Amazon CognitoとAmazon S3を組み合わせてiOS向けの写真共有サービスを作ってみた

合同勉強会 in 福岡での発表資料です

https://connpass.com/event/49117/

Amazon CognitoとAmazon S3を組み合わせてiOS向けの写真共有サービスを作るまでの過程を話してきました。

Transcript

1. ɹ2017/02/11 #gbfukuoka ߹ಉษڧձ in ෱Ԭ Amazon CognitoͱAmazon S3Λ૊Έ߹Θͤͯ iOS޲͚ͷࣸਅڞ༗αʔϏεΛ࡞ͬͯΈͨ
2. About Me
3. • ాத ޹໌ (Takaaki Tanaka) • Ϋϥεϝιουגࣜձࣾ • iOS ΞϓϦέʔγϣϯΤϯδχΞ • @kongmingtrap • iOS Developer (Swift / Objective-C) • GyazSquare / GitHub
4. What Service
5. IUUQTXXXQSPEVDUIVOUDPN
6. Motivation
7. ϨϙʔτϒϩάΛࣗಈԽ͍ͨ͠
8. ͳΜͰཉ͍͠ͷʁ • ԕํͷษڧձʹࢀՃͨ࣌͠ • ͳΔ΂͘ࢀՃඅΛग़ͯ͠΋Β͏ͨΊʹϨ ϙʔτΛॻ͘໿ଋΛ͢Δ • Ϩϙʔτ࡞੒Λ؆୯ʹ͍ͨ͠ • ҧ͏ηογϣϯΛௌ͍ͨϝϯόʔͱڞ༗ ͍ͨ͠
10. ࣮ݱํ๏ݕ౼
11. େମ͜͏͍͏ͷΛ࣮ݱ͍ͨ͠ • Ϣʔβʔೝূ • ೝূͨ͠ϢʔβʔͰࣸਅΛૹ৴ • डߨηογϣϯͷબ୒ • Twitterͷϋογϡλά͔Β·ͱΊΔػೳ
12. ཉ͕͋Ε͹͜͏͍͏ͷΛ࣮ݱ͍ͨ͠ • Ի੠ೖྗ • ࡱӨͨࣸ͠ਅͷࣗಈఴ෇ • ΞοϓϩʔυऴྃΛPushͰ௨஌
14. ଓ͚ΒΕ·͔͢…ʁ • WebAPIͷߏங͕ೖΔͱ࡞ۀ͕࣌ؒ૿େ͢ Δ • ࣌ؒΛ͔͚Ε͹͔͚Δ΄ͲϞνϕʔγϣ ϯ͸Լ͕Δ • ͓͕͔͔ۚΔ͜ͱ͸ϋʔυϧ্͕͕Δ
 ʢࠓ݄ϐϯν͔ͩΒདྷ݄΍Ζ͏ʣ
15. ࠷খͷख਺Ͱ࠷େͷޮՌΛಘΔ
16. େମ͜͏͍͏ͷΛ࣮ݱ͍ͨ͠ • Ϣʔβʔೝূ • ೝূͨ͠ϢʔβʔͰࣸਅΛૹ৴ • डߨηογϣϯͷબ୒ • Twitterͷϋογϡλά͔Β·ͱΊΔػೳ
17. Amazon S3 • ΦϒδΣΫτετϨʔδαʔ Ϗε • Ͳ͔͜ΒͰ΋༰ྔʹؔ܎ͳ͘ σʔλΛ֨ೲ͓ΑͼऔಘͰ͖ Δ
19. Bucket Policy
20. ͕͢͞ʹ୭Ͱ΋ॻ͖ࠐΊΔͷ͸·͍ͣ…
21. ೝূΛ௥Ճ
22. Amazon Cognito • ϢʔβʔͷΞΠσϯςΟςΟ΍ σʔλಉظʹؔ͢ΔػೳΛఏڙ • AWS ͷαʔϏεΛར༻͢Δ
 Ϣʔβʔʹ ҰҙͷΞΠσϯςΟ ςΟ Λ༩͑ΔͨΊͷαʔϏε
24. AWS Mobile SDK ʴ
25. CocoaPods TPVSDF
    IUUQTHJUIVCDPN$PDPB1PET4QFDTHJU
    QMBUGPSN
    JPT
    
