2 from twisted.python import log
3 from twisted.internet import defer
4 from twisted.web2 import server, http, resource, channel
5 from twisted.web2 import static, http_headers, responsecode
7 class FileDownloader(static.File):
9 def __init__(self, path, manager, defaultType="text/plain", ignoredExts=(), processors=None, indexNames=None):
10 self.manager = manager
11 super(FileDownloader, self).__init__(path, defaultType, ignoredExts, processors, indexNames)
13 def renderHTTP(self, req):
14 log.msg('Got request for %s from %s' % (req.uri, req.remoteAddr))
15 resp = super(FileDownloader, self).renderHTTP(req)
16 if isinstance(resp, defer.Deferred):
17 resp.addCallback(self._renderHTTP_done, req)
19 resp = self._renderHTTP_done(resp, req)
22 def _renderHTTP_done(self, resp, req):
23 log.msg('Initial response to %s: %r' % (req.uri, resp))
26 path = 'http:/' + req.uri
27 if resp.code >= 200 and resp.code < 400:
28 return self.manager.check_freshness(req, path, resp.headers.getHeader('Last-Modified'), resp)
30 log.msg('Not found, trying other methods for %s' % req.uri)
31 return self.manager.get_resp(req, path)
35 def createSimilarFile(self, path):
36 return self.__class__(path, self.manager, self.defaultType, self.ignoredExts,
37 self.processors, self.indexNames[:])
40 class TopLevel(resource.Resource):
43 def __init__(self, directory, manager):
44 self.directory = directory
45 self.manager = manager
49 def getHTTPFactory(self):
50 if self.factory is None:
51 self.factory = channel.HTTPFactory(server.Site(self),
53 'betweenRequestsTimeOut': 60})
56 def setDirectories(self, dirs):
59 # Don't allow empty subdirectory
61 self.subdirs[k] = dirs[k]
62 log.msg('new subdirectories initialized')
64 def render(self, ctx):
67 {'content-type': http_headers.MimeType('text', 'html')},
70 <p>TODO: eventually some stats will be shown here.</body></html>""")
72 def locateChild(self, request, segments):
74 if name in self.subdirs:
75 log.msg('Sharing %s with %s' % (request.uri, request.remoteAddr))
76 return static.File(self.subdirs[name].path), segments[1:]
78 if request.remoteAddr.host != "127.0.0.1":
79 log.msg('Blocked illegal access to %s from %s' % (request.uri, request.remoteAddr))
83 return FileDownloader(self.directory.path, self.manager), segments[0:]
87 if __name__ == '__builtin__':
88 # Running from twistd -y
89 t = TopLevel('/home', None)
90 t.setDirectories({'~1': '/tmp', '~2': '/var/log'})
91 factory = t.getHTTPFactory()
93 # Standard twisted application Boilerplate
94 from twisted.application import service, strports
95 application = service.Application("demoserver")
96 s = strports.service('tcp:18080', factory)
97 s.setServiceParent(application)