/
app.py
259 lines (204 loc) · 6.45 KB
/
app.py
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from flask import Flask, render_template, send_from_directory, request, session, redirect, jsonify
from flask_bootstrap import Bootstrap
from flask_mongo_session.session_processor import MongoSessionProcessor
import os
import logging
import arrow
from auth import RemoveToken
from plotter import Plotter
from logdir import LogFile
from data import Sites, Mrr, Site
app = Flask(__name__)
#
# Setup Server based session storage.
#
try:
def getenv(name) -> str:
result = ''
value = os.getenv(name)
if value is None:
raise Exception('Environment Variable %s Missing' % name)
else:
result = value
return result
s_cookie_name = getenv('SESSION_COOKIE_NAME')
s_host = getenv('SESSION_HOST')
s_port = getenv('SESSION_PORT')
s_db = getenv('SESSION_DB')
_mongoconn_ = 'mongodb://%s:%s/%s' % (s_host, s_port, s_db)
app.session_cookie_name = s_cookie_name
app.session_interface = MongoSessionProcessor(_mongoconn_)
except Exception as e:
print('Error with Environment: %s ' % e.__str__())
exit()
bootstrap = Bootstrap(app)
logfile = LogFile(app_name='abbui-app')
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
log_file_handler = logging.FileHandler(filename=logfile.full_path)
logger.addHandler(log_file_handler)
app.logger = logger
@app.route('/')
def route_home():
log(request)
if logged_in():
s = Sites()
data = s.sites
total = s.total_flow
context = {
"data": data,
"total": total,
"loginout": login_logout(request)
}
return render_template('home.html', context=context)
else:
return redirect('/login')
def test_session_storage():
print('session start')
x = 'this is a variable'
session['mykey'] = x
print('session mykey saved with ' + x )
xx = session.get('mykey')
print()
def logged_in():
from auth import TokenOK
result = False
if session.get('logged_in', '') == 'yes':
tok = session.get('token', '')
if tok > '':
token_ok = TokenOK(token=tok)
if token_ok.status == 'OK':
result = True
return result
@app.route('/login', methods=['GET', 'POST'])
def route_login():
log(request)
if request.method == 'GET':
if session.get('token') is not None:
if session.get('logged_in') == 'yes':
RemoveToken(token=session.get('token'))
context = {
'username': session.get('username', ''),
'password': '',
"loginout": login_logout(request)
}
return render_template('login.html', context=context)
else:
# POST
username = request.form['username']
password = request.form['password']
token = user_login(username=username, password=password)
if token == '':
session['username'] = username
session['token'] = ''
session['logged_in'] = 'no'
return redirect('/login')
else:
session['username'] = username
session['token'] = token
session['logged_in'] = 'yes'
return redirect('/')
@app.route('/logout')
def route_logout():
log(request)
token = session.get('token')
if token is not None:
rmtok = RemoveToken(token=token)
session.pop('token')
session.pop('username')
session.pop('logged_in')
return redirect('/')
def user_login(username='', password='') -> str:
from auth import Login
result = ''
login = Login(username=username, password=password)
if login.token > '':
result = login.token
return result
@app.route('/site/<sitename>')
def route_site_site(sitename):
log(request)
if logged_in():
s = Site(sitename=sitename)
context = s.data
context["loginout"] = login_logout(request)
return render_template('site.html', context=context)
else:
return redirect('/login')
@app.route('/site-plot/<site>/<days>')
def route_site_plot(site, days):
log(request)
if logged_in():
sess_id = session.get('_id')
filename = site + '.png'
_plot_folder = os.path.join(os.path.abspath('.'), 'plot', sess_id)
if not os.path.exists(_plot_folder):
os.makedirs(_plot_folder)
plot_file_path = os.path.join(_plot_folder, filename)
plot_route = '/plot/' + sess_id + '/' + filename
print(plot_file_path)
Plotter(site=site, days=days, filename=plot_file_path)
return plot_route, 200
return '', 401
@app.route('/plot/<folder>/<file>')
def route_plot_folder_file(folder, file):
log(request)
return send_from_directory(os.path.join(app.root_path, 'plot', folder), file)
def findmrr(name, mrr):
for m in mrr:
if name.lower() == m['site'].lower():
return m
return None
def calc_age(record) -> str:
if record is None:
result = ''
else:
current_time = arrow.utcnow().timestamp
age = current_time - record['t0']
if age < 120:
result = '0'
elif age < 240:
result = '1'
elif age < 360:
result = '2'
elif age < 480:
result = '3'
else:
result = '4'
result = 'age' + result
return result
@app.route('/favicon.ico')
def favicon():
log(request)
return send_from_directory(os.path.join(app.root_path, 'static'), 'favicon.ico')
def log(req):
import arrow
now_string = arrow.now().format("YYYY/MM/DD-HH:mm:ss")
obj = {
'stamp': now_string,
'url': req.path,
'ip': req.remote_addr,
'agent': req.user_agent,
}
new_file = LogFile(app_name='abbui').full_path
current_file = app.logger.handlers[0].baseFilename
if current_file != new_file:
handler = app.logger.handlers[0]
app.logger.removeHandler(hdlr=handler)
handler = logging.FileHandler(filename=new_file)
app.logger.addHandler(handler)
logger.info('%(ip)s %(stamp)s %(url)s %(agent)s' % obj)
return
#
# check session, and see if user is logged in.
# if Logged In, then return "logout" with correct url.
# if not, then return "login" and respective url.
#
def login_logout(req: request):
if session.get('logged_in') == 'yes':
result = {'url': '/logout', 'label': 'Logout'}
else:
result = {'url': '/login', 'label': 'Login'}
return result
if __name__ == '__main__':
app.run()