Added oauth2 for Android client, build authentication-service

rodrigorodrigues · rodrigorodrigues · commit d54a7eac283a · 2026-02-01T22:55:56.000Z
diff --git a/authentication-service/src/main/java/com/microservice/authentication/controller/AndroidOAuth2Controller.java b/authentication-service/src/main/java/com/microservice/authentication/controller/AndroidOAuth2Controller.java
@@ -0,0 +1,17 @@
+package com.microservice.authentication.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class AndroidOAuth2Controller {
+
+    @GetMapping("/android/oauth2/callback")
+    public String androidOAuth2Callback() {
+        // After successful OAuth2 authentication with Google,
+        // Spring Security redirects here with authenticated session
+        // Android app will intercept this URL via intent-filter
+        // and handle the authentication
+        return "oauth2-android-success";
+    }
+}
diff --git a/authentication-service/src/main/resources/application.yml b/authentication-service/src/main/resources/application.yml
@@ -92,6 +92,8 @@ spring:
                             redirect-uris:
                                 - "http://127.0.0.1:3000"
                                 - "http://127.0.0.1:9999"
+                                - "http://192.168.1.26:8080/android/oauth2/callback"
+                                - "http://192.168.1.26:9999/android/oauth2/callback"
                             scopes:
                                 - "openid"
                                 - "profile"
@@ -149,6 +151,7 @@ spring:
                                 - "refresh_token"
                             redirect-uris:
                                 - "https://spendingbetter.com"
+                                - "https://spendingbetter.com/android/oauth2/callback"
                             scopes:
                                 - "openid"
                                 - "profile"
diff --git a/authentication-service/src/main/resources/templates/oauth2-android-success.html b/authentication-service/src/main/resources/templates/oauth2-android-success.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Authentication Successful</title>
+    <style>
+        body {
+            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            min-height: 100vh;
+            margin: 0;
+            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+            color: white;
+        }
+        .container {
+            text-align: center;
+            padding: 2rem;
+        }
+        .success-icon {
+            font-size: 4rem;
+            margin-bottom: 1rem;
+        }
+        h1 {
+            margin: 0 0 1rem 0;
+            font-size: 2rem;
+        }
+        p {
+            margin: 0;
+            font-size: 1.1rem;
+            opacity: 0.9;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="success-icon">✓</div>
+        <h1>Authentication Successful</h1>
+        <p>You can close this tab and return to the app.</p>
+    </div>
+</body>
+</html>
