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authorliushuyu <liushuyu011@gmail.com>2020-10-29 06:06:26 +0100
committerliushuyu <liushuyu011@gmail.com>2020-10-29 06:16:06 +0100
commitcf63eacc1a34924a01e7d8586fccb7d7561d2250 (patch)
treee54703cea2555e42126972628bd6a6d04216de38 /externals/httplib
parentMerge pull request #4856 from bunnei/webservice-socket-error (diff)
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Diffstat (limited to 'externals/httplib')
-rw-r--r--externals/httplib/README.md2
-rw-r--r--externals/httplib/httplib.h651
2 files changed, 441 insertions, 212 deletions
diff --git a/externals/httplib/README.md b/externals/httplib/README.md
index 73037d297..1940e446c 100644
--- a/externals/httplib/README.md
+++ b/externals/httplib/README.md
@@ -1,4 +1,4 @@
-From https://github.com/yhirose/cpp-httplib/tree/fce8e6fefdab4ad48bc5b25c98e5ebfda4f3cf53
+From https://github.com/yhirose/cpp-httplib/tree/ff5677ad197947177c158fe857caff4f0e242045 with https://github.com/yhirose/cpp-httplib/pull/701
MIT License
diff --git a/externals/httplib/httplib.h b/externals/httplib/httplib.h
index 5139b7f05..8982054e2 100644
--- a/externals/httplib/httplib.h
+++ b/externals/httplib/httplib.h
@@ -173,6 +173,7 @@ using socket_t = int;
#define INVALID_SOCKET (-1)
#endif //_WIN32
+#include <algorithm>
#include <array>
#include <atomic>
#include <cassert>
@@ -237,6 +238,27 @@ namespace httplib {
namespace detail {
+/*
+ * Backport std::make_unique from C++14.
+ *
+ * NOTE: This code came up with the following stackoverflow post:
+ * https://stackoverflow.com/questions/10149840/c-arrays-and-make-unique
+ *
+ */
+
+template <class T, class... Args>
+typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type
+make_unique(Args &&... args) {
+ return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+}
+
+template <class T>
+typename std::enable_if<std::is_array<T>::value, std::unique_ptr<T>>::type
+make_unique(std::size_t n) {
+ typedef typename std::remove_extent<T>::type RT;
+ return std::unique_ptr<T>(new RT[n]);
+}
+
struct ci {
bool operator()(const std::string &s1, const std::string &s2) const {
return std::lexicographical_compare(
@@ -304,6 +326,10 @@ using ContentProvider =
using ContentProviderWithoutLength =
std::function<bool(size_t offset, DataSink &sink)>;
+using ContentReceiverWithProgress =
+ std::function<bool(const char *data, size_t data_length, uint64_t offset,
+ uint64_t total_length)>;
+
using ContentReceiver =
std::function<bool(const char *data, size_t data_length)>;
@@ -317,14 +343,17 @@ public:
ContentReceiver receiver)>;
ContentReader(Reader reader, MultipartReader multipart_reader)
- : reader_(reader), multipart_reader_(multipart_reader) {}
+ : reader_(std::move(reader)),
+ multipart_reader_(std::move(multipart_reader)) {}
bool operator()(MultipartContentHeader header,
ContentReceiver receiver) const {
- return multipart_reader_(header, receiver);
+ return multipart_reader_(std::move(header), std::move(receiver));
}
- bool operator()(ContentReceiver receiver) const { return reader_(receiver); }
+ bool operator()(ContentReceiver receiver) const {
+ return reader_(std::move(receiver));
+ }
Reader reader_;
MultipartReader multipart_reader_;
@@ -353,7 +382,7 @@ struct Request {
// for client
size_t redirect_count = CPPHTTPLIB_REDIRECT_MAX_COUNT;
ResponseHandler response_handler;
- ContentReceiver content_receiver;
+ ContentReceiverWithProgress content_receiver;
size_t content_length = 0;
ContentProvider content_provider;
Progress progress;
@@ -475,7 +504,7 @@ public:
void enqueue(std::function<void()> fn) override {
std::unique_lock<std::mutex> lock(mutex_);
- jobs_.push_back(fn);
+ jobs_.push_back(std::move(fn));
cond_.notify_one();
}
@@ -664,8 +693,8 @@ private:
ContentReceiver multipart_receiver);
virtual bool process_and_close_socket(socket_t sock);
-
- struct MountPointEntry {
+
+ struct MountPointEntry {
std::string mount_point;
std::string base_dir;
Headers headers;
@@ -704,23 +733,27 @@ enum Error {
Canceled,
SSLConnection,
SSLLoadingCerts,
- SSLServerVerification
+ SSLServerVerification,
+ UnsupportedMultipartBoundaryChars
};
class Result {
public:
- Result(const std::shared_ptr<Response> &res, Error err)
- : res_(res), err_(err) {}
+ Result(std::unique_ptr<Response> res, Error err)
+ : res_(std::move(res)), err_(err) {}
operator bool() const { return res_ != nullptr; }
bool operator==(std::nullptr_t) const { return res_ == nullptr; }
bool operator!=(std::nullptr_t) const { return res_ != nullptr; }
const Response &value() const { return *res_; }
+ Response &value() { return *res_; }
const Response &operator*() const { return *res_; }
+ Response &operator*() { return *res_; }
const Response *operator->() const { return res_.get(); }
+ Response *operator->() { return res_.get(); }
Error error() const { return err_; }
private:
- std::shared_ptr<Response> res_;
+ std::unique_ptr<Response> res_;
Error err_;
};
@@ -777,6 +810,8 @@ public:
Result Post(const char *path, const MultipartFormDataItems &items);
Result Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items);
+ Result Post(const char *path, const Headers &headers,
+ const MultipartFormDataItems &items, const std::string &boundary);
Result Put(const char *path);
Result Put(const char *path, const std::string &body,
@@ -863,7 +898,21 @@ protected:
};
virtual bool create_and_connect_socket(Socket &socket);
- virtual void close_socket(Socket &socket, bool process_socket_ret);
+
+ // All of:
+ // shutdown_ssl
+ // shutdown_socket
+ // close_socket
+ // should ONLY be called when socket_mutex_ is locked.
+ // Also, shutdown_ssl and close_socket should also NOT be called concurrently
+ // with a DIFFERENT thread sending requests using that socket.
