[3636] | 1 | <?php |
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| 2 | // +-----------------------------------------------------------------------+ |
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| 3 | // | Piwigo - a PHP based picture gallery | |
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| 4 | // +-----------------------------------------------------------------------+ |
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| 5 | // | Copyright(C) 2008-2009 Piwigo Team http://piwigo.org | |
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| 6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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| 7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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| 8 | // +-----------------------------------------------------------------------+ |
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| 9 | // | This program is free software; you can redistribute it and/or modify | |
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| 10 | // | it under the terms of the GNU General Public License as published by | |
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| 11 | // | the Free Software Foundation | |
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| 12 | // | | |
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| 13 | // | This program is distributed in the hope that it will be useful, but | |
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| 14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 16 | // | General Public License for more details. | |
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| 17 | // | | |
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| 18 | // | You should have received a copy of the GNU General Public License | |
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| 19 | // | along with this program; if not, write to the Free Software | |
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| 20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 21 | // | USA. | |
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| 22 | // +-----------------------------------------------------------------------+ |
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| 23 | |
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| 24 | |
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| 25 | /** |
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| 26 | * returns a prefix for each url link on displayed page |
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| 27 | * and return an empty string for current path |
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| 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 $page; |
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| 33 | if ( isset($page['root_path']) ) |
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| 34 | { |
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| 35 | $root_url = $page['root_path']; |
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| 36 | } |
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| 37 | else |
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| 38 | {// TODO - add HERE the possibility to call PWG functions from external scripts |
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| 39 | $root_url = PHPWG_ROOT_PATH; |
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| 40 | } |
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| 41 | if ( strncmp($root_url, './', 2) != 0 ) |
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| 42 | { |
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| 43 | return $root_url; |
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| 44 | } |
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| 45 | else |
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| 46 | { |
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| 47 | return (string)substr($root_url, 2); |
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| 48 | } |
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| 49 | } |
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| 50 | |
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| 51 | /** |
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| 52 | * returns the absolute url to the root of PWG |
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| 53 | * @param boolean with_scheme if false - does not add http://toto.com |
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| 54 | */ |
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| 55 | function get_absolute_root_url($with_scheme=true) |
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| 56 | { |
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| 57 | // TODO - add HERE the possibility to call PWG functions from external scripts |
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| 58 | $url = ''; |
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| 59 | if ($with_scheme) |
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| 60 | { |
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| 61 | /* |
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| 62 | if (empty($_SERVER['HTTPS'])) |
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| 63 | { |
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| 64 | $url .= 'http://'; |
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| 65 | } |
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| 66 | else |
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| 67 | { |
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| 68 | $url .= 'https://'; |
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| 69 | } |
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| 70 | */ |
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| 71 | if ((!isset($_SERVER['HTTPS']) || strtolower($_SERVER['HTTPS']) != 'on' )) |
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| 72 | { |
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| 73 | $url .= 'http://'; |
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| 74 | } |
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| 75 | else |
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| 76 | { |
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| 77 | $url .= 'https://'; |
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| 78 | } |
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| 79 | $url .= $_SERVER['HTTP_HOST']; |
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| 80 | if ($_SERVER['SERVER_PORT'] != 80) |
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| 81 | { |
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| 82 | $url_port = ':'.$_SERVER['SERVER_PORT']; |
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| 83 | if (strrchr($url, ':') != $url_port) |
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| 84 | { |
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| 85 | $url .= $url_port; |
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| 86 | } |
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| 87 | } |
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| 88 | } |
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| 89 | $url .= cookie_path(); |
