2 from urllib import unquote_plus
4 from twisted.python import log
5 from twisted.internet import defer
6 from twisted.web2 import server, http, resource, channel
7 from twisted.web2 import static, http_headers, responsecode
9 class FileDownloader(static.File):
11 def __init__(self, path, manager, defaultType="text/plain", ignoredExts=(), processors=None, indexNames=None):
12 self.manager = manager
13 super(FileDownloader, self).__init__(path, defaultType, ignoredExts, processors, indexNames)
15 def renderHTTP(self, req):
16 log.msg('Got request for %s from %s' % (req.uri, req.remoteAddr))
17 resp = super(FileDownloader, self).renderHTTP(req)
18 if isinstance(resp, defer.Deferred):
19 resp.addCallback(self._renderHTTP_done, req)
21 resp = self._renderHTTP_done(resp, req)
24 def _renderHTTP_done(self, resp, req):
25 log.msg('Initial response to %s: %r' % (req.uri, resp))
28 path = 'http:/' + req.uri
29 if resp.code >= 200 and resp.code < 400:
30 return self.manager.check_freshness(req, path, resp.headers.getHeader('Last-Modified'), resp)
32 log.msg('Not found, trying other methods for %s' % req.uri)
33 return self.manager.get_resp(req, path)
37 def createSimilarFile(self, path):
38 return self.__class__(path, self.manager, self.defaultType, self.ignoredExts,
39 self.processors, self.indexNames[:])
42 class TopLevel(resource.Resource):
45 def __init__(self, directory, db, manager):
46 self.directory = directory
48 self.manager = manager
51 def getHTTPFactory(self):
52 if self.factory is None:
53 self.factory = channel.HTTPFactory(server.Site(self),
55 'betweenRequestsTimeOut': 60})
58 def render(self, ctx):
61 {'content-type': http_headers.MimeType('text', 'html')},
64 <p>TODO: eventually some stats will be shown here.</body></html>""")
66 def locateChild(self, request, segments):
67 log.msg('Got HTTP request for %s from %s' % (request.uri, request.remoteAddr))
70 if len(segments) != 2:
71 log.msg('Got a malformed request from %s' % request.remoteAddr)
73 hash = unquote_plus(segments[1])
74 files = self.db.lookupHash(hash)
76 log.msg('Sharing %s with %s' % (files[0]['path'].path, request.remoteAddr))
77 return static.File(files[0]['path'].path), ()
79 log.msg('Hash could not be found in database: %s' % hash)
81 if request.remoteAddr.host != "127.0.0.1":
82 log.msg('Blocked illegal access to %s from %s' % (request.uri, request.remoteAddr))
86 return FileDownloader(self.directory.path, self.manager), segments[0:]
90 log.msg('Got a malformed request for "%s" from %s' % (request.uri, request.remoteAddr))
93 if __name__ == '__builtin__':
94 # Running from twistd -y
95 t = TopLevel('/home', None)
96 t.setDirectories({'~1': '/tmp', '~2': '/var/log'})
97 factory = t.getHTTPFactory()
99 # Standard twisted application Boilerplate
100 from twisted.application import service, strports
101 application = service.Application("demoserver")
102 s = strports.service('tcp:18080', factory)
103 s.setServiceParent(application)