+ virtual void shutdown_ssl(Socket &socket, bool shutdown_gracefully);
+ void shutdown_socket(Socket &socket);
+ void close_socket(Socket &socket);
+
+ // Similar to shutdown_ssl and close_socket, this should NOT be called
+ // concurrently with a DIFFERENT thread sending requests from the socket
+ void lock_socket_and_shutdown_and_close();
bool process_request(Stream &strm, const Request &req, Response &res,
bool close_connection);
@@ -873,7 +922,7 @@ protected:
void copy_settings(const ClientImpl &rhs);
// Error state
- mutable Error error_ = Error::Success;
+ mutable std::atomic<Error> error_;
// Socket endoint information
const std::string host_;
@@ -885,6 +934,11 @@ protected:
mutable std::mutex socket_mutex_;
std::recursive_mutex request_mutex_;
+ // These are all protected under socket_mutex
+ int socket_requests_in_flight_ = 0;
+ std::thread::id socket_requests_are_from_thread_ = std::thread::id();
+ bool socket_should_be_closed_when_request_is_done_ = false;
+
// Default headers
Headers default_headers_;
@@ -942,13 +996,13 @@ private:
bool redirect(const Request &req, Response &res);
bool handle_request(Stream &strm, const Request &req, Response &res,
bool close_connection);
- void stop_core();
- std::shared_ptr<Response> send_with_content_provider(
+ std::unique_ptr<Response> send_with_content_provider(
const char *method, const char *path, const Headers &headers,
const std::string &body, size_t content_length,
ContentProvider content_provider, const char *content_type);
- virtual bool process_socket(Socket &socket,
+ // socket is const because this function is called when socket_mutex_ is not locked
+ virtual bool process_socket(const Socket &socket,
std::function<bool(Stream &strm)> callback);
virtual bool is_ssl() const;
};
@@ -1012,6 +1066,8 @@ public:
Result Post(const char *path, const MultipartFormDataItems &items);
Result Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items);
+ Result Post(const char *path, const Headers &headers,
+ const MultipartFormDataItems &items, const std::string &boundary);
Result Put(const char *path);
Result Put(const char *path, const std::string &body,
const char *content_type);
@@ -1098,7 +1154,7 @@ public:
#endif
private:
- std::shared_ptr<ClientImpl> cli_;
+ std::unique_ptr<ClientImpl> cli_;
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
bool is_ssl_ = false;
@@ -1154,9 +1210,9 @@ public:
private:
bool create_and_connect_socket(Socket &socket) override;
- void close_socket(Socket &socket, bool process_socket_ret) override;
+ void shutdown_ssl(Socket &socket, bool shutdown_gracefully) override;
- bool process_socket(Socket &socket,
+ bool process_socket(const Socket &socket,
std::function<bool(Stream &strm)> callback) override;
bool is_ssl() const override;
@@ -1942,9 +1998,9 @@ inline socket_t create_client_socket(const char *host, int port,
bool tcp_nodelay,
SocketOptions socket_options,
time_t timeout_sec, time_t timeout_usec,
- const std::string &intf, Error &error) {
+ const std::string &intf, std::atomic<Error> &error) {
auto sock = create_socket(
- host, port, 0, tcp_nodelay, socket_options,
+ host, port, 0, tcp_nodelay, std::move(socket_options),
[&](socket_t sock, struct addrinfo &ai) -> bool {
if (!intf.empty()) {
#ifdef USE_IF2IP
@@ -2478,7 +2534,8 @@ inline bool read_headers(Stream &strm, Headers &headers) {
}
inline bool read_content_with_length(Stream &strm, uint64_t len,
- Progress progress, ContentReceiver out) {
+ Progress progress,
+ ContentReceiverWithProgress out) {
char buf[CPPHTTPLIB_RECV_BUFSIZ];
uint64_t r = 0;
@@ -2487,8 +2544,7 @@ inline bool read_content_with_length(Stream &strm, uint64_t len,
auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ));
if (n <= 0) { return false; }
- if (!out(buf, static_cast<size_t>(n))) { return false; }
-
+ if (!out(buf, static_cast<size_t>(n), r, len)) { return false; }
r += static_cast<uint64_t>(n);
if (progress) {
@@ -2510,8 +2566,10 @@ inline void skip_content_with_length(Stream &strm, uint64_t len) {
}
}
-inline bool read_content_without_length(Stream &strm, ContentReceiver out) {
+inline bool read_content_without_length(Stream &strm,
+ ContentReceiverWithProgress out) {
char buf[CPPHTTPLIB_RECV_BUFSIZ];
+ uint64_t r = 0;
for (;;) {
auto n = strm.read(buf, CPPHTTPLIB_RECV_BUFSIZ);
if (n < 0) {
@@ -2519,13 +2577,16 @@ inline bool read_content_without_length(Stream &strm, ContentReceiver out) {
} else if (n == 0) {
return true;
}
- if (!out(buf, static_cast<size_t>(n))) { return false; }
+
+ if (!out(buf, static_cast<size_t>(n), r, 0)) { return false; }
+ r += static_cast<uint64_t>(n);
}
return true;
}
-inline bool read_content_chunked(Stream &strm, ContentReceiver out) {
+inline bool read_content_chunked(Stream &strm,
+ ContentReceiverWithProgress out) {
const auto bufsiz = 16;
char buf[bufsiz];
@@ -2570,23 +2631,24 @@ inline bool is_chunked_transfer_encoding(const Headers &headers) {
}
template <typename T, typename U>
-bool prepare_content_receiver(T &x, int &status, ContentReceiver receiver,
+bool prepare_content_receiver(T &x, int &status,
+ ContentReceiverWithProgress receiver,
bool decompress, U callback) {
if (decompress) {
std::string encoding = x.get_header_value("Content-Encoding");
- std::shared_ptr<decompressor> decompressor;
+ std::unique_ptr<decompressor> decompressor;
if (encoding.find("gzip") != std::string::npos ||
encoding.find("deflate") != std::string::npos) {
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
- decompressor = std::make_shared<gzip_decompressor>();
+ decompressor = detail::make_unique<gzip_decompressor>();
#else
status = 415;
return false;
#endif
} else if (encoding.find("br") != std::string::npos) {
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
- decompressor = std::make_shared<brotli_decompressor>();
+ decompressor = detail::make_unique<brotli_decompressor>();
#else
status = 415;
return false;
@@ -2595,12 +2657,14 @@ bool prepare_content_receiver(T &x, int &status, ContentReceiver receiver,
if (decompressor) {
if (decompressor->is_valid()) {
- ContentReceiver out = [&](const char *buf, size_t n) {
- return decompressor->decompress(
- buf, n,
- [&](const char *buf, size_t n) { return receiver(buf, n); });
+ ContentReceiverWithProgress out = [&](const char *buf, size_t n,
+ uint64_t off, uint64_t len) {
+ return decompressor->decompress(buf, n,
+ [&](const char *buf, size_t n) {
+ return receiver(buf, n, off, len);
+ });
};
- return callback(out);
+ return callback(std::move(out));
} else {
status = 500;
return false;
@@ -2608,18 +2672,20 @@ bool prepare_content_receiver(T &x, int &status, ContentReceiver receiver,
}
}
- ContentReceiver out = [&](const char *buf, size_t n) {
- return receiver(buf, n);
+ ContentReceiverWithProgress out = [&](const char *buf, size_t n, uint64_t off,
+ uint64_t len) {
+ return receiver(buf, n, off, len);
};
- return callback(out);
+ return callback(std::move(out));
}
template <typename T>
bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status,
- Progress progress, ContentReceiver receiver,
+ Progress progress, ContentReceiverWithProgress receiver,
bool decompress) {
return prepare_content_receiver(
- x, status, receiver, decompress, [&](const ContentReceiver &out) {
+ x, status, std::move(receiver), decompress,
+ [&](const ContentReceiverWithProgress &out) {
auto ret = true;
auto exceed_payload_max_length = false;
@@ -2634,7 +2700,7 @@ bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status,
skip_content_with_length(strm, len);
ret = false;
} else if (len > 0) {
- ret = read_content_with_length(strm, len, progress, out);
+ ret = read_content_with_length(strm, len, std::move(progress), out);
}
}
@@ -2875,7 +2941,7 @@ inline bool parse_multipart_boundary(const std::string &content_type,
return !boundary.empty();
}
-inline bool parse_range_header(const std::string &s, Ranges &ranges) {
+inline bool parse_range_header(const std::string &s, Ranges &ranges) try {
static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))");
std::smatch m;
if (std::regex_match(s, m, re_first_range)) {
@@ -2907,7 +2973,7 @@ inline bool parse_range_header(const std::string &s, Ranges &ranges) {
return all_valid_ranges;
}
return false;
-}
+} catch (...) { return false; }
class MultipartFormDataParser {
public:
@@ -2918,7 +2984,8 @@ public:
bool is_valid() const { return is_valid_; }
template <typename T, typename U>
- bool parse(const char *buf, size_t n, T content_callback, U header_callback) {
+ bool parse(const char *buf, size_t n, const T &content_callback,
+ const U &header_callback) {
static const std::regex re_content_disposition(
"^Content-Disposition:\\s*form-data;\\s*name=\"(.*?)\"(?:;\\s*filename="
@@ -3090,8 +3157,13 @@ inline std::string make_multipart_data_boundary() {
static const char data[] =
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+ // std::random_device might actually be deterministic on some
+ // platforms, but due to lack of support in the c++ standard library,
+ // doing better requires either some ugly hacks or breaking portability.