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| 90 | return $url; |
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| 91 | } |
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| 92 | |
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| 93 | /** |
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| 94 | * adds one or more _GET style parameters to an url |
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| 95 | * example: add_url_params('/x', array('a'=>'b')) returns /x?a=b |
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| 96 | * add_url_params('/x?cat_id=10', array('a'=>'b')) returns /x?cat_id=10&a=b |
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| 97 | * @param string url |
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| 98 | * @param array params |
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| 99 | * @return string |
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| 100 | */ |
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| 101 | function add_url_params($url, $params) |
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| 102 | { |
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| 103 | if ( !empty($params) ) |
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| 104 | { |
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| 105 | assert( is_array($params) ); |
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| 106 | $is_first = true; |
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| 107 | foreach($params as $param=>$val) |
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| 108 | { |
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| 109 | if ($is_first) |
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| 110 | { |
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| 111 | $is_first = false; |
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| 112 | $url .= ( strpos($url, '?')===false ) ? '?' :'&'; |
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| 113 | } |
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| 114 | else |
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| 115 | { |
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| 116 | $url .= '&'; |
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| 117 | } |
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| 118 | $url .= $param; |
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| 119 | if (isset($val)) |
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| 120 | { |
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| 121 | $url .= '='.$val; |
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| 122 | } |
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| 123 | } |
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| 124 | } |
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| 125 | return $url; |
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| 126 | } |
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| 127 | |
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| 128 | /** |
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| 129 | * build an index URL for a specific section |
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| 130 | * |
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| 131 | * @param array |
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| 132 | * @return string |
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| 133 | */ |
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| 134 | function make_index_url($params = array()) |
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| 135 | { |
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| 136 | global $conf; |
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| 137 | $url = get_root_url().'index'; |
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| 138 | if ($conf['php_extension_in_urls']) |
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| 139 | { |
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| 140 | $url .= '.php'; |
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| 141 | } |
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| 142 | if ($conf['question_mark_in_urls']) |
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| 143 | { |
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| 144 | $url .= '?'; |
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| 145 | } |
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| 146 | $url.= make_section_in_url($params); |
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| 147 | $url = add_well_known_params_in_url($url, $params); |
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| 148 | return $url; |
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| 149 | } |
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| 150 | |
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| 151 | /** |
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| 152 | * build an index URL with current page parameters, but with redefinitions |
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| 153 | * and removes. |
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| 154 | * |
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| 155 | * duplicate_index_url( array( |
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| 156 | * 'category' => array('id'=>12, 'name'=>'toto'), |
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| 157 | * array('start') |
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| 158 | * ) will create an index URL on the current section (categories), but on |
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| 159 | * a redefined category and without the start URL parameter. |
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| 160 | * |
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| 161 | * @param array redefined keys |
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| 162 | * @param array removed keys |
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| 163 | * @return string |
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| 164 | */ |
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| 165 | function duplicate_index_url($redefined = array(), $removed = array()) |
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| 166 | { |
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| 167 | return make_index_url( |
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| 168 | params_for_duplication($redefined, $removed) |
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| 169 | ); |
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| 170 | } |
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| 171 | |
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| 172 | /** |
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| 173 | * returns $page global array with key redefined and key removed |
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| 174 | * |
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| 175 | * @param array redefined keys |
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| 176 | * @param array removed keys |
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| 177 | * @return array |
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| 178 | */ |
