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webapp.py
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webapp.py
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__author__ = "Jan Liebenau"
import flask
import secrets
from flask import request, render_template
from flask_wtf.csrf import CSRFProtect
from flask_minify import minify
import json
import threading
import logging
import logging.config
import redis
from pyhamtools import LookupLib, Callinfo
import country_converter as coco
from lib.dxtelnet import who
from lib.adxo import get_adxo_events
from lib.qry import query_manager
from lib.cty import prefix_table
from lib.plot_data_provider import ContinentsBandsProvider, SpotsPerMounthProvider, SpotsTrend, HourBand, WorldDxSpotsLive
import requests
import xmltodict
from lib.qry_builder import query_build, query_build_callsign, query_build_callsing_list
logging.config.fileConfig("cfg/webapp_log_config.ini", disable_existing_loggers=True)
logger = logging.getLogger(__name__)
logger.info("Starting SPIDERWEB")
app = flask.Flask(__name__)
app.config["SECRET_KEY"] = secrets.token_hex(16)
app.config.update(
SESSION_COOKIE_SECURE=True,
SESSION_COOKIE_HTTPONLY=False,
SESSION_COOKIE_SAMESITE="Strict",
)
version_file = open("cfg/version.txt", "r")
app.config["VERSION"] = version_file.read().strip()
version_file.close
logger.info("Version:"+app.config["VERSION"] )
inline_script_nonce = ""
csrf = CSRFProtect(app)
logger.debug(app.config)
if app.config["DEBUG"]:
minify(app=app, html=False, js=False, cssless=False)
else:
minify(app=app, html=True, js=True, cssless=False)
#removing whitespace from jinja2 html rendered
app.jinja_env.trim_blocks = True
app.jinja_env.lstrip_blocks = True
# load config file
with open("cfg/config.json") as json_data_file:
cfg = json.load(json_data_file)
logging.debug("CFG:")
logging.debug(cfg)
# load bands file
with open("cfg/bands.json") as json_bands:
band_frequencies = json.load(json_bands)
# load mode file
with open("cfg/modes.json") as json_modes:
modes_frequencies = json.load(json_modes)
# load continents-cq file
with open("cfg/continents.json") as json_continents:
continents_cq = json.load(json_continents)
# read and set default for enabling cq filter
if cfg.get("enable_cq_filter"):
enable_cq_filter = cfg["enable_cq_filter"].upper()
else:
enable_cq_filter = "N"
# define country table for search info on callsigns
pfxt = prefix_table()
# setting up pyhamtools to look in ClubLog XML and caching in redis
r = redis.Redis()
lookuplib_clublog = LookupLib(lookuptype="clublogxml", apikey="b56e6fb39efdb6da44d022199c9b0a152c658dc1")
lookuplib_clublog.copy_data_in_redis(redis_prefix="CL", redis_instance=r)
lookuplib_redis_clublog = LookupLib(lookuptype="redis", redis_instance=r, redis_prefix="CL")
callinfo_redis_clublog = Callinfo(lookuplib_redis_clublog)
# create a country converter object
country_converter = coco.CountryConverter()
# create object query manager
qm = query_manager()
# the main query to show spots
# it gets url parameter in order to apply the build the right query
# and apply the filter required. It returns a json with the spots
def spotquery(parameters):
try:
if 'callsign' in parameters:
logging.debug('search callsign')
query_string = query_build_callsign(logger,parameters['callsign'] )
else:
logging.debug('search eith other filters')
query_string = query_build(logger,parameters,band_frequencies,modes_frequencies,continents_cq,enable_cq_filter)
logger.debug("Execute query: " + query_string)
qm.qry(query_string)
data = qm.get_data()
row_headers = qm.get_headers()
logger.debug("query done")
logger.debug("Row headers:")
logger.debug(row_headers)
