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TypeScript
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172import { expect } from "@std/expect";import { describe, test } from "@std/testing/bdd";
import { constantTimeEqual, pkceChallenge, randomBase64Url, randomHex, sha256Hex, toBase64Url, toHex, verifyPkce,} from "../crypto";
// RFC 7636 appendix B test vector.const VERIFIER = "dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk";const CHALLENGE = "E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM";
describe("oauth crypto", () => { test("pkceChallenge matches the RFC 7636 vector", async () => { expect(await pkceChallenge(VERIFIER)).toBe(CHALLENGE); });
test("verifyPkce accepts the matching verifier", async () => { expect(await verifyPkce(VERIFIER, CHALLENGE)).toBe(true); });
test("verifyPkce rejects a wrong verifier", async () => { expect(await verifyPkce(`${VERIFIER.slice(0, -1)}A`, CHALLENGE)).toBe( false, ); });
test("verifyPkce rejects verifiers outside 43..128 chars", async () => { expect(await verifyPkce("short", CHALLENGE)).toBe(false); expect(await verifyPkce("a".repeat(129), CHALLENGE)).toBe(false); });
test("verifyPkce rejects verifiers with characters outside the unreserved set", async () => { expect(await verifyPkce(`${"a".repeat(42)}!`, CHALLENGE)).toBe(false); });
test("sha256Hex matches a known digest", async () => { expect(await sha256Hex("abc")).toBe( "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", ); });
test("toBase64Url strips padding and uses the url alphabet", () => { expect(toBase64Url(new Uint8Array([251, 255, 191]))).toBe("-_-_"); expect(toBase64Url(new Uint8Array([1]))).toBe("AQ"); });
test("toHex pads single-digit bytes", () => { expect(toHex(new Uint8Array([0, 15, 255]))).toBe("000fff"); });
test("random helpers produce distinct, well-formed values", () => { const a = randomBase64Url(32); const b = randomBase64Url(32); expect(a).not.toBe(b); expect(a).toMatch(/^[A-Za-z0-9_-]{43}$/); expect(randomHex(16)).toMatch(/^[a-f0-9]{32}$/); });
test("constantTimeEqual compares by value and rejects length mismatches", () => { expect(constantTimeEqual("abc", "abc")).toBe(true); expect(constantTimeEqual("abc", "abd")).toBe(false); expect(constantTimeEqual("abc", "abcd")).toBe(false); });});