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883 lines
31 KiB
883 lines
31 KiB
#!/usr/bin/python3
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# @todo logging
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# @todo extra options for url like , verify=False etc.
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# @todo enable https://urllib3.readthedocs.io/en/latest/user-guide.html#ssl as option?
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# @todo option for interval day/6 hour/etc
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# @todo on change detected, config for calling some API
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# @todo make tables responsive!
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# @todo fetch title into json
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# https://distill.io/features
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# proxy per check
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# - flask_cors, itsdangerous,MarkupSafe
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import time
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import os
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import timeago
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import flask_login
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from flask_login import login_required
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import threading
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from threading import Event
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import queue
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from flask import Flask, render_template, request, send_from_directory, abort, redirect, url_for
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from feedgen.feed import FeedGenerator
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from flask import make_response
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import datetime
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import pytz
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datastore = None
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# Local
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running_update_threads = []
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ticker_thread = None
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messages = []
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extra_stylesheets = []
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update_q = queue.Queue()
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notification_q = queue.Queue()
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app = Flask(__name__, static_url_path="/var/www/change-detection/backend/static")
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# Stop browser caching of assets
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app.config['SEND_FILE_MAX_AGE_DEFAULT'] = 0
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app.config.exit = Event()
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app.config['NEW_VERSION_AVAILABLE'] = False
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app.config['LOGIN_DISABLED'] = False
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# Disables caching of the templates
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app.config['TEMPLATES_AUTO_RELOAD'] = True
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# We use the whole watch object from the store/JSON so we can see if there's some related status in terms of a thread
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# running or something similar.
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@app.template_filter('format_last_checked_time')
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def _jinja2_filter_datetime(watch_obj, format="%Y-%m-%d %H:%M:%S"):
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# Worker thread tells us which UUID it is currently processing.
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for t in running_update_threads:
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if t.current_uuid == watch_obj['uuid']:
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return "Checking now.."
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if watch_obj['last_checked'] == 0:
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return 'Not yet'
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return timeago.format(int(watch_obj['last_checked']), time.time())
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# @app.context_processor
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# def timeago():
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# def _timeago(lower_time, now):
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# return timeago.format(lower_time, now)
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# return dict(timeago=_timeago)
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@app.template_filter('format_timestamp_timeago')
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def _jinja2_filter_datetimestamp(timestamp, format="%Y-%m-%d %H:%M:%S"):
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return timeago.format(timestamp, time.time())
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# return timeago.format(timestamp, time.time())
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# return datetime.datetime.utcfromtimestamp(timestamp).strftime(format)
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class User(flask_login.UserMixin):
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id=None
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def set_password(self, password):
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return True
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def get_user(self, email="defaultuser@changedetection.io"):
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return self
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def is_authenticated(self):
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return True
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def is_active(self):
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return True
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def is_anonymous(self):
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return False
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def get_id(self):
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return str(self.id)
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def check_password(self, password):
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import hashlib
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import base64
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# Getting the values back out
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raw_salt_pass = base64.b64decode(datastore.data['settings']['application']['password'])
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salt_from_storage = raw_salt_pass[:32] # 32 is the length of the salt
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# Use the exact same setup you used to generate the key, but this time put in the password to check
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new_key = hashlib.pbkdf2_hmac(
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'sha256',
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password.encode('utf-8'), # Convert the password to bytes
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salt_from_storage,
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100000
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)
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new_key = salt_from_storage + new_key
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return new_key == raw_salt_pass
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pass
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def changedetection_app(conig=None, datastore_o=None):
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global datastore
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datastore = datastore_o
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app.config.update(dict(DEBUG=True))
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#app.config.update(config or {})
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login_manager = flask_login.LoginManager(app)
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login_manager.login_view = 'login'
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# Setup cors headers to allow all domains
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# https://flask-cors.readthedocs.io/en/latest/
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# CORS(app)
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@login_manager.user_loader
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def user_loader(email):
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user = User()
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user.get_user(email)
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return user
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@login_manager.unauthorized_handler
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def unauthorized_handler():
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# @todo validate its a URL of this host and use that
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return redirect(url_for('login', next=url_for('index')))
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@app.route('/logout')
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def logout():
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flask_login.logout_user()
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return redirect(url_for('index'))
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# https://github.com/pallets/flask/blob/93dd1709d05a1cf0e886df6223377bdab3b077fb/examples/tutorial/flaskr/__init__.py#L39
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# You can divide up the stuff like this
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@app.route('/login', methods=['GET', 'POST'])
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def login():
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global messages
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if request.method == 'GET':
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output = render_template("login.html", messages=messages)
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# Show messages but once.
