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DEBUG = 0
EXTERNAL_IP_URL = "https://ipv4.wtfismyip.com/text"
TYPE_INFO = 0
TYPE_WARNING = 1
TYPE_ERROR = 2
TYPE_DEBUG = 3
BASH_YLW_TEXT = '\033[33m'
BASH_RED_TEXT = '\033[31m'
BASH_RESET_TEXT = '\033[0m'
#MY_API_KEY = "AAAAAAAAAAAAAAAA"
#Generates random UUID
def genUUID():
return str(uuid.uuid4())
#Message logging function
#TODO: log to file
def msgLog(string,type = TYPE_INFO):
time = str(datetime.datetime.now())
if(type == TYPE_ERROR):
print "[" + time + "]: " + BASH_RED_TEXT + "ERROR: " + string + BASH_RESET_TEXT
elif(type == TYPE_WARNING):
print "[" + time + "]: " + BASH_YLW_TEXT + "WARNING: " + string + BASH_RESET_TEXT
elif(type == TYPE_INFO):
print "[" + time + "]: " + "INFO: " + string
elif(type == TYPE_DEBUG):
if(DEBUG):
print "[" + time + "]: " + "DEBUG: " + string
else:
print string
#External IP fetcher, expects plain text response
def fetchIP():
text = urllib2.urlopen(EXTERNAL_IP_URL).read()
return ''.join(text.split()) #remove whitespace
class APIConn:
APIKey = ""
username = ""
def __init__(self):
self.APIKey = MY_API_KEY
def sendCmd(self,cmd,args):
conn = httplib.HTTPSConnection(host="api.dreamhost.com", port=443)
sock = socket.create_connection((conn.host, conn.port), conn.timeout, conn.source_address)
conn.sock = ssl.wrap_socket(sock, conn.key_file, conn.cert_file, ssl_version=ssl.PROTOCOL_TLSv1)
msgLog("Connection with Dreamhost established",TYPE_DEBUG)
apiParams = { "key" : self.APIKey, "unique_id" : genUUID(), "cmd" : cmd, "format" : "json" }
if(len(args) != 0):
apiParams.update(args)
params = urllib.urlencode(apiParams)
msgLog("Sending request with parameters " + params,TYPE_DEBUG)
conn.request("POST","/",params)
answer = conn.getresponse().read()
msgLog("Received answer: " + answer, TYPE_DEBUG)
conn.close()
msgLog("Connection closed", TYPE_DEBUG)
return answer
def listDNS(apiconn):
cmd = "dns-list_records"
args = {}
data = json.loads(apiconn.sendCmd(cmd,args))
records = {}
for i in xrange(len(data["data"])):
if(data["data"][i]["type"] == "A"):
records[str(data["data"][i]["record"])] = str(data["data"][i]["value"])
msgLog("Returned records: " + str(records), TYPE_DEBUG)
return records
def updateDNS(apiconn,record,oldIP,newIP):
removeDNS(apiconn,record,oldIP)
addDNS(apiconn,record,newIP)
msgLog("Successfully updated " + record,TYPE_INFO)
def addDNS(apiconn,record,IP):
cmd = "dns-add_record"
args = {"record" : record , "type" : "A" , "value" : IP}
data = json.loads(apiconn.sendCmd(cmd,args))
if(data["result"] != "success"):
if(data["data"] == "no_such_zone"):
msgLog("Server returned no_such_zone, this is a known issue in the Dreamhost API, go to your Panel and add a A record for your domain with the IP 0.0.0.0, then run " + sys.argv[0] + " --add " + record,TYPE_WARNING)
msgLog("Error while adding record, server returned: " + data["data"],TYPE_ERROR)
return
msgLog("Successfully added " + record,TYPE_INFO)
def removeDNS(apiconn,record,IP):
cmd = "dns-remove_record"
args = {"record" : record , "type" : "A" , "value" : IP}
data = json.loads(apiconn.sendCmd(cmd,args))
if(data["result"] != "success"):
msgLog("Error while removing old record, server returned: " + data["data"],TYPE_ERROR)
return
msgLog("Successfully removed " + record,TYPE_INFO)
if(MY_API_KEY == ""):
msgLog("Missing API Key. Please open the script and add your key in the MY_API_KEY variable",TYPE_ERROR)
exit()
api = APIConn()
parser = argparse.ArgumentParser(description="Update Dreamhost DNS records")
parser.add_argument('--verbose', action='store_true', dest="verbose", help="Enable debugging messages")
parser.add_argument('--version', action='version', version=str("DreamDDNS v" + CURRENT_VERSION))
group = parser.add_mutually_exclusive_group()
group.add_argument("--update", action="store", dest="update", help="Update DNS record RECORD", nargs=1)
group.add_argument("--list", action="store_true", dest="list", help="List current DNS records")
group.add_argument("--add", action="store", dest="add", help="Add DNS record RECORD", nargs=1)
group.add_argument("--remove", action="store", dest="remove", help="Remove DNS record RECORD", nargs=1)
if(len(sys.argv) == 1):
parser.print_help()
argv = parser.parse_args()
if(argv.verbose):
DEBUG = 1
if(argv.list):
records = listDNS(api)
for i in records:
print i + ": " + records[i]
elif(argv.update != None):
targetRecord = argv.update[0]
newIP = fetchIP()
records = listDNS(api)
recordFound = False
for i in records:
if(i == targetRecord):
recordFound = True
if(records[i] == newIP):
msgLog(targetRecord + " is already up-to-date. No further action needed",TYPE_INFO)
else:
msgLog("Updating " + targetRecord + "...",TYPE_INFO)
updateDNS(api,targetRecord,records[i],newIP)
if(recordFound == False):
msgLog("Record not found",TYPE_ERROR)
elif(argv.add != None):
targetRecord = argv.add[0]
newIP = fetchIP()
msgLog("Adding " + targetRecord + "...",TYPE_INFO)
addDNS(api,targetRecord,newIP)
elif(argv.remove != None):
targetRecord = argv.remove[0]
records = listDNS(api)
recordFound = False
for i in records:
if(i == targetRecord):
recordFound = True
msgLog("Removing " + targetRecord + "...",TYPE_INFO)
removeDNS(api,targetRecord,records[i])
if(recordFound == False):
msgLog("Record not found",TYPE_ERROR)
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