mirror of
https://github.com/GSA/notifications-admin.git
synced 2026-02-06 03:13:42 -05:00
527 lines
16 KiB
Python
527 lines
16 KiB
Python
import os
|
||
import urllib
|
||
from datetime import datetime, timedelta, timezone
|
||
from time import monotonic
|
||
|
||
import itertools
|
||
import ago
|
||
from itsdangerous import BadSignature
|
||
from flask import (
|
||
session,
|
||
render_template,
|
||
make_response,
|
||
current_app,
|
||
request,
|
||
g,
|
||
url_for,
|
||
flash
|
||
)
|
||
from flask._compat import string_types
|
||
from flask.globals import _lookup_req_object, _request_ctx_stack
|
||
from flask_login import LoginManager
|
||
from flask_wtf import CSRFProtect
|
||
from flask_wtf.csrf import CSRFError
|
||
from functools import partial
|
||
|
||
from notifications_python_client.errors import HTTPError
|
||
from notifications_utils import logging, request_helper, formatters
|
||
from notifications_utils.clients.statsd.statsd_client import StatsdClient
|
||
from notifications_utils.recipients import (
|
||
validate_phone_number,
|
||
InvalidPhoneError,
|
||
format_phone_number_human_readable,
|
||
)
|
||
from notifications_utils.formatters import formatted_list
|
||
from werkzeug.exceptions import abort
|
||
from werkzeug.local import LocalProxy
|
||
|
||
from app import proxy_fix
|
||
from app.config import configs
|
||
from app.asset_fingerprinter import AssetFingerprinter
|
||
from app.its_dangerous_session import ItsdangerousSessionInterface
|
||
from app.notify_client.service_api_client import ServiceAPIClient
|
||
from app.notify_client.api_key_api_client import ApiKeyApiClient
|
||
from app.notify_client.invite_api_client import InviteApiClient
|
||
from app.notify_client.job_api_client import JobApiClient
|
||
from app.notify_client.notification_api_client import NotificationApiClient
|
||
from app.notify_client.status_api_client import StatusApiClient
|
||
from app.notify_client.template_statistics_api_client import TemplateStatisticsApiClient
|
||
from app.notify_client.user_api_client import UserApiClient
|
||
from app.notify_client.events_api_client import EventsApiClient
|
||
from app.notify_client.provider_client import ProviderClient
|
||
from app.notify_client.organisations_client import OrganisationsClient
|
||
from app.notify_client.models import AnonymousUser
|
||
from app.notify_client.letter_jobs_client import LetterJobsClient
|
||
from app.notify_client.inbound_number_client import InboundNumberClient
|
||
from app.notify_client.billing_api_client import BillingAPIClient
|
||
from app.commands import setup_commands
|
||
from app.utils import get_cdn_domain
|
||
from app.utils import gmt_timezones
|
||
|
||
login_manager = LoginManager()
|
||
csrf = CSRFProtect()
|
||
|
||
service_api_client = ServiceAPIClient()
|
||
user_api_client = UserApiClient()
|
||
api_key_api_client = ApiKeyApiClient()
|
||
job_api_client = JobApiClient()
|
||
notification_api_client = NotificationApiClient()
|
||
status_api_client = StatusApiClient()
|
||
invite_api_client = InviteApiClient()
|
||
template_statistics_client = TemplateStatisticsApiClient()
|
||
events_api_client = EventsApiClient()
|
||
provider_client = ProviderClient()
|
||
organisations_client = OrganisationsClient()
|
||
asset_fingerprinter = AssetFingerprinter()
|
||
statsd_client = StatsdClient()
|
||
letter_jobs_client = LetterJobsClient()
|
||
inbound_number_client = InboundNumberClient()
|
||
billing_api_client = BillingAPIClient()
