diff options
Diffstat (limited to 'include/functions_url.inc.php')
| -rw-r--r-- | include/functions_url.inc.php | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/include/functions_url.inc.php b/include/functions_url.inc.php index 31696096f..1d2b59e47 100644 --- a/include/functions_url.inc.php +++ b/include/functions_url.inc.php @@ -430,6 +430,222 @@ function make_section_in_url($params) } /** + * the reverse of make_section_in_url + * returns the 'section' (categories/tags/...) and the data associated with it + * + * Depending on section, other parameters are returned (category/tags/list/...) + * + * @param array of url tokens to parse + * @param int the index in the array of url tokens; in/out + * @return array + */ +function parse_section_url( $tokens, &$next_token) +{ + $page=array(); + if (0 === strpos(@$tokens[$next_token], 'categor')) + { + $page['section'] = 'categories'; + $next_token++; + + if (isset($tokens[$next_token]) ) + { + if (preg_match('/^(\d+)(?:-(.+))?$/', $tokens[$next_token], $matches)) + { + if ( isset($matches[2]) ) + $page['hit_by']['cat_url_name'] = $matches[2]; + $page['category'] = $matches[1]; + $next_token++; + } + else + { + if ( strpos($tokens[$next_token], 'created-')!==0 + and strpos($tokens[$next_token], 'posted-')!==0 + and strpos($tokens[$next_token], 'start-')!==0 + and $tokens[$next_token] != 'flat') + {// try a permalink + $cat_id = get_cat_id_from_permalink($tokens[$next_token]); + if ( !isset($cat_id) ) + {//try old permalink + $cat_id = get_cat_id_from_old_permalink($tokens[$next_token], true); + } + if ( isset($cat_id) ) + { + $page['category'] = $cat_id; + $page['hit_by']['cat_permalink'] = $tokens[$next_token]; + } + else + { + page_not_found('Permalink for album not found'); + } + $next_token++; + } + } + } + + if (isset($page['category'])) + { + $result = get_cat_info($page['category']); + if (empty($result)) + { + page_not_found('Requested category does not exist' ); + } + $page['category']=$result; + } + } + else if (0 === strpos(@$tokens[$next_token], 'tag')) + { + $page['section'] = 'tags'; + $page['tags'] = array(); + + $next_token++; + $i = $next_token; + + $requested_tag_ids = array(); + $requested_tag_url_names = array(); + + while (isset($tokens[$i])) + { + if ( preg_match('/^(created-|posted-|start-(\d)+)/', $tokens[$i]) ) + break; + + if ( preg_match('/^(\d+)(?:-(.*))?/', $tokens[$i], $matches) ) + { + array_push($requested_tag_ids, $matches[1]); + } + else + { + array_push($requested_tag_url_names, $tokens[$i]); + } + $i++; + } + $next_token = $i; + + if ( empty($requested_tag_ids) && empty($requested_tag_url_names) ) + { + bad_request('at least one tag required'); + } + + $page['tags'] = find_tags($requested_tag_ids, $requested_tag_url_names); + if ( empty($page['tags']) ) + { + page_not_found('Requested tag does not exist', get_root_url().'tags.php' ); + } + } + else if (0 === strpos(@$tokens[$next_token], 'fav')) + { + $page['section'] = 'favorites'; + $next_token++; + } + else if ('most_visited' == @$tokens[$next_token]) + { + $page['section'] = 'most_visited'; + $next_token++; + } + else if ('best_rated' == @$tokens[$next_token]) + { + $page['section'] = 'best_rated'; + $next_token++; + } + else if ('recent_pics' == @$tokens[$next_token]) + { + $page['section'] = 'recent_pics'; + $next_token++; + } + else if ('recent_cats' == @$tokens[$next_token]) + { + $page['section'] = 'recent_cats'; + $next_token++; + } + else if ('search' == @$tokens[$next_token]) + { + $page['section'] = 'search'; + $next_token++; + + preg_match('/(\d+)/', @$tokens[$next_token], $matches); + if (!isset($matches[1])) + { + bad_request('search identifier is missing'); + } + $page['search'] = $matches[1]; + $next_token++; + } + else if ('list' == @$tokens[$next_token]) + { + $page['section'] = 'list'; + $next_token++; + + $page['list'] = array(); + + // No pictures + if (empty($tokens[$next_token])) + { + // Add dummy element list + array_push($page['list'], -1); + } + // With pictures list + else + { + if (!preg_match('/^\d+(,\d+)*$/', $tokens[$next_token])) + { + bad_request('wrong format on list GET parameter'); + } + foreach (explode(',', $tokens[$next_token]) as $image_id) + { + array_push($page['list'], $image_id); + } + } + $next_token++; + } + return $page; +} + +/** + * the reverse of add_well_known_params_in_url + * parses start, flat and chronology from url tokens +*/ +function parse_well_known_params_url($tokens, $i) +{ + $page = array(); + while (isset($tokens[$i])) + { + if (preg_match('/^start-(\d+)/', $tokens[$i], $matches)) + { + $page['start'] = $matches[1]; + } + + if ( 'flat' == $tokens[$i] ) + { + // indicate a special list of images + $page['flat'] = true; + } + + if (preg_match('/^(posted|created)/', $tokens[$i] )) + { + $chronology_tokens = explode('-', $tokens[$i] ); + + $page['chronology_field'] = $chronology_tokens[0]; + + array_shift($chronology_tokens); + $page['chronology_style'] = $chronology_tokens[0]; + + array_shift($chronology_tokens); + if ( count($chronology_tokens)>0 ) + { + if ('list'==$chronology_tokens[0] or + 'calendar'==$chronology_tokens[0]) + { + $page['chronology_view'] = $chronology_tokens[0]; + array_shift($chronology_tokens); + } + $page['chronology_date'] = $chronology_tokens; + } + } + $i++; + } + return $page; +} + +/** * Indicate to build url with full path * * @param null |