fix(cors): ACAO header was not sent when conf.origins
has multiple
#13334
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Outdated suggestions cannot be applied.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
The CORS plugin allows the use of the wildcard
*
to match all origins. However, when multiple entries are configured inconf.origins
and one of them is*
, the CORS plugin fails to send the ACAO response header. Additionally, the logs report an error entry likepcre2_compile() failed: quantifier does not follow a repeatable item in "*$" at "*$"
.This fix addresses the issue, and ensures consistent behavior with when setting
*
as a single value inconf.origins
.Checklist
changelog/unreleased/kong
orskip-changelog
label added on PR if changelog is unnecessary. README.mdIssue reference
Fix FTI-6062