std::random_device seed_gen;
- std::mt19937 engine(seed_gen());
+ // Request 128 bits of entropy for initialization
+ std::seed_seq seed_sequence{seed_gen(), seed_gen(), seed_gen(), seed_gen()};
+ std::mt19937 engine(seed_sequence);
std::string result = "--cpp-httplib-multipart-data-";
@@ -3114,7 +3186,7 @@ get_range_offset_and_length(const Request &req, size_t content_length,
auto slen = static_cast<ssize_t>(content_length);
if (r.first == -1) {
- r.first = slen - r.second;
+ r.first = (std::max)(static_cast<ssize_t>(0), slen - r.second);
r.second = slen - 1;
}
@@ -3451,7 +3523,7 @@ inline std::pair<std::string, std::string> make_range_header(Ranges ranges) {
if (r.second != -1) { field += std::to_string(r.second); }
i++;
}
- return std::make_pair("Range", field);
+ return std::make_pair("Range", std::move(field));
}
inline std::pair<std::string, std::string>
@@ -3460,7 +3532,7 @@ make_basic_authentication_header(const std::string &username,
bool is_proxy = false) {
auto field = "Basic " + detail::base64_encode(username + ":" + password);
auto key = is_proxy ? "Proxy-Authorization" : "Authorization";
- return std::make_pair(key, field);
+ return std::make_pair(key, std::move(field));
}
inline std::pair<std::string, std::string>
@@ -3468,7 +3540,7 @@ make_bearer_token_authentication_header(const std::string &token,
bool is_proxy = false) {
auto field = "Bearer " + token;
auto key = is_proxy ? "Proxy-Authorization" : "Authorization";
- return std::make_pair(key, field);
+ return std::make_pair(key, std::move(field));
}
// Request implementation
@@ -3761,60 +3833,66 @@ inline Server::Server()
inline Server::~Server() {}
inline Server &Server::Get(const char *pattern, Handler handler) {
- get_handlers_.push_back(std::make_pair(std::regex(pattern), handler));
+ get_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Post(const char *pattern, Handler handler) {
- post_handlers_.push_back(std::make_pair(std::regex(pattern), handler));
+ post_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Post(const char *pattern,
HandlerWithContentReader handler) {
post_handlers_for_content_reader_.push_back(
- std::make_pair(std::regex(pattern), handler));
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Put(const char *pattern, Handler handler) {
- put_handlers_.push_back(std::make_pair(std::regex(pattern), handler));
+ put_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Put(const char *pattern,
HandlerWithContentReader handler) {
put_handlers_for_content_reader_.push_back(
- std::make_pair(std::regex(pattern), handler));
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Patch(const char *pattern, Handler handler) {
- patch_handlers_.push_back(std::make_pair(std::regex(pattern), handler));
+ patch_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Patch(const char *pattern,
HandlerWithContentReader handler) {
patch_handlers_for_content_reader_.push_back(
- std::make_pair(std::regex(pattern), handler));
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Delete(const char *pattern, Handler handler) {
- delete_handlers_.push_back(std::make_pair(std::regex(pattern), handler));
+ delete_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Delete(const char *pattern,
HandlerWithContentReader handler) {
delete_handlers_for_content_reader_.push_back(
- std::make_pair(std::regex(pattern), handler));
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
inline Server &Server::Options(const char *pattern, Handler handler) {
- options_handlers_.push_back(std::make_pair(std::regex(pattern), handler));
+ options_handlers_.push_back(
+ std::make_pair(std::regex(pattern), std::move(handler)));
return *this;
}
@@ -3860,7 +3938,7 @@ inline void Server::set_error_handler(Handler handler) {
inline void Server::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; }
inline void Server::set_socket_options(SocketOptions socket_options) {
- socket_options_ = socket_options;
+ socket_options_ = std::move(socket_options);
}
inline void Server::set_logger(Logger logger) { logger_ = std::move(logger); }
@@ -4045,16 +4123,16 @@ inline bool Server::write_response(Stream &strm, bool close_connection,
}
if (type != detail::EncodingType::None) {
- std::shared_ptr<detail::compressor> compressor;
+ std::unique_ptr<detail::compressor> compressor;
if (type == detail::EncodingType::Gzip) {
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
- compressor = std::make_shared<detail::gzip_compressor>();
+ compressor = detail::make_unique<detail::gzip_compressor>();
res.set_header("Content-Encoding", "gzip");
#endif
} else if (type == detail::EncodingType::Brotli) {
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
- compressor = std::make_shared<detail::brotli_compressor>();
+ compressor = detail::make_unique<detail::brotli_compressor>();
res.set_header("Content-Encoding", "brotli");
#endif
}
@@ -4136,17 +4214,17 @@ Server::write_content_with_provider(Stream &strm, const Request &req,
if (res.is_chunked_content_provider) {
auto type = detail::encoding_type(req, res);
- std::shared_ptr<detail::compressor> compressor;
+ std::unique_ptr<detail::compressor> compressor;
if (type == detail::EncodingType::Gzip) {
#ifdef CPPHTTPLIB_ZLIB_SUPPORT
- compressor = std::make_shared<detail::gzip_compressor>();
+ compressor = detail::make_unique<detail::gzip_compressor>();
#endif
} else if (type == detail::EncodingType::Brotli) {
#ifdef CPPHTTPLIB_BROTLI_SUPPORT
- compressor = std::make_shared<detail::brotli_compressor>();
+ compressor = detail::make_unique<detail::brotli_compressor>();
#endif
} else {
- compressor = std::make_shared<detail::nocompressor>();
+ compressor = detail::make_unique<detail::nocompressor>();
}
assert(compressor != nullptr);
@@ -4198,8 +4276,9 @@ inline bool Server::read_content_with_content_receiver(
Stream &strm, Request &req, Response &res, ContentReceiver receiver,
MultipartContentHeader multipart_header,
ContentReceiver multipart_receiver) {
- return read_content_core(strm, req, res, receiver, multipart_header,
