[auth] OAuth protected-resource-metadata: fallback on 4xx not just 404#879
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[auth] OAuth protected-resource-metadata: fallback on 4xx not just 404#879
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domdomegg
reviewed
Aug 15, 2025
src/client/auth.test.ts
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| it("falls back to root discovery when path-aware discovery returns 404", async () => { | ||
| // First call (path-aware) returns 404 | ||
| it("falls back to root discovery when path-aware discovery fails", async () => { |
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maybe we could make this a parameterised test (with it.each) to check across many 4xx statuses?
domdomegg
reviewed
Aug 15, 2025
Co-authored-by: adam jones <[email protected]>
ochafik
approved these changes
Aug 19, 2025
src/client/auth.test.ts
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| it("falls back to root discovery when path-aware discovery returns 404", async () => { | ||
| // First call (path-aware) returns 404 | ||
| it("falls back to root discovery when path-aware discovery fails", async () => { |
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could also be good to add "falls back when path-aware discovery encounters internal server error" (to check the 500s are left out of the logic)
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Motivation and Context
Some places will return a 401 or other 4xx status code when you probe for a metadata endpoint they don't support. Prior to this, we'd only fallback specifically on a 404, but if it's unauthorized, you're not guaranteed to get a 404.
Without this change, clients will fail trying to get the path-aware version and never try the supported root PRM path.
How Has This Been Tested?
Added tests
Breaking Changes
Unbreaks a change from introducing path-aware metadata
Types of changes
Checklist
Additional context