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| 179 | function params_for_duplication($redefined, $removed) |
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| 180 | { |
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| 181 | global $page; |
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| 182 | |
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| 183 | $params = $page; |
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| 184 | |
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| 185 | foreach ($removed as $param_key) |
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| 186 | { |
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| 187 | unset($params[$param_key]); |
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| 188 | } |
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| 189 | |
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| 190 | foreach ($redefined as $redefined_param => $redefined_value) |
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| 191 | { |
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| 192 | $params[$redefined_param] = $redefined_value; |
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| 193 | } |
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| 194 | |
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| 195 | return $params; |
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| 196 | } |
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| 197 | |
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| 198 | /** |
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| 199 | * create a picture URL with current page parameters, but with redefinitions |
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| 200 | * and removes. See duplicate_index_url. |
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| 201 | * |
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| 202 | * @param array redefined keys |
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| 203 | * @param array removed keys |
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| 204 | * @return string |
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| 205 | */ |
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| 206 | function duplicate_picture_url($redefined = array(), $removed = array()) |
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| 207 | { |
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| 208 | return make_picture_url( |
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| 209 | params_for_duplication($redefined, $removed) |
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| 210 | ); |
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| 211 | } |
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| 212 | |
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| 213 | /** |
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| 214 | * create a picture URL on a specific section for a specific picture |
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| 215 | * |
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| 216 | * @param array |
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| 217 | * @return string |
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| 218 | */ |
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| 219 | function make_picture_url($params) |
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| 220 | { |
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| 221 | global $conf; |
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| 222 | |
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| 223 | isset($params['image_id']) or fatal_error('make_picture_url: image_id is a required parameter'); |
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| 224 | |
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| 225 | $url = get_root_url().'picture'; |
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| 226 | if ($conf['php_extension_in_urls']) |
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| 227 | { |
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| 228 | $url .= '.php'; |
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| 229 | } |
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| 230 | if ($conf['question_mark_in_urls']) |
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| 231 | { |
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| 232 | $url .= '?'; |
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| 233 | } |
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| 234 | $url.= '/'; |
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| 235 | switch ( $conf['picture_url_style'] ) |
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| 236 | { |
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| 237 | case 'id-file': |
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| 238 | $url .= $params['image_id']; |
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| 239 | if ( isset($params['image_file']) ) |
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| 240 | { |
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| 241 | $url .= '-'.get_filename_wo_extension($params['image_file']); |
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| 242 | } |
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| 243 | break; |
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| 244 | case 'file': |
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| 245 | if ( isset($params['image_file']) ) |
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| 246 | { |
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| 247 | $fname_wo_ext = get_filename_wo_extension($params['image_file']); |
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| 248 | if ( ord($fname_wo_ext)>ord('9') or !preg_match('/^\d+(-|$)/', $fname_wo_ext) ) |
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| 249 | { |
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| 250 | $url .= $fname_wo_ext; |
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| 251 | break; |
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| 252 | } |
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| 253 | } |
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| 254 | default: |
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| 255 | $url .= $params['image_id']; |
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| 256 | } |
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| 257 | if ( !isset($params['category'] ) ) |
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| 258 | {// make urls shorter ... |
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| 259 | unset( $params['flat'] ); |
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| 260 | } |
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| 261 | $url .= make_section_in_url($params); |
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| 262 | $url = add_well_known_params_in_url($url, $params); |
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| 263 | return $url; |
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| 264 | } |
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| 265 | |
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| 266 | /** |
