Merge pull request #3944 from shtrom/always-hash-exists-url

Always hash exists url

src/Wallabag/CoreBundle/Command/GenerateUrlHashesCommand.php

@@ -7,6 +7,7 @@ use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
+use Wallabag\CoreBundle\Helper\UrlHasher;
 use Wallabag\UserBundle\Entity\User;
 
 class GenerateUrlHashesCommand extends ContainerAwareCommand
@@ -65,7 +66,7 @@ class GenerateUrlHashesCommand extends ContainerAwareCommand
 
         $i = 1;
         foreach ($entries as $entry) {
-            $entry->setHashedUrl(hash('sha1', $entry->getUrl()));
+            $entry->setHashedUrl(UrlHasher::hashUrl($entry->getUrl()));
             $em->persist($entry);
 
             if (0 === ($i % 20)) {
@@ -84,7 +85,7 @@ class GenerateUrlHashesCommand extends ContainerAwareCommand
      *
      * @param string $username
      *
-     * @return \Wallabag\UserBundle\Entity\User
+     * @return User
      */
     private function getUser($username)
     {

src/Wallabag/CoreBundle/Entity/Entry.php

@@ -13,6 +13,7 @@ use JMS\Serializer\Annotation\XmlRoot;
 use Symfony\Component\Validator\Constraints as Assert;
 use Wallabag\AnnotationBundle\Entity\Annotation;
 use Wallabag\CoreBundle\Helper\EntityTimestampsTrait;
+use Wallabag\CoreBundle\Helper\UrlHasher;
 use Wallabag\UserBundle\Entity\User;
 
 /**
@@ -324,7 +325,7 @@ class Entry
     public function setUrl($url)
     {
         $this->url = $url;
-        $this->hashedUrl = hash('sha1', $url);
+        $this->hashedUrl = UrlHasher::hashUrl($url);
 
         return $this;
     }

src/Wallabag/CoreBundle/Helper/UrlHasher.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Wallabag\CoreBundle\Helper;
+
+/**
+ * Hash URLs for privacy and performance.
+ */
+class UrlHasher
+{
+    /**
+     * Hash the given url using the given algorithm.
+     * Hashed url are faster to be retrieved in the database than the real url.
+     *
+     * @param string $url
+     * @param string $algorithm
+     *
+     * @return string
+     */
+    public static function hashUrl(string $url, $algorithm = 'sha1')
+    {
+        return hash($algorithm, urldecode($url));
+    }
+}

src/Wallabag/CoreBundle/Repository/EntryRepository.php

@@ -9,6 +9,7 @@ use Pagerfanta\Adapter\DoctrineORMAdapter;
 use Pagerfanta\Pagerfanta;
 use Wallabag\CoreBundle\Entity\Entry;
 use Wallabag\CoreBundle\Entity\Tag;
+use Wallabag\CoreBundle\Helper\UrlHasher;
 
 class EntryRepository extends EntityRepository
 {
@@ -348,17 +349,10 @@ class EntryRepository extends EntityRepository
      */
     public function findByUrlAndUserId($url, $userId)
     {
-        $res = $this->createQueryBuilder('e')
-            ->where('e.url = :url')->setParameter('url', urldecode($url))
-            ->andWhere('e.user = :user_id')->setParameter('user_id', $userId)
-            ->getQuery()
-            ->getResult();
-
-        if (\count($res)) {
-            return current($res);
-        }
-
-        return false;
+        return $this->findByHashedUrlAndUserId(
+            UrlHasher::hashUrl($url),
+            $userId
+        );
     }
 
     /**