rasolar/pyweb.py

278 lines
8.9 KiB
Python
Executable File

#!/usr/bin/env python3
from bottle import get,post,request,Bottle,run,template
import threading,time,json,zlib,gnupg,socket,psutil,os,sys,requests,uuid
from queue import Queue
payload_haus=["wasser","gas","kwh_haus","kwh_herd"]
payload_kfz=["km","volumen","preis"]
macadress=str(hex(uuid.getnode()))[2:-1]
pathname = os.path.dirname(sys.argv[0])
abspath=os.path.abspath(pathname)
configfile=abspath+"/config.json"
try:
cf=open(configfile,"r")
except:
cf=open(configfile+".template","r")
log_conf=json.load(cf)
cf.close()
sensors={
"bme280":{"enable":0,"script":"log_bme280.py","running":0},
"tristar":{"enable":0,"script":"log_tristar.py","running":0},
"vedirect":{"enable":0,"script":"log_vedirect.py","running":0},
"mcp9808": {"enable":0,"script":"log_mcp9808.py","running":0},
"tsl2591":{"enable":0,"script":"log_tsl2591.py","running":0},
"veml6070":{"enable":0,"script":"log_veml6070.py","running":0},
"w1therm":{"enable":0,"script":"log_w1.py","running":0},
"ads1x15":{"enable":0,"script":"log_ads1x15.py","running":0}
}
parameter={"device":socket.gethostname(),"allowed_ip":{"127.0.0.1":"25A4CF79414F10FD"},"gpg_keyid":"25A4CF79414F10FD","server_transfer_wait":2,"server_keyid":"25A4CF79414F10FD"}
for n in parameter:
if n in log_conf:
parameter[n]=log_conf[n]
for sns in sensors:
if sns in log_conf:
if 'enable' in log_conf[sns]:
if log_conf[sns]['enable'] == 1:
sensors[sns]['enable']=1
if "sqlserver" in log_conf:
hostname="localhost"
if "host" in log_conf['sqlserver']:
hostname=log_conf['sqlserver']['host']
port=8081
# if "port" in log_conf['sqlserver']:
# port=int(log_conf['sqlserver']['port'])
gpg=gnupg.GPG('/usr/bin/gpg')
try:
gpgkey=gpg.list_keys(keys=parameter['gpg_keyid'])[0]
except:
gpgkey=[]
try:
servergpgkey=gpg.list_keys(keys=parameter['server_keyid'])[0]
except:
servergpgkey=[]
measdata={}
count_tickets=0
last_ticket_time=0
_HASH="hash"
_SIGNEDGPG="signed_gpg"
_PAYLOAD="payload"
_MEASURES="measures"
_BEGINSIGNATURE="-----BEGIN PGP SIGNATURE-----"
_BEGINMESSAGE="-----BEGIN PGP SIGNED MESSAGE-----"
_BEGINHASH="Hash:"
def sql_insert(q):
count_tickets=0
measdata={}
server_last_transmit=0
while True:
if q.empty():
time.sleep(0.1)
# print("ping"+str(time.time()))
if (time.time()-server_last_transmit)>parameter['server_transfer_wait']:
if len(measdata)==0:
server_last_transmit=time.time()-parameter['server_transfer_wait']/2
else:
json_out={"data":measdata}
if ('fingerprint' in servergpgkey) and ('fingerprint' in gpgkey):
json_out={"encrypted_data":gpg.encrypt(json.dumps(measdata),servergpgkey['fingerprint'],sign=gpgkey['fingerprint']).data.decode("utf-8")}
if ('fingerprint' not in servergpgkey) and ('fingerprint' in gpgkey):
json_out={"signed_data":gpg.sign(json.dumps(measdata),keyid=gpgkey['keyid']).data.decode("utf-8")}
print("http://"+hostname+":"+str(port)+"/data/"+gpgkey['keyid'])
try:
_r=requests.post("http://"+hostname+":"+str(port)+"/data/"+gpgkey['keyid'],json=json.dumps(json_out))
except:
_r={"status_code":404}
print("could not send to server")
# print(json.dumps(json_out))
server_last_transmit=time.time()-parameter['server_transfer_wait']/2
else:
if _r.status_code==200:
measdata={}
server_last_transmit=time.time()
print(str(count_tickets)+" tickets send")
count_tickets=0
else:
print("could not send to server")
print(_r.status_code)
server_last_transmit=time.time()-parameter['server_transfer_wait']/2
else:
try:
indata=q.get()
if indata is not None:
q.task_done()
except Exception as e:
print("Error during queuing")
print(e)
else:
count_tickets=count_tickets+1
if indata['hash'] in measdata:
for i in indata['payload']['measures']:
measdata[indata['hash']]['measures'][i]=indata['payload']['measures'][i]
else:
measdata[indata['hash']]=indata['payload']
app=Bottle()
@app.get('/')
def approot():
sensor_list=[]
for p in psutil.process_iter():
if p.name() == 'python3':
sensor_list.append(p.cmdline()[1].split('/')[-1])
for sns in sensors:
print(sns)
if sensors[sns]['enable']==1:
print(sensors[sns]['script'])
sensors[sns]['running']= sensors[sns]['script'] in sensor_list
return template('main.tpl',server=socket.gethostname(),cpupercent=psutil.cpu_percent(),countticket=count_tickets,tickettime=last_ticket_time,measdata=measdata,sensors=sensors)
