mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-09 22:36:01 +05:45
Paul Beusterien
7c53489e03
* Travis to Xcode 10.1 * Update to clang-format 8 * Update clang-format homebrew link * Work around space in filename style.sh issue
127 lines
4.4 KiB
Objective-C
127 lines
4.4 KiB
Objective-C
// 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 "FIRStorageGetDownloadURLTask.h"
|
|
|
|
#import "FIRStorageTask_Private.h"
|
|
|
|
@implementation FIRStorageGetDownloadURLTask {
|
|
@private
|
|
FIRStorageVoidURLError _completion;
|
|
}
|
|
|
|
@synthesize fetcher = _fetcher;
|
|
@synthesize fetcherCompletion = _fetcherCompletion;
|
|
|
|
- (instancetype)initWithReference:(FIRStorageReference *)reference
|
|
fetcherService:(GTMSessionFetcherService *)service
|
|
dispatchQueue:(dispatch_queue_t)queue
|
|
completion:(FIRStorageVoidURLError)completion {
|
|
self = [super initWithReference:reference fetcherService:service dispatchQueue:queue];
|
|
if (self) {
|
|
_completion = [completion copy];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
[_fetcher stopFetching];
|
|
}
|
|
|
|
+ (NSURL *)downloadURLFromMetadataDictionary:(NSDictionary *)dictionary {
|
|
NSString *downloadTokens = dictionary[kFIRStorageMetadataDownloadTokens];
|
|
|
|
if (downloadTokens && downloadTokens.length > 0) {
|
|
NSArray<NSString *> *downloadTokenArray = [downloadTokens componentsSeparatedByString:@","];
|
|
NSString *bucket = dictionary[kFIRStorageMetadataBucket];
|
|
NSString *path = dictionary[kFIRStorageMetadataName];
|
|
NSString *fullPath = [NSString stringWithFormat:kFIRStorageFullPathFormat, bucket,
|
|
[FIRStorageUtils GCSEscapedString:path]];
|
|
|
|
NSURLComponents *components = [[NSURLComponents alloc] init];
|
|
components.scheme = kFIRStorageScheme;
|
|
components.host = kFIRStorageHost;
|
|
components.percentEncodedPath = fullPath;
|
|
|
|
// The backend can return an arbitrary number of download tokens, but we only expose the first
|
|
// token via the download URL.
|
|
NSURLQueryItem *altItem = [[NSURLQueryItem alloc] initWithName:@"alt" value:@"media"];
|
|
NSURLQueryItem *tokenItem = [[NSURLQueryItem alloc] initWithName:@"token"
|
|
value:downloadTokenArray[0]];
|
|
components.queryItems = @[ altItem, tokenItem ];
|
|
|
|
return [components URL];
|
|
}
|
|
|
|
return nil;
|
|
}
|
|
|
|
- (void)enqueue {
|
|
__weak FIRStorageGetDownloadURLTask *weakSelf = self;
|
|
|
|
[self dispatchAsync:^() {
|
|
FIRStorageGetDownloadURLTask *strongSelf = weakSelf;
|
|
|
|
if (!strongSelf) {
|
|
return;
|
|
}
|
|
|
|
NSMutableURLRequest *request = [strongSelf.baseRequest mutableCopy];
|
|
request.HTTPMethod = @"GET";
|
|
request.timeoutInterval = strongSelf.reference.storage.maxOperationRetryTime;
|
|
|
|
FIRStorageVoidURLError callback = strongSelf->_completion;
|
|
strongSelf->_completion = nil;
|
|
|
|
GTMSessionFetcher *fetcher = [strongSelf.fetcherService fetcherWithRequest:request];
|
|
strongSelf->_fetcher = fetcher;
|
|
fetcher.comment = @"GetDownloadURLTask";
|
|
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Warc-retain-cycles"
|
|
strongSelf->_fetcherCompletion = ^(NSData *data, NSError *error) {
|
|
NSURL *downloadURL;
|
|
if (error) {
|
|
if (!self.error) {
|
|
self.error = [FIRStorageErrors errorWithServerError:error reference:self.reference];
|
|
}
|
|
} else {
|
|
NSDictionary *responseDictionary = [NSDictionary frs_dictionaryFromJSONData:data];
|
|
if (responseDictionary != nil) {
|
|
downloadURL =
|
|
[FIRStorageGetDownloadURLTask downloadURLFromMetadataDictionary:responseDictionary];
|
|
if (!downloadURL) {
|
|
self.error =
|
|
[FIRStorageErrors errorWithCustomMessage:@"Failed to retrieve a download URL."];
|
|
}
|
|
} else {
|
|
self.error = [FIRStorageErrors errorWithInvalidRequest:data];
|
|
}
|
|
}
|
|
|
|
if (callback) {
|
|
callback(downloadURL, self.error);
|
|
}
|
|
|
|
self->_fetcherCompletion = nil;
|
|
};
|
|
#pragma clang diagnostic pop
|
|
[fetcher beginFetchWithCompletionHandler:^(NSData *data, NSError *error) {
|
|
weakSelf.fetcherCompletion(data, error);
|
|
}];
|
|
}];
|
|
};
|
|
|
|
@end
|