86 {
87 std::shared_ptr<web::http::client::tools::EventSource> eventSource;
88
89 static const std::regex re(
90 R"(^(?:(https?)://)?(?![^/]*@)((?:(?:25[0-5]|2[0-4]\d|1?\d{1,2})\.){3}(?:25[0-5]|2[0-4]\d|1?\d{1,2})|[A-Za-z0-9](?:[A-Za-z0-9-]{0,61}[A-Za-z0-9])?(?:\.[A-Za-z0-9](?:[A-Za-z0-9-]{0,61}[A-Za-z0-9])?)*)(?::([0-9]{1,5}))?([^?#]*)(\?[^#]*)?(?:#.*)?$)",
91 std::regex::ECMAScript | std::regex::icase);
92
93 std::smatch match;
94 if (std::regex_match(url, match, re)) {
95
96
97
98
99
100
101 const std::string& scheme = match[1].matched ? match[1].str() : "http";
102 const std::string& host = match[2].str();
103 const uint16_t port = match[3].matched ? static_cast<uint16_t>(std::stoi(match[3].str())) : static_cast<uint16_t>(80);
104 const std::string& path = (match[4].matched ? match[4].str() : "/");
105 const std::string& query = (match[5].matched ? match[5].str() : "");
106
107 if (scheme == "http") {
109 } else {
110 LOG(ERROR) << "Scheme not valid: " << scheme;
111 }
112 } else {
113 LOG(ERROR) << "EventSource url not accepted: " << url;
114 }
115
116 return eventSource;
117 }