mirror of
https://github.com/GSA/notifications-admin.git
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149 lines
3.8 KiB
Python
149 lines
3.8 KiB
Python
import os
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from flask import Flask, session
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from flask._compat import string_types
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from flask.ext import assets
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from flask.ext.sqlalchemy import SQLAlchemy
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from flask_login import LoginManager
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from flask_wtf import CsrfProtect
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from webassets.filter import get_filter
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from werkzeug.exceptions import abort
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from app.its_dangerous_session import ItsdangerousSessionInterface
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import app.proxy_fix
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from config import configs
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db = SQLAlchemy()
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login_manager = LoginManager()
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csrf = CsrfProtect()
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def create_app(config_name):
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application = Flask(__name__)
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application.config['NOTIFY_API_ENVIRONMENT'] = config_name
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application.config.from_object(configs[config_name])
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db.init_app(application)
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init_app(application)
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init_csrf(application)
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login_manager.init_app(application)
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login_manager.login_view = 'main.sign_in.render_sign_in'
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from app.main import main as main_blueprint
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application.register_blueprint(main_blueprint)
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proxy_fix.init_app(application)
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application.session_interface = ItsdangerousSessionInterface()
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return application
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def init_csrf(application):
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csrf.init_app(application)
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@csrf.error_handler
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def csrf_handler(reason):
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if 'user_id' not in session:
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application.logger.info(
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u'csrf.session_expired: Redirecting user to log in page'
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)
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return application.login_manager.unauthorized()
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application.logger.info(
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u'csrf.invalid_token: Aborting request, user_id: {user_id}',
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extra={'user_id': session['user_id']})
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abort(400, reason)
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def init_app(app):
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for key, value in app.config.items():
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if key in os.environ:
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app.config[key] = convert_to_boolean(os.environ[key])
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init_asset_environment(app)
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def init_asset_environment(app):
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env = assets.Environment(app)
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# Tell flask-assets where to look for our sass files.
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env.load_path = [
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os.path.join(os.path.dirname(__file__), 'assets/stylesheets'),
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os.path.join(os.path.dirname(__file__), 'assets'),
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os.path.join(os.path.dirname(__file__), 'assets/stylesheets/stylesheets/govuk_frontend_toolkit'),
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os.path.join(os.path.dirname(__file__), 'assets/stylesheets/govuk_template')
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]
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scss = get_filter('scss', as_output=True)
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env.register(
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'css_all',
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assets.Bundle(
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'main.scss',
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filters='scss',
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output='css_all.css'
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)
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)
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env.register(
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'css_govuk-template',
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assets.Bundle(
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'govuk_template/govuk-template.scss',
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filters='scss',
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output='stylesheets/govuk-template.css',
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depends='*.scss'
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)
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)
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env.register(
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'css_govuk-template-ie6',
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assets.Bundle(
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'govuk_template/govuk-template-ie6.scss',
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filters='scss',
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output='stylesheets/govuk-template-ie6.css'
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)
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)
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env.register(
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'css_govuk-template-ie7',
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assets.Bundle(
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'govuk_template/govuk-template-ie7.scss',
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filters='scss',
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output='stylesheets/govuk-template-ie7.css'
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)
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)
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env.register(
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'css_govuk-template-ie8',
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assets.Bundle(
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'govuk_template/govuk-template-ie8.scss',
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filters='scss',
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output='stylesheets/govuk-template-ie8.css'
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)
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)
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env.register(
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'css_govuk-template-print',
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assets.Bundle(
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'govuk_template/govuk-template-print.scss',
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filters='scss',
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output='stylesheets/govuk-template-print.css'
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)
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)
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def convert_to_boolean(value):
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if isinstance(value, string_types):
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if value.lower() in ['t', 'true', 'on', 'yes', '1']:
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return True
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elif value.lower() in ['f', 'false', 'off', 'no', '0']:
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return False
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return value
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