<?php // +-----------------------------------------------------------------------+ // | Piwigo - a PHP based picture gallery | // +-----------------------------------------------------------------------+ // | Copyright(C) 2008-2009 Piwigo Team http://piwigo.org | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | // +-----------------------------------------------------------------------+ // | This program is free software; you can redistribute it and/or modify | // | it under the terms of the GNU General Public License as published by | // | the Free Software Foundation | // | | // | This program is distributed in the hope that it will be useful, but | // | WITHOUT ANY WARRANTY; without even the implied warranty of | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | // | General Public License for more details. | // | | // | You should have received a copy of the GNU General Public License | // | along with this program; if not, write to the Free Software | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | // | USA. | // +-----------------------------------------------------------------------+ /** * returns the list of categories as a HTML string * * categories string returned contains categories as given in the input * array $cat_informations. $cat_informations array must be an array * of array( id=>?, name=>?, permalink=>?). If url input parameter is null, * returns only the categories name without links. * * @param array cat_informations * @param string url * @param boolean replace_space * @return string */ function get_cat_display_name($cat_informations, $url = '', $replace_space = true) { global $conf; $output = ''; $is_first = true; foreach ($cat_informations as $cat) { is_array($cat) or trigger_error( 'get_cat_display_name wrong type for category ', E_USER_WARNING ); $cat['name'] = trigger_event( 'render_category_name', $cat['name'], 'get_cat_display_name' ); if ($is_first) { $is_first = false; } else { $output.= $conf['level_separator']; } if ( !isset($url) ) { $output.= $cat['name']; } elseif ($url == '') { $output.= '<a href="' .make_index_url( array( 'category' => $cat, ) ) .'">'; $output.= $cat['name'].'</a>'; } else { $output.= '<a href="'.PHPWG_ROOT_PATH.$url.$cat['id'].'">'; $output.= $cat['name'].'</a>'; } } if ($replace_space) { return replace_space($output); } else { return $output; } } /** * returns the list of categories as a HTML string, with cache of names * * categories string returned contains categories as given in the input * array $cat_informations. $uppercats is the list of category ids to * display in the right order. If url input parameter is empty, returns only * the categories name without links. * * @param string uppercats * @param string url * @param boolean replace_space * @return string */ function get_cat_display_name_cache($uppercats, $url = '', $replace_space = true) { global $cache, $conf; if (!isset($cache['cat_names'])) { $query = ' SELECT id, name, permalink FROM '.CATEGORIES_TABLE.' ;'; $cache['cat_names'] = hash_from_query($query, 'id'); } $output = ''; $is_first = true; foreach (explode(',', $uppercats) as $category_id) { $cat = $cache['cat_names'][$category_id]; $cat['name'] = trigger_event( 'render_category_name', $cat['name'], 'get_cat_display_name_cache' ); if ($is_first) { $is_first = false; } else { $output.= $conf['level_separator']; } if ( !isset($url) ) { $output.= $cat['name']; } elseif ($url == '') { $output.= ' <a href="' .make_index_url( array( 'category' => $cat, ) ) .'">'.$cat['name'].'</a>'; } else { $output.= ' <a href="'.PHPWG_ROOT_PATH.$url.$category_id.'">'.$cat['name'].'