Proxy support for Keep-Alive requests

This commit is contained in:
yhirose 2020-01-03 00:50:43 -05:00
parent 6c0e021554
commit de844e67ef
3 changed files with 208 additions and 117 deletions

214
httplib.h
View file

@ -783,6 +783,9 @@ private:
bool read_response_line(Stream &strm, Response &res);
bool write_request(Stream &strm, const Request &req, bool last_connection);
bool redirect(const Request &req, Response &res);
bool connect(socket_t sock, Response &res, bool &error);
bool handle_request(Stream &strm, const Request &req, Response &res,
bool last_connection, bool &connection_close);
std::shared_ptr<Response> send_with_content_provider(
const char *method, const char *path, const Headers &headers,
@ -2750,9 +2753,7 @@ inline Server::Server()
#ifndef _WIN32
signal(SIGPIPE, SIG_IGN);
#endif
new_task_queue = [] {
return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT);
};
new_task_queue = [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); };
}
inline Server::~Server() {}
@ -3445,77 +3446,128 @@ inline bool Client::read_response_line(Stream &strm, Response &res) {
}
inline bool Client::send(const Request &req, Response &res) {
if (req.path.empty()) { return false; }
auto sock = create_client_socket();
if (sock == INVALID_SOCKET) { return false; }
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
// CONNECT
if (is_ssl() && !proxy_host_.empty()) {
Response res2;
if (!detail::process_socket(
true, sock, 1, read_timeout_sec_, read_timeout_usec_,
[&](Stream &strm, bool /*last_connection*/,
bool &connection_close) {
Request req2;
req2.method = "CONNECT";
req2.path = host_and_port_;
return process_request(strm, req2, res2, false, connection_close);
})) {
detail::close_socket(sock);
return false;
}
if (res2.status == 407) {
if (!proxy_digest_auth_username_.empty() &&
!proxy_digest_auth_password_.empty()) {
std::map<std::string, std::string> auth;
if (parse_www_authenticate(res2, auth, true)) {
Response res2;
if (!detail::process_socket(
true, sock, 1, read_timeout_sec_, read_timeout_usec_,
[&](Stream &strm, bool /*last_connection*/,
bool &connection_close) {
Request req2;
req2.method = "CONNECT";
req2.path = host_and_port_;
req2.headers.insert(make_digest_authentication_header(
req2, auth, 1, random_string(10),
proxy_digest_auth_username_,
proxy_digest_auth_password_, true));
return process_request(strm, req2, res2, false,
connection_close);
})) {
detail::close_socket(sock);
return false;
}
}
} else {
res = res2;
return true;
}
}
bool error;
if (!connect(sock, res, error)) { return error; }
}
#endif
if (!process_and_close_socket(
sock, 1,
[&](Stream &strm, bool last_connection, bool &connection_close) {
if (!is_ssl() && !proxy_host_.empty()) {
auto req2 = req;
req2.path = "http://" + host_and_port_ + req.path;
return process_request(strm, req2, res, last_connection,
connection_close);
}
return process_request(strm, req, res, last_connection,
connection_close);
return process_and_close_socket(
sock, 1, [&](Stream &strm, bool last_connection, bool &connection_close) {
return handle_request(strm, req, res, last_connection,
connection_close);
});
}
inline bool Client::send(const std::vector<Request> &requests,
std::vector<Response> &responses) {
size_t i = 0;
while (i < requests.size()) {
auto sock = create_client_socket();
if (sock == INVALID_SOCKET) { return false; }
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