@app.post('/')
def submit_root():
sensor_start=request.forms.get('sensor')
if sensor_start in sensors:
sensor_script=abspath+'/'+sensors[sensor_start]['script']
try:
stored_timestamps=os.path.getsize(sensor_script)
except:
print("start script does not exist")
else:
os.spawnl(os.P_NOWAIT,sensor_script,' ')
@app.post('/data/<hash_id:int>')
def dataimport(hash_id):
# print(hash_id)
timestart=time.time()
# check if request comes from allowed ip
if request.remote_addr in parameter['allowed_ip']:
# check, if json is transmitted
try:
json_in=json.loads(request.json)
# print(json_in)
except:
print("no json")
else:
if _HASH in json_in:
if int(json_in[_HASH]) == hash_id:
bcorrect=False
if _PAYLOAD in json_in:
if _MEASURES in json_in[_PAYLOAD]:
print("unsigned "+str(time.time()-timestart))
q.put(json_in,block=False)
bcorrect=True
if _SIGNEDGPG in json_in:
# check if signature of data is correct and key is allowed for ip
vgpg=gpg.verify(json_in[_SIGNEDGPG])
print(time.time()-timestart)
if vgpg.valid and vgpg.key_id in parameter['allowed_ip'][request.remote_addr]:
signed_in=json_in[_SIGNEDGPG].split("\n")
signed_in[signed_in.index(_BEGINSIGNATURE):]=""
del signed_in[signed_in.index(_BEGINMESSAGE)]
del signed_in[signed_in.index("")]
for h in signed_in:
if _BEGINHASH in h:
del signed_in[signed_in.index(h)]
if len(signed_in)>0:
last_ticket_time=time.time()-timestart
print(last_ticket_time)
q.put(json.loads(signed_in[0]),block=False)
else:
print("malformed signed packet")
print(json_in)
else:
print("could not verify gpg signature")
print(json_in)
else:
print("wrong id")
else:
print("json has no hash field")
print(json_in)
else:
print("not allowed client address")
@app.get('/haus')
def haus():
return template('''
<form action="/haus" method="post">
epoch: <input name="epoch" type="text" value={{td}} /></br>
wasser: <input name="wasser" type="text" /></br>
gas: <input name="gas" type="text" /></br>
Strom: <input name="kwh_haus" type="text" /></br>
Strom Herd: <input name="kwh_herd" type="text" /></br>
<input value="Senden" type="submit" />
</form>
''',td=str(int(1000*time.time())))
@app.post('/haus')
def submit_haus():
indata={}
json_out={}
xhash=macadress+'banana'+str(0)+'hand'
ts=request.forms.get('epoch')
for x in payload_haus:
idstring=macadress+'banana'+str(0)+'hand'+x
xhash=zlib.crc32(idstring.encode("utf-8")) % (1<<32)
json_out[xhash]={"hash":xhash,"signature":"","payload":{"device":"banana","varname":x,"i2c":0,"sensor":"manuell","mac":macadress,"measures":{ts:request.forms.get(x)}}}
q.put({"hash":xhash,"signature":"","payload":{"device":"banana","varname":x,"i2c":0,"sensor":"manuell","mac":macadress,"measures":{ts:request.forms.get(x)}}},block=False)
print(indata)
@app.get('/kfz')
def kfz():
return template('''
<form action="/kfz" method="post">
epoch: <input name="epoch" type="text" value={{td}} /></br>
km-Stand: <input name="km" type="text" /></br>
Volumen: <input name="volumen" type="text" /></br>
Preis: <input name="preis" type="text" /></br>
<input value="Senden" type="submit" />
</form>
''',td=str(int(1000*time.time())))
@app.post('/kfz')
def submit_kfz():
indata={}
json_out={}
xhash=macadress+'banana'+str(0)+'hand'
ts=request.forms.get('epoch')
for x in payload_kfz:
idstring=macadress+'banana'+str(0)+'hand'+x
xhash=zlib.crc32(idstring.encode("utf-8")) % (1<<32)
json_out[xhash]={"hash":xhash,"signature":"","payload":{"device":"banana","varname":x,"i2c":0,"sensor":"manuell","mac":macadress,"measures":{ts:request.forms.get(x)}}}
q.put({"hash":xhash,"signature":"","payload":{"device":"banana","varname":x,"i2c":0,"sensor":"manuell","mac":macadress,"measures":{ts:request.forms.get(x)}}},block=False)
print(json_out)
# q.put(json_out,block=False)
@app.get('/test')
def get_test():
return template('''
<form action="/test" method="post">
<input name="but" value="Senden1" type="submit" /></br>
<input name="but" value="Senden2" type="submit" /></br>
<input name="but" value="Senden3" type="submit" /></br>
</form>
''')
@app.post('/test')
def submit_test():
print(request.forms.get('but'))
q=Queue(maxsize=0)
sql_worker=threading.Thread(target=sql_insert,args=(q,))
sql_worker.setDaemon(True)
sql_worker.start()
run(app,host="",port=8080)