Firebase Authorization

Transcript

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   QPUBUPUJQT
    Firebase Authorization Ͱେมͩͬͨ͜ͱ

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   @nakajijapan Software Engineer CAMPFIRE / iOSDC / NKJ Internet iOS

   / Android / Web / macOS
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   NKJMultiMovieCaptureView NKJMovieComposer NKJPagerViewController PhotoSlider Teiten GitHub Sengiri Shari Ajimi Kazaguruma

   iOSDC 2017 Izumo
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   Izumo macOS iPhone / iPad Markdown Note Tool

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   None
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   Firebase Authentication

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   None
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    Firebase Authentication • ϩάΠϯΛ׬ྃ͢Δ • tokenΛϔομʹՃ͑ͯϦΫΤετ • αʔόʔଆͰݕূ

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    ⚠

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    ⚠ • Tokenͷ༗ޮظݶ͸̍࣌ؒ

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    ⚠ • Tokenͷ༗ޮظݶ͸̍࣌ؒ • getIDTokenForcingRefresh()ͷར༻ • ແ͚Ε͹ɺ৽͍͠tokenΛൃߦ

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    Retry

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    None
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    ⚠ • ࣌ʑϦΫΤετʹࣦഊ͢Δ • ͦͷޙɺ௨৴͸࠶։͞ΕΔ

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    RxSwift

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    func retryWithAuthIfNeeded() -> Observable<E> { let firebaseAuthProvider = FirebaseAuthProvier() return

    self.retryWhen({ (errors: Observable<Swift.Error>) in errors.enumerated().flatMap { retryCount, error -> Observable<Void> in guard case let Moya.MoyaError.statusCode(response) = error else { return Observable.error(error) } if response.statusCode != 401 { return Observable.error(error) } if response.statusCode == 401 && retryCount >= 2 { return Observable.error(error) } return firebaseAuthProvider.auth().do(onError: { error in throw error }).map { _ in () } } }) }
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    func auth() -> Observable<Bool> { return Observable<Bool>.create({ observe -> Disposable

    in self.firebaseAuth { success in observe.on(.next(success)) observe.on(.completed) } return Disposables.create() }) }
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    None
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    None
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    ඇಉظ

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    DispatchSemaphore

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    func auth() -> Observable<String> { let semaphore = DispatchSemaphore(value: 1)

    var authError: Error? return Observable<String>.create({ observer in Auth.auth().addStateDidChangeListener({ _, user in guard let user = user else { authError = FirebaseAuthError.unknownUser semaphore.signal() return } user.getIDTokenForcingRefresh(true, completion: { token, error in if error != nil { authError = FirebaseAuthError.noAuthToken semaphore.signal() return } UserCredentials.shared.accessToken = token semaphore.signal() }) }) semaphore.wait() if authError != nil { observer.onError(authError!) } observer.onNext(UserCredentials.shared.accessToken ?? "") observer.onCompleted() return Disposables.create() }) }
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    None
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    DispatchSemaphore

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    func auth() -> Observable<Bool> { return Observable<Bool>.create({ observe -> Disposable

    in self.firebaseAuth { success in observe.on(.next(success)) observe.on(.completed) } return Disposables.create() }) }
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    func auth() -> Observable<Bool> { return Observable<Bool>.create({ observe -> Disposable

    in self.firebaseAuth { success in observe.on(.next(success)) observe.on(.completed) } return Disposables.create() }) }
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    func auth() -> Observable<Bool> { return Observable<Bool>.create({ observe -> Disposable

    in self.firebaseAuth { success in observe.on(.next(success)) observe.on(.completed) } return Disposables.create() }) } ద੾ͳΤϥʔॲཧ͕ߦΘΕ͍ͯͳ͔ͬͨ ੒ޭͯ͠΋ࣦഊͯ͠΋OFYUͯ͠DPNQMFUFE
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    func auth() -> Observable<String> { var authError: Error? return Observable<String>.create({

    observer in Auth.auth().addStateDidChangeListener({ _, user in guard let user = user else { observer.onError(FirebaseAuthError.unknownUser!) return } user.getIDTokenForcingRefresh(true, completion: { token, error in if error != nil { observer.onError(FirebaseAuthError.noAuthToken!) return } observer.onNext(token) observer.onCompleted() }) }) return Disposables.create() }) }
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    None
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    Wrap Up

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    Wrap Up • Token͕੾Εͨͱ͖ͷରॲΛߟྀ͢Δ • retryWhenͰTokenΛߋ৽ͯ͠ϩάΠϯঢ় ଶΛҡ࣋͢Δ • RxSwiftؤுΔ

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    Thanks.