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75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// SPDX-License-Identifier: MIT
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//
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// EmulationStation Desktop Edition
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// HttpReq.h
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//
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// HTTP requests using libcurl.
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// Used by the scraper and application updater.
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//
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#ifndef ES_CORE_HTTP_REQ_H
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#define ES_CORE_HTTP_REQ_H
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#include <curl/curl.h>
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#include <atomic>
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#include <map>
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#include <sstream>
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class HttpReq
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{
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public:
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HttpReq(const std::string& url, bool scraperRequest);
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~HttpReq();
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enum Status {
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// clang-format off
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REQ_IN_PROGRESS, // Request is in progress.
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REQ_SUCCESS, // Request completed successfully, get it with getContent().
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REQ_IO_ERROR, // Some error happened, get it with getErrorMsg().
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REQ_FAILED_VERIFICATION, // Peer's certificate or fingerprint wasn't verified correctly.
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REQ_BAD_STATUS_CODE, // Some invalid HTTP response status code happened (non-200).
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REQ_INVALID_RESPONSE, // The HTTP response was invalid.
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REQ_UNDEFINED_ERROR
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// clang-format on
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};
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// Process any received data and return the status afterwards.
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Status status();
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std::string getErrorMsg() { return mErrorMsg; }
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std::string getContent() const;
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long getTotalBytes() { return mTotalBytes; }
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long getDownloadedBytes() { return mDownloadedBytes; }
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static std::string urlEncode(const std::string& s);
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static void cleanupCurlMulti()
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{
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if (sMultiHandle != nullptr) {
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curl_multi_cleanup(sMultiHandle);
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sMultiHandle = nullptr;
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}
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}
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private:
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// Callbacks.
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static int transferProgress(
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void* clientp, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow);
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static size_t writeContent(void* buff, size_t size, size_t nmemb, void* req_ptr);
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void onError(const std::string& msg) { mErrorMsg = msg; }
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static inline std::map<CURL*, HttpReq*> sRequests;
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static inline CURLM* sMultiHandle;
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Status mStatus;
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CURL* mHandle;
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std::stringstream mContent;
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std::string mErrorMsg;
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std::atomic<long> mTotalBytes;
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std::atomic<long> mDownloadedBytes;
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};
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#endif // ES_CORE_HTTP_REQ_H
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