Delphi DLL Google Drive: List a File's Permissions

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List the permissions for a file by file id. (In this example the file id = 1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl)

Documentation: https://developers.google.com/drive/v3/reference/permissions/list


var
rest: HCkRest;
success: Boolean;
oauth2: HCkOAuth2;
sbJson: HCkStringBuilder;
json: HCkJsonObject;
kind: PWideChar;
i: Integer;
count_i: Integer;
id: PWideChar;
type: PWideChar;
role: PWideChar;
allowFileDiscovery: Boolean;

begin
rest := CkRest_Create();

//   Provide a previously obtained OAuth2 access token.
oauth2 := CkOAuth2_Create();
CkOAuth2_putAccessToken(oauth2,'OAUTH2_ACCESS_TOKEN');
CkRest_SetAuthOAuth2(rest,oauth2);

success := CkRest_Connect(rest,'www.googleapis.com',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

CkRest_AddQueryParam(rest,'includeTeamDriveItems','true');
CkRest_AddQueryParam(rest,'supportsTeamDrives','true');

sbJson := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/drive/v3/files/1R_70heIyzIAu1_u0prXbYcaIiJRVkgBl/permissions',sbJson);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

if (CkRest_getResponseStatusCode(rest) <> 200) then
  begin
    Memo1.Lines.Add('Received error response code: ' + IntToStr(CkRest_getResponseStatusCode(rest)));
    Memo1.Lines.Add('Response body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbJson));
    Exit;
  end;

json := CkJsonObject_Create();
CkJsonObject_LoadSb(json,sbJson);

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.

kind := CkJsonObject__stringOf(json,'kind');
i := 0;
count_i := CkJsonObject_SizeOfArray(json,'permissions');
while i < count_i do
  begin
CkJsonObject_putI(json,i);
    kind := CkJsonObject__stringOf(json,'permissions[i].kind');
    id := CkJsonObject__stringOf(json,'permissions[i].id');
    type := CkJsonObject__stringOf(json,'permissions[i].type');
    role := CkJsonObject__stringOf(json,'permissions[i].role');
    allowFileDiscovery := CkJsonObject_BoolOf(json,'permissions[i].allowFileDiscovery');
    i := i + 1;
  end;

Memo1.Lines.Add('Example Completed.');

CkRest_Dispose(rest);
CkOAuth2_Dispose(oauth2);
CkStringBuilder_Dispose(sbJson);
CkJsonObject_Dispose(json);

Sample JSON Response Body

{
  "kind": "drive#permissionList",
  "permissions": [
    {
      "kind": "drive#permission",
      "id": "07604395918166943595k",
      "type": "domain",
      "role": "reader",
      "allowFileDiscovery": false
    },
    {
      "kind": "drive#permission",
      "id": "05909037819814716957",
      "type": "user",
      "role": "organizer"
    },
    {
      "kind": "drive#permission",
      "id": "13254573739200948291",
      "type": "user",
      "role": "organizer"
    }
  ]
}