</a>'; } } if ($replace_space) { return replace_space($output); } else { return $output; } } /** * returns HTMLized comment contents retrieved from database * * newlines becomes br tags, _word_ becomes underline, /word/ becomes * italic, *word* becomes bolded * * @param string content * @return string */ function parse_comment_content($content) { $pattern = '/(https?:\/\/\S*)/'; $replacement = '<a href="$1" rel="nofollow">$1</a>'; $content = preg_replace($pattern, $replacement, $content); $content = nl2br($content); // replace _word_ by an underlined word $pattern = '/\b_(\S*)_\b/'; $replacement = '<span style="text-decoration:underline;">$1</span>'; $content = preg_replace($pattern, $replacement, $content); // replace *word* by a bolded word $pattern = '/\b\*(\S*)\*\b/'; $replacement = '<span style="font-weight:bold;">$1</span>'; $content = preg_replace($pattern, $replacement, $content); // replace /word/ by an italic word $pattern = "/\/(\S*)\/(\s)/"; $replacement = '<span style="font-style:italic;">$1$2</span>'; $content = preg_replace($pattern, $replacement, $content); $content = '<div>'.$content.'</div>'; return $content; } function get_cat_display_name_from_id($cat_id, $url = '', $replace_space = true) { $cat_info = get_cat_info($cat_id); return get_cat_display_name($cat_info['upper_names'], $url, $replace_space); } /** * Returns an HTML list of tags. It can be a multi select field or a list of * checkboxes. * * @param string HTML field name * @param array selected tag ids * @return array */ function get_html_tag_selection( $tags, $fieldname, $selecteds = array(), $forbidden_categories = null ) { global $conf; if (count ($tags) == 0 ) { return ''; } $output = '<ul class="tagSelection">'; foreach ($tags as $tag) { $output.= '<li>' .'<label>' .'<input type="checkbox" name="'.$fieldname.'[]"' .' value="'.$tag['id'].'"' ; if (in_array($tag['id'], $selecteds)) { $output.= ' checked="checked"'; } $output.= '>' .' '. $tag['name'] .'</label>' .'</li>' ."\n" ; } $output.= '</ul>'; return $output; } function name_compare($a, $b) { return strcmp(strtolower($a['name']), strtolower($b['name'])); } function tag_alpha_compare($a, $b) { return strcmp(strtolower($a['url_name']), strtolower($b['url_name'])); } /** * exits the current script (either exit or redirect) */ function access_denied() { global $user; $login_url = get_root_url().'identification.php?redirect=' .urlencode(urlencode($_SERVER['REQUEST_URI'])); set_status_header(401); if ( isset($user) and !is_a_guest() ) { echo '<meta http-equiv="Content-Type" content="text/html; charset=utf-8">'; echo '<div style="text-align:center;">'.l10n('You are not authorized to access the requested page').'<br>'; echo '<a href="'.get_root_url().'Identification.php">'.l10n('Identification').'</a> '; echo '<a href="'.make_index_url().'">'.l10n('Home').'</a></div>'; echo str_repeat( ' ', 512); //IE6 doesn't error output if below a size exit(); } else { redirect_html($login_url); } } /** * exits the current script with 403 code * @param string msg a message to display * @param string alternate_url redirect to this url */ function page_forbidden($msg, $alternate_url=null) { set_status_header(403); if ($alternate_url==null) $alternate_url = make_index_url(); redirect_html( $alternate_url, '<div style="text-align:left; margin-left:5em;margin-bottom:5em;"> <h1 style="text-align:left; font-size:36px;">Forbidden</h1><br>' .$msg.'</div>', 5 ); } /** * exits the current script with 400 code * @param string msg a message to display * @param string alternate_url redirect to this url */ function bad_request($msg, $alternate_url=null) { set_status_header(400); if ($alternate_url==null) $alternate_url = make_index_url(); redirect_html( $alternate_url, '<div style="text-align:left; margin-left:5em;margin-bottom:5em;"> <h1 style="text-align:left; font-size:36px;">Bad request</h1><br>' .$msg.'</div>', 5 ); } /** * exits the current script with 404 code when a page cannot be found * @param string msg a message to display * @param string alternate_url redirect to this url */ function page_not_found($msg, $alternate_url=null) { set_status_header(404); if ($alternate_url==null) $alternate_url = make_index_url(); redirect_html( $alternate_url, '<div style="text-align:left; margin-left:5em;margin-bottom:5em;"> <h1 style="text-align:left; font-size:36px;">Page not found</h1><br>' .$msg.'</div>', 5 ); } /** * exits the current script with 500 http code * this method can be called at any time (does not use template/language/user etc...) * @param string msg a message to display */ function fatal_error($msg) { $btrace_msg = ''; if (function_exists('debug_backtrace')) { $bt = debug_backtrace(); for ($i=1; $i<count($bt); $i++) { $class = isset($bt[$i]['class']) ? (@$bt[$i]['class'].'::') : ''; $btrace_msg .