Fix escaped HTML on error pages

* fixes #4655

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

lib/base.php

@@ -246,9 +246,8 @@ class OC {
 			} else {
 				OC_Template::printErrorPage(
 					$l->t('Cannot write into "config" directory!'),
-					$l->t('This can usually be fixed by '
-					. '%sgiving the webserver write access to the config directory%s.',
-					 array('<a href="' . $urlGenerator->linkToDocs('admin-dir_permissions') . '" target="_blank" rel="noreferrer">', '</a>'))
+					$l->t('This can usually be fixed by giving the webserver write access to the config directory. See %s',
+					 [ $urlGenerator->linkToDocs('admin-dir_permissions') ])
 				);
 			}
 		}

lib/private/Config.php

@@ -249,8 +249,7 @@ class Config {
 			$url = \OC::$server->getURLGenerator()->linkToDocs('admin-dir_permissions');
 			throw new HintException(
 				"Can't write into config directory!",
-				'This can usually be fixed by '
-				.'<a href="' . $url . '" target="_blank" rel="noreferrer">giving the webserver write access to the config directory</a>.');
+				'This can usually be fixed by giving the webserver write access to the config directory. See ' . $url);
 		}
 
 		// Try to acquire a file lock

lib/private/legacy/util.php

@@ -669,9 +669,8 @@ class OC_Util {
 			if (!is_writable(OC::$configDir) or !is_readable(OC::$configDir)) {
 				$errors[] = array(
 					'error' => $l->t('Cannot write into "config" directory'),
-					'hint' => $l->t('This can usually be fixed by '
-						. '%sgiving the webserver write access to the config directory%s.',
-						array('<a href="' . $urlGenerator->linkToDocs('admin-dir_permissions') . '" target="_blank" rel="noreferrer">', '</a>'))
+					'hint' => $l->t('This can usually be fixed by giving the webserver write access to the config directory. See %s',
+						[$urlGenerator->linkToDocs('admin-dir_permissions')])
 				);
 			}
 		}
@@ -684,10 +683,9 @@ class OC_Util {
 			) {
 				$errors[] = array(
 					'error' => $l->t('Cannot write into "apps" directory'),
-					'hint' => $l->t('This can usually be fixed by '
-						. '%sgiving the webserver write access to the apps directory%s'
-						. ' or disabling the appstore in the config file.',
-						array('<a href="' . $urlGenerator->linkToDocs('admin-dir_permissions') . '" target="_blank" rel="noreferrer">', '</a>'))
+					'hint' => $l->t('This can usually be fixed by giving the webserver write access to the apps directory'
+						. ' or disabling the appstore in the config file. See %s',
+						[$urlGenerator->linkToDocs('admin-dir_permissions')])
 				);
 			}
 		}
@@ -700,16 +698,14 @@ class OC_Util {
 				} else {
 					$errors[] = [
 						'error' => $l->t('Cannot create "data" directory'),
-						'hint' => $l->t('This can usually be fixed by '
-							. '<a href="%s" target="_blank" rel="noreferrer">giving the webserver write access to the root directory</a>.',
+						'hint' => $l->t('This can usually be fixed by giving the webserver write access to the root directory. See %s',
 							[$urlGenerator->linkToDocs('admin-dir_permissions')])
 					];
 				}
 			} else if (!is_writable($CONFIG_DATADIRECTORY) or !is_readable($CONFIG_DATADIRECTORY)) {
 				//common hint for all file permissions error messages
-				$permissionsHint = $l->t('Permissions can usually be fixed by '
-					. '%sgiving the webserver write access to the root directory%s.',
-					['<a href="' . $urlGenerator->linkToDocs('admin-dir_permissions') . '" target="_blank" rel="noreferrer">', '</a>']);
+				$permissionsHint = $l->t('Permissions can usually be fixed by giving the webserver write access to the root directory. See %.',
+					[$urlGenerator->linkToDocs('admin-dir_permissions')]);
 				$errors[] = [
 					'error' => 'Your data directory is not writable',
 					'hint' => $permissionsHint