|
||
|
||
# The current service attached to the request stack.
|
||
current_service = LocalProxy(partial(_lookup_req_object, 'service'))
|
||
|
||
|
||
def create_app(application):
|
||
setup_commands(application)
|
||
|
||
notify_environment = os.environ['NOTIFY_ENVIRONMENT']
|
||
|
||
application.config.from_object(configs[notify_environment])
|
||
|
||
init_app(application)
|
||
statsd_client.init_app(application)
|
||
logging.init_app(application, statsd_client)
|
||
init_csrf(application)
|
||
request_helper.init_app(application)
|
||
|
||
service_api_client.init_app(application)
|
||
user_api_client.init_app(application)
|
||
api_key_api_client.init_app(application)
|
||
job_api_client.init_app(application)
|
||
notification_api_client.init_app(application)
|
||
status_api_client.init_app(application)
|
||
invite_api_client.init_app(application)
|
||
template_statistics_client.init_app(application)
|
||
events_api_client.init_app(application)
|
||
provider_client.init_app(application)
|
||
organisations_client.init_app(application)
|
||
letter_jobs_client.init_app(application)
|
||
inbound_number_client.init_app(application)
|
||
billing_api_client.init_app(application)
|
||
|
||
login_manager.init_app(application)
|
||
login_manager.login_view = 'main.sign_in'
|
||
login_manager.login_message_category = 'default'
|
||
login_manager.session_protection = None
|
||
login_manager.anonymous_user = AnonymousUser
|
||
|
||
from app.main import main as main_blueprint
|
||
application.register_blueprint(main_blueprint)
|
||
|
||
from .status import status as status_blueprint
|
||
application.register_blueprint(status_blueprint)
|
||
|
||
proxy_fix.init_app(application)
|
||
|
||
application.session_interface = ItsdangerousSessionInterface()
|
||
|
||
add_template_filters(application)
|
||
|
||
register_errorhandlers(application)
|
||
|
||
setup_event_handlers()
|
||
|
||
|
||
def init_csrf(application):
|
||
csrf.init_app(application)
|
||
|
||
@application.errorhandler(CSRFError)
|
||
def csrf_handler(reason):
|
||
application.logger.warning('csrf.error_message: {}'.format(reason))
|
||
|
||
if 'user_id' not in session:
|
||
application.logger.warning(
|
||
u'csrf.session_expired: Redirecting user to log in page'
|
||
)
|
||
|
||
return application.login_manager.unauthorized()
|
||
|
||
application.logger.warning(
|
||
u'csrf.invalid_token: Aborting request, user_id: {user_id}',
|
||
extra={'user_id': session['user_id']})
|
||
|
||
abort(400, reason)
|
||
|
||
|
||
def init_app(application):
|
||
application.after_request(useful_headers_after_request)
|
||
application.after_request(save_service_after_request)
|
||
application.before_request(load_service_before_request)
|
||
|
||
@application.context_processor
|
||
def _attach_current_service():
|
||
return {'current_service': current_service}
|
||
|
||
application.before_request(request_helper.check_proxy_header_before_request)
|
||
|
||
@application.before_request
|
||
def record_start_time():
|
||
g.start = monotonic()
|
||
g.endpoint = request.endpoint
|
||
|
||
@application.context_processor
|
||
def inject_global_template_variables():
|
||
return {
|
||
'asset_path': '/static/',
|
||
'header_colour': application.config['HEADER_COLOUR'],
|
||
'asset_url': asset_fingerprinter.get_url
|
||
}
|
||
|
||
|
||
def convert_to_boolean(value):
|
||
if isinstance(value, string_types):
|
||
