Chat App with api and frontend

Author: richeshgupta

api

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+
+
+
+AWS_S3_ACCESS_KEY_ID = 'AKIAIYD4ZMBV6W2DK6KQ'
+AWS_S3_SECRET_ACCESS_KEY = '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'
+AWS_STORAGE_BUCKET_NAME = 'chatapprepo-richesh'
+AWS_HOST_REGION='s3.amazonaws.com'
+AWS_S3_CUSTOM_DOMAIN = '%s.s3.amazonaws.com' % AWS_STORAGE_BUCKET_NAME
+S3_BUCKET_URL = AWS_S3_CUSTOM_DOMAIN
+AWS_LOCATION = 'static'
+
+
+STATICFILES_STORAGE = 'storages.backends.s3boto3.S3Boto3Storage'
+
+
+SOCKET_SERVER = '127.0.0.1:9000"
+
+
+
+
+
+DB_NAME=securebit-db
+DB_USER=postgres
+DB_PASSWORD=admin123
+DB_HOST=127.0.0.1
+DB_PORT=5432
+

api/.env.example

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+{
+    "python.pythonPath": "/home/adefemigreat/.virtualenvs/chatapp_env/bin/python"
+}

api/.vscode/settings.json

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+version: '3'
+
+services:
+  postgres:
+    container_name: postgres_container
+    image: postgres
+    environment:
+      POSTGRES_USER: "postgres"
+      POSTGRES_PASSWORD: "admin123"
+      PGDATA: /data/postgres
+    volumes:
+       - postgres:/data/postgres
+    ports:
+      - "5432:5432"
+    networks:
+      - postgres
+    restart: unless-stopped
+
+networks:
+  postgres:
+    driver: bridge
+
+volumes:
+    postgres:

api/DatabaseManagement/docker-compose.yml

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+FROM python:3.6
+
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
+
+RUN mkdir /chatapi
+
+WORKDIR /chatapi
+
+COPY . /chatapi/
+
+RUN pip install --upgrade pip && pip install pip-tools && pip install -r requirements.txt 

api/Dockerfile

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+# This is a simple chat api to with socket.io

api/README.md

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+"""
+ASGI config for chatapi project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'chatapi.settings')
+
+application = get_asgi_application()

api/chatapi/__init__.py

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+from rest_framework.permissions import BasePermission, SAFE_METHODS
+from django.utils import timezone
+from rest_framework.views import exception_handler
+from rest_framework.response import Response
+from django.contrib.auth import authenticate
+
+
+class IsAuthenticatedCustom(BasePermission):
+
+    def has_permission(self, request, view):
+        from user_control.views import decodeJWT
+        user = decodeJWT(request.META['HTTP_AUTHORIZATION'])
+        if not user:
+            return False
+        request.user = user
+        if request.user and request.user.is_authenticated:
+            from user_control.models import CustomUser
+            CustomUser.objects.filter(id=request.user.id).update(
+                is_online=timezone.now())
+            return True
+        return False
+
+
+class IsAuthenticatedOrReadCustom(BasePermission):
+    def has_permission(self, request, view):
+        if request.method in SAFE_METHODS:
+            return True
+
+        if request.user and request.user.is_authenticated:
+            from user_control.models import CustomUser
+            CustomUser.objects.filter(id=request.user.id).update(
+                is_online=timezone.now())
+            return True
+        return False
+
+
+def custom_exception_handler(exc, context):
+
+    response = exception_handler(exc, context)
+
+    if response is not None:
+        return response
+
+    exc_list = str(exc).split("DETAIL: ")
+
+    return Response({"error": exc_list[-1]}, status=403)