    XPSLTQBDF
    3FQPSU$BNFSB
    YDPEFQSPK
    3FQPSU$BNFSB
    VTF@GSBNFXPSLT
    UBSHFU
    3FQPSU$BNFSB
    EP
    QPE
    "84$PHOJUP
    QPE
    'BCSJD
    QPE
    5XJUUFS,JU
    QPE
    5XJUUFS$PSF
    FOE
    
26. Fabric SDK
27. Fabric SDK DMBTT
    "QQ%FMFHBUF
    6*3FTQPOEFS
    6*"QQMJDBUJPO%FMFHBUF
    \
    … func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { // Override point for customization after application launch. Fabric.with([AWSCognito.self, Twitter.self]) return true }
28. Fabric
29. Create identity pool
30. Create identity pool
31. IAM • Ϣʔβʔʹରͯ͠ AWS ΁ͷΞ ΫηεΛ҆શʹ੍ޚ͢ΔͨΊͷ ࢓૊Έ • ೝূࡁͷϢʔβʔ͕Bucketʹॻ ͖ࠐΊΔݖݶΛ෇༩͢Δ
32. IAM
33. IAM
34. ४උ͸Ͱ͖ͨͷͰΞϓϦଆͷ࣮૷
35. Login Button let logInButton = TWTRLogInButton { (session, error) in if let unwrappedSession = session { let value = unwrappedSession.authToken + ";" + unwrappedSession.authTokenSecret let provider = TwitterProvider(tokens: ["api.twitter.com": value as NSString]) let credentialsProvider = AWSCognitoCredentialsProvider( regionType:.APNortheast1, identityPoolId: "ap-northeast-1:xxxxxxxx-xxxx-xxxx- xxxx-xxxxxxxxxxxx", identityProviderManager: provider) let configuration = AWSServiceConfiguration(region:.APNortheast1, credentialsProvider: credentialsProvider) AWSServiceManager.default().defaultServiceConfiguration = configuration } else { NSLog("Login error: %@", error!.localizedDescription); } }
38. Identities
39. ࣸਅࡱӨϩδοΫͷ࣮૷
40. func captureImage(sampleBuffer: CMSampleBuffer) -> UIImage { let imageBuffer: CVImageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer)! CVPixelBufferLockBaseAddress(imageBuffer, CVPixelBufferLockFlags(rawValue: 0)) let baseAddress: UnsafeMutableRawPointer = CVPixelBufferGetBaseAddressOfPlane(imageBuffer, 0)! let bytesPerRow: Int = CVPixelBufferGetBytesPerRow(imageBuffer) let width:Int = CVPixelBufferGetWidth(imageBuffer) let height:Int = CVPixelBufferGetHeight(imageBuffer) let colorSpace: CGColorSpace = CGColorSpaceCreateDeviceRGB() let newContext: CGContext = CGContext(data: baseAddress, width: width, height: height, bitsPerComponent: 8, bytesPerRow: bytesPerRow, space: colorSpace, bitmapInfo: CGImageAlphaInfo.premultipliedFirst.rawValue| CGBitmapInfo.byteOrder32Little.rawValue)! let imageRef: CGImage = newContext.makeImage()! let resultImage = UIImage(cgImage: imageRef, scale: 1.0, orientation: UIImageOrientation.right) return resultImage }
41. let request = AWSS3TransferManagerUploadRequest() request?.bucket = "report-camera" request?.key = "images/original/\ (createAt.timeIntervalSince1970)-\(imageURL.lastPathComponent)" request?.body = imageURL return AWSS3TransferManager.default().upload(request!) S3΁ૹ৴
42. S3΁ૹ৴
44. Demo
45. Recap
46. w ҰਓͰ։ൃ͢Δͷ͸ਏ͍
    w ͳΔ΂͘खؒΛ͔͚ͳ͍
    w ເΛ༩͑͗͢ͳ͍
    w ເΛݟա͗ͳ͍ Recap
47. ͋Γ͕ͱ͏͍͟͝·ͨ͠