260 lines
9.8 KiB
Python
260 lines
9.8 KiB
Python
import logging
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from logging.config import dictConfig as logging_dict_config
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import atexit
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import jinja2
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import os
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import hashlib
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import requests
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import sys
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import stripe
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from dotenv import load_dotenv, find_dotenv
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from flask import Flask
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from flask_mail import Mail, Message
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from flask import render_template
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from flask import url_for
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from flask import current_app
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from apscheduler.schedulers.background import BackgroundScheduler
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from capsulflask.shared import my_exec_info_message
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from capsulflask import hub_model, spoke_model, cli
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from capsulflask.btcpay import client as btcpay
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from capsulflask.http_client import MyHTTPClient
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class StdoutMockFlaskMail:
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def send(self, message: Message):
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current_app.logger.info(f"Email would have been sent if configured:\n\nto: {','.join(message.recipients)}\nsubject: {message.subject}\nbody:\n\n{message.body}\n\n")
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load_dotenv(find_dotenv())
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app = Flask(__name__)
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app.config.from_mapping(
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BASE_URL=os.environ.get("BASE_URL", default="http://localhost:5000"),
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SECRET_KEY=os.environ.get("SECRET_KEY", default="dev"),
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HUB_MODE_ENABLED=os.environ.get("HUB_MODE_ENABLED", default="True").lower() in ['true', '1', 't', 'y', 'yes'],
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SPOKE_MODE_ENABLED=os.environ.get("SPOKE_MODE_ENABLED", default="True").lower() in ['true', '1', 't', 'y', 'yes'],
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INTERNAL_HTTP_TIMEOUT_SECONDS=os.environ.get("INTERNAL_HTTP_TIMEOUT_SECONDS", default="300"),
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HUB_MODEL=os.environ.get("HUB_MODEL", default="capsul-flask"),
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SPOKE_MODEL=os.environ.get("SPOKE_MODEL", default="mock"),
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LOG_LEVEL=os.environ.get("LOG_LEVEL", default="INFO"),
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SPOKE_HOST_ID=os.environ.get("SPOKE_HOST_ID", default="baikal"),
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SPOKE_HOST_TOKEN=os.environ.get("SPOKE_HOST_TOKEN", default="changeme"),
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HUB_TOKEN=os.environ.get("HUB_TOKEN", default="changeme"),
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# https://www.postgresql.org/docs/9.1/libpq-ssl.html#LIBPQ-SSL-SSLMODE-STATEMENTS
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# https://stackoverflow.com/questions/56332906/where-to-put-ssl-certificates-when-trying-to-connect-to-a-remote-database-using
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# TLS example: sslmode=verify-full sslrootcert=letsencrypt-root-ca.crt host=db.example.com port=5432 user=postgres password=dev dbname=postgres
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POSTGRES_CONNECTION_PARAMETERS=os.environ.get(
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"POSTGRES_CONNECTION_PARAMETERS",
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default="host=localhost port=5432 user=postgres password=dev dbname=postgres"
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),
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DATABASE_SCHEMA=os.environ.get("DATABASE_SCHEMA", default="public"),
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MAIL_SERVER=os.environ.get("MAIL_SERVER", default=""),
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MAIL_PORT=os.environ.get("MAIL_PORT", default="465"),
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MAIL_USE_TLS=os.environ.get("MAIL_USE_TLS", default="False").lower() in ['true', '1', 't', 'y', 'yes'],
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MAIL_USE_SSL=os.environ.get("MAIL_USE_SSL", default="True").lower() in ['true', '1', 't', 'y', 'yes'],
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MAIL_USERNAME=os.environ.get("MAIL_USERNAME", default=""),
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MAIL_PASSWORD=os.environ.get("MAIL_PASSWORD", default=""),
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MAIL_DEFAULT_SENDER=os.environ.get("MAIL_DEFAULT_SENDER", default="no-reply@capsul.org"),
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ADMIN_EMAIL_ADDRESSES=os.environ.get("ADMIN_EMAIL_ADDRESSES", default="ops@cyberia.club"),
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ADMIN_PANEL_ALLOW_EMAIL_ADDRESSES=os.environ.get("ADMIN_PANEL_ALLOW_EMAIL_ADDRESSES", default="forest.n.johnson@gmail.com,capsul@cyberia.club"),
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PROMETHEUS_URL=os.environ.get("PROMETHEUS_URL", default="https://prometheus.cyberia.club"),
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STRIPE_API_VERSION=os.environ.get("STRIPE_API_VERSION", default="2020-03-02"),
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STRIPE_SECRET_KEY=os.environ.get("STRIPE_SECRET_KEY", default=""),
