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92 lines
4.1 KiB
C++
92 lines
4.1 KiB
C++
#pragma once
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#include <string>
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#include <map>
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#include <curl/curl.h>
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#include "http_data.h"
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#include "http_server.h"
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/*
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NOTE: This is a really primitive blocking client meant only for specific Typesense use cases.
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*/
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class HttpClient {
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private:
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static std::string api_key;
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static std::string ca_cert_path;
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HttpClient() = default;
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~HttpClient() = default;
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static size_t curl_write(char *contents, size_t size, size_t nmemb, std::string *s);
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static size_t curl_write_async(char *buffer, size_t size, size_t nmemb, void* context);
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static size_t curl_write_stream(char *buffer, size_t size, size_t nmemb, void *context);
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static size_t curl_write_async_done(void* context, curl_socket_t item);
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static size_t curl_write_stream_done(void* context, curl_socket_t item);
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static size_t curl_write_download(void *ptr, size_t size, size_t nmemb, FILE *stream);
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static CURL* init_curl(const std::string& url, std::string& response, const size_t timeout_ms = 0);
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static CURL* init_curl_async(const std::string& url, deferred_req_res_t* req_res, curl_slist*& chunk,
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bool send_ts_api_header);
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static CURL* init_curl_stream(const std::string& url, async_stream_response_t& res, long timeout_ms);
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static size_t curl_req_send_callback(char* buffer, size_t size, size_t nitems, void *userdata);
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static long perform_curl(CURL *curl, std::map<std::string, std::string>& res_headers,
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struct curl_slist *chunk = nullptr,
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bool send_ts_api_header = false);
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public:
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static HttpClient & get_instance() {
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static HttpClient instance;
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return instance;
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}
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HttpClient(HttpClient const&) = delete;
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void operator=(HttpClient const&) = delete;
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void init(const std::string & api_key);
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static long download_file(const std::string& url, const std::string& file_path);
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static long get_response(const std::string& url, std::string& response,
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std::map<std::string, std::string>& res_headers,
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const std::unordered_map<std::string, std::string>& headers = {},
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long timeout_ms=4000,
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bool send_ts_api_header = false);
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static long delete_response(const std::string& url, std::string& response,
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std::map<std::string, std::string>& res_headers, long timeout_ms=4000,
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bool send_ts_api_header = false);
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static long post_response(const std::string & url, const std::string & body, std::string & response,
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std::map<std::string, std::string>& res_headers,
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const std::unordered_map<std::string, std::string>& headers = {},
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long timeout_ms=4000,
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bool send_ts_api_header = false);
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static long post_response_async(const std::string &url, const std::shared_ptr<http_req> request,
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const std::shared_ptr<http_res> response,
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HttpServer* server,
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bool send_ts_api_header = false);
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static long post_response_stream(const std::string &url, const std::string &body, async_stream_response_t &response,
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std::map<std::string, std::string>& res_headers,
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const std::unordered_map<std::string, std::string>& headers, long timeout_ms=4000);
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static long put_response(const std::string & url, const std::string & body, std::string & response,
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std::map<std::string, std::string>& res_headers, long timeout_ms=4000,
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bool send_ts_api_header = false);
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static long patch_response(const std::string & url, const std::string & body, std::string & response,
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std::map<std::string, std::string>& res_headers, long timeout_ms=4000,
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bool send_ts_api_header = false);
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static void extract_response_headers(CURL* curl, std::map<std::string, std::string> &res_headers);
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};
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