mirror of
https://git.sr.ht/~tsileo/microblog.pub
synced 2024-11-15 03:04:28 +00:00
102 lines
2.6 KiB
Python
102 lines
2.6 KiB
Python
import os
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from pathlib import Path
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import bcrypt
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import pydantic
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import tomli
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from fastapi import Form
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from fastapi import HTTPException
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from fastapi import Request
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from itsdangerous import TimedSerializer
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from itsdangerous import TimestampSigner
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from app.utils.emoji import _load_emojis
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ROOT_DIR = Path().parent.resolve()
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_CONFIG_FILE = os.getenv("MICROBLOGPUB_CONFIG_FILE", "me.toml")
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VERSION = "2.0"
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USER_AGENT = f"microblogpub/{VERSION}"
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AP_CONTENT_TYPE = "application/activity+json"
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class Config(pydantic.BaseModel):
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domain: str
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username: str
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admin_password: bytes
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name: str
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summary: str
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https: bool
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icon_url: str
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secret: str
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debug: bool = False
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# Config items to make tests easier
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sqlalchemy_database: str | None = None
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key_path: str | None = None
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def load_config() -> Config:
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try:
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return Config.parse_obj(
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tomli.loads((ROOT_DIR / "data" / _CONFIG_FILE).read_text())
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)
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except FileNotFoundError:
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raise ValueError(
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f"Please run the configuration wizard, {_CONFIG_FILE} is missing"
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)
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def is_activitypub_requested(req: Request) -> bool:
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accept_value = req.headers.get("accept")
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if not accept_value:
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return False
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for val in {
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"application/ld+json",
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"application/activity+json",
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}:
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if accept_value.startswith(val):
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return True
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return False
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def verify_password(pwd: str) -> bool:
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return bcrypt.checkpw(pwd.encode(), CONFIG.admin_password)
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CONFIG = load_config()
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DOMAIN = CONFIG.domain
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_SCHEME = "https" if CONFIG.https else "http"
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ID = f"{_SCHEME}://{DOMAIN}"
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USERNAME = CONFIG.username
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BASE_URL = ID
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DEBUG = CONFIG.debug
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DB_PATH = CONFIG.sqlalchemy_database or ROOT_DIR / "data" / "microblogpub.db"
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SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_PATH}"
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KEY_PATH = (
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(ROOT_DIR / CONFIG.key_path) if CONFIG.key_path else ROOT_DIR / "data" / "key.pem"
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)
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EMOJIS = "😺 😸 😹 😻 😼 😽 🙀 😿 😾"
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# Emoji template for the FE
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EMOJI_TPL = '<img src="/static/twemoji/{filename}.svg" alt="{raw}" class="emoji">'
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_load_emojis(ROOT_DIR, BASE_URL)
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session_serializer = TimedSerializer(CONFIG.secret, salt="microblogpub.login")
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csrf_signer = TimestampSigner(
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os.urandom(16).hex(),
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salt=os.urandom(16).hex(),
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)
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def generate_csrf_token() -> str:
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return csrf_signer.sign(os.urandom(16).hex()).decode()
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def verify_csrf_token(csrf_token: str = Form()) -> None:
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if not csrf_signer.validate(csrf_token, max_age=600):
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raise HTTPException(status_code=403, detail="CSRF error")
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return None
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