '?'; |
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| 132 | } |
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[9353] | 133 | |
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| 134 | $url_before_params = $url; |
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[27388] | 135 | |
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[1503] | 136 | $url.= make_section_in_url($params); |
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[1109] | 137 | $url = add_well_known_params_in_url($url, $params); |
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[9353] | 138 | |
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| 139 | if ($url == $url_before_params) |
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| 140 | { |
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[14180] | 141 | $url = get_absolute_root_url( url_is_remote($url) ); |
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[9353] | 142 | } |
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[27388] | 143 | |
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[1109] | 144 | return $url; |
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| 145 | } |
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| 146 | |
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| 147 | /** |
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| 148 | * build an index URL with current page parameters, but with redefinitions |
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| 149 | * and removes. |
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| 150 | * |
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[1861] | 151 | * duplicate_index_url( array( |
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| 152 | * 'category' => array('id'=>12, 'name'=>'toto'), |
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| 153 | * array('start') |
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| 154 | * ) will create an index URL on the current section (categories), but on |
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| 155 | * a redefined category and without the start URL parameter. |
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[1109] | 156 | * |
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| 157 | * @param array redefined keys |
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| 158 | * @param array removed keys |
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| 159 | * @return string |
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| 160 | */ |
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[1503] | 161 | function duplicate_index_url($redefined = array(), $removed = array()) |
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[1109] | 162 | { |
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[1503] | 163 | return make_index_url( |
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[1109] | 164 | params_for_duplication($redefined, $removed) |
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| 165 | ); |
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| 166 | } |
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| 167 | |
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| 168 | /** |
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| 169 | * returns $page global array with key redefined and key removed |
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| 170 | * |
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| 171 | * @param array redefined keys |
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| 172 | * @param array removed keys |
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| 173 | * @return array |
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| 174 | */ |
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| 175 | function params_for_duplication($redefined, $removed) |
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| 176 | { |
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| 177 | global $page; |
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| 178 | |
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[3126] | 179 | $params = $page; |
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[1109] | 180 | |
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[3126] | 181 | foreach ($removed as $param_key) |
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[1109] | 182 | { |
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[3126] | 183 | unset($params[$param_key]); |
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[1109] | 184 | } |
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| 185 | |
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| 186 | foreach ($redefined as $redefined_param => $redefined_value) |
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| 187 | { |
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| 188 | $params[$redefined_param] = $redefined_value; |
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| 189 | } |
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| 190 | |
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| 191 | return $params; |
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| 192 | } |
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| 193 | |
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| 194 | /** |
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| 195 | * create a picture URL with current page parameters, but with redefinitions |
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[1503] | 196 | * and removes. See duplicate_index_url. |
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[1109] | 197 | * |
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| 198 | * @param array redefined keys |
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| 199 | * @param array removed keys |
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| 200 | * @return string |
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| 201 | */ |