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messages = []
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return output
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user = User()
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user.id = "defaultuser@changedetection.io"
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password = request.form.get('password')
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if (user.check_password(password)):
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flask_login.login_user(user, remember=True)
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next = request.args.get('next')
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# if not is_safe_url(next):
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# return flask.abort(400)
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return redirect(next or url_for('index'))
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else:
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messages.append({'class': 'error', 'message': 'Incorrect password'})
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return redirect(url_for('login'))
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@app.before_request
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def do_something_whenever_a_request_comes_in():
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# Disable password loginif there is not one set
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app.config['LOGIN_DISABLED'] = datastore.data['settings']['application']['password'] == False
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@app.route("/", methods=['GET'])
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@login_required
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def index():
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global messages
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limit_tag = request.args.get('tag')
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pause_uuid = request.args.get('pause')
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if pause_uuid:
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try:
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datastore.data['watching'][pause_uuid]['paused'] ^= True
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datastore.needs_write = True
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return redirect(url_for('index', tag = limit_tag))
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except KeyError:
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pass
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# Sort by last_changed and add the uuid which is usually the key..
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sorted_watches = []
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for uuid, watch in datastore.data['watching'].items():
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if limit_tag != None:
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# Support for comma separated list of tags.
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for tag_in_watch in watch['tag'].split(','):
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tag_in_watch = tag_in_watch.strip()
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if tag_in_watch == limit_tag:
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watch['uuid'] = uuid
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sorted_watches.append(watch)
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else:
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watch['uuid'] = uuid
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sorted_watches.append(watch)
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sorted_watches.sort(key=lambda x: x['last_changed'], reverse=True)
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existing_tags = datastore.get_all_tags()
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rss = request.args.get('rss')
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if rss:
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fg = FeedGenerator()
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fg.title('changedetection.io')
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fg.description('Feed description')
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fg.link(href='https://changedetection.io')
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for watch in sorted_watches:
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if not watch['viewed']:
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fe = fg.add_entry()
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fe.title(watch['url'])
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fe.link(href=watch['url'])
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fe.description(watch['url'])
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fe.guid(watch['uuid'], permalink=False)
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dt = datetime.datetime.fromtimestamp(int(watch['newest_history_key']))
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dt = dt.replace(tzinfo=pytz.UTC)
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fe.pubDate(dt)
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response = make_response(fg.rss_str())
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response.headers.set('Content-Type', 'application/rss+xml')
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return response
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else:
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output = render_template("watch-overview.html",
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watches=sorted_watches,
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messages=messages,
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tags=existing_tags,
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active_tag=limit_tag,
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has_unviewed=datastore.data['has_unviewed'])
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# Show messages but once.
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messages = []
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return output
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@app.route("/scrub", methods=['GET', 'POST'])
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@login_required
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def scrub_page():
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from pathlib import Path
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global messages
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if request.method == 'POST':
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confirmtext = request.form.get('confirmtext')
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limit_timestamp = int(request.form.get('limit_date'))
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if confirmtext == 'scrub':
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for uuid, watch in datastore.data['watching'].items():
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if len(str(limit_timestamp)) == 10:
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datastore.scrub_watch(uuid, limit_timestamp = limit_timestamp)
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else:
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datastore.scrub_watch(uuid)
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messages.append({'class': 'ok', 'message': 'Cleaned all version history.'})
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else:
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messages.append({'class': 'error', 'message': 'Wrong confirm text.'})
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return redirect(url_for('index'))
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return render_template("scrub.html")
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# If they edited an existing watch, we need to know to reset the current/previous md5 to include
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# the excluded text.
