Objective-C Google Drive: Create a Permission for a File

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Creates a new permission for a file. (In this example the permission is created for the file with id = 1BXNQ4sMDD1WibOtcYqgQlwJa0MAa6rTQ)

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

#import <CkoRest.h>
#import <CkoOAuth2.h>
#import <CkoJsonObject.h>
#import <CkoStringBuilder.h>
#import <NSString.h>

CkoRest *rest = [[CkoRest alloc] init];
BOOL success;

//   Provide a previously obtained OAuth2 access token.
CkoOAuth2 *oauth2 = [[CkoOAuth2 alloc] init];
oauth2.AccessToken = @"OAUTH2_ACCESS_TOKEN";
[rest SetAuthOAuth2: oauth2];

success = [rest Connect: @"www.googleapis.com" port: [NSNumber numberWithInt: 443] tls: YES autoReconnect: YES];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

[rest AddQueryParam: @"includeTeamDriveItems" value: @"true"];
[rest AddQueryParam: @"supportsTeamDrives" value: @"true"];

//  The following code creates the JSON request body.
//  The JSON created by this code is shown below.
CkoJsonObject *jsonReq = [[CkoJsonObject alloc] init];
[jsonReq UpdateString: @"role" value: @"reader"];
[jsonReq UpdateString: @"type" value: @"anyone"];

CkoStringBuilder *sbReq = [[CkoStringBuilder alloc] init];
[jsonReq EmitSb: sbReq];

[rest AddHeader: @"Content-Type" value: @"application/json"];

CkoStringBuilder *sbJson = [[CkoStringBuilder alloc] init];
success = [rest FullRequestSb: @"POST" uriPath: @"/drive/v3/files/1BXNQ4sMDD1WibOtcYqgQlwJa0MAa6rTQ/permissions" requestBody: sbReq responseBody: sbJson];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

if ([rest.ResponseStatusCode intValue] != 200) {
    NSLog(@"%@%d",@"Received error response code: ",[rest.ResponseStatusCode intValue]);
    NSLog(@"%@",@"Response body:");
    NSLog(@"%@",[sbJson GetAsString]);
    return;
}

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json LoadSb: sbJson];

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.
NSString *kind = 0;
NSString *id = 0;
NSString *type = 0;
NSString *role = 0;
BOOL allowFileDiscovery;

kind = [json StringOf: @"kind"];
id = [json StringOf: @"id"];
type = [json StringOf: @"type"];
role = [json StringOf: @"role"];
allowFileDiscovery = [json BoolOf: @"allowFileDiscovery"];

NSLog(@"%@",@"Example Completed.");

Sample JSON Request Body

{
  "role": "reader",
  "type": "anyone"
}

Sample JSON Response Body

{
  "kind": "drive#permission",
  "id": "anyoneWithLink",
  "type": "anyone",
  "role": "reader",
  "allowFileDiscovery": false
}