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HttpClientHelper.h (2629B)

      1 // Copyright (c) Microsoft Corporation.
      2 // Licensed under the MIT License.
      3 #pragma once
      4 #include <winget/Certificates.h>
      5 #include <cpprest/http_client.h>
      6 #include <cpprest/json.h>
      7 #include <optional>
      8 #include <vector>
      9 
     10 namespace AppInstaller::Http
     11 {
     12     struct HttpClientHelper
     13     {
     14         using HttpRequestHeaders = std::unordered_map<utility::string_t, utility::string_t>;
     15 
     16         struct HttpResponseHandlerResult
     17         {
     18             // The custom response handler result. Default is empty.
     19             std::optional<web::json::value> Result = std::nullopt;
     20 
     21             // Indicates whether to use default handling logic by HttpClientHelper instead (i.e. the custom response handler does not handle the specific response).
     22             bool UseDefaultHandling = false;
     23         };
     24 
     25         using HttpResponseHandler = std::function<HttpResponseHandlerResult(const web::http::http_response&)>;
     26 
     27         HttpClientHelper(std::shared_ptr<web::http::http_pipeline_stage> = {});
     28 
     29         pplx::task<web::http::http_response> Post(const utility::string_t& uri, const web::json::value& body, const HttpRequestHeaders& headers = {}, const HttpRequestHeaders& authHeaders = {}) const;
     30 
     31         std::optional<web::json::value> HandlePost(const utility::string_t& uri, const web::json::value& body, const HttpRequestHeaders& headers = {}, const HttpRequestHeaders& authHeaders = {}, const HttpResponseHandler& customHandler = {}) const;
     32 
     33         pplx::task<web::http::http_response> Get(const utility::string_t& uri, const HttpRequestHeaders& headers = {}, const HttpRequestHeaders& authHeaders = {}) const;
     34 
     35         std::optional<web::json::value> HandleGet(const utility::string_t& uri, const HttpRequestHeaders& headers = {}, const HttpRequestHeaders& authHeaders = {}, const HttpResponseHandler& customHandler = {}) const;
     36 
     37         void SetPinningConfiguration(const Certificates::PinningConfiguration& configuration);
     38 
     39     protected:
     40         std::optional<web::json::value> ValidateAndExtractResponse(const web::http::http_response& response) const;
     41 
     42         std::optional<web::json::value> ExtractJsonResponse(const web::http::http_response& response) const;
     43 
     44     private:
     45         web::http::client::http_client GetClient(const utility::string_t& uri) const;
     46 
     47         // Translates a cpprestsdk http_exception to a WIL exception.
     48         static void RethrowAsWilException(const web::http::http_exception& exception);
     49 
     50         std::shared_ptr<web::http::http_pipeline_stage> m_defaultRequestHandlerStage;
     51         web::http::client::http_client_config m_clientConfig;
     52     };
     53 }