fix: support plain token webhook verification (GitLab)#58
Merged
matthiastjong merged 1 commit intomainfrom Apr 15, 2026
Merged
Conversation
HMAC verification assumed all signatures are sha256 hex digests. GitLab sends the secret as plain text in X-Gitlab-Token instead. Now tries HMAC first, falls back to direct timing-safe comparison. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Summary
X-Gitlab-Token, niet als HMAC hashverifySignatureprobeert nu eerst HMAC (GitHub-style), valt terug op directe timing-safe vergelijking (GitLab-style)Test plan
X-Gitlab-Tokenlevert nu 200 in plaats van 401X-Hub-Signature-256(HMAC) werkt nog steeds🤖 Generated with Claude Code