3 from twisted.python import log
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 render(self, req):
14 log.msg('Got request for %s from %s' % (req.uri, req.remoteAddr))
15 resp = super(FileDownloader, self).render(req)
16 log.msg('Initial response to %s: %r' % (req.uri, resp))
19 path = 'http:/' + req.uri
20 if resp != responsecode.NOT_FOUND:
21 log.msg('Checking freshness of %s' % req.uri)
22 return self.manager.check_freshness(path, resp.headers.getHeader('Last-Modified'), resp)
24 log.msg('Not found, trying other methods for %s' % req.uri)
25 return self.manager.get_resp(path)
29 def createSimilarFile(self, path):
30 return self.__class__(path, self.manager, self.defaultType, self.ignoredExts,
31 self.processors, self.indexNames[:])
34 class TopLevel(resource.Resource):
37 def __init__(self, directory, manager):
38 self.directory = directory
39 self.manager = manager
42 def addDirectory(self, directory):
43 path = "~" + str(len(self.subdirs))
44 self.subdirs.append(directory)
47 def removeDirectory(self, directory):
48 loc = self.subdirs.index(directory)
49 self.subdirs[loc] = ''
51 def render(self, ctx):
54 {'content-type': http_headers.MimeType('text', 'html')},
57 <p>TODO: eventually some stats will be shown here.</body></html>""")
59 def locateChild(self, request, segments):
61 if len(name) > 1 and name[0] == '~':
65 log.msg('Not found: %s from %s' % (request.uri, request.remoteAddr))
68 if loc >= 0 and loc < len(self.subdirs) and self.subdirs[loc]:
69 log.msg('Sharing %s with %s' % (request.uri, request.remoteAddr))
70 return static.File(self.subdirs[loc]), segments[1:]
72 log.msg('Not found: %s from %s' % (request.uri, request.remoteAddr))
75 if request.remoteAddr.host != "127.0.0.1":
76 log.msg('Blocked illegal access to %s from %s' % (request.uri, request.remoteAddr))
80 return FileDownloader(self.directory, self.manager), segments[0:]
84 if __name__ == '__builtin__':
85 # Running from twistd -y
86 t = TopLevel('/home', None)
87 t.addDirectory('/tmp')
88 t.addDirectory('/var/log')
91 # Standard twisted application Boilerplate
92 from twisted.application import service, strports
93 application = service.Application("demoserver")
94 s = strports.service('tcp:18080', channel.HTTPFactory(site))
95 s.setServiceParent(application)