if value.lower() in ['t', 'true', 'on', 'yes', '1']:
|
||
return True
|
||
elif value.lower() in ['f', 'false', 'off', 'no', '0']:
|
||
return False
|
||
|
||
return value
|
||
|
||
|
||
def linkable_name(value):
|
||
return urllib.parse.quote_plus(value)
|
||
|
||
|
||
def format_datetime(date):
|
||
return '{} at {}'.format(
|
||
format_date(date),
|
||
format_time(date)
|
||
)
|
||
|
||
|
||
def format_datetime_24h(date):
|
||
return '{} at {}'.format(
|
||
format_date(date),
|
||
format_time_24h(date),
|
||
)
|
||
|
||
|
||
def format_datetime_normal(date):
|
||
return '{} at {}'.format(
|
||
format_date_normal(date),
|
||
format_time(date)
|
||
)
|
||
|
||
|
||
def format_datetime_short(date):
|
||
return '{} at {}'.format(
|
||
format_date_short(date),
|
||
format_time(date)
|
||
)
|
||
|
||
|
||
def format_datetime_relative(date):
|
||
return '{} at {}'.format(
|
||
get_human_day(date),
|
||
format_time(date)
|
||
)
|
||
|
||
|
||
def format_datetime_numeric(date):
|
||
return '{} {}'.format(
|
||
format_date_numeric(date),
|
||
format_time_24h(date),
|
||
)
|
||
|
||
|
||
def format_date_numeric(date):
|
||
return gmt_timezones(date).strftime('%Y-%m-%d')
|
||
|
||
|
||
def format_time_24h(date):
|
||
return gmt_timezones(date).strftime('%H:%M')
|
||
|
||
|
||
def get_human_day(time):
|
||
|
||
# Add 1 hour to get ‘midnight today’ instead of ‘midnight tomorrow’
|
||
time_as_day = (gmt_timezones(time) - timedelta(hours=1)).strftime('%A')
|
||
six_days_ago = gmt_timezones((datetime.utcnow() + timedelta(days=-6)).isoformat())
|
||
|
||
if gmt_timezones(time) < six_days_ago:
|
||
return format_date_short(time)
|
||
if time_as_day == (datetime.utcnow() + timedelta(days=1)).strftime('%A'):
|
||
return 'tomorrow'
|
||
if time_as_day == datetime.utcnow().strftime('%A'):
|
||
return 'today'
|
||
if time_as_day == (datetime.utcnow() + timedelta(days=-1)).strftime('%A'):
|
||
return 'yesterday'
|
||
return format_date_short(time)
|
||
|
||
|
||
def format_time(date):
|
||
return {
|
||
'12:00AM': 'Midnight',
|
||
'12:00PM': 'Midday'
|
||
}.get(
|
||
gmt_timezones(date).strftime('%-I:%M%p'),
|
||
gmt_timezones(date).strftime('%-I:%M%p')
|
||
).lower()
|
||
|
||
|
||
def format_date(date):
|
||
return gmt_timezones(date).strftime('%A %d %B %Y')
|
||
|
||
|
||
def format_date_normal(date):
|
||
return gmt_timezones(date).strftime('%d %B %Y').lstrip('0')
|
||
|
||
|
||
def format_date_short(date):
|
||
return gmt_timezones(date).strftime('%d %B').lstrip('0')
|
||
|
||
|
||
def format_delta(date):
|
||
delta = (
|
||
datetime.now(timezone.utc)
|
||
) - (
|
||
gmt_timezones(date)
|
||
)
|
||
if delta < timedelta(seconds=30):
|
||
return "just now"
|
||
if delta < timedelta(seconds=60):
|
||
return "in the last minute"
|
||
return ago.human(
|
||
delta,
|
||
future_tense='{} from now', # No-one should ever see this
|
||
past_tense='{} ago',
|
||
precision=1
|
||
)
|
||
|
||
|
||
def valid_phone_number(phone_number):
|
||
try:
|
||
validate_phone_number(phone_number)
|
||
return True
|
||
except InvalidPhoneError:
|
||
return False
|
||
|
||
|
||
def format_notification_status(status, template_type):
|
||
return {
|
||
'email': {
|
||
'failed': 'Failed',
|
||
'technical-failure': 'Technical failure',
|
||
'temporary-failure': 'Inbox not accepting messages right now',
|
||
'permanent-failure': 'Email address doesn’t exist',
|
||
'delivered': 'Delivered',
|
