X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=inc%2Ffunctions.php;h=68c3612f1952628d154ca14cb1e4ad16d4344747;hb=07a192525d19bcafc11bc68d62c30d2d4846faee;hp=0b9eb93697f291150e21d2669b6e05d30946f9cf;hpb=3c8d80aec5f5ba15910014bb4dcb48e948041ec9;p=github%2Fwallabag%2Fwallabag.git

diff --git a/inc/functions.php b/inc/functions.php
old mode 100755
new mode 100644
index 0b9eb936..68c3612f
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -3,7 +3,7 @@
 /**
  * Permet de générer l'URL de poche pour le bookmarklet
  */
-function url()
+function get_poche_url()
 {
     $protocol = "http";
     if(isset($_SERVER['HTTPS'])) {
@@ -15,32 +15,10 @@ function url()
     return $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
 }
 
-/**
- * Génération de la page "vue d'un article"
- */
-function generate_page($entry)
-{
-    raintpl::$tpl_dir = './tpl/';
-    raintpl::$cache_dir = "./cache/";
-    raintpl::$base_url = url();
-    raintpl::configure( 'path_replace', false );
-    raintpl::configure('debug', false);
-
-    $tpl = new raintpl();
-
-    $tpl->assign("id", $entry['id']);
-    $tpl->assign("url", $entry['url']);
-    $tpl->assign("title", $entry['title']);
-    $tpl->assign("content", $entry['content']);
-    $tpl->assign("is_fav", $entry['is_fav']);
-    $tpl->assign("is_read", $entry['is_read']);
-
-    $tpl->draw( "index");
-}
-
 // function define to retrieve url content
-function get_external_file($url, $timeout)
+function get_external_file($url)
 {
+    $timeout = 15;
     // spoofing FireFox 18.0
     $useragent="Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0";
 
@@ -68,14 +46,10 @@ function get_external_file($url, $timeout)
     } else {
 
         // create http context and add timeout and user-agent
-        $context = stream_context_create(array('http'=>array('timeout' => $timeout, // Timeout : time until we stop waiting for the response.
-                                                                                    'header'=> "User-Agent: ".$useragent, // spoot Mozilla Firefox
-                                                                                    'follow_location' => true
-                                                        )));
+        $context = stream_context_create(array('http'=>array('timeout' => $timeout,'header'=> "User-Agent: ".$useragent,/*spoot Mozilla Firefox*/'follow_location' => true)));
 
         // only download page lesser than 4MB
         $data = @file_get_contents($url, false, $context, -1, 4000000); // We download at most 4 MB from source.
-        //  echo "<pre>http_response_header : ".print_r($http_response_header);
 
         if(isset($http_response_header) and isset($http_response_header[0])) {
             $httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE));
@@ -111,7 +85,10 @@ function get_external_file($url, $timeout)
     }
 }
 
-function prepare_url($url)
+/**
+ * Préparation de l'URL avec récupération du contenu avant insertion en base
+ */
+function prepare_url($url, $id)
 {
     $parametres = array();
     $url    = html_entity_decode(trim($url));
@@ -130,14 +107,308 @@ function prepare_url($url)
     if (isset($html) and strlen($html) > 0)
     {
         $r = new Readability($html, $url);
+        $r->convertLinksToFootnotes = TRUE;
         if($r->init())
         {
-            $title = $r->articleTitle->innerHTML;
+            $content = $r->articleContent->innerHTML;
+            $parametres['title'] = $r->articleTitle->innerHTML;
+            $parametres['content'] = filtre_picture($content, $url, $id);
+            return $parametres;
+        }
+    }
+
+    logm('error during url preparation');
+    return FALSE;
+}
+
+/**
+ * On modifie les URLS des images dans le corps de l'article
+ */
+function filtre_picture($content, $url, $id)
+{
+    $matches = array();
+    preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER);
+    foreach($matches as $i => $link)
+    {
+        $link[1] = trim($link[1]);
+        if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1]) )
+        {
+            $absolute_path = get_absolute_link($link[2],$url);
+            $filename = basename(parse_url($absolute_path, PHP_URL_PATH));
+            $directory = create_assets_directory($id);
+            $fullpath = $directory . '/' . $filename;
+            download_pictures($absolute_path, $fullpath);
+            $content = str_replace($matches[$i][2], $fullpath, $content);
         }
+
     }
 
