Implemented TokenManager #57

Libs/CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.10)
 
-project(icarus CXX)
+project(icarus)
 
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_STANDARD 17)
@@ -9,6 +9,7 @@ set(SOURCES
     src/directory_manager.cpp
     src/imageFile.cpp
     src/metadata_retriever.cpp
+    src/token_manager.cpp
 )
 set(HEADERS
     include/models.h
@@ -17,6 +18,11 @@ set(HEADERS
     include/metadata_retriever.h
 )
 
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup()
+
+add_subdirectory(cpr)
+
 add_library(icarus SHARED ${SOURCES} ${HEADERS})
-include_directories(include)
-target_link_libraries(icarus "-lstdc++fs" tag)
+include_directories(${CPR_INCLUDE_DIRS} include)
+target_link_libraries(icarus "-lstdc++fs" tag ${CONAN_LIBS} ${CPR_LIBRARIES})

Libs/conanfile.txt

@@ -0,0 +1,5 @@
+[requires]
+jsonformoderncpp/3.7.0@vthiery/stable
+
+[generators]
+cmake

Libs/include/models.h

@@ -20,4 +20,24 @@ struct Cover
     char ImagePath[1024];
 };
 
+struct LoginRes
+{
+    int UserId;
+    char Username[1024];
+    char Token[1024];
+    char TokenType[1024];
+    char Message[1024];
+    int Expiration;
+};
+
+struct TokenReq
+{
+    char ClientId[1024];
+    char ClientSecret[1024];
+    char Audience[1024];
+    char GrantType[1024];
+    char URI[1024];
+    char Endpoint[1024];
+};
+
 #endif

Libs/src/token_manager.cpp

@@ -0,0 +1,41 @@
+#include <iostream>
+#include <string>
+#include <cstdlib>
+
+#include <cpr/cpr.h>
+#include <nlohmann/json.hpp>
+
+#include "models.h"
+
+
+extern "C"
+{
+
+
+LoginRes* retrieve_token(TokenReq *tok)
+{
+    LoginRes *res = new LoginRes;
+
+    nlohmann::json reqObj;
+    reqObj["client_id"] = tok->ClientId;
+    reqObj["client_secret"] = tok->ClientSecret;
+    reqObj["audience"] = tok->Audience;
+    reqObj["grant_type"] = tok->GrantType;
+
+    std::string uri{tok->URI};
+    uri.append("/");
+    uri.append(tok->Endpoint);
+
+    auto r = cpr::Post(cpr::Url{uri},
+        cpr::Body{reqObj.dump()},
+        cpr::Header{{"Content-Type", "application/json"}});
+
+    auto post_res = nlohmann::json::parse(r.text);
+    strcpy(res->Token, post_res["access_token"].get<std::string>().c_str());
+    strcpy(res->TokenType, post_res["token_type"].get<std::string>().c_str());
+    res->Expiration = post_res["expires_in"].get<int>();
+    strcpy(res->Message, "Success");
+
+    return res;
+}
+}