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Http: consolidate get_host_from_url() into Http class

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Move duplicate get_host_from_url() implementations from ElegooLink and
OctoPrint into Http as a static method using the curl_url API. This
eliminates code duplication and provides a single reliable URL host
extraction utility for all print host implementations.

Signed-off-by: Igor Mammedov <niallain@gmail.com>
This commit is contained in:
Igor Mammedov
2026-05-16 15:53:40 +02:00
parent 8a650ec672
commit 376841e28e
5 changed files with 63 additions and 135 deletions
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90
src/slic3r/Utils/ElegooLink.cpp
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@@ -122,77 +122,6 @@ namespace Slic3r {
}
}
std::string get_host_from_url(const std::string& url_in)
{
std::string url = url_in;
// add http:// if there is no scheme
size_t double_slash = url.find("//");
if (double_slash == std::string::npos)
url = "http://" + url;
std::string out = url;
CURLU* hurl = curl_url();
if (hurl) {
// Parse the input URL.
CURLUcode rc = curl_url_set(hurl, CURLUPART_URL, url.c_str(), 0);
if (rc == CURLUE_OK) {
// Replace the address.
char* host;
rc = curl_url_get(hurl, CURLUPART_HOST, &host, 0);
if (rc == CURLUE_OK) {
char* port;
rc = curl_url_get(hurl, CURLUPART_PORT, &port, 0);
if (rc == CURLUE_OK && port != nullptr) {
out = std::string(host) + ":" + port;
curl_free(port);
} else {
out = host;
curl_free(host);
}
}
else
BOOST_LOG_TRIVIAL(error) << "ElegooLink get_host_from_url: failed to get host form URL " << url;
}
else
BOOST_LOG_TRIVIAL(error) << "ElegooLink get_host_from_url: failed to parse URL " << url;
curl_url_cleanup(hurl);
}
else
BOOST_LOG_TRIVIAL(error) << "ElegooLink get_host_from_url: failed to allocate curl_url";
return out;
}
std::string get_host_from_url_no_port(const std::string& url_in)
{
std::string url = url_in;
// add http:// if there is no scheme
size_t double_slash = url.find("//");
if (double_slash == std::string::npos)
url = "http://" + url;
std::string out = url;
CURLU* hurl = curl_url();
if (hurl) {
// Parse the input URL.
CURLUcode rc = curl_url_set(hurl, CURLUPART_URL, url.c_str(), 0);
if (rc == CURLUE_OK) {
// Replace the address.
char* host;
rc = curl_url_get(hurl, CURLUPART_HOST, &host, 0);
if (rc == CURLUE_OK) {
out = host;
curl_free(host);
}
else
BOOST_LOG_TRIVIAL(error) << "ElegooLink get_host_from_url: failed to get host form URL " << url;
}
else
BOOST_LOG_TRIVIAL(error) << "ElegooLink get_host_from_url: failed to parse URL " << url;
curl_url_cleanup(hurl);
}
else
BOOST_LOG_TRIVIAL(error) << "ElegooLink get_host_from_url: failed to allocate curl_url";
return out;
}
#ifdef WIN32
// Workaround for Windows 10/11 mDNS resolve issue, where two mDNS resolves in succession fail.
std::string substitute_host(const std::string& orig_addr, std::string sub_addr)
@@ -337,7 +266,7 @@ namespace Slic3r {
std::replace(web_path.begin(), web_path.end(), '\\', '/');
web_path = "file://" + web_path;
web_path += "?access_code=" + get_cc2_token(config->opt_string("printhost_apikey"));
web_path += "&ip=" + get_host_from_url(host) + "&id=elegoo_123456";
web_path += "&ip=" + Http::get_host_header_value(host) + "&id=elegoo_123456";
const std::string lang = GUI::wxGetApp().current_language_code_safe().utf8_string();
if (!lang.empty())
@@ -503,7 +432,6 @@ namespace Slic3r {
// Msg contains ip string.
auto url = substitute_host(make_url(""), GUI::into_u8(msg));
msg.Clear();
std::string host = get_host_from_url(m_host);
auto http = Http::get(url); // std::move(url));
// "Host" header is necessary here. We have resolved IP address and subsituted it into "url" variable.