= "#$i\t".$class.@$bt[$i]['function'].' '.@$bt[$i]['file']."(".@$bt[$i]['line'].")\n"; } $btrace_msg = trim($btrace_msg); $msg .= "\n"; } $display = "<meta http-equiv='Content-Type' content='text/html; charset=utf-8'> <h1>Piwigo encountered a non recoverable error</h1> <pre style='font-size:larger;background:white;color:red;padding:1em;margin:0;clear:both;display:block;width:auto;height:auto;overflow:auto'> <b>$msg</b> $btrace_msg </pre>\n"; @set_status_header(500); echo $display.str_repeat( ' ', 300); //IE6 doesn't error output if below a size if ( function_exists('ini_set') ) {// if possible turn off error display (we display it) ini_set('display_errors', false); } error_reporting( E_ALL ); trigger_error( strip_tags($msg).$btrace_msg, E_USER_ERROR ); die(0); // just in case } /* returns the title to be displayed above thumbnails on tag page */ function get_tags_content_title() { global $page; $title = count($page['tags']) > 1 ? l10n('Tag') : l10n('Tag'); $title.= ' '; for ($i=0; $i<count($page['tags']); $i++) { $title.= $i>0 ? ' + ' : ''; $title.= '<a href="' .make_index_url( array( 'tags' => array( $page['tags'][$i] ) ) ) .'" title="' .l10n('See images linked to this tag only') .'">' .$page['tags'][$i]['name'] .'</a>'; if ( count($page['tags'])>2 ) { $other_tags = $page['tags']; unset ( $other_tags[$i] ); $title.= '<a href="' .make_index_url( array( 'tags' => $other_tags ) ) .'" style="border:none;" title="' .l10n('remove this tag from the list') .'"><img src="' .get_root_url().get_themeconf('icon_dir').'/remove_s.png' .'" alt="x" style="vertical-align:bottom;" class="button">' .'</a>'; } } return $title; } /** Sets the http status header (200,401,...) */ function set_status_header($code, $text='') { if (empty($text)) { switch ($code) { case 200: $text='OK';break; case 301: $text='Moved permanently';break; case 302: $text='Moved temporarily';break; case 304: $text='Not modified';break; case 400: $text='Bad request';break; case 401: $text='Authorization required';break; case 403: $text='Forbidden';break; case 404: $text='Not found';break; case 500: $text='Server error';break; case 501: $text='Not implemented';break; case 503: $text='Service unavailable';break; } } $protocol = $_SERVER["SERVER_PROTOCOL"]; if ( ('HTTP/1.1' != $protocol) && ('HTTP/1.0' != $protocol) ) $protocol = 'HTTP/1.0'; if ( version_compare( phpversion(), '4.3.0', '>=' ) ) { header( "$protocol $code $text", true, $code ); } else { header( "$protocol $code $text" ); } trigger_action('set_status_header', $code, $text); } /** returns the category comment for rendering in html textual mode (subcatify) * this is an event handler. don't call directly */ function render_category_literal_description($desc) { return strip_tags($desc, '<span><p><a><br><b><i><small><big><strong><em>'); } /** returns the argument_ids array with new sequenced keys based on related * names. Sequence is not case sensitive. * Warning: By definition, this function breaks original keys */ function order_by_name($element_ids,$name) { $ordered_element_ids = array(); foreach ($element_ids as $k_id => $element_id) { $key = strtolower($name[$element_id]) .'-'. $name[$element_id] .'-'. $k_id; $ordered_element_ids[$key] = $element_id; } ksort($ordered_element_ids); return $ordered_element_ids; } /*event handler for menu*/ function register_default_menubar_blocks( $menu_ref_arr ) { $menu = & $menu_ref_arr[0]; if ($menu->get_id() != 'menubar') return; $menu->register_block( new RegisteredBlock( 'mbLinks', 'Links', 'piwigo')); $menu->register_block( new RegisteredBlock( 'mbCategories', 'Categories', 'piwigo')); $menu->register_block( new RegisteredBlock( 'mbTags', 'Related tags', 'piwigo')); $menu->register_block( new RegisteredBlock( 'mbSpecials', 'special_categories', 'piwigo')); $menu->register_block( new RegisteredBlock( 'mbMenu', 'title_menu', 'piwigo')); $menu->register_block( new RegisteredBlock( 'mbIdentification', 'identification', 'piwigo') ); } ?>