Make max download size and timeout configurable

Fixes #1061

application/Updater.php

@@ -457,6 +457,32 @@ public function updateMethodVisibilitySession()
         }
         return true;
     }
+
+    /**
+     * Add download size and timeout to the configuration file
+     *
+     * @return bool true if the update is successful, false otherwise.
+     */
+    public function updateMethodDownloadSizeAndTimeoutConf()
+    {
+        if ($this->conf->exists('general.download_max_size')
+            && $this->conf->exists('general.download_timeout')
+        ) {
+            return true;
+        }
+
+        if (! $this->conf->exists('general.download_max_size')) {
+            $this->conf->set('general.download_max_size', 1024*1024*4);
+        }
+
+        if (! $this->conf->exists('general.download_timeout')) {
+            $this->conf->set('general.download_timeout', 30);
+        }
+
+        $this->conf->write($this->isLoggedIn);
+
+        return true;
+    }
 }
 
 /**

index.php

@@ -1376,7 +1376,12 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager,
             if (empty($title) && strpos(get_url_scheme($url), 'http') !== false) {
                 // Short timeout to keep the application responsive
                 // The callback will fill $charset and $title with data from the downloaded page.
-                get_http_response($url, 25, 4194304, get_curl_download_callback($charset, $title));
+                get_http_response(
+                    $url,
+                    $conf->get('general.download_max_size', 4194304),
+                    $conf->get('general.download_timeout', 30),
+                    get_curl_download_callback($charset, $title)
+                );
                 if (! empty($title) && strtolower($charset) != 'utf-8') {
                     $title = mb_convert_encoding($title, 'utf-8', $charset);
                 }

tests/Updater/UpdaterTest.php

@@ -620,4 +620,68 @@ public function testUpdateMethodAtomDefaultAlreadyTrue()
         $this->assertTrue($updater->updateMethodAtomDefault());
         $this->assertTrue($this->conf->get('feed.show_atom'));
     }
+
+    /**
+     * Test updateMethodDownloadSizeAndTimeoutConf, it should be set if none is already defined.
+     */
+    public function testUpdateMethodDownloadSizeAndTimeoutConf()
+    {
+        $sandboxConf = 'sandbox/config';
+        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
+        $this->conf = new ConfigManager($sandboxConf);
+        $updater = new Updater([], [], $this->conf, true);
+        $this->assertTrue($updater->updateMethodDownloadSizeAndTimeoutConf());
+        $this->assertEquals(4194304, $this->conf->get('general.download_max_size'));
+        $this->assertEquals(30, $this->conf->get('general.download_timeout'));
+
+        $this->conf = new ConfigManager($sandboxConf);
+        $this->assertEquals(4194304, $this->conf->get('general.download_max_size'));
+        $this->assertEquals(30, $this->conf->get('general.download_timeout'));
+    }
+
+    /**
+     * Test updateMethodDownloadSizeAndTimeoutConf, it shouldn't be set if it is already defined.
+     */
+    public function testUpdateMethodDownloadSizeAndTimeoutConfIgnore()
+    {
+        $sandboxConf = 'sandbox/config';
+        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
+        $this->conf = new ConfigManager($sandboxConf);
+        $this->conf->set('general.download_max_size', 38);
+        $this->conf->set('general.download_timeout', 70);
+        $updater = new Updater([], [], $this->conf, true);
+        $this->assertTrue($updater->updateMethodDownloadSizeAndTimeoutConf());
+        $this->assertEquals(38, $this->conf->get('general.download_max_size'));
+        $this->assertEquals(70, $this->conf->get('general.download_timeout'));
+    }
+
+    /**
+     * Test updateMethodDownloadSizeAndTimeoutConf, only the maz size should be set here.
+     */
+    public function testUpdateMethodDownloadSizeAndTimeoutConfOnlySize()
+    {
+        $sandboxConf = 'sandbox/config';
+        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
+        $this->conf = new ConfigManager($sandboxConf);
+        $this->conf->set('general.download_max_size', 38);
+        $updater = new Updater([], [], $this->conf, true);
+        $this->assertTrue($updater->updateMethodDownloadSizeAndTimeoutConf());
+        $this->assertEquals(38, $this->conf->get('general.download_max_size'));
+        $this->assertEquals(30, $this->conf->get('general.download_timeout'));
+    }
+
+    /**
+     * Test updateMethodDownloadSizeAndTimeoutConf, only the time out should be set here.
+     */
+    public function testUpdateMethodDownloadSizeAndTimeoutConfOnlyTimeout()
+    {
+        $sandboxConf = 'sandbox/config';
+        copy(self::$configFile . '.json.php', $sandboxConf . '.json.php');
+        $this->conf = new ConfigManager($sandboxConf);
+        $this->conf->set('general.download_timeout', 3);
+        $updater = new Updater([], [], $this->conf, true);
+        $this->assertTrue($updater->updateMethodDownloadSizeAndTimeoutConf());
+        $this->assertEquals(4194304, $this->conf->get('general.download_max_size'));
+        $this->assertEquals(3, $this->conf->get('general.download_timeout'));
+    }
 }