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(Unicode C) OneDrive -- Download Binary File to MemorySee more OneDrive ExamplesDownloads a binary file (such as JPG, PDF, etc.) into a BinData object. Note: This example requires Chilkat v9.5.0.97 or greater.
#include <C_CkJsonObjectW.h> #include <C_CkHttpW.h> #include <C_CkBinDataW.h> void ChilkatSample(void) { HCkJsonObjectW json; HCkHttpW http; HCkBinDataW fileData; const wchar_t *url; BOOL success; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Use your client ID, client secret, and tenant ID in the following lines json = CkJsonObjectW_Create(); CkJsonObjectW_UpdateString(json,L"client_id",L"2871da2c-8176-4b7f-869b-2311aa82e743"); CkJsonObjectW_UpdateString(json,L"client_secret",L"2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH"); CkJsonObjectW_UpdateString(json,L"scope",L"https://graph.microsoft.com/.default"); CkJsonObjectW_UpdateString(json,L"token_endpoint",L"https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token"); http = CkHttpW_Create(); CkHttpW_putAuthToken(http,CkJsonObjectW_emit(json)); // Sends the following GET request: // GET https://graph.microsoft.com/v1.0/users/{user-id}/drive/root:/{item-path}:/content // Make sure to automatically follow redirects CkHttpW_putFollowRedirects(http,TRUE); // This example will download /Misc/starfish.jpg CkHttpW_SetUrlVar(http,L"item_path",L"Misc/starfish.jpg"); CkHttpW_SetUrlVar(http,L"user_id",L"4fe732c3-322e-4a6b-b729-2fd1eb5c6104"); fileData = CkBinDataW_Create(); url = L"https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:/{$item_path}:/content"; success = CkHttpW_DownloadBd(http,url,fileData); if (CkHttpW_getLastMethodSuccess(http) != TRUE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkJsonObjectW_Dispose(json); CkHttpW_Dispose(http); CkBinDataW_Dispose(fileData); return; } // If the response status code was not 200, then it failed. if (CkHttpW_getLastStatus(http) != 200) { wprintf(L"Response Status Code = %d\n",CkHttpW_getLastStatus(http)); wprintf(L"Failed.\n"); CkJsonObjectW_Dispose(json); CkHttpW_Dispose(http); CkBinDataW_Dispose(fileData); return; } // If we got here, then the file was successfully downloaded. wprintf(L"Download binary from OneDrive successful.\n"); wprintf(L"The file is contained in fileData.\n"); CkJsonObjectW_Dispose(json); CkHttpW_Dispose(http); CkBinDataW_Dispose(fileData); } |
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