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def get_current_checksum_include_ignore_text(uuid):
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import hashlib
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from backend import fetch_site_status
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# Get the most recent one
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newest_history_key = datastore.get_val(uuid, 'newest_history_key')
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# 0 means that theres only one, so that there should be no 'unviewed' history availabe
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if newest_history_key == 0:
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newest_history_key = list(datastore.data['watching'][uuid]['history'].keys())[0]
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if newest_history_key:
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with open(datastore.data['watching'][uuid]['history'][newest_history_key],
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encoding='utf-8') as file:
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raw_content = file.read()
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handler = fetch_site_status.perform_site_check(datastore=datastore)
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stripped_content = handler.strip_ignore_text(raw_content,
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datastore.data['watching'][uuid]['ignore_text'])
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checksum = hashlib.md5(stripped_content).hexdigest()
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return checksum
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return datastore.data['watching'][uuid]['previous_md5']
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@app.route("/edit/<string:uuid>", methods=['GET', 'POST'])
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@login_required
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def edit_page(uuid):
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global messages
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import validators
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# More for testing, possible to return the first/only
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if uuid == 'first':
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uuid = list(datastore.data['watching'].keys()).pop()
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if request.method == 'POST':
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url = request.form.get('url').strip()
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tag = request.form.get('tag').strip()
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minutes_recheck = request.form.get('minutes')
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if minutes_recheck:
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minutes = int(minutes_recheck.strip())
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if minutes >= 1:
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datastore.data['watching'][uuid]['minutes_between_check'] = minutes
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else:
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messages.append(
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{'class': 'error', 'message': "Must be atleast 1 minute."})
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# Extra headers
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form_headers = request.form.get('headers').strip().split("\n")
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extra_headers = {}
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if form_headers:
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for header in form_headers:
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if len(header):
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parts = header.split(':', 1)
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if len(parts) == 2:
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extra_headers.update({parts[0].strip(): parts[1].strip()})
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update_obj = {'url': url,
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'tag': tag,
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'headers': extra_headers
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}
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# Notification URLs
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form_notification_text = request.form.get('notification_urls')
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notification_urls = []
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if form_notification_text:
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for text in form_notification_text.strip().split("\n"):
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text = text.strip()
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if len(text):
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notification_urls.append(text)
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datastore.data['watching'][uuid]['notification_urls'] = notification_urls
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# Ignore text
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form_ignore_text = request.form.get('ignore-text')
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ignore_text = []
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if form_ignore_text:
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for text in form_ignore_text.strip().split("\n"):
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text = text.strip()
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if len(text):
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ignore_text.append(text)
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datastore.data['watching'][uuid]['ignore_text'] = ignore_text
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# Reset the previous_md5 so we process a new snapshot including stripping ignore text.
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if len(datastore.data['watching'][uuid]['history']):
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update_obj['previous_md5'] = get_current_checksum_include_ignore_text(uuid=uuid)
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validators.url(url) # @todo switch to prop/attr/observer
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datastore.data['watching'][uuid].update(update_obj)
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datastore.needs_write = True
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messages.append({'class': 'ok', 'message': 'Updated watch.'})
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trigger_n = request.form.get('trigger-test-notification')
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if trigger_n:
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n_object = {'watch_url': url,
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'notification_urls': notification_urls}
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notification_q.put(n_object)
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messages.append({'class': 'ok', 'message': 'Notifications queued.'})
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return redirect(url_for('index'))
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else:
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output = render_template("edit.html", uuid=uuid, watch=datastore.data['watching'][uuid], messages=messages)
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return output
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@app.route("/settings", methods=['GET', "POST"])
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@login_required
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def settings_page():
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global messages
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if request.method == 'GET':
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if request.values.get('notification-test'):
