Fix comparisons in the sharing app

Signed-off-by: Joas Schilling <coding@schilljs.com>

apps/files_sharing/lib/Controller/ShareController.php

@@ -514,7 +514,7 @@ class ShareController extends Controller {
 
 		$this->emitAccessShareHook($share);
 
-		$server_params = array( 'head' => $this->request->getMethod() == 'HEAD' );
+		$server_params = array( 'head' => $this->request->getMethod() === 'HEAD' );
 
 		/**
 		 * Http range requests support

apps/files_sharing/lib/Helper.php

@@ -132,7 +132,7 @@ class Helper {
 		Filesystem::initMountPoints($owner);
 		$info = Filesystem::getFileInfo($target);
 		$ownerView = new View('/'.$owner.'/files');
-		if ( $owner != User::getUser() ) {
+		if ( $owner !== User::getUser() ) {
 			$path = $ownerView->getPath($info['fileid']);
 		} else {
 			$path = $target;
@@ -183,7 +183,7 @@ class Helper {
 			$uid = User::getUser();
 		}
 		Filesystem::initMountPoints($uid);
-		if ( $uid != User::getUser() ) {
+		if ( $uid !== User::getUser() ) {
 			$info = Filesystem::getFileInfo($filename);
 			$ownerView = new View('/'.$uid.'/files');
 			try {

apps/files_sharing/lib/ShareBackend/File.php

@@ -123,7 +123,7 @@ class File implements \OCP\Share_Backend_File_Dependent {
 	}
 
 	public function formatItems($items, $format, $parameters = null) {
-		if ($format == self::FORMAT_SHARED_STORAGE) {
+		if ($format === self::FORMAT_SHARED_STORAGE) {
 			// Only 1 item should come through for this format call
 			$item = array_shift($items);
 			return array(
@@ -133,7 +133,7 @@ class File implements \OCP\Share_Backend_File_Dependent {
 				'permissions' => $item['permissions'],
 				'uid_owner' => $item['uid_owner'],
 			);
-		} else if ($format == self::FORMAT_GET_FOLDER_CONTENTS) {
+		} else if ($format === self::FORMAT_GET_FOLDER_CONTENTS) {
 			$files = array();
 			foreach ($items as $item) {
 				$file = array();
@@ -156,13 +156,13 @@ class File implements \OCP\Share_Backend_File_Dependent {
 				$files[] = $file;
 			}
 			return $files;
-		} else if ($format == self::FORMAT_OPENDIR) {
+		} else if ($format === self::FORMAT_OPENDIR) {
 			$files = array();
 			foreach ($items as $item) {
 				$files[] = basename($item['file_target']);
 			}
 			return $files;
-		} else if ($format == self::FORMAT_GET_ALL) {
+		} else if ($format === self::FORMAT_GET_ALL) {
 			$ids = array();
 			foreach ($items as $item) {
 				$ids[] = $item['file_source'];

apps/files_sharing/lib/ShareBackend/Folder.php

@@ -83,7 +83,7 @@ class Folder extends File implements \OCP\Share_Backend_Collection {
 		$query = \OCP\DB::prepare('SELECT `id` FROM `*PREFIX*mimetypes` WHERE `mimetype` = ?');
 		$result = $query->execute(array('httpd/unix-directory'));
 		if ($row = $result->fetchRow()) {
-			$mimetype = $row['id'];
+			$mimetype = (int) $row['id'];
 		} else {
 			$mimetype = -1;
 		}
@@ -96,7 +96,7 @@ class Folder extends File implements \OCP\Share_Backend_Collection {
 			while ($file = $result->fetchRow()) {
 				$children[] = array('source' => $file['fileid'], 'file_path' => $file['name']);
 				// If a child folder is found look inside it
-				if ($file['mimetype'] == $mimetype) {
+				if ((int) $file['mimetype'] === $mimetype) {
 					$parents[] = $file['fileid'];
 				}
 			}

apps/files_sharing/templates/public.php

@@ -75,7 +75,7 @@ $maxUploadFilesize = min($upload_max_filesize, $post_max_size);
 			<?php if (isset($_['folder'])): ?>
 				<?php print_unescaped($_['folder']); ?>
 			<?php else: ?>
-				<?php if ($_['previewEnabled'] && substr($_['mimetype'], 0, strpos($_['mimetype'], '/')) == 'video'): ?>
+				<?php if ($_['previewEnabled'] && substr($_['mimetype'], 0, strpos($_['mimetype'], '/')) === 'video'): ?>
 					<div id="imgframe">
 						<video tabindex="0" controls="" preload="none" style="max-width: <?php p($_['previewMaxX']); ?>px; max-height: <?php p($_['previewMaxY']); ?>px">
 							<source src="<?php p($_['downloadURL']); ?>" type="<?php p($_['mimetype']); ?>" />