if (is_ssl() && !proxy_host_.empty()) {
Response res;
bool error;
if (!connect(sock, res, error)) { return false; }
}
#endif
if (!process_and_close_socket(sock, requests.size() - i,
[&](Stream &strm, bool last_connection,
bool &connection_close) -> bool {
auto &req = requests[i++];
auto res = Response();
auto ret = handle_request(strm, req, res,
last_connection,
connection_close);
if (ret) {
responses.emplace_back(std::move(res));
}
return ret;
})) {
return false;
}
}
return true;
}
inline bool Client::connect(socket_t sock, Response &res, bool &error) {
error = true;
Response res2;
if (!detail::process_socket(
true, sock, 1, read_timeout_sec_, read_timeout_usec_,
[&](Stream &strm, bool /*last_connection*/, bool &connection_close) {
Request req2;
req2.method = "CONNECT";
req2.path = host_and_port_;
return process_request(strm, req2, res2, false, connection_close);
})) {
detail::close_socket(sock);
error = false;
return false;
}
if (res2.status == 407) {
if (!proxy_digest_auth_username_.empty() &&
!proxy_digest_auth_password_.empty()) {
std::map<std::string, std::string> auth;
if (parse_www_authenticate(res2, auth, true)) {
Response res3;
if (!detail::process_socket(
true, sock, 1, read_timeout_sec_, read_timeout_usec_,
[&](Stream &strm, bool /*last_connection*/,
bool &connection_close) {
Request req3;
req3.method = "CONNECT";
req3.path = host_and_port_;
req3.headers.insert(make_digest_authentication_header(
req3, auth, 1, random_string(10),
proxy_digest_auth_username_, proxy_digest_auth_password_,
true));
return process_request(strm, req3, res3, false,
connection_close);
})) {
detail::close_socket(sock);
error = false;
return false;
}
}
} else {
res = res2;
return false;
}
}
return true;
}
inline bool Client::handle_request(Stream &strm, const Request &req,
Response &res, bool last_connection,
bool &connection_close) {
if (req.path.empty()) { return false; }
bool ret;
if (!is_ssl() && !proxy_host_.empty()) {
auto req2 = req;
req2.path = "http://" + host_and_port_ + req.path;
ret = process_request(strm, req2, res, last_connection, connection_close);
} else {
ret = process_request(strm, req, res, last_connection, connection_close);
}
if (!ret) { return false; }
if (300 < res.status && res.status < 400 && follow_location_) {
return redirect(req, res);
ret = redirect(req, res);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
@ -3537,50 +3589,14 @@ inline bool Client::send(const Request &req, Response &res) {
Response new_res;
auto ret = send(new_req, new_res);
ret = send(new_req, new_res);
if (ret) { res = new_res; }
return ret;
}
}
}
#endif
return true;
}
inline bool Client::send(const std::vector<Request> &requests,
std::vector<Response> &responses) {
size_t i = 0;
while (i < requests.size()) {
auto sock = create_client_socket();
if (sock == INVALID_SOCKET) { return false; }
if (!process_and_close_socket(
sock, requests.size() - i,
[&](Stream &strm, bool last_connection,
bool &connection_close) -> bool {
auto &req = requests[i];
auto res = Response();
i++;
if (req.path.empty()) { return false; }
auto ret = process_request(strm, req, res, last_connection,
connection_close);
if (ret && follow_location_ &&
(300 < res.status && res.status < 400)) {
ret = redirect(req, res);
}
if (ret) { responses.emplace_back(std::move(res)); }
return ret;
})) {
return false;
}
}
return true;
return ret;
}
inline bool Client::redirect(const Request &req, Response &res) {