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url_count = len(datastore.data['settings']['application']['notification_urls'])
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if url_count:
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import apprise
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apobj = apprise.Apprise()
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apobj.debug = True
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# Add each notification
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for n in datastore.data['settings']['application']['notification_urls']:
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apobj.add(n)
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outcome = apobj.notify(
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body='Hello from the worlds best and simplest web page change detection and monitoring service!',
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title='Changedetection.io Notification Test',
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)
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if outcome:
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messages.append(
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{'class': 'notice', 'message': "{} Notification URLs reached.".format(url_count)})
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else:
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messages.append(
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{'class': 'error', 'message': "One or more Notification URLs failed"})
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return redirect(url_for('settings_page'))
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if request.values.get('removepassword'):
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from pathlib import Path
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datastore.data['settings']['application']['password'] = False
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messages.append({'class': 'notice', 'message': "Password protection removed."})
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flask_login.logout_user()
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return redirect(url_for('settings_page'))
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if request.method == 'POST':
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password = request.values.get('password')
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if password:
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import hashlib
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import base64
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import secrets
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# Make a new salt on every new password and store it with the password
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salt = secrets.token_bytes(32)
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key = hashlib.pbkdf2_hmac('sha256', password.encode('utf-8'), salt, 100000)
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store = base64.b64encode(salt + key).decode('ascii')
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datastore.data['settings']['application']['password'] = store
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messages.append({'class': 'notice', 'message': "Password protection enabled."})
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flask_login.logout_user()
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return redirect(url_for('index'))
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try:
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minutes = int(request.values.get('minutes').strip())
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except ValueError:
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messages.append({'class': 'error', 'message': "Invalid value given, use an integer."})
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else:
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if minutes >= 1:
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datastore.data['settings']['requests']['minutes_between_check'] = minutes
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datastore.needs_write = True
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else:
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messages.append(
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{'class': 'error', 'message': "Must be atleast 1 minute."})
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# 'validators' package doesnt work because its often a non-stanadard protocol. :(
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datastore.data['settings']['application']['notification_urls'] = []
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trigger_n = request.form.get('trigger-test-notification')
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for n in request.values.get('notification_urls').strip().split("\n"):
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url = n.strip()
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datastore.data['settings']['application']['notification_urls'].append(url)
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datastore.needs_write = True
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if trigger_n:
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n_object = {'watch_url': "Test from changedetection.io!",
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'notification_urls': datastore.data['settings']['application']['notification_urls']}
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notification_q.put(n_object)
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messages.append({'class': 'ok', 'message': 'Notifications queued.'})
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output = render_template("settings.html", messages=messages,
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minutes=datastore.data['settings']['requests']['minutes_between_check'],
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notification_urls="\r\n".join(
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datastore.data['settings']['application']['notification_urls']))
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messages = []
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return output
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@app.route("/import", methods=['GET', "POST"])
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@login_required
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def import_page():
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import validators
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global messages
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remaining_urls = []
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good = 0
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if request.method == 'POST':
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urls = request.values.get('urls').split("\n")
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for url in urls:
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url = url.strip()
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if len(url) and validators.url(url):
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new_uuid = datastore.add_watch(url=url.strip(), tag="")
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# Straight into the queue.
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update_q.put(new_uuid)
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good += 1
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else:
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if len(url):
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remaining_urls.append(url)
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messages.append({'class': 'ok', 'message': "{} Imported, {} Skipped.".format(good, len(remaining_urls))})
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if len(remaining_urls) == 0:
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# Looking good, redirect to index.
