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[stable27] fix(backend): Accept pushs with only step1 messages by read-only clients #5472

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Merged
mejo- merged 1 commit into from
Mar 13, 2024
Merged

[stable27] fix(backend): Accept pushs with only step1 messages by read-only clients #5472

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11 changes: 3 additions & 8 deletions lib/Service/ApiService.php
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Original file line number Diff line number Diff line change
Expand Up @@ -184,7 +184,6 @@ public function close($documentId, $sessionId, $sessionToken): DataResponse {

/**
* @throws NotFoundException
* @throws DoesNotExistException
*/
public function push(Session $session, Document $document, $version, $steps, $awareness, $token = null): DataResponse {
try {
Expand All @@ -196,16 +195,12 @@ public function push(Session $session, Document $document, $version, $steps, $aw
if (empty($steps)) {
return new DataResponse([]);
}
$file = $this->documentService->getFileForSession($session, $token);
if ($this->documentService->isReadOnly($file, $token)) {
return new DataResponse([], 403);
}
try {
$result = $this->documentService->addStep($document, $session, $steps, $version);
$result = $this->documentService->addStep($document, $session, $steps, $version, $token);
} catch (InvalidArgumentException $e) {
return new DataResponse($e->getMessage(), 422);
} catch (DoesNotExistException $e) {
// Session was removed in the meantime. #3875
} catch (DoesNotExistException|NotPermittedException) {
// Either no write access or session was removed in the meantime (#3875).
return new DataResponse([], 403);
}
return new DataResponse($result);
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10 changes: 8 additions & 2 deletions lib/Service/DocumentService.php
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Original file line number Diff line number Diff line change
Expand Up @@ -210,11 +210,14 @@ public function writeDocumentState(int $documentId, string $content): void {
* @param $sessionId
* @param $steps
* @param $version
* @param $shareToken
* @return array
* @throws DoesNotExistException
* @throws InvalidArgumentException
* @throws NotFoundException
* @throws NotPermittedException
* @throws DoesNotExistException
*/
public function addStep(Document $document, Session $session, $steps, $version): array {
public function addStep(Document $document, Session $session, $steps, $version, $shareToken): array {
$sessionId = $session->getId();
$documentId = $session->getDocumentId();
$stepsToInsert = [];
Expand All @@ -233,6 +236,9 @@ public function addStep(Document $document, Session $session, $steps, $version):
}
}
if (sizeof($stepsToInsert) > 0) {
if ($this->isReadOnly($this->getFileForSession($session, $shareToken), $shareToken)) {
throw new NotPermittedException('Read-only client tries to push steps with changes');
}
$newVersion = $this->insertSteps($document, $session, $stepsToInsert, $version);
}
// If there were any queries in the steps send the entire history
Expand Down