From da8bfbf278ff6ce73c6a6dd52aca67b6d7089bec Mon Sep 17 00:00:00 2001 From: SnailRhymer Date: Fri, 22 Apr 2022 21:14:11 +0100 Subject: Add detail to some error messages in wsl_client Add messages, and add expected and actual values to other messages in _verify_headers for easier troubleshooting. --- modules/websocket/wsl_client.cpp | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'modules/websocket') diff --git a/modules/websocket/wsl_client.cpp b/modules/websocket/wsl_client.cpp index 1ef571b6ee..be203bf17c 100644 --- a/modules/websocket/wsl_client.cpp +++ b/modules/websocket/wsl_client.cpp @@ -103,13 +103,14 @@ bool WSLClient::_verify_headers(String &r_protocol) { String s = (char *)_resp_buf; Vector 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 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 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; } } -- cgit v1.2.3