logger.debug("Data:")
logger.debug(data)
if data is None or len(data) == 0:
logger.warning("no data found")
payload = []
for result in data:
# create dictionary from recorset
main_result = dict(zip(row_headers, result))
# Skip to next spot if callsign is not valid
if not callinfo_redis_clublog.is_valid_callsign(main_result["dx"]):
continue
# Country name and ISO2 identifier
country_name = ""
country_name_short = ""
country_iso = ""
# find country in ClubLog XML
country_name = callinfo_redis_clublog.get_country_name(main_result["dx"])
logging.debug('Country Name = ' + country_name)
country_name_short = country_converter.convert(country_name, to='name_short')
logging.debug('Short Country Name = ' + country_name_short)
if country_name_short == 'not found':
# Country converter cannot find a correspondig country
# so it might be a DXCC which is not a country
# Handling some special cases
if country_name == "ASCENSION ISLAND":
country_name_short = "Ascension Island"
country_iso = "sh-ac"
elif country_name == "CANARY ISLANDS":
country_name_short = "Canary Islands"
country_iso = "ic"
elif country_name == "CLIPPERTON ISLAND":
country_name_short = "Clipperton Island"
country_iso = "cp"
elif country_name == "ENGLAND":
country_name_short = "England"
country_iso = "gb-eng"
elif country_name == "REPUBLIC OF KOSOVO":
country_name_short = "Kosovo"
country_iso = "xk"
elif country_name == "NORTHERN IRELAND":
country_name_short = "Northern Ireland"
country_iso = "gb-nir"
elif country_name == "SAINT HELENA":
country_name_short = "St. Helena"
country_iso = "sh-hl"
elif country_name == "SCOTLAND":
country_name_short = "Scotland"
country_iso = "gb-sct"
elif country_name == "TRISTAN DA CUNHA & GOUGH ISLANDS":
country_name_short = "Tristan da Cunha"
country_iso = "sh-ta"
elif country_name == "UNITED NATIONS HQ":
country_name_short = "United Nations"
country_iso = "un"
elif country_name == "WALES":
country_name_short = "Wales"
country_iso = "gb-wls"
else:
# Still not found. Look it up in Country Files
# and get ISO from country.json
search_prefix = pfxt.find(main_result["dx"])
country_name_short = search_prefix["country"]
country_iso = search_prefix["iso"]
else:
country_iso = country_converter.convert(country_name, to='ISO2').lower()
logging.debug('Country ISO = ' + country_iso)
main_result["country"] = country_name_short
main_result["iso"] = country_iso
query_string_references = "SELECT reference_type, reference_name FROM spot_reference WHERE spot_id = " + str(main_result["rowid"])
logger.debug("Execute query: " + query_string_references)
qm.qry(query_string_references)
data_references = qm.get_data()
logger.debug("Data:")
logger.debug(data_references)
main_result["references"] = data_references
payload.append({**main_result})
return payload
except Exception as e:
logger.error(e)
# find adxo events
adxo_events = None
def get_adxo():
global adxo_events
adxo_events = get_adxo_events()
threading.Timer(12 * 3600, get_adxo).start()
get_adxo()
# create data provider for charts
heatmap_cbp = ContinentsBandsProvider(logger, qm, continents_cq, band_frequencies)
bar_graph_spm = SpotsPerMounthProvider(logger, qm)
line_graph_st = SpotsTrend(logger, qm)
bubble_graph_hb = HourBand(logger, qm, band_frequencies)
geo_graph_wdsl = WorldDxSpotsLive(logger, qm, pfxt)
# ROUTINGS
@app.route("/spotlist", methods=["POST"])
@csrf.exempt
def spotlist():
logger.debug(request.json)
response = flask.Response(json.dumps(spotquery(request.json)))
return response
def who_is_connected():
host=cfg["telnet"]["host"]
port=cfg["telnet"]["port"]
user=cfg["telnet"]["user"]
password=cfg["telnet"]["password"]
response = who(host, port, user, password)