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[1503] | 202 | function duplicate_picture_url($redefined = array(), $removed = array()) |
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[1109] | 203 | { |
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[1503] | 204 | return make_picture_url( |
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[1109] | 205 | params_for_duplication($redefined, $removed) |
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| 206 | ); |
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| 207 | } |
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| 208 | |
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| 209 | /** |
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| 210 | * create a picture URL on a specific section for a specific picture |
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| 211 | * |
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| 212 | * @param array |
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| 213 | * @return string |
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| 214 | */ |
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[1503] | 215 | function make_picture_url($params) |
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[1109] | 216 | { |
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| 217 | global $conf; |
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| 218 | |
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| 219 | $url = get_root_url().'picture'; |
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| 220 | if ($conf['php_extension_in_urls']) |
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| 221 | { |
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| 222 | $url .= '.php'; |
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| 223 | } |
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| 224 | if ($conf['question_mark_in_urls']) |
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| 225 | { |
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| 226 | $url .= '?'; |
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| 227 | } |
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| 228 | $url.= '/'; |
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| 229 | switch ( $conf['picture_url_style'] ) |
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| 230 | { |
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| 231 | case 'id-file': |
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| 232 | $url .= $params['image_id']; |
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| 233 | if ( isset($params['image_file']) ) |
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| 234 | { |
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[23822] | 235 | $url .= '-'.str2url(get_filename_wo_extension($params['image_file'])); |
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[1109] | 236 | } |
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| 237 | break; |
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| 238 | case 'file': |
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[1562] | 239 | if ( isset($params['image_file']) ) |
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[1109] | 240 | { |
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[1562] | 241 | $fname_wo_ext = get_filename_wo_extension($params['image_file']); |
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[2773] | 242 | if ( ord($fname_wo_ext)>ord('9') or !preg_match('/^\d+(-|$)/', $fname_wo_ext) ) |
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[1562] | 243 | { |
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| 244 | $url .= $fname_wo_ext; |
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| 245 | break; |
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| 246 | } |
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[1109] | 247 | } |
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| 248 | default: |
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| 249 | $url .= $params['image_id']; |
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| 250 | } |
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[1956] | 251 | if ( !isset($params['category'] ) ) |
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| 252 | {// make urls shorter ... |
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[2155] | 253 | unset( $params['flat'] ); |
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[1956] | 254 | } |
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[1503] | 255 | $url .= make_section_in_url($params); |
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[1109] | 256 | $url = add_well_known_params_in_url($url, $params); |
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| 257 | return $url; |
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| 258 | } |
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| 259 | |
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| 260 | /** |
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| 261 | *adds to the url the chronology and start parameters |
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| 262 | */ |
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| 263 | function add_well_known_params_in_url($url, $params) |
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| 264 | { |
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| 265 | if ( isset($params['chronology_field']) ) |
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| 266 | { |
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| 267 | $url .= '/'. $params['chronology_field']; |
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| 268 | $url .= '-'. $params['chronology_style']; |
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| 269 | if ( isset($params['chronology_view']) ) |
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| 270 | { |
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| 271 | $url .= '-'. $params['chronology_view']; |
