blob: 398914bbc20d17ddc69eb777174a59c3ee12f460 (
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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Copyright 2018 Google
*
* 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 "FIRAuthWebUtils.h"
#import "FIRAuthBackend.h"
#import "FIRAuthErrorUtils.h"
#import "FIRGetProjectConfigRequest.h"
#import "FIRGetProjectConfigResponse.h"
/** @var kAuthDomainSuffix
@brief The suffix of the auth domain pertiaining to a given Firebase project.
*/
static NSString *const kAuthDomainSuffix = @"firebaseapp.com";
@implementation FIRAuthWebUtils
+ (NSString *)randomStringWithLength:(NSUInteger)length {
NSMutableString *randomString = [[NSMutableString alloc] init];
for (int i=0; i < length; i++) {
[randomString appendString:
[NSString stringWithFormat:@"%c", 'a' + arc4random_uniform('z' - 'a' + 1)]];
}
return randomString;
}
+ (BOOL)isCallbackSchemeRegisteredForCustomURLScheme:(NSString *)URLScheme {
NSString *expectedCustomScheme = [URLScheme lowercaseString];
NSArray *urlTypes = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleURLTypes"];
for (NSDictionary *urlType in urlTypes) {
NSArray *urlTypeSchemes = urlType[@"CFBundleURLSchemes"];
for (NSString *urlTypeScheme in urlTypeSchemes) {
if ([urlTypeScheme.lowercaseString isEqualToString:expectedCustomScheme]) {
return YES;
}
}
}
return NO;
}
+ (void)fetchAuthDomainWithRequestConfiguration:(FIRAuthRequestConfiguration *)requestConfiguration
completion:(FIRFetchAuthDomainCallback)completion {
FIRGetProjectConfigRequest *request =
[[FIRGetProjectConfigRequest alloc] initWithRequestConfiguration:requestConfiguration];
[FIRAuthBackend getProjectConfig:request
callback:^(FIRGetProjectConfigResponse *_Nullable response,
NSError *_Nullable error) {
if (error) {
completion(nil, error);
return;
}
NSString *authDomain;
for (NSString *domain in response.authorizedDomains) {
NSInteger index = domain.length - kAuthDomainSuffix.length;
if (index >= 2) {
if ([domain hasSuffix:kAuthDomainSuffix] && domain.length >= kAuthDomainSuffix.length + 2) {
authDomain = domain;
break;
}
}
}
if (!authDomain.length) {
completion(nil, [FIRAuthErrorUtils unexpectedErrorResponseWithDeserializedResponse:response]);
return;
}
completion(authDomain, nil);
}];
}
/** @fn queryItemValue:from:
@brief Utility function to get a value from a NSURLQueryItem array.
@param name The key.
@param queryList The NSURLQueryItem array.
@return The value for the key.
*/
+ (NSString *)queryItemValue:(NSString *)name from:(NSArray<NSURLQueryItem *> *)queryList {
for (NSURLQueryItem *item in queryList) {
if ([item.name isEqualToString:name]) {
return item.value;
}
}
return nil;
}
@end
|
