import os import secrets from pathlib import Path import bcrypt import itsdangerous import pydantic import tomli from fastapi import Form from fastapi import HTTPException from fastapi import Request from itsdangerous import URLSafeTimedSerializer from loguru import logger from app.utils.emoji import _load_emojis ROOT_DIR = Path().parent.resolve() _CONFIG_FILE = os.getenv("MICROBLOGPUB_CONFIG_FILE", "profile.toml") VERSION_COMMIT = "dev" try: from app._version import VERSION_COMMIT # type: ignore except ImportError: pass VERSION = f"2.0.0+{VERSION_COMMIT}" USER_AGENT = f"microblogpub/{VERSION}" AP_CONTENT_TYPE = "application/activity+json" class _PrivacyReplace(pydantic.BaseModel): domain: str replace_by: str class Config(pydantic.BaseModel): domain: str username: str admin_password: bytes name: str summary: str https: bool icon_url: str secret: str debug: bool = False trusted_hosts: list[str] = ["127.0.0.1"] manually_approves_followers: bool = False privacy_replace: list[_PrivacyReplace] | None = None # Config items to make tests easier sqlalchemy_database: str | None = None key_path: str | None = None def load_config() -> Config: try: return Config.parse_obj( tomli.loads((ROOT_DIR / "data" / _CONFIG_FILE).read_text()) ) except FileNotFoundError: raise ValueError( f"Please run the configuration wizard, {_CONFIG_FILE} is missing" ) def is_activitypub_requested(req: Request) -> bool: accept_value = req.headers.get("accept") if not accept_value: return False for val in { "application/ld+json", "application/activity+json", }: if accept_value.startswith(val): return True return False def verify_password(pwd: str) -> bool: return bcrypt.checkpw(pwd.encode(), CONFIG.admin_password) CONFIG = load_config() DOMAIN = CONFIG.domain _SCHEME = "https" if CONFIG.https else "http" ID = f"{_SCHEME}://{DOMAIN}" USERNAME = CONFIG.username MANUALLY_APPROVES_FOLLOWERS = CONFIG.manually_approves_followers PRIVACY_REPLACE = None if CONFIG.privacy_replace: PRIVACY_REPLACE = {pr.domain: pr.replace_by for pr in CONFIG.privacy_replace} BASE_URL = ID DEBUG = CONFIG.debug DB_PATH = CONFIG.sqlalchemy_database or ROOT_DIR / "data" / "microblogpub.db" SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_PATH}" KEY_PATH = ( (ROOT_DIR / CONFIG.key_path) if CONFIG.key_path else ROOT_DIR / "data" / "key.pem" ) EMOJIS = "😺 😸 😹 😻 😼 😽 🙀 😿 😾" # Emoji template for the FE EMOJI_TPL = '{raw}' _load_emojis(ROOT_DIR, BASE_URL) # TODO(ts): allow to override this CODE_HIGHLIGHTING_THEME = "friendly_grayscale" session_serializer = URLSafeTimedSerializer( CONFIG.secret, salt=f"{ID}.session", ) csrf_serializer = URLSafeTimedSerializer( CONFIG.secret, salt=f"{ID}.csrf", ) def generate_csrf_token() -> str: return csrf_serializer.dumps(secrets.token_hex(16)) # type: ignore def verify_csrf_token(csrf_token: str = Form()) -> None: try: csrf_serializer.loads(csrf_token, max_age=1800) except (itsdangerous.BadData, itsdangerous.SignatureExpired): logger.exception("Failed to verify CSRF token") raise HTTPException(status_code=403, detail="CSRF error") return None