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| 272 | } |
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| 273 | if ( !empty($params['chronology_date']) ) |
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| 274 | { |
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| 275 | $url .= '-'. implode('-', $params['chronology_date'] ); |
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| 276 | } |
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| 277 | } |
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| 278 | |
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[1800] | 279 | if (isset($params['flat'])) |
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[1677] | 280 | { |
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[1789] | 281 | $url.= '/flat'; |
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[1677] | 282 | } |
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| 283 | |
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[1109] | 284 | if (isset($params['start']) and $params['start'] > 0) |
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| 285 | { |
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| 286 | $url.= '/start-'.$params['start']; |
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| 287 | } |
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| 288 | return $url; |
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| 289 | } |
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| 290 | |
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| 291 | /** |
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| 292 | * return the section token of an index or picture URL. |
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| 293 | * |
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| 294 | * Depending on section, other parameters are required (see function code |
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| 295 | * for details) |
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| 296 | * |
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| 297 | * @param array |
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| 298 | * @return string |
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| 299 | */ |
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[1503] | 300 | function make_section_in_url($params) |
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[1109] | 301 | { |
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[1131] | 302 | global $conf; |
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[1109] | 303 | $section_string = ''; |
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[13258] | 304 | $section = @$params['section']; |
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| 305 | if (!isset($section)) |
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| 306 | { |
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| 307 | $section_of = array( |
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| 308 | 'category' => 'categories', |
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| 309 | 'tags' => 'tags', |
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| 310 | 'list' => 'list', |
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| 311 | 'search' => 'search', |
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| 312 | ); |
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[1109] | 313 | |
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[13258] | 314 | foreach ($section_of as $param => $s) |
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| 315 | { |
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| 316 | if (isset($params[$param])) |
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| 317 | { |
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| 318 | $section = $s; |
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| 319 | } |
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| 320 | } |
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[1119] | 321 | |
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[13258] | 322 | if (!isset($section)) |
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| 323 | { |
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| 324 | $section = 'none'; |
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| 325 | } |
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| 326 | } |
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[1109] | 327 | |
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[13240] | 328 | switch($section) |
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[1109] | 329 | { |
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| 330 | case 'categories' : |
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| 331 | { |
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| 332 | if (!isset($params['category'])) |
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| 333 | { |
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[1119] | 334 | $section_string.= '/categories'; |
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[1109] | 335 | } |
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| 336 | else |
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| 337 | { |
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[1861] | 338 | isset($params['category']['name']) or trigger_error( |
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| 339 | 'make_section_in_url category name not set', E_USER_WARNING |
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| 340 | ); |
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| 341 | |
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[1866] | 342 | array_key_exists('permalink', $params['category']) or trigger_error( |
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| 343 | 'make_section_in_url category permalink not set', E_USER_WARNING |
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| 344 | ); |
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| 345 | |