- multipart_receiver);
+ return read_content_core(strm, req, res, std::move(receiver),
+ std::move(multipart_header),
+ std::move(multipart_receiver));
}
inline bool Server::read_content_core(Stream &strm, Request &req, Response &res,
@@ -4207,7 +4286,7 @@ inline bool Server::read_content_core(Stream &strm, Request &req, Response &res,
MultipartContentHeader mulitpart_header,
ContentReceiver multipart_receiver) {
detail::MultipartFormDataParser multipart_form_data_parser;
- ContentReceiver out;
+ ContentReceiverWithProgress out;
if (req.is_multipart_form_data()) {
const auto &content_type = req.get_header_value("Content-Type");
@@ -4218,7 +4297,7 @@ inline bool Server::read_content_core(Stream &strm, Request &req, Response &res,
}
multipart_form_data_parser.set_boundary(std::move(boundary));
- out = [&](const char *buf, size_t n) {
+ out = [&](const char *buf, size_t n, uint64_t /*off*/, uint64_t /*len*/) {
/* For debug
size_t pos = 0;
while (pos < n) {
@@ -4234,7 +4313,8 @@ inline bool Server::read_content_core(Stream &strm, Request &req, Response &res,
mulitpart_header);
};
} else {
- out = receiver;
+ out = [receiver](const char *buf, size_t n, uint64_t /*off*/,
+ uint64_t /*len*/) { return receiver(buf, n); };
}
if (req.method == "DELETE" && !req.has_header("Content-Length")) {
@@ -4271,7 +4351,7 @@ inline bool Server::handle_file_request(Request &req, Response &res,
auto type =
detail::find_content_type(path, file_extension_and_mimetype_map_);
if (type) { res.set_header("Content-Type", type); }
- for (const auto& kv : entry.headers) {
+ for (const auto &kv : entry.headers) {
res.set_header(kv.first.c_str(), kv.second);
}
res.status = 200;
@@ -4290,7 +4370,7 @@ inline socket_t
Server::create_server_socket(const char *host, int port, int socket_flags,
SocketOptions socket_options) const {
return detail::create_socket(
- host, port, socket_flags, tcp_nodelay_, socket_options,
+ host, port, socket_flags, tcp_nodelay_, std::move(socket_options),
[](socket_t sock, struct addrinfo &ai) -> bool {
if (::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) {
return false;
@@ -4392,32 +4472,37 @@ inline bool Server::routing(Request &req, Response &res, Stream &strm) {
{
ContentReader reader(
[&](ContentReceiver receiver) {
- return read_content_with_content_receiver(strm, req, res, receiver,
- nullptr, nullptr);
+ return read_content_with_content_receiver(
+ strm, req, res, std::move(receiver), nullptr, nullptr);
},
[&](MultipartContentHeader header, ContentReceiver receiver) {
return read_content_with_content_receiver(strm, req, res, nullptr,
- header, receiver);
+ std::move(header),
+ std::move(receiver));
});
if (req.method == "POST") {
if (dispatch_request_for_content_reader(
- req, res, reader, post_handlers_for_content_reader_)) {
+ req, res, std::move(reader),
+ post_handlers_for_content_reader_)) {
return true;
}
} else if (req.method == "PUT") {
if (dispatch_request_for_content_reader(
- req, res, reader, put_handlers_for_content_reader_)) {
+ req, res, std::move(reader),
+ put_handlers_for_content_reader_)) {
return true;
}
} else if (req.method == "PATCH") {
if (dispatch_request_for_content_reader(
- req, res, reader, patch_handlers_for_content_reader_)) {
+ req, res, std::move(reader),
+ patch_handlers_for_content_reader_)) {
return true;
}
} else if (req.method == "DELETE") {
if (dispatch_request_for_content_reader(
- req, res, reader, delete_handlers_for_content_reader_)) {
+ req, res, std::move(reader),
+ delete_handlers_for_content_reader_)) {
return true;
}
}
@@ -4448,7 +4533,6 @@ inline bool Server::routing(Request &req, Response &res, Stream &strm) {
inline bool Server::dispatch_request(Request &req, Response &res,
const Handlers &handlers) {
-
try {
for (const auto &x : handlers) {
const auto &pattern = x.first;
@@ -4531,7 +4615,8 @@ Server::process_request(Stream &strm, bool close_connection,
if (req.has_header("Range")) {
const auto &range_header_value = req.get_header_value("Range");
if (!detail::parse_range_header(range_header_value, req.ranges)) {
- // TODO: error
+ res.status = 416;
+ return write_response(strm, close_connection, req, res);
}
}
@@ -4588,11 +4673,11 @@ inline ClientImpl::ClientImpl(const std::string &host, int port)
inline ClientImpl::ClientImpl(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path)
- : host_(host), port_(port),
+ : error_(Error::Success), host_(host), port_(port),
host_and_port_(host_ + ":" + std::to_string(port_)),
client_cert_path_(client_cert_path), client_key_path_(client_key_path) {}
-inline ClientImpl::~ClientImpl() { stop_core(); }
+inline ClientImpl::~ClientImpl() { lock_socket_and_shutdown_and_close(); }
inline bool ClientImpl::is_valid() const { return true; }
@@ -4653,15 +4738,47 @@ inline bool ClientImpl::create_and_connect_socket(Socket &socket) {
return true;
}
-inline void ClientImpl::close_socket(Socket &socket,
- bool /*process_socket_ret*/) {
- detail::close_socket(socket.sock);
- socket_.sock = INVALID_SOCKET;
+inline void ClientImpl::shutdown_ssl(Socket &socket, bool shutdown_gracefully) {
+ (void)socket;
+ (void)shutdown_gracefully;
+ //If there are any requests in flight from threads other than us, then it's
+ //a thread-unsafe race because individual ssl* objects are not thread-safe.
+ assert(socket_requests_in_flight_ == 0 ||
+ socket_requests_are_from_thread_ == std::this_thread::get_id());
+}
+
+inline void ClientImpl::shutdown_socket(Socket &socket) {
+ if (socket.sock == INVALID_SOCKET)
+ return;
+ detail::shutdown_socket(socket.sock);
+}
+
+inline void ClientImpl::close_socket(Socket &socket) {
+ // If there are requests in flight in another thread, usually closing
+ // the socket will be fine and they will simply receive an error when
+ // using the closed socket, but it is still a bug since rarely the OS
+ // may reassign the socket id to be used for a new socket, and then
+ // suddenly they will be operating on a live socket that is different
+ // than the one they intended!
