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don't assume verify has been called when receiving a cancellation in verifier

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This commit is contained in:
Bruno Windels
2020-02-21 17:26:29 +01:00
parent 0112701145
commit aec79f3a79
1 changed files with 7 additions and 4 deletions
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11
src/crypto/verification/Base.js
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@@ -155,10 +155,13 @@ export class VerificationBase extends EventEmitter {
} else if (e.getType() === "m.key.verification.cancel") {
const reject = this._reject;
this._reject = undefined;
const content = e.getContent();
const {reason, code} = content;
reject(new Error(`Other side cancelled verification ` +
`because ${reason} (${code})`));
// there is only promise to reject if verify has been called
if (reject) {
const content = e.getContent();
const {reason, code} = content;
reject(new Error(`Other side cancelled verification ` +
`because ${reason} (${code})`));
}
} else if (this._expectedEvent) {
// only cancel if there is an event expected.
// if there is no event expected, it means verify() wasn't called