-    $parametres['title']    = $title;
-    $parametres['content']  = $r->articleContent->innerHTML;
+    return $content;
+}
+
+/**
+ * Retourne le lien absolu
+ */
+function get_absolute_link($relative_link, $url)
+{
+    /* return if already absolute URL */
+    if (parse_url($relative_link, PHP_URL_SCHEME) != '') return $relative_link;
 
-    return $parametres;
+    /* queries and anchors */
+    if ($relative_link[0]=='#' || $relative_link[0]=='?') return $url . $relative_link;
+
+    /* parse base URL and convert to local variables:
+       $scheme, $host, $path */
+    extract(parse_url($url));
+
+    /* remove non-directory element from path */
+    $path = preg_replace('#/[^/]*$#', '', $path);
+
+    /* destroy path if relative url points to root */
+    if ($relative_link[0] == '/') $path = '';
+
+    /* dirty absolute URL */
+    $abs = $host . $path . '/' . $relative_link;
+
+    /* replace '//' or '/./' or '/foo/../' with '/' */
+    $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#');
+    for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {}
+
+    /* absolute URL is ready! */
+    return $scheme.'://'.$abs;
+}
+
+/**
+ * Téléchargement des images
+ */
+
+function download_pictures($absolute_path, $fullpath)
+{
+    $rawdata = get_external_file($absolute_path);
+
+    if(file_exists($fullpath)) {
+        unlink($fullpath);
+    }
+    $fp = fopen($fullpath, 'x');
+    fwrite($fp, $rawdata);
+    fclose($fp);
+}
+
+/**
+ * Crée un répertoire de médias pour l'article
+ */
+function create_assets_directory($id)
+{
+    $assets_path = ABS_PATH;
+    if(!is_dir($assets_path)) {
+        mkdir($assets_path, 0705);
+    }
+
+    $article_directory = $assets_path . $id;
+    if(!is_dir($article_directory)) {
+        mkdir($article_directory, 0705);
+    }
+
+    return $article_directory;
+}
+
+/**
+ * Suppression du répertoire d'images
+ */
+function remove_directory($directory)
+{
+    if(is_dir($directory)) {
+        $files = array_diff(scandir($directory), array('.','..'));
+        foreach ($files as $file) {
+            (is_dir("$directory/$file")) ? remove_directory("$directory/$file") : unlink("$directory/$file");
+        }
+        return rmdir($directory);
+    }
+}
+
+/**
+ * Appel d'une action (mark as fav, archive, delete)
+ */
+
+function action_to_do($action, $id, $url, $token)
+{
+    global $db;
+
+    switch ($action)
+    {
+        case 'add':
+            if ($url == '')
+                continue;
+
+            $req = $db->getHandle()->query("SELECT id FROM entries ORDER BY id DESC");
+            $id = $req->fetchColumn()+1;
+
+            if($parametres_url = prepare_url($url, $id)) {
+                $sql_action     = 'INSERT INTO entries ( id, url, title, content ) VALUES (?,?, ?, ?)';
+                $params_action  = array($id,$url, $parametres_url['title'], $parametres_url['content']);
+            }
+
+            logm('add link ' . $url);
+            break;
+        case 'delete':
+            if (verif_token($token)) {
+                remove_directory(ABS_PATH . $id);
+                $sql_action     = "DELETE FROM entries WHERE id=?";
+                $params_action  = array($id);
+                logm('delete link #' . $id);
+            }
+            else logm('csrf problem while deleting entry');
+            break;
+        case 'toggle_fav' :
+            if (verif_token($token)) {
+                $sql_action     = "UPDATE entries SET is_fav=~is_fav WHERE id=?";
+                $params_action  = array($id);
+                logm('mark as favorite link #' . $id);
+            }
