X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=index.php;h=e2c68869f5112b55d5b81a4e962ccab148aa7c3f;hb=2e45fdd8ff84678215ac838133f89c57580b59af;hp=b594287c90220ca87739925af766c0537b87f876;hpb=e0cbb078723ad521496c53ff84a9cd29d9dd327a;p=github%2Fshaarli%2FShaarli.git

diff --git a/index.php b/index.php
index b594287c..e2c68869 100644
--- a/index.php
+++ b/index.php
@@ -21,16 +21,18 @@ $GLOBALS['config']['BAN_AFTER'] = 4;        // Ban IP after this many failures.
 $GLOBALS['config']['BAN_DURATION'] = 1800;  // Ban duration for IP address after login failures (in seconds) (1800 sec. = 30 minutes)
 $GLOBALS['config']['OPEN_SHAARLI'] = false; // If true, anyone can add/edit/delete links without having to login
 $GLOBALS['config']['HIDE_TIMESTAMPS'] = false; // If true, the moment when links were saved are not shown to users that are not logged in.
+$GLOBALS['config']['SHOW_ATOM'] = false; // If true, an extra "ATOM feed" button will be displayed in the toolbar
 $GLOBALS['config']['ENABLE_THUMBNAILS'] = true; // Enable thumbnails in links.
 $GLOBALS['config']['CACHEDIR'] = 'cache'; // Cache directory for thumbnails for SLOW services (like flickr)
 $GLOBALS['config']['PAGECACHE'] = 'pagecache'; // Page cache directory.
 $GLOBALS['config']['ENABLE_LOCALCACHE'] = true; // Enable Shaarli to store thumbnail in a local cache. Disable to reduce web space usage.
 $GLOBALS['config']['PUBSUBHUB_URL'] = ''; // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
-$GLOBALS['config']['RAINTPL_TMP'] = 'tmp' ; // Raintpl cache directory
-$GLOBALS['config']['RAINTPL_TPL'] = 'tpl/' ; // Raintpl template directory (keep the trailling slash!)
+$GLOBALS['config']['RAINTPL_TMP'] = 'tmp/' ; // Raintpl cache directory  (keep the trailing slash!)
+$GLOBALS['config']['RAINTPL_TPL'] = 'tpl/' ; // Raintpl template directory (keep the trailing slash!)
 $GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt'; // For updates check of Shaarli.
 $GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400 ; // Updates check frequency for Shaarli. 86400 seconds=24 hours
                                           // Note: You must have publisher.php in the same directory as Shaarli index.php
+$GLOBALS['config']['ARCHIVE_ORG'] = false; // For each link, add a link to an archived version on archive.org
 // -----------------------------------------------------------------------------------------------
 // You should not touch below (or at your own risks!)
 // Optional config file.
@@ -133,7 +135,7 @@ function checkUpdate()
     if (!is_file($GLOBALS['config']['UPDATECHECK_FILENAME']) || (filemtime($GLOBALS['config']['UPDATECHECK_FILENAME'])<time()-($GLOBALS['config']['UPDATECHECK_INTERVAL'])))
     {
         $version=shaarli_version;
-        list($httpstatus,$headers,$data) = getHTTP('http://sebsauvage.net/files/shaarli_version.txt',2);
+        list($httpstatus,$headers,$data) = getHTTP('https://raw.githubusercontent.com/shaarli/Shaarli/master/shaarli_version.txt',2);
         if (strpos($httpstatus,'200 OK')!==false) $version=$data;
         // If failed, never mind. We don't want to bother the user with that.
         file_put_contents($GLOBALS['config']['UPDATECHECK_FILENAME'],$version); // touch file date
@@ -335,7 +337,7 @@ function isLoggedIn()
 }
 
 // Force logout.
-function logout() { if (isset($_SESSION)) { unset($_SESSION['uid']); unset($_SESSION['ip']); unset($_SESSION['username']); unset($_SESSION['privateonly']); }  
+function logout() { if (isset($_SESSION)) { unset($_SESSION['uid']); unset($_SESSION['ip']); unset($_SESSION['username']); unset($_SESSION['privateonly']); }
 setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH);
 }
 
