rophako/rophako/utils.py

78 line
2.3 KiB
Python

# -*- coding: utf-8 -*-
from flask import g, session, request, render_template, flash, redirect, url_for
from functools import wraps
import uuid
import datetime
import time
import re
import importlib
from rophako.log import logger
def login_required(f):
"""Wrapper for pages that require a logged-in user."""
@wraps(f)
def decorated_function(*args, **kwargs):
if not g.info["session"]["login"]:
session["redirect_url"] = request.url
flash("You must be logged in to do that!")
return redirect(url_for("account.login"))
return f(*args, **kwargs)
return decorated_function
def admin_required(f):
"""Wrapper for admin-only pages. Implies login_required."""
@wraps(f)
def decorated_function(*args, **kwargs):
if not g.info["session"]["login"]:
# Not even logged in?
session["redirect_url"] = request.url
flash("You must be logged in to do that!")
return redirect(url_for("account.login"))
if g.info["session"]["role"] != "admin":
logger.warning("User tried to access an Admin page, but wasn't allowed!")
return redirect(url_for("index"))
return f(*args, **kwargs)
return decorated_function
def template(name, **kwargs):
"""Render a template to the browser."""
html = render_template(name, **kwargs)
# Get the elapsed time for the request.
time_elapsed = "%.03f" % (time.time() - g.info["time"])
html = re.sub(r'\%time_elapsed\%', time_elapsed, html)
return html
def generate_csrf_token():
"""Generator for CSRF tokens."""
if "_csrf" not in session:
session["_csrf"] = str(uuid.uuid4())
return session["_csrf"]
def include(endpoint, *args, **kwargs):
"""Include another sub-page inside a template."""
# The 'endpoint' should be in the format 'module.function', i.e. 'blog.index'.
module, function = endpoint.split(".")
# Dynamically import the module and call its function.
m = importlib.import_module("rophako.modules.{}".format(module))
html = getattr(m, function)(*args, **kwargs)
return html
def pretty_time(time_format, unix):
"""Pretty-print a time stamp."""
date = datetime.datetime.fromtimestamp(unix)
return date.strftime(time_format)