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@haruya_hamasaki

【個人開発】WEBサービスのログイン機能をAWS Cognitoで実装する②

Last updated at Posted at 2023-03-02

はじめに

本記事は以下の続きの記事となっております。
https://qiita.com/rihib/items/e5bbd522c96925102dba

Signup検証機能画面(html)

activation.html
<!doctype html>
<html lang="ja">
  <head>
    <meta charset="UTF-8">
    <!-- viewport meta -->
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Required bootstrap -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
    <!-- Required cognito -->
    <script src="js/cognito/jsbn.js"></script>
    <script src="js/cognito/jsbn2.js"></script>
    <script src="js/cognito/sjcl.js"></script>
    <script src="js/cognito/aws-sdk.min.js"></script>
    <script src="js/cognito/aws-cognito-sdk.min.js"></script>
    <script src="js/cognito/amazon-cognito-identity.min.js"></script>
    <!-- Required jquery -->
    <script src="js/jquery-3.6.0.min.js"></script>
    <!-- Required js/css -->
    <script src="js/activation.js"></script>
  </head>
  <body>
    <div>
      <!-- サインインフォーム -->
      <div id="activation" class="container-fluid w-75 p-3">
        <h1>Activation</h1>
        <div id="message"><span style="color: red;"></span></div>
            <form name="form-activation">
                <br><div class="row mb-3">
                <label class="col-sm-2 col-form-label">User ID</label>
                <div class="col-sm-10">
                    <input class="form-control" id="username" placeholder="User ID">
                </div>
                </div>
                <br><div class="row mb-3">
                <label for="inputPassword3" class="col-sm-2 col-form-label">Activation Key</label>
                <div class="col-sm-10">
                    <input class="form-control" id="activationKey" placeholder="Activation Key">
                    <div>
                        <small>※登録メールアドレスに送付された検証コードを入力ください</small>
                    </div>
                </div>
                </div>
                <br>
                <button type="button" class="btn btn-primary" id="activationButton">Activation</button>
            </form>
        </div>
      </div>
    </div>
  </body>
</html>

Signup検証機能ロジック(JavaScript)

activation.js
// ユーザープールの設定
var user_pool_id = "{USER_POOL_ID}"
var client_id = "{CLIENT_ID}"
const poolData = {
  UserPoolId : user_pool_id,
  ClientId : client_id
};
const userPool = new AmazonCognitoIdentity.CognitoUserPool(poolData);

/**
* 画面読み込み時の処理
*/
$(function() {
    // 「Activate」ボタン押下時
    $("#activationButton").click(function(event) {
        activate();
    });
});

// アクティベーション処理
var activate = function() {

  //エラーメッセージ初期化
  $("div#message span").empty();

  var username = $("#username").val();
  var activationKey = $("#activationKey").val();
  
  // 何か1つでも未入力の項目がある場合、処理を中断
  if (!username | !activationKey) {
    $("div#message span").append("項目に入力漏れがあります");
    return false;
  } 

  var userData = {
      Username : username,
      Pool : userPool
  };
  var cognitoUser = new AmazonCognitoIdentity.CognitoUser(userData);
  
  // アクティベーション処理
  cognitoUser.confirmRegistration(activationKey, true, function(err, result){
      if (err) {
          // アクティベーション失敗の場合、エラーメッセージを画面に表示
          if (err.message != null) {
              if (err.massage == "Invalid verification code provided, please try again.") {
                $("div#message span").append("入力が正しくありません");
              } else {
                $("div#message span").append(err.message);
              }
          }
      } else {
        window.location.href = './index.html';
      }
  });
};

