mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-09 22:36:01 +05:45
104 lines
3.2 KiB
Swift
104 lines
3.2 KiB
Swift
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import FirebaseAppCheckInterop
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import FirebaseAuthInterop
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import FirebaseMessagingInterop
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import Foundation
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/// FunctionsContext is a helper class for gathering metadata for a function call.
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class FunctionsContext: NSObject {
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let authToken: String?
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let fcmToken: String?
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let appCheckToken: String?
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let limitedUseAppCheckToken: String?
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init(authToken: String?, fcmToken: String?, appCheckToken: String?,
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limitedUseAppCheckToken: String?) {
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self.authToken = authToken
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self.fcmToken = fcmToken
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self.appCheckToken = appCheckToken
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self.limitedUseAppCheckToken = limitedUseAppCheckToken
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}
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}
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class FunctionsContextProvider: NSObject {
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private var auth: AuthInterop?
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private var messaging: MessagingInterop?
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private var appCheck: AppCheckInterop?
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init(auth: AuthInterop?, messaging: MessagingInterop?, appCheck: AppCheckInterop?) {
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self.auth = auth
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self.messaging = messaging
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self.appCheck = appCheck
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}
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// TODO: Implement async await version
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// @available(macOS 10.15.0, *)
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// internal func getContext() async throws -> FunctionsContext {
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// return FunctionsContext(authToken: nil, fcmToken: nil, appCheckToken: nil)
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//
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// }
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func getContext(options: HTTPSCallableOptions? = nil,
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_ completion: @escaping ((FunctionsContext, Error?) -> Void)) {
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let dispatchGroup = DispatchGroup()
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var authToken: String?
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var appCheckToken: String?
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var error: Error?
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var limitedUseAppCheckToken: String?
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if let auth {
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dispatchGroup.enter()
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auth.getToken(forcingRefresh: false) { token, authError in
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authToken = token
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error = authError
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dispatchGroup.leave()
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}
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}
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if let appCheck {
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dispatchGroup.enter()
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if options?.requireLimitedUseAppCheckTokens == true {
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appCheck.getLimitedUseToken? { tokenResult in
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// Send only valid token to functions.
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if tokenResult.error == nil {
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limitedUseAppCheckToken = tokenResult.token
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}
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dispatchGroup.leave()
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}
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} else {
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appCheck.getToken(forcingRefresh: false) { tokenResult in
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// Send only valid token to functions.
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if tokenResult.error == nil {
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appCheckToken = tokenResult.token
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}
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dispatchGroup.leave()
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}
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}
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}
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dispatchGroup.notify(queue: .main) {
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let context = FunctionsContext(authToken: authToken,
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fcmToken: self.messaging?.fcmToken,
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appCheckToken: appCheckToken,
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limitedUseAppCheckToken: limitedUseAppCheckToken)
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completion(context, error)
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}
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}
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}
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