Refactors "strpos" calls in /apps/dav

apps/dav/appinfo/v1/webdav.php

@@ -31,7 +31,7 @@
 use Psr\Log\LoggerInterface;
 
 // no php execution timeout for webdav
-if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+if (!str_contains(@ini_get('disable_functions'), 'set_time_limit')) {
 	@set_time_limit(0);
 }
 ignore_user_abort(true);

apps/dav/appinfo/v2/direct.php

@@ -27,7 +27,7 @@
 use \OCA\DAV\Direct\ServerFactory;
 
 // no php execution timeout for webdav
-if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+if (!str_contains(@ini_get('disable_functions'), 'set_time_limit')) {
 	@set_time_limit(0);
 }
 ignore_user_abort(true);

apps/dav/appinfo/v2/remote.php

@@ -22,7 +22,7 @@
  *
  */
 // no php execution timeout for webdav
-if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+if (!str_contains(@ini_get('disable_functions'), 'set_time_limit')) {
 	@set_time_limit(0);
 }
 ignore_user_abort(true);

apps/dav/lib/CalDAV/Activity/Backend.php

@@ -455,9 +455,9 @@ public function onTouchCalendarObject($action, array $calendarData, array $share
 
 		$action = $action . '_' . $object['type'];
 
-		if ($object['type'] === 'todo' && strpos($action, Event::SUBJECT_OBJECT_UPDATE) === 0 && $object['status'] === 'COMPLETED') {
+		if ($object['type'] === 'todo' && str_starts_with($action, Event::SUBJECT_OBJECT_UPDATE) && $object['status'] === 'COMPLETED') {
 			$action .= '_completed';
-		} elseif ($object['type'] === 'todo' && strpos($action, Event::SUBJECT_OBJECT_UPDATE) === 0 && $object['status'] === 'NEEDS-ACTION') {
+		} elseif ($object['type'] === 'todo' && str_starts_with($action, Event::SUBJECT_OBJECT_UPDATE) && $object['status'] === 'NEEDS-ACTION') {
 			$action .= '_needs_action';
 		}
 
@@ -491,7 +491,7 @@ public function onTouchCalendarObject($action, array $calendarData, array $share
 				],
 			];
 
-			if ($object['type'] === 'event' && strpos($action, Event::SUBJECT_OBJECT_DELETE) === false && $this->appManager->isEnabledForUser('calendar')) {
+			if ($object['type'] === 'event' && !str_contains($action, Event::SUBJECT_OBJECT_DELETE) && $this->appManager->isEnabledForUser('calendar')) {
 				$params['object']['link']['object_uri'] = $objectData['uri'];
 				$params['object']['link']['calendar_uri'] = $calendarData['uri'];
 				$params['object']['link']['owner'] = $owner;

apps/dav/lib/CalDAV/Integration/ExternalCalendar.php

@@ -98,7 +98,7 @@ final public function createDirectory($name) {
 	 * @return bool
 	 */
 	public static function isAppGeneratedCalendar(string $calendarUri):bool {
-		return strpos($calendarUri, self::PREFIX) === 0 && substr_count($calendarUri, self::DELIMITER) >= 2;
+		return str_starts_with($calendarUri, self::PREFIX) && substr_count($calendarUri, self::DELIMITER) >= 2;
 	}
 
 	/**
@@ -126,6 +126,6 @@ public static function splitAppGeneratedCalendarUri(string $calendarUri):array {
 	 * @return bool
 	 */
 	public static function doesViolateReservedName(string $calendarUri):bool {
-		return strpos($calendarUri, self::PREFIX) === 0;
+		return str_starts_with($calendarUri, self::PREFIX);
 	}
 }

apps/dav/lib/CalDAV/Publishing/PublishPlugin.php

@@ -155,8 +155,8 @@ public function httpPost(RequestInterface $request, ResponseInterface $response)
 		$path = $request->getPath();
 
 		// Only handling xml
-		$contentType = $request->getHeader('Content-Type');
-		if (strpos($contentType, 'application/xml') === false && strpos($contentType, 'text/xml') === false) {
+		$contentType = (string) $request->getHeader('Content-Type');
+		if (!str_contains($contentType, 'application/xml') && !str_contains($contentType, 'text/xml')) {
 			return;
 		}
 

apps/dav/lib/CalDAV/ResourceBooking/AbstractPrincipalBackend.php

@@ -160,7 +160,7 @@ public function getPrincipalsByPrefix($prefixPath): array {
 	 * @return array
 	 */
 	public function getPrincipalByPath($path) {
-		if (strpos($path, $this->principalPrefix) !== 0) {
+		if (!str_starts_with($path, $this->principalPrefix)) {
 			return null;
 		}
 		[, $name] = \Sabre\Uri\split($path);
@@ -443,7 +443,7 @@ public function findByUri($uri, $principalPrefix): ?string {
 		}
 		$usersGroups = $this->groupManager->getUserGroupIds($user);
 