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| 267 | *adds to the url the chronology and start parameters |
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| 268 | */ |
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| 269 | function add_well_known_params_in_url($url, $params) |
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| 270 | { |
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| 271 | if ( isset($params['chronology_field']) ) |
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| 272 | { |
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| 273 | $url .= '/'. $params['chronology_field']; |
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| 274 | $url .= '-'. $params['chronology_style']; |
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| 275 | if ( isset($params['chronology_view']) ) |
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| 276 | { |
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| 277 | $url .= '-'. $params['chronology_view']; |
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| 278 | } |
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| 279 | if ( !empty($params['chronology_date']) ) |
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| 280 | { |
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| 281 | $url .= '-'. implode('-', $params['chronology_date'] ); |
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| 282 | } |
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| 283 | } |
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| 284 | |
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| 285 | if (isset($params['flat'])) |
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| 286 | { |
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| 287 | $url.= '/flat'; |
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| 288 | } |
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| 289 | |
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| 290 | if (isset($params['start']) and $params['start'] > 0) |
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| 291 | { |
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| 292 | $url.= '/start-'.$params['start']; |
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| 293 | } |
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| 294 | return $url; |
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| 295 | } |
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| 296 | |
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| 297 | /** |
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| 298 | * return the section token of an index or picture URL. |
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| 299 | * |
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| 300 | * Depending on section, other parameters are required (see function code |
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| 301 | * for details) |
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| 302 | * |
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| 303 | * @param array |
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| 304 | * @return string |
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| 305 | */ |
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| 306 | function make_section_in_url($params) |
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| 307 | { |
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| 308 | global $conf; |
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| 309 | $section_string = ''; |
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| 310 | |
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| 311 | $section_of = array( |
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| 312 | 'category' => 'categories', |
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| 313 | 'tags' => 'tags', |
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| 314 | 'list' => 'list', |
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| 315 | 'search' => 'search', |
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| 316 | ); |
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| 317 | |
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| 318 | foreach ($section_of as $param => $section) |
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| 319 | { |
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| 320 | if (isset($params[$param])) |
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| 321 | { |
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| 322 | $params['section'] = $section; |
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| 323 | } |
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| 324 | } |
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| 325 | |
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| 326 | if (!isset($params['section'])) |
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| 327 | { |
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| 328 | $params['section'] = 'none'; |
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| 329 | } |
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| 330 | |
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| 331 | switch($params['section']) |
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| 332 | { |
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| 333 | case 'categories' : |
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| 334 | { |
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| 335 | if (!isset($params['category'])) |
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| 336 | { |
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| 337 | $section_string.= '/categories'; |
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| 338 | } |
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| 339 | else |
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| 340 | { |
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| 341 | is_array($params['category']) or trigger_error( |
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| 342 | 'make_section_in_url wrong type for category', E_USER_WARNING |
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| 343 | ); |
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| 344 | is_numeric($params['category']['id']) or trigger_error( |
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| 345 | 'make_section_in_url category id not numeric', E_USER_WARNING |
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| 346 | ); |
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| 347 | isset($params['category']['name']) or trigger_error( |
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| 348 | 'make_section_in_url category name not set', E_USER_WARNING |
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| 349 | ); |
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| 350 | |
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| 351 | array_key_exists('permalink', $params['category']) or trigger_error( |
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| 352 | 'make_section_in_url category permalink not set', E_USER_WARNING |
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| 353 | ); |
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| 354 | |
