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18 lines
682 B
TypeScript
18 lines
682 B
TypeScript
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/*
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* JSW §1: Cryptographic algorithms and identifiers for use with this specification
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* are described in the separate JSON Web Algorithms (JWA) specification:
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* https://www.rfc-editor.org/rfc/rfc7518
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*/
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export type Algorithm = "none" | "HS256" | "HS512";
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export type AlgorithmInput = Algorithm | Array<Exclude<Algorithm, "none">>;
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/**
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* Verify the algorithm
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* @param algorithm as string or multiple algorithms in an array excluding 'none'
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* @param the algorithm from the jwt header
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*/
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export function verify(algorithm: AlgorithmInput, jwtAlg: string): boolean {
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return Array.isArray(algorithm)
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? (algorithm as string[]).includes(jwtAlg)
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: algorithm === jwtAlg;
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}
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