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return redirect(url_for('index'))
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|
# Could be some remaining, or we could be on GET
|
|
output = render_template("import.html",
|
|
messages=messages,
|
|
remaining="\n".join(remaining_urls)
|
|
)
|
|
messages = []
|
|
|
|
return output
|
|
|
|
# Clear all statuses, so we do not see the 'unviewed' class
|
|
@app.route("/api/mark-all-viewed", methods=['GET'])
|
|
@login_required
|
|
def mark_all_viewed():
|
|
|
|
# Save the current newest history as the most recently viewed
|
|
for watch_uuid, watch in datastore.data['watching'].items():
|
|
datastore.set_last_viewed(watch_uuid, watch['newest_history_key'])
|
|
|
|
messages.append({'class': 'ok', 'message': "Cleared all statuses."})
|
|
return redirect(url_for('index'))
|
|
|
|
@app.route("/diff/<string:uuid>", methods=['GET'])
|
|
@login_required
|
|
def diff_history_page(uuid):
|
|
global messages
|
|
|
|
# More for testing, possible to return the first/only
|
|
if uuid == 'first':
|
|
uuid = list(datastore.data['watching'].keys()).pop()
|
|
|
|
extra_stylesheets = ['/static/css/diff.css']
|
|
try:
|
|
watch = datastore.data['watching'][uuid]
|
|
except KeyError:
|
|
messages.append({'class': 'error', 'message': "No history found for the specified link, bad link?"})
|
|
return redirect(url_for('index'))
|
|
|
|
dates = list(watch['history'].keys())
|
|
# Convert to int, sort and back to str again
|
|
dates = [int(i) for i in dates]
|
|
dates.sort(reverse=True)
|
|
dates = [str(i) for i in dates]
|
|
|
|
if len(dates) < 2:
|
|
messages.append(
|
|
{'class': 'error', 'message': "Not enough saved change detection snapshots to produce a report."})
|
|
return redirect(url_for('index'))
|
|
|
|
# Save the current newest history as the most recently viewed
|
|
datastore.set_last_viewed(uuid, dates[0])
|
|
|
|
newest_file = watch['history'][dates[0]]
|
|
with open(newest_file, 'r') as f:
|
|
newest_version_file_contents = f.read()
|
|
|
|
previous_version = request.args.get('previous_version')
|
|
|
|
try:
|
|
previous_file = watch['history'][previous_version]
|
|
except KeyError:
|
|
# Not present, use a default value, the second one in the sorted list.
|
|
previous_file = watch['history'][dates[1]]
|
|
|
|
with open(previous_file, 'r') as f:
|
|
previous_version_file_contents = f.read()
|
|
|
|
output = render_template("diff.html", watch_a=watch,
|
|
messages=messages,
|
|
newest=newest_version_file_contents,
|
|
previous=previous_version_file_contents,
|
|
extra_stylesheets=extra_stylesheets,
|
|
versions=dates[1:],
|
|
newest_version_timestamp=dates[0],
|
|
current_previous_version=str(previous_version),
|
|
current_diff_url=watch['url'])
|
|
|
|
return output
|
|
|
|
@app.route("/preview/<string:uuid>", methods=['GET'])
|
|
@login_required
|
|
def preview_page(uuid):
|
|
global messages
|
|
|
|
# More for testing, possible to return the first/only
|
|
if uuid == 'first':
|
|
uuid = list(datastore.data['watching'].keys()).pop()
|
|
|
|
extra_stylesheets = ['/static/css/diff.css']
|
|
|
|
try:
|
|
watch = datastore.data['watching'][uuid]
|
|
except KeyError:
|
|
messages.append({'class': 'error', 'message': "No history found for the specified link, bad link?"})
|
|
return redirect(url_for('index'))
|
|
|
|
print(watch)
|
|
with open(list(watch['history'].values())[-1], 'r') as f:
|
|
content = f.readlines()
|
|
|
|
output = render_template("preview.html", content=content, extra_stylesheets=extra_stylesheets)
|
|
return output
|
|
|
|
|
|
@app.route("/favicon.ico", methods=['GET'])
|
|
def favicon():
|
|
return send_from_directory("/app/static/images", filename="favicon.ico")
|
|
|
|
# We're good but backups are even better!
|
|
@app.route("/backup", methods=['GET'])
|
|
@login_required
|
|
def get_backup():
|
|
|
|
import zipfile
|
|
from pathlib import Path
|
|
|
|
# Remove any existing backup file, for now we just keep one file
|
|
for previous_backup_filename in Path(app.config['datastore_path']).rglob('changedetection-backup-*.zip'):
|
|
os.unlink(previous_backup_filename)
|
|
|
|
# create a ZipFile object
|
|
backupname = "changedetection-backup-{}.zip".format(int(time.time()))
|
|
|
|
# We only care about UUIDS from the current index file
|
|
uuids = list(datastore.data['watching'].keys())
|
|
backup_filepath = os.path.join(app.config['datastore_path'], backupname)
|
|
|
|
with zipfile.ZipFile(backup_filepath, "w",
|
|
compression=zipfile.ZIP_DEFLATED,
|
|
compresslevel=8) as zipObj:
|
|
|
|
# Be sure we're written fresh
|
|
datastore.sync_to_json()
|
|
|
|
# Add the index
|
|
zipObj.write(os.path.join(app.config['datastore_path'], "url-watches.json"), arcname="url-watches.json")
|
|
|
|
# Add the flask app secret
|
|
zipObj.write(os.path.join(app.config['datastore_path'], "secret.txt"), arcname="secret.txt")
