111 lines
3.2 KiB
Python
111 lines
3.2 KiB
Python
from flask import Flask, request
|
|
from flask_sqlalchemy import SQLAlchemy
|
|
from sqlalchemy import MetaData, event
|
|
from sqlalchemy.engine import Engine
|
|
from flask_migrate import Migrate
|
|
import version
|
|
from lib.cachebust import cachebust
|
|
from flask_limiter import Limiter
|
|
from lib.session import get_viewer
|
|
import os
|
|
import mimetypes
|
|
|
|
app = Flask(__name__)
|
|
|
|
default_config = {
|
|
"SQLALCHEMY_TRACK_MODIFICATIONS": False,
|
|
"SQLALCHEMY_DATABASE_URI": "postgresql+psycopg2:///forget",
|
|
"SECRET_KEY": "hunter2",
|
|
"CELERY_BROKER": "redis://",
|
|
"HTTPS": True,
|
|
"SENTRY_CONFIG": {},
|
|
"RATELIMIT_STORAGE_URL": "redis://",
|
|
"REPO_URL": "https://github.com/codl/forget",
|
|
"COMMIT_URL": "https://github.com/codl/forget/commits/{hash}",
|
|
}
|
|
|
|
app.config.update(default_config)
|
|
|
|
app.config.from_pyfile('config.py', True)
|
|
|
|
metadata = MetaData(naming_convention={
|
|
"ix": 'ix_%(column_0_label)s',
|
|
"uq": "uq_%(table_name)s_%(column_0_name)s",
|
|
"ck": "ck_%(table_name)s_%(constraint_name)s",
|
|
"fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
|
|
"pk": "pk_%(table_name)s"
|
|
})
|
|
|
|
db = SQLAlchemy(app, metadata=metadata)
|
|
migrate = Migrate(app, db)
|
|
|
|
if 'SQLALCHEMY_LOG_QUERIES_TO' in app.config:
|
|
@event.listens_for(Engine, 'after_cursor_execute', named=True)
|
|
def log_queries(statement='', **kwargs):
|
|
with open(app.config['SQLALCHEMY_LOG_QUERIES_TO'], 'a') as f:
|
|
f.write(statement.replace('\n', ' ') + ';\n')
|
|
os.sync()
|
|
|
|
sentry = None
|
|
if 'SENTRY_DSN' in app.config:
|
|
from raven.contrib.flask import Sentry
|
|
app.config['SENTRY_CONFIG']['release'] = version.version
|
|
sentry = Sentry(app, dsn=app.config['SENTRY_DSN'])
|
|
|
|
url_for = cachebust(app)
|
|
|
|
|
|
@app.context_processor
|
|
def inject_static():
|
|
def static(filename, **kwargs):
|
|
return url_for('static', filename=filename, **kwargs)
|
|
return {'st': static}
|
|
|
|
|
|
def rate_limit_key():
|
|
viewer = get_viewer()
|
|
if viewer:
|
|
return viewer.id
|
|
for address in request.access_route:
|
|
if address != '127.0.0.1':
|
|
print(address)
|
|
return address
|
|
return request.remote_addr
|
|
|
|
|
|
limiter = Limiter(app, key_func=rate_limit_key)
|
|
|
|
|
|
@app.after_request
|
|
def install_security_headers(resp):
|
|
csp = ("default-src 'none';"
|
|
"img-src 'self' https:;"
|
|
"style-src 'self' 'unsafe-inline';"
|
|
"frame-ancestors 'none';"
|
|
)
|
|
if 'SENTRY_DSN' in app.config:
|
|
csp += "script-src 'self' https://cdn.ravenjs.com/;"
|
|
csp += "connect-src 'self' https://sentry.io/;"
|
|
else:
|
|
csp += "script-src 'self';"
|
|
csp += "connect-src 'self';"
|
|
|
|
if 'CSP_REPORT_URI' in app.config:
|
|
csp += "report-uri " + app.config.get('CSP_REPORT_URI')
|
|
|
|
if app.config.get('HTTPS'):
|
|
resp.headers.set('strict-transport-security',
|
|
'max-age={}'.format(60*60*24*365))
|
|
csp += "; upgrade-insecure-requests"
|
|
|
|
resp.headers.set('Content-Security-Policy', csp)
|
|
resp.headers.set('referrer-policy', 'no-referrer')
|
|
resp.headers.set('x-content-type-options', 'nosniff')
|
|
resp.headers.set('x-frame-options', 'DENY')
|
|
resp.headers.set('x-xss-protection', '1')
|
|
|
|
return resp
|
|
|
|
|
|
mimetypes.add_type('image/webp', '.webp')
|