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| 355 | $section_string.= '/category/'; |
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| 356 | if ( empty($params['category']['permalink']) ) |
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| 357 | { |
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| 358 | $section_string.= $params['category']['id']; |
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| 359 | if ( $conf['category_url_style']=='id-name' ) |
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| 360 | { |
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| 361 | $section_string.= '-'.str2url($params['category']['name']); |
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| 362 | } |
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| 363 | } |
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| 364 | else |
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| 365 | { |
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| 366 | $section_string.= $params['category']['permalink']; |
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| 367 | } |
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| 368 | } |
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| 369 | |
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| 370 | break; |
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| 371 | } |
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| 372 | case 'tags' : |
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| 373 | { |
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| 374 | if (!isset($params['tags']) or count($params['tags']) == 0) |
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| 375 | { |
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| 376 | fatal_error('make_section_in_url: require at least one tag'); |
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| 377 | } |
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| 378 | |
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| 379 | $section_string.= '/tags'; |
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| 380 | |
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| 381 | foreach ($params['tags'] as $tag) |
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| 382 | { |
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| 383 | switch ( $conf['tag_url_style'] ) |
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| 384 | { |
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| 385 | case 'id': |
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| 386 | $section_string.= '/'.$tag['id']; |
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| 387 | break; |
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| 388 | case 'tag': |
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| 389 | if (isset($tag['url_name']) and !is_numeric($tag['url_name']) ) |
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| 390 | { |
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| 391 | $section_string.= '/'.$tag['url_name']; |
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| 392 | break; |
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| 393 | } |
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| 394 | default: |
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| 395 | $section_string.= '/'.$tag['id']; |
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| 396 | if (isset($tag['url_name'])) |
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| 397 | { |
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| 398 | $section_string.= '-'.$tag['url_name']; |
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| 399 | } |
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| 400 | } |
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| 401 | } |
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| 402 | |
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| 403 | break; |
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| 404 | } |
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| 405 | case 'search' : |
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| 406 | { |
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| 407 | isset($params['search']) or fatal_error('make_section_in_url: require a search identifier'); |
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| 408 | $section_string.= '/search/'.$params['search']; |
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| 409 | break; |
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| 410 | } |
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| 411 | case 'list' : |
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| 412 | { |
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| 413 | isset($params['list']) or fatal_error('make_section_in_url: require a list of items'); |
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| 414 | $section_string.= '/list/'.implode(',', $params['list']); |
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| 415 | break; |
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| 416 | } |
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| 417 | case 'none' : |
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| 418 | { |
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| 419 | break; |
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| 420 | } |
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| 421 | default : |
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| 422 | { |
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| 423 | $section_string.= '/'.$params['section']; |
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| 424 | } |
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| 425 | } |
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| 426 | |
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| 427 | return $section_string; |
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| 428 | } |
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| 429 | |
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| 430 | /** |
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| 431 | * the reverse of make_section_in_url |
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| 432 | * returns the 'section' (categories/tags/...) and the data associated with it |
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| 433 | * |
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| 434 | * Depending on section, other parameters are returned (category/tags/list/...) |
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| 435 | * |
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| 436 | * @param array of url tokens to parse |
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| 437 | * @param int the index in the array of url tokens; in/out |
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| 438 | * @return array |
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| 439 | */ |
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| 440 | function parse_section_url( $tokens, &$next_token) |
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| 441 | { |
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| 442 | $page=array(); |
