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Add detail to some error messages in wsl_client

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Add messages, and add expected and actual values to other messages in _verify_headers for easier troubleshooting.
This commit is contained in:
SnailRhymer 2022-04-22 21:14:11 +01:00
parent f4b0c7a1ea
commit da8bfbf278
1 changed files with 9 additions and 5 deletions
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14
modules/websocket/wsl_client.cpp
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@ -103,13 +103,14 @@ bool WSLClient::_verify_headers(String &r_protocol) {
String s = (char *)_resp_buf;
Vector<String> psa = s.split("\r\n");
int len = psa.size();
ERR_FAIL_COND_V_MSG(len < 4, false, "Not enough response headers, got: " + itos(len) + ", expected >= 4.");
ERR_FAIL_COND_V_MSG(len < 4, false, "Not enough response headers. Got: " + itos(len) + ", expected >= 4.");
Vector<String> req = psa[0].split(" ", false);
ERR_FAIL_COND_V_MSG(req.size() < 2, false, "Invalid protocol or status code.");
ERR_FAIL_COND_V_MSG(req.size() < 2, false, "Invalid protocol or status code. Got '" + psa[0] + "', expected 'HTTP/1.1 101'.");
// Wrong protocol
ERR_FAIL_COND_V_MSG(req[0] != "HTTP/1.1" || req[1] != "101", false, "Invalid protocol or status code.");
ERR_FAIL_COND_V_MSG(req[0] != "HTTP/1.1", false, "Invalid protocol. Got: '" + req[0] + "', expected 'HTTP/1.1'.");
ERR_FAIL_COND_V_MSG(req[1] != "101", false, "Invalid status code. Got: '" + req[1] + "', expected '101'.");
Map<String, String> headers;
for (int i = 1; i < len; i++) {
@ -137,9 +138,11 @@ bool WSLClient::_verify_headers(String &r_protocol) {
#undef WSL_CHECK
if (_protocols.size() == 0) {
// We didn't request a custom protocol
ERR_FAIL_COND_V(headers.has("sec-websocket-protocol"), false);
ERR_FAIL_COND_V_MSG(headers.has("sec-websocket-protocol"), false, "Received unrequested sub-protocol -> " + headers["sec-websocket-protocol"]);
} else {
ERR_FAIL_COND_V(!headers.has("sec-websocket-protocol"), false);
// We requested at least one custom protocol but didn't receive one
ERR_FAIL_COND_V_MSG(!headers.has("sec-websocket-protocol"), false, "Requested sub-protocol(s) but received none.");
// Check received sub-protocol was one of those requested.
r_protocol = headers["sec-websocket-protocol"];
bool valid = false;
for (int i = 0; i < _protocols.size(); i++) {
@ -150,6 +153,7 @@ bool WSLClient::_verify_headers(String &r_protocol) {
break;
}
if (!valid) {
ERR_FAIL_V_MSG(false, "Received unrequested sub-protocol -> " + r_protocol);
return false;
}
}