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cod 2024-09-23 11:35:52 +02:00
parent 485844a746
commit 14875dba34
1 changed files with 11 additions and 11 deletions
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22
src/core/operations/WebSocketDecode.mjs
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@ -40,8 +40,8 @@ class WebSocketDecode extends Operation {
throw new OperationError("Expected size: 2 bytes");
}
let b0 = buf[0];
let b1 = buf[1];
const b0 = buf[0];
const b1 = buf[1];
const fin = (b0 & 0x80) === 0x80 ? true : false;
const opcode = WEBSOCKET_OPCODE[b0 & 0x7f];
@ -49,26 +49,26 @@ class WebSocketDecode extends Operation {
pos = 2;
const mask = (b1 & 0x80) === 0x80 ? true : false;
const mask_size = (mask) ? 4 : 0;
const maskSize = (mask) ? 4 : 0;
if (payloadLength < 126) {
/** payload is less of 126 bytes */
if (buf.length < (pos + payloadLength + mask_size))
throw new OperationError(`Expected size: ${(pos + payloadLength + mask_size)}`);
} else if (payloadLength == 126) {
if (buf.length < (pos + payloadLength + maskSize))
throw new OperationError(`Expected size: ${(pos + payloadLength + maskSize)}`);
} else if (payloadLength === 126) {
/** payload is 2 bytes */
pos += 2;
payloadLength = buf.readUInt16BE(2);
if (buf.length < (pos + payloadLength + mask_size))
throw new OperationError(`Expected size: ${(pos + payloadLength + mask_size)}`);
if (buf.length < (pos + payloadLength + maskSize))
throw new OperationError(`Expected size: ${(pos + payloadLength + maskSize)}`);
} else if (payloadLength == 127) {
} else if (payloadLength === 127) {
pos += 8;
payloadLength = buf.readUInt64BE(2);
if (buf.length < (pos + payloadLength + mask_size))
throw new OperationError(`Expected size: ${(pos + payloadLength + mask_size)}`);
if (buf.length < (pos + payloadLength + maskSize))
throw new OperationError(`Expected size: ${(pos + payloadLength + maskSize)}`);
}
let maskBytes = Buffer.alloc(4);