3 from twisted.python import log
4 from twisted.internet import defer
5 from twisted.web2 import server, http, resource, channel
6 from twisted.web2 import static, http_headers, responsecode
8 class FileDownloader(static.File):
10 def __init__(self, path, manager, defaultType="text/plain", ignoredExts=(), processors=None, indexNames=None):
11 self.manager = manager
12 super(FileDownloader, self).__init__(path, defaultType, ignoredExts, processors, indexNames)
14 def renderHTTP(self, req):
15 log.msg('Got request for %s from %s' % (req.uri, req.remoteAddr))
16 resp = super(FileDownloader, self).renderHTTP(req)
17 if isinstance(resp, defer.Deferred):
18 resp.addCallback(self._renderHTTP_done, req)
20 resp = self._renderHTTP_done(resp, req)
23 def _renderHTTP_done(self, resp, req):
24 log.msg('Initial response to %s: %r' % (req.uri, resp))
27 path = 'http:/' + req.uri
28 if resp.code >= 200 and resp.code < 400:
29 return self.manager.check_freshness(path, resp.headers.getHeader('Last-Modified'), resp)
31 log.msg('Not found, trying other methods for %s' % req.uri)
32 return self.manager.get_resp(path)
36 def createSimilarFile(self, path):
37 return self.__class__(path, self.manager, self.defaultType, self.ignoredExts,
38 self.processors, self.indexNames[:])
41 class TopLevel(resource.Resource):
44 def __init__(self, directory, manager):
45 self.directory = directory
46 self.manager = manager
49 def setDirectories(self, dirs):
52 # Don't allow empty subdirectory
54 self.subdirs[k] = dirs[k]
56 def render(self, ctx):
59 {'content-type': http_headers.MimeType('text', 'html')},
62 <p>TODO: eventually some stats will be shown here.</body></html>""")
64 def locateChild(self, request, segments):
66 if name in self.subdirs:
67 log.msg('Sharing %s with %s' % (request.uri, request.remoteAddr))
68 return static.File(self.subdirs[name]), segments[1:]
70 if request.remoteAddr.host != "127.0.0.1":
71 log.msg('Blocked illegal access to %s from %s' % (request.uri, request.remoteAddr))
75 return FileDownloader(self.directory, self.manager), segments[0:]
79 if __name__ == '__builtin__':
80 # Running from twistd -y
81 t = TopLevel('/home', None)
82 t.addDirectory('/tmp')
83 t.addDirectory('/var/log')
86 # Standard twisted application Boilerplate
87 from twisted.application import service, strports
88 application = service.Application("demoserver")
89 s = strports.service('tcp:18080', channel.HTTPFactory(site))
90 s.setServiceParent(application)