Merge pull request #460 from ArthurHoaro/440-editlink-404

Fixes #440 - 404 error after editing a link

diff --combined index.php
index d88f43467e86eba578d1f1cfcfad09a9c2f26353,3022366123a436165f06c1b557eb45bdc5366d06..5de60425c4c8bdadecdad5163918a5491c24d16c
--- 1/index.php
--- 2/index.php
+++ b/index.php
@@@ -44,18 -44,12 +44,18 @@@ $GLOBALS['config']['DATASTORE'] = $GLOB
  // Banned IPs
  $GLOBALS['config']['IPBANS_FILENAME'] = $GLOBALS['config']['DATADIR'].'/ipbans.php';
  
 +// Processed updates file.
 +$GLOBALS['config']['UPDATES_FILE'] = $GLOBALS['config']['DATADIR'].'/updates.txt';
 +
  // Access log
  $GLOBALS['config']['LOG_FILE'] = $GLOBALS['config']['DATADIR'].'/log.txt';
  
  // For updates check of Shaarli
  $GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt';
  
 +// Set ENABLE_UPDATECHECK to disabled by default.
 +$GLOBALS['config']['ENABLE_UPDATECHECK'] = false;
 +
  // RainTPL cache directory (keep the trailing slash!)
  $GLOBALS['config']['RAINTPL_TMP'] = 'tmp/';
  // Raintpl template directory (keep the trailing slash!)
@@@ -67,6 -61,7 +67,6 @@@ $GLOBALS['config']['CACHEDIR'] = 'cache
  // Atom & RSS feed cache directory
  $GLOBALS['config']['PAGECACHE'] = 'pagecache';
  
 -
  /*
   * Global configuration
   */
@@@ -116,8 -111,7 +116,8 @@@ $GLOBALS['config']['UPDATECHECK_INTERVA
  //);
  $GLOBALS['config']['ENABLED_PLUGINS'] = array('qrcode');
  
 -//$GLOBALS['plugins']['WALLABAG_URL'] = 'https://demo.wallabag.org/';
 +// Initialize plugin parameters array.
 +$GLOBALS['plugins'] = array();
  
  // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
  $GLOBALS['config']['PUBSUBHUB_URL'] = '';
@@@ -165,7 -159,6 +165,7 @@@ require_once 'application/Utils.php'
  require_once 'application/Config.php';
  require_once 'application/PluginManager.php';
  require_once 'application/Router.php';
 +require_once 'application/Updater.php';
  
  // Ensure the PHP version is supported
  try {
@@@ -1117,25 -1110,6 +1117,25 @@@ function renderPage(
          $GLOBALS['redirector']
      );
  
 +    $updater = new Updater(
 +        read_updates_file($GLOBALS['config']['UPDATES_FILE']),
 +        $GLOBALS,
 +        $LINKSDB,
 +        isLoggedIn()
 +    );
 +    try {
 +        $newUpdates = $updater->update();
 +        if (! empty($newUpdates)) {
 +            write_updates_file(
 +                $GLOBALS['config']['UPDATES_FILE'],
 +                $updater->getDoneUpdates()
 +            );
 +        }
 +    }
 +    catch(Exception $e) {
 +        die($e->getMessage());
 +    }
 +
      $PAGE = new pageBuilder;
  