@@ -792,14 +794,16 @@ class linkdb implements Iterator, Countable, ArrayAccess
     {
         // FIXME: explode(' ',$searchterms) and perform a AND search.
         // FIXME: accept double-quotes to search for a string "as is"?
+        // Using mb_convert_case($val, MB_CASE_LOWER, 'UTF-8') allows us to perform searches on
+        // Unicode text. See https://github.com/shaarli/Shaarli/issues/75 for examples.
         $filtered=array();
-        $s = strtolower($searchterms);
+        $s = mb_convert_case($searchterms, MB_CASE_LOWER, 'UTF-8');
         foreach($this->links as $l)
         {
-            $found=   (strpos(strtolower($l['title']),$s)!==false)
-                   || (strpos(strtolower($l['description']),$s)!==false)
-                   || (strpos(strtolower($l['url']),$s)!==false)
-                   || (strpos(strtolower($l['tags']),$s)!==false);
+            $found=   (strpos(mb_convert_case($l['title'],       MB_CASE_LOWER, 'UTF-8'),$s) !== false)
+                   || (strpos(mb_convert_case($l['description'], MB_CASE_LOWER, 'UTF-8'),$s) !== false)
+                   || (strpos(mb_convert_case($l['url'],         MB_CASE_LOWER, 'UTF-8'),$s) !== false)
+                   || (strpos(mb_convert_case($l['tags'],        MB_CASE_LOWER, 'UTF-8'),$s) !== false);
             if ($found) $filtered[$l['linkdate']] = $l;
         }
         krsort($filtered);
@@ -811,12 +815,14 @@ class linkdb implements Iterator, Countable, ArrayAccess
     // e.g. print_r($mydb->filterTags('linux programming'));
     public function filterTags($tags,$casesensitive=false)
     {
-        $t = str_replace(',',' ',($casesensitive?$tags:strtolower($tags)));
+        // Same as above, we use UTF-8 conversion to handle various graphemes (i.e. cyrillic, or greek)
+        // TODO: is $casesensitive ever true ?
+        $t = str_replace(',',' ',($casesensitive?$tags:mb_convert_case($tags, MB_CASE_LOWER, 'UTF-8')));
         $searchtags=explode(' ',$t);
         $filtered=array();
         foreach($this->links as $l)
         {
-            $linktags = explode(' ',($casesensitive?$l['tags']:strtolower($l['tags'])));
+            $linktags = explode(' ',($casesensitive?$l['tags']:mb_convert_case($l['tags'], MB_CASE_LOWER, 'UTF-8')));
             if (count(array_intersect($linktags,$searchtags)) == count($searchtags))
                 $filtered[$l['linkdate']] = $l;
         }
@@ -905,7 +911,7 @@ function showRSS()
     else $linksToDisplay = $LINKSDB;
     $nblinksToDisplay = 50;  // Number of links to display.
     if (!empty($_GET['nb']))  // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
-    { 
+    {
         $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ;
     }
 
@@ -980,7 +986,7 @@ function showATOM()
     else $linksToDisplay = $LINKSDB;
     $nblinksToDisplay = 50;  // Number of links to display.
     if (!empty($_GET['nb']))  // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
-    { 
+    {
         $nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ;
     }
 
