Edit: Did delete, but here it is back!

It can now create users on disk, delete from disk(by changing the
status), change everything that really matters, except the username yet

private/editUsers.py

@@ -0,0 +1,138 @@
+import configparser
+import lib.uis.config_ui  # only follow -c flag
+import lib.validator
+import lib.sqlitedb
+import lib.System
+import lib.UserExceptions
+import sqlite3
+
+lib.uis.config_ui.argparser.description += " - Edit Tilde Users"
+ArgParser = lib.uis.config_ui.argparser
+ArgParser.add_argument('--user', type=str,
+                       help='Tilde users name to edit', required=True)
+
+Mutually = ArgParser.add_mutually_exclusive_group()
+Mutually.add_argument('-r', '--remove', default=False, action="store_true",
+                      help='Remove an approved/unapproved User from the system. Effectively purges him.',
+                      required=False)
+Mutually.add_argument('-a', '--approve', default=False, action="store_true",
+                      help="Approve the given user", required=False)
+Mutually.add_argument("--verify", default=True, action="store_false",
+                      help="Turns off value checks",
+                      required=False)
+
+ArgParser.add_argument('--sshpubkey', type=str, default=None,
+                       help="Stores the new given SSH-Key in given user", required=False)
+ArgParser.add_argument('--name', type=str, default=None,
+                       help="Sets the stored name of the given user")
+ArgParser.add_argument('--username', type=str, default=None,
+                       help="Rename given User")
+ArgParser.add_argument('--email', type=str, default=None,
+                       help="Set new email address for given user")
+ArgParser.add_argument('--status', type=int, default=None,
+                       help="Set status of given user")
+args = ArgParser.parse_args()
+config = configparser.ConfigParser()
+config.read(args.config)
+
+
+if __name__ == "__main__":
+    try:
+        db = config['DEFAULT']['applications_db']
+        if not args.sshpubkey and not args.name and not args.username and not args.email and args.status is None \
+                and not args.approve and not args.remove:
+            print(f"Well, SOMETHING must be done with {args.user} ;-)")
+            exit(1)
+        if not lib.validator.checkUserInDB(args.user, db):
+            print(f"User {args.user} doesn't exist in the database.")
+            exit(1)
+        DB = lib.sqlitedb.SQLitedb(db)
+        Sysctl = lib.System.System()
+        if not DB:
+            print("Couldn't establish connection to database")
+            exit(1)
+        if args.sshpubkey:
+            if not lib.validator.checkSSHKey(args.sshpubkey):
+                print(f"Pubkey {args.sshpubkey} isn't valid.")
+                exit(1)
+            try:
+                DB.safequery("UPDATE `applications` SET `pubkey`=? WHERE `username`=?",
+                             tuple([args.sshpubkey, args.user]))
+            except sqlite3.Error as e:
+                print(f"Something unexpected happened! {e}")
+                exit(1)
+            fetch = DB.safequery("SELECT * FROM `applications` WHERE `username` = ? ", tuple([args.user]))
+            if int(fetch[0]["status"]) == 1:
+                try:
+                    Sysctl.make_ssh_usable(args.user, args.sshpubkey)
+                except lib.UserExceptions.ModifyFilesystem as e:
+                    print(f"One action failed during writing the ssh key back to the authorization file. {e}")
+            print(f"{args.user} updated successfully.")
+
+        if args.name:
+            if not lib.validator.checkName(args.name):
+                print(f"{args.name} is not a valid Name.")
+                exit(1)
+            try:
+                DB.safequery("UPDATE `applications` SET `name` =? WHERE `username` =?", tuple([args.name, args.user]))
+            except sqlite3.Error as e:
+                print(f"Couldn't write {args.name} to database: {e}")
+        if args.email:
+            if not lib.validator.checkEmail(args.email):
+                print(f"{args.email} is not a valid Mail address!")
+                exit(1)
+            try:
+                DB.safequery("UPDATE `applications` SET `email` =? WHERE `username` =?", tuple([args.email]))
+            except sqlite3.Error as e:
+                print(f"Couldn't write {args.email} to the database. {e}")
+        if args.status is not None:
+            if args.status != 0 and args.status != 1:
+                print("Only 0 and 1 are valid status, where 1 is activated and 0 is unapproved.")
+                exit(0)
+            CurrentUser = DB.safequery("SELECT * FROM `applications` WHERE `username`=?", tuple([args.user]))[0]
+            # just takes first result out of the dict
+            if args.status == int(CurrentUser["status"]):
+                print(f"Old and new Status matches, didn't change")
+            if args.status == 0 and int(CurrentUser["status"]) == 1:
+                try:
+                    Sysctl.removeUser(args.user)
+                except lib.UserExceptions.UnknownReturnCode as e:
+                    print(f"Couldn't remove {args.user} from the system, unknown return code: {e}")
+                    exit(1)
+                try:
+                    DB.safequery("UPDATE `applications` SET `status` =? WHERE `id`=?",
+                                 tuple([args.status, CurrentUser["id"]]))
+                except sqlite3.Error as e:
+                    print(f"Did purge from disk but couldnt update database for {args.user}")
+                    exit(1)
+            if args.status == 1 and int(CurrentUser["status"]) == 0:
+                try:
+                    DB.safequery("UPDATE `applications` SET `status`=? WHERE `username`=?",
+                                 tuple([args.status, args.user]))
+                except sqlite3.Error as e:
+                    print(f"Couldn't update Users status in database")
+                    exit(1)
+                try:
+                    Sysctl.register(args.user)
+                    Sysctl.lock_user_pw(args.user)
+                    Sysctl.add_to_usergroup(args.user)
+                    Sysctl.make_ssh_usable(args.user, CurrentUser["pubkey"])
+                except lib.UserExceptions.UserExistsAlready as UEA:
+                    print(f"Somehow the user exists already on the system! {UEA}")
+                    exit(1)
+                except lib.UserExceptions.UnknownReturnCode as URC:
+                    print(f"Unknown return code: {URC}")
+                    exit(1)
+                except lib.UserExceptions.SSHDirUncreatable as SDU:
+                    print(f"Couldnt create ssh directory for {args.user}, exception: {SDU}")
+                    exit(1)
+                except lib.UserExceptions.ModifyFilesystem as MFS:
+                    pass
+            # @TODO: Get Users current status and purge him from the disk if neccessary
+            # @TODO: When the User had 0 and got 1 he should be created as well
+            print(f"Success! {args.user}")
+        if args.username:
+            print(f"{args.username}")
+        exit(0)
+    except KeyboardInterrupt as e:
+        pass