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server : implement credentialed CORS (#4514)

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* Implement credentialed CORS according to MDN

* Fix syntax error

* Move validate_api_key up so it is defined before its first usage
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Laura 2024-01-11 19:02:48 +01:00 committed by GitHub
parent 27379455c3
commit 4330bd83fe
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1 changed files with 20 additions and 6 deletions
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26
examples/server/server.cpp
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@ -2822,9 +2822,15 @@ int main(int argc, char **argv)
std::atomic<server_state> state{SERVER_STATE_LOADING_MODEL}; std::atomic<server_state> state{SERVER_STATE_LOADING_MODEL};
svr.set_default_headers({{"Server", "llama.cpp"}, svr.set_default_headers({{"Server", "llama.cpp"}});
{"Access-Control-Allow-Origin", "*"},
{"Access-Control-Allow-Headers", "content-type"}}); // CORS preflight
svr.Options(R"(.*)", [](const httplib::Request &req, httplib::Response &res) {
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
res.set_header("Access-Control-Allow-Credentials", "true");
res.set_header("Access-Control-Allow-Methods", "POST");
res.set_header("Access-Control-Allow-Headers", "*");
});
svr.Get("/health", [&](const httplib::Request&, httplib::Response& res) { svr.Get("/health", [&](const httplib::Request&, httplib::Response& res) {
server_state current_state = state.load(); server_state current_state = state.load();
@ -2987,9 +2993,9 @@ int main(int argc, char **argv)
return false; return false;
}); });
svr.Get("/props", [&llama](const httplib::Request & /*req*/, httplib::Response &res) svr.Get("/props", [&llama](const httplib::Request & req, httplib::Response &res)
{ {
res.set_header("Access-Control-Allow-Origin", "*"); res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
json data = { json data = {
{ "user_name", llama.name_user.c_str() }, { "user_name", llama.name_user.c_str() },
{ "assistant_name", llama.name_assistant.c_str() } { "assistant_name", llama.name_assistant.c_str() }
@ -2999,6 +3005,7 @@ int main(int argc, char **argv)
svr.Post("/completion", [&llama, &validate_api_key](const httplib::Request &req, httplib::Response &res) svr.Post("/completion", [&llama, &validate_api_key](const httplib::Request &req, httplib::Response &res)
{ {
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
if (!validate_api_key(req, res)) { if (!validate_api_key(req, res)) {
return; return;
} }
@ -3066,8 +3073,9 @@ int main(int argc, char **argv)
} }
}); });
svr.Get("/v1/models", [&params](const httplib::Request&, httplib::Response& res) svr.Get("/v1/models", [&params](const httplib::Request& req, httplib::Response& res)
{ {
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
std::time_t t = std::time(0); std::time_t t = std::time(0);
json models = { json models = {
@ -3085,9 +3093,11 @@ int main(int argc, char **argv)
res.set_content(models.dump(), "application/json; charset=utf-8"); res.set_content(models.dump(), "application/json; charset=utf-8");
}); });
// TODO: add mount point without "/v1" prefix -- how? // TODO: add mount point without "/v1" prefix -- how?
svr.Post("/v1/chat/completions", [&llama, &validate_api_key](const httplib::Request &req, httplib::Response &res) svr.Post("/v1/chat/completions", [&llama, &validate_api_key](const httplib::Request &req, httplib::Response &res)
{ {
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
if (!validate_api_key(req, res)) { if (!validate_api_key(req, res)) {
return; return;
} }
@ -3161,6 +3171,7 @@ int main(int argc, char **argv)
svr.Post("/infill", [&llama, &validate_api_key](const httplib::Request &req, httplib::Response &res) svr.Post("/infill", [&llama, &validate_api_key](const httplib::Request &req, httplib::Response &res)
{ {
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
if (!validate_api_key(req, res)) { if (!validate_api_key(req, res)) {
return; return;
} }
@ -3233,6 +3244,7 @@ int main(int argc, char **argv)
svr.Post("/tokenize", [&llama](const httplib::Request &req, httplib::Response &res) svr.Post("/tokenize", [&llama](const httplib::Request &req, httplib::Response &res)
{ {
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
const json body = json::parse(req.body); const json body = json::parse(req.body);
std::vector<llama_token> tokens; std::vector<llama_token> tokens;
if (body.count("content") != 0) if (body.count("content") != 0)
@ -3245,6 +3257,7 @@ int main(int argc, char **argv)
svr.Post("/detokenize", [&llama](const httplib::Request &req, httplib::Response &res) svr.Post("/detokenize", [&llama](const httplib::Request &req, httplib::Response &res)
{ {
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
const json body = json::parse(req.body); const json body = json::parse(req.body);
std::string content; std::string content;
if (body.count("tokens") != 0) if (body.count("tokens") != 0)
@ -3259,6 +3272,7 @@ int main(int argc, char **argv)
svr.Post("/embedding", [&llama](const httplib::Request &req, httplib::Response &res) svr.Post("/embedding", [&llama](const httplib::Request &req, httplib::Response &res)
{ {
res.set_header("Access-Control-Allow-Origin", req.get_header_value("Origin"));
const json body = json::parse(req.body); const json body = json::parse(req.body);
json prompt; json prompt;
if (body.count("content") != 0) if (body.count("content") != 0)