View file

@ -514,7 +514,6 @@ TEST(DigestAuthTest, FromHTTPWatch) {
"/digest-auth/auth/hello/world/MD5",
"/digest-auth/auth/hello/world/SHA-256",
"/digest-auth/auth/hello/world/SHA-512",
"/digest-auth/auth-init/hello/world/MD5",
"/digest-auth/auth-int/hello/world/MD5",
};

View file

@ -36,7 +36,7 @@ TEST(ProxyTest, SSLDigest) {
// ----------------------------------------------------------------------------
void RedirectTestHTTPBin(Client& cli, const char *path, bool basic) {
void RedirectProxyText(Client& cli, const char *path, bool basic) {
cli.set_proxy("localhost", basic ? 3128 : 3129);
if (basic) {
cli.set_proxy_basic_auth("hello", "world");
@ -52,45 +52,45 @@ void RedirectTestHTTPBin(Client& cli, const char *path, bool basic) {
TEST(RedirectTest, HTTPBinNoSSLBasic) {
Client cli("httpbin.org");
RedirectTestHTTPBin(cli, "/redirect/2", true);
RedirectProxyText(cli, "/redirect/2", true);
}
TEST(RedirectTest, HTTPBinNoSSLDigest) {
Client cli("httpbin.org");
RedirectTestHTTPBin(cli, "/redirect/2", false);
RedirectProxyText(cli, "/redirect/2", false);
}
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
TEST(RedirectTest, HTTPBinSSLBasic) {
SSLClient cli("httpbin.org");
RedirectTestHTTPBin(cli, "/redirect/2", true);
RedirectProxyText(cli, "/redirect/2", true);
}
TEST(RedirectTest, HTTPBinSSLDigest) {
SSLClient cli("httpbin.org");
RedirectTestHTTPBin(cli, "/redirect/2", false);
RedirectProxyText(cli, "/redirect/2", false);
}
#endif
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
TEST(RedirectTest, YouTubeNoSSLBasic) {
Client cli("youtube.com");
RedirectTestHTTPBin(cli, "/", true);
RedirectProxyText(cli, "/", true);
}
TEST(RedirectTest, YouTubeNoSSLDigest) {
Client cli("youtube.com");
RedirectTestHTTPBin(cli, "/", false);
RedirectProxyText(cli, "/", false);
}
TEST(RedirectTest, YouTubeSSLBasic) {
SSLClient cli("youtube.com");
RedirectTestHTTPBin(cli, "/", true);
RedirectProxyText(cli, "/", true);
}
TEST(RedirectTest, YouTubeSSLDigest) {
SSLClient cli("youtube.com");
RedirectTestHTTPBin(cli, "/", false);
RedirectProxyText(cli, "/", false);
}
#endif
@ -111,8 +111,7 @@ void BaseAuthTestFromHTTPWatch(Client& cli) {
cli.Get("/basic-auth/hello/world",
{make_basic_authentication_header("hello", "world")});
ASSERT_TRUE(res != nullptr);
EXPECT_EQ(res->body,
"{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n");
EXPECT_EQ("{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n", res->body);
EXPECT_EQ(200, res->status);
}
@ -120,8 +119,7 @@ void BaseAuthTestFromHTTPWatch(Client& cli) {
cli.set_basic_auth("hello", "world");
auto res = cli.Get("/basic-auth/hello/world");
ASSERT_TRUE(res != nullptr);
EXPECT_EQ(res->body,
"{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n");
EXPECT_EQ("{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n", res->body);
EXPECT_EQ(200, res->status);
}
@ -150,6 +148,7 @@ TEST(BaseAuthTest, SSL) {
SSLClient cli("httpbin.org");
BaseAuthTestFromHTTPWatch(cli);
}
#endif
// ----------------------------------------------------------------------------
@ -169,7 +168,6 @@ void DigestAuthTestFromHTTPWatch(Client& cli) {
"/digest-auth/auth/hello/world/MD5",
"/digest-auth/auth/hello/world/SHA-256",
"/digest-auth/auth/hello/world/SHA-512",
"/digest-auth/auth-init/hello/world/MD5",
"/digest-auth/auth-int/hello/world/MD5",
};
@ -177,8 +175,7 @@ void DigestAuthTestFromHTTPWatch(Client& cli) {
for (auto path : paths) {
auto res = cli.Get(path.c_str());
ASSERT_TRUE(res != nullptr);
EXPECT_EQ(res->body,
"{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n");
EXPECT_EQ("{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n", res->body);
EXPECT_EQ(200, res->status);
}
@ -197,7 +194,6 @@ void DigestAuthTestFromHTTPWatch(Client& cli) {
}
}
}
#endif
TEST(DigestAuthTest, SSL) {
SSLClient cli("httpbin.org");
@ -209,3 +205,83 @@ TEST(DigestAuthTest, NoSSL) {
DigestAuthTestFromHTTPWatch(cli);
}
#endif
// ----------------------------------------------------------------------------
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
TEST(KeepAliveText, NoSSLWithDigest) {
Client cli("httpbin.org");
cli.set_keep_alive_max_count(4);
cli.set_follow_location(true);
cli.set_digest_auth("hello", "world");
cli.set_proxy("localhost", 3129);
cli.set_proxy_digest_auth("hello", "world");
std::vector<Request> requests;
Get(requests, "/get");
Get(requests, "/redirect/2");
Get(requests, "/digest-auth/auth/hello/world/MD5");
std::vector<Response> responses;
auto ret = cli.send(requests, responses);
ASSERT_TRUE(ret == true);
ASSERT_TRUE(requests.size() == responses.size());
auto i = 0;
{
auto &res = responses[i++];
EXPECT_EQ(200, res.status);
}
{
auto &res = responses[i++];
EXPECT_EQ(200, res.status);
}
{
auto &res = responses[i++];
EXPECT_EQ("{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n", res.body);
EXPECT_EQ(200, res.status);
}
}
TEST(KeepAliveText, SSLWithDigest) {
SSLClient cli("httpbin.org");
cli.set_keep_alive_max_count(4);
cli.set_follow_location(true);
cli.set_digest_auth("hello", "world");
cli.set_proxy("localhost", 3129);
cli.set_proxy_digest_auth("hello", "world");
std::vector<Request> requests;
Get(requests, "/get");
Get(requests, "/redirect/2");
Get(requests, "/digest-auth/auth/hello/world/MD5");
std::vector<Response> responses;
auto ret = cli.send(requests, responses);
ASSERT_TRUE(ret == true);
ASSERT_TRUE(requests.size() == responses.size());
auto i = 0;
{
auto &res = responses[i++];
EXPECT_EQ(200, res.status);
}
{
auto &res = responses[i++];
EXPECT_EQ(200, res.status);
}
{
auto &res = responses[i++];
EXPECT_EQ("{\n \"authenticated\": true, \n \"user\": \"hello\"\n}\n", res.body);
EXPECT_EQ(200, res.status);
}
}
#endif