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477 lines (415 loc) · 16.9 KB
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#include "cpr/session.h"
#include <algorithm>
#include <functional>
#include <string>
#include <curl/curl.h>
#include "cpr/curlholder.h"
#include "cpr/util.h"
namespace cpr {
class Session::Impl {
public:
Impl();
void SetUrl(const Url& url);
void SetParameters(const Parameters& parameters);
void SetParameters(Parameters&& parameters);
void SetHeader(const Header& header);
void SetTimeout(const Timeout& timeout);
void SetAuth(const Authentication& auth);
void SetDigest(const Digest& auth);
void SetPayload(Payload&& payload);
void SetPayload(const Payload& payload);
void SetProxies(Proxies&& proxies);
void SetProxies(const Proxies& proxies);
void SetMultipart(Multipart&& multipart);
void SetMultipart(const Multipart& multipart);
void SetRedirect(const bool& redirect);
void SetMaxRedirects(const MaxRedirects& max_redirects);
void SetCookies(const Cookies& cookies);
void SetBody(Body&& body);
void SetBody(const Body& body);
void SetLowSpeed(const LowSpeed& low_speed);
void SetVerifySsl(const VerifySsl& verify);
Response Delete();
Response Get();
Response Head();
Response Options();
Response Patch();
Response Post();
Response Put();
private:
std::unique_ptr<CurlHolder, std::function<void(CurlHolder*)>> curl_;
Url url_;
Parameters parameters_;
Proxies proxies_;
Response makeRequest(CURL* curl);
static void freeHolder(CurlHolder* holder);
static CurlHolder* newHolder();
};
Session::Impl::Impl() {
curl_ = std::unique_ptr<CurlHolder, std::function<void(CurlHolder*)>>(newHolder(),
&Impl::freeHolder);
auto curl = curl_->handle;
if (curl) {
// Set up some sensible defaults
auto version_info = curl_version_info(CURLVERSION_NOW);
auto version = std::string{"curl/"} + std::string{version_info->version};
curl_easy_setopt(curl, CURLOPT_USERAGENT, version.data());
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 50L);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_->error);
curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "");
#ifdef CPR_CURL_NOSIGNAL
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1L);
#endif
#if LIBCURL_VERSION_MAJOR >= 7
#if LIBCURL_VERSION_MINOR >= 25
#if LIBCURL_VERSION_PATCH >= 0
curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
#endif
#endif
#endif
}
}
void Session::Impl::freeHolder(CurlHolder* holder) {
curl_easy_cleanup(holder->handle);
curl_slist_free_all(holder->chunk);
curl_formfree(holder->formpost);
delete holder;
}
CurlHolder* Session::Impl::newHolder() {
CurlHolder* holder = new CurlHolder();
holder->handle = curl_easy_init();
holder->chunk = NULL;
holder->formpost = NULL;
return holder;
}
void Session::Impl::SetUrl(const Url& url) {
url_ = url;
}
void Session::Impl::SetParameters(const Parameters& parameters) {
parameters_ = parameters;
}
void Session::Impl::SetParameters(Parameters&& parameters) {
parameters_ = std::move(parameters);
}
void Session::Impl::SetHeader(const Header& header) {
auto curl = curl_->handle;
if (curl) {
struct curl_slist* chunk = NULL;
for (auto item = header.cbegin(); item != header.cend(); ++item) {
auto header_string = std::string{item->first};
if (item->second.empty()) {
header_string += ";";
} else {
header_string += ": " + item->second;
}
auto temp = curl_slist_append(chunk, header_string.data());
if (temp) {
chunk = temp;
}
}
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, chunk);
curl_slist_free_all(curl_->chunk);
curl_->chunk = chunk;
}
}
void Session::Impl::SetTimeout(const Timeout& timeout) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, timeout.Milliseconds());
}
}
void Session::Impl::SetAuth(const Authentication& auth) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_easy_setopt(curl, CURLOPT_USERPWD, auth.GetAuthString());
}
}
void Session::Impl::SetDigest(const Digest& auth) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
curl_easy_setopt(curl, CURLOPT_USERPWD, auth.GetAuthString());
}
}
void Session::Impl::SetPayload(Payload&& payload) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, payload.content.length());
curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS, payload.content.data());
}
}
void Session::Impl::SetPayload(const Payload& payload) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, payload.content.length());
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, payload.content.data());
}
}
void Session::Impl::SetProxies(const Proxies& proxies) {
proxies_ = proxies;
}
void Session::Impl::SetProxies(Proxies&& proxies) {
proxies_ = std::move(proxies);
}
void Session::Impl::SetMultipart(Multipart&& multipart) {
auto curl = curl_->handle;
if (curl) {
struct curl_httppost* formpost = NULL;
struct curl_httppost* lastptr = NULL;
for (auto& part : multipart.parts) {
std::vector<struct curl_forms> formdata;
formdata.push_back({CURLFORM_COPYNAME, part.name.data()});
if (part.is_buffer) {