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STRIPE_PUBLISHABLE_KEY=os.environ.get("STRIPE_PUBLISHABLE_KEY", default=""),
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#STRIPE_WEBHOOK_SECRET=os.environ.get("STRIPE_WEBHOOK_SECRET", default="")
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BTCPAY_PRIVATE_KEY=os.environ.get("BTCPAY_PRIVATE_KEY", default="").replace("\\n", "\n"),
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BTCPAY_URL=os.environ.get("BTCPAY_URL", default=""),
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THEME=os.environ.get("THEME", default="")
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)
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app.config['HUB_URL'] = os.environ.get("HUB_URL", default=app.config['BASE_URL'])
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class SetLogLevelToDebugForHeartbeatRelatedMessagesFilter(logging.Filter):
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def isHeartbeatRelatedString(self, thing):
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# thing_string = "<error>"
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is_in_string = False
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try:
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thing_string = "%s" % thing
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is_in_string = 'heartbeat-task' in thing_string or 'hub/heartbeat' in thing_string or 'spoke/heartbeat' in thing_string
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except:
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pass
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# self.warning("isHeartbeatRelatedString(%s): %s", thing_string, is_in_string )
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return is_in_string
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def filter(self, record):
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if app.config['LOG_LEVEL'] == "DEBUG":
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return True
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if self.isHeartbeatRelatedString(record.msg):
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return False
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for arg in record.args:
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if self.isHeartbeatRelatedString(arg):
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return False
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return True
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logging_dict_config({
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'version': 1,
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'formatters': {'default': {
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'format': '[%(asctime)s] %(levelname)s in %(module)s: %(message)s',
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}},
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'filters': {
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'setLogLevelToDebugForHeartbeatRelatedMessages': {
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'()': SetLogLevelToDebugForHeartbeatRelatedMessagesFilter,
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}
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},
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'handlers': {'wsgi': {
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'class': 'logging.StreamHandler',
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'stream': 'ext://flask.logging.wsgi_errors_stream',
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'formatter': 'default',
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'filters': ['setLogLevelToDebugForHeartbeatRelatedMessages']
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}},
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'root': {
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'level': app.config['LOG_LEVEL'],
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'handlers': ['wsgi']
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}
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})
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# app.logger.critical("critical")
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# app.logger.error("error")
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# app.logger.warning("warning")
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# app.logger.info("info")
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# app.logger.debug("debug")
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stripe.api_key = app.config['STRIPE_SECRET_KEY']
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stripe.api_version = app.config['STRIPE_API_VERSION']
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if app.config['MAIL_SERVER'] != "":
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app.config['FLASK_MAIL_INSTANCE'] = Mail(app)
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else:
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app.logger.warning("No MAIL_SERVER configured. capsul will simply print emails to stdout.")
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app.config['FLASK_MAIL_INSTANCE'] = StdoutMockFlaskMail()
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app.config['HTTP_CLIENT'] = MyHTTPClient(timeout_seconds=int(app.config['INTERNAL_HTTP_TIMEOUT_SECONDS']))
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app.config['BTCPAY_ENABLED'] = False
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if app.config['BTCPAY_URL'] != "":
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try:
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app.config['BTCPAY_CLIENT'] = btcpay.Client(api_uri=app.config['BTCPAY_URL'], pem=app.config['BTCPAY_PRIVATE_KEY'])
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app.config['BTCPAY_ENABLED'] = True
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except:
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app.logger.warning("unable to create btcpay client. Capsul will work fine except cryptocurrency payments will not work. The error was: " + my_exec_info_message(sys.exc_info()))
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# only start the scheduler and attempt to migrate the database if we are running the app.
