FirebaseAuthenticationをiOSに取り込んでみよう入門編

2019/4/16 発表資料
https://classmethod.connpass.com/event/124390/

Transcript

1. Λ
   J04ʹऔΓࠐΜͰΈΑ͏
2. "#065
   .& த҆
   ༎Ұ Ϋϥεϝιουגࣜձࣾ
   ϞόΠϧΞϓϦαʔϏε෦
   J04ΞϓϦΤϯδχΞ ೥ࠒ͔ΒΤϯδχΞ
   7#
   
   1)1
   
   "4
   ೥ࠒ͔ΒJ04ΞϓϦ
   0CKFDUJWF$
   ͷ։ൃ
   ೥Ϋϥεϝιουೖࣾ αοΧʔ؍ઓ
   Ψϯόେࡕ
   ݪ෇όΠΫཱྀ
   ԭೄ΋૸ͬͨΑ
4. ΄ͱΜͲͷΞϓϦͰ͸ɺϢʔβʔ
   *%
   Λࣝผ͢Δඞཁ͕͋Γ ·͢ɻΞϓϦͰϢʔβʔ
   *%
   Λࣝผ͢Δ͜ͱʹΑΓɺϢʔβʔ σʔλΛΫϥ΢υʹ҆શʹอଘͨ͠ΓɺϢʔβʔͷ͢΂ͯ ͷσόΠεͰɺΧελϚΠζ͞Εͨಉ͡ମݧΛఏڙͨ͠Γ Ͱ͖ΔΑ͏ʹͳΓ·͢ɻ
   ެࣜυΩϡϝϯτΑΓ
5. 㾎ΞϓϦʹϢʔβͷҰҙੑΛ͍࣋ͨͤͨγʔϯ͸ଟ͍
   㾎ϩάΠϯػೳΛ࣮૷͢Δ͜ͱͰɺͦͷϢʔβʹಛԽͨ͠ ίϯςϯπΛఏڙ͍ͨ͠
   㾎͔͠͠ɺεΫϥονͰͦͷػೳΛ࡞Δͷ͸޻਺͕ߴ͍
   㾎'JSFCBTF
   "VUIFOUJDBUJPO͸Ϋϥ΢υϕʔεͰ؆୯ʹͦ ͷػೳΛମݱ͢Δ͜ͱ͕Ͱ͖Δ
   㾎ελʔτ෦෼͸ɺαʔόαΠυͷ஌ࣝ͸΄ͱΜͲෆཁ
6. ४උ
7. 'JSFCBTFϓϩδΣΫτͷ࡞੒
8. 'JSFCBTFϓϩδΣΫτͷ࡞੒
9. 'JSFCBTFϓϩδΣΫτͷ࡞੒ બ୒
10. 'JSFCBTFϓϩδΣΫτͷ࡞੒ ໊લΛܾΊΔ ಉҙ
11. 'JSFCBTF4%,Λ௥Ճ
12. 'JSFCBTF4%,Λ௥Ճ
13. 'JSFCBTF4%,Λ௥Ճ J04ʹϥΠϒϥϦ௥Ճ J04ͷઃఆ
14. 'JSFCBTF4%,Λ௥Ճ
15. 'JSFCBTF4%,Λ௥Ճ όϯυϧ*%
    ઃఆ ΞϓϦ໊ ετΞ*%
16. 'JSFCBTF4%,Λ௥Ճ όϯυϧ*%
17. 'JSFCBTF4%,Λ௥Ճ %-͢Δ
18. 'JSFCBTF4%,Λ௥Ճ ϑΝΠϧΛ
    ௥Ճ
19. 'JSFCBTF4%,Λ௥Ճ $PDPBQPET
20. 'JSFCBTF4%,Λ௥Ճ 
    WJ
    1PEpMF QPE
    'JSFCBTF$PSF
    QPE
    'JSFCBTF"VUI 
    QPE
    JOTUBMM
21. 'JSFCBTF4%,Λ௥Ճ
22. 'JSFCBTF4%,Λ௥Ճ import UIKit import Firebase @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { FirebaseApp.configure() return true } }
23. 'JSFCBTF4%,Λ௥Ճ import UIKit import Firebase @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { FirebaseApp.configure() return true } }
24. 'JSFCBTF4%,Λ௥Ճ
25. 'JSFCBTF4%,Λ௥Ճ 0,
26. "VUIFOUJDBUJPOͷઃఆ
27. "VUIFOUJDBUJPOͷઃఆ
28. "VUIFOUJDBUJPOͷઃఆ ϩάΠϯઃఆ
29. "VUIFOUJDBUJPOͷઃఆ
30. "VUIFOUJDBUJPOͷઃఆ ϝʔϧೝূ
31. "VUIFOUJDBUJPOͷઃఆ
32. "VUIFOUJDBUJPOͷઃఆ ༗ޮʹ͢Δ
33. ४උ׬ྃ
34. αΠϯΞοϓػೳΛ࣮૷ ৽نϢʔβొ࿥
35. αΠϯΞοϓ ϑϩʔΠϝʔδ
36. αΠϯΞοϓ import UIKit class SignUpViewController: UIViewController { @IBOutlet private weak var nameTextField: UITextField! @IBOutlet private weak var emailTextField: UITextField! @IBOutlet private weak var passwordTextField: UITextField! @IBAction private func didTapSignUpButton() { // ͋ͱͰ࣮૷ } } ϏϡʔίϯτϩʔϥΛ࡞Δ
37. αΠϯΞοϓ ετʔϦʔϘʔυΛ
    ࡞Δ
38. αΠϯΞοϓ private func errorMessage(of error: Error) -> String { var message = "Τϥʔ͕ൃੜ͠·ͨ͠" guard let errcd = AuthErrorCode(rawValue: (error as NSError).code) else { return message } switch errcd { case .networkError: message = "ωοτϫʔΫʹ઀ଓͰ͖·ͤΜ" case .userNotFound: message = "Ϣʔβ͕ݟ͔ͭΓ·ͤΜ" case .invalidEmail: message = "ෆਖ਼ͳϝʔϧΞυϨεͰ͢" case .emailAlreadyInUse: message = "͜ͷϝʔϧΞυϨε͸طʹ࢖ΘΕ͍ͯ·͢" case .wrongPassword: message = "ೖྗͨ͠ೝূ৘ใͰαΠϯΠϯͰ͖·ͤΜ" case .userDisabled: message = "͜ͷΞΧ΢ϯτ͸ແޮͰ͢" case .weakPassword: message = “ύεϫʔυ͕੬ऑ͗͢·͢" default: break } return message } ΤϥʔॲཧΛઌʹ࡞͓͖ͬͯ·͢
