A python script to enable users to register on tilde.fun.
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#!/usr/bin/env python3
import configparser, logging, sqlite3, argparse, pwd
import os
import subprocess
# Clear shell
def clear():
os.system('cls' if os.name == 'nt' else 'clear')
# create dictionary out of sqlite results
def dict_factory(cursor, row):
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
return d
# prints command(but doesnt execute them)
# need this for work, just convenience
def debugExec(commands):
print("Commands: {!s} -> Returns 0".format(commands))
return 0
# @TODO hardcoded config?
cwd = os.environ.get('TILDE_CONF')
if cwd is None:
cwd=os.getcwd()+"/applicationsconfig.ini"
else:
if os.path.isfile(cwd) is False:
cwd=os.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 = 'Path to configuration file', required = False)
args = argparser.parse_args()
CONF_FILE = args.config
config = configparser.ConfigParser()
config.read(CONF_FILE)
logging.basicConfig(format="%(asctime)s: %(message)s",
level = int(config['LOG_LEVEL']['log_level'])
)
del(cwd)
REG_FILE = config['DEFAULT']['applications_db']
# Does everything related to applicants, i.e. creating, manipulations...
class applicants():
# User identifier
identifier = "username"
# SQLite DB Path
sourceDB = ""
# another sqlite to batch-recreate users
differentDB = ""
def __init__(self, lident, sourceDB=REG_FILE):
self.identifier = lident
self.sourceDB = sourceDB
self.__connectToDB__("source")
# all results shall be done with dict_factory! Makes everything so much simpler
self.sdbCursor.row_factory = dict_factory
def __del__(self):
self.__closeDB__("source")
def __connectToDB__(self, which):
if which == "source":
try:
self.sdbConnection = sqlite3.connect(self.sourceDB)
self.sdbCursor = self.sdbConnection.cursor()
except sqlite3.Error as e:
logging.exception("Database: Couldn't open database and get cursor: %s" % e)
else:
self.ddbConnection = sqlite3.connect(self.differentDB)
self.ddbCursor = self.ddbConnection.cursor()
def __closeDB__(self, which):
if(which == "source"):
try:
self.sdbConnection.close()
except sqlite3.Error as e:
logging.exception("Couldn't close database! Error: %s" % e) # @TODO: Dump full db with query or just the executed querys to file
else:
self.ddbConnection.close() # @TODO: Evaluate getting rid of ddb(differentDB)?
# get List of all applications(not accepted yet)
def getApplicationsList(self):
query = "SELECT * FROM `applications` WHERE `status` = '0'"
try:
self.sdbCursor.execute(query)
rows = self.sdbCursor.fetchall()
except sqlite3.Error as e:
logging.exception("Database Error: %s" % e)
rows=[]
return rows
def getApprovedApplicantsList(self):
query = "SELECT * From `applications` WHERE `status` = '1'"
try:
self.sdbCursor.execute(query)
rows = self.sdbCursor.fetchall()
except sqlite3.Error as e:
logging.exception("Database Error: %s" % e)
rows=[]
return rows
# edit aproved users
def editApprovedApplicant(self, term, updaterow):
try:
self.sdbCursor.execute(
"UPDATE `applications` SET ? WHERE id=?",
( str(term), )
)
self.sdbConnection.commit()
except sqlite3.Error as e:
logging.exception("Database Error: %s" % e)
# set user to aproved
def setApprovedApplication(self, selectterm):
query = "SELECT `username` FROM `applications` WHERE `username` = `{0!s}`".format(selectterm)
# get applicants data
def getApplicantsData(self, term):
# @TODO: Use shorthand if for the correct query, directly into sqlite
if self.identifier == "id":
try:
self.sdbCursor.execute(
