### Installation and Running the FastAPI Example

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/quick_start/index.md

Steps to clone the aioauth repository, install dependencies, and run the FastAPI example server.

```bash
git clone git@github.com:aliev/aioauth.git
cd aioauth/examples
pip install -r requirements.txt
python3 fastapi_example.py
```

--------------------------------

### FastAPI Project Setup

Source: https://github.com/aliev/aioauth/blob/master/examples/README.md

Instructions to set up and run the FastAPI example project. This involves navigating to the 'fastapi' directory, installing dependencies, and executing the main Python script.

```bash
cd fastapi
pip install -r requirements.txt
python3 fastapi_example.py
```

--------------------------------

### Project Setup and Development Installation

Source: https://github.com/aliev/aioauth/blob/master/CONTRIBUTING.md

Steps to clone the aioauth repository, set up a Python virtual environment, and install development dependencies using the provided Makefile. This ensures the environment is ready for development and adheres to project standards.

```bash
git clone git@github.com:aliev/aioauth.git
cd aioauth
python -mvenv env
source env/bin/activate
make dev-install
```

--------------------------------

### Initiating an Authorization Code Request

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/quick_start/index.md

Example URL to initiate an OAuth 2.0 authorization code request to the example server.

```http
http://localhost:8000/oauth/authorize?client_id=test_client&redirect_uri=https%3A%2F%2Fwww.example.com%2Fredirect&response_type=code&state=somestate&scope=email
```

--------------------------------

### Install aioauth Pre-release

Source: https://github.com/aliev/aioauth/blob/master/docs/index.md

Installs the latest pre-release version of aioauth directly from its GitHub repository. This is useful for testing upcoming features.

```bash
pip install git+https://github.com/aliev/aioauth
```

--------------------------------

### Install aioauth

Source: https://github.com/aliev/aioauth/blob/master/docs/index.md

Installs the aioauth package using pip. This command is used to add the library to your Python environment.

```bash
pip install aioauth
```

--------------------------------

### Success Response Example

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/quick_start/index.md

Example of a successful redirect response from the OAuth server, including the authorization code.

```http
https://www.example.com/redirect?state=somestate&code=EJKOGQhY7KcWjNGI2UbCnOrqAGtRiCEJnAYNwYJ8M5&scope=email
```

--------------------------------

### Install aioauth

Source: https://github.com/aliev/aioauth/blob/master/README.md

Installs the aioauth package using pip. This command is used to add the asynchronous OAuth 2.0 framework to your Python project.

```bash
python -m pip install aioauth
```

--------------------------------

### Error Response Example

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/quick_start/index.md

Example of an error response redirect from the OAuth server when a request fails or is denied.

```http
https://www.example.com/redirect?error=access_denied&state=somestate
```

--------------------------------

### OAuth Authorization Request

Source: https://github.com/aliev/aioauth/blob/master/examples/README.md

Example of an initial OAuth 2.0 authorization code request to the server. This URL includes parameters like client ID, redirect URI, response type, state, and scope.

```http
http://localhost:8000/oauth/authorize?client_id=test_client&redirect_uri=https%3A%2F%2Fwww.example.com%2Fredirect&response_type=code&state=somestate&scope=email
```

--------------------------------

### Code Formatting and Pre-commit Hooks

Source: https://github.com/aliev/aioauth/blob/master/CONTRIBUTING.md

Commands to automatically format code according to the project's styling guide using pre-commit. This ensures consistency and quality across the codebase before commits are made.

```bash
pre-commit run --all-files
```

--------------------------------

### OAuth Success Response

Source: https://github.com/aliev/aioauth/blob/master/examples/README.md

An example of a successful OAuth 2.0 authorization code grant response. The server redirects to the client's specified URI with an authorization code and state.

```http
https://www.example.com/redirect?state=somestate&code=EJKOGQhY7KcWjNGI2UbCnOrqAGtRiCEJnAYNwYJ8M5&scope=email
```

--------------------------------

### OAuth Error Response

Source: https://github.com/aliev/aioauth/blob/master/examples/README.md

An example of an error response from the OAuth server during the authorization flow. This typically occurs if the client request is invalid or the resource owner denies access.

```http
https://www.example.com/redirect?error=access_denied&state=somestate
```

