Unicode C++

OneDrive -- List Drives

See more OneDrive Examples

Example to retrieve the list of Drive resources available for a target User or Group.

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

Unicode C++

#include <CkJsonObjectW.h>
#include <CkHttpW.h>

void ChilkatSample(void)
    {
    bool success = false;

    // 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
    CkJsonObjectW json;
    json.UpdateString(L"client_id",L"2871da2c-8176-4b7f-869b-2311aa82e743");
    json.UpdateString(L"client_secret",L"2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH");
    json.UpdateString(L"scope",L"https://graph.microsoft.com/.default");
    json.UpdateString(L"token_endpoint",L"https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token");

    CkHttpW http;
    http.put_AuthToken(json.emit());

    // 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:
    http.SetUrlVar(L"userId",L"4fe732c3-322e-4a6b-b729-2fd1eb5c6104");
    const wchar_t *resp = http.quickGetStr(L"https://graph.microsoft.com/v1.0/users/{$userId}/drives");
    if (http.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    // The response should be JSON.
    json.put_EmitCompact(false);
    json.Load(resp);

    // A successful response should return a status code of 200.
    if (http.get_LastStatus() != 200) {
        wprintf(L"%s\n",json.emit());
        wprintf(L"Response status = %d\n",http.get_LastStatus());
        return;
    }

    wprintf(L"%s\n",json.emit());

    // 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:
    int i = 0;
    int numDrives = json.SizeOfArray(L"value");
    while (i < numDrives) {
        json.put_I(i);
        wprintf(L"-- Drive %d\n",i + 1);
        wprintf(L"id: %s\n",json.stringOf(L"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..
        wprintf(L"total: %s\n",json.stringOf(L"value[i].quota.total"));
        i = i + 1;
    }
    }