+ assert(socket_requests_in_flight_ == 0 ||
+ socket_requests_are_from_thread_ == std::this_thread::get_id());
+ // It is also a bug if this happens while SSL is still active
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
- socket_.ssl = nullptr;
+ assert(socket.ssl == nullptr);
#endif
+ if (socket.sock == INVALID_SOCKET)
+ return;
+ detail::close_socket(socket.sock);
+ socket.sock = INVALID_SOCKET;
}
+inline void ClientImpl::lock_socket_and_shutdown_and_close() {
+ std::lock_guard<std::mutex> guard(socket_mutex_);
+ shutdown_ssl(socket_, true);
+ shutdown_socket(socket_);
+ close_socket(socket_);
+}
+
inline bool ClientImpl::read_response_line(Stream &strm, Response &res) {
std::array<char, 2048> buf;
@@ -4696,11 +4813,23 @@ inline bool ClientImpl::send(const Request &req, Response &res) {
{
std::lock_guard<std::mutex> guard(socket_mutex_);
+ // Set this to false immediately - if it ever gets set to true by the end of the
+ // request, we know another thread instructed us to close the socket.
+ socket_should_be_closed_when_request_is_done_ = false;
auto is_alive = false;
if (socket_.is_open()) {
is_alive = detail::select_write(socket_.sock, 0, 0) > 0;
- if (!is_alive) { close_socket(socket_, false); }
+ if (!is_alive) {
+ // Attempt to avoid sigpipe by shutting down nongracefully if it seems like
+ // the other side has already closed the connection
+ // Also, there cannot be any requests in flight from other threads since we locked
+ // request_mutex_, so safe to close everything immediately
+ const bool shutdown_gracefully = false;
+ shutdown_ssl(socket_, shutdown_gracefully);
+ shutdown_socket(socket_);
+ close_socket(socket_);
+ }
}
if (!is_alive) {
@@ -4721,15 +4850,38 @@ inline bool ClientImpl::send(const Request &req, Response &res) {
}
#endif
}
+
+ // Mark the current socket as being in use so that it cannot be closed by anyone
+ // else while this request is ongoing, even though we will be releasing the mutex.
+ if (socket_requests_in_flight_ > 1) {
+ assert(socket_requests_are_from_thread_ == std::this_thread::get_id());
+ }
+ socket_requests_in_flight_ += 1;
+ socket_requests_are_from_thread_ = std::this_thread::get_id();
}
auto close_connection = !keep_alive_;
-
auto ret = process_socket(socket_, [&](Stream &strm) {
return handle_request(strm, req, res, close_connection);
});
- if (close_connection || !ret) { stop_core(); }
+ //Briefly lock mutex in order to mark that a request is no longer ongoing
+ {
+ std::lock_guard<std::mutex> guard(socket_mutex_);
+ socket_requests_in_flight_ -= 1;
+ if (socket_requests_in_flight_ <= 0) {
+ assert(socket_requests_in_flight_ == 0);
+ socket_requests_are_from_thread_ = std::thread::id();
+ }
+
+ if (socket_should_be_closed_when_request_is_done_ ||
+ close_connection ||
+ !ret ) {
+ shutdown_ssl(socket_, true);
+ shutdown_socket(socket_);
+ close_socket(socket_);
+ }
+ }
if (!ret) {
if (error_ == Error::Success) { error_ = Error::Unknown; }
@@ -4973,7 +5125,7 @@ inline bool ClientImpl::write_request(Stream &strm, const Request &req,
return true;
}
-inline std::shared_ptr<Response> ClientImpl::send_with_content_provider(
+inline std::unique_ptr<Response> ClientImpl::send_with_content_provider(
const char *method, const char *path, const Headers &headers,
const std::string &body, size_t content_length,
ContentProvider content_provider, const char *content_type) {
@@ -5036,15 +5188,15 @@ inline std::shared_ptr<Response> ClientImpl::send_with_content_provider(
{
if (content_provider) {
req.content_length = content_length;
- req.content_provider = content_provider;
+ req.content_provider = std::move(content_provider);
} else {
req.body = body;
}
}
- auto res = std::make_shared<Response>();
+ auto res = detail::make_unique<Response>();
- return send(req, *res) ? res : nullptr;
+ return send(req, *res) ? std::move(res) : nullptr;
}
inline bool ClientImpl::process_request(Stream &strm, const Request &req,
@@ -5070,16 +5222,21 @@ inline bool ClientImpl::process_request(Stream &strm, const Request &req,
if (req.method != "HEAD" && req.method != "CONNECT") {
auto out =
req.content_receiver
- ? static_cast<ContentReceiver>([&](const char *buf, size_t n) {
- auto ret = req.content_receiver(buf, n);
- if (!ret) { error_ = Error::Canceled; }
- return ret;
- })
- : static_cast<ContentReceiver>([&](const char *buf, size_t n) {
- if (res.body.size() + n > res.body.max_size()) { return false; }
- res.body.append(buf, n);
- return true;
- });
+ ? static_cast<ContentReceiverWithProgress>(
+ [&](const char *buf, size_t n, uint64_t off, uint64_t len) {
+ auto ret = req.content_receiver(buf, n, off, len);
+ if (!ret) { error_ = Error::Canceled; }
+ return ret;
+ })
+ : static_cast<ContentReceiverWithProgress>(
+ [&](const char *buf, size_t n, uint64_t /*off*/,
+ uint64_t /*len*/) {
+ if (res.body.size() + n > res.body.max_size()) {
+ return false;
+ }
+ res.body.append(buf, n);
+ return true;
+ });
auto progress = [&](uint64_t current, uint64_t total) {
if (!req.progress) { return true; }
@@ -5090,7 +5247,8 @@ inline bool ClientImpl::process_request(Stream &strm, const Request &req,
int dummy_status;
if (!detail::read_content(strm, res, (std::numeric_limits<size_t>::max)(),
- dummy_status, progress, out, decompress_)) {
+ dummy_status, std::move(progress), std::move(out),
+ decompress_)) {
if (error_ != Error::Canceled) { error_ = Error::Read; }
return false;
}
@@ -5098,7 +5256,16 @@ inline bool ClientImpl::process_request(Stream &strm, const Request &req,
if (res.get_header_value("Connection") == "close" ||
(res.version == "HTTP/1.0" && res.reason != "Connection established")) {
- stop_core();
+ // TODO this requires a not-entirely-obvious chain of calls to be correct
+ // for this to be safe. Maybe a code refactor (such as moving this out to
+ // the send function and getting rid of the recursiveness of the mutex)
+ // could make this more obvious.
+
+ // This is safe to call because process_request is only called by handle_request
+ // which is only called by send, which locks the request mutex during the process.
+ // It would be a bug to call it from a different thread since it's a thread-safety
+ // issue to do these things to the socket if another thread is using the socket.
