Issue 0000639: Force selected page on index.php

When page index.php is called without defined section, redirect to a page selected  by random on a user list.

git-svn-id: http://piwigo.org/svn/trunk@1788 68402e56-0260-453c-a942-63ccdbb3a9ee

4 files changed, 42 insertions, 4 deletions

diff --git a/include/config_default.inc.php b/include/config_default.inc.php
index f33047a73..b93f3e51d 100644
--- a/include/config_default.inc.php
+++ b/include/config_default.inc.php
@@ -212,6 +212,19 @@ $conf['show_version'] = true;
 // page.
 $conf['links'] = array();
 
+// random_index_redirect: list of 'internal' links to use when no section is defined on index.php.
+// An example is the best than a long explanation :
+//
+//  for each link is associated a php condition
+//  '' condition is equivalent to 'return true;'
+//  $conf['random_index_redirect'] = array(
+//    PHPWG_ROOT_PATH.'index.php?/best_rated' => 'return true;',
+//    PHPWG_ROOT_PATH.'index.php?/recent_pics' => 'return $user[\'is_the_guest\'];',
+//    PHPWG_ROOT_PATH.'random.php' => '',
+//    PHPWG_ROOT_PATH.'index.php?/categories' => '',
+//    );
+$conf['random_index_redirect'] = array();
+
 // List of notes to display on all header page
 // example $conf['header_notes']  = array('Test', 'Hello');
 $conf['header_notes']  = array();
diff --git a/include/functions_url.inc.php b/include/functions_url.inc.php
index 376d4f4e9..2a567e8c5 100644
--- a/include/functions_url.inc.php
+++ b/include/functions_url.inc.php
@@ -312,7 +312,7 @@ function make_section_in_url($params)
 
   if (!isset($params['section']))
   {
-    $params['section'] = 'categories';
+    $params['section'] = 'none';
   }
 
   switch($params['section'])
@@ -398,6 +398,10 @@ function make_section_in_url($params)
 
       break;
     }
+    case 'none' :
+    {
+      break;
+    }
     default :
     {
       $section_string.= '/'.$params['section'];
diff --git a/include/menubar.inc.php b/include/menubar.inc.php
index 4a35cccbf..030c46cbd 100644
--- a/include/menubar.inc.php
+++ b/include/menubar.inc.php
@@ -43,7 +43,7 @@ $template->assign_vars(
     'USERNAME' => $user['username'],
     'MENU_CATEGORIES_CONTENT' => get_categories_menu(),
     'F_IDENTIFY' => get_root_url().'identification.php',
-    'U_HOME' => make_index_url(),
+    'U_CATEGORIES' => make_index_url(array('section' => 'categories')),
     'U_REGISTER' => get_root_url().'register.php',
     'U_LOST_PASSWORD' => get_root_url().'password.php',
     'U_LOGOUT' => get_root_url().'?act=logout',
diff --git a/include/section_init.inc.php b/include/section_init.inc.php
index a1535668a..78ec73fa0 100644
--- a/include/section_init.inc.php
+++ b/include/section_init.inc.php
@@ -51,8 +51,6 @@
 //   'action'   => 'fill_caddie'
 //   );
 
-$page['section'] = 'categories';
-
 // some ISPs set PATH_INFO to empty string or to SCRIPT_FILENAME while in the
 // default apache implementation it is not set
 if ( $conf['question_mark_in_urls']==false and
@@ -268,6 +266,29 @@ else if ('list' == $tokens[$next_token])
   }
   $next_token++;
 }
+else
+{
+  if (!empty($conf['random_index_redirect']))
+  {
+    $random_index_redirect = array();
+    foreach ($conf['random_index_redirect'] as $random_url => $random_url_condition)
+    {
+      if (empty($random_url_condition) or eval($random_url_condition))
+      {
+        $random_index_redirect[] = $random_url;
+      }
+    }
+  }
+
+  if (!empty($random_index_redirect))
+  {
+    redirect($random_index_redirect[mt_rand(0, count($random_index_redirect)-1)]);
+  }
+  else
+  {
+    $page['section'] = 'categories';
+  }
+}
 
 $i = $next_token;