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support HTTP OPTIONS #62

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support HTTP OPTIONS #62

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12 changes: 11 additions & 1 deletion httplib.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1474,7 +1474,7 @@ inline void Server::stop()

inline bool Server::parse_request_line(const char* s, Request& req)
{
static std::regex re("(GET|HEAD|POST) ([^?]+)(?:\\?(.+?))? (HTTP/1\\.[01])\r\n");
static std::regex re("(GET|HEAD|POST|OPTIONS) ([^?]+)(?:\\?(.+?))? (HTTP/1\\.[01])\r\n");

std::cmatch m;
if (std::regex_match(s, m, re)) {
Expand Down Expand Up @@ -1666,6 +1666,16 @@ inline bool Server::listen_internal()

inline bool Server::routing(Request& req, Response& res)
{

if (req.method == "OPTIONS") {
res.status = 200;
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin").c_str());
res.set_header("Allow", "GET, POST, HEAD, OPTIONS");
res.set_header("Access-Control-Allow-Headers", "X-Requested-With, Content-Type, Accept, Origin, Authorization");
res.set_header("Access-Control-Allow-Methods", "OPTIONS, GET, POST, HEAD");
return true;
}

if (req.method == "GET" && handle_file_request(req, res)) {
return true;
}
Expand Down