+ lock_socket_and_shutdown_and_close();
}
// Log
@@ -5108,11 +5275,11 @@ inline bool ClientImpl::process_request(Stream &strm, const Request &req,
}
inline bool
-ClientImpl::process_socket(Socket &socket,
+ClientImpl::process_socket(const Socket &socket,
std::function<bool(Stream &strm)> callback) {
- return detail::process_client_socket(socket.sock, read_timeout_sec_,
- read_timeout_usec_, write_timeout_sec_,
- write_timeout_usec_, callback);
+ return detail::process_client_socket(
+ socket.sock, read_timeout_sec_, read_timeout_usec_, write_timeout_sec_,
+ write_timeout_usec_, std::move(callback));
}
inline bool ClientImpl::is_ssl() const { return false; }
@@ -5138,9 +5305,9 @@ inline Result ClientImpl::Get(const char *path, const Headers &headers,
req.headers.insert(headers.begin(), headers.end());
req.progress = std::move(progress);
- auto res = std::make_shared<Response>();
+ auto res = detail::make_unique<Response>();
auto ret = send(req, *res);
- return Result{ret ? res : nullptr, get_last_error()};
+ return Result{ret ? std::move(res) : nullptr, get_last_error()};
}
inline Result ClientImpl::Get(const char *path,
@@ -5170,23 +5337,23 @@ inline Result ClientImpl::Get(const char *path, const Headers &headers,
inline Result ClientImpl::Get(const char *path,
ResponseHandler response_handler,
ContentReceiver content_receiver) {
- return Get(path, Headers(), std::move(response_handler), content_receiver,
- nullptr);
+ return Get(path, Headers(), std::move(response_handler),
+ std::move(content_receiver), nullptr);
}
inline Result ClientImpl::Get(const char *path, const Headers &headers,
ResponseHandler response_handler,
ContentReceiver content_receiver) {
- return Get(path, headers, std::move(response_handler), content_receiver,
- nullptr);
+ return Get(path, headers, std::move(response_handler),
+ std::move(content_receiver), nullptr);
}
inline Result ClientImpl::Get(const char *path,
ResponseHandler response_handler,
ContentReceiver content_receiver,
Progress progress) {
- return Get(path, Headers(), std::move(response_handler), content_receiver,
- progress);
+ return Get(path, Headers(), std::move(response_handler),
+ std::move(content_receiver), std::move(progress));
}
inline Result ClientImpl::Get(const char *path, const Headers &headers,
@@ -5199,12 +5366,16 @@ inline Result ClientImpl::Get(const char *path, const Headers &headers,
req.headers = default_headers_;
req.headers.insert(headers.begin(), headers.end());
req.response_handler = std::move(response_handler);
- req.content_receiver = std::move(content_receiver);
+ req.content_receiver =
+ [content_receiver](const char *data, size_t data_length,
+ uint64_t /*offset*/, uint64_t /*total_length*/) {
+ return content_receiver(data, data_length);
+ };
req.progress = std::move(progress);
- auto res = std::make_shared<Response>();
+ auto res = detail::make_unique<Response>();
auto ret = send(req, *res);
- return Result{ret ? res : nullptr, get_last_error()};
+ return Result{ret ? std::move(res) : nullptr, get_last_error()};
}
inline Result ClientImpl::Head(const char *path) {
@@ -5218,9 +5389,9 @@ inline Result ClientImpl::Head(const char *path, const Headers &headers) {
req.headers.insert(headers.begin(), headers.end());
req.path = path;
- auto res = std::make_shared<Response>();
+ auto res = detail::make_unique<Response>();
auto ret = send(req, *res);
- return Result{ret ? res : nullptr, get_last_error()};
+ return Result{ret ? std::move(res) : nullptr, get_last_error()};
}
inline Result ClientImpl::Post(const char *path) {
@@ -5237,7 +5408,7 @@ inline Result ClientImpl::Post(const char *path, const Headers &headers,
const char *content_type) {
auto ret = send_with_content_provider("POST", path, headers, body, 0, nullptr,
content_type);
- return Result{ret, get_last_error()};
+ return Result{std::move(ret), get_last_error()};
}
inline Result ClientImpl::Post(const char *path, const Params &params) {
@@ -5247,17 +5418,18 @@ inline Result ClientImpl::Post(const char *path, const Params &params) {
inline Result ClientImpl::Post(const char *path, size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return Post(path, Headers(), content_length, content_provider, content_type);
+ return Post(path, Headers(), content_length, std::move(content_provider),
+ content_type);
}
inline Result ClientImpl::Post(const char *path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- auto ret = send_with_content_provider("POST", path, headers, std::string(),
- content_length, content_provider,
- content_type);
- return Result{ret, get_last_error()};
+ auto ret = send_with_content_provider(
+ "POST", path, headers, std::string(), content_length,
+ std::move(content_provider), content_type);
+ return Result{std::move(ret), get_last_error()};
}
inline Result ClientImpl::Post(const char *path, const Headers &headers,
@@ -5273,7 +5445,18 @@ inline Result ClientImpl::Post(const char *path,
inline Result ClientImpl::Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items) {
- auto boundary = detail::make_multipart_data_boundary();
+ return Post(path, headers, items, detail::make_multipart_data_boundary());
+}
+inline Result ClientImpl::Post(const char *path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const std::string &boundary) {
+ for (size_t i = 0; i < boundary.size(); i++) {
+ char c = boundary[i];
+ if (!std::isalnum(c) && c != '-' && c != '_') {
+ error_ = Error::UnsupportedMultipartBoundaryChars;
+ return Result{nullptr, error_};
+ }
+ }
std::string body;
@@ -5311,23 +5494,24 @@ inline Result ClientImpl::Put(const char *path, const Headers &headers,
const char *content_type) {
auto ret = send_with_content_provider("PUT", path, headers, body, 0, nullptr,
content_type);
- return Result{ret, get_last_error()};
+ return Result{std::move(ret), get_last_error()};
}
inline Result ClientImpl::Put(const char *path, size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return Put(path, Headers(), content_length, content_provider, content_type);
+ return Put(path, Headers(), content_length, std::move(content_provider),
+ content_type);
}
inline Result ClientImpl::Put(const char *path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- auto ret = send_with_content_provider("PUT", path, headers, std::string(),
- content_length, content_provider,
- content_type);
- return Result{ret, get_last_error()};
+ auto ret = send_with_content_provider(
+ "PUT", path, headers, std::string(), content_length,
+ std::move(content_provider), content_type);
+ return Result{std::move(ret), get_last_error()};
}
inline Result ClientImpl::Put(const char *path, const Params &params) {
@@ -5350,23 +5534,24 @@ inline Result ClientImpl::Patch(const char *path, const Headers &headers,
const char *content_type) {
auto ret = send_with_content_provider("PATCH", path, headers, body, 0,
nullptr, content_type);
- return Result{ret, get_last_error()};
+ return Result{std::move(ret), get_last_error()};
}
inline Result ClientImpl::Patch(const char *path, size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return Patch(path, Headers(), content_length, content_provider, content_type);
+ return Patch(path, Headers(), content_length, std::move(content_provider),
+ content_type);
}
inline Result ClientImpl::Patch(const char *path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- auto ret = send_with_content_provider("PATCH", path, headers, std::string(),
- content_length, content_provider,
- content_type);
- return Result{ret, get_last_error()};
+ auto ret = send_with_content_provider(
+ "PATCH", path, headers, std::string(), content_length,
+ std::move(content_provider), content_type);
+ return Result{std::move(ret), get_last_error()};
}
inline Result ClientImpl::Delete(const char *path) {
@@ -5394,9 +5579,9 @@ inline Result ClientImpl::Delete(const char *path, const Headers &headers,
if (content_type) { req.headers.emplace("Content-Type", content_type); }
req.body = body;
- auto res = std::make_shared<Response>();
+ auto res = detail::make_unique<Response>();
auto ret = send(req, *res);
- return Result{ret ? res : nullptr, get_last_error()};
+ return Result{ret ? std::move(res) : nullptr, get_last_error()};
}
inline Result ClientImpl::Options(const char *path) {
@@ -5410,9 +5595,9 @@ inline Result ClientImpl::Options(const char *path, const Headers &headers) {
req.headers.insert(headers.begin(), headers.end());
req.path = path;
- auto res = std::make_shared<Response>();
+ auto res = detail::make_unique<Response>();
auto ret = send(req, *res);
- return Result{ret ? res : nullptr, get_last_error()};
+ return Result{ret ? std::move(res) : nullptr, get_last_error()};
}
inline size_t ClientImpl::is_socket_open() const {
@@ -5421,18 +5606,27 @@ inline size_t ClientImpl::is_socket_open() const {
}
inline void ClientImpl::stop() {
- stop_core();
- error_ = Error::Canceled;
-}
-
-inline void ClientImpl::stop_core() {
std::lock_guard<std::mutex> guard(socket_mutex_);
- if (socket_.is_open()) {
- detail::shutdown_socket(socket_.sock);
- std::this_thread::sleep_for(std::chrono::milliseconds(1));
- close_socket(socket_, true);
- std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ // There is no guarantee that this doesn't get overwritten later, but set it so that
+ // there is a good chance that any threads stopping as a result pick up this error.
