contentdb/app/views/utils.py
2018-03-26 10:52:25 +01:00

32 lines
986 B
Python

from flask import request, flash
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