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from flask import request, flash, abort
from flask_user import *
from flask_login import login_user, logout_user
from app.models import *
from app import app
import random, string, os
def getExtension(filename):
return filename.rsplit(".", 1)[1].lower() if "." in filename else None
def isFilenameAllowed(filename, exts):
return getExtension(filename) in exts
def shouldReturnJson():
return "application/json" in request.accept_mimetypes and \
not "text/html" in request.accept_mimetypes
def randomString(n):
return ''.join(random.choice(string.ascii_lowercase + \
string.ascii_uppercase + string.digits) for _ in range(n))
def doFileUpload(file, allowedExtensions, fileTypeName):
if not file or file is None or file.filename == "":
flash("No selected file", "error")
return None
ext = getExtension(file.filename)
if ext is None or not ext in allowedExtensions:
flash("Please upload load " + fileTypeName, "error")
return None
filename = randomString(10) + "." + ext
file.save(os.path.join(app.config["UPLOAD_FOLDER"], filename))
return "/uploads/" + filename
def _do_login_user(user, remember_me=False):
def _call_or_get(v):
if callable(v):
return v()
else:
return v
# User must have been authenticated
if not user:
return False
user.active = True
if not user.rank.atLeast(UserRank.NEW_MEMBER):
user.rank = UserRank.NEW_MEMBER
db.session.commit()
# Check if user account has been disabled
if not _call_or_get(user.is_active):
flash("Your account has not been enabled.", "error")
return False
# Check if user has a confirmed email address
user_manager = current_app.user_manager
if user_manager.enable_email and user_manager.enable_confirm_email \
and not current_app.user_manager.enable_login_without_confirm_email \
and not user.has_confirmed_email():
url = url_for("user.resend_confirm_email")
flash("Your email address has not yet been confirmed", "error")
return False
# Use Flask-Login to sign in user
login_user(user, remember=remember_me)
signals.user_logged_in.send(current_app._get_current_object(), user=user)
flash("You have signed in successfully.", "success")
return True
def loginUser(user):
user_mixin = None
if user_manager.enable_username:
user_mixin = user_manager.find_user_by_username(user.username)
return _do_login_user(user_mixin, False)
def rank_required(rank):
def decorator(f):
@wraps(f)
def decorated_function(*args, **kwargs):
if not current_user.rank.atLeast(rank):
abort(403)
return f(*args, **kwargs)
return decorated_function
return decorator
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