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Don't prefix QR codes with the length of the static marker string

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Fixes https://github.com/vector-im/riot-web/issues/12489
This commit is contained in:
Travis Ralston 2020-02-25 09:54:48 -07:00
parent 6dcbed0320
commit f6fdddb9ba
1 changed files with 3 additions and 3 deletions
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6
src/components/views/elements/crypto/VerificationQRCode.js
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@ -130,9 +130,9 @@ export default class VerificationQRCode extends React.PureComponent {
tmpBuf.writeInt8(i, 0);
buf = Buffer.concat([buf, tmpBuf]);
};
const appendStr = (s: string, enc: string) => {
const appendStr = (s: string, enc: string, withLengthPrefix = true) => {
const tmpBuf = Buffer.from(s, enc);
appendInt(tmpBuf.byteLength);
if (withLengthPrefix) appendInt(tmpBuf.byteLength);
buf = Buffer.concat([buf, tmpBuf]);
};
const appendEncBase64 = (b64: string) => {
@ -142,7 +142,7 @@ export default class VerificationQRCode extends React.PureComponent {
};
// Actually build the buffer for the QR code
appendStr(this.props.prefix, "ascii");
appendStr(this.props.prefix, "ascii", false);
appendByte(this.props.version);
appendByte(this.props.mode);
appendStr(this.props.transactionId, "utf-8");