      // Determine which page will be rendered.
@@@ -1145,9 -1119,9 +1145,9 @@@
      // Call plugin hooks for header, footer and includes, specifying which page will be rendered.
      // Then assign generated data to RainTPL.
      $common_hooks = array(
 +        'includes',
          'header',
          'footer',
 -        'includes',
      );
      $pluginManager = PluginManager::getInstance();
      foreach($common_hooks as $name) {
@@@ -1552,21 -1526,40 +1552,40 @@@
      // -------- User clicked the "Save" button when editing a link: Save link to database.
      if (isset($_POST['save_edit']))
      {
-         if (!tokenOk($_POST['token'])) die('Wrong token.'); // Go away!
-         $tags = trim(preg_replace('/\s\s+/',' ', $_POST['lf_tags'])); // Remove multiple spaces.
-         $tags = implode(' ', array_unique(explode(' ', $tags))); // Remove duplicates.
-         $linkdate=$_POST['lf_linkdate'];
+         // Go away!
+         if (! tokenOk($_POST['token'])) {
+             die('Wrong token.');
+         }
+         // Remove multiple spaces.
+         $tags = trim(preg_replace('/\s\s+/', ' ', $_POST['lf_tags']));
+         // Remove duplicates.
+         $tags = implode(' ', array_unique(explode(' ', $tags)));
+         $linkdate = $_POST['lf_linkdate'];
          $url = trim($_POST['lf_url']);
-         if (!startsWith($url,'http:') && !startsWith($url,'https:') && !startsWith($url,'ftp:') && !startsWith($url,'magnet:') && !startsWith($url,'?') && !startsWith($url,'javascript:'))
-             $url = 'http://'.$url;
-         $link = array('title'=>trim($_POST['lf_title']),'url'=>$url,'description'=>trim($_POST['lf_description']),'private'=>(isset($_POST['lf_private']) ? 1 : 0),
-                       'linkdate'=>$linkdate,'tags'=>str_replace(',',' ',$tags));
-         if ($link['title']=='') $link['title']=$link['url']; // If title is empty, use the URL as title.
+         if (! startsWith($url, 'http:') && ! startsWith($url, 'https:')
+             && ! startsWith($url, 'ftp:') && ! startsWith($url, 'magnet:')
+             && ! startsWith($url, '?') && ! startsWith($url, 'javascript:')
+         ) {
+             $url = 'http://' . $url;
+         }
+ 
+         $link = array(
+             'title' => trim($_POST['lf_title']),
+             'url' => $url,
+             'description' => trim($_POST['lf_description']),
+             'private' => (isset($_POST['lf_private']) ? 1 : 0),
+             'linkdate' => $linkdate,
+             'tags' => str_replace(',', ' ', $tags)
+         );
+         // If title is empty, use the URL as title.
+         if ($link['title'] == '') {
+             $link['title'] = $link['url'];
+         }
  
          $pluginManager->executeHooks('save_link', $link);
  
          $LINKSDB[$linkdate] = $link;
-         $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']); // Save to disk.
+         $LINKSDB->savedb($GLOBALS['config']['PAGECACHE']);
          pubsubhub();
  
          // If we are called from the bookmarklet, we must close the popup:
@@@ -1575,10 -1568,12 +1594,12 @@@
              exit;
          }
  
-         $returnurl = !empty($_POST['returnurl']) ? escape($_POST['returnurl']): '?';
+         $returnurl = !empty($_POST['returnurl']) ? $_POST['returnurl'] : '?';
          $location = generateLocation($returnurl, $_SERVER['HTTP_HOST'], array('addlink', 'post', 'edit_link'));
-         $location .= '#'.smallHash($_POST['lf_linkdate']);  // Scroll to the link which has been edited.
-         header('Location: '. $location); // After saving the link, redirect to the page the user was on.
+         // Scroll to the link which has been edited.
+         $location .= '#' . smallHash($_POST['lf_linkdate']);
+         // After saving the link, redirect to the page the user was on.
+         header('Location: '. $location);
          exit;
      }
  
@@@ -2541,6 -2536,15 +2562,6 @@@ function resizeImage($filepath
      return true;
  }
  
 -try {
 -    mergeDeprecatedConfig($GLOBALS, isLoggedIn());
 -} catch(Exception $e) {
 -    error_log(
 -        'ERROR while merging deprecated options.php file.' . PHP_EOL .
 -        $e->getMessage()
 -    );
 -}
 -
  if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=genthumbnail')) { genThumbnail(); exit; }  // Thumbnail generation/cache does not need the link database.
  if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=rss')) { showRSS(); exit; }
  if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=atom')) { showATOM(); exit; }