Files
aliyun-openapi-cpp-sdk/core/src/CommonClient.cc
haowei.yao f6db1a27e4 Init commit
Signed-off-by: haowei.yao <haowei.yao@alibaba-inc.com>
2017-12-27 10:03:32 +08:00

313 lines
10 KiB
C++

/*
* Copyright 2009-2017 Alibaba Cloud All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <alibabacloud/core/CommonClient.h>
#include <ctime>
#include <iomanip>
#include <sstream>
#include <alibabacloud/core/location/LocationClient.h>
#include <alibabacloud/core/SimpleCredentialsProvider.h>
#include "Utils.h"
using namespace AlibabaCloud;
using namespace Location;
namespace
{
#if defined(WIN32) && defined(_MSC_VER)
# define strcasecmp _stricmp
# define strncasecmp _strnicmp
#else
# include <strings.h>
#endif
}
CommonClient::CommonClient(const Credentials &credentials, const ClientConfiguration &configuration) :
CoreClient(configuration),
credentialsProvider_(std::make_shared<SimpleCredentialsProvider>(credentials))
{
auto locationClient = std::make_shared<LocationClient>(credentials, configuration);
endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), "ecs");
}
CommonClient::CommonClient(const std::shared_ptr<CredentialsProvider>& credentialsProvider, const ClientConfiguration & configuration) :
CoreClient(configuration),
signer_(std::make_shared<HmacSha1Signer>())
{
credentialsProvider_ = credentialsProvider;
auto locationClient = std::make_shared<LocationClient>(credentialsProvider, configuration);
endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), "ecs");
}
CommonClient::CommonClient(const std::string & accessKeyId, const std::string & accessKeySecret, const ClientConfiguration & configuration) :
CoreClient(configuration),
signer_(std::make_shared<HmacSha1Signer>())
{
credentialsProvider_ = std::make_shared<SimpleCredentialsProvider>(accessKeyId, accessKeySecret);
auto locationClient = std::make_shared<LocationClient>(accessKeyId, accessKeySecret, configuration);
endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), "ecs");
}
CommonClient::~CommonClient()
{
}
CommonClient::JsonOutcome CommonClient::makeRequest(const std::string &endpoint, const CommonRequest &msg, HttpRequest::Method method)const
{
auto outcome = AttemptRequest(endpoint, msg, method);
if (outcome.isSuccess())
return JsonOutcome(std::string(outcome.result().body(),
outcome.result().bodySize()));
else
return JsonOutcome(outcome.error());
}
CommonClient::CommonResponseOutcome CommonClient::commonResponse(const CommonRequest & request) const
{
auto outcome = makeRequest(request.domain(), request, request.httpMethod());
if (outcome.isSuccess())
return CommonResponseOutcome(CommonResponse(outcome.result()));
else
return CommonResponseOutcome(Error(outcome.error()));
}
void CommonClient::commonResponseAsync(const CommonRequest & request, const CommonResponseAsyncHandler & handler, const std::shared_ptr<const AsyncCallerContext>& context) const
{
auto fn = [this, request, handler, context]()
{
handler(this, request, commonResponse(request), context);
};
asyncExecute(new Runnable(fn));
}
CommonClient::CommonResponseOutcomeCallable CommonClient::commonResponseCallable(const CommonRequest & request) const
{
auto task = std::make_shared<std::packaged_task<CommonResponseOutcome()>>(
[this, request]()
{
return this->commonResponse(request);
});
asyncExecute(new Runnable([task]() { (*task)(); }));
return task->get_future();
}
CoreClient::EndpointOutcome CommonClient::endpoint() const
{
return EndpointOutcome();
}
HttpRequest CommonClient::buildHttpRequest(const std::string & endpoint, const ServiceRequest & msg, HttpRequest::Method method) const
{
return buildHttpRequest(endpoint, dynamic_cast<const CommonRequest& >(msg), method);
}
HttpRequest CommonClient::buildHttpRequest(const std::string & endpoint, const CommonRequest &msg, HttpRequest::Method method) const
{
if (msg.uriPattern().empty() ||
(strcasecmp(msg.uriPattern().c_str(),"rpc") == 0))
return buildRpcHttpRequest(endpoint, msg, method);
else
return buildRoaHttpRequest(endpoint, msg, method);
}
std::string CommonClient::canonicalizedHeaders(const HttpMessage::HeaderCollection &headers)const
{
std::map <std::string, std::string> materials;
for (const auto &p : headers)
{
std::string key = p.first;
std::transform(key.begin(), key.end(), key.begin(), ::tolower);
if (key.find("x-acs-") != 0)
continue;
std::string value = p.second;
StringReplace(value, "\t", " ");
StringReplace(value, "\n", " ");
StringReplace(value, "\r", " ");
StringReplace(value, "\f", " ");
materials[key] = value;
}
if (materials.empty())
return std::string();
std::stringstream ss;
for (const auto &p : materials)
ss << p.first << ":" << p.second << "\n";
return ss.str();
}
HttpRequest CommonClient::buildRoaHttpRequest(const std::string & endpoint, const CommonRequest &msg, HttpRequest::Method method) const
