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Merged
mldangelo-oai merged 1 commit into from
Oct 5, 2026
Merged

refactor(release): share provenance verification plumbing #1233

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118 changes: 41 additions & 77 deletions sdk/typescript/scripts/release-automation.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -560,6 +560,28 @@ export function verifyGitHubPublishedRelease(
return verifyPublishedRelease(metadata, archive, expected);
}

function readProvenance(verified) {
const provenance = Array.isArray(verified.attestationBundles)
? verified.attestationBundles.find(
(candidate) => candidate?.predicateType === provenancePredicate,
)
: undefined;
const encodedStatement = provenance?.bundle?.dsseEnvelope?.payload;
if (typeof encodedStatement !== "string") {
throw new Error("The verified SLSA provenance bundle is missing.");
}

let statement;
try {
statement = JSON.parse(
Buffer.from(encodedStatement, "base64").toString("utf8"),
);
} catch {
throw new Error("The verified SLSA provenance statement is invalid.");
}
return { provenance, statement };
}

export function verifySignatureAudit(report, archive, expected) {
if (
!Array.isArray(report?.invalid) ||
Expand Down Expand Up @@ -605,24 +627,7 @@ export function verifySignatureAudit(report, archive, expected) {
throw new Error("The verified npm package must have SLSA v1 provenance.");
}

const provenance = Array.isArray(verified.attestationBundles)
? verified.attestationBundles.find(
(candidate) => candidate?.predicateType === provenancePredicate,
)
: undefined;
const encodedStatement = provenance?.bundle?.dsseEnvelope?.payload;
if (typeof encodedStatement !== "string") {
throw new Error("The verified SLSA provenance bundle is missing.");
}

let statement;
try {
statement = JSON.parse(
Buffer.from(encodedStatement, "base64").toString("utf8"),
);
} catch {
throw new Error("The verified SLSA provenance statement is invalid.");
}
const { provenance, statement } = readProvenance(verified);
if (
statement?._type !== "https://in-toto.io/Statement/v1" ||
statement.predicateType !== provenancePredicate
Expand Down Expand Up @@ -745,24 +750,7 @@ export function verifyRecoveredSignatureAudit(report, archive, expected) {
);
}

const provenance = Array.isArray(verified.attestationBundles)
? verified.attestationBundles.find(
(candidate) => candidate?.predicateType === provenancePredicate,
)
: undefined;
const encodedStatement = provenance?.bundle?.dsseEnvelope?.payload;
if (typeof encodedStatement !== "string") {
throw new Error("The verified SLSA provenance bundle is missing.");
}

let statement;
try {
statement = JSON.parse(
Buffer.from(encodedStatement, "base64").toString("utf8"),
);
} catch {
throw new Error("The verified SLSA provenance statement is invalid.");
}
const { statement } = readProvenance(verified);

const prefix = `https://github.com/${expected.repository}/actions/runs/`;
const invocation = statement?.predicate?.runDetails?.metadata?.invocationId;
Expand Down Expand Up @@ -932,24 +920,25 @@ function main() {
return;
}

if (command === "verify-publication" && process.argv.length === 6) {
const metadata = JSON.parse(readFileSync(0, "utf8"));
const archive = readFileSync(process.argv[3]);
const verified = verifyPublishedRelease(metadata, archive, {
version: process.argv[4],
gitHead: process.argv[5],
});
console.log(JSON.stringify(verified));
return;
}

if (command === "verify-github-publication" && process.argv.length === 8) {
if (
(command === "verify-publication" && process.argv.length === 6) ||
(command === "verify-github-publication" && process.argv.length === 8) ||
(command === "verify-provenance" && process.argv.length === 8) ||
(command === "verify-recovered-provenance" && process.argv.length === 7)
) {
const metadata = JSON.parse(readFileSync(0, "utf8"));
const archive = readFileSync(process.argv[3]);
const provenance = JSON.parse(
process.env.CODEX_SECURITY_VERIFIED_PROVENANCE ?? "null",
);
const verified = verifyGitHubPublishedRelease(
const provenance =
command === "verify-github-publication"
? JSON.parse(process.env.CODEX_SECURITY_VERIFIED_PROVENANCE ?? "null")
: undefined;
const verify = {
"verify-publication": verifyPublishedRelease,
"verify-github-publication": verifyGitHubPublishedRelease,
"verify-provenance": verifySignatureAudit,
"verify-recovered-provenance": verifyRecoveredSignatureAudit,
}[command];
const verified = verify(
metadata,
archive,
{
Expand All @@ -964,31 +953,6 @@ function main() {
return;
}

if (command === "verify-provenance" && process.argv.length === 8) {
const report = JSON.parse(readFileSync(0, "utf8"));
const archive = readFileSync(process.argv[3]);
const verified = verifySignatureAudit(report, archive, {
version: process.argv[4],
gitHead: process.argv[5],
repository: process.argv[6],
runId: process.argv[7],
});
console.log(JSON.stringify(verified));
return;
}

if (command === "verify-recovered-provenance" && process.argv.length === 7) {
const report = JSON.parse(readFileSync(0, "utf8"));
const archive = readFileSync(process.argv[3]);
const verified = verifyRecoveredSignatureAudit(report, archive, {
version: process.argv[4],
gitHead: process.argv[5],
repository: process.argv[6],
});
console.log(JSON.stringify(verified));
return;
}

if (
command === "verify-github-release" &&
(process.argv.length === 5 || process.argv.length === 6)
Expand Down
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