Signin画面(html)

signin.html
<!doctype html>
<html lang="ja">
  <head>
    <meta charset="UTF-8">
    <!-- viewport meta -->
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Required bootstrap -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
    <!-- Required cognito -->
    <script src="js/cognito/jsbn.js"></script>
    <script src="js/cognito/jsbn2.js"></script>
    <script src="js/cognito/sjcl.js"></script>
    <script src="js/cognito/aws-sdk.min.js"></script>
    <script src="js/cognito/aws-cognito-sdk.min.js"></script>
    <script src="js/cognito/amazon-cognito-identity.min.js"></script>
    <!-- Required jquery -->
    <script src="js/jquery-3.6.0.min.js"></script>
    <!-- Required js/css -->
    <link rel="stylesheet" href="css/score.css">
    <script src="js/signin.js"></script>
  </head>
  <body>
    <div>
      <div>
        <div class="container-fluid w-75 p-3">
          <div class="d-flex justify-content-end" id="signinup">
            <a class="d-flex text-black-50 fs-6" href="./signup.html">会員登録</a>&emsp;<a class="d-flex text-black-50 fs-6" href="./user.html">トップページ</a>
          </div>
        </div>
      </div>
      <!-- サインインフォーム -->
      <div id="signin" class="container-fluid w-75 p-3">
        <h1>Sign In</h1>
        <div id="message"><span style="color: red;"></span></div>
            <form name="form-signin">
                <br><div class="row mb-3">
                <label class="col-sm-2 col-form-label">User ID</label>
                <div class="col-sm-10">
                    <input class="form-control" id="username" required>
                </div>
                </div>
                <br><div class="row mb-3">
                <label for="inputPassword3" class="col-sm-2 col-form-label">Password</label>
                <div class="col-sm-10">
                    <input type="password" class="form-control" id="password" required>
                </div>
                </div>
                <br>
                <button type="button" class="btn btn-primary" id="signinButton">Sign in</button>
            </form>
        </div>
      </div>
    </div>
  </body>
</html>

Signinロジック(JavaScript)

signin.js
// ユーザープールの設定
var user_pool_id = "{USER_POOL_ID}"
var client_id = "{CLIENT_ID}"
const poolData = {
  UserPoolId : user_pool_id,
  ClientId : client_id
};
const userPool = new AmazonCognitoIdentity.CognitoUserPool(poolData);

// サインイン処理
var signIn = function() {
  var username = $('#username').val();
  var password = $('#password').val();
  
  // 何か1つでも未入力の項目がある場合、メッセージを表示して処理を中断
  if (!username | !password) { 
    $("#signin div#message span").empty();
    $("#signin div#message span").append("項目に入力漏れがあります");
    return false; 
  }
  
  // 認証データの作成
  var authenticationData = {
      Username: username,
      Password: password
  };
  var authenticationDetails = new AmazonCognitoIdentity.AuthenticationDetails(authenticationData);
  
  var userData = {
      Username: username,
      Pool: userPool
  };
  var cognitoUser = new AmazonCognitoIdentity.CognitoUser(userData);
  
  // 認証処理
  cognitoUser.authenticateUser(authenticationDetails, {
      onSuccess: function (result) {
          var idToken = result.getIdToken().getJwtToken();          // IDトークン
          var accessToken = result.getAccessToken().getJwtToken();  // アクセストークン
          var refreshToken = result.getRefreshToken().getToken();   // 更新トークン
          
          console.log("idToken : " + idToken);
          console.log("accessToken : " + accessToken);
          console.log("refreshToken : " + refreshToken);
          
          window.location.href = './index.html';
      },
      onFailure: function(err) {
          // サインイン失敗の場合、エラーメッセージを画面に表示
          console.log(err);
          $("div#message span").empty();
          if (err.message == "Password attempts exceeded") {
            $("div#message span").append("パスワードを試行回数を超えました");
          } else if (err.message == "Incorrect username or password.") {
            $("div#message span").append("入力が正しくありません");
          };
      }
  });
};

参考

おまけ

本記事の機能は以下のサービスで利用されています。
気になった方は、お気軽にサービスも利用くださると大変嬉しいです。

観た映画を登録、管理できるサービス　MyMovie

映画一覧.png

サービスURL : mymovie.jp
GitHub : github.com/hamasakiharuya/mymovie

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