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Log more claims for OIDC login (#520)

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This commit is contained in:
Shiying Chen
2025-03-03 15:30:34 +08:00
committed by GitHub
parent 888619bccc
commit 877e2b442c
1 changed files with 25 additions and 5 deletions
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28
src/common/LoginConfig.ts
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@@ -79,11 +79,16 @@ export class LoginConfig {
this.mask(this.federatedToken);
}
catch (error) {
core.error(`Please make sure to give write permissions to id-token in the workflow.`);
core.error("Failed to fetch federated token from GitHub. Please make sure to give write permissions to id-token in the workflow.");
throw error;
}
let [issuer, subjectClaim] = await jwtParser(this.federatedToken);
core.info("Federated token details:\n issuer - " + issuer + "\n subject claim - " + subjectClaim);
try {
let [issuer, subjectClaim, audience, jobWorkflowRef] = await jwtParser(this.federatedToken);
core.info("Federated token details:\n issuer - " + issuer + "\n subject claim - " + subjectClaim + "\n audience - " + audience + "\n job_workflow_ref - " + jobWorkflowRef);
}
catch (error) {
core.warning(`Failed to parse the federated token. Error: ${error}`);
}
}
validate() {
@@ -114,5 +119,20 @@ async function jwtParser(federatedToken: string) {
let tokenPayload = federatedToken.split('.')[1];
let bufferObj = Buffer.from(tokenPayload, "base64");
let decodedPayload = JSON.parse(bufferObj.toString("utf8"));
return [decodedPayload['iss'], decodedPayload['sub']];
const JWT_CLAIM_ISSUER = 'iss';
const JWT_CLAIM_SUBJECT = 'sub';
const JWT_CLAIM_AUDIENCE = 'aud';
const JWT_CLAIM_JOB_WORKFLOW_REF = 'job_workflow_ref';
const requiredClaims = [
JWT_CLAIM_ISSUER,
JWT_CLAIM_SUBJECT,
JWT_CLAIM_AUDIENCE,
JWT_CLAIM_JOB_WORKFLOW_REF
];
for (const claim of requiredClaims) {
if (!decodedPayload[claim]) {
throw new Error(`The claim '${claim}' is missing from the token payload`);
}
}
return [decodedPayload[JWT_CLAIM_ISSUER], decodedPayload[JWT_CLAIM_SUBJECT], decodedPayload[JWT_CLAIM_AUDIENCE], decodedPayload[JWT_CLAIM_JOB_WORKFLOW_REF]];
}