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| 443 | if (strncmp(@$tokens[$next_token], 'categor', 7)==0 ) |
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| 444 | { |
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| 445 | $page['section'] = 'categories'; |
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| 446 | $next_token++; |
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| 447 | |
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| 448 | if (isset($tokens[$next_token]) ) |
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| 449 | { |
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| 450 | if (preg_match('/^(\d+)(?:-(.+))?$/', $tokens[$next_token], $matches)) |
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| 451 | { |
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| 452 | if ( isset($matches[2]) ) |
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| 453 | $page['hit_by']['cat_url_name'] = $matches[2]; |
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| 454 | $page['category'] = $matches[1]; |
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| 455 | $next_token++; |
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| 456 | } |
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| 457 | else |
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| 458 | {// try a permalink |
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| 459 | $maybe_permalinks = array(); |
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| 460 | $current_token = $next_token; |
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| 461 | while ( isset($tokens[$current_token]) |
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| 462 | and strpos($tokens[$current_token], 'created-')!==0 |
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| 463 | and strpos($tokens[$current_token], 'posted-')!==0 |
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| 464 | and strpos($tokens[$next_token], 'start-')!==0 |
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| 465 | and $tokens[$current_token] != 'flat') |
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| 466 | { |
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| 467 | if (empty($maybe_permalinks)) |
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| 468 | { |
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| 469 | array_push($maybe_permalinks, $tokens[$current_token]); |
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| 470 | } |
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| 471 | else |
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| 472 | { |
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| 473 | array_push($maybe_permalinks, |
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| 474 | $maybe_permalinks[count($maybe_permalinks)-1] |
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| 475 | . '/' . $tokens[$current_token] |
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| 476 | ); |
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| 477 | } |
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| 478 | $current_token++; |
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| 479 | } |
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| 480 | |
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| 481 | if ( count($maybe_permalinks) ) |
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| 482 | { |
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| 483 | $cat_id = get_cat_id_from_permalinks($maybe_permalinks, $perma_index); |
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| 484 | if ( isset($cat_id) ) |
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| 485 | { |
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| 486 | $next_token += $perma_index+1; |
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| 487 | $page['category'] = $cat_id; |
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| 488 | $page['hit_by']['cat_permalink'] = $maybe_permalinks[$perma_index]; |
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| 489 | } |
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| 490 | else |
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| 491 | { |
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| 492 | page_not_found('Permalink for album not found'); |
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| 493 | } |
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| 494 | } |
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| 495 | } |
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| 496 | } |
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| 497 | |
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| 498 | if (isset($page['category'])) |
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| 499 | { |
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| 500 | $result = get_cat_info($page['category']); |
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| 501 | if (empty($result)) |
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| 502 | { |
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| 503 | page_not_found('Requested category does not exist' ); |
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| 504 | } |
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| 505 | $page['category']=$result; |
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| 506 | } |
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| 507 | } |
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| 508 | elseif ( 'tags' == @$tokens[$next_token] ) |
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| 509 | { |
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| 510 | $page['section'] = 'tags'; |
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| 511 | $page['tags'] = array(); |
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| 512 | |
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| 513 | $next_token++; |
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| 514 | $i = $next_token; |
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| 515 | |
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| 516 | $requested_tag_ids = array(); |
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| 517 | $requested_tag_url_names = array(); |
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| 518 | |
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| 519 | while (isset($tokens[$i])) |
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| 520 | { |
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| 521 | if (strpos($tokens[$i], 'created-')===0 |
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| 522 | or strpos($tokens[$i], 'posted-')===0 |
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| 523 | or strpos($tokens[$i], 'start-')===0 ) |
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| 524 | break; |
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| 525 | |
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| 526 | if ( preg_match('/^(\d+)(?:-(.*))?/', $tokens[$i], $matches) ) |
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| 527 | { |
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| 528 | array_push($requested_tag_ids, $matches[1]); |
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| 529 | } |