-		if (strpos($uri, 'mailto:') === 0) {
+		if (str_starts_with($uri, 'mailto:')) {
 			$email = substr($uri, 7);
 			$query = $this->db->getQueryBuilder();
 			$query->select(['id', 'backend_id', 'resource_id', 'email', 'displayname', 'group_restrictions'])
@@ -463,9 +463,9 @@ public function findByUri($uri, $principalPrefix): ?string {
 			return $this->rowToPrincipal($row)['uri'];
 		}
 
-		if (strpos($uri, 'principal:') === 0) {
+		if (str_starts_with($uri, 'principal:')) {
 			$path = substr($uri, 10);
-			if (strpos($path, $this->principalPrefix) !== 0) {
+			if (!str_starts_with($path, $this->principalPrefix)) {
 				return null;
 			}
 

apps/dav/lib/CalDAV/Schedule/Plugin.php

@@ -310,10 +310,10 @@ public function propFindDefaultCalendarUrl(PropFind $propFind, INode $node) {
 					return null;
 				}
 
-				$isResourceOrRoom = strpos($principalUrl, 'principals/calendar-resources') === 0 ||
-					strpos($principalUrl, 'principals/calendar-rooms') === 0;
+				$isResourceOrRoom = str_starts_with($principalUrl, 'principals/calendar-resources') ||
+					str_starts_with($principalUrl, 'principals/calendar-rooms');
 
-				if (strpos($principalUrl, 'principals/users') === 0) {
+				if (str_starts_with($principalUrl, 'principals/users')) {
 					[, $userId] = split($principalUrl);
 					$uri = $this->config->getUserValue($userId, 'dav', 'defaultCalendar', CalDavBackend::PERSONAL_CALENDAR_URI);
 					$displayName = CalDavBackend::PERSONAL_CALENDAR_NAME;

apps/dav/lib/CardDAV/CardDavBackend.php

@@ -1013,7 +1013,7 @@ private function readBlob($cardData, &$modified = false) {
 
 		// Micro optimisation
 		// don't loop through
-		if (strpos($cardData, 'PHOTO:data:') === 0) {
+		if (str_starts_with($cardData, 'PHOTO:data:')) {
 			return $cardData;
 		}
 
@@ -1022,16 +1022,16 @@ private function readBlob($cardData, &$modified = false) {
 		$cardDataFiltered = [];
 		$removingPhoto = false;
 		foreach ($cardDataArray as $line) {
-			if (strpos($line, 'PHOTO:data:') === 0
-				&& strpos($line, 'PHOTO:data:image/') !== 0) {
+			if (str_starts_with($line, 'PHOTO:data:')
+				&& !str_starts_with($line, 'PHOTO:data:image/')) {
 				// Filter out PHOTO data of non-images
 				$removingPhoto = true;
 				$modified = true;
 				continue;
 			}
 
 			if ($removingPhoto) {
-				if (strpos($line, ' ') === 0) {
+				if (str_starts_with($line, ' ')) {
 					continue;
 				}
 				// No leading space means this is a new property
@@ -1131,7 +1131,7 @@ private function searchByAddressBookIds(array $addressBookIds,
 		$propertyOr = $query2->expr()->orX();
 		foreach ($searchProperties as $property) {
 			if ($escapePattern) {
-				if ($property === 'EMAIL' && strpos($pattern, ' ') !== false) {
+				if ($property === 'EMAIL' && str_contains($pattern, ' ')) {
 					// There can be no spaces in emails
 					continue;
 				}

apps/dav/lib/CardDAV/HasPhotoPlugin.php

@@ -66,8 +66,8 @@ public function propFind(PropFind $propFind, INode $node) {
 				return $vcard instanceof VCard
 					&& $vcard->PHOTO
 					// Either the PHOTO is a url (doesn't start with data:) or the mimetype has to start with image/
-					&& (strpos($vcard->PHOTO->getValue(), 'data:') !== 0
-						|| strpos($vcard->PHOTO->getValue(), 'data:image/') === 0)
+					&& (!str_starts_with($vcard->PHOTO->getValue(), 'data:')
+						|| str_starts_with($vcard->PHOTO->getValue(), 'data:image/'))
 				;
 			});
 		}

apps/dav/lib/CardDAV/Integration/ExternalAddressBook.php

@@ -91,7 +91,7 @@ final public function createDirectory($name) {
 	 * @return bool
 	 */
 	public static function isAppGeneratedAddressBook(string $uri): bool {
-		return strpos($uri, self::PREFIX) === 0 && substr_count($uri, self::DELIMITER) >= 2;
+		return str_starts_with($uri, self::PREFIX) && substr_count($uri, self::DELIMITER) >= 2;
 	}
 