// And when creating Http object above, libcurl automatically includes "Host" header from address it got.
@@ -511,7 +439,7 @@ namespace Slic3r {
// Not changing the host would work on the most cases (where there is 1 service on 1 hostname) but would break when f.e. reverse
// proxy is used (issue #9734). Also when allow_ip_resolve = 0, this is not needed, but it should not break anything if it stays.
// https://www.rfc-editor.org/rfc/rfc7230#section-5.4
http.header("Host", host);
http.header("Host", Http::get_host_header_value(m_host));
set_auth(http);
http.on_error([&](std::string body, std::string error, unsigned status) {
BOOST_LOG_TRIVIAL(error) << boost::format("%1%: Error getting version at %2% : %3%, HTTP %4%, body: `%5%`") % name % url %
@@ -555,11 +483,10 @@ namespace Slic3r {
bool res = true;
const auto token = cc2_token();
auto url = substitute_host(make_cc2_info_url(), GUI::into_u8(msg));
std::string host_header = get_host_from_url(m_host);
auto http = Http::get(url);
msg.Clear();
http.header("Host", host_header);
http.header("Host", Http::get_host_header_value(m_host));
http.header("X-Token", token);
http.header("Accept", "application/json");
http.on_error([&](std::string body, std::string error, unsigned status) {
@@ -618,7 +545,7 @@ namespace Slic3r {
std::string url = substitute_host(make_cc2_upload_url(), resolved_addr.to_string());
info_fn(L"resolve", boost::nowide::widen(url));
return loopUploadCC2(url, get_host_from_url(m_host), std::move(upload_data), prorgess_fn, error_fn, info_fn);
return loopUploadCC2(url, Http::get_host_header_value(m_host), std::move(upload_data), prorgess_fn, error_fn, info_fn);
}
wxString legacy_msg = GUI::from_u8(resolved_addr.to_string());
@@ -664,7 +591,7 @@ namespace Slic3r {
}
#endif // _WIN32
return loopUploadCC2(url, get_host_from_url(m_host), std::move(upload_data), prorgess_fn, error_fn, info_fn);
return loopUploadCC2(url, Http::get_host_header_value(m_host), std::move(upload_data), prorgess_fn, error_fn, info_fn);
}
wxString legacy_msg;
@@ -803,8 +730,7 @@ namespace Slic3r {
// on the most cases (where there is 1 service on 1 hostname) but would break when f.e. reverse proxy is used (issue #9734). Also
// when allow_ip_resolve = 0, this is not needed, but it should not break anything if it stays.
// https://www.rfc-editor.org/rfc/rfc7230#section-5.4
std::string host = get_host_from_url(m_host);
http.header("Host", host);
http.header("Host", Http::get_host_header_value(m_host));
http.header("Accept", "application/json, text/plain, */*");
#endif // _WIN32
set_auth(http);
@@ -835,7 +761,7 @@ namespace Slic3r {
if (res) {
if (upload_data.post_action == PrintHostPostUploadAction::StartPrint) {
// connect to websocket, since the upload is successful, the file will be printed
std::string wsUrl = get_host_from_url_no_port(m_host);
std::string wsUrl = Http::get_host_from_url(m_host);
WebSocketClient client;
try {
client.connect(wsUrl, "3030", "/websocket");
@@ -1016,7 +942,7 @@ namespace Slic3r {
#ifndef WIN32
return upload_inner_with_host(std::move(upload_data), prorgess_fn, error_fn, info_fn);
#else
std::string host = get_host_from_url_no_port(m_host);
std::string host = Http::get_host_from_url(m_host);
// decide what to do based on m_host - resolve hostname or upload to ip
std::vector<boost::asio::ip::address> resolved_addr;