||
'sending': 'Sending',
|
||
'created': 'Sending',
|
||
'sent': 'Delivered'
|
||
},
|
||
'sms': {
|
||
'failed': 'Failed',
|
||
'technical-failure': 'Technical failure',
|
||
'temporary-failure': 'Phone not accepting messages right now',
|
||
'permanent-failure': 'Phone number doesn’t exist',
|
||
'delivered': 'Delivered',
|
||
'sending': 'Sending',
|
||
'created': 'Sending',
|
||
'sent': 'Sent internationally'
|
||
},
|
||
'letter': {
|
||
'failed': 'Failed',
|
||
'technical-failure': 'Technical failure',
|
||
'temporary-failure': 'Temporary failure',
|
||
'permanent-failure': 'Permanent failure',
|
||
'delivered': 'Delivered',
|
||
'sending': 'Sending',
|
||
'created': 'Sending',
|
||
'sent': 'Delivered'
|
||
}
|
||
}[template_type].get(status, status)
|
||
|
||
|
||
def format_notification_status_as_time(status, created, updated):
|
||
return {
|
||
'sending': ' since {}'.format(created),
|
||
'created': ' since {}'.format(created)
|
||
}.get(status, updated)
|
||
|
||
|
||
def format_notification_status_as_field_status(status):
|
||
return {
|
||
'failed': 'error',
|
||
'technical-failure': 'error',
|
||
'temporary-failure': 'error',
|
||
'permanent-failure': 'error',
|
||
'delivered': None,
|
||
'sent': None,
|
||
'sending': 'default',
|
||
'created': 'default'
|
||
}.get(status, 'error')
|
||
|
||
|
||
def format_notification_status_as_url(status):
|
||
url = partial(url_for, "main.using_notify")
|
||
return {
|
||
'technical-failure': url(_anchor='technical-failure'),
|
||
'temporary-failure': url(_anchor='not-accepting-messages'),
|
||
'permanent-failure': url(_anchor='does-not-exist')
|
||
}.get(status)
|
||
|
||
|
||
def nl2br(value):
|
||
return formatters.nl2br(value) if value else ''
|
||
|
||
|
||
@login_manager.user_loader
|
||
def load_user(user_id):
|
||
return user_api_client.get_user(user_id)
|
||
|
||
|
||
def load_service_before_request():
|
||
if '/static/' in request.url:
|
||
_request_ctx_stack.top.service = None
|
||
return
|
||
if _request_ctx_stack.top is not None:
|
||
_request_ctx_stack.top.service = None
|
||
|
||
if request.view_args:
|
||
service_id = request.view_args.get('service_id', session.get('service_id'))
|
||
else:
|
||
service_id = session.get('service_id')
|
||
|
||
if service_id:
|
||
try:
|
||
_request_ctx_stack.top.service = service_api_client.get_service(service_id)['data']
|
||
except HTTPError as exc:
|
||
# if service id isn't real, then 404 rather than 500ing later because we expect service to be set
|
||
if exc.status_code == 404:
|
||
abort(404)
|
||
else:
|
||
raise
|
||
|
||
|
||
def save_service_after_request(response):
|
||
# Only save the current session if the request is 200
|
||
service_id = request.view_args.get('service_id', None) if request.view_args else None
|
||
if response.status_code == 200 and service_id:
|
||
session['service_id'] = service_id
|
||
return response
|
||
|
||
|
||
# https://www.owasp.org/index.php/List_of_useful_HTTP_headers
|
||
def useful_headers_after_request(response):
|
||
response.headers.add('X-Frame-Options', 'deny')
|
||
response.headers.add('X-Content-Type-Options', 'nosniff')
|
||
response.headers.add('X-XSS-Protection', '1; mode=block')
|
||
response.headers.add('Content-Security-Policy', (
|
||
"default-src 'self' 'unsafe-inline';"
|
||
"script-src 'self' *.google-analytics.com 'unsafe-inline' 'unsafe-eval' data:;"
|
||