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# otherwise we are running a CLI command.
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command_line = ' '.join(sys.argv)
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is_running_server = ('flask run' in command_line) or ('gunicorn' in command_line)
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app.logger.info(f"is_running_server: {is_running_server}")
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if app.config['THEME'] != "":
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my_loader = jinja2.ChoiceLoader([
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app.jinja_loader,
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jinja2.FileSystemLoader(
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[os.path.join('capsulflask', 'themes', app.config['THEME']),
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'capsulflask/templates']),
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])
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app.jinja_loader = my_loader
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if app.config['HUB_MODE_ENABLED']:
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if app.config['HUB_MODEL'] == "capsul-flask":
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app.config['HUB_MODEL'] = hub_model.CapsulFlaskHub()
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# debug mode (flask reloader) runs two copies of the app. When running in debug mode,
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# we only want to start the scheduler one time.
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if is_running_server and (not app.debug or os.environ.get('WERKZEUG_RUN_MAIN') == 'true'):
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scheduler = BackgroundScheduler()
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heartbeat_task_url = f"{app.config['HUB_URL']}/hub/heartbeat-task"
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heartbeat_task_headers = {'Authorization': f"Bearer {app.config['HUB_TOKEN']}"}
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heartbeat_task = lambda: requests.post(heartbeat_task_url, headers=heartbeat_task_headers)
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scheduler.add_job(name="heartbeat-task", func=heartbeat_task, trigger="interval", seconds=5)
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scheduler.start()
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atexit.register(lambda: scheduler.shutdown())
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else:
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app.config['HUB_MODEL'] = hub_model.MockHub()
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from capsulflask import db
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db.init_app(app, is_running_server)
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from capsulflask import auth, landing, console, payment, metrics, cli, hub_api, admin
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app.register_blueprint(landing.bp)
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app.register_blueprint(auth.bp)
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app.register_blueprint(console.bp)
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app.register_blueprint(payment.bp)
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app.register_blueprint(metrics.bp)
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app.register_blueprint(cli.bp)
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app.register_blueprint(hub_api.bp)
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app.register_blueprint(admin.bp)
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app.add_url_rule("/", endpoint="index")
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if app.config['SPOKE_MODE_ENABLED']:
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if app.config['SPOKE_MODEL'] == "shell-scripts":
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app.config['SPOKE_MODEL'] = spoke_model.ShellScriptSpoke()
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else:
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app.config['SPOKE_MODEL'] = spoke_model.MockSpoke()
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from capsulflask import spoke_api
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app.register_blueprint(spoke_api.bp)
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@app.after_request
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def security_headers(response):
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response.headers['X-Frame-Options'] = 'SAMEORIGIN'
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if 'Content-Security-Policy' not in response.headers:
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response.headers['Content-Security-Policy'] = "default-src 'self'"
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response.headers['X-Content-Type-Options'] = 'nosniff'
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return response
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@app.context_processor
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def override_url_for():
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"""
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override the url_for function built into flask
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with our own custom implementation that busts the cache correctly when files change
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"""
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return dict(url_for=url_for_with_cache_bust)
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def url_for_with_cache_bust(endpoint, **values):
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"""
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Add a query parameter based on the hash of the file, this acts as a cache bust
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"""
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if endpoint == 'static':
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filename = values.get('filename', None)
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if filename:
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if 'STATIC_FILE_HASH_CACHE' not in current_app.config:
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current_app.config['STATIC_FILE_HASH_CACHE'] = dict()
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if filename not in current_app.config['STATIC_FILE_HASH_CACHE']:
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filepath = os.path.join(current_app.root_path, endpoint, filename)
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#print(filepath)
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if os.path.isfile(filepath) and os.access(filepath, os.R_OK):
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with open(filepath, 'rb') as file:
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hasher = hashlib.md5()
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hasher.update(file.read())
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current_app.config['STATIC_FILE_HASH_CACHE'][filename] = hasher.hexdigest()[-6:]
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values['q'] = current_app.config['STATIC_FILE_HASH_CACHE'][filename]
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return url_for(endpoint, **values)
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