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| 346 | $section_string.= '/category/'; |
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| 347 | if ( empty($params['category']['permalink']) ) |
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[1131] | 348 | { |
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[1866] | 349 | $section_string.= $params['category']['id']; |
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| 350 | if ( $conf['category_url_style']=='id-name' ) |
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| 351 | { |
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| 352 | $section_string.= '-'.str2url($params['category']['name']); |
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| 353 | } |
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[1131] | 354 | } |
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[1866] | 355 | else |
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| 356 | { |
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| 357 | $section_string.= $params['category']['permalink']; |
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| 358 | } |
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[1109] | 359 | } |
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| 360 | |
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| 361 | break; |
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| 362 | } |
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| 363 | case 'tags' : |
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| 364 | { |
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| 365 | $section_string.= '/tags'; |
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| 366 | |
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| 367 | foreach ($params['tags'] as $tag) |
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| 368 | { |
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[1131] | 369 | switch ( $conf['tag_url_style'] ) |
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[1119] | 370 | { |
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[1131] | 371 | case 'id': |
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| 372 | $section_string.= '/'.$tag['id']; |
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| 373 | break; |
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| 374 | case 'tag': |
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| 375 | if (isset($tag['url_name']) and !is_numeric($tag['url_name']) ) |
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| 376 | { |
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| 377 | $section_string.= '/'.$tag['url_name']; |
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| 378 | break; |
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| 379 | } |
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| 380 | default: |
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| 381 | $section_string.= '/'.$tag['id']; |
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| 382 | if (isset($tag['url_name'])) |
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| 383 | { |
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| 384 | $section_string.= '-'.$tag['url_name']; |
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| 385 | } |
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[1119] | 386 | } |
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[1109] | 387 | } |
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| 388 | |
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| 389 | break; |
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| 390 | } |
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| 391 | case 'search' : |
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| 392 | { |
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| 393 | $section_string.= '/search/'.$params['search']; |
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| 394 | break; |
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| 395 | } |
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| 396 | case 'list' : |
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| 397 | { |
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| 398 | $section_string.= '/list/'.implode(',', $params['list']); |
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| 399 | break; |
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| 400 | } |
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[1788] | 401 | case 'none' : |
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| 402 | { |
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| 403 | break; |
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| 404 | } |
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[1109] | 405 | default : |
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| 406 | { |
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[13240] | 407 | $section_string.= '/'.$section; |
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[1109] | 408 | } |
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| 409 | } |
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| 410 | |
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| 411 | return $section_string; |
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| 412 | } |
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[1676] | 413 | |
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| 414 | /** |
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[1980] | 415 | * the reverse of make_section_in_url |
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| 416 | * returns the 'section' (categories/tags/...) and the data associated with it |
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| 417 | * |
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| 418 | * Depending on section, other parameters are returned (category/tags/list/...) |
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| 419 | * |