@@ -1265,7 +1271,25 @@ function renderPage()
         // Get previous URL (http_referer) and add the tag to the searchtags parameters in query.
         if (empty($_SERVER['HTTP_REFERER'])) { header('Location: ?searchtags='.urlencode($_GET['addtag'])); exit; } // In case browser does not send HTTP_REFERER
         parse_str(parse_url($_SERVER['HTTP_REFERER'],PHP_URL_QUERY), $params);
-        $params['searchtags'] = (empty($params['searchtags']) ?  trim($_GET['addtag']) : trim($params['searchtags']).' '.trim($_GET['addtag']));
+
+        // Check if this tag is already in the search query and ignore it if it is.
+        // Each tag is always separated by a space
+        $current_tags = explode(' ', $params['searchtags']);
+        $addtag = true;
+        foreach ($current_tags as $value) {
+            if ($value === $_GET['addtag']) {
+                $addtag = false;
+                break;
+            }
+        }
+        // Append the tag if necessary
+        if (empty($params['searchtags'])) {
+            $params['searchtags'] = trim($_GET['addtag']);
+        }
+        else if ($addtag) {
+            $params['searchtags'] = trim($params['searchtags']).' '.trim($_GET['addtag']);
+        }
+
         unset($params['page']); // We also remove page (keeping the same page has no sense, since the results are different)
         header('Location: ?'.http_build_query($params));
         exit;
@@ -1329,6 +1353,14 @@ function renderPage()
             header('Location: ?do=login&post='.urlencode($_GET['post']).(!empty($_GET['title'])?'&title='.urlencode($_GET['title']):'').(!empty($_GET['description'])?'&description='.urlencode($_GET['description']):'').(!empty($_GET['source'])?'&source='.urlencode($_GET['source']):'')); // Redirect to login page, then back to post link.
             exit;
         }
+
+		// Same case as above except that user tried to access ?do=addlink without being logged in
+		// Note: passing empty parameters makes Shaarli generate default URLs and descriptions.
+		if (isset($_GET['do']) && $_GET['do'] === 'addlink') {
+			header('Location: ?do=login&post=');
+			exit;
+		}
+
         $PAGE = new pageBuilder;
         buildLinkList($PAGE,$LINKSDB); // Compute list of links to display
         $PAGE->renderPage('linklist');
@@ -1556,7 +1588,7 @@ function renderPage()
             $title = (empty($_GET['title']) ? '' : $_GET['title'] ); // Get title if it was provided in URL (by the bookmarklet).
             $description = (empty($_GET['description']) ? '' : $_GET['description']); // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
             $tags = (empty($_GET['tags']) ? '' : $_GET['tags'] ); // Get tags if it was provided in URL
-            $private = (!empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0); // Get private if it was provided in URL 
+            $private = (!empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0); // Get private if it was provided in URL
             if (($url!='') && parse_url($url,PHP_URL_SCHEME)=='') $url = 'http://'.$url;
             // If this is an HTTP link, we try go get the page to extract the title (otherwise we will to straight to the edit form.)
             if (empty($title) && parse_url($url,PHP_URL_SCHEME)=='http')
@@ -1567,7 +1599,7 @@ function renderPage()
  					 {
                         // Look for charset in html header.
  						preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
- 
+
  						// If found, extract encoding.
  						if (!empty($meta[0]))
  						{
@@ -1577,7 +1609,7 @@ function renderPage()
 							$html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8';
  						}
  						else { $html_charset = 'utf-8'; }
- 
+
  						// Extract title
  						$title = html_extract_title($data);
  						if (!empty($title))
@@ -1587,7 +1619,11 @@ function renderPage()
  						}
  					}
             }
-            if ($url=='') $url='?'.smallHash($linkdate); // In case of empty URL, this is just a text (with a link that point to itself)
+            if ($url=='') // In case of empty URL, this is just a text (with a link that points to itself)
+            {
+                $url='?'.smallHash($linkdate);
+                $title='Note: ';
+            }
             $link = array('linkdate'=>$linkdate,'title'=>$title,'url'=>$url,'description'=>$description,'tags'=>$tags,'private'=>$private);
         }
 
