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Code Issues Releases Activity

Http signatures: fix missing quotes in sent header, add date check

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This commit is contained in:
Madeline 2023-09-29 04:05:31 +00:00
parent 95cabac3f0
commit 97b9184afd
1 changed files with 9 additions and 1 deletions
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10
src/activitypub/federation/HttpSig.ts
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@ -28,6 +28,14 @@ export class HttpSig {
activity: APActivity, activity: APActivity,
requestHeaders: IncomingHttpHeaders, requestHeaders: IncomingHttpHeaders,
) { ) {
const date = requestHeaders["date"];
if (
!date ||
// Older than 1 day
Date.parse(date).valueOf() > Date.now() + 24 * 60 * 60 * 1000
)
throw new APError("Signature too old");
const sigheader = requestHeaders["signature"]?.toString(); const sigheader = requestHeaders["signature"]?.toString();
if (!sigheader) throw new APError("Missing signature"); if (!sigheader) throw new APError("Missing signature");
const sigopts: { [key: string]: string | undefined } = Object.assign( const sigopts: { [key: string]: string | undefined } = Object.assign(
@ -115,7 +123,7 @@ export class HttpSig {
const header = const header =
`keyId="https://${host}/federation/${sender.type}/${sender.actorId}",` + `keyId="https://${host}/federation/${sender.type}/${sender.actorId}",` +
`headers="(request-target) host date digest",` + `headers="(request-target) host date digest",` +
`signature=${sig_b64}`; `signature="${sig_b64}"`;
return OrmUtils.mergeDeep({}, fetchOpts, { return OrmUtils.mergeDeep({}, fetchOpts, {
method: "POST", method: "POST",