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Change rQslice() to rQpeekBytes()

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We don't need any full slice functionality, so let's change this to
better march rQpeek8() and rQshiftBytes().
This commit is contained in:
Pierre Ossman
2023-05-11 12:33:22 +02:00
parent 87143b361e
commit ae9b042df1
5 changed files with 14 additions and 13 deletions
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2
core/decoders/jpeg.js
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@@ -124,7 +124,7 @@ export default class JPEGDecoder {
if (sock.rQwait("JPEG", length-2+extra, 4)) {
return null;
}
let data = sock.rQslice(0, length-2+extra);
let data = sock.rQpeekBytes(length-2+extra);
if (data.at(-2) === 0xFF && data.at(-1) !== 0x00 &&
!(data.at(-1) >= 0xD0 && data.at(-1) <= 0xD7)) {
extra -= 2;

2
core/ra2.js
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@@ -139,7 +139,7 @@ export default class RSAAESAuthenticationState extends EventTargetMixin {
this._hasStarted = true;
// 1: Receive server public key
await this._waitSockAsync(4);
const serverKeyLengthBuffer = this._sock.rQslice(0, 4);
const serverKeyLengthBuffer = this._sock.rQpeekBytes(4);
const serverKeyLength = this._sock.rQshift32();
if (serverKeyLength < 1024) {
throw new Error("RA2: server public key is too short: " + serverKeyLength);

2
core/rfb.js
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@@ -2455,7 +2455,7 @@ export default class RFB extends EventTargetMixin {
default:
this._fail("Unexpected server message (type " + msgType + ")");
Log.Debug("sock.rQslice(0, 30): " + this._sock.rQslice(0, 30));
Log.Debug("sock.rQpeekBytes(30): " + this._sock.rQpeekBytes(30));
return true;
}
}

5
core/websock.js
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@@ -168,8 +168,9 @@ export default class Websock {
this._rQi += len;
}
rQslice(start, end = this.rQlen) {
return new Uint8Array(this._rQ.buffer, this._rQi + start, end - start);
rQpeekBytes(len) {
if (typeof(len) === 'undefined') { len = this.rQlen; }
return new Uint8Array(this._rQ.buffer, this._rQi, len);
}
// Check to see if we must wait for 'num' bytes (default to FBU.bytes)