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SimpleWsgiServer.py
170 lines (156 loc) · 5.45 KB
/
SimpleWsgiServer.py
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# -*- coding: utf-8 -*-
import argparse
import cgi
import os
import shutil
from socketserver import ThreadingMixIn
from urllib.parse import parse_qsl
from wsgiref.simple_server import make_server, WSGIServer
from zipstream import ZipFile
class ThreadedWSGIServer(ThreadingMixIn, WSGIServer):
daemon_threads = True
class Application:
def __init__(self, path):
self.path = os.path.abspath(path)
def convert_path(self, path):
if path.startswith('/'):
path = path[1:]
path = os.path.normpath(path)
if path != '.':
path = os.path.join(self.path, path)
else:
path = self.path
return path
def save_files(self, path, files):
for fs in files:
if not fs.filename:
continue
outfile = os.path.join(path, fs.filename)
if os.path.exists(outfile):
raise IOError
outdir = os.path.dirname(outfile)
os.makedirs(outdir, exist_ok=True)
with open(outfile, 'wb') as fout:
shutil.copyfileobj(fs.file, fout, 100000)
def generate_success_page(self, path, message):
html = f"""<html>
<head>
<title>{path}</title>
<meta charset="utf-8"/>
</head>
<body>
<h1>{path}</h1>
<hr/>
{message}
<br/>
<a href="{path}">Back</a>
<hr/>
</body>
</html>
"""
return html
def generate_file_list(self, path, filepaths):
path = str(path)
if path.endswith('/'):
path = path[:-1]
lines = []
for filepath in filepaths:
filepath = os.path.basename(filepath)
href = '/'.join((path, filepath))
lines.append(f'<p><a href="{href}">{filepath}</a></p>')
lines = ''.join(lines)
html = f"""<html>
<head>
<title>{path}</title>
<meta charset="utf-8"/>
</head>
<body>
<h1>{path}</h1>
<hr/>
<form enctype="multipart/form-data" action="{path}" method="post">
<label for="file">Files upload:\t</label>
<input name="file" type="file" multiple=""/>
<br/>
<label for="dfile">Folder upload:\t</label>
<input name="dfile" type="file" multiple="" directory="" webkitdirectory="" mozdirectory=""/>
<br/>
<input type="submit" value="Upload"/>
</form>
<hr/>
<form action="/DownloadAllFiles" method="get">
<input type="hidden" name="path" value="{path}"/>
<input type="submit" value="DownloadAllFiles"/>
</form>
<hr/>
{lines}
</body>
</html>
"""
return html
def simple_http_server(self, environ, start_response):
path = environ['PATH_INFO']
query = dict(parse_qsl(environ['QUERY_STRING']))
method = environ["REQUEST_METHOD"]
fspath = self.convert_path(path)
if method == "POST":
post_env = environ.copy()
post_env['QUERY_STRING'] = ''
form = cgi.FieldStorage(environ['wsgi.input'],
environ=post_env,
keep_blank_values=True)
message = "Upload completed successfully."
try:
self.save_files(fspath, form.list)
start_response('200 OK', [])
except IOError:
message = "Upload could not be completed. Permission denied?"
start_response('500 Internal Server Error', [])
html = self.generate_success_page(path, message).encode()
yield from [html]
return
if path == "/DownloadAllFiles":
path = self.convert_path(query.setdefault("path", self.path))
filename = os.path.basename(path)
status = "200 OK"
headers = {
'Content-type': 'application/zip',
'Content-Disposition':
f'attachment; filename="{filename}.zip"'
}
start_response(status, list(headers.items()))
zipfile = ZipFile()
for root, _, files in os.walk(path):
arcroot = os.path.relpath(root, path)
if arcroot == '.':
arcroot = ''
for filename in files:
zipfile.write(os.path.join(root, filename),
os.path.join(arcroot, filename))
yield from zipfile
return
if os.path.isfile(fspath):
start_response('200 OK', [])
with open(fspath, 'rb') as f:
yield from f
return
elif os.path.isdir(fspath):
status = "200 OK"
headers = {}
filepaths = (x.path for x in os.scandir(fspath))
html = self.generate_file_list(path, filepaths).encode()
start_response(status, list(headers.items()))
yield from [html]
return
else:
start_response('404 Not Found', [])
yield from []
return
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('-d', '--directory', default=os.getcwd())
args = parser.parse_args()
app = Application(args.directory)
with make_server('', 8000, app.simple_http_server,
server_class=ThreadedWSGIServer) as httpd:
print("Serving on port 8000...")
httpd.serve_forever()