|
|
|
|
# Add any snapshot data we find, use the full path to access the file, but make the file 'relative' in the Zip.
|
|
for txt_file_path in Path(app.config['datastore_path']).rglob('*.txt'):
|
|
parent_p = txt_file_path.parent
|
|
if parent_p.name in uuids:
|
|
zipObj.write(txt_file_path,
|
|
arcname=str(txt_file_path).replace(app.config['datastore_path'], ''),
|
|
compress_type=zipfile.ZIP_DEFLATED,
|
|
compresslevel=8)
|
|
|
|
# Create a list file with just the URLs, so it's easier to port somewhere else in the future
|
|
list_file = os.path.join(app.config['datastore_path'], "url-list.txt")
|
|
with open(list_file, "w") as f:
|
|
for uuid in datastore.data['watching']:
|
|
url = datastore.data['watching'][uuid]['url']
|
|
f.write("{}\r\n".format(url))
|
|
|
|
# Add it to the Zip
|
|
zipObj.write(list_file,
|
|
arcname="url-list.txt",
|
|
compress_type=zipfile.ZIP_DEFLATED,
|
|
compresslevel=8)
|
|
|
|
return send_from_directory(app.config['datastore_path'], backupname, as_attachment=True)
|
|
|
|
@app.route("/static/<string:group>/<string:filename>", methods=['GET'])
|
|
def static_content(group, filename):
|
|
# These files should be in our subdirectory
|
|
full_path = os.path.realpath(__file__)
|
|
p = os.path.dirname(full_path)
|
|
|
|
try:
|
|
return send_from_directory("{}/static/{}".format(p, group), filename=filename)
|
|
except FileNotFoundError:
|
|
abort(404)
|
|
|
|
@app.route("/api/add", methods=['POST'])
|
|
@login_required
|
|
def api_watch_add():
|
|
global messages
|
|
|
|
url = request.form.get('url').strip()
|
|
if datastore.url_exists(url):
|
|
messages.append({'class': 'error', 'message': 'The URL {} already exists'.format(url)})
|
|
return redirect(url_for('index'))
|
|
|
|
# @todo add_watch should throw a custom Exception for validation etc
|
|
new_uuid = datastore.add_watch(url=url, tag=request.form.get('tag').strip())
|
|
# Straight into the queue.
|
|
update_q.put(new_uuid)
|
|
|
|
messages.append({'class': 'ok', 'message': 'Watch added.'})
|
|
return redirect(url_for('index'))
|
|
|
|
@app.route("/api/delete", methods=['GET'])
|
|
@login_required
|
|
def api_delete():
|
|
global messages
|
|
uuid = request.args.get('uuid')
|
|
datastore.delete(uuid)
|
|
messages.append({'class': 'ok', 'message': 'Deleted.'})
|
|
|
|
return redirect(url_for('index'))
|
|
|
|
@app.route("/api/checknow", methods=['GET'])
|
|
@login_required
|
|
def api_watch_checknow():
|
|
|
|
global messages
|
|
|
|
tag = request.args.get('tag')
|
|
uuid = request.args.get('uuid')
|
|
i = 0
|
|
|
|
running_uuids = []
|
|
for t in running_update_threads:
|
|
running_uuids.append(t.current_uuid)
|
|
|
|
# @todo check thread is running and skip
|
|
|
|
if uuid:
|
|
if uuid not in running_uuids:
|
|
update_q.put(uuid)
|
|
i = 1
|
|
|
|
elif tag != None:
|
|
# Items that have this current tag
|
|
for watch_uuid, watch in datastore.data['watching'].items():
|
|
if (tag != None and tag in watch['tag']):
|
|
if watch_uuid not in running_uuids and not datastore.data['watching'][watch_uuid]['paused']:
|
|
update_q.put(watch_uuid)
|
|
i += 1
|
|
|
|
else:
