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Allow a comma separated upgrade header #142

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Allow a comma separated upgrade header #142

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15 changes: 13 additions & 2 deletions utils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -315,8 +315,19 @@ bool parseHttpHeader(CirBuf &buf, std::string &websocket_key, int &websocket_ver
trim(value);
std::string value_lower = str_tolower(value);

if (name == "upgrade" && value_lower == "websocket")
upgradeHeaderSeen = true;
if (name == "upgrade")
{
std::vector<std::string> protocols = splitToVector(value_lower, ',');
for (std::string &prot : protocols)
{
trim(prot);

if (prot == "websocket")
{
upgradeHeaderSeen = true;
}
}
}
else if (name == "connection" && strContains(value_lower, "upgrade"))
connectionHeaderSeen = true;
else if (name == "sec-websocket-key")
Expand Down