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Support OAuth2 PKCE when using the OIDC authorization_code flow #6914

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merged 2 commits into from Feb 10, 2021
Merged

Support OAuth2 PKCE when using the OIDC authorization_code flow #6914

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7298651
fix: support OAuth2 PKCE when using the OIDC authorization_code flow
ChadKillingsworth Feb 7, 2021
24363da
Merge branch 'master' into oidc-flow-correction
tim-lai Feb 10, 2021
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2 changes: 1 addition & 1 deletion src/core/oauth2-authorize.js
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Expand Up @@ -77,7 +77,7 @@ export default function authorize ( { auth, authActions, errActions, configs, au
query.push("realm=" + encodeURIComponent(authConfigs.realm))
}

if ((flow === "authorizationCode" || flow === "accessCode") && authConfigs.usePkceWithAuthorizationCodeGrant) {
if ((flow === "authorizationCode" || flow === "authorization_code" || flow === "accessCode") && authConfigs.usePkceWithAuthorizationCodeGrant) {
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i wonder if you should do flow === 'access_code' too?

const codeVerifier = generateCodeVerifier()
const codeChallenge = createCodeChallenge(codeVerifier)

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32 changes: 32 additions & 0 deletions test/unit/core/oauth2-authorize.js
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Expand Up @@ -112,6 +112,38 @@ describe("oauth2", () => {
createCodeChallengeSpy.mockReset()
})

it("should send code_challenge when using authorization_code flow with usePkceWithAuthorizationCodeGrant enabled", () => {
const windowOpenSpy = jest.spyOn(win, "open")
mockSchema.flow = "authorization_code"

const expectedCodeVerifier = "mock_code_verifier"
const expectedCodeChallenge = "mock_code_challenge"

const generateCodeVerifierSpy = jest.spyOn(utils, "generateCodeVerifier").mockImplementation(() => expectedCodeVerifier)
const createCodeChallengeSpy = jest.spyOn(utils, "createCodeChallenge").mockImplementation(() => expectedCodeChallenge)

authConfig.authConfigs.usePkceWithAuthorizationCodeGrant = true

oauth2Authorize(authConfig)
expect(win.open.mock.calls.length).toEqual(1)

const actualUrl = new URLSearchParams(win.open.mock.calls[0][0])
expect(actualUrl.get("code_challenge")).toBe(expectedCodeChallenge)
expect(actualUrl.get("code_challenge_method")).toBe("S256")

expect(createCodeChallengeSpy.mock.calls.length).toEqual(1)
expect(createCodeChallengeSpy.mock.calls[0][0]).toBe(expectedCodeVerifier)

// The code_verifier should be stored to be able to send in
// on the TokenUrl call
expect(authConfig.auth.codeVerifier).toBe(expectedCodeVerifier)

// Restore spies
windowOpenSpy.mockReset()
generateCodeVerifierSpy.mockReset()
createCodeChallengeSpy.mockReset()
})

it("should add list of scopes to authorizeUrl", () => {
const windowOpenSpy = jest.spyOn(win, "open")
mockSchema.authorizationUrl = "https://testAuthorizationUrl?param=1"
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