logger.debug("list of connected clusters:")
logger.debug(response)
return response
#Calculate nonce token used in inline script and in csp "script-src" header
def get_nonce():
global inline_script_nonce
inline_script_nonce = secrets.token_hex()
return inline_script_nonce
@app.route("/", methods=["GET"])
@app.route("/index.html", methods=["GET"])
def spots():
response = flask.Response(
render_template(
"index.html",
inline_script_nonce=get_nonce(),
mycallsign=cfg["mycallsign"],
telnet=cfg["telnet"]["host"]+":"+cfg["telnet"]["port"],
mail=cfg["mail"],
menu_list=cfg["menu"]["menu_list"],
enable_cq_filter=enable_cq_filter,
timer_interval=cfg["timer"]["interval"],
adxo_events=adxo_events,
continents=continents_cq,
bands=band_frequencies,
dx_calls=get_dx_calls(),
)
)
return response
#Show all dx spot callsigns
def get_dx_calls():
try:
query_string = query_build_callsing_list
qm.qry(query_string)
data = qm.get_data()
row_headers = qm.get_headers()
payload = []
for result in data:
main_result = dict(zip(row_headers, result))
payload.append(main_result["dx"])
logger.debug("last DX Callsigns:")
logger.debug(payload)
return payload
except Exception as e:
return []
@app.route("/service-worker.js", methods=["GET"])
def sw():
return app.send_static_file("pwa/service-worker.js")
@app.route("/offline.html")
def root():
return app.send_static_file("html/offline.html")
@app.route("/world.json")
def world_data():
return app.send_static_file("data/world.json")
@app.route("/plots.html")
def plots():
whoj = who_is_connected()
response = flask.Response(
render_template(
"plots.html",
inline_script_nonce=get_nonce(),
mycallsign=cfg["mycallsign"],
telnet=cfg["telnet"]["host"]+":"+cfg["telnet"]["port"],
mail=cfg["mail"],
menu_list=cfg["menu"]["menu_list"],
who=whoj,
continents=continents_cq,
bands=band_frequencies,
)
)
return response
@app.route("/propagation.html")
def propagation():
#get solar data in XML format and convert to json
solar_data={}
url = "https://www.hamqsl.com/solarxml.php"
try:
logging.debug("connection to: " + url)
req = requests.get(url)
logger.debug(req.content)
solar_data = xmltodict.parse(req.content)
logger.debug(solar_data)
except Exception as e1:
logging.error(e1)
response = flask.Response(
render_template(
"propagation.html",
inline_script_nonce=get_nonce(),
mycallsign=cfg["mycallsign"],
telnet=cfg["telnet"]["host"]+":"+cfg["telnet"]["port"],
mail=cfg["mail"],
menu_list=cfg["menu"]["menu_list"],
solar_data=solar_data
)
)
#response.headers['Cache-Control'] = 'no-cache, no-store, must-revalidate'
return response
@app.route("/cookies.html", methods=["GET"])
def cookies():
response = flask.Response(
render_template(
"cookies.html",
inline_script_nonce=get_nonce(),
mycallsign=cfg["mycallsign"],
telnet=cfg["telnet"]["host"]+":"+cfg["telnet"]["port"],
mail=cfg["mail"],
menu_list=cfg["menu"]["menu_list"],
)
)
return response
@app.route("/privacy.html", methods=["GET"])
def privacy():
response = flask.Response(
render_template(
"privacy.html",
inline_script_nonce=get_nonce(),
mycallsign=cfg["mycallsign"],
telnet=cfg["telnet"]["host"]+":"+cfg["telnet"]["port"],
mail=cfg["mail"],
menu_list=cfg["menu"]["menu_list"],
)
)
return response
@app.route("/sitemap.xml")
def sitemap():
return app.send_static_file("sitemap.xml")
@app.route("/callsign.html", methods=["GET"])
def callsign():
# payload=spotquery()
callsign = request.args.get("c")
response = flask.Response(
render_template(
"callsign.html",
inline_script_nonce=get_nonce(),
mycallsign=cfg["mycallsign"],
telnet=cfg["telnet"]["host"]+":"+cfg["telnet"]["port"],
mail=cfg["mail"],
menu_list=cfg["menu"]["menu_list"],
timer_interval=cfg["timer"]["interval"],
callsign=callsign,