+ error_ = Error::Canceled;
+
+ // If there is anything ongoing right now, the ONLY thread-safe thing we can do
+ // is to shutdown_socket, so that threads using this socket suddenly discover
+ // they can't read/write any more and error out.
+ // Everything else (closing the socket, shutting ssl down) is unsafe because these
+ // actions are not thread-safe.
+ if (socket_requests_in_flight_ > 0) {
+ shutdown_socket(socket_);
+ // Aside from that, we set a flag for the socket to be closed when we're done.
+ socket_should_be_closed_when_request_is_done_ = true;
+ return;
}
+
+ //Otherwise, sitll holding the mutex, we can shut everything down ourselves
+ shutdown_ssl(socket_, true);
+ shutdown_socket(socket_);
+ close_socket(socket_);
}
inline void ClientImpl::set_connection_timeout(time_t sec, time_t usec) {
@@ -5479,7 +5673,7 @@ inline void ClientImpl::set_default_headers(Headers headers) {
inline void ClientImpl::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; }
inline void ClientImpl::set_socket_options(SocketOptions socket_options) {
- socket_options_ = socket_options;
+ socket_options_ = std::move(socket_options);
}
inline void ClientImpl::set_compress(bool on) { compress_ = on; }
@@ -5554,9 +5748,12 @@ inline SSL *ssl_new(socket_t sock, SSL_CTX *ctx, std::mutex &ctx_mutex,
}
inline void ssl_delete(std::mutex &ctx_mutex, SSL *ssl,
- bool process_socket_ret) {
- if (process_socket_ret) {
- SSL_shutdown(ssl); // shutdown only if not already closed by remote
+ bool shutdown_gracefully) {
+ // sometimes we may want to skip this to try to avoid SIGPIPE if we know
+ // the remote has closed the network connection
+ // Note that it is not always possible to avoid SIGPIPE, this is merely a best-efforts.
+ if (shutdown_gracefully) {
+ SSL_shutdown(ssl);
}
std::lock_guard<std::mutex> guard(ctx_mutex);
@@ -5650,22 +5847,7 @@ inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl,
read_timeout_usec_(read_timeout_usec),
write_timeout_sec_(write_timeout_sec),
write_timeout_usec_(write_timeout_usec) {
- {
- timeval tv;
- tv.tv_sec = static_cast<long>(read_timeout_sec);
- tv.tv_usec = static_cast<decltype(tv.tv_usec)>(read_timeout_usec);
-
- setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, reinterpret_cast<char *>(&tv),
- sizeof(tv));
- }
- {
- timeval tv;
- tv.tv_sec = static_cast<long>(write_timeout_sec);
- tv.tv_usec = static_cast<decltype(tv.tv_usec)>(write_timeout_usec);
-
- setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, reinterpret_cast<char *>(&tv),
- sizeof(tv));
- }
+ SSL_clear_mode(ssl, SSL_MODE_AUTO_RETRY);
}
inline SSLSocketStream::~SSLSocketStream() {}
@@ -5680,8 +5862,27 @@ inline bool SSLSocketStream::is_writable() const {
}
inline ssize_t SSLSocketStream::read(char *ptr, size_t size) {
- if (SSL_pending(ssl_) > 0 || is_readable()) {
+ if (SSL_pending(ssl_) > 0) {
return SSL_read(ssl_, ptr, static_cast<int>(size));
+ } else if (is_readable()) {
+ auto ret = SSL_read(ssl_, ptr, static_cast<int>(size));
+ if (ret < 0) {
+ auto err = SSL_get_error(ssl_, ret);
+ while (err == SSL_ERROR_WANT_READ) {
+ if (SSL_pending(ssl_) > 0) {
+ return SSL_read(ssl_, ptr, static_cast<int>(size));
+ } else if (is_readable()) {
+ ret = SSL_read(ssl_, ptr, static_cast<int>(size));
+ if (ret >= 0) {
+ return ret;
+ }
+ err = SSL_get_error(ssl_, ret);
+ } else {
+ return -1;
+ }
+ }
+ }
+ return ret;
}
return -1;
}
@@ -5788,9 +5989,12 @@ inline bool SSLServer::process_and_close_socket(socket_t sock) {
});
detail::ssl_delete(ctx_mutex_, ssl, ret);
+ detail::shutdown_socket(sock);
+ detail::close_socket(sock);
return ret;
}
+ detail::shutdown_socket(sock);
detail::close_socket(sock);
return false;
}
@@ -5843,6 +6047,10 @@ inline SSLClient::SSLClient(const std::string &host, int port,
inline SSLClient::~SSLClient() {
if (ctx_) { SSL_CTX_free(ctx_); }
+ // Make sure to shut down SSL since shutdown_ssl will resolve to the
+ // base function rather than the derived function once we get to the
+ // base class destructor, and won't free the SSL (causing a leak).
