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-rw-r--r--include/functions_url.inc.php216
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