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150 lines
4.0 KiB
150 lines
4.0 KiB
#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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import io
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import os
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import re
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import cgi
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import wsgiref
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import tempfile
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import urlparse
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import mimetypes
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from time import gmtime, mktime, strftime, strptime, timezone
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from email.utils import parsedate
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from os.path import join, dirname, abspath
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from urllib import quote
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from Cookie import SimpleCookie
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from SocketServer import ThreadingMixIn
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from wsgiref.simple_server import WSGIServer
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class Request(object):
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def __init__(self, environ):
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# from bottle.py Copyright 2012, Marcel Hellkamp, License: MIT.
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maxread = max(0, int(environ['CONTENT_LENGTH'] or '0'))
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stream = environ['wsgi.input']
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body = tempfile.TemporaryFile(mode='w+b')
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while maxread > 0:
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part = stream.read(maxread)
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if not part:
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break
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body.write(part)
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maxread -= len(part)
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self.body = body
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self.body.seek(0)
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self.environ = environ
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self.query_string = self.environ['QUERY_STRING']
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@property
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def data(self):
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self.body.seek(0)
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return self.body.read()
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@property
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def method(self):
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return self.environ['REQUEST_METHOD']
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@property
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def args(self):
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return urlparse.parse_qs(self.environ['QUERY_STRING'])
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@property
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def form(self):
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if self.environ['CONTENT_TYPE'] == 'application/x-www-form-urlencoded':
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return cgi.FieldStorage(fp=self.body, environ=self.environ)
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return dict()
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@property
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def cookies(self):
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cookie = SimpleCookie(self.environ.get('HTTP_COOKIE', ''))
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return {v.key: v.value for v in cookie.values()}
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class Rule(str):
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repl = {'int': r'[0-9]+', 'float': r'\-?[0-9]+\.[0-9]+'}
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def __init__(self, string):
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first, last, rv = 0, -1, []
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f = lambda m: '(?P<%s>%s)' % (m.group(2), self.repl.get(m.group(1), m.group(1)))
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for i, c in enumerate(string):
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if c == '<':
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first = i
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rv.append(re.escape(string[last+1:first]))
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if c == '>':
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last = i
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if last > first:
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rv.append(re.sub(r'<\(([^:]+)\):(\w+)>', f, string[first:last+1]))
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first = last
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rv.append(re.escape(string[last+1:]))
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self.rule = re.compile('^' + ''.join(rv) + '$')
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def match(self, obj):
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match = re.match(self.rule, obj)
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if not match: return
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kwargs = match.groupdict()
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for key, value in kwargs.items():
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for type in int, float:
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try:
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kwargs[key] = type(value)
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break
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except ValueError:
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pass
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return kwargs
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def sendfile(filename, root, environ):
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headers = {}
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root = abspath(root) + os.sep
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filename = abspath(join(root, filename.strip('/\\')))
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if not filename.startswith(root):
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return 403, '', headers
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mimetype, encoding = mimetypes.guess_type(filename)
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if mimetype: headers['Content-Type'] = mimetype
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if encoding: headers['Content-Encoding'] = encoding
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stats = os.stat(filename)
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headers['Content-Length'] = str(stats.st_size)
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headers['Last-Modified'] = strftime("%a, %d %b %Y %H:%M:%S GMT", gmtime(stats.st_mtime))
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ims = environ.get('HTTP_IF_MODIFIED_SINCE')
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if ims:
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ims = parsedate(ims)
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if ims is not None and mktime(ims) - timezone >= stats.st_mtime:
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headers['Date'] = strftime("%a, %d %b %Y %H:%M:%S GMT", gmtime())
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return 304, '', headers
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return 200, io.open(filename, 'rb'), headers
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def static(app, environ, request, directory, path):
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try:
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return sendfile(path, join(dirname(__file__), directory), environ)
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except (OSError, IOError):
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return 404, '', {}
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def setcookie(name, value, **kwargs):
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return '; '.join([quote(name, '') + '=' + quote(value, '')] +
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[k.replace('_', '-') + '=' + str(v) for k, v in kwargs.iteritems()])
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class ThreadedWSGIServer(ThreadingMixIn, WSGIServer):
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pass
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