app.py

import os
from flask import Flask, render_template, g
from flask_oidc import OpenIDConnect
from flask_session import Session
import markdown as md

import config
from routes.auth import auth_routes_bp, set_oidc, get_logged_in_user_info
from routes.pages import pages_bp
from routes.moderation import moderation_bp
from routes.dummy import dummy_bp
from urllib.parse import quote_plus

app = Flask(__name__)
app.config["SECRET_KEY"] = config.secret_key
app.config["OIDC_CLIENT_SECRETS"] = config.oidc_client_secrets_json
app.config["OIDC_SCOPES"] = "openid profile email"
app.config["OIDC_OVERWRITE_REDIRECT_URI"] = config.oidc_redirect_uri
app.config["SESSION_TYPE"] = "filesystem"
app.config["SESSION_FILE_DIR"] = os.getenv(
    "SESSION_FILE_DIR", os.path.join(os.path.dirname(__file__), "session")
)
app.config["SESSION_PERMANENT"] = False
app.config["SESSION_USE_SIGNER"] = True

os.makedirs(app.config["SESSION_FILE_DIR"], exist_ok=True)

oidc = OpenIDConnect(app)
Session(app)


# Set OIDC instance for blueprints
set_oidc(oidc)

# Register dummy API blueprint
app.register_blueprint(dummy_bp)


@app.context_processor
def inject_user_info():
    return {
        "user_info": get_logged_in_user_info(),
        "moderator_group_uuid": getattr(config, "moderator_group_uuid", ""),
    }


def _urlencode_filter(s):
    try:
        return quote_plus(s)
    except Exception:
        return ""


def _markdown_filter(s):
    try:
        return md.markdown(s, extensions=["nl2br"])
    except Exception:
        return s


app.jinja_env.filters["urlencode"] = _urlencode_filter
app.jinja_env.filters["markdown"] = _markdown_filter

# Register blueprints
app.register_blueprint(auth_routes_bp)
app.register_blueprint(pages_bp)
app.register_blueprint(moderation_bp)


# Global error handlers
@app.errorhandler(404)
def handle_404(error):
    """Handle 404 Not Found errors"""
    return (
        render_template(
            "errors/error.html",
            error_code=404,
            error_title="Page Not Found",
            error_message="The page you're looking for doesn't exist.",
        ),
        404,
    )


@app.errorhandler(401)
def handle_401(error):
    """Handle 401 Unauthorized errors"""
    return (
        render_template(
            "errors/error.html",
            error_code=401,
            error_title="Unauthorized",
            error_message="You are not authorized to access this page.",
        ),
        401,
    )


@app.errorhandler(500)
def handle_500(error):
    """Handle 500 Internal Server errors"""
    return (
        render_template(
            "errors/error.html",
            error_code=500,
            error_title="Internal Server Error",
            error_message="Something went wrong on our end.",
        ),
        500,
    )


if __name__ == "__main__":
    app.run(debug=True, host="0.0.0.0", port=int(os.environ.get("PORT", 8080)))