import cgi
import datetime
import configparser
import pymysql
def getDatabase(path = "config.cfg"):
config = configparser.RawConfigParser()
config.read(path)
host = config.get("Database", "host")
user = config.get("Database", "user")
pwd = config.get("Database", "pass")
name = config.get("Database", "name")
conn = pymysql.connect(host, user, pwd, name)
cur = conn.cursor(pymysql.cursors.DictCursor)
return conn, cur
def application(env, re):
if env["REQUEST_METHOD"] == "POST":
args = cgi.parse_qs(env['wsgi.input'].readline().decode(), True)
elif env["REQUEST_METHOD"] == "GET":
args = cgi.parse_qs(env['QUERY_STRING'], True)
else:
re("405 Method Not Allowed", [])
return
if env["PATH_INFO"] in ("/endpoint", "/endpoint.php"):
try:
device = args["device"][0]
except:
re("400 Bad Request", [])
yield "400 Bad Request
".encode()
yield "device is required.".encode()
return
try:
latitude = float(args["lat"][0].replace(",", "."))
longitude = float(args["lon"][0].replace(",", "."))
except Exception:
re("400 Bad Request", [])
yield "400 Bad Request
".encode()
yield "lat and lon are required.".encode()
return
try:
altitude = float(args["alt"][0].replace(",", "."))
except:
altitude = None
try:
timestamp = datetime.datetime.fromtimestamp(float(args["t"][0]) / 1000)
except:
timestamp = datetime.datetime.now()
timestr = timestamp.strftime('%Y-%m-%d %H:%M:%S')
conn, cur = getDatabase()
sql = "INSERT INTO tracker(ts, device, lat, lon, alt) VALUES (%s, %s, %s, %s, %s);"
cur.execute(sql, (timestr, device, str(latitude), str(longitude), str(altitude) if altitude != None else None))
conn.commit()
re("200 OK", [])
yield "OK".encode()
return
if env["PATH_INFO"] in ("/location", "/location.php"):
try:
device = args["device"][0]
except:
re("400 Bad Request", [])
yield "400 Bad Request
".encode()
yield "device is required.".encode()
return
conn, cur = getDatabase()
cur.execute("SELECT * FROM tracker WHERE device = %s ORDER BY ts DESC LIMIT 1;", device)
row = cur.fetchone()
re("200 OK", [["Content-Type", "text/html"]])
yield ("""
Current Location
My location at %s
(last known position where I had a GPS signal, a network connection, and some battery power)
""" % (row["ts"], row["lat"], row["lon"], row["lat"], row["lon"])).encode()
return