108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
import enum
|
|
|
|
from flask import Flask
|
|
from flask_cors import CORS
|
|
from datetime import datetime, date
|
|
from flask.json import JSONEncoder, jsonify
|
|
from importlib_metadata import entry_points
|
|
from sqlalchemy.exc import OperationalError
|
|
from werkzeug.exceptions import HTTPException
|
|
|
|
from flaschengeist import logger
|
|
from flaschengeist.utils.hook import Hook
|
|
from flaschengeist.plugins import AuthPlugin
|
|
from flaschengeist.config import config, configure_app
|
|
|
|
|
|
class CustomJSONEncoder(JSONEncoder):
|
|
def default(self, o):
|
|
try:
|
|
# Check if custom model
|
|
return o.serialize()
|
|
except AttributeError:
|
|
pass
|
|
if isinstance(o, datetime) or isinstance(o, date):
|
|
return o.isoformat()
|
|
if isinstance(o, enum.Enum):
|
|
return o.value
|
|
try:
|
|
# Check if iterable
|
|
iterable = iter(o)
|
|
except TypeError:
|
|
pass
|
|
else:
|
|
return list(iterable)
|
|
return JSONEncoder.default(self, o)
|
|
|
|
|
|
@Hook("plugins.loaded")
|
|
def load_plugins(app: Flask):
|
|
app.config["FG_PLUGINS"] = {}
|
|
|
|
for entry_point in entry_points(group="flaschengeist.plugins"):
|
|
logger.debug(f"Found plugin: {entry_point.name} ({entry_point.dist.version})")
|
|
|
|
if entry_point.name == config["FLASCHENGEIST"]["auth"] or (
|
|
entry_point.name in config and config[entry_point.name].get("enabled", False)
|
|
):
|
|
logger.debug(f"Load plugin {entry_point.name}")
|
|
try:
|
|
plugin = entry_point.load()(entry_point, config=config.get(entry_point.name, {}))
|
|
if hasattr(plugin, "blueprint") and plugin.blueprint is not None:
|
|
app.register_blueprint(plugin.blueprint)
|
|
except:
|
|
logger.error(
|
|
f"Plugin {entry_point.name} was enabled, but could not be loaded due to an error.",
|
|
exc_info=True,
|
|
)
|
|
continue
|
|
if isinstance(plugin, AuthPlugin):
|
|
if entry_point.name != config["FLASCHENGEIST"]["auth"]:
|
|
logger.debug(f"Unload not configured AuthPlugin {entry_point.name}")
|
|
del plugin
|
|
continue
|
|
else:
|
|
logger.info(f"Using authentication plugin: {entry_point.name}")
|
|
app.config["FG_AUTH_BACKEND"] = plugin
|
|
else:
|
|
logger.info(f"Using plugin: {entry_point.name}")
|
|
app.config["FG_PLUGINS"][entry_point.name] = plugin
|
|
else:
|
|
logger.debug(f"Skip disabled plugin {entry_point.name}")
|
|
if "FG_AUTH_BACKEND" not in app.config:
|
|
logger.fatal("No authentication plugin configured or authentication plugin not found")
|
|
raise RuntimeError("No authentication plugin configured or authentication plugin not found")
|
|
|
|
|
|
def create_app(test_config=None, cli=False):
|
|
app = Flask("flaschengeist")
|
|
app.json_encoder = CustomJSONEncoder
|
|
CORS(app)
|
|
|
|
with app.app_context():
|
|
from flaschengeist.database import db, migrate
|
|
|
|
configure_app(app, test_config)
|
|
db.init_app(app)
|
|
migrate.init_app(app, db, compare_type=True)
|
|
load_plugins(app)
|
|
|
|
@app.route("/", methods=["GET"])
|
|
def __get_state():
|
|
from . import __version__ as version
|
|
|
|
return jsonify({"plugins": app.config["FG_PLUGINS"], "version": version})
|
|
|
|
@app.errorhandler(Exception)
|
|
def handle_exception(e):
|
|
if isinstance(e, HTTPException):
|
|
logger.debug(e.description, exc_info=True)
|
|
return jsonify({"error": e.description}), e.code
|
|
if isinstance(e, OperationalError):
|
|
logger.error(e, exc_info=True)
|
|
return {"error": "Database unavailable"}, 504
|
|
logger.error(str(e), exc_info=True)
|
|
return jsonify({"error": "Internal server error occurred"}), 500
|
|
|
|
return app
|