adxo_events=adxo_events,
continents=continents_cq,
bands=band_frequencies,
)
)
return response
# API that search a callsign and return all informations about that
@app.route("/callsign", methods=["GET"])
def find_callsign():
callsign = request.args.get("c")
response = pfxt.find(callsign)
if response is None:
response = flask.Response(status=204)
return response
@app.route("/plot_get_heatmap_data", methods=["POST"])
@csrf.exempt
def get_heatmap_data():
#continent = request.args.get("continent")
continent = request.json['continent']
logger.debug(request.get_json());
response = flask.Response(json.dumps(heatmap_cbp.get_data(continent)))
logger.debug(response)
if response is None:
response = flask.Response(status=204)
return response
@app.route("/plot_get_dx_spots_per_month", methods=["POST"])
@csrf.exempt
def get_dx_spots_per_month():
response = flask.Response(json.dumps(bar_graph_spm.get_data()))
logger.debug(response)
if response is None:
response = flask.Response(status=204)
return response
@app.route("/plot_get_dx_spots_trend", methods=["POST"])
@csrf.exempt
def get_dx_spots_trend():
response = flask.Response(json.dumps(line_graph_st.get_data()))
logger.debug(response)
if response is None:
response = flask.Response(status=204)
return response
@app.route("/plot_get_hour_band", methods=["POST"])
@csrf.exempt
def get_dx_hour_band():
response = flask.Response(json.dumps(bubble_graph_hb.get_data()))
logger.debug(response)
if response is None:
response = flask.Response(status=204)
return response
@app.route("/plot_get_world_dx_spots_live", methods=["POST"])
@csrf.exempt
def get_world_dx_spots_live():
response = flask.Response(json.dumps(geo_graph_wdsl.get_data()))
logger.debug(response)
if response is None:
response = flask.Response(status=204)
return response
@app.route("/csp-reports", methods=['POST'])
@csrf.exempt
def csp_reports():
report_data = request.get_data(as_text=True)
logger.warning("CSP Report:")
logger.warning(report_data)
response=flask.Response(status=204)
return response
@app.after_request
def add_security_headers(resp):
resp.headers["Strict-Transport-Security"] = "max-age=1000"
resp.headers["X-Xss-Protection"] = "1; mode=block"
resp.headers["X-Frame-Options"] = "SAMEORIGIN"
resp.headers["X-Content-Type-Options"] = "nosniff"
resp.headers["Referrer-Policy"] = "strict-origin-when-cross-origin"
#resp.headers["Access-Control-Allow-Origin"]= "sidc.be prop.kc2g.com www.hamqsl.com"
#resp.headers["Cache-Control"] = "public, no-cache"
resp.headers["Cache-Control"] = "public, no-cache, must-revalidate, max-age=900"
resp.headers["Pragma"] = "no-cache"
resp.headers["ETag"] = app.config["VERSION"]
#resp.headers["Report-To"] = '{"group":"csp-endpoint", "max_age":10886400, "endpoints":[{"url":"/csp-reports"}]}'
resp.headers["Content-Security-Policy"] = "\
default-src 'self';\
script-src 'self' cdnjs.cloudflare.com cdn.jsdelivr.net 'nonce-"+inline_script_nonce+"';\
style-src 'self' cdnjs.cloudflare.com cdn.jsdelivr.net;\
object-src 'none';base-uri 'self';\
connect-src 'self' cdn.jsdelivr.net cdnjs.cloudflare.com sidc.be prop.kc2g.com www.hamqsl.com www.cqgma.org cqgma.org corsproxy.io;\
font-src 'self' cdn.jsdelivr.net;\
frame-src 'self';\
frame-ancestors 'none';\
form-action 'none';\
img-src 'self' data: cdnjs.cloudflare.com sidc.be prop.kc2g.com ;\
manifest-src 'self';\
media-src 'self';\
worker-src 'self';\
report-uri /csp-reports;\
"
return resp
#report-to csp-endpoint;\
#script-src 'self' cdnjs.cloudflare.com cdn.jsdelivr.net 'nonce-sedfGFG32xs';\
#script-src 'self' cdnjs.cloudflare.com cdn.jsdelivr.net 'nonce-"+inline_script_nonce+"';\
if __name__ == "__main__":
app.run(host="0.0.0.0")