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| 420 | * @param array of url tokens to parse |
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| 421 | * @param int the index in the array of url tokens; in/out |
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| 422 | * @return array |
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| 423 | */ |
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| 424 | function parse_section_url( $tokens, &$next_token) |
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| 425 | { |
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| 426 | $page=array(); |
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[2773] | 427 | if (strncmp(@$tokens[$next_token], 'categor', 7)==0 ) |
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[1980] | 428 | { |
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| 429 | $page['section'] = 'categories'; |
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| 430 | $next_token++; |
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| 431 | |
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| 432 | if (isset($tokens[$next_token]) ) |
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| 433 | { |
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| 434 | if (preg_match('/^(\d+)(?:-(.+))?$/', $tokens[$next_token], $matches)) |
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| 435 | { |
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| 436 | if ( isset($matches[2]) ) |
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| 437 | $page['hit_by']['cat_url_name'] = $matches[2]; |
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| 438 | $page['category'] = $matches[1]; |
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| 439 | $next_token++; |
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| 440 | } |
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| 441 | else |
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[2047] | 442 | {// try a permalink |
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| 443 | $maybe_permalinks = array(); |
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| 444 | $current_token = $next_token; |
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| 445 | while ( isset($tokens[$current_token]) |
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| 446 | and strpos($tokens[$current_token], 'created-')!==0 |
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| 447 | and strpos($tokens[$current_token], 'posted-')!==0 |
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[1980] | 448 | and strpos($tokens[$next_token], 'start-')!==0 |
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[18462] | 449 | and strpos($tokens[$next_token], 'startcat-')!==0 |
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[2047] | 450 | and $tokens[$current_token] != 'flat') |
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| 451 | { |
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| 452 | if (empty($maybe_permalinks)) |
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| 453 | { |
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[25018] | 454 | $maybe_permalinks[] = $tokens[$current_token]; |
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[1980] | 455 | } |
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[2047] | 456 | else |
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| 457 | { |
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[27388] | 458 | $maybe_permalinks[] = |
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[2047] | 459 | $maybe_permalinks[count($maybe_permalinks)-1] |
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[25018] | 460 | . '/' . $tokens[$current_token]; |
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[2047] | 461 | } |
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| 462 | $current_token++; |
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| 463 | } |
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| 464 | |
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| 465 | if ( count($maybe_permalinks) ) |
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| 466 | { |
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| 467 | $cat_id = get_cat_id_from_permalinks($maybe_permalinks, $perma_index); |
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[1980] | 468 | if ( isset($cat_id) ) |
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| 469 | { |
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[2047] | 470 | $next_token += $perma_index+1; |
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[1980] | 471 | $page['category'] = $cat_id; |
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[2047] | 472 | $page['hit_by']['cat_permalink'] = $maybe_permalinks[$perma_index]; |
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[1980] | 473 | } |
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| 474 | else |
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| 475 | { |
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[15383] | 476 | page_not_found(l10n('Permalink for album not found')); |
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[1980] | 477 | } |
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| 478 | } |
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[2047] | 479 | } |
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[1980] | 480 | } |
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| 481 | |
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| 482 | if (isset($page['category'])) |
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| 483 | { |
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| 484 | $result = get_cat_info($page['category']); |
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| 485 | if (empty($result)) |
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| 486 | { |
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[15383] | 487 | page_not_found(l10n('Requested album does not exist')); |