 	/**
@@ -121,6 +121,6 @@ public static function splitAppGeneratedAddressBookUri(string $uri): array {
 	 * @return bool
 	 */
 	public static function doesViolateReservedName(string $uri): bool {
-		return strpos($uri, self::PREFIX) === 0;
+		return str_starts_with($uri, self::PREFIX);
 	}
 }

apps/dav/lib/CardDAV/MultiGetExportPlugin.php

@@ -61,8 +61,8 @@ public function httpReport(RequestInterface $request, ResponseInterface $respons
 		}
 
 		// Only handling xml
-		$contentType = $response->getHeader('Content-Type');
-		if (strpos($contentType, 'application/xml') === false && strpos($contentType, 'text/xml') === false) {
+		$contentType = (string) $response->getHeader('Content-Type');
+		if (!str_contains($contentType, 'application/xml') && !str_contains($contentType, 'text/xml')) {
 			return;
 		}
 

apps/dav/lib/CardDAV/PhotoCache.php

@@ -264,9 +264,9 @@ private function getBinaryType(Binary $photo) {
 		if (isset($params['TYPE']) || isset($params['MEDIATYPE'])) {
 			/** @var Parameter $typeParam */
 			$typeParam = isset($params['TYPE']) ? $params['TYPE'] : $params['MEDIATYPE'];
-			$type = $typeParam->getValue();
+			$type = (string) $typeParam->getValue();
 
-			if (strpos($type, 'image/') === 0) {
+			if (str_starts_with($type, 'image/')) {
 				return $type;
 			} else {
 				return 'image/' . strtolower($type);

apps/dav/lib/CardDAV/SyncService.php

@@ -157,7 +157,7 @@ protected function getClient(string $url, string $userName, string $sharedSecret
 		$certPath = $this->getCertPath();
 		$client->setThrowExceptions(true);
 
-		if ($certPath !== '' && strpos($url, 'http://') !== 0) {
+		if ($certPath !== '' && !str_starts_with($url, 'http://')) {
 			$client->addCurlSetting(CURLOPT_CAINFO, $this->certPath);
 		}
 

apps/dav/lib/CardDAV/SystemAddressbook.php

@@ -122,7 +122,7 @@ public function getChildren() {
 		$children = parent::getChildren();
 		return array_filter($children, function (Card $child) {
 			// check only for URIs that begin with Guests:
-			return strpos($child->getName(), 'Guests:') !== 0;
+			return !str_starts_with($child->getName(), 'Guests:');
 		});
 	}
 

apps/dav/lib/Comments/CommentNode.php

@@ -79,7 +79,7 @@ public function __construct(
 
 		$methods = get_class_methods($this->comment);
 		$methods = array_filter($methods, function ($name) {
-			return strpos($name, 'get') === 0;
+			return str_starts_with($name, 'get');
 		});
 		foreach ($methods as $getter) {
 			if ($getter === 'getMentions') {

apps/dav/lib/Comments/CommentsPlugin.php

@@ -85,7 +85,7 @@ public function __construct(ICommentsManager $commentsManager, IUserSession $use
 	 */
 	public function initialize(Server $server) {
 		$this->server = $server;
-		if (strpos($this->server->getRequestUri(), 'comments/') !== 0) {
+		if (!str_starts_with($this->server->getRequestUri(), 'comments/')) {
 			return;
 		}
 

apps/dav/lib/Connector/Sabre/AnonymousOptionsPlugin.php

@@ -54,7 +54,7 @@ public function initialize(\Sabre\DAV\Server $server) {
 	 * @return bool
 	 */
 	public function isRequestInRoot($path) {
-		return $path === '' || (is_string($path) && strpos($path, '/') === false);
+		return $path === '' || (is_string($path) && !str_contains($path, '/'));
 	}
 
 	/**

apps/dav/lib/Connector/Sabre/CachingTree.php

@@ -46,7 +46,7 @@ public function markDirty($path) {
 		$path = trim($path, '/');
 		foreach ($this->cache as $nodePath => $node) {
 			$nodePath = (string) $nodePath;
-			if ('' === $path || $nodePath == $path || 0 === strpos($nodePath, $path.'/')) {
+			if ('' === $path || $nodePath == $path || str_starts_with($nodePath, $path . '/')) {
 				unset($this->cache[$nodePath]);
 			}
 		}

apps/dav/lib/Connector/Sabre/Principal.php

@@ -482,7 +482,7 @@ public function findByUri($uri, $principalPrefix) {
 			$restrictGroups = $this->groupManager->getUserGroupIds($user);
 		}
 
