telstrasms.py

#!/usr/bin/python
import urllib
import urllib2
import json
import datetime
import sys

if len(sys.argv) < 4:
    sys.exit("Usage: telstrasms.py RECIPIENT MESSAGE")

smsrcpt = sys.argv[1]
subject = sys.argv[2]

key="YOURKEYHERE"
secret="YOURSECRETHERE"
url="https://api.telstra.com/v1/oauth/token?client_id="+key+"&client_secret="+secret+"&grant_type=client_credentials&scope=SMS"
now = datetime.datetime.today()
authfile = '/tmp/telstraauth'


f = open(authfile,'r+')
filetoken = f.read()
f.close()
dicttoken = json.loads(filetoken)
authtoken = dicttoken["access_token"]
dtobj = datetime.datetime.strptime(dicttoken["datetime"], '%Y-%m-%d %H:%M:%S.%f')
expires = dtobj + datetime.timedelta(0,int(dicttoken["expires_in"]))
if expires < now:
    print "expired"
    response = urllib2.urlopen(url)
    newtokendict = json.loads(response.read())
    newtokendict["datetime"] = str(now)
    authtoken = newtokendict["access_token"]
    newjsontoken = json.JSONEncoder().encode(newtokendict)
    f = open(authfile,'w')
    print "new token : "+newjsontoken
    f.write(newjsontoken)
    f.close()
else:
    print "not expired"

smsdata = { 'to':smsrcpt, 'body':subject }
headers = { 'Content-type':'application/json','Authorization':'Bearer '+str(authtoken) }
url = "https://api.telstra.com/v1/sms/messages"

req = urllib2.Request(url,headers=headers,data=json.dumps(smsdata))
msg = urllib2.urlopen(req)