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// Copyright 2017 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 "FIRStorageUploadTask.h"
#import "FIRStorageConstants_Private.h"
#import "FIRStorageMetadata_Private.h"
#import "FIRStorageObservableTask_Private.h"
#import "FIRStorageTask_Private.h"
#import "FIRStorageUploadTask_Private.h"
#import "GTMSessionUploadFetcher.h"
@implementation FIRStorageUploadTask
@synthesize progress = _progress;
@synthesize fetcherCompletion = _fetcherCompletion;
- (instancetype)initWithReference:(FIRStorageReference *)reference
fetcherService:(GTMSessionFetcherService *)service
data:(NSData *)uploadData
metadata:(FIRStorageMetadata *)metadata {
self = [super initWithReference:reference fetcherService:service];
if (self) {
_uploadMetadata = [metadata copy];
_uploadData = [uploadData copy];
_progress = [NSProgress progressWithTotalUnitCount:[_uploadData length]];
if (!_uploadMetadata.contentType) {
_uploadMetadata.contentType = @"application/octet-stream";
}
}
return self;
}
- (instancetype)initWithReference:(FIRStorageReference *)reference
fetcherService:(GTMSessionFetcherService *)service
file:(NSURL *)fileURL
metadata:(FIRStorageMetadata *)metadata {
self = [super initWithReference:reference fetcherService:service];
if (self) {
_uploadMetadata = [metadata copy];
_fileURL = [fileURL copy];
_progress = [NSProgress progressWithTotalUnitCount:0];
NSString *mimeType = [FIRStorageUtils MIMETypeForExtension:[_fileURL pathExtension]];
if (!_uploadMetadata.contentType) {
_uploadMetadata.contentType = mimeType ?: @"application/octet-stream";
}
}
return self;
}
- (void)dealloc {
[_uploadFetcher stopFetching];
}
- (void)enqueue {
NSAssert([NSThread isMainThread],
@"Upload attempting to execute on non main queue! Please only "
@"execute this method on the main queue.");
self.state = FIRStorageTaskStateQueueing;
NSMutableURLRequest *request = [self.baseRequest mutableCopy];
request.HTTPMethod = @"POST";
request.timeoutInterval = self.reference.storage.maxUploadRetryTime;
NSData *bodyData = [NSData frs_dataFromJSONDictionary:[_uploadMetadata dictionaryRepresentation]];
request.HTTPBody = bodyData;
[request setValue:@"application/json; charset=UTF-8" forHTTPHeaderField:@"Content-Type"];
NSString *contentLengthString =
[NSString stringWithFormat:@"%zu", (unsigned long)[bodyData length]];
[request setValue:contentLengthString forHTTPHeaderField:@"Content-Length"];
NSURLComponents *components =
[NSURLComponents componentsWithURL:request.URL resolvingAgainstBaseURL:NO];
if ([components.host isEqual:kGCSHost]) {
[components setPercentEncodedPath:[@"/upload" stringByAppendingString:components.path]];
}
NSDictionary *queryParams = @{@"uploadType" : @"resumable", @"name" : self.uploadMetadata.path};
[components setPercentEncodedQuery:[FIRStorageUtils queryStringForDictionary:queryParams]];
request.URL = components.URL;
GTMSessionUploadFetcher *uploadFetcher =
[GTMSessionUploadFetcher uploadFetcherWithRequest:request
uploadMIMEType:_uploadMetadata.contentType
chunkSize:kGTMSessionUploadFetcherStandardChunkSize
fetcherService:self.fetcherService];
if (_uploadData) {
[uploadFetcher setUploadData:_uploadData];
uploadFetcher.comment = @"Data UploadTask";
} else if (_fileURL) {
[uploadFetcher setUploadFileURL:_fileURL];
uploadFetcher.comment = @"File UploadTask";
}
uploadFetcher.maxRetryInterval = self.reference.storage.maxUploadRetryTime;
