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fix: primitive 15: improper same-origin validation for note uri and url

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Laura Hausmann 2024-10-24 05:07:58 +02:00 committed by Julia Johannesen
parent 4c432c07cb
commit ebea1a2962
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GPG key ID: 4A1377AF3E7FBC46
1 changed files with 28 additions and 4 deletions
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32
packages/backend/src/core/activitypub/models/ApNoteService.ts
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@ -141,14 +141,24 @@ export class ApNoteService {
this.logger.debug(`Note fetched: ${JSON.stringify(note, null, 2)}`);
if (note.id && !checkHttps(note.id)) {
if (note.id == null) {
throw new Error('Refusing to create note without id');
}
if (!checkHttps(note.id)) {
throw new Error('unexpected schema of note.id: ' + note.id);
}
const url = getOneApHrefNullable(note.url);
if (url && !checkHttps(url)) {
throw new Error('unexpected schema of note url: ' + url);
if (url != null) {
if (!checkHttps(url)) {
throw new Error('unexpected schema of note url: ' + url);
}
if (this.utilityService.punyHost(url) !== this.utilityService.punyHost(note.id)) {
throw new Error(`note url <> uri host mismatch: ${url} <> ${note.id}`);
}
}
this.logger.info(`Creating the Note: ${note.id}`);
@ -366,7 +376,11 @@ export class ApNoteService {
this.logger.debug(`Note fetched: ${JSON.stringify(note, null, 2)}`);
if (note.id && !checkHttps(note.id)) {
if (note.id == null) {
throw new Error('Refusing to update note without id');
}
if (!checkHttps(note.id)) {
throw new Error('unexpected schema of note.id: ' + note.id);
}
@ -376,6 +390,16 @@ export class ApNoteService {
throw new Error('unexpected schema of note url: ' + url);
}
if (url != null) {
if (!checkHttps(url)) {
throw new Error('unexpected schema of note url: ' + url);
}
if (this.utilityService.punyHost(url) !== this.utilityService.punyHost(note.id)) {
throw new Error(`note url <> id host mismatch: ${url} <> ${note.id}`);
}
}
this.logger.info(`Creating the Note: ${note.id}`);
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