"connect-src 'self' *.google-analytics.com;"
|
||
"object-src 'self';"
|
||
"font-src 'self' data:;"
|
||
"img-src 'self' *.google-analytics.com *.notifications.service.gov.uk {} data:;"
|
||
"frame-src www.youtube.com;".format(get_cdn_domain())
|
||
))
|
||
if 'Cache-Control' in response.headers:
|
||
del response.headers['Cache-Control']
|
||
response.headers.add(
|
||
'Cache-Control', 'no-store, no-cache, private, must-revalidate')
|
||
return response
|
||
|
||
|
||
def register_errorhandlers(application): # noqa (C901 too complex)
|
||
def _error_response(error_code):
|
||
application.logger.exception('Admin app errored with %s', error_code)
|
||
resp = make_response(render_template("error/{0}.html".format(error_code)), error_code)
|
||
return useful_headers_after_request(resp)
|
||
|
||
@application.errorhandler(HTTPError)
|
||
def render_http_error(error):
|
||
application.logger.error("API {} failed with status {} message {}".format(
|
||
error.response.url if error.response else 'unknown',
|
||
error.status_code,
|
||
error.message
|
||
))
|
||
error_code = error.status_code
|
||
if error_code == 400:
|
||
if isinstance(error.message, str):
|
||
msg = [error.message]
|
||
else:
|
||
msg = list(itertools.chain(*[error.message[x] for x in error.message.keys()]))
|
||
resp = make_response(render_template("error/400.html", message=msg))
|
||
return useful_headers_after_request(resp)
|
||
elif error_code not in [401, 404, 403, 410, 500]:
|
||
error_code = 500
|
||
return _error_response(error_code)
|
||
|
||
@application.errorhandler(410)
|
||
def handle_gone(error):
|
||
return _error_response(410)
|
||
|
||
@application.errorhandler(404)
|
||
def handle_not_found(error):
|
||
return _error_response(404)
|
||
|
||
@application.errorhandler(403)
|
||
def handle_not_authorized(error):
|
||
return _error_response(403)
|
||
|
||
@application.errorhandler(401)
|
||
def handle_no_permissions(error):
|
||
return _error_response(401)
|
||
|
||
@application.errorhandler(500)
|
||
def handle_exception(error):
|
||
if current_app.config.get('DEBUG', None):
|
||
raise error
|
||
return _error_response(500)
|
||
|
||
@application.errorhandler(Exception)
|
||
def handle_bad_request(error):
|
||
# We want the Flask in browser stacktrace
|
||
if current_app.config.get('DEBUG', None):
|
||
raise error
|
||
return _error_response(500)
|
||
|
||
@application.errorhandler(BadSignature)
|
||
def handle_bad_token(error):
|
||
# if someone has a malformed token
|
||
flash('There’s something wrong with the link you’ve used.')
|
||
return _error_response(404)
|
||
|
||
|
||
def setup_event_handlers():
|
||
from flask_login import user_logged_in
|
||
from app.event_handlers import on_user_logged_in
|
||
|
||
user_logged_in.connect(on_user_logged_in)
|
||
|
||
|
||
def add_template_filters(application):
|
||
for fn in [
|
||
format_datetime,
|
||
format_datetime_24h,
|
||
format_datetime_normal,
|
||
format_datetime_short,
|
||
format_time,
|
||
valid_phone_number,
|
||
linkable_name,
|
||
format_date,
|
||
format_date_normal,
|
||
format_date_short,
|
||
format_datetime_relative,
|
||
format_delta,
|
||
format_notification_status,
|
||
format_notification_status_as_time,
|
||
format_notification_status_as_field_status,
|
||
format_notification_status_as_url,
|
||
formatted_list,
|
||
nl2br,
|
||
format_phone_number_human_readable,
|
||
]:
|
||
application.add_template_filter(fn)
|