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Compare Engine reporting's privateHeaders case-insensitively, as documented.

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The documentation for `privateHeaders`[[0]] suggests that it is
case-insensitive.  While that statement is true, and the incoming header is
lower-cased before checking it against the `privateHeaders` configuration,
it assumed that the headers in the `privateHeaders` object were specified in
lower-case.

This changes the comparison to lower-case both sides prior to determining
equality.

[0]: https://github.com/apollographql/apollo-server/blob/abb8dc58/packages/apollo-engine-reporting/src/agent.ts#L67-L70

Fixes: https://github.com/apollographql/apollo-server/issues/2273
This commit is contained in:
Jesse Rosenberger 2019-02-06 12:34:01 +02:00
parent 3dfbfcc0d8
commit 5ee9845537
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1 changed files with 4 additions and 1 deletions
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5
packages/apollo-engine-reporting/src/extension.ts
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@ -129,7 +129,10 @@ export class EngineReportingExtension<TContext = any>
// We assume that most users only have a few private headers, or will
// just set privateHeaders to true; we can change this linear-time
// operation if it causes real performance issues.
this.options.privateHeaders.includes(key.toLowerCase())
this.options.privateHeaders.some(privateHeader => {
// Headers are case-insensitive, and should be compared as such.
return privateHeader.toLowerCase() === key.toLowerCase();
})
) {
continue;
}