前提・実現したいこと
AWSを用いてiOSアプリ(SNSアプリ)のバックエンドを構築中です。
AmazonAmplifyというAPIを用いていて、AmazonS3というストレージにiPhoneから画像をアップロードするプログラムを
AWS公式のGitHubからそのままコピペしたのですが、アップロードできません。
発生している問題・エラーメッセージ
The operation couldn’t be completed.(com.amazonaws.AWSCognitoIdentityErrorDomain error 5.)
該当のソースコード
swift
1import UIKit 2import AWSS3 3import AWSMobileClient 4import AWSAuthUI 5 6class uplaodViewController: UIViewController, UINavigationControllerDelegate { 7 8 @IBOutlet var progressView: UIProgressView! 9 @IBOutlet var statusLabel: UILabel! 10 11 @objc var completionHandler: AWSS3TransferUtilityUploadCompletionHandlerBlock? 12 @objc var progressBlock: AWSS3TransferUtilityProgressBlock? 13 14 @objc let imagePicker = UIImagePickerController() 15 16 @objc lazy var transferUtility = { 17 AWSS3TransferUtility.default() 18 }() 19 20 override func viewDidLoad() { 21 super.viewDidLoad() 22 23 super.viewDidLoad() 24 // Do any additional setup after loading the view, typically from a nib. 25 self.progressView.progress = 0.0; 26 self.statusLabel.text = "Ready" 27 self.imagePicker.delegate = self as! UIImagePickerControllerDelegate & UINavigationControllerDelegate 28 29 self.progressBlock = {(task, progress) in 30 DispatchQueue.main.async(execute: { 31 if (self.progressView.progress < Float(progress.fractionCompleted)) { 32 self.progressView.progress = Float(progress.fractionCompleted) 33 } 34 }) 35 } 36 37 self.completionHandler = { (task, error) -> Void in 38 DispatchQueue.main.async(execute: { 39 if let error = error { 40 print("Failed with error: (error)") 41 self.statusLabel.text = "Failed" 42 } 43 else if(self.progressView.progress != 1.0) { 44 self.statusLabel.text = "Failed" 45 NSLog("Error: Failed - Likely due to invalid region / filename") 46 } 47 else{ 48 self.statusLabel.text = "Success" 49 } 50 }) 51 } 52 } 53 54 @IBAction func selectAndUpload(_ sender: UIButton) { 55 imagePicker.allowsEditing = false 56 imagePicker.sourceType = .photoLibrary 57 58 present(imagePicker, animated: true, completion: nil) 59 } 60 61 62 @objc func uploadImage(with data: Data) { 63 let expression = AWSS3TransferUtilityUploadExpression() 64 expression.progressBlock = progressBlock 65 66 DispatchQueue.main.async(execute: { 67 self.statusLabel.text = "" 68 self.progressView.progress = 0 69 }) 70 71 transferUtility.uploadData( 72 data, 73 key: "S3UploadKeyName", 74 contentType: "image/png", 75 expression: expression, 76 completionHandler: completionHandler).continueWith { (task) -> AnyObject? in 77 if let error = task.error { 78 print("Error: (error.localizedDescription)") 79 80 DispatchQueue.main.async { 81 self.statusLabel.text = "Failed" 82 } 83 } 84 85 if let _ = task.result { 86 87 DispatchQueue.main.async { 88 self.statusLabel.text = "Uploading..." 89 print("Upload Starting!") 90 } 91 92 // Do something with uploadTask. 93 } 94 95 return nil; 96 } 97} 98 99} 100 101extension uplaodViewController: UIImagePickerControllerDelegate { 102 103 public func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) { 104// Local variable inserted by Swift 4.2 migrator. 105let info = convertFromUIImagePickerControllerInfoKeyDictionary(info) 106 107 if "public.image" == info[convertFromUIImagePickerControllerInfoKey(UIImagePickerController.InfoKey.mediaType)] as? String { 108 let image: UIImage = info[convertFromUIImagePickerControllerInfoKey(UIImagePickerController.InfoKey.originalImage)] as! UIImage 109 self.uploadImage(with: image.pngData()!) 110 } 111 112 113 dismiss(animated: true, completion: nil) 114 } 115} 116 117// Helper function inserted by Swift 4.2 migrator. 118fileprivate func convertFromUIImagePickerControllerInfoKeyDictionary(_ input: [UIImagePickerController.InfoKey: Any]) -> [String: Any] { 119 return Dictionary(uniqueKeysWithValues: input.map {key, value in (key.rawValue, value)}) 120} 121 122// Helper function inserted by Swift 4.2 migrator. 123fileprivate func convertFromUIImagePickerControllerInfoKey(_ input: UIImagePickerController.InfoKey) -> String { 124 return input.rawValue 125} 126
試したこと
検索をかけてみて、英語での解決策を見出している方々を見つけましたが、com.amazonaws.AWSCognitoIdentityErrorDomain error 5 というエラーではなく、私の求めている解決策ではありませんでした。
補足情報(FW/ツールのバージョンなど)
Xcode11.3.1
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