// ------------------------------------------------------------------------
int FskHeaderGenerateOutputBlob(char *blob, int blobLength, Boolean withTerminator, FskHeaders *headers)
{
FskHeaderIterator iter;
int blobLoc = 0, amt;
iter = FskHeaderIteratorNew(headers);
if (blob) {
while ((amt = FskHeaderGenerateOutputLine(iter, &blob[blobLoc], blobLength - blobLoc)) > 0) {
blobLoc += amt;
iter = FskHeaderIteratorNext(iter);
}
if (withTerminator)
FskStrCat(blob, "\r\n");
}
else {
while ((amt = FskHeaderGenerateOutputLine(iter, NULL, blobLength - blobLoc)) > 0) {
blobLoc += amt;
iter = FskHeaderIteratorNext(iter);
}
}
if (withTerminator)
blobLoc += 2;
FskHeaderIteratorDispose(iter);
return blobLoc;
}
static Boolean KprWebSocketEndpointValidateResponse(KprWebSocketEndpoint self, FskHeaders *response)
{
FskErr err;
char *value;
char *encoded = NULL;
Boolean result = false;
{
FskHeaderIterator iter = FskHeaderIteratorNew(response);
FskDebugStr("HANDSHAKE: response headers\n");
while (iter) {
FskDebugStr("> %s: %s\n", iter->name, iter->value);
iter = FskHeaderIteratorNext(iter);
}
FskHeaderIteratorDispose(iter);
}
if (response->responseCode != 101) return false;
if (!KprWebSocketEndpointCheckHeaderValue(response, "Upgrade", "websocket")) return false;
if (!KprWebSocketEndpointCheckHeaderValue(response, "Connection", "Upgrade")) return false;
value = FskHeaderFind("Sec-WebSocket-Accept", response);
if (!value) return false;
bailIfError(KprWebSocketCalculateHash(self->key, &encoded));
result = (FskStrCompare(value, encoded) == 0);
bail:
if (encoded) FskMemPtrDispose(encoded);
return result;
}