39. αΠϯΞοϓ private func errorMessage(of error: Error) -> String { var message = "Τϥʔ͕ൃੜ͠·ͨ͠" guard let errcd = AuthErrorCode(rawValue: (error as NSError).code) else { return message } switch errcd { case .networkError: message = "ωοτϫʔΫʹ઀ଓͰ͖·ͤΜ" case .userNotFound: message = "Ϣʔβ͕ݟ͔ͭΓ·ͤΜ" case .invalidEmail: message = "ෆਖ਼ͳϝʔϧΞυϨεͰ͢" case .emailAlreadyInUse: message = "͜ͷϝʔϧΞυϨε͸طʹ࢖ΘΕ͍ͯ·͢" case .wrongPassword: message = "ೖྗͨ͠ೝূ৘ใͰαΠϯΠϯͰ͖·ͤΜ" case .userDisabled: message = "͜ͷΞΧ΢ϯτ͸ແޮͰ͢" case .weakPassword: message = “ύεϫʔυ͕੬ऑ͗͢·͢" default: break } return message } ΤϥʔॲཧΛઌʹ࡞͓͖ͬͯ·͢
40. αΠϯΞοϓ ΤϥʔॲཧΛઌʹ࡞͓͖ͬͯ·͢ private func showErrorIfNeeded(_ errorOrNil: Error?) { // Τϥʔ͕ͳ͚Ε͹Կ΋͠·ͤΜ guard let error = errorOrNil else { return } let message = errorMessage(of: error) // ΤϥʔϝοηʔδΛऔಘ let alert = UIAlertController( title: nil, message: message, preferredStyle: .alert ) alert.addAction(UIAlertAction(title: "OK", style: .default, handler: nil)) present(alert, animated: true, completion: nil) }
41. αΠϯΞοϓ 㾎ೖྗ͞Εͨ಺༰ΛόϦσʔτ͢Δ
    㾎'JSFCBTFʹαΠϯΞοϓΛϦΫΤετ͢Δ
    㾎αΠϯΞοϓͨ͠ΞΧ΢ϯτͷϢʔβ໊Λߋ৽͢Δ
    㾎7FSJGZϝʔϧΛૹ৴͢Δ ॲཧͷྲྀΕ ׂѪ
42. αΠϯΞοϓ private func signUp(email: String, password: String, name: String) { // FirebaseʹαΠϯΞοϓΛϦΫΤετ͢Δ } private func updateDisplayName(_ name: String, of user: User) { // αΠϯΞοϓͨ͠ΞΧ΢ϯτͷϢʔβ໊Λߋ৽͢Δ } private func sendEmailVerification(to user: User) { // VerifyϝʔϧΛૹ৴͢Δ } private func showSignUpCompletion() { // ׬ྃͨ͜͠ͱΛදࣔ͢Δ } ॲཧͷྲྀΕ
43. αΠϯΞοϓ @IBAction private func didTapSignUpButton() { let email = emailTextField.text ?? "" let password = passwordTextField.text ?? "" let name = nameTextField.text ?? "" signUp(email: email, password: password, name: name) } αΠϯΞοϓϘλϯԡԼ࣌
44. αΠϯΞοϓ private func signUp(email: String, password: String, name: String) { Auth.auth().createUser(withEmail: email, password: password) { [weak self] result, error in guard let self = self else { return } if let user = result?.user { self.updateDisplayName(name, of: user) } self.showErrorIfNeeded(error) } } 'JSFCBTFʹαΠϯΞοϓΛϦΫΤετ