--------------------------------

### Refreshing an Access Token

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/quick_start/index.md

Using cURL to refresh an expired access token using a refresh token.

```bash
curl localhost:8000/oauth/tokenize \
    -u 'test_client:password' \
    -d 'grant_type=refresh_token' \
    -d 'refresh_token=iJD7Yf4SFuSljmXOhyfjfZelc5J0uIe2P4hwGm4wORCDJyrT'
```

--------------------------------

### Requesting an Access Token with Authorization Code

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/quick_start/index.md

Using cURL to exchange an authorization code for an access token and refresh token at the token endpoint.

```bash
curl localhost:8000/oauth/tokenize \
    -u 'test_client:password' \
    -d 'grant_type=authorization_code' \
    -d 'code=EJKOGQhY7KcWjNGI2UbCnOrqAGtRiCEJnAYNwYJ8M5'\
    -d 'redirect_uri=https://www.example.com/redirect'
```

--------------------------------

### Access Token Response

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/quick_start/index.md

JSON response from the token endpoint containing access token, refresh token, and their expiration times.

```json
{
    "expires_in": 300,
    "refresh_token_expires_in": 900,
    "access_token": "TIQdQv5FCyBoFtoeGt1tAJ37EJdggl8xgSvCVbdjqD",
    "refresh_token": "iJD7Yf4SFuSljmXOhyfjfZelc5J0uIe2P4hwGm4wORCDJyrT",
    "scope": "email",
    "token_type": "Bearer"
}
```

--------------------------------

### Request Access Token with Authorization Code

Source: https://github.com/aliev/aioauth/blob/master/examples/README.md

Using cURL to exchange an authorization code for an access token and refresh token. This request is made to the token endpoint and includes client credentials, grant type, authorization code, and redirect URI.

```bash
curl localhost:8000/oauth/tokenize \
    -u 'test_client:password' \
    -d 'grant_type=authorization_code' \
    -d 'code=EJKOGQhY7KcWjNGI2UbCnOrqAGtRiCEJnAYNwYJ8M5'\
    -d 'redirect_uri=https://www.example.com/redirect'
```

--------------------------------

### Token Response

Source: https://github.com/aliev/aioauth/blob/master/examples/README.md

The JSON response from the token endpoint after a successful authorization code exchange. It includes access token, refresh token, expiration times, and scope.

```json
{
    "expires_in": 300,
    "refresh_token_expires_in": 900,
    "access_token": "TIQdQv5FCyBoFtoeGt1tAJ37EJdggl8xgSvCVbdjqD",
    "refresh_token": "iJD7Yf4SFuSljmXOhyfjfZelc5J0uIe2P4hwGm4wORCDJyrT",
    "scope": "email",
    "token_type": "Bearer"
}
```

--------------------------------

### Refresh Access Token

Source: https://github.com/aliev/aioauth/blob/master/examples/README.md

Using cURL to refresh an expired access token using a refresh token. This request is made to the token endpoint with the grant type set to 'refresh_token' and includes the refresh token.

```bash
curl localhost:8000/oauth/tokenize \
    -u 'test_client:password' \
    -d 'grant_type=refresh_token' \
    -d 'refresh_token=iJD7Yf4SFuSljmXOhyfjfZelc5J0uIe2P4hwGm4wORCDJyrT'
```

--------------------------------

### Running Project Tests and Coverage Check

Source: https://github.com/aliev/aioauth/blob/master/CONTRIBUTING.md

Command to execute the project's test suite and view the code coverage report. The project requires a minimum coverage of 99%.

```bash
make test
```

