mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-09 22:36:01 +05:45
80 lines
2.6 KiB
Swift
80 lines
2.6 KiB
Swift
// Copyright 2022 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
|
|
import FirebaseAppCheckInterop
|
|
import FirebaseAuthInterop
|
|
import FirebaseCore
|
|
|
|
// Avoids exposing internal FirebaseCore APIs to Swift users.
|
|
@_implementationOnly import FirebaseCoreExtension
|
|
|
|
@objc(FIRStorageProvider)
|
|
protocol StorageProvider {
|
|
@objc func storage(for bucket: String) -> Storage
|
|
}
|
|
|
|
@objc(FIRStorageComponent) class StorageComponent: NSObject, Library, StorageProvider {
|
|
// MARK: - Private Variables
|
|
|
|
/// The app associated with all Storage instances in this container.
|
|
private let app: FirebaseApp
|
|
|
|
/// A map of active instances, grouped by app. Keys are FirebaseApp names and values are arrays
|
|
/// containing all instances of Storage associated with the given app.
|
|
private var instances: [String: Storage] = [:]
|
|
|
|
/// Lock to manage access to the instances array to avoid race conditions.
|
|
private var instancesLock: os_unfair_lock = .init()
|
|
|
|
// MARK: - Initializers
|
|
|
|
required init(app: FirebaseApp) {
|
|
self.app = app
|
|
}
|
|
|
|
// MARK: - Library conformance
|
|
|
|
static func componentsToRegister() -> [Component] {
|
|
let appCheckInterop = Dependency(with: AppCheckInterop.self, isRequired: false)
|
|
let authInterop = Dependency(with: AuthInterop.self, isRequired: false)
|
|
return [Component(StorageProvider.self,
|
|
instantiationTiming: .lazy,
|
|
dependencies: [
|
|
appCheckInterop,
|
|
authInterop,
|
|
]) { container, isCacheable in
|
|
guard let app = container.app else { return nil }
|
|
isCacheable.pointee = true
|
|
return self.init(app: app)
|
|
}]
|
|
}
|
|
|
|
// MARK: - StorageProvider conformance
|
|
|
|
func storage(for bucket: String) -> Storage {
|
|
os_unfair_lock_lock(&instancesLock)
|
|
|
|
// Unlock before the function returns.
|
|
defer { os_unfair_lock_unlock(&instancesLock) }
|
|
|
|
if let instance = instances[bucket] {
|
|
return instance
|
|
}
|
|
let newInstance = FirebaseStorage.Storage(app: app, bucket: bucket)
|
|
instances[bucket] = newInstance
|
|
return newInstance
|
|
}
|
|
}
|