__weak FIRStorageUploadTask *weakSelf = self;
[uploadFetcher setSendProgressBlock:^(int64_t bytesSent, int64_t totalBytesSent,
int64_t totalBytesExpectedToSend) {
weakSelf.state = FIRStorageTaskStateProgress;
weakSelf.progress.completedUnitCount = totalBytesSent;
weakSelf.progress.totalUnitCount = totalBytesExpectedToSend;
weakSelf.metadata = self->_uploadMetadata;
[weakSelf fireHandlersForStatus:FIRStorageTaskStatusProgress snapshot:weakSelf.snapshot];
weakSelf.state = FIRStorageTaskStateRunning;
}];
_uploadFetcher = uploadFetcher;
// Process fetches
self.state = FIRStorageTaskStateRunning;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-retain-cycles"
_fetcherCompletion = ^(NSData *_Nullable data, NSError *_Nullable error) {
// Fire last progress updates
[self fireHandlersForStatus:FIRStorageTaskStatusProgress snapshot:self.snapshot];
// Handle potential issues with upload
if (error) {
self.state = FIRStorageTaskStateFailed;
self.error = [FIRStorageErrors errorWithServerError:error reference:self.reference];
self.metadata = self->_uploadMetadata;
[self fireHandlersForStatus:FIRStorageTaskStatusFailure snapshot:self.snapshot];
[self removeAllObservers];
self->_fetcherCompletion = nil;
return;
}
// Upload completed successfully, fire completion callbacks
self.state = FIRStorageTaskStateSuccess;
NSDictionary *responseDictionary = [NSDictionary frs_dictionaryFromJSONData:data];
if (responseDictionary) {
FIRStorageMetadata *metadata =
[[FIRStorageMetadata alloc] initWithDictionary:responseDictionary];
[metadata setType:FIRStorageMetadataTypeFile];
self.metadata = metadata;
} else {
self.error = [FIRStorageErrors errorWithInvalidRequest:data];
}
[self fireHandlersForStatus:FIRStorageTaskStatusSuccess snapshot:self.snapshot];
[self removeAllObservers];
self->_fetcherCompletion = nil;
};
#pragma clang diagnostic pop
[_uploadFetcher
beginFetchWithCompletionHandler:^(NSData *_Nullable data, NSError *_Nullable error) {
weakSelf.fetcherCompletion(data, error);
}];
}
#pragma mark - Upload Management
- (void)cancel {
NSAssert([NSThread isMainThread],
@"Cancel attempting to execute on non main queue! Please only "
@"execute this method on the main queue.");
self.state = FIRStorageTaskStateCancelled;
[_uploadFetcher stopFetching];
if (self.state != FIRStorageTaskStateSuccess) {
self.metadata = _uploadMetadata;
}
self.error = [FIRStorageErrors errorWithCode:FIRStorageErrorCodeCancelled];
[self fireHandlersForStatus:FIRStorageTaskStatusFailure snapshot:self.snapshot];
}
- (void)pause {
NSAssert([NSThread isMainThread],
@"Pause attempting to execute on non main queue! Please only "
@"execute this method on the main queue.");
self.state = FIRStorageTaskStatePaused;
[_uploadFetcher pauseFetching];
if (self.state != FIRStorageTaskStateSuccess) {
self.metadata = _uploadMetadata;
}
[self fireHandlersForStatus:FIRStorageTaskStatusPause snapshot:self.snapshot];
}
- (void)resume {
NSAssert([NSThread isMainThread],
@"Resume attempting to execute on non main queue! Please only "
@"execute this method on the main queue.");
self.state = FIRStorageTaskStateResuming;
[_uploadFetcher resumeFetching];
if (self.state != FIRStorageTaskStateSuccess) {
self.metadata = _uploadMetadata;
}
[self fireHandlersForStatus:FIRStorageTaskStatusResume snapshot:self.snapshot];
self.state = FIRStorageTaskStateRunning;
}
@end
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