Changeset 45 for trunk/include/functions_session.inc.php

Timestamp:

Jul 27, 2003, 10:24:10 AM (21 years ago)

Author:

z0rglub

Message:

optional cookie identification

File:

• trunk/include/functions_session.inc.php (modified) (4 diffs)

trunk/include/functions_session.inc.php

@@ -15 +15 @@
  *                                                                         *
  ***************************************************************************/
+
+// The function generate_key creates a string with pseudo random characters.
+// the size of the string depends on the $conf['session_id_size'].
+// Characters used are a-z A-Z and numerical values. Examples :
+//                    "Er4Tgh6", "Rrp08P", "54gj"
+// input  : none (using global variable)
+// output : $key
 function generate_key()
 {
   global $conf;
+
   $md5 = md5( substr( microtime(), 2, 6 ).$conf['session_keyword'] );
   $init = '';
   for ( $i = 0; $i < strlen( $md5 ); $i++ )
   {
-    if ( is_numeric( $md5[$i] ) )
-    {
-      $init.= $md5[$i];
-    }
+    if ( is_numeric( $md5[$i] ) ) $init.= $md5[$i];
   }
   $init = substr( $init, 0, 8 );
@@ -33 +38 @@
   {
     $c = mt_rand( 0, 2 );
-    if ( $c == 0 )
-    {
-      $key .= chr( mt_rand( 65, 90 ) );
-    }
-    else if ( $c == 1 )
-    {
-      $key .= chr( mt_rand( 97, 122 ) );
-    }
-    else
-    {
-      $key .= mt_rand( 0, 9 );
-    }
+    if ( $c == 0 )      $key .= chr( mt_rand( 65, 90 ) );
+    else if ( $c == 1 ) $key .= chr( mt_rand( 97, 122 ) );
+    else                $key .= mt_rand( 0, 9 );
   }
   return $key;
 }
-        
+
+// The function create_session finds a non-already-used session key and
+// returns it once found for the given user.
 function session_create( $username )
 {
   global $conf;
-  // 1. searching an unused sesison key
+  // 1. searching an unused session key
   $id_found = false;
   while ( !$id_found )
@@ -90 +88 @@
 {
   global $page, $user;
+
+  if ( $user['has_cookie'] ) return $url;
+
   $amp = '&amp;';
   if ( $redirect )
@@ -111 +112 @@
   }
 }
+
+// cookie_path returns the path to use for the PhpWebGallery cookie.
+// If PhpWebGallery is installed on :
+// http://domain.org/meeting/gallery/category.php
+// cookie_path will return : "/meeting/gallery"
+function cookie_path()
+{
+  return substr($_SERVER['PHP_SELF'],0,strrpos( $_SERVER['PHP_SELF'],'/'));
+}
 ?>