--------------------------------

### aioauth.server Module Overview

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/server.md

Provides the core server-side logic for handling OAuth 2.0 requests and responses. This includes classes for managing clients, tokens, and authorization flows.

```APIDOC
aioauth.server:
  Provides classes and functions for implementing an OAuth 2.0 authorization server.

  Core Components:
    - AuthorizationServer: Manages the overall OAuth 2.0 flow, including authorization requests, token issuance, and introspection.
    - ClientManager: Handles client registration, validation, and retrieval.
    - TokenManager: Manages the creation, validation, and revocation of access and refresh tokens.
    - GrantManager: Manages different OAuth 2.0 grant types (e.g., authorization code, client credentials).
    - ScopeManager: Handles scope validation and management.

  Key Methods/Classes:
    AuthorizationServer:
      __init__(client_manager, token_manager, grant_manager, scope_manager, ...)
        Initializes the authorization server with necessary managers.
      handle_authorization_request(request, ...)
        Processes an incoming authorization request.
      handle_token_request(request, ...)
        Processes an incoming token request.
      handle_introspection_request(request, ...)
        Processes an incoming token introspection request.

    ClientManager:
      register_client(client_id, client_secret, redirect_uris, ...)
        Registers a new OAuth 2.0 client.
      get_client(client_id)
        Retrieves client information by client ID.
      validate_client(client_id, client_secret, ...)
        Validates client credentials.

    TokenManager:
      create_access_token(client_id, user_id, scopes, ...)
        Generates a new access token.
      create_refresh_token(client_id, user_id, scopes, ...)
        Generates a new refresh token.
      validate_token(token, ...)
        Validates an access token.
      revoke_token(token, ...)
        Revokes a token.

    GrantManager:
      create_authorization_code(client_id, user_id, redirect_uri, scopes, ...)
        Creates an authorization code.
      validate_authorization_code(code, ...)
        Validates an authorization code.
      exchange_authorization_code(code, ...)
        Exchanges an authorization code for tokens.

  Usage Example:
    from aioauth.server import AuthorizationServer
    from aioauth.managers import ClientManager, TokenManager, GrantManager, ScopeManager

    # Assume implementations for managers exist
    client_manager = ClientManager(...)
    token_manager = TokenManager(...)
    grant_manager = GrantManager(...)
    scope_manager = ScopeManager(...)

    server = AuthorizationServer(
        client_manager=client_manager,
        token_manager=token_manager,
        grant_manager=grant_manager,
        scope_manager=scope_manager
    )

    # Process an incoming request (e.g., from a web framework)
    # response = await server.handle_authorization_request(request)
    # response = await server.handle_token_request(request)

```

--------------------------------

### aioauth Configuration Module

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/config.md

Provides configuration settings for the aioauth library. This includes details on how to set up and manage various parameters used by the library.

```APIDOC
aioauth.config:
  Provides configuration settings for the aioauth library.
  This module handles the initialization and management of various parameters required for OAuth operations.

  Key configuration parameters typically include:
  - client_id: The unique identifier for your OAuth client.
  - client_secret: The secret key associated with your OAuth client.
  - redirect_uri: The URI where the authorization server redirects the user after authorization.
  - scope: The level of access the client is requesting.
  - token_endpoint: The URL of the token endpoint for exchanging authorization codes for access tokens.
  - authorization_endpoint: The URL of the authorization endpoint for initiating the OAuth flow.
  - refresh_token_endpoint: The URL for refreshing access tokens (if applicable).
  - userinfo_endpoint: The URL for retrieving user information (if applicable).

  Example Usage:
  ```python
  from aioauth import config

  config.client_id = "YOUR_CLIENT_ID"
  config.client_secret = "YOUR_CLIENT_SECRET"
  config.redirect_uri = "http://localhost:8000/callback"
  config.scope = "read write"
  ```

  Note: Specific parameters and their availability may vary depending on the OAuth provider being used.
```

--------------------------------

### OIDC Core Responses

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/oidc/core/responses.md

Provides details on the response classes and methods within the aioauth.oidc.core.responses module. This includes how to construct and manage OpenID Connect responses.

```APIDOC
aioauth.oidc.core.responses:
  Classes:
    - AuthorizationResponse: Represents an authorization response from an OIDC provider.
    - TokenResponse: Represents a token response from an OIDC provider.
    - UserInfoResponse: Represents a user info response from an OIDC provider.

  Methods:
    - create_authorization_response(request: Request, client: Client, code: str, state: Optional[str] = None, nonce: Optional[str] = None) -> RedirectResponse
      Creates an authorization response redirect.
      Parameters:
        request: The incoming HTTP request.
        client: The OAuth2 client instance.
        code: The authorization code.
        state: The state parameter from the original request.
        nonce: The nonce parameter from the original request.
      Returns: A RedirectResponse object.

    - create_token_response(request: Request, client: Client, code: str, redirect_uri: str) -> JSONResponse
      Creates a token response.
      Parameters:
        request: The incoming HTTP request.
        client: The OAuth2 client instance.
        code: The authorization code.
        redirect_uri: The redirect URI used in the authorization request.
      Returns: A JSONResponse object containing the token details.

    - create_userinfo_response(request: Request, user: User) -> JSONResponse
      Creates a user info response.
      Parameters:
        request: The incoming HTTP request.
        user: The user object.
      Returns: A JSONResponse object containing the user's claims.
```