45. αΠϯΞοϓ private func signUp(email: String, password: String, name: String) { Auth.auth().createUser(withEmail: email, password: password) { [weak self] result, error in guard let self = self else { return } if let user = result?.user { self.updateDisplayName(name, of: user) } self.showErrorIfNeeded(error) } } 'JSFCBTFʹαΠϯΞοϓΛϦΫΤετ "VUI
    ΦϒδΣΫτͷ
    DSFBUF6TFS
    ͰϢʔβ࡞੒
46. αΠϯΞοϓ private func signUp(email: String, password: String, name: String) { Auth.auth().createUser(withEmail: email, password: password) { [weak self] result, error in guard let self = self else { return } if let user = result?.user { self.updateDisplayName(name, of: user) } self.showErrorIfNeeded(error) } } 'JSFCBTFʹαΠϯΞοϓΛϦΫΤετ Ϣʔβ͕ਖ਼ৗʹऔಘͰ͖ͨΒ࣍΁
47. αΠϯΞοϓ private func updateDisplayName(_ name: String, of user: User) { let request = user.createProfileChangeRequest() request.displayName = name request.commitChanges { [weak self] error in guard let self = self else { return } if error != nil { self.sendEmailVerification(to: user) } self.showErrorIfNeeded(error) } } αΠϯΞοϓͨ͠ΞΧ΢ϯτͷϢʔβ໊Λߋ৽
48. αΠϯΞοϓ private func updateDisplayName(_ name: String, of user: User) { let request = user.createProfileChangeRequest() request.displayName = name request.commitChanges { [weak self] error in guard let self = self else { return } if error != nil { self.sendEmailVerification(to: user) } self.showErrorIfNeeded(error) } } αΠϯΞοϓͨ͠ΞΧ΢ϯτͷϢʔβ໊Λߋ৽ ϓϩϑΟʔϧมߋ༻ͷϦΫΤετΦϒδΣΫτΛ࡞Δ
49. αΠϯΞοϓ private func updateDisplayName(_ name: String, of user: User) { let request = user.createProfileChangeRequest() request.displayName = name request.commitChanges { [weak self] error in guard let self = self else { return } if error != nil { self.sendEmailVerification(to: user) } self.showErrorIfNeeded(error) } } αΠϯΞοϓͨ͠ΞΧ΢ϯτͷϢʔβ໊Λߋ৽ มߋ͢Δ໊લΛ୅ೖ
50. αΠϯΞοϓ private func updateDisplayName(_ name: String, of user: User) { let request = user.createProfileChangeRequest() request.displayName = name request.commitChanges { [weak self] error in guard let self = self else { return } if error != nil { self.sendEmailVerification(to: user) } self.showErrorIfNeeded(error) } } αΠϯΞοϓͨ͠ΞΧ΢ϯτͷϢʔβ໊Λߋ৽ DPNNJU$IBOHFT
    ͰมߋΛϦΫΤετ
51. αΠϯΞοϓ private func updateDisplayName(_ name: String, of user: User) { let request = user.createProfileChangeRequest() request.displayName = name request.commitChanges { [weak self] error in guard let self = self else { return } if error != nil { self.sendEmailVerification(to: user) } self.showErrorIfNeeded(error) } } αΠϯΞοϓͨ͠ΞΧ΢ϯτͷϢʔβ໊Λߋ৽ Τϥʔ͕ͳ͚Ε͹࣍΁