"SELECT * FROM `applications` WHERE id = ?",
( str(term), )
)
except sqlite3.Error as e:
logging.exception("Database Error: %s" % e)
else:
self.sdbCursor.execute(
"SELECT * FROM `applications` WHERE username = ?",
( str(term), )
)
result = self.sdbCursor.fetchone()
return result
# @TODO: migrade just approved users to some new/another sqlitedb
def migrateApprovedData(self, different_db):
pass
# @TODO: delete migrated data
def deleteMigratedDataSet(self, selectterm):
pass
# Applicants whom doesnt got approved should get removed
def removeApplicant(self, term):
if self.identifier == "id":
try:
self.sdbCursor.execute(
"DELETE FROM `applications` WHERE id = ?",
( str(term), )
)
self.sdbConnection.commit()
except sqlite3.Error as e:
logging.exception("Database Error: %s" % e)
else:
self.sdbCursor.execute(
"DELETE FROM `applications` WHERE username = ?",
( str(term), )
)
self.sdbConnection.commit()
#@TODO: Possibility to work without passing users manually
def selectedUser(userid, username = False):
pass
# Print out a list of aprovable users
def printApprovableUsers(self, users):
i=0
for user in users:
print("ID: {0!s}, Status: {0!s}, Name: {0!s}".format(i, user["status"], user["username"]))
i += 1
return i
# Get List of users
def userPrint(self, fetched, userid):
print("ID: {0!s}".format(fetched[int(userid)]["id"]))
print("Username: {0!s}".format(fetched[int(userid)]["username"]))
print("Mail: {0!s}".format(fetched[int(userid)]["email"]))
print("SSH: {0!s}".format(fetched[int(userid)]["pubkey"]))
print("Registrated time: {0!s}".format(fetched[int(userid)]["timestamp"]))
# Approve an applicant. Handles everything related, like create home dir, set flags blabla
def approveApplicant(self, term):
user = self.getApplicantsData(term)
ret = self.__execScript(user)
if ret[0] != 0: # @DEBUG: Change to == 0
print("Something went wrong in the user creation! Exiting without deleting users record in database!")
print("Last executed commands: {0!s}\nreturn code: {1!s}".format(ret[-1][1], ret[-1][0]))
exit(0)
if self.identifier == "id":
try:
self.sdbCursor.execute(
"UPDATE `applications` SET `status`=1 WHERE `id`=?",
( str(term), )
)
self.sdbConnection.commit()
except sqlite3.Error as e:
logging.exception("Database Error: %s" % e)
else:
self.sdbCursor.execute(
"UPDATE `applications` SET `status`=1 WHERE `username`=?"
( str(term), )
)
self.sdbConnection.commit()
# Script execution, handles everything done with the shell/commands themselves
def __execScript(self, user):
# @TODO: omfg just write some wrapper-class/lib... sucks hard!
username=user["username"]
homeDir="/home/"+username+"/"
sshDir=homeDir+".ssh/"
executed=[]
executed.append(["useradd", "-m", username])
rcode = subprocess.call(executed[0])
if rcode != 0:
return [rcode,executed,]
executed.append(["usermod", "--lock", username])
rcode = subprocess.call(executed[1]) #empty pw
if rcode != 0:
return [rcode,executed,]
executed.append(["usermod", "-a", "-G", "tilde", username])
rcode = subprocess.call(executed[2]) # add to usergroup
if rcode != 0:
return [rcode,executed,]
executed.append(["mkdir", sshDir])
try:
# @TODO: use config variable(chmodPerms)
ret = os.mkdir(sshDir, 0o777) #create sshdir
rcode = 0
except OSError as e:
logging.exception(e.strerror)
rcode = e.errno # False, couldn't create.
return [rcode,executed,]
executed.append(["write(sshkey) to", sshDir+"authorized_keys"])
with open(sshDir+"authorized_keys", "w") as f:
f.write(user["pubkey"])
if f.closed != True:
logging.exception("Could'nt write to authorized_keys!")