|
|
# No tag, no uuid, add everything.
|
|
for watch_uuid, watch in datastore.data['watching'].items():
|
|
|
|
if watch_uuid not in running_uuids and not datastore.data['watching'][watch_uuid]['paused']:
|
|
update_q.put(watch_uuid)
|
|
i += 1
|
|
|
|
messages.append({'class': 'ok', 'message': "{} watches are rechecking.".format(i)})
|
|
return redirect(url_for('index', tag=tag))
|
|
|
|
# @todo handle ctrl break
|
|
ticker_thread = threading.Thread(target=ticker_thread_check_time_launch_checks).start()
|
|
|
|
threading.Thread(target=notification_runner).start()
|
|
|
|
# Check for new release version
|
|
threading.Thread(target=check_for_new_version).start()
|
|
return app
|
|
|
|
|
|
# Check for new version and anonymous stats
|
|
def check_for_new_version():
|
|
import requests
|
|
|
|
import urllib3
|
|
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
|
|
|
|
while not app.config.exit.is_set():
|
|
try:
|
|
r = requests.post("https://changedetection.io/check-ver.php",
|
|
data={'version': datastore.data['version_tag'],
|
|
'app_guid': datastore.data['app_guid']},
|
|
|
|
verify=False)
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
if "new_version" in r.text:
|
|
app.config['NEW_VERSION_AVAILABLE'] = True
|
|
except:
|
|
pass
|
|
|
|
# Check daily
|
|
app.config.exit.wait(86400)
|
|
|
|
def notification_runner():
|
|
|
|
while not app.config.exit.is_set():
|
|
try:
|
|
# At the moment only one thread runs (single runner)
|
|
n_object = notification_q.get(block=False)
|
|
except queue.Empty:
|
|
time.sleep(1)
|
|
pass
|
|
|
|
else:
|
|
import apprise
|
|
|
|
# Create an Apprise instance
|
|
try:
|
|
apobj = apprise.Apprise()
|
|
for url in n_object['notification_urls']:
|
|
apobj.add(url.strip())
|
|
|
|
n_body = n_object['watch_url']
|
|
|
|
# 65 - Append URL of instance to the notification if it is set.
|
|
base_url = os.getenv('BASE_URL')
|
|
if base_url != None:
|
|
n_body += "\n" + base_url
|
|
|
|
apobj.notify(
|
|
body=n_body,
|
|
# @todo This should be configurable.
|
|
title="ChangeDetection.io Notification - {}".format(n_object['watch_url'])
|
|
)
|
|
|
|
except Exception as e:
|
|
print("Watch URL: {} Error {}".format(n_object['watch_url'],e))
|
|
|
|
|
|
# Thread runner to check every minute, look for new watches to feed into the Queue.
|
|
def ticker_thread_check_time_launch_checks():
|
|
from backend import update_worker
|
|
|
|
# Spin up Workers.
|
|
for _ in range(datastore.data['settings']['requests']['workers']):
|
|
new_worker = update_worker.update_worker(update_q, notification_q, app, datastore)
|
|
running_update_threads.append(new_worker)
|
|
new_worker.start()
|
|
|
|
while not app.config.exit.is_set():
|
|
|
|
running_uuids = []
|
|
for t in running_update_threads:
|
|
if t.current_uuid:
|
|
running_uuids.append(t.current_uuid)
|
|
|
|
# Look at the dataset, find a stale watch to process
|
|
|
|
# Every minute check for new UUIDs to follow up on, should be inside the loop incase it changes.
|
|
minutes = datastore.data['settings']['requests']['minutes_between_check']
|
|
|
|
threshold = time.time() - (minutes * 60)
|
|
for uuid, watch in datastore.data['watching'].items():
|
|
|
|
# If they supplied an individual entry minutes to recheck and its not the same as the default
|
|
if 'minutes_between_check' in watch and minutes != watch['minutes_between_check']:
|
|
threshold = time.time() - (watch['minutes_between_check'] * 60)
|
|
|
|
if not watch['paused'] and watch['last_checked'] <= threshold:
|
|
if not uuid in running_uuids and uuid not in update_q.queue:
|
|
update_q.put(uuid)
|
|
|
|
time.sleep(1)
|
|
|
|
# Should be low so we can break this out in testing
|
|
app.config.exit.wait(1)
|