mirror of
https://github.com/google/app-check
synced 2026-11-09 22:05:52 +05:45
c7eb17e554
Signed-off-by: Nick Cooke <36927374+ncooke3@users.noreply.github.com> Co-authored-by: Nick Cooke <36927374+ncooke3@users.noreply.github.com> Co-authored-by: Nick Cooke <nickcooke@google.com>
99 lines
3.2 KiB
Swift
99 lines
3.2 KiB
Swift
// Copyright 2026 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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#if SWIFT_PACKAGE
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import AppCheckCore
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#endif
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import Foundation
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@preconcurrency import RecaptchaInterop
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@available(iOS 15.0, visionOS 1.0, *)
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@available(macOS, unavailable)
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@available(macCatalyst, unavailable)
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@available(tvOS, unavailable)
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@available(watchOS, unavailable)
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final class RecaptchaTokenGenerator {
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static let networkErrorCode = 1
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static let internalErrorCode = 100
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private let recaptchaAction: RCAActionProtocol
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private let recaptchaClientTask: Task<RCARecaptchaClientProtocol, Error>
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private let backoffWrapper: AppCheckCoreBackoffWrapperProtocol
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init(siteKey: String, recaptchaAction: RCAActionProtocol,
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recaptchaClass: RCARecaptchaProtocol.Type,
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backoffWrapper: AppCheckCoreBackoffWrapperProtocol) {
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self.recaptchaAction = recaptchaAction
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self.backoffWrapper = backoffWrapper
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recaptchaClientTask = Task {
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try await withSafeCheckedThrowingContinuation { continuation in
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recaptchaClass.fetchClient(withSiteKey: siteKey) { client, error in
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if let client {
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continuation.resume(returning: client)
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} else {
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continuation.resume(throwing: error ?? AppCheckCoreErrorUtil
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.error(withFailureReason: "Failed to fetch Recaptcha client"))
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}
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}
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}
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}
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}
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func getRecaptchaToken() async throws -> String {
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let client = try await recaptchaClientTask.value
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let operationProvider: () async throws -> String = {
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try await withSafeCheckedThrowingContinuation { continuation in
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let recaptchaAction = self.recaptchaAction
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client.execute(withAction: recaptchaAction) { token, error in
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if let token {
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continuation.resume(returning: token)
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} else {
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continuation.resume(throwing: Self.mapRecaptchaError(error))
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}
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}
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}
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}
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let errorHandler: (Error) -> AppCheckCoreBackoffType = { error in
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let nsError = error as NSError
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if nsError.domain == AppCheckCoreErrorDomain && nsError.code == AppCheckCoreErrorCode
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.serverUnreachable.rawValue {
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return .exponential
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}
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return .none
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}
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return try await backoffWrapper.applyBackoffToOperation(
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operationProvider,
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errorHandler: errorHandler
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)
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}
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private static func mapRecaptchaError(_ error: Error?) -> Error {
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guard let error = error as NSError? else {
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return AppCheckCoreErrorUtil.error(withFailureReason: "Failed to execute Recaptcha action")
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}
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if error.code == Self.networkErrorCode || error.code == Self.internalErrorCode {
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return AppCheckCoreErrorUtil.apiError(withNetworkError: error)
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}
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return AppCheckCoreErrorUtil.unknownError(with: error)
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}
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}
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