A python script to enable users to register on tilde.fun.
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#!/usr/bin/env python3
import re, configparser, logging, sqlite3, argparse
from os import getcwd
from os import environ
from os import path as ospath
import re, configparser, logging, sqlite3
try:
cwd = environ.get('TILDE_CONF')
if cwd is None:
cwd=getcwd()+"/applicationsconfig.ini"
else:
if ospath.isfile(cwd) is False:
cwd=getcwd()+"/applicationsconfig.ini"
# cwd is now either cwd/applicationsconfig or $TILDE_CONF
argparser = argparse.ArgumentParser(description='interactive registration formular for tilde platforms')
argparser.add_argument('-c', '--config', default=cwd, type=str, help='Config file', required=False)
args = argparser.parse_args()
CONF_FILE=args.config
except:
logging.exception("Argumentparser-Exception: ")
try:
config = configparser.ConfigParser()
config.read(CONF_FILE)
logging.basicConfig(format="%(asctime)s: %(message)s", filename=config['DEFAULT']['log_file'],level=int(config['LOG_LEVEL']['log_level']))
del(cwd)
REG_FILE=config['DEFAULT']['applications_db']
except:
logging.exception("logging or configparser-Exception: ")
VALID_SSH=False
VALID_USER=False
def __createTable(cursor, connection):
try:
cursor.execute(
"CREATE TABLE IF NOT EXISTS applications(" \
"id INTEGER PRIMARY KEY AUTOINCREMENT,"\
"username TEXT NOT NULL, email TEXT NOT NULL,"\
"name TEXT NOT NULL, pubkey TEXT NOT NULL,"\
"timestamp DATETIME DEFAULT CURRENT_TIMESTAMP, status INTEGER NOT NULL DEFAULT 0);")
connection.commit()
except:
logging.exception("Couldn't create needed SQLite Table!")
def addtotable(cursor, connection, username, name, email, pubkey):
try:
cursor.execute("INSERT INTO 'applications'(username, name, email, pubkey)VALUES("\
"?,?,?,?)", [username, name, email, pubkey])
connection.commit()
except:
logging.exception("Couldn't insert user into the db")
# check if sqlite file does exists or already and has our structure
def __checkSQLite(cursor, connection):
#SELECT name FROM sqlite_master WHERE type='table' AND name='{table_name}';
cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='applications'")
res=cursor.fetchall()
if res== []:
try:
__createTable(cursor, connection)
except:
logging.exception("couldn't create table on given database. Exception: ")
else:
pass
return True
def check_username(value):
global VALID_USER
if len(value) < 3:
VALID_USER=False
return False
try:
from pwd import getpwnam
getpwnam(value)
VALID_USER=False
except:
VALID_USER=True
return True
return False
# taken from https://github.com/hashbang/provisor/blob/master/provisor/utils.py, all belongs to them! ;)
def validate_pubkey(value):
global VALID_SSH
import base64
if len(value) > 8192 or len(value) < 80:
VALID_SSH=False
return False
value = value.replace("\"", "").replace("'", "").replace("\\\"", "")
value = value.split(' ')
types = [ 'ecdsa-sha2-nistp256', 'ecdsa-sha2-nistp384',
'ecdsa-sha2-nistp521', 'ssh-rsa', 'ssh-dss', 'ssh-ed25519' ]
if value[0] not in types:
VALID_SSH=False
return False
try:
base64.decodebytes(bytes(value[1], "utf-8"))
except TypeError:
VALID_SSH=False
return False
VALID_SSH=True
return True
def main():
print(" ▗▀▖ \n▗▖▖ ▐ ▌ ▌▛▀▖\n▘▝▗▖▜▀ ▌ ▌▌ ▌\n ▝▘▐ ▝▀▘▘ ▘")
username = input("Welcome to the ~.fun user application form!\n\nWhat is your desired username? [a-z0-9] allowed:\n")
while (not re.match("[a-z]+[a-z0-9]", username)) or (not check_username(username)):
username = input("Invalid Username, maybe it exists already?\nValid characters are only a-z and 0-9.\nMake sure your username starts with a character and not a number." \
"\nWhat is your desired username? [a-z0-9] allowed:\n")
fullname = input("\nPlease enter your full name:\n")
while not re.match("\w+\s*\w*", username):
fullname = input("\nThat is not your real name.\nPlease enter your full name:\n")
email = input("\nPlease enter your email address:\n")
while not re.match("(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)", email):
email = input("\nThat is not a valid mail address.\nPlease enter your email address:\n")
pubkey = input("\nPlease paste your ssh public key:\n")
while (not re.match("ssh-(\w)+\s(\w+)(\s*)([a-zA-Z0-9@]*)", pubkey)) or (not validate_pubkey(pubkey)):
pubkey = input("\nPlease enter a valid public key. You can show it with ssh-keygen -f .ssh/id_rsa -y on your local machine.\nPlease enter your pubkey:\n")
validate_pubkey(pubkey)
print("\nUsername: {0!s}".format(username))
print("Full Name: {0!s}".format(fullname))
print("Email: {0!s}".format(email))
print("Public {0!s}".format(pubkey))
validation = input("\nIs this information correct? [y/N]")
while not re.match("[yYnN\n]", validation):
print("Please answer y for yes or n for no")
validation = input("Is this information correct? [y/N]")
if re.match("[yY]", validation):
print("Thank you for your application! We'll get in touch shortly. 🐧")
try:
connection=sqlite3.connect(REG_FILE)
cursor=connection.cursor()
__checkSQLite(cursor, connection)
addtotable(cursor, connection, username, fullname, email, pubkey)
connection.commit()
connection.close()
except:
logging.exception("Database {0!s} couldnt be accessed or created. Exception:".format(config['DEFAULT']['applications_db']))
connection.close()
exit(1)
pass
return 0
if __name__ == "__main__":
try:
main()
exit(0)
except KeyboardInterrupt:
pass