python fastapi access and refresh token

Author: wpcodevo

Diff for: .env

@@ -0,0 +1,16 @@
+DATABASE_PORT=6500
+POSTGRES_PASSWORD=password123
+POSTGRES_USER=postgres
+POSTGRES_DB=fastapi
+POSTGRES_HOST=postgres
+POSTGRES_HOSTNAME=127.0.0.1
+
+ACCESS_TOKEN_EXPIRES_IN=15
+REFRESH_TOKEN_EXPIRES_IN=60
+JWT_ALGORITHM=RS256
+
+CLIENT_ORIGIN=http://localhost:3000
+
+
+JWT_PRIVATE_KEY=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
+JWT_PUBLIC_KEY=LS0tLS1CRUdJTiBQVUJMSUMgS0VZLS0tLS0KTUZ3d0RRWUpLb1pJaHZjTkFRRUJCUUFEU3dBd1NBSkJBSSs3QnZUS0FWdHVQYzEzbEFkVk94TlVmcWxzMm1SVgppUFpSclRaY3d5eEVYVURqTWhWbi9KVHRsd3h2a281T0pBQ1k3dVE0T09wODdiM3NOU3ZNd2xNQ0F3RUFBUT09Ci0tLS0tRU5EIFBVQkxJQyBLRVktLS0tLQ==

Diff for: .gitignore

@@ -0,0 +1,3 @@
+__pycache__
+venv/
+# .env

Diff for: Makefile

@@ -0,0 +1,5 @@
+dev:
+	docker-compose up -d
+
+dev-down:
+	docker-compose down

Diff for: alembic.ini

@@ -0,0 +1,105 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = alembic
+
+# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
+# Uncomment the line below if you want the files to be prepended with date and time
+# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
+# for all available tokens
+# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.
+prepend_sys_path = .
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the python-dateutil library that can be
+# installed by adding `alembic[tz]` to the pip requirements
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the
+# "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; This defaults
+# to alembic/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path.
+# The path separator used here should be the separator specified by "version_path_separator" below.
+# version_locations = %(here)s/bar:%(here)s/bat:alembic/versions
+
+# version path separator; As mentioned above, this is the character used to split
+# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep.
+# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas.
+# Valid values for version_path_separator are:
+#
+# version_path_separator = :
+# version_path_separator = ;
+# version_path_separator = space
+version_path_separator = os  # Use os.pathsep. Default configuration used for new projects.
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+sqlalchemy.url = driver://user:pass@localhost/dbname
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

Diff for: alembic/README

@@ -0,0 +1 @@
+Generic single-database configuration.

Diff for: alembic/env.py

@@ -0,0 +1,82 @@
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+from app.config import settings
+from app.models import Base
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+config.set_main_option(
+    "sqlalchemy.url", f"postgresql+psycopg2://{settings.POSTGRES_USER}:{settings.POSTGRES_PASSWORD}@{settings.POSTGRES_HOSTNAME}:{settings.DATABASE_PORT}/{settings.POSTGRES_DB}")
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = Base.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

Diff for: alembic/script.py.mako

@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

Diff for: alembic/versions/15770e820938_created_users_table.py

@@ -0,0 +1,40 @@
+"""created_users_table
+
+Revision ID: 15770e820938
+Revises: 
+Create Date: 2022-07-06 15:11:26.439123
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '15770e820938'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('users',
+    sa.Column('id', postgresql.UUID(), server_default=sa.text('uuid_generate_v4()'), nullable=False),
+    sa.Column('name', sa.String(), nullable=False),
+    sa.Column('email', sa.String(), nullable=False),
+    sa.Column('password', sa.String(), nullable=False),
+    sa.Column('photo', sa.String(), nullable=True),
+    sa.Column('verified', sa.Boolean(), server_default='False', nullable=False),
+    sa.Column('role', sa.String(), server_default='user', nullable=False),
+    sa.Column('created_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('email')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('users')
+    # ### end Alembic commands ###

Diff for: app/__init__.py

@@ -0,0 +1,24 @@
+from pydantic import BaseSettings, EmailStr
+
+
+class Settings(BaseSettings):
+    DATABASE_PORT: int
+    POSTGRES_PASSWORD: str
+    POSTGRES_USER: str
+    POSTGRES_DB: str
+    POSTGRES_HOST: str
+    POSTGRES_HOSTNAME: str
+
+    JWT_PUBLIC_KEY: str
+    JWT_PRIVATE_KEY: str
+    REFRESH_TOKEN_EXPIRES_IN: int
+    ACCESS_TOKEN_EXPIRES_IN: int
+    JWT_ALGORITHM: str
+
+    CLIENT_ORIGIN: str
+
+    class Config:
+        env_file = './.env'
+
+
+settings = Settings()

Diff for: app/config.py

@@ -0,0 +1,21 @@
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+from .config import settings
+
+SQLALCHEMY_DATABASE_URL = f"postgresql://{settings.POSTGRES_USER}:{settings.POSTGRES_PASSWORD}@{settings.POSTGRES_HOSTNAME}:{settings.DATABASE_PORT}/{settings.POSTGRES_DB}"
+
+engine = create_engine(
+    SQLALCHEMY_DATABASE_URL
+)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base = declarative_base()
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()

Diff for: app/database.py

@@ -0,0 +1,27 @@
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from app.config import settings
+from app.routers import user, auth
+
+app = FastAPI()
+
+origins = [
+    settings.CLIENT_ORIGIN,
+]
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+app.include_router(auth.router, tags=['Auth'], prefix='/api/auth')
+app.include_router(user.router, tags=['Users'], prefix='/api/users')
+
+
+@app.get('/api/healthchecker')
+def root():
+    return {'message': 'Hello World'}

Diff for: app/main.py

@@ -0,0 +1,20 @@
+from uuid import UUID
+from .database import Base
+from sqlalchemy import TIMESTAMP, Column, String, Boolean, text
+from sqlalchemy.dialects.postgresql import UUID
+
+
+class User(Base):
+    __tablename__ = 'users'
+    id = Column(UUID, primary_key=True, nullable=False,
+                server_default=text("uuid_generate_v4()"))
+    name = Column(String,  nullable=False)
+    email = Column(String, unique=True, nullable=False)
+    password = Column(String, nullable=False)
+    photo = Column(String, nullable=True)
+    verified = Column(Boolean, nullable=False, server_default='False')
+    role = Column(String, server_default='user', nullable=False)
+    created_at = Column(TIMESTAMP(timezone=True),
+                        nullable=False, server_default=text("now()"))
+    updated_at = Column(TIMESTAMP(timezone=True),
+                        nullable=False, server_default=text("now()"))