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FirebaseStorage/Sources/Internal/StorageFetcherService.swift
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| @@ -0,0 +1,87 @@ | ||
| // Copyright 2024 Google LLC | ||
| // | ||
| // 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 Foundation | ||
|
|
||
| #if COCOAPODS | ||
| import GTMSessionFetcher | ||
| #else | ||
| import GTMSessionFetcherCore | ||
| #endif | ||
|
|
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| /// Manage Storage's fetcherService | ||
| @available(iOS 13, tvOS 13, macOS 10.15, macCatalyst 13, watchOS 7, *) | ||
| actor StorageFetcherService { | ||
| private var _fetcherService: GTMSessionFetcherService? | ||
|
|
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| func fetcherService(_ storage: Storage) -> GTMSessionFetcherService { | ||
| if let _fetcherService { | ||
| return _fetcherService | ||
| } | ||
| let app = storage.app | ||
| if StorageFetcherService.fetcherServiceMap[app.name] == nil { | ||
| StorageFetcherService.fetcherServiceMap[app.name] = [:] | ||
| } | ||
| var fetcherService = StorageFetcherService.fetcherServiceMap[app.name]?[storage.storageBucket] | ||
| if fetcherService == nil { | ||
| fetcherService = GTMSessionFetcherService() | ||
| fetcherService?.isRetryEnabled = true | ||
| fetcherService?.retryBlock = retryWhenOffline | ||
| fetcherService?.allowLocalhostRequest = true | ||
| fetcherService?.maxRetryInterval = storage.maxOperationRetryInterval | ||
| fetcherService?.testBlock = testBlock | ||
| let authorizer = StorageTokenAuthorizer( | ||
| googleAppID: app.options.googleAppID, | ||
| callbackQueue: storage.callbackQueue, | ||
| authProvider: storage.auth, | ||
| appCheck: storage.appCheck | ||
| ) | ||
| fetcherService?.authorizer = authorizer | ||
| StorageFetcherService.fetcherServiceMap[app.name]?[storage.storageBucket] = fetcherService | ||
| } | ||
| if storage.usesEmulator { | ||
| fetcherService?.allowLocalhostRequest = true | ||
| fetcherService?.allowedInsecureSchemes = ["http"] | ||
| } | ||
| _fetcherService = fetcherService | ||
| return fetcherService! | ||
| } | ||
|
|
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| /// Update the testBlock for unit testing. Save it as a property since this may be called before | ||
| /// fetcherService is initialized. | ||
| func updateTestBlock(_ block: @escaping GTMSessionFetcherTestBlock) { | ||
| testBlock = block | ||
| if let _fetcherService { | ||
| _fetcherService.testBlock = testBlock | ||
| } | ||
| } | ||
|
|
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| private var testBlock: GTMSessionFetcherTestBlock? | ||
|
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| /// Map of apps to a dictionary of buckets to GTMSessionFetcherService. | ||
| private static var fetcherServiceMap: [String: [String: GTMSessionFetcherService]] = [:] | ||
|
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| private var retryWhenOffline: GTMSessionFetcherRetryBlock = { | ||
| (suggestedWillRetry: Bool, | ||
| error: Error?, | ||
| response: @escaping GTMSessionFetcherRetryResponse) in | ||
| var shouldRetry = suggestedWillRetry | ||
| // GTMSessionFetcher does not consider being offline a retryable error, but we do, so we | ||
| // special-case it here. | ||
| if !shouldRetry, error != nil { | ||
| shouldRetry = (error as? NSError)?.code == URLError.notConnectedToInternet.rawValue | ||
| } | ||
| response(shouldRetry) | ||
| } | ||
| } |
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