A Python content management system designed for kirsle.net featuring a blog, comments and photo albums. https://rophako.kirsle.net/
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# -*- coding: utf-8 -*-
from __future__ import unicode_literals, absolute_import
"""User account models."""
import bcrypt
import time
from rophako.settings import Config
import rophako.jsondb as JsonDB
import rophako.model.photo as Photo
from rophako.log import logger
def create(username, password, name=None, uid=None, role="user"):
"""Create a new user account.
Returns the user ID number assigned to this user."""
# Name defaults to username.
if name is None:
name = username
username = username.lower()
# Provided with a user ID?
if uid is not None:
# See if it's available.
if exists(uid=uid):
logger.warning("Wanted to use UID {} for user {} but it wasn't available.".format(uid, username))
uid = None
# Need to generate a UID?
if uid is None:
uid = get_next_uid()
uid = int(uid)
# Username musn't exist.
if exists(username):
# The front-end shouldn't let this happen.
raise Exception("Can't create username {}: already exists!".format(username))
# Crypt their password.
hashedpass = hash_password(password)
logger.info("Create user {} with username {}".format(uid, username))
# Create the user file.
JsonDB.commit("users/by-id/{}".format(uid), dict(
# And their username to ID map.
JsonDB.commit("users/by-name/{}".format(username), dict(
return uid
def update_user(uid, data):
"""Update the user's data."""
if not exists(uid=uid):
raise Exception("Can't update user {}: doesn't exist!".format(uid))
db = get_user(uid=uid)
# Change of username?
if "username" in data and len(data["username"]) and data["username"] != db["username"]:
JsonDB.commit("users/by-name/{}".format(data["username"]), dict(
JsonDB.commit("users/by-id/{}".format(uid), db)
def delete_user(uid):
"""Delete a user account."""
if not exists(uid=uid):
db = get_user(uid=uid)
username = db["username"]
# Mark the account deleted.
update_user(uid, dict(
# Delete their username.
def list_users():
"""Get a sorted list of all users."""
uids = JsonDB.list_docs("users/by-id")
users = list()
for uid in sorted(map(lambda x: int(x), uids)):
db = get_user(uid=uid)
if db["role"] == "deleted": continue
return users
def get_uid(username):
"""Turn a username into a user ID."""
db = JsonDB.get("users/by-name/{}".format(username))
if db:
return int(db["uid"])
return None
def get_user(uid=None, username=None):
"""Get a user's DB file, or None if not found."""
if username:
uid = get_uid(username)
logger.debug("get_user: resolved username {} to UID {}".format(username, uid))
return JsonDB.get("users/by-id/{}".format(uid))
def get_picture(uid):
"""Get the chosen profile photo for the user."""
data = get_user(uid=uid)
pic = data["picture"]
if len(pic):
photo = Photo.get_photo(pic)
if photo:
return photo["avatar"]
return None
def exists(uid=None, username=None):
"""Query whether a user ID or name exists."""
if uid:
return JsonDB.exists("users/by-id/{}".format(uid))
elif username:
return JsonDB.exists("users/by-name/{}".format(username.lower()))
def hash_password(password):
return bcrypt.hashpw(str(password).encode("utf-8"), bcrypt.gensalt(int(Config.security.bcrypt_iterations))).decode("utf-8")
def check_auth(username, password):
"""Check the authentication credentials for the username and password.
Returns a boolean true or false. On error, an error is logged."""
# Check if the username exists.
if not exists(username=username):
logger.error("User authentication failed: username {} not found!".format(username))
return False
# Get the user's file.
db = get_user(username=username)
# Check the password.
test = bcrypt.hashpw(str(password).encode("utf-8"), str(db["password"]).encode("utf-8")).decode("utf-8")
return test == db["password"]
def get_next_uid():
"""Get the next available user ID."""
uid = 1
while exists(uid=uid):
uid += 1
return uid