#!/usr/bin/env python3
import os
import sys
import multipart
from urllib import parse
try: # Windows needs stdio set for binary mode.
import msvcrt
msvcrt.setmode(0, os.O_BINARY) # stdin = 0
msvcrt.setmode(1, os.O_BINARY) # stdout = 1
except ImportError:
pass
def get_request_params():
oforms = {}
if "REQUEST_URI" in os.environ:
qforms = parse.parse_qs(parse.urlsplit(os.environ["REQUEST_URI"]).query)
for name, values in qforms.items():
oforms[name] = values[0]
myenv = os.environ.copy()
myenv['wsgi.input'] = sys.stdin.buffer
mforms, ofiles = multipart.parse_form_data(environ=myenv)
for name, item in mforms.items():
oforms[name] = item
return oforms, ofiles
forms, files = get_request_params()
status = '200 Ok'
# Test if the file was uploaded
if 'file' in files:
fitem = files['file']
# strip leading path from file name to avoid directory traversal attacks
fname = fitem.filename
fpath = f'{os.environ["DOCUMENT_ROOT"]}/files/{fname}'
fitem.save_as(fpath)
message = "The file %s was uploaded successfully" % (fname)
print("Status: 201 Created")
print("Content-Type: text/html")
print("Location: %s://%s/files/%s" % (os.environ["REQUEST_SCHEME"], os.environ["HTTP_HOST"], fname))
print("")
print("%s
" % (message))
elif 'remove' in forms:
remove = forms['remove']
try:
fname = os.path.basename(remove)
os.remove('./files/' + fname)
message = 'The file "' + fname + '" was removed successfully'
except OSError as e:
message = 'Error removing ' + fname + ': ' + e.strerror
status = '404 File Not Found'
print("Status: %s" % (status))
print("""
Content-Type: text/html
%s
""" % (message))
else:
message = '''\
Upload File
'''
print("Status: %s" % (status))
print("""\
Content-Type: text/html
%s
""" % (message))