return [rcode,executed,]
executed.append(["chmod", "-Rv", "700", sshDir])
try:
os.chmod(sshDir+"authorized_keys", 0o700) # directory is already 700
rcode = 0
except OSError as e:
logging.exception(e.strerror)
rcode = e.errno
return [rcode, executed,]
try:
executed.append(["chown", "-Rv", username+":"+username, sshDir])
os.chown(sshDir, pwd.getpwnam(username)[2], pwd.getpwnam(username)[3]) #2=>uid, 3=>gid
executed.append(["chown", "-v", username+":"+username, sshDir+"authorized_keys"])
os.chown(sshDir+"authorized_keys", pwd.getpwnam(username)[2], pwd.getpwnam(username)[3])
rcode = 0
except OSError as e:
logging.exception(e.strerror) # @TODO: maybe append strerror to executed instead of printing it
rcode = e.errno
return [rcode, executed,]
return [rcode,executed,]
"""
{'id': 7, 'username': 'testuser47', 'email': '47test@testmail.com', 'name':
'test Name', 'pubkey': 'ssh-rsa [...]', 'timestamp': '2018-08-22 13:31:16', 'status': 0}
"""
def main():
# how many times the Seperator/Delimiter?
delcount = 40
# The seperator for the menu
Seperator = "="*delcount
Menu = Seperator+"\n\t\t Main-Menu:\n\n" \
"\t 1) list and edit pending users\n"\
"\t 2) list applicants\n"\
"\t 3) edit applicant\n"\
"\t 4) quit\n"+Seperator+"\n"
# Identify by ID
applications = applicants(lident = "id")
while 1 != 0:
print(Menu)
command = input("Please select, what you want to do: \n -> ")
# User shouldnt be able to type something in that isnt a number
if command.isalpha() or command == '':
clear()
print("!!! invalid input, please try again. !!!")
continue
# convert
command=int(command)
if command == 4 or command == "q":
exit(0)
# Edit and list pending users/applicants @TODO Wording: Users or applicants?
elif command == 1:
users = applications.getApplicationsList()
i=applications.printApprovableUsers(users)
if i == 0 :
print("No pending users")
# giving some time to aknowledge that something WRONG happened
input("Continue with Keypress...")
clear()
continue
usersel = 0
UserMax = i
print("Menu:\n r=>return to main")
# Edit Menue
while 1 != 0 or usersel != "r":
i = applications.printApprovableUsers(users)
if usersel == "r":
break # break when user presses r
usersel = input("Which user( ID ) do you want to change? ->")
if len(usersel) > 1 or usersel.isalpha():
usersel = ""
# convert to int if input isnt an r
usersel = int(usersel) if usersel != '' and usersel != 'r' else 0
if usersel > UserMax - 1:
print("User {0!s} doesn't exist!".format(usersel))
continue
# Show the user his chosen user and ask what to do
applications.userPrint(users, usersel)
print("You chosed ID No. {0!s}, what do you like to do?".format(usersel))
chosenUser = usersel
usersel = ""
# Finally down the edit menue!
while usersel != "e":
usersel = input("User: {0!s}\n \t\t(A)ctivate \n\t\t(R)emove \n\t\tR(e)turn\n -> ".format(chosenUser))
if usersel == "A":
applications.approveApplicant(users[chosenUser]['id'])
print("User {0!s} has been successfully approved!".format(users[chosenUser]['username']))
input("waiting for input...")
clear()
usersel="e" # remove for being able to continue editing?
continue
elif usersel == "R":
applications.removeApplicant(users[chosenUser]['id'])
print("User {0!s} successfully deleted!".format(user[chosenUser]['username']))
input("waiting for input...")
clear()
continue
elif usersel == "e":
clear()
continue
elif int(command) == 2:
users = applications.getApprovedApplicantsList()
if users == []:
print("no activate users yet!")
i=0
for user in users:
print("ID: {0!s}, Status: {1!s}, Name: {2!s}".format(user["id"], user["status"], user["username"]))
continue
elif command == str(3):
pass
else:
exit(0)
if __name__ == "__main__":
try:
main()
exit(0)
except KeyboardInterrupt:
pass
#print("Exception occured. View log file for details.")
#logging.exception("Some exception occured")