+ SSLClient::shutdown_ssl(socket_, true);
}
inline bool SSLClient::is_valid() const { return ctx_; }
@@ -5876,11 +6084,11 @@ inline bool SSLClient::create_and_connect_socket(Socket &socket) {
return is_valid() && ClientImpl::create_and_connect_socket(socket);
}
+// Assumes that socket_mutex_ is locked and that there are no requests in flight
inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res,
bool &success) {
success = true;
Response res2;
-
if (!detail::process_client_socket(
socket.sock, read_timeout_sec_, read_timeout_usec_,
write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) {
@@ -5889,7 +6097,10 @@ inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res,
req2.path = host_and_port_;
return process_request(strm, req2, res2, false);
})) {
- close_socket(socket, true);
+ // Thread-safe to close everything because we are assuming there are no requests in flight
+ shutdown_ssl(socket, true);
+ shutdown_socket(socket);
+ close_socket(socket);
success = false;
return false;
}
@@ -5912,7 +6123,10 @@ inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res,
true));
return process_request(strm, req3, res3, false);
})) {
- close_socket(socket, true);
+ // Thread-safe to close everything because we are assuming there are no requests in flight
+ shutdown_ssl(socket, true);
+ shutdown_socket(socket);
+ close_socket(socket);
success = false;
return false;
}
@@ -6005,26 +6219,30 @@ inline bool SSLClient::initialize_ssl(Socket &socket) {
return true;
}
- close_socket(socket, false);
+ shutdown_socket(socket);
+ close_socket(socket);
return false;
}
-inline void SSLClient::close_socket(Socket &socket, bool process_socket_ret) {
- detail::close_socket(socket.sock);
- socket_.sock = INVALID_SOCKET;
+inline void SSLClient::shutdown_ssl(Socket &socket, bool shutdown_gracefully) {
+ if (socket.sock == INVALID_SOCKET) {
+ assert(socket.ssl == nullptr);
+ return;
+ }
if (socket.ssl) {
- detail::ssl_delete(ctx_mutex_, socket.ssl, process_socket_ret);
- socket_.ssl = nullptr;
+ detail::ssl_delete(ctx_mutex_, socket.ssl, shutdown_gracefully);
+ socket.ssl = nullptr;
}
+ assert(socket.ssl == nullptr);
}
inline bool
-SSLClient::process_socket(Socket &socket,
+SSLClient::process_socket(const Socket &socket,
std::function<bool(Stream &strm)> callback) {
assert(socket.ssl);
return detail::process_client_socket_ssl(
socket.ssl, socket.sock, read_timeout_sec_, read_timeout_usec_,
- write_timeout_sec_, write_timeout_usec_, callback);
+ write_timeout_sec_, write_timeout_usec_, std::move(callback));
}
inline bool SSLClient::is_ssl() const { return true; }
@@ -6175,6 +6393,8 @@ inline Client::Client(const char *scheme_host_port,
#else
if (!scheme.empty() && scheme != "http") {
#endif
+ std::string msg = "'" + scheme + "' scheme is not supported.";
+ throw std::invalid_argument(msg);
return;
}
@@ -6187,28 +6407,28 @@ inline Client::Client(const char *scheme_host_port,
if (is_ssl) {
#ifdef CPPHTTPLIB_OPENSSL_SUPPORT
- cli_ = std::make_shared<SSLClient>(host.c_str(), port, client_cert_path,
- client_key_path);
+ cli_ = detail::make_unique<SSLClient>(host.c_str(), port,
+ client_cert_path, client_key_path);
is_ssl_ = is_ssl;
#endif
} else {
- cli_ = std::make_shared<ClientImpl>(host.c_str(), port, client_cert_path,
- client_key_path);
+ cli_ = detail::make_unique<ClientImpl>(host.c_str(), port,
+ client_cert_path, client_key_path);
}
} else {
- cli_ = std::make_shared<ClientImpl>(scheme_host_port, 80, client_cert_path,
- client_key_path);
+ cli_ = detail::make_unique<ClientImpl>(scheme_host_port, 80,
+ client_cert_path, client_key_path);
}
}
inline Client::Client(const std::string &host, int port)
- : cli_(std::make_shared<ClientImpl>(host, port)) {}
+ : cli_(detail::make_unique<ClientImpl>(host, port)) {}
inline Client::Client(const std::string &host, int port,
const std::string &client_cert_path,
const std::string &client_key_path)
- : cli_(std::make_shared<ClientImpl>(host, port, client_cert_path,
- client_key_path)) {}
+ : cli_(detail::make_unique<ClientImpl>(host, port, client_cert_path,
+ client_key_path)) {}
inline Client::~Client() {}
@@ -6221,11 +6441,11 @@ inline Result Client::Get(const char *path, const Headers &headers) {
return cli_->Get(path, headers);
}
inline Result Client::Get(const char *path, Progress progress) {
- return cli_->Get(path, progress);
+ return cli_->Get(path, std::move(progress));
}
inline Result Client::Get(const char *path, const Headers &headers,
Progress progress) {
- return cli_->Get(path, headers, progress);
+ return cli_->Get(path, headers, std::move(progress));
}
inline Result Client::Get(const char *path, ContentReceiver content_receiver) {
return cli_->Get(path, std::move(content_receiver));
@@ -6262,7 +6482,8 @@ inline Result Client::Get(const char *path, ResponseHandler response_handler,
inline Result Client::Get(const char *path, const Headers &headers,
ResponseHandler response_handler,
ContentReceiver content_receiver, Progress progress) {
- return cli_->Get(path, headers, response_handler, content_receiver, progress);
+ return cli_->Get(path, headers, std::move(response_handler),
+ std::move(content_receiver), std::move(progress));
}
inline Result Client::Head(const char *path) { return cli_->Head(path); }
@@ -6282,13 +6503,14 @@ inline Result Client::Post(const char *path, const Headers &headers,
inline Result Client::Post(const char *path, size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return cli_->Post(path, content_length, content_provider, content_type);
+ return cli_->Post(path, content_length, std::move(content_provider),
+ content_type);
}
inline Result Client::Post(const char *path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return cli_->Post(path, headers, content_length, content_provider,
+ return cli_->Post(path, headers, content_length, std::move(content_provider),
content_type);
}
inline Result Client::Post(const char *path, const Params &params) {
@@ -6306,6 +6528,11 @@ inline Result Client::Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items) {
return cli_->Post(path, headers, items);
}
+inline Result Client::Post(const char *path, const Headers &headers,
+ const MultipartFormDataItems &items,
+ const std::string &boundary) {
+ return cli_->Post(path, headers, items, boundary);
+}
inline Result Client::Put(const char *path) { return cli_->Put(path); }
inline Result Client::Put(const char *path, const std::string &body,
const char *content_type) {
@@ -6318,13 +6545,14 @@ inline Result Client::Put(const char *path, const Headers &headers,
inline Result Client::Put(const char *path, size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return cli_->Put(path, content_length, content_provider, content_type);
+ return cli_->Put(path, content_length, std::move(content_provider),
+ content_type);
}
inline Result Client::Put(const char *path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return cli_->Put(path, headers, content_length, content_provider,
+ return cli_->Put(path, headers, content_length, std::move(content_provider),
content_type);
}
inline Result Client::Put(const char *path, const Params &params) {
@@ -6345,13 +6573,14 @@ inline Result Client::Patch(const char *path, const Headers &headers,
inline Result Client::Patch(const char *path, size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return cli_->Patch(path, content_length, content_provider, content_type);
+ return cli_->Patch(path, content_length, std::move(content_provider),
+ content_type);
}
inline Result Client::Patch(const char *path, const Headers &headers,
size_t content_length,
ContentProvider content_provider,
const char *content_type) {
- return cli_->Patch(path, headers, content_length, content_provider,
+ return cli_->Patch(path, headers, content_length, std::move(content_provider),
content_type);
}
inline Result Client::Delete(const char *path) { return cli_->Delete(path); }
@@ -6386,7 +6615,7 @@ inline void Client::set_default_headers(Headers headers) {
inline void Client::set_tcp_nodelay(bool on) { cli_->set_tcp_nodelay(on); }
inline void Client::set_socket_options(SocketOptions socket_options) {
- cli_->set_socket_options(socket_options);
+ cli_->set_socket_options(std::move(socket_options));
}
inline void Client::set_connection_timeout(time_t sec, time_t usec) {