@@ -1887,13 +1923,13 @@ function computeThumbnail($url,$href=false)
     if ($domain=='youtube.com' || $domain=='www.youtube.com')
     {
         parse_str(parse_url($url,PHP_URL_QUERY), $params); // Extract video ID and get thumbnail
-        if (!empty($params['v'])) return array('src'=>'http://img.youtube.com/vi/'.$params['v'].'/default.jpg',
+        if (!empty($params['v'])) return array('src'=>'https://img.youtube.com/vi/'.$params['v'].'/default.jpg',
                                                'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail');
     }
     if ($domain=='youtu.be') // Youtube short links
     {
         $path = parse_url($url,PHP_URL_PATH);
-        return array('src'=>'http://img.youtube.com/vi'.$path.'/default.jpg',
+        return array('src'=>'https://img.youtube.com/vi'.$path.'/default.jpg',
                      'href'=>$href,'width'=>'120','height'=>'90','alt'=>'YouTube thumbnail');
     }
     if ($domain=='pix.toile-libre.org') // pix.toile-libre.org image hosting
@@ -1907,18 +1943,18 @@ function computeThumbnail($url,$href=false)
     {
         $path = parse_url($url,PHP_URL_PATH);
         if (startsWith($path,'/a/')) return array(); // Thumbnails for albums are not available.
-        if (startsWith($path,'/r/')) return array('src'=>'http://i.imgur.com/'.basename($path).'s.jpg',
+        if (startsWith($path,'/r/')) return array('src'=>'https://i.imgur.com/'.basename($path).'s.jpg',
                                                   'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
-        if (startsWith($path,'/gallery/')) return array('src'=>'http://i.imgur.com'.substr($path,8).'s.jpg',
+        if (startsWith($path,'/gallery/')) return array('src'=>'https://i.imgur.com'.substr($path,8).'s.jpg',
                                                         'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
 
-        if (substr_count($path,'/')==1) return array('src'=>'http://i.imgur.com/'.substr($path,1).'s.jpg',
+        if (substr_count($path,'/')==1) return array('src'=>'https://i.imgur.com/'.substr($path,1).'s.jpg',
                                                      'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
     }
     if ($domain=='i.imgur.com')
     {
         $pi = pathinfo(parse_url($url,PHP_URL_PATH));
-        if (!empty($pi['filename'])) return array('src'=>'http://i.imgur.com/'.$pi['filename'].'s.jpg',
+        if (!empty($pi['filename'])) return array('src'=>'https://i.imgur.com/'.$pi['filename'].'s.jpg',
                                                   'href'=>$href,'width'=>'90','height'=>'90','alt'=>'imgur.com thumbnail');
     }
     if ($domain=='dailymotion.com' || $domain=='www.dailymotion.com')
@@ -2062,7 +2098,9 @@ function install()
     {   // Step 2: Check if data in session is correct.
         echo '<pre>Sessions do not seem to work correctly on your server.<br>';
         echo 'Make sure the variable session.save_path is set correctly in your php config, and that you have write access to it.<br>';
-        echo 'It currently points to '.session_save_path().'<br><br><a href="?">Click to try again.</a></pre>';
+        echo 'It currently points to '.session_save_path().'<br>';
+        echo 'Check that the hostname used to access Shaarli contains a dot. On some browsers, accessing your server via a hostname like \'localhost\' or any custom hostname without a dot causes cookie storage to fail. We recommend accessing your server via it\'s IP address or Fully Qualified Domain Name.<br>';
+        echo '<br><a href="?">Click to try again.</a></pre>';
         die;
     }
     if (!isset($_SESSION['session_tested']))
@@ -2349,7 +2387,7 @@ function genThumbnail()
         // This is more complex: we have to perform a HTTP request, then parse the result.
         // Maybe we should deport this to JavaScript ? Example: http://stackoverflow.com/questions/1361149/get-img-thumbnails-from-vimeo/4285098#4285098
         $vid = substr(parse_url($url,PHP_URL_PATH),1);
-        list($httpstatus,$headers,$data) = getHTTP('http://vimeo.com/api/v2/video/'.htmlspecialchars($vid).'.php',5);
+        list($httpstatus,$headers,$data) = getHTTP('https://vimeo.com/api/v2/video/'.htmlspecialchars($vid).'.php',5);
         if (strpos($httpstatus,'200 OK')!==false)
         {
             $t = unserialize($data);