+            else logm('csrf problem while fav entry');
+            break;
+        case 'toggle_archive' :
+            if (verif_token($token)) {
+                $sql_action     = "UPDATE entries SET is_read=~is_read WHERE id=?";
+                $params_action  = array($id);
+                logm('archive link #' . $id);
+            }
+            else logm('csrf problem while archive entry');
+            break;
+        default:
+            break;
+    }
+
+    try
+    {
+        # action query
+        if (isset($sql_action))
+        {
+            $query = $db->getHandle()->prepare($sql_action);
+            $query->execute($params_action);
+        }
+    }
+    catch (Exception $e)
+    {
+        logm('action query error : '.$e->getMessage());
+    }
+}
+
+/**
+ * Détermine quels liens afficher : home, fav ou archives
+ */
+function display_view($view)
+{
+    global $db;
+
+    switch ($_SESSION['sort'])
+    {
+        case 'ia':
+            $order = 'ORDER BY id';
+            break;
+        case 'id':
+            $order = 'ORDER BY id DESC';
+            break;
+        case 'ta':
+            $order = 'ORDER BY lower(title)';
+            break;
+        case 'td':
+            $order = 'ORDER BY lower(title) DESC';
+            break;
+        default:
+            $order = 'ORDER BY id';
+            break;
+    }
+
+    switch ($view)
+    {
+        case 'archive':
+            $sql    = "SELECT * FROM entries WHERE is_read=? " . $order;
+            $params = array(-1);
+            break;
+        case 'fav' :
+            $sql    = "SELECT * FROM entries WHERE is_fav=? " . $order;
+            $params = array(-1);
+            break;
+        default:
+            $sql    = "SELECT * FROM entries WHERE is_read=? " . $order;
+            $params = array(0);
+            break;
+    }
+
+    # view query
+    try
+    {
+        $query  = $db->getHandle()->prepare($sql);
+        $query->execute($params);
+        $entries = $query->fetchAll();
+    }
+    catch (Exception $e)
+    {
+        logm('view query error : '.$e->getMessage());
+    }
+
+    return $entries;
+}
+
+/**
+ * Récupère un article en fonction d'un ID
+ */
+function get_article($id)
+{
+    global $db;
+
+    $entry  = NULL;
+    $sql    = "SELECT * FROM entries WHERE id=?";
+    $params = array(intval($id));
+
+    # view article query
+    try
+    {
+        $query  = $db->getHandle()->prepare($sql);
+        $query->execute($params);
+        $entry = $query->fetchAll();
+    }
+    catch (Exception $e)
+    {
+        logm('get article query error : '.$e->getMessage());
+    }
+
+    return $entry;
+}
+
+/**
+ * Vérifie si le jeton passé en $_POST correspond à celui en session
+ */
+function verif_token($token)
+{
+    if(isset($_SESSION['token_poche']) && isset($_SESSION['token_time_poche']) && isset($token))
+    {
+        if($_SESSION['token_poche'] == $token)
+        {
+            $old_timestamp = time() - (15*60);
+            if($_SESSION['token_time_poche'] >= $old_timestamp)
+            {
+                return TRUE;
+            }
+            else {
+                session_destroy();
+                logm('session expired');
+            }
+        }
+        else {
+            logm('token error : the token is different');
+            return FALSE;
+        }
+    }
+    else {
+        logm('token error : the token is not here');
+        return FALSE;
+    }
+}
+
+function logm($message)
+{
+    $t = strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n";
+    file_put_contents('./log.txt',$t,FILE_APPEND);
 }
\ No newline at end of file