############################################################################## # # Copyright (c) 2007 Nexedi SARL and Contributors. All Rights Reserved. # Jean-Paul Smets <jp@nexedi.com> # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsability of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # garantees and support are strongly adviced to contract a Free Software # Service Company # # This program is Free Software; you can redistribute it and/or # modify it under the terms of the Python Software Foundation License (PSFL) # ############################################################################## import urllib2, os, dircache, urllib from StringIO import StringIO from urllib2 import FileHandler, url2pathname, mimetypes, mimetools, addinfourl, URLError class DirectoryFileHandler(FileHandler): """ Extends the file handler to provide an HTML representation of local directories. """ # Use local file or FTP depending on form of URL def file_open(self, req): url = req.get_selector() if url[:2] == '//' and url[2:3] != '/': req.type = 'ftp' return self.parent.open(req) else: return self.open_local_file(req) # not entirely sure what the rules are here def open_local_file(self, req): import email.Utils host = req.get_host() file = req.get_selector() localfile = url2pathname(file) stats = os.stat(localfile) size = stats.st_size modified = email.Utils.formatdate(stats.st_mtime, usegmt=True) mtype = mimetypes.guess_type(file)[0] headers = mimetools.Message(StringIO( 'Content-type: %s\nContent-length: %d\nLast-modified: %s\n' % (mtype or 'text/plain', size, modified))) if host: host, port = splitport(host) if not host or \ (not port and socket.gethostbyname(host) in self.get_names()): try: file_list = dircache.listdir(localfile) s = StringIO() for f in file_list: s.write('<p><a href="%s">%s</a></p>\n' % (urllib.quote(f), f)) s.seek(0) headers = mimetools.Message(StringIO( 'Content-type: %s\nContent-length: %d\nLast-modified: %s\n' % ('text/html', size, modified))) return addinfourl(s, headers, 'file:' + file) except OSError: return addinfourl(open(localfile, 'rb'), headers, 'file:'+file) raise URLError('file not on local host')