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[1980] | 488 | } |
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| 489 | $page['category']=$result; |
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| 490 | } |
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| 491 | } |
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[2773] | 492 | elseif ( 'tags' == @$tokens[$next_token] ) |
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[1980] | 493 | { |
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[11831] | 494 | global $conf; |
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| 495 | |
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[1980] | 496 | $page['section'] = 'tags'; |
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| 497 | $page['tags'] = array(); |
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| 498 | |
---|
| 499 | $next_token++; |
---|
| 500 | $i = $next_token; |
---|
| 501 | |
---|
| 502 | $requested_tag_ids = array(); |
---|
| 503 | $requested_tag_url_names = array(); |
---|
| 504 | |
---|
| 505 | while (isset($tokens[$i])) |
---|
| 506 | { |
---|
[2773] | 507 | if (strpos($tokens[$i], 'created-')===0 |
---|
| 508 | or strpos($tokens[$i], 'posted-')===0 |
---|
| 509 | or strpos($tokens[$i], 'start-')===0 ) |
---|
[1980] | 510 | break; |
---|
| 511 | |
---|
[11831] | 512 | if ( $conf['tag_url_style'] != 'tag' and preg_match('/^(\d+)(?:-(.*)|)$/', $tokens[$i], $matches) ) |
---|
[1980] | 513 | { |
---|
[25018] | 514 | $requested_tag_ids[] = $matches[1]; |
---|
[1980] | 515 | } |
---|
| 516 | else |
---|
| 517 | { |
---|
[25018] | 518 | $requested_tag_url_names[] = $tokens[$i]; |
---|
[1980] | 519 | } |
---|
| 520 | $i++; |
---|
| 521 | } |
---|
| 522 | $next_token = $i; |
---|
| 523 | |
---|
| 524 | if ( empty($requested_tag_ids) && empty($requested_tag_url_names) ) |
---|
| 525 | { |
---|
| 526 | bad_request('at least one tag required'); |
---|
| 527 | } |
---|
| 528 | |
---|
| 529 | $page['tags'] = find_tags($requested_tag_ids, $requested_tag_url_names); |
---|
| 530 | if ( empty($page['tags']) ) |
---|
| 531 | { |
---|
[15383] | 532 | page_not_found(l10n('Requested tag does not exist'), get_root_url().'tags.php' ); |
---|
[1980] | 533 | } |
---|
| 534 | } |
---|
[2773] | 535 | elseif ( 'favorites' == @$tokens[$next_token] ) |
---|
[1980] | 536 | { |
---|
| 537 | $page['section'] = 'favorites'; |
---|
| 538 | $next_token++; |
---|
| 539 | } |
---|
[2773] | 540 | elseif ('most_visited' == @$tokens[$next_token]) |
---|
[1980] | 541 | { |
---|
| 542 | $page['section'] = 'most_visited'; |
---|
| 543 | $next_token++; |
---|
| 544 | } |
---|
[2773] | 545 | elseif ('best_rated' == @$tokens[$next_token]) |
---|
[1980] | 546 | { |
---|
| 547 | $page['section'] = 'best_rated'; |
---|
| 548 | $next_token++; |
---|
| 549 | } |
---|
[2773] | 550 | elseif ('recent_pics' == @$tokens[$next_token]) |
---|
[1980] | 551 | { |
---|
| 552 | $page['section'] = 'recent_pics'; |
---|
| 553 | $next_token++; |
---|
| 554 | } |
---|
[2773] | 555 | elseif ('recent_cats' == @$tokens[$next_token]) |
---|
[1980] | 556 | { |
---|
| 557 | $page['section'] = 'recent_cats'; |
---|
| 558 | $next_token++; |
---|
| 559 | } |
---|
[2773] | 560 | elseif ('search' == @$tokens[$next_token]) |
---|
[1980] | 561 | { |
---|
| 562 | $page['section'] = 'search'; |
---|
| 563 | $next_token++; |
---|
| 564 | |
---|
| 565 | preg_match('/(\d+)/', @$tokens[$next_token], $matches); |
---|
| 566 | if (!isset($matches[1])) |
---|
| 567 | { |
---|
| 568 | bad_request('search identifier is missing'); |
---|
| 569 | } |
---|
| 570 | $page['search'] = $matches[1]; |
---|
| 571 | $next_token++; |
---|
| 572 | } |
---|
[2773] | 573 | elseif ('list' == @$tokens[$next_token]) |
---|
[1980] | 574 | { |
---|
| 575 | $page['section'] = 'list'; |
---|
| 576 | $next_token++; |
---|
| 577 | |
---|
| 578 | $page['list'] = array(); |
---|
| 579 | |
---|
| 580 | // No pictures |
---|
| 581 | if (empty($tokens[$next_token])) |
---|
| 582 | { |
---|
| 583 | // Add dummy element list |
---|
[25018] | 584 | $page['list'][] = -1; |
---|
[1980] | 585 | } |
---|
| 586 | // With pictures list |
---|
| 587 | else |
---|
| 588 | { |
---|
| 589 | if (!preg_match('/^\d+(,\d+)*$/', $tokens[$next_token])) |
---|
| 590 | { |
---|
| 591 | bad_request('wrong format on list GET parameter'); |
---|
| 592 | } |
---|
| 593 | foreach (explode(',', $tokens[$next_token]) as $image_id) |
---|
| 594 | { |
---|
[25018] | 595 | $page['list'][] = $image_id; |
---|
[1980] | 596 | } |
---|
| 597 | } |
---|
| 598 | $next_token++; |
---|
| 599 | } |
---|
| 600 | return $page; |
---|
| 601 | } |
---|
| 602 | |
---|
| 603 | /** |
---|
| 604 | * the reverse of add_well_known_params_in_url |
---|
| 605 | * parses start, flat and chronology from url tokens |
---|
| 606 | */ |
---|
[2155] | 607 | function parse_well_known_params_url($tokens, &$i) |
---|
[1980] | 608 | { |
---|
| 609 | $page = array(); |
---|
| 610 | while (isset($tokens[$i])) |
---|
| 611 | { |
---|
| 612 | if ( 'flat' == $tokens[$i] ) |
---|
| 613 | { |
---|
| 614 | // indicate a special list of images |
---|
| 615 | $page['flat'] = true; |
---|
| 616 | } |
---|
[2773] | 617 | elseif (strpos($tokens[$i], 'created-')===0 or strpos($tokens[$i], 'posted-')===0) |
---|
[1980] | 618 | { |
---|
| 619 | $chronology_tokens = explode('-', $tokens[$i] ); |
---|
| 620 | |
---|
| 621 | $page['chronology_field'] = $chronology_tokens[0]; |
---|
| 622 | |
---|
| 623 | array_shift($chronology_tokens); |
---|
| 624 | $page['chronology_style'] = $chronology_tokens[0]; |
---|
| 625 | |
---|
| 626 | array_shift($chronology_tokens); |
---|
| 627 | if ( count($chronology_tokens)>0 ) |
---|
| 628 | { |
---|
| 629 | if ('list'==$chronology_tokens[0] or |
---|
| 630 | 'calendar'==$chronology_tokens[0]) |
---|
| 631 | { |
---|
| 632 | $page['chronology_view'] = $chronology_tokens[0]; |
---|
| 633 | array_shift($chronology_tokens); |
---|
| 634 | } |
---|
| 635 | $page['chronology_date'] = $chronology_tokens; |
---|