-		if (strpos($uri, 'mailto:') === 0) {
+		if (str_starts_with($uri, 'mailto:')) {
 			if ($principalPrefix === 'principals/users') {
 				$users = $this->userManager->getByEmail(substr($uri, 7));
 				if (count($users) !== 1) {

apps/dav/lib/Connector/Sabre/PropfindCompressionPlugin.php

@@ -61,7 +61,7 @@ public function compressResponse(Request $request, Response $response) {
 			return $response;
 		}
 
-		if (strpos($header, 'gzip') !== false) {
+		if (str_contains($header, 'gzip')) {
 			$body = $response->getBody();
 			if (is_string($body)) {
 				$response->setHeader('Content-Encoding', 'gzip');

apps/dav/lib/DAV/GroupPrincipalBackend.php

@@ -288,7 +288,7 @@ public function findByUri($uri, $principalPrefix) {
 			$restrictGroups = $this->groupManager->getUserGroupIds($user);
 		}
 
-		if (strpos($uri, 'principal:principals/groups/') === 0) {
+		if (str_starts_with($uri, 'principal:principals/groups/')) {
 			$name = urlencode(substr($uri, 28));
 			if ($restrictGroups !== false && !\in_array($name, $restrictGroups, true)) {
 				return null;

apps/dav/lib/DAV/PublicAuth.php

@@ -86,7 +86,7 @@ public function challenge(RequestInterface $request, ResponseInterface $response
 	private function isRequestPublic(RequestInterface $request) {
 		$url = $request->getPath();
 		$matchingUrls = array_filter($this->publicURLs, function ($publicUrl) use ($url) {
-			return strpos($url, $publicUrl, 0) === 0;
+			return str_starts_with($url, $publicUrl);
 		});
 		return !empty($matchingUrls);
 	}

apps/dav/lib/DAV/Sharing/Plugin.php

@@ -125,8 +125,8 @@ public function httpPost(RequestInterface $request, ResponseInterface $response)
 		$path = $request->getPath();
 
 		// Only handling xml
-		$contentType = $request->getHeader('Content-Type');
-		if (strpos($contentType, 'application/xml') === false && strpos($contentType, 'text/xml') === false) {
+		$contentType = (string) $request->getHeader('Content-Type');
+		if (!str_contains($contentType, 'application/xml') && !str_contains($contentType, 'text/xml')) {
 			return;
 		}
 

apps/dav/lib/Listener/CalendarContactInteractionListener.php

@@ -43,7 +43,6 @@
 use Sabre\VObject\Reader;
 use Throwable;
 use function strlen;
-use function strpos;
 use function substr;
 
 class CalendarContactInteractionListener implements IEventListener {
@@ -130,7 +129,7 @@ private function emitFromUri(string $uri, IUser $user): void {
 			// Invalid principal
 			return;
 		}
-		if (strpos($principal, self::URI_USERS) !== 0) {
+		if (!str_starts_with($principal, self::URI_USERS)) {
 			// Not a user principal
 			return;
 		}
@@ -159,7 +158,7 @@ private function emitFromObject(VEvent $vevent, IUser $user): void {
 			}
 
 			$mailTo = $attendee->getValue();
-			if (strpos($mailTo, 'mailto:') !== 0) {
+			if (!str_starts_with($mailTo, 'mailto:')) {
 				// Doesn't look like an email
 				continue;
 			}

apps/dav/lib/Listener/CalendarDeletionDefaultUpdaterListener.php

@@ -31,7 +31,6 @@
 use OCP\IConfig;
 use Psr\Log\LoggerInterface;
 use Throwable;
-use function strpos;
 
 /**
  * @template-implements IEventListener<\OCA\DAV\Events\CalendarDeletedEvent>
@@ -61,7 +60,7 @@ public function handle(Event $event): void {
 
 		try {
 			$principalUri = $event->getCalendarData()['principaluri'];
-			if (strpos($principalUri, 'principals/users') !== 0) {
+			if (!str_starts_with($principalUri, 'principals/users')) {
 				$this->logger->debug('Default calendar needs no update because the deleted calendar does not belong to a user principal');
 				return;
 			}

apps/dav/lib/Server.php

@@ -373,7 +373,7 @@ public function exec() {
 	private function requestIsForSubtree(array $subTrees): bool {
 		foreach ($subTrees as $subTree) {
 			$subTree = trim($subTree, ' /');
-			if (strpos($this->server->getRequestUri(), $subTree.'/') === 0) {
+			if (str_starts_with($this->server->getRequestUri(), $subTree . '/')) {
 				return true;
 			}
 		}