formdata.push_back({CURLFORM_BUFFER, part.value.data()});
formdata.push_back(
{CURLFORM_COPYCONTENTS, reinterpret_cast<const char*>(part.data)});
formdata.push_back(
{CURLFORM_CONTENTSLENGTH, reinterpret_cast<const char*>(part.datalen)});
} else if (part.is_file) {
formdata.push_back({CURLFORM_FILE, part.value.data()});
} else {
formdata.push_back({CURLFORM_COPYCONTENTS, part.value.data()});
}
if (!part.content_type.empty()) {
formdata.push_back({CURLFORM_CONTENTTYPE, part.content_type.data()});
}
formdata.push_back({CURLFORM_END, nullptr});
curl_formadd(&formpost, &lastptr, CURLFORM_ARRAY, formdata.data(), CURLFORM_END);
}
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
curl_formfree(curl_->formpost);
curl_->formpost = formpost;
}
}
void Session::Impl::SetMultipart(const Multipart& multipart) {
auto curl = curl_->handle;
if (curl) {
struct curl_httppost* formpost = NULL;
struct curl_httppost* lastptr = NULL;
for (auto& part : multipart.parts) {
std::vector<struct curl_forms> formdata;
formdata.push_back({CURLFORM_PTRNAME, part.name.data()});
if (part.is_buffer) {
formdata.push_back({CURLFORM_BUFFER, part.value.data()});
formdata.push_back({CURLFORM_BUFFERPTR, reinterpret_cast<const char*>(part.data)});
formdata.push_back(
{CURLFORM_BUFFERLENGTH, reinterpret_cast<const char*>(part.datalen)});
} else if (part.is_file) {
formdata.push_back({CURLFORM_FILE, part.value.data()});
} else {
formdata.push_back({CURLFORM_PTRCONTENTS, part.value.data()});
}
if (!part.content_type.empty()) {
formdata.push_back({CURLFORM_CONTENTTYPE, part.content_type.data()});
}
formdata.push_back({CURLFORM_END, nullptr});
curl_formadd(&formpost, &lastptr, CURLFORM_ARRAY, formdata.data(), CURLFORM_END);
}
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
curl_formfree(curl_->formpost);
curl_->formpost = formpost;
}
}
void Session::Impl::SetRedirect(const bool& redirect) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, std::int32_t(redirect));
}
}
void Session::Impl::SetMaxRedirects(const MaxRedirects& max_redirects) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_MAXREDIRS, max_redirects.number_of_redirects);
}
}
void Session::Impl::SetCookies(const Cookies& cookies) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_COOKIELIST, "ALL");
curl_easy_setopt(curl, CURLOPT_COOKIE, cookies.GetEncoded().data());
}
}
void Session::Impl::SetBody(Body&& body) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.length());
curl_easy_setopt(curl, CURLOPT_COPYPOSTFIELDS, body.data());
}
}
void Session::Impl::SetBody(const Body& body) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.length());
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, body.data());
}
}
void Session::Impl::SetLowSpeed(const LowSpeed& low_speed) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, low_speed.limit);
curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, low_speed.time);
}
}
void Session::Impl::SetVerifySsl(const VerifySsl& verify) {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, verify ? 1L : 0L);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, verify ? 2L : 0L);
}
}
Response Session::Impl::Delete() {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_HTTPGET, 0L);
curl_easy_setopt(curl, CURLOPT_NOBODY, 0L);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "DELETE");
}
return makeRequest(curl);
}
Response Session::Impl::Get() {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_NOBODY, 0L);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "GET");
}
return makeRequest(curl);
}
Response Session::Impl::Head() {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, NULL);
curl_easy_setopt(curl, CURLOPT_NOBODY, 1L);
}
return makeRequest(curl);
}
Response Session::Impl::Options() {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_NOBODY, 0L);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "OPTIONS");
}
return makeRequest(curl);
}
Response Session::Impl::Patch() {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_NOBODY, 0L);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PATCH");
}
return makeRequest(curl);
}
Response Session::Impl::Post() {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_NOBODY, 0L);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
}
return makeRequest(curl);
}
Response Session::Impl::Put() {
auto curl = curl_->handle;
if (curl) {
curl_easy_setopt(curl, CURLOPT_NOBODY, 0L);
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PUT");
}
return makeRequest(curl);
}
Response Session::Impl::makeRequest(CURL* curl) {
if (!parameters_.content.empty()) {
Url new_url{url_ + "?" + parameters_.content};
curl_easy_setopt(curl, CURLOPT_URL, new_url.data());
} else {
curl_easy_setopt(curl, CURLOPT_URL, url_.data());
}
auto protocol = url_.substr(0, url_.find(':'));
if (proxies_.has(protocol)) {
curl_easy_setopt(curl, CURLOPT_PROXY, proxies_[protocol].data());
} else {
curl_easy_setopt(curl, CURLOPT_PROXY, "");
}
curl_->error[0] = '\0';
std::string response_string;
