(C) OneDrive -- List Drives

See more OneDrive Examples

Note: This example requires Chilkat v9.5.0.97 or greater.

For more information, see https://learn.microsoft.com/en-us/onedrive/developer/rest-api/api/drive_list?view=odsp-graph-online

Chilkat C/C++ Library Downloads
MS Visual C/C++ C++ Builder Linux C/C++ Alpine Linux C/C++	MacOS C/C++ iOS C/C++ Android C/C++ MinGW C/C++

#include <C_CkJsonObject.h>
#include <C_CkHttp.h>

void ChilkatSample(void)
    {
    HCkJsonObject json;
    HCkHttp http;
    const char *resp;
    int i;
    int numDrives;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example uses the OAuth client credentials flow.
    // See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

    // Use your client ID, client secret, and tenant ID in the following lines
    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"client_id","2871da2c-8176-4b7f-869b-2311aa82e743");
    CkJsonObject_UpdateString(json,"client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH");
    CkJsonObject_UpdateString(json,"scope","https://graph.microsoft.com/.default");
    CkJsonObject_UpdateString(json,"token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token");

    http = CkHttp_Create();
    CkHttp_putAuthToken(http,CkJsonObject_emit(json));

    // List drives.
    // You can specify a {siteId}, {groupId}, or {userId} in the URL
    // to access document libraries for a group, a site, or a specific user.
    // Use your specific Id instead of what we're using here:
    CkHttp_SetUrlVar(http,"userId","4fe732c3-322e-4a6b-b729-2fd1eb5c6104");
    resp = CkHttp_quickGetStr(http,"https://graph.microsoft.com/v1.0/users/{$userId}/drives");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        return;
    }

    // The response should be JSON.
    CkJsonObject_putEmitCompact(json,FALSE);
    CkJsonObject_Load(json,resp);

    // A successful response should return a status code of 200.
    if (CkHttp_getLastStatus(http) != 200) {
        printf("%s\n",CkJsonObject_emit(json));
        printf("Response status = %d\n",CkHttp_getLastStatus(http));
        CkJsonObject_Dispose(json);
        CkHttp_Dispose(http);
        return;
    }

    printf("%s\n",CkJsonObject_emit(json));

    // Sample output:

    // 	{
    // 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#drives",
    // 	  "value": [
    // 	    {
    // 	      "id": "3a33fceb9b74cc15",
    // 	      "driveType": "personal",
    // 	      "owner": {
    // 	        "user": {
    // 	          "displayName": "Matt Smith",
    // 	          "id": "3a33fceb9b74cc15"
    // 	        }
    // 	      },
    // 	      "quota": {
    // 	        "deleted": 0,
    // 	        "remaining": 1114571275977,
    // 	        "state": "normal",
    // 	        "total": 1115617755136,
    // 	        "used": 1046479159
    // 	      }
    // 	    }
    // 	  ]
    // 	}

    // Iterate over the drives in the JSON response:
    i = 0;
    numDrives = CkJsonObject_SizeOfArray(json,"value");
    while (i < numDrives) {
        CkJsonObject_putI(json,i);
        printf("-- Drive %d\n",i + 1);
        printf("id: %s\n",CkJsonObject_stringOf(json,"value[i].id"));
        // The size will be a number larger than what can fit in a 32-bit integer.
        // Get the integer as a string..
        printf("total: %s\n",CkJsonObject_stringOf(json,"value[i].quota.total"));
        i = i + 1;
    }



    CkJsonObject_Dispose(json);
    CkHttp_Dispose(http);

    }