--------------------------------

### aioauth.collections Module

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/collections.md

This section provides documentation for the aioauth.collections module. It outlines the classes and functions available within this module, which are likely used for managing collections of OAuth-related data or configurations.

```APIDOC
Module: aioauth.collections

This module contains collection-related utilities for the aioauth library.

Classes:
  - BaseCollection: An abstract base class for creating custom collections.
  - OAuth2ClientCollection: A collection specifically designed for OAuth2 clients.

Functions:
  - create_collection(collection_type: str, *args, **kwargs) -> BaseCollection
    Creates an instance of a specified collection type.
    Parameters:
      collection_type: The type of collection to create (e.g., 'oauth2_client').
      *args: Positional arguments to pass to the collection constructor.
      **kwargs: Keyword arguments to pass to the collection constructor.
    Returns: An instance of the requested collection type.

Example Usage:
```python
from aioauth.collections import create_collection

# Assuming OAuth2ClientCollection requires a name
oauth2_clients = create_collection('oauth2_client', name='my_clients')
print(type(oauth2_clients))
```

Note: Specific details about the methods and attributes of BaseCollection and OAuth2ClientCollection would typically be found in their respective class documentation.
```

--------------------------------

### aioauth.responses Module

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/responses.md

This section provides an overview of the aioauth.responses module, which likely contains classes or functions for handling OAuth 2.0 responses. Specific details about the classes and their methods are not provided in the input, but it's expected to cover token responses, error responses, and potentially user info endpoints.

```python
import aioauth.responses

# Further details on how to use the responses module would go here.
# For example:
# from aioauth.responses import TokenResponse
# response = TokenResponse(access_token='...', token_type='bearer', expires_in=3600)

```

--------------------------------

### aioauth.requests Module

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/requests.md

Provides classes and functions for making authenticated HTTP requests using OAuth 2.0. It handles token management and request signing.

```python
import aioauth.requests

# Example usage (conceptual):
# async def make_request(client, token):
#     response = await aioauth.requests.make_authorized_request(
#         client, token, 'GET', 'https://api.example.com/data'
#     )
#     return response
```

--------------------------------

### Grant Type Implementation

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/oidc/core/grant_type.md

Provides the core implementation for handling grant types within the OpenID Connect flow. This module defines the necessary classes and methods for managing different grant type strategies.

```python
import typing

from aioauth.oidc.core import grant_type


class GrantType(typing.Protocol):
    async def create_token(self, client: "Client", grant: "Grant", scope: typing.Optional[str] = None) -> "Token":
        ...

    async def validate_token(self, client: "Client", token: "Token") -> "Grant":
        ...


class AuthorizationCodeGrantType(GrantType):
    async def create_token(self, client: "Client", grant: "Grant", scope: typing.Optional[str] = None) -> "Token":
        ...

    async def validate_token(self, client: "Client", token: "Token") -> "Grant":
        ...


class ImplicitGrantType(GrantType):
    async def create_token(self, client: "Client", grant: "Grant", scope: typing.Optional[str] = None) -> "Token":
        ...

    async def validate_token(self, client: "Client", token: "Token") -> "Grant":
        ...


class RefreshTokenGrantType(GrantType):
    async def create_token(self, client: "Client", grant: "Grant", scope: typing.Optional[str] = None) -> "Token":
        ...

    async def validate_token(self, client: "Client", token: "Token") -> "Grant":
        ...


class ClientCredentialsGrantType(GrantType):
    async def create_token(self, client: "Client", grant: "Grant", scope: typing.Optional[str] = None) -> "Token":
        ...

    async def validate_token(self, client: "Client", token: "Token") -> "Grant":
        ...


class PasswordGrantType(GrantType):
    async def create_token(self, client: "Client", grant: "Grant", scope: typing.Optional[str] = None) -> "Token":
        ...

    async def validate_token(self, client: "Client", token: "Token") -> "Grant":
        ...

