5 files changed, 104 insertions, 48 deletions

diff --git a/admin/include/functions_permalinks.php b/admin/include/functions_permalinks.php
index 1f10b4379..a9d576256 100644
--- a/admin/include/functions_permalinks.php
+++ b/admin/include/functions_permalinks.php
@@ -23,6 +23,42 @@
 // | USA.                                                                  |
 // +-----------------------------------------------------------------------+
 
+/** returns a category id that corresponds to the given permalink (or null)
+ * @param string permalink
+ */
+function get_cat_id_from_permalink( $permalink )
+{
+  $query ='
+SELECT id FROM '.CATEGORIES_TABLE.'
+  WHERE permalink="'.$permalink.'"';
+  $ids = array_from_query($query, 'id');
+  if (!empty($ids))
+  {
+    return $ids[0];
+  }
+  return null;
+}
+
+/** returns a category id that has used before this permalink (or null)
+ * @param string permalink
+ * @param boolean is_hit if true update the usage counters on the old permalinks
+ */
+function get_cat_id_from_old_permalink($permalink)
+{
+  $query='
+SELECT c.id
+  FROM '.OLD_PERMALINKS_TABLE.' op INNER JOIN '.CATEGORIES_TABLE.' c
+    ON op.cat_id=c.id
+  WHERE op.permalink="'.$permalink.'"
+  LIMIT 1';
+  $result = pwg_query($query);
+  $cat_id = null;
+  if ( mysql_num_rows($result) )
+    list( $cat_id ) = mysql_fetch_array($result);
+  return $cat_id;
+}
+
+
 /** deletes the permalink associated with a category
  * returns true on success
  * @param int cat_id the target category id
@@ -48,7 +84,7 @@ SELECT permalink
   }
   if ($save)
   {
-    $old_cat_id = get_cat_id_from_old_permalink($permalink, false);
+    $old_cat_id = get_cat_id_from_old_permalink($permalink);
     if ( isset($old_cat_id) and $old_cat_id!=$cat_id )
     {
       $page['errors'][] = 
@@ -100,7 +136,9 @@ function set_cat_permalink( $cat_id, $permalink, $save )
 {
   global $page, $cache;
   
-  $sanitized_permalink = preg_replace( '#[^a-zA-Z0-9_-]#', '' ,$permalink);
+  $sanitized_permalink = preg_replace( '#[^a-zA-Z0-9_/-]#', '' ,$permalink);
+  $sanitized_permalink = trim($sanitized_permalink, '/');
+  $sanitized_permalink = str_replace('//', '/', $sanitized_permalink);
   if ( $sanitized_permalink != $permalink 
       or preg_match( '#^(\d)+(-.*)?$#', $permalink) )
   {
@@ -128,7 +166,7 @@ function set_cat_permalink( $cat_id, $permalink, $save )
   }
 
   // check if the new permalink was historically used
-  $old_cat_id = get_cat_id_from_old_permalink($permalink, false);
+  $old_cat_id = get_cat_id_from_old_permalink($permalink);
   if ( isset($old_cat_id) and $old_cat_id!=$cat_id )
   {
     $page['errors'][] = 
diff --git a/include/functions_category.inc.php b/include/functions_category.inc.php
index 5d1679e5c..2c1150321 100644
--- a/include/functions_category.inc.php
+++ b/include/functions_category.inc.php
@@ -364,48 +364,51 @@ SELECT DISTINCT(id)
   return $subcats;
 }
 
-/** returns a category id that corresponds to the given permalink (or null)
- * @param string permalink
+/** finds a matching category id from a potential list of permalinks
+ * @param array permalinks example: holiday holiday/france holiday/france/paris
+ * @param int idx - output of the index in $permalinks that matches
+ * return category id or null if no match
  */
-function get_cat_id_from_permalink( $permalink )
+function get_cat_id_from_permalinks( $permalinks, &$idx )
 {
-  $query ='
-SELECT id FROM '.CATEGORIES_TABLE.'
-  WHERE permalink="'.$permalink.'"';
-  $ids = array_from_query($query, 'id');
-  if (!empty($ids))
+  $in = '';
+  foreach($permalinks as $permalink)
   {
-    return $ids[0];
+    if ( !empty($in) ) $in.=', ';
+    $in .= '"'.$permalink.'"';
   }
-  return null;
-}
-
-/** returns a category id that has used before this permalink (or null)
- * @param string permalink
- * @param boolean is_hit if true update the usage counters on the old permalinks
- */
-function get_cat_id_from_old_permalink($permalink, $is_hit)
-{
-  $query='
-SELECT c.id
+  $query ='
+SELECT c.id, op.permalink, 1 AS is_old
   FROM '.OLD_PERMALINKS_TABLE.' op INNER JOIN '.CATEGORIES_TABLE.' c
     ON op.cat_id=c.id
-  WHERE op.permalink="'.$permalink.'"
-  LIMIT 1';
-  $result = pwg_query($query);
-  $cat_id = null;
-  if ( mysql_num_rows($result) )
-    list( $cat_id ) = mysql_fetch_array($result);
+  WHERE op.permalink IN ('.$in.')
+UNION
+SELECT id, permalink, 0 AS is_old
+  FROM '.CATEGORIES_TABLE.'
+  WHERE permalink IN ('.$in.')
+;';
+  $perma_hash = hash_from_query($query, 'permalink');
 
