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124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
#include <iostream>
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#include <fstream>
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#include "webcc/http_client_session.h"
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#include "webcc/logger.h"
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#if (defined(WIN32) || defined(_WIN64))
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// You need to set environment variable SSL_CERT_FILE properly to enable
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// SSL verification.
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bool kSslVerify = false;
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#else
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bool kSslVerify = true;
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#endif
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void ExampleBasic() {
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webcc::HttpClientSession session;
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auto r = session.Request(webcc::HttpRequestBuilder{}.Get().
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Url("http://httpbin.org/get").
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Query("key1", "value1").
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Query("key2", "value2").
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Header("Accept", "application/json")
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());
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std::cout << r->content() << std::endl;
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}
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// Use predefined shortcuts.
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void ExampleShortcut() {
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webcc::HttpClientSession session;
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auto r = session.Get("http://httpbin.org/get",
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{"key1", "value1", "key2", "value2"},
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{"Accept", "application/json"});
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std::cout << r->content() << std::endl;
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}
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#if WEBCC_ENABLE_SSL
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// HTTPS is auto-detected from the URL scheme.
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void ExampleHttps() {
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webcc::HttpClientSession session;
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session.set_ssl_verify(kSslVerify);
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auto r = session.Request(webcc::HttpRequestBuilder{}.Get().
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Url("https://httpbin.org/get").
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Query("key1", "value1").
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Header("Accept", "application/json")());
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std::cout << r->content() << std::endl;
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}
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#endif // WEBCC_ENABLE_SSL
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// Example for testing Keep-Alive connection.
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//
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// Boost.org doesn't support persistent connection so always includes
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// "Connection: Close" header in the response.
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// Both Google and GitHub support persistent connection but they don't like
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// to include "Connection: Keep-Alive" header in the responses.
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//
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// ExampleKeepAlive("http://httpbin.org/get");
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// ExampleKeepAlive("https://www.boost.org/LICENSE_1_0.txt");
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// ExampleKeepAlive("https://www.google.com");
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// ExampleKeepAlive("https://api.github.com/events");
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//
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void ExampleKeepAlive(const std::string& url) {
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webcc::HttpClientSession session;
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session.set_ssl_verify(kSslVerify);
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// Keep-Alive
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session.Get(url);
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// Close
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session.Get(url, {}, {"Connection", "Close"});
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// Keep-Alive
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session.Get(url);
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}
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void ExampleCompression() {
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webcc::HttpClientSession session;
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auto r = session.Get("http://httpbin.org/gzip");
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std::cout << r->content() << std::endl;
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r = session.Get("http://httpbin.org/deflate");
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std::cout << r->content() << std::endl;
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}
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// Get an image from HttpBin.org and save to the given file path.
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// E.g., ExampleImage("E:\\example.jpg")
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void ExampleImage(const std::string& path) {
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webcc::HttpClientSession session;
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auto r = session.Get("http://httpbin.org/image/jpeg");
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// Or
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// auto r = session.Get("http://httpbin.org/image", {},
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// {"Accept", "image/jpeg"});
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std::ofstream ofs(path, std::ios::binary);
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ofs << r->content();
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}
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int main() {
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WEBCC_LOG_INIT("", webcc::LOG_CONSOLE);
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webcc::HttpClientSession session;
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try {
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ExampleBasic();
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} catch (const webcc::Exception& e) {
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std::cout << "Exception: " << e.what() << std::endl;
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}
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return 0;
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}
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