api/chatapi/asgi.py

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+"""
+Django settings for chatapi project.
+
+Generated by 'django-admin startproject' using Django 3.1.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/3.1/ref/settings/
+"""
+
+from pathlib import Path
+import os
+from decouple import config
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve(strict=True).parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/3.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = '10y83$&yi^2_g_y*r^eeabge40t&0ioyd9=m-4h-sc!0aq4rjm'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = ['*']
+
+AUTH_USER_MODEL = "user_control.CustomUser"
+
+REST_FRAMEWORK = {
+    'EXCEPTION_HANDLER': 'chatapi.custom_methods.custom_exception_handler',
+    "DEFAULT_PAGINATION_CLASS": "rest_framework.pagination.PageNumberPagination",
+    "PAGE_SIZE": 20,
+}
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'rest_framework',
+    'user_control',
+    'message_control',
+    'chatapi',
+    'corsheaders',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'corsheaders.middleware.CorsMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'chatapi.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'chatapi.wsgi.application'
+
+CORS_ORIGIN_ALLOW_ALL = True
+CORS_ALLOW_HEADERS = (
+    'x-requested-with',
+    'content-type',
+    'accept',
+    'origin',
+    'authorization',
+    'accept-encoding',
+    'x-csrftoken',
+    'access-control-allow-origin',
+    'content-disposition'
+)
+CORS_ALLOW_CREDENTIALS = False
+CORS_ALLOW_METHODS = ('GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'OPTIONS')
+
+
+# Database
+# https://docs.djangoproject.com/en/3.1/ref/settings/#databases
+
+DB_NAME = config("DB_NAME")
+DB_USER = config("DB_USER")
+DB_PASSWORD = config("DB_PASSWORD")
+DB_HOST = config("DB_HOST")
+DB_PORT = config("DB_PORT")
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql_psycopg2',
+        'NAME': DB_NAME,
+        'USER': DB_USER,
+        'PASSWORD': DB_PASSWORD,
+        'HOST': DB_HOST,
+        'PORT': DB_PORT,
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/3.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/3.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/3.1/howto/static-files/
+
+
+S3_BUCKET_URL = config('S3_BUCKET_URL')
+STATIC_ROOT = 'staticfiles'
+
+AWS_ACCESS_KEY_ID = config('AWS_S3_ACCESS_KEY_ID')
+AWS_SECRET_ACCESS_KEY = config('AWS_S3_SECRET_ACCESS_KEY')
+AWS_STORAGE_BUCKET_NAME = config('AWS_STORAGE_BUCKET_NAME')
+AWS_HOST_REGION = config('AWS_HOST_REGION')
+AWS_S3_CUSTOM_DOMAIN = '%s.s3.amazonaws.com' % AWS_STORAGE_BUCKET_NAME
+AWS_DEFAULT_ACL = None
+
+AWS_LOCATION = 'static'
+
+MEDIA_URL = '/media/'
+
+
+STATICFILES_DIRS = [
+    os.path.join(BASE_DIR, 'chatapi/static'),
+]
+STATIC_URL = 'https://%s/%s/' % (AWS_S3_CUSTOM_DOMAIN, AWS_LOCATION)
+STATICFILES_STORAGE = 'storages.backends.s3boto3.S3Boto3Storage'
+
+
+AWS_S3_OBJECT_PARAMETERS = {
+    'CacheControl': 'max-age=86400',
+}
+
+
+DEFAULT_FILE_STORAGE = 'chatapi.storage_backends.MediaStorage'
+
+SOCKET_SERVER = config("SOCKET_SERVER")

api/chatapi/custom_methods.py

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+from storages.backends.s3boto3 import S3Boto3Storage
+
+
+class MediaStorage(S3Boto3Storage):
+    location = 'media'
+    file_overwrite = False

api/chatapi/settings.py

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+
+from django.contrib import admin
+from django.urls import path, include
+from django.conf.urls.static import static
+from django.conf import settings
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('user/', include('user_control.urls')),
+    path('message/', include('message_control.urls'))
+] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

api/chatapi/storage_backends.py

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+"""
+WSGI config for chatapi project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'chatapi.settings')
+
+application = get_wsgi_application()

api/chatapi/urls.py

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+version: "3"
+
+services:
+  api:
+    build: .
+    command: bash -c "python manage.py runserver 0.0.0.0:8000"
+    container_name: chatapi
+    restart: unless-stopped
+    volumes:
+      - .:/chatapi
+    ports:
+      - "8000:8000"
+    networks:
+      - postgres
+
+networks:
+  postgres:
+    driver: bridge