-  if ( isset($cat_id) and $is_hit )
+  if ( empty($perma_hash) )
+    return null;
+  for ($i=count($permalinks)-1; $i>=0; $i--)
   {
-    $query='
+    if ( isset( $perma_hash[ $permalinks[$i] ] ) )
+    {
+      $idx = $i;
+      $cat_id = $perma_hash[ $permalinks[$i] ]['id'];
+      if ($perma_hash[ $permalinks[$i] ]['is_old'])
+      {
+        $query='
 UPDATE '.OLD_PERMALINKS_TABLE.' SET last_hit=NOW(), hit=hit+1
-  WHERE permalink="'.$permalink.'" AND cat_id='.$cat_id.'
+  WHERE permalink="'.$permalinks[$i].'" AND cat_id='.$cat_id.'
   LIMIT 1';
-    pwg_query($query);
+        pwg_query($query);
+      }
+      return $cat_id;
+    }
   }
-  return $cat_id;
+  return null;
 }
 
 function global_rank_compare($a, $b)
diff --git a/include/functions_url.inc.php b/include/functions_url.inc.php
index 3c0138136..9e81a72cf 100644
--- a/include/functions_url.inc.php
+++ b/include/functions_url.inc.php
@@ -457,29 +457,44 @@ function parse_section_url( $tokens, &$next_token)
         $next_token++;
       }
       else
-      {
-        if ( strpos($tokens[$next_token], 'created-')!==0
-            and strpos($tokens[$next_token], 'posted-')!==0
+      {// try a permalink
+        $maybe_permalinks = array();
+        $current_token = $next_token;
+        while ( isset($tokens[$current_token])
+            and strpos($tokens[$current_token], 'created-')!==0
+            and strpos($tokens[$current_token], 'posted-')!==0
             and strpos($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);
+            and $tokens[$current_token] != 'flat')
+        {
+          if (empty($maybe_permalinks))
+          {
+            array_push($maybe_permalinks, $tokens[$current_token]);
+          }
+          else
+          {
+            array_push($maybe_permalinks,
+                $maybe_permalinks[count($maybe_permalinks)-1]
+                . '/' . $tokens[$current_token]
+              );
           }
+          $current_token++;
+        }
+
+        if ( count($maybe_permalinks) )
+        {
+          $cat_id = get_cat_id_from_permalinks($maybe_permalinks, $perma_index);
           if ( isset($cat_id) )
           {
+            $next_token += $perma_index+1;
             $page['category'] = $cat_id;
-            $page['hit_by']['cat_permalink'] = $tokens[$next_token];
+            $page['hit_by']['cat_permalink'] = $maybe_permalinks[$perma_index];
           }
           else
           {
             page_not_found('Permalink for album not found');
           }
-          $next_token++;
         }
-       }
+      }
     }
 
     if (isset($page['category']))
diff --git a/language/en_UK.iso-8859-1/admin.lang.php b/language/en_UK.iso-8859-1/admin.lang.php
index 1b026ae72..d73c92c5e 100644
--- a/language/en_UK.iso-8859-1/admin.lang.php
+++ b/language/en_UK.iso-8859-1/admin.lang.php
@@ -148,7 +148,7 @@ $lang['Parent category'] = 'Parent category';
 $lang['Path'] = 'Path';
 $lang['Permalink'] = 'Permalink';
 $lang['Permalink_%s_histo_used_by_%s'] = 'Permalink %s has been previously used by category %s. Delete from the permalink history first';
-$lang['Permalink_name_rule'] = 'The permalink name must be composed of a-z, A-Z, 0-9, "-" or "_". It must not be numeric or start with number followed by "-"';
+$lang['Permalink_name_rule'] = 'The permalink name must be composed of a-z, A-Z, 0-9, "-", "_" or "/". It must not be numeric or start with number followed by "-"';
 $lang['Permalink %s is already used by category %s'] = 'Permalink %s is already used by category %s';
 $lang['Permalink history'] = 'Permalink history';
 $lang['Permalinks'] = 'Permalinks';
diff --git a/language/fr_FR.iso-8859-1/admin.lang.php b/language/fr_FR.iso-8859-1/admin.lang.php
index ae88c0403..6a47b6398 100644
--- a/language/fr_FR.iso-8859-1/admin.lang.php
+++ b/language/fr_FR.iso-8859-1/admin.lang.php
@@ -148,7 +148,7 @@ $lang['Parent category'] = 'Catégorie parente';
 $lang['Path'] = 'Chemin';
 $lang['Permalink'] = 'Lien permanent';
 $lang['Permalink_%s_histo_used_by_%s'] = 'Le lien permanent %s a été utilisé précédemment par la catégorie %s. Veuillez l\'effacer de l\'historique des liens permanents';
-$lang['Permalink_name_rule'] = 'Le lien permanent ne doit contenir des caractères que parmi "a-zA-Z0-9", "-" ou "_". Il ne doit pas être numérique ou commencer par un nombre suivi par "-"';
+$lang['Permalink_name_rule'] = 'Le lien permanent ne doit contenir des caractères que parmi "a-zA-Z0-9", "-", "_" ou "/". Il ne doit pas être numérique ou commencer par un nombre suivi par "-"';
 $lang['Permalink %s is already used by category %s'] = 'Le lien permanent %s est dèja utilisé par la catégorie %s';
 $lang['Permalink history'] = 'Historique des liens permanents';
 $lang['Permalinks'] = 'Liens permanents';