blob: 545deb5fcad361c4b781a7d269bc8d0c875f3138 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#import "MakeRPCViewController.h"
#import <AuthTestService/AuthSample.pbrpc.h>
#import <Google/SignIn.h>
#import <ProtoRPC/ProtoRPC.h>
NSString * const kTestScope = @"https://www.googleapis.com/auth/xapi.zoo";
static NSString * const kTestHostAddress = @"grpc-test.sandbox.googleapis.com";
// Category for RPC errors to create the descriptions as we want them to appear on our view.
@interface NSError (AuthSample)
- (NSString *)UIDescription;
@end
@implementation NSError (AuthSample)
- (NSString *)UIDescription {
if (self.code == GRPCErrorCodeUnauthenticated) {
// Authentication error. OAuth2 specifies we'll receive a challenge header.
// |userInfo[kGRPCHeadersKey]| is the dictionary of response headers.
NSString *challengeHeader = self.userInfo[kGRPCHeadersKey][@"www-authenticate"] ?: @"";
return [@"Invalid credentials. Server challenge:\n" stringByAppendingString:challengeHeader];
} else {
// Any other error.
return [NSString stringWithFormat:@"Unexpected RPC error %li: %@",
(long)self.code, self.localizedDescription];
}
}
@end
@implementation MakeRPCViewController
- (void)viewWillAppear:(BOOL)animated {
// Create a service client and a proto request as usual.
AUTHTestService *client = [[AUTHTestService alloc] initWithHost:kTestHostAddress];
AUTHRequest *request = [AUTHRequest message];
request.fillUsername = YES;
request.fillOauthScope = YES;
// Create a not-yet-started RPC. We want to set the request headers on this object before starting
// it.
ProtoRPC *call =
[client RPCToUnaryCallWithRequest:request handler:^(AUTHResponse *response, NSError *error) {
if (response) {
// This test server responds with the email and scope of the access token it receives.
self.mainLabel.text = [NSString stringWithFormat:@"Used scope: %@ on behalf of user %@",
response.oauthScope, response.username];
} else {
self.mainLabel.text = error.UIDescription;
}
}];
// Set the access token to be used.
NSString *accessToken = GIDSignIn.sharedInstance.currentUser.authentication.accessToken;
call.requestHeaders[@"Authorization"] = [@"Bearer " stringByAppendingString:accessToken];
// Start the RPC.
[call start];
self.mainLabel.text = @"Waiting for RPC to complete...";
}
@end
|