{
const Credentials credentials = credentialsProvider_->getCredentials();
Url url;
url.setScheme("https");
url.setHost(endpoint);
url.setPath(msg.resourcePath());
auto params = msg.headerParameters();
std::map <std::string, std::string> queryParams;
for (const auto &p : params) {
if (!p.second.empty())
queryParams[p.first] = p.second;
}
if (!queryParams.empty()) {
std::stringstream queryString;
for (const auto &p : queryParams)
{
if (p.second.empty())
queryString << "&" << p.first;
else
queryString << "&" << p.first << "=" << p.second;
}
url.setQuery(queryString.str().substr(1));
}
HttpRequest request(url);
request.setMethod(method);
request.setHeader("Accept", "application/json");
if (msg.hasContent()) {
std::stringstream ss;
ss << msg.contentSize();
request.setHeader("Content-Length", ss.str());
request.setHeader("Content-Type", "application/octet-stream");
request.setHeader("Content-MD5", ComputeContentMD5(msg.content(), msg.contentSize()));
}
std::time_t t = std::time(nullptr);
std::stringstream date;
#if defined(__GNUG__) && __GNUC__ < 5
char tmbuff[26];
strftime(tmbuff, 26, "%a, %d %b %Y %T", std::gmtime(&t));
date << tmbuff << " GMT";
#else
date << std::put_time(std::gmtime(&t), "%a, %d %b %Y %T GMT");
#endif
request.setHeader("Date", date.str());
request.setHeader("Host", url.host());
request.setHeader("x-sdk-client", std::string("CPP/").append(ALIBABACLOUD_VERSION_STR));
request.setHeader("x-acs-region-id", configuration().regionId());
request.setHeader("x-acs-security-token", credentials.sessionToken());
request.setHeader("x-acs-signature-method", signer_->name());
request.setHeader("x-acs-signature-nonce", GenerateUuid());
request.setHeader("x-acs-signature-version", signer_->version());
request.setHeader("x-acs-version", msg.version());
std::stringstream plaintext;
plaintext << HttpMethodToString(method) << "\n"
<< request.header("Accept") << "\n"
<< request.header("Content-MD5") << "\n"
<< request.header("Content-Type") << "\n"
<< request.header("Date") << "\n"
<< canonicalizedHeaders(request.headers());
if (!url.hasQuery())
plaintext << url.path();
else
plaintext << url.path() << "?" << url.query();
std::stringstream sign;
sign << "acs "
<< credentials.accessKeyId()
<< ":"
<< signer_->generate(plaintext.str(), credentials.accessKeySecret());
request.setHeader("Authorization", sign.str());
return request;
}
std::string CommonClient::canonicalizedQuery(const std::map<std::string, std::string>& params) const
{
if (params.empty())
return std::string();
std::stringstream ss;
for (const auto &p : params)
{
std::string key = UrlEncode(p.first);
StringReplace(key, "+", "%20");
StringReplace(key, "*", "%2A");
StringReplace(key, "%7E", "~");
std::string value = UrlEncode(p.second);
StringReplace(value, "+", "%20");
StringReplace(value, "*", "%2A");
StringReplace(value, "%7E", "~");
ss << "&" << key << "=" << value;
}
return ss.str().substr(1);
}
HttpRequest CommonClient::buildRpcHttpRequest(const std::string & endpoint, const CommonRequest &msg, HttpRequest::Method method) const
{
const Credentials credentials = credentialsProvider_->getCredentials();
Url url;
url.setScheme("https");
url.setHost(endpoint);
url.setPath(msg.resourcePath());
auto params = msg.queryParameters();
std::map <std::string, std::string> queryParams;
for (const auto &p : params) {
if (!p.second.empty())
queryParams[p.first] = p.second;
}
queryParams["AccessKeyId"] = credentials.accessKeyId();
queryParams["Format"] = "JSON";
queryParams["RegionId"] = configuration().regionId();
queryParams["SecurityToken"] = credentials.sessionToken();
queryParams["SignatureMethod"] = signer_->name();
queryParams["SignatureNonce"] = GenerateUuid();
queryParams["SignatureVersion"] = signer_->version();
std::time_t t = std::time(nullptr);
std::stringstream ss;
#if defined(__GNUG__) && __GNUC__ < 5
char tmbuff[26];
strftime(tmbuff, 26, "%FT%TZ", std::gmtime(&t));
ss << tmbuff;
#else
ss << std::put_time(std::gmtime(&t), "%FT%TZ");
#endif
queryParams["Timestamp"] = ss.str();
queryParams["Version"] = msg.version();
std::stringstream plaintext;
plaintext << HttpMethodToString(method)
<< "&"
<< UrlEncode(url.path())
<< "&"
<< UrlEncode(canonicalizedQuery(queryParams));
queryParams["Signature"] = signer_->generate(plaintext.str(), credentials.accessKeySecret() + "&");
std::stringstream queryString;
for (const auto &p : queryParams)
queryString << "&" << p.first << "=" << UrlEncode(p.second);
url.setQuery(queryString.str().substr(1));
HttpRequest request(url);
request.setMethod(method);
request.setHeader("Host", url.host());
request.setHeader("x-sdk-client", std::string("CPP/").append(ALIBABACLOUD_VERSION_STR));
return request;
}