feat: kakao login

server/apps/wapl/migrations/0002_user_kakao_id.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.5 on 2023-01-31 09:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wapl', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='kakao_id',
+            field=models.IntegerField(default=-1),
+        ),
+    ]

server/apps/wapl/models.py

@@ -10,4 +10,5 @@ class User(AbstractUser):
     gender = None
     job = None
     desc = None
-    email = models.EmailField(null=True)
+    email = models.EmailField(null=True)
+    kakao_id = models.IntegerField(default=-1)

server/apps/wapl/templates/login.html

@@ -23,6 +23,7 @@
         <div>
           <a href="{% url 'wapl:signup' %}">회원가입</a>
           <a href="{% provider_login_url 'google' %}">구글 로그인</a>
+          <a href="{% url 'wapl:kakao_login' %}">카카오 로그인</a>
         </div>
       </div>
     </div>

server/apps/wapl/urls.py

@@ -4,13 +4,13 @@
 app_name = "wapl"
 
 urlpatterns= [
-
     path("main", views.main, name="main"),
     path("login", views.login, name="login"),
     path("logout", views.logout, name="logout"),
     path("signup", views.signup, name="signup"),
     path("", views.start, name="start"),
+    path("kakao", views.kakao_login, name="kakao_login"),
+    path("accounts/kakao/login/callback/", views.kakao_callback, name="kakao_callback"),
     # path("plan", views.create, name="create"), # 용현님 일정 ajax
     # path("plan/<int:pk>", views.comment, name="comment"), # 윤정님 일정 상세
-
 ]

server/apps/wapl/views.py

@@ -2,10 +2,10 @@
 from django.shortcuts import render, redirect
 from django.http.request import HttpRequest
 from . import forms
+from . import models
 from django.contrib import auth
-
-
-# Create your views here.
+import requests
+from django.http import JsonResponse
 
 def main(request:HttpRequest,*args, **kwargs):
     return render(request, "main.html")
@@ -19,7 +19,7 @@ def signup(request:HttpRequest, *args, **kwargs):
         if form.is_valid():
             user = form.save()
             auth.login(request, user, backend='django.contrib.auth.backends.ModelBackend')
-            return redirect('wapl:login')
+            return redirect('wapl:main')
         else:
             return redirect('wapl:signup')
     else:
@@ -36,7 +36,6 @@ def login(request:HttpRequest, *args, **kwargs):
         if form.is_valid():
             user = form.get_user()
             auth.login(request, user, backend='django.contrib.auth.backends.ModelBackend')
-            print("로그인 성공~~~~~~~~~")
             return redirect('wapl:main')
         else:
             context = {
@@ -53,3 +52,46 @@ def login(request:HttpRequest, *args, **kwargs):
 def logout(request:HttpRequest, *args, **kwargs):
     auth.logout(request)
     return redirect('wapl:start')
+
+def kakao_login(request, *args, **kwargs):
+    client_id = "9b8c21fe30f9bef16b12a8a512bf18a0"
+    REDIRECT_URI = "http://localhost:8000/accounts/kakao/login/callback/"
+    return redirect(
+        f"https://kauth.kakao.com/oauth/authorize?client_id={client_id}&redirect_uri={REDIRECT_URI}&response_type=code"
+    )
+
+def kakao_callback(request):
+    try:
+        code = request.GET.get("code")
+        client_id = "9b8c21fe30f9bef16b12a8a512bf18a0"
+        redirect_uri = "http://localhost:8000/accounts/kakao/login/callback/"
+        token_request = requests.get(
+            f"https://kauth.kakao.com/oauth/token?grant_type=authorization_code&client_id={client_id}&redirect_uri={redirect_uri}&code={code}"
+        )
+        token_json = token_request.json()
+
+        error = token_json.get("error",None)
+        if error is not None :
+            return JsonResponse({"message": "INVALID_CODE"}, status = 400)
+        access_token = token_json.get("access_token")
+        #------get kakaotalk profile info------#
+        profile_request = requests.get(
+            "https://kapi.kakao.com/v2/user/me", headers={"Authorization" : f"Bearer {access_token}"},
+        )
+        profile_json = profile_request.json()
+        kakao_id = profile_json.get("id")
+    except KeyError:
+        return JsonResponse({"message" : "INVALID_TOKEN"}, status = 400)
+    except access_token.DoesNotExist:
+        return JsonResponse({"message" : "INVALID_TOKEN"}, status = 400)
+
+    if models.User.objects.filter(kakao_id = kakao_id).exists():
+        user = models.User.objects.get(kakao_id = kakao_id)
+        login(request, user)
+        return redirect('wapl:main')
+    else:
+        user = models.User(
+            kakao_id = kakao_id,
+        ).save()
+        login(request, user)
+        return redirect('wapl:main')