std::string header_string;
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, cpr::util::writeFunction);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response_string);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, &header_string);
auto curl_error = curl_easy_perform(curl);
char* raw_url;
long response_code;
double elapsed;
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code);
curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME, &elapsed);
curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &raw_url);
Cookies cookies;
struct curl_slist* raw_cookies;
curl_easy_getinfo(curl, CURLINFO_COOKIELIST, &raw_cookies);
for (struct curl_slist* nc = raw_cookies; nc; nc = nc->next) {
auto tokens = cpr::util::split(nc->data, '\t');
auto value = tokens.back();
tokens.pop_back();
cookies[tokens.back()] = value;
}
curl_slist_free_all(raw_cookies);
return Response{static_cast<std::int32_t>(response_code),
std::move(response_string),
cpr::util::parseHeader(header_string),
std::move(raw_url),
elapsed,
std::move(cookies),
Error(curl_error, curl_->error)};
}
// clang-format off
Session::Session() : pimpl_{ new Impl{} } {}
Session::~Session() {}
void Session::SetUrl(const Url& url) { pimpl_->SetUrl(url); }
void Session::SetParameters(const Parameters& parameters) { pimpl_->SetParameters(parameters); }
void Session::SetParameters(Parameters&& parameters) { pimpl_->SetParameters(std::move(parameters)); }
void Session::SetHeader(const Header& header) { pimpl_->SetHeader(header); }
void Session::SetTimeout(const Timeout& timeout) { pimpl_->SetTimeout(timeout); }
void Session::SetAuth(const Authentication& auth) { pimpl_->SetAuth(auth); }
void Session::SetDigest(const Digest& auth) { pimpl_->SetDigest(auth); }
void Session::SetPayload(const Payload& payload) { pimpl_->SetPayload(payload); }
void Session::SetPayload(Payload&& payload) { pimpl_->SetPayload(std::move(payload)); }
void Session::SetProxies(const Proxies& proxies) { pimpl_->SetProxies(proxies); }
void Session::SetProxies(Proxies&& proxies) { pimpl_->SetProxies(std::move(proxies)); }
void Session::SetMultipart(const Multipart& multipart) { pimpl_->SetMultipart(multipart); }
void Session::SetMultipart(Multipart&& multipart) { pimpl_->SetMultipart(std::move(multipart)); }
void Session::SetRedirect(const bool& redirect) { pimpl_->SetRedirect(redirect); }
void Session::SetMaxRedirects(const MaxRedirects& max_redirects) { pimpl_->SetMaxRedirects(max_redirects); }
void Session::SetCookies(const Cookies& cookies) { pimpl_->SetCookies(cookies); }
void Session::SetBody(const Body& body) { pimpl_->SetBody(body); }
void Session::SetBody(Body&& body) { pimpl_->SetBody(std::move(body)); }
void Session::SetLowSpeed(const LowSpeed& low_speed) { pimpl_->SetLowSpeed(low_speed); }
void Session::SetVerifySsl(const VerifySsl& verify) { pimpl_->SetVerifySsl(verify); }
void Session::SetOption(const Url& url) { pimpl_->SetUrl(url); }
void Session::SetOption(const Parameters& parameters) { pimpl_->SetParameters(parameters); }
void Session::SetOption(Parameters&& parameters) { pimpl_->SetParameters(std::move(parameters)); }
void Session::SetOption(const Header& header) { pimpl_->SetHeader(header); }
void Session::SetOption(const Timeout& timeout) { pimpl_->SetTimeout(timeout); }
void Session::SetOption(const Authentication& auth) { pimpl_->SetAuth(auth); }
void Session::SetOption(const Digest& auth) { pimpl_->SetDigest(auth); }
void Session::SetOption(const Payload& payload) { pimpl_->SetPayload(payload); }
void Session::SetOption(Payload&& payload) { pimpl_->SetPayload(std::move(payload)); }
void Session::SetOption(const Proxies& proxies) { pimpl_->SetProxies(proxies); }
void Session::SetOption(Proxies&& proxies) { pimpl_->SetProxies(std::move(proxies)); }
void Session::SetOption(const Multipart& multipart) { pimpl_->SetMultipart(multipart); }
void Session::SetOption(Multipart&& multipart) { pimpl_->SetMultipart(std::move(multipart)); }
void Session::SetOption(const bool& redirect) { pimpl_->SetRedirect(redirect); }
void Session::SetOption(const MaxRedirects& max_redirects) { pimpl_->SetMaxRedirects(max_redirects); }
void Session::SetOption(const Cookies& cookies) { pimpl_->SetCookies(cookies); }
void Session::SetOption(const Body& body) { pimpl_->SetBody(body); }
void Session::SetOption(Body&& body) { pimpl_->SetBody(std::move(body)); }
void Session::SetOption(const LowSpeed& low_speed) { pimpl_->SetLowSpeed(low_speed); }
void Session::SetOption(const VerifySsl& verify) { pimpl_->SetVerifySsl(verify); }
Response Session::Delete() { return pimpl_->Delete(); }
Response Session::Get() { return pimpl_->Get(); }
Response Session::Head() { return pimpl_->Head(); }
Response Session::Options() { return pimpl_->Options(); }
Response Session::Patch() { return pimpl_->Patch(); }
Response Session::Post() { return pimpl_->Post(); }
Response Session::Put() { return pimpl_->Put(); }
// clang-format on
} // namespace cpr