52. αΠϯΞοϓ private func sendEmailVerification(to user: User) { user.sendEmailVerification { [weak self] error in guard let self = self else { return } if error != nil { self.showSignUpCompletion() } self.showErrorIfNeeded(error) } } 7FSJGZϝʔϧΛૹ৴͢Δ
53. αΠϯΞοϓ private func sendEmailVerification(to user: User) { user.sendEmailVerification { [weak self] error in guard let self = self else { return } if error != nil { self.showSignUpCompletion() } self.showErrorIfNeeded(error) } } 7FSJGZϝʔϧΛૹ৴͢Δ ϢʔβΦϒδΣΫτͷ
    TFOE&NBJM7FSJpDBUJPO
    Ͱϝʔϧૹ৴
54. αΠϯΞοϓ private func sendEmailVerification(to user: User) { user.sendEmailVerification { [weak self] error in guard let self = self else { return } if error != nil { self.showSignUpCompletion() } self.showErrorIfNeeded(error) } } 7FSJGZϝʔϧΛૹ৴͢Δ Τϥʔ͕ͳ͚Ε͹ऴΘΓ
55. αΠϯΞοϓ 7FSJGZϝʔϧΛૹ৴͢Δ จ໘ͳͲ͸
    'JSFCBTFίϯιʔϧͰ
    ΧελϚΠζͰ͖·͢
56. αΠϯΞοϓ let verified = Auth.auth().currentUser?.isEmailVerified ?? false 7FSJGZϝʔϧΛૹ৴͢Δ 7FSJGZ͞Ε͔ͨͲ͏͔͸ɺJT&NBJM7FSJpFE
    ͰऔಘͰ͖Δ
57. αΠϯΠϯػೳΛ࣮૷
58. αΠϯΠϯ ϑϩʔΠϝʔδ
59. αΠϯΠϯ αΠϯΠϯ import UIKit class SignInViewController: UIViewController { @IBOutlet private weak var emailTextField: UITextField! @IBOutlet private weak var passwordTextField: UITextField! @IBAction private func didTapSignInButton() { // ͋ͱͰ࣮૷ } } ϏϡʔίϯτϩʔϥΛ࡞Δ
60. αΠϯΠϯ ॲཧͷྲྀΕ 㾎ೖྗ͞Εͨ಺༰ΛόϦσʔτ͢Δ
    㾎'JSFCBTFʹαΠϯΠϯΛϦΫΤετ͢Δ ׂѪ
61. αΠϯΠϯ @IBAction private func didTapSignInButton() { let email = emailTextField.text ?? "" let password = passwordTextField.text ?? "" signIn(email: email, password: password) } αΠϯΠϯϘλϯԡԼ࣌
62. αΠϯΠϯ private func signIn(email: String, password: String) { Auth.auth().signIn(withEmail: email, password: password) { [weak self] result, error in guard let self = self else { return } if let user = result?.user { self.showSignInCompletion() } self.showErrorIfNeeded(error) } } 'JSFCBTFʹαΠϯΠϯΛϦΫΤετ
63. αΠϯΠϯ private func signIn(email: String, password: String) { Auth.auth().signIn(withEmail: email, password: password) { [weak self] result, error in guard let self = self else { return } if let user = result?.user { self.showSignInCompletion() } self.showErrorIfNeeded(error) } } 'JSFCBTFʹαΠϯΠϯΛϦΫΤετ "VUI
    ΦϒδΣΫτͷ
    TJHO*O
    ͰαΠϯΠϯ