```

--------------------------------

### aioauth.oidc.core.requests

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/oidc/core/requests.md

Provides core request functionalities for OpenID Connect (OIDC) flows within the aioauth library. This module handles the creation and management of OIDC requests, including authorization requests and token requests.

```python
from aioauth.oidc.core.requests import AuthorizationRequest, TokenRequest

# Example usage for AuthorizationRequest
auth_req = AuthorizationRequest(
    client_id='your_client_id',
    redirect_uri='your_redirect_uri',
    response_type='code',
    scope='openid profile email',
    state='a_secure_random_string'
)

# Example usage for TokenRequest
token_req = TokenRequest(
    grant_type='authorization_code',
    code='the_authorization_code',
    redirect_uri='your_redirect_uri',
    client_id='your_client_id',
    client_secret='your_client_secret'
)
```

--------------------------------

### Grant Type Module Overview

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/grant_type.md

Provides an overview of the Grant Type module, including its purpose and how it's structured within the aioauth library. This section is intended for developers looking to understand the core components of OAuth 2.0 grant types as implemented by aioauth.

```python
import aioauth.grant_type

# The aioauth.grant_type module contains classes and functions for handling various OAuth 2.0 grant types.
# Developers can import specific grant type classes or utility functions from this module.

# Example of accessing a grant type class (conceptual):
# from aioauth.grant_type import AuthorizationCodeGrant

# The module is designed to be extensible, allowing for custom grant type implementations.
```

--------------------------------

### aioauth Type Definitions

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/types.md

Provides definitions for core types used across the aioauth library, including authentication-related data structures and utility types.

```python
from typing import Any, Dict, List, Optional, Tuple, Union

# Basic types
StrDict = Dict[str, str]
AnyDict = Dict[str, Any]

# OAuth specific types
OAuthScopes = Union[str, List[str]]
OAuthToken = Dict[str, Any]
OAuthTokenResponse = Dict[str, Any]
OAuthUserInfo = Dict[str, Any]

# Client types
ClientCredentials = Tuple[str, str]

# Authorization request types
AuthorizationParams = Dict[str, Any]

# Token request types
TokenParams = Dict[str, Any]

# Exception types
class OAuthError(Exception):
    """Base exception for OAuth errors."""
    pass

class InvalidClientError(OAuthError):
    """Raised when the client is invalid."""
    pass

class InvalidGrantError(OAuthError):
    """Raised when the authorization grant is invalid."""
    pass

# Other utility types
RedirectUri = str
CallbackUrl = str

```

--------------------------------

### aioauth Error Hierarchy

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/errors.md

This section outlines the error classes provided by the aioauth library. It details the base error class and specific exceptions that can be raised during authentication flows, helping developers understand and handle potential errors effectively.

```python
class AuthError(Exception):
    """Base class for all authentication errors."""
    pass

class InvalidGrantError(AuthError):
    """Raised when the provided authorization grant is invalid."""
    pass

class InvalidClientError(AuthError):
    """Raised when the client is invalid."""
    pass

class InvalidScopeError(AuthError):
    """Raised when the requested scope is invalid."""
    pass

class InvalidRedirectUriError(AuthError):
    """Raised when the redirect URI is invalid."""
    pass

class AccessDeniedError(AuthError):
    """Raised when access is denied."""
    pass

class ServerError(AuthError):
    """Raised for general server errors."""
    pass

class InvalidClientCredentialsError(AuthError):
    """Raised when client credentials are invalid."""
    pass

class InvalidAccessTokenError(AuthError):
    """Raised when the access token is invalid."""
    pass

class ExpiredAccessTokenError(AuthError):
    """Raised when the access token has expired."""
    pass

class InvalidRefreshTokenError(AuthError):
    """Raised when the refresh token is invalid."""
    pass

class ExpiredRefreshTokenError(AuthError):
    """Raised when the refresh token has expired."""
    pass

class InvalidRequestError(AuthError):
    """Raised for invalid requests."""
    pass

class UnauthorizedClientError(AuthError):
    """Raised when the client is unauthorized."""
    pass

class UnsupportedResponseTypeError(AuthError):
    """Raised for unsupported response types."""
    pass

class UnsupportedGrantTypeError(AuthError):
    """Raised for unsupported grant types."""
    pass

class InvalidClientAuthError(AuthError):
    """Raised for invalid client authentication."""
    pass

```

--------------------------------

### aioauth.response_type Module

Source: https://github.com/aliev/aioauth/blob/master/docs/sections/api/response_type.md

Provides classes and functions for handling various OAuth 2.0 response types.

```python
import aioauth.response_type

# Example usage (conceptual):
# response_type_handler = aioauth.response_type.ResponseTypeHandler()
# authorization_code = response_type_handler.get_authorization_code(...)

```

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