| 636 | } |
---|
| 637 | } |
---|
[2773] | 638 | elseif (preg_match('/^start-(\d+)/', $tokens[$i], $matches)) |
---|
| 639 | { |
---|
| 640 | $page['start'] = $matches[1]; |
---|
| 641 | } |
---|
[18462] | 642 | elseif (preg_match('/^startcat-(\d+)/', $tokens[$i], $matches)) |
---|
[18165] | 643 | { |
---|
[18462] | 644 | $page['startcat'] = $matches[1]; |
---|
[18165] | 645 | } |
---|
[1980] | 646 | $i++; |
---|
| 647 | } |
---|
| 648 | return $page; |
---|
| 649 | } |
---|
| 650 | |
---|
[12855] | 651 | |
---|
[1980] | 652 | /** |
---|
[12855] | 653 | * @param id image id |
---|
| 654 | * @param what_part string one of 'e' (element), 'r' (representative) |
---|
| 655 | */ |
---|
| 656 | function get_action_url($id, $what_part, $download) |
---|
| 657 | { |
---|
| 658 | $params = array( |
---|
| 659 | 'id' => $id, |
---|
| 660 | 'part' => $what_part, |
---|
| 661 | ); |
---|
| 662 | if ($download) |
---|
| 663 | { |
---|
| 664 | $params['download'] = null; |
---|
| 665 | } |
---|
[27388] | 666 | |
---|
[12855] | 667 | return add_url_params(get_root_url().'action.php', $params); |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | /* |
---|
| 671 | * @param element_info array containing element information from db; |
---|
| 672 | * at least 'id', 'path' should be present |
---|
| 673 | */ |
---|
| 674 | function get_element_url($element_info) |
---|
| 675 | { |
---|
| 676 | $url = $element_info['path']; |
---|
| 677 | if ( !url_is_remote($url) ) |
---|
| 678 | { |
---|
| 679 | $url = embellish_url(get_root_url().$url); |
---|
| 680 | } |
---|
| 681 | return $url; |
---|
| 682 | } |
---|
| 683 | |
---|
| 684 | |
---|
| 685 | /** |
---|
[1676] | 686 | * Indicate to build url with full path |
---|
| 687 | * |
---|
| 688 | * @param null |
---|
| 689 | * @return null |
---|
| 690 | */ |
---|
| 691 | function set_make_full_url() |
---|
| 692 | { |
---|
| 693 | global $page; |
---|
| 694 | |
---|
| 695 | if (!isset($page['save_root_path'])) |
---|
| 696 | { |
---|
| 697 | if (isset($page['root_path'])) |
---|
| 698 | { |
---|
| 699 | $page['save_root_path']['path'] = $page['root_path']; |
---|
| 700 | } |
---|
| 701 | $page['save_root_path']['count'] = 1; |
---|
[1750] | 702 | $page['root_path'] = get_absolute_root_url(); |
---|
[1676] | 703 | } |
---|
| 704 | else |
---|
| 705 | { |
---|
| 706 | $page['save_root_path']['count'] += 1; |
---|
| 707 | } |
---|
| 708 | } |
---|
| 709 | |
---|
| 710 | /** |
---|
| 711 | * Restore old parameter to build url with full path |
---|
| 712 | * |
---|
| 713 | * @param null |
---|
| 714 | * @return null |
---|
| 715 | */ |
---|
| 716 | function unset_make_full_url() |
---|
| 717 | { |
---|
| 718 | global $page; |
---|
| 719 | |
---|
| 720 | if (isset($page['save_root_path'])) |
---|
| 721 | { |
---|
| 722 | if ($page['save_root_path']['count'] == 1) |
---|
| 723 | { |
---|
| 724 | if (isset($page['save_root_path']['path'])) |
---|
| 725 | { |
---|
| 726 | $page['root_path'] = $page['save_root_path']['path']; |
---|
| 727 | } |
---|
| 728 | else |
---|
| 729 | { |
---|
| 730 | unset($page['root_path']); |
---|
| 731 | } |
---|
| 732 | unset($page['save_root_path']); |
---|
| 733 | } |
---|
| 734 | else |
---|
| 735 | { |
---|
| 736 | $page['save_root_path']['count'] -= 1; |
---|
| 737 | } |
---|
| 738 | } |
---|
| 739 | } |
---|
| 740 | |
---|
[2026] | 741 | /** |
---|
| 742 | * Embellish the url argument |
---|
| 743 | * |
---|
| 744 | * @param $url |
---|
| 745 | * @return $url embellished |
---|
| 746 | */ |
---|
| 747 | function embellish_url($url) |
---|
| 748 | { |
---|
[3126] | 749 | $url = str_replace('/./', '/', $url); |
---|
| 750 | while ( ($dotdot = strpos($url, '/../', 1) ) !== false ) |
---|
| 751 | { |
---|
| 752 | $before = strrpos($url, '/', -(strlen($url)-$dotdot+1) ); |
---|
| 753 | if ($before !== false) |
---|
| 754 | { |
---|
| 755 | $url = substr_replace($url, '', $before, $dotdot-$before+3); |
---|
| 756 | } |
---|
| 757 | else |
---|
| 758 | break; |
---|
| 759 | } |
---|
| 760 | return $url; |
---|
[2026] | 761 | } |
---|
| 762 | |
---|
[6411] | 763 | /** |
---|
| 764 | * Returns the 'home page' of this gallery |
---|
| 765 | */ |
---|
| 766 | function get_gallery_home_url() |
---|
| 767 | { |
---|
| 768 | global $conf; |
---|
| 769 | if (!empty($conf['gallery_url'])) |
---|
| 770 | { |
---|
[8247] | 771 | if (url_is_remote($conf['gallery_url']) or $conf['gallery_url'][0]=='/' ) |
---|
[6411] | 772 | { |
---|
| 773 | return $conf['gallery_url']; |
---|
| 774 | } |
---|
| 775 | return get_root_url().$conf['gallery_url']; |
---|
| 776 | } |
---|
| 777 | else |
---|
| 778 | { |
---|
| 779 | return make_index_url(); |
---|
| 780 | } |
---|
| 781 | } |
---|
[25615] | 782 | |
---|
| 783 | /** |
---|
| 784 | * returns $_SERVER['QUERY_STRING'] whithout keys given in parameters |
---|
| 785 | * |
---|
| 786 | * @param string[] $rejects |
---|
| 787 | * @param boolean $escape escape *&* to *&* |
---|
| 788 | * @returns string |
---|
| 789 | */ |
---|
| 790 | function get_query_string_diff($rejects=array(), $escape=true) |
---|
| 791 | { |
---|
| 792 | if (empty($_SERVER['QUERY_STRING'])) |
---|
| 793 | { |
---|
| 794 | return ''; |
---|
| 795 | } |
---|
| 796 | |
---|
| 797 | parse_str($_SERVER['QUERY_STRING'], $vars); |
---|
| 798 | |
---|
| 799 | $vars = array_diff_key($vars, array_flip($rejects)); |
---|
[27388] | 800 | |
---|
[25615] | 801 | return '?' . http_build_query($vars, '', $escape ? '&' : '&'); |
---|
| 802 | } |
---|
| 803 | |
---|
| 804 | /** |
---|
| 805 | * returns true if the url is absolute (begins with http) |
---|
| 806 | * |
---|
| 807 | * @param string $url |
---|
| 808 | * @returns boolean |
---|
| 809 | */ |
---|
| 810 | function url_is_remote($url) |
---|
| 811 | { |
---|
| 812 | if ( strncmp($url, 'http://', 7)==0 |
---|
| 813 | or strncmp($url, 'https://', 8)==0 ) |
---|
| 814 | { |
---|
| 815 | return true; |
---|
| 816 | } |
---|
| 817 | return false; |
---|
| 818 | } |
---|
| 819 | |
---|
[3126] | 820 | ?> |
---|