64. αΠϯΠϯ private func signIn(email: String, password: String) { Auth.auth().signIn(withEmail: email, password: password) { [weak self] result, error in guard let self = self else { return } if let user = result?.user { self.showSignInCompletion() } self.showErrorIfNeeded(error) } } 'JSFCBTFʹαΠϯΠϯΛϦΫΤετ Ϣʔβ͕ਖ਼ৗʹऔಘͰ͖ͨΒ׬ྃ
65. ͦͷଞͷػೳΛ࣮૷
66. ͦͷଞͷػೳ private func passwordReset() { let email = emailTextField.text ?? "" Auth.auth().sendPasswordReset(withEmail: email) { [weak self] error in guard let self = self else { return } if error != nil { self.showPasswordResetCompletion() } self.showErrorIfNeeded(error) } } ύεϫʔυϦηοτ
67. ͦͷଞͷػೳ private func passwordReset() { let email = emailTextField.text ?? "" Auth.auth().sendPasswordReset(withEmail: email) { [weak self] error in guard let self = self else { return } if error != nil { self.showPasswordResetCompletion() } self.showErrorIfNeeded(error) } } ύεϫʔυϦηοτ "VUI
    ΦϒδΣΫτͷ
    TFOE1BTTXPSE3FTFU
    Ͱϝʔϧૹ৴
68. ͦͷଞͷػೳ private func passwordReset() { let email = emailTextField.text ?? "" Auth.auth().sendPasswordReset(withEmail: email) { [weak self] error in guard let self = self else { return } if error != nil { self.showPasswordResetCompletion() } self.showErrorIfNeeded(error) } } ύεϫʔυϦηοτ Τϥʔ͕ͳ͚Ε͹׬ྃ
69. ͦͷଞͷػೳ ͦͷଞͷػೳ private func signOut() { do { try Auth.auth().signOut() } catch let error { showErrorIfNeeded(error) } } αΠϯΞ΢τ
70. ͦͷଞͷػೳ private func signOut() { do { try Auth.auth().signOut() } catch let error { showErrorIfNeeded(error) } } αΠϯΞ΢τ ίʔϧόοΫͷΫϩʔδϟ͸ͳ͍ͷͰɺEPUSZDBUDIͰΤϥʔॲཧ
71. ͦͷଞͷػೳ private func withdraw() { Auth.auth().currentUser?.delete() { [weak self] error in guard let self = self else { return } if error != nil { self.showWithdrawalCompletion() } self.showErrorIfNeeded(error) } } ୀձ
72. ͦͷଞͷػೳ private func withdraw() { Auth.auth().currentUser?.delete() { [weak self] error in guard let self = self else { return } if error != nil { self.showWithdrawalCompletion() } self.showErrorIfNeeded(error) } } ୀձ αΠϯΠϯதͷϢʔβͷ
    EFMFUF
    Ͱ࡟আΛϦΫΤετ
73. ͦͷଞͷػೳ private func withdraw() { Auth.auth().currentUser?.delete() { [weak self] error in guard let self = self else { return } if error != nil { self.showWithdrawalCompletion() } self.showErrorIfNeeded(error) } } ୀձ Τϥʔ͕ͳ͚Ε͹࡟আ׬ྃ
74. ·ͱΊ
75. 㾎4%,ͷ૊ΈࠐΈͱ؆୯ͳιʔείʔυͰϩάΠϯػೳ͕ ؆୯ʹ࣮૷Ͱ͖Δ
    㾎ϝʔϧૹ৴ʹ͍ͭͯ΋ϝιουΛݺͿ͚ͩ
    㾎֤ϓϩόΠμͱ૊Έ߹ΘͤΔ͜ͱͰߋʹϦονͳೝূػ ೳ΋࣮ݱՄೳ
    㾎ಗ໊ϢʔβΛ࡞Δ͜ͱ΋
    㾎'JSFTUPSF΍4UPSBHFͳͲʹ΋૊Έ߹ΘͤΒΕΔ
76. Λ
    J04ʹऔΓࠐΜͰΈΑ͏ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