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| 530 | else |
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| 531 | { |
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| 532 | array_push($requested_tag_url_names, $tokens[$i]); |
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| 533 | } |
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| 534 | $i++; |
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| 535 | } |
---|
| 536 | $next_token = $i; |
---|
| 537 | |
---|
| 538 | if ( empty($requested_tag_ids) && empty($requested_tag_url_names) ) |
---|
| 539 | { |
---|
| 540 | bad_request('at least one tag required'); |
---|
| 541 | } |
---|
| 542 | |
---|
| 543 | $page['tags'] = find_tags($requested_tag_ids, $requested_tag_url_names); |
---|
| 544 | if ( empty($page['tags']) ) |
---|
| 545 | { |
---|
| 546 | page_not_found('Requested tag does not exist', get_root_url().'tags.php' ); |
---|
| 547 | } |
---|
| 548 | } |
---|
| 549 | elseif ( 'favorites' == @$tokens[$next_token] ) |
---|
| 550 | { |
---|
| 551 | $page['section'] = 'favorites'; |
---|
| 552 | $next_token++; |
---|
| 553 | } |
---|
| 554 | elseif ('most_visited' == @$tokens[$next_token]) |
---|
| 555 | { |
---|
| 556 | $page['section'] = 'most_visited'; |
---|
| 557 | $next_token++; |
---|
| 558 | } |
---|
| 559 | elseif ('best_rated' == @$tokens[$next_token]) |
---|
| 560 | { |
---|
| 561 | $page['section'] = 'best_rated'; |
---|
| 562 | $next_token++; |
---|
| 563 | } |
---|
| 564 | elseif ('recent_pics' == @$tokens[$next_token]) |
---|
| 565 | { |
---|
| 566 | $page['section'] = 'recent_pics'; |
---|
| 567 | $next_token++; |
---|
| 568 | } |
---|
| 569 | elseif ('recent_cats' == @$tokens[$next_token]) |
---|
| 570 | { |
---|
| 571 | $page['section'] = 'recent_cats'; |
---|
| 572 | $next_token++; |
---|
| 573 | } |
---|
| 574 | elseif ('search' == @$tokens[$next_token]) |
---|
| 575 | { |
---|
| 576 | $page['section'] = 'search'; |
---|
| 577 | $next_token++; |
---|
| 578 | |
---|
| 579 | preg_match('/(\d+)/', @$tokens[$next_token], $matches); |
---|
| 580 | if (!isset($matches[1])) |
---|
| 581 | { |
---|
| 582 | bad_request('search identifier is missing'); |
---|
| 583 | } |
---|
| 584 | $page['search'] = $matches[1]; |
---|
| 585 | $next_token++; |
---|
| 586 | } |
---|
| 587 | elseif ('list' == @$tokens[$next_token]) |
---|
| 588 | { |
---|
| 589 | $page['section'] = 'list'; |
---|
| 590 | $next_token++; |
---|
| 591 | |
---|
| 592 | $page['list'] = array(); |
---|
| 593 | |
---|
| 594 | // No pictures |
---|
| 595 | if (empty($tokens[$next_token])) |
---|
| 596 | { |
---|
| 597 | // Add dummy element list |
---|
| 598 | array_push($page['list'], -1); |
---|
| 599 | } |
---|
| 600 | // With pictures list |
---|
| 601 | else |
---|
| 602 | { |
---|
| 603 | if (!preg_match('/^\d+(,\d+)*$/', $tokens[$next_token])) |
---|
| 604 | { |
---|
| 605 | bad_request('wrong format on list GET parameter'); |
---|
| 606 | } |
---|
| 607 | foreach (explode(',', $tokens[$next_token]) as $image_id) |
---|
| 608 | { |
---|
| 609 | array_push($page['list'], $image_id); |
---|
| 610 | } |
---|
| 611 | } |
---|
| 612 | $next_token++; |
---|
| 613 | } |
---|
| 614 | return $page; |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | /** |
---|
| 618 | * the reverse of add_well_known_params_in_url |
---|
| 619 | * parses start, flat and chronology from url tokens |
---|
| 620 | */ |
---|
| 621 | function parse_well_known_params_url($tokens, &$i) |
---|
| 622 | { |
---|
| 623 | $page = array(); |
---|
| 624 | while (isset($tokens[$i])) |
---|
| 625 | { |
---|
| 626 | if ( 'flat' == $tokens[$i] ) |
---|
| 627 | { |
---|
| 628 | // indicate a special list of images |
---|
| 629 | $page['flat'] = true; |
---|
| 630 | } |
---|
| 631 | elseif (strpos($tokens[$i], 'created-')===0 or strpos($tokens[$i], 'posted-')===0) |
---|
| 632 | { |
---|
| 633 | $chronology_tokens = explode('-', $tokens[$i] ); |
---|
| 634 | |
---|
| 635 | $page['chronology_field'] = $chronology_tokens[0]; |
---|
| 636 | |
---|
| 637 | array_shift($chronology_tokens); |
---|
| 638 | $page['chronology_style'] = $chronology_tokens[0]; |
---|
| 639 | |
---|
| 640 | array_shift($chronology_tokens); |
---|
| 641 | if ( count($chronology_tokens)>0 ) |
---|
| 642 | { |
---|
| 643 | if ('list'==$chronology_tokens[0] or |
---|
| 644 | 'calendar'==$chronology_tokens[0]) |
---|
| 645 | { |
---|
| 646 | $page['chronology_view'] = $chronology_tokens[0]; |
---|
| 647 | array_shift($chronology_tokens); |
---|
| 648 | } |
---|
| 649 | $page['chronology_date'] = $chronology_tokens; |
---|
| 650 | } |
---|
| 651 | } |
---|
| 652 | elseif (preg_match('/^start-(\d+)/', $tokens[$i], $matches)) |
---|
| 653 | { |
---|
| 654 | $page['start'] = $matches[1]; |
---|
| 655 | } |
---|
| 656 | $i++; |
---|
| 657 | } |
---|
| 658 | return $page; |
---|
| 659 | } |
---|
| 660 | |
---|
| 661 | /** |
---|
| 662 | * Indicate to build url with full path |
---|
| 663 | * |
---|
| 664 | * @param null |
---|
| 665 | * @return null |
---|
| 666 | */ |
---|
| 667 | function set_make_full_url() |
---|
| 668 | { |
---|
| 669 | global $page; |
---|
| 670 | |
---|
| 671 | if (!isset($page['save_root_path'])) |
---|
| 672 | { |
---|
| 673 | if (isset($page['root_path'])) |
---|
| 674 | { |
---|
| 675 | $page['save_root_path']['path'] = $page['root_path']; |
---|
| 676 | } |
---|
| 677 | $page['save_root_path']['count'] = 1; |
---|
| 678 | $page['root_path'] = get_absolute_root_url(); |
---|
| 679 | } |
---|
| 680 | else |
---|
| 681 | { |
---|
| 682 | $page['save_root_path']['count'] += 1; |
---|
| 683 | } |
---|
| 684 | } |
---|
| 685 | |
---|
| 686 | /** |
---|
| 687 | * Restore old parameter to build url with full path |
---|
| 688 | * |
---|
| 689 | * @param null |
---|
| 690 | * @return null |
---|
| 691 | */ |
---|
| 692 | function unset_make_full_url() |
---|
| 693 | { |
---|
| 694 | global $page; |
---|
| 695 | |
---|
| 696 | if (isset($page['save_root_path'])) |
---|
| 697 | { |
---|
| 698 | if ($page['save_root_path']['count'] == 1) |
---|
| 699 | { |
---|
| 700 | if (isset($page['save_root_path']['path'])) |
---|
| 701 | { |
---|
| 702 | $page['root_path'] = $page['save_root_path']['path']; |
---|
| 703 | } |
---|
| 704 | else |
---|
| 705 | { |
---|
| 706 | unset($page['root_path']); |
---|
| 707 | } |
---|
| 708 | unset($page['save_root_path']); |
---|
| 709 | } |
---|
| 710 | else |
---|
| 711 | { |
---|
| 712 | $page['save_root_path']['count'] -= 1; |
---|
| 713 | } |
---|
| 714 | } |
---|
| 715 | } |
---|
| 716 | |
---|
| 717 | /** |
---|
| 718 | * Embellish the url argument |
---|
| 719 | * |
---|
| 720 | * @param $url |
---|
| 721 | * @return $url embellished |
---|
| 722 | */ |
---|
| 723 | function embellish_url($url) |
---|
| 724 | { |
---|
| 725 | $url = str_replace('/./', '/', $url); |
---|
| 726 | while ( ($dotdot = strpos($url, '/../', 1) ) !== false ) |
---|
| 727 | { |
---|
| 728 | $before = strrpos($url, '/', -(strlen($url)-$dotdot+1) ); |
---|
| 729 | if ($before !== false) |
---|
| 730 | { |
---|
| 731 | $url = substr_replace($url, '', $before, $dotdot-$before+3); |
---|
| 732 | } |
---|
| 733 | else |
---|
| 734 | break; |
---|
| 735 | } |
---|
| 736 | return $url; |
---|
| 737 | } |
---|
| 738 | |
---|
| 739 | ?> |
---|