1 # -*- encoding: utf-8 -*-
4 # Copyright P. Christeas <p_christ@hol.gr> 2008,2009
7 # WARNING: This program as such is intended to be used by professional
8 # programmers who take the whole responsability of assessing all potential
9 # consequences resulting from its eventual inadequacies and bugs
10 # End users who are looking for a ready-to-use solution with commercial
11 # garantees and support are strongly adviced to contract a Free Software
14 # This program is Free Software; you can redistribute it and/or
15 # modify it under the terms of the GNU General Public License
16 # as published by the Free Software Foundation; either version 2
17 # of the License, or (at your option) any later version.
19 # This program is distributed in the hope that it will be useful,
20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 # GNU General Public License for more details.
24 # You should have received a copy of the GNU General Public License
25 # along with this program; if not, write to the Free Software
26 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 ###############################################################################
32 from dav_fs import openerp_dav_handler
33 from tools.config import config
34 from DAV.WebDAVServer import DAVRequestHandler
35 from service.websrv_lib import HTTPDir, FixSendError, HttpOptions
36 from BaseHTTPServer import BaseHTTPRequestHandler
39 from string import atoi,split
40 from DAV.errors import *
41 # from DAV.constants import DAV_VERSION_1, DAV_VERSION_2
43 def OpenDAVConfig(**kw):
45 def __init__(self, **kw):
46 self.__dict__.update(**kw)
48 def getboolean(self, word):
49 return self.__dict__.get(word, False)
57 class DAVHandler(HttpOptions, FixSendError, DAVRequestHandler):
59 protocol_version = 'HTTP/1.1'
60 _HTTP_OPTIONS= { 'DAV' : ['1', '2'],
61 'Allow' : [ 'GET', 'HEAD', 'COPY', 'MOVE', 'POST', 'PUT',
62 'PROPFIND', 'PROPPATCH', 'OPTIONS', 'MKCOL',
63 'DELETE', 'TRACE', 'REPORT', ]
66 def get_userinfo(self,user,pw):
68 def _log(self, message):
69 netsvc.Logger().notifyChannel("webdav",netsvc.LOG_DEBUG,message)
77 def get_db_from_path(self, uri):
78 # interface class will handle all cases.
79 res = self.IFACE_CLASS.get_db(uri, allow_last=True)
83 self.davpath = '/'+config.get_misc('webdav','vdir','webdav')
84 addr, port = self.server.server_name, self.server.server_port
85 server_proto = getattr(self.server,'proto', 'http').lower()
87 if hasattr(self.request, 'getsockname'):
88 addr, port = self.request.getsockname()
90 self.log_error("Cannot calculate own address: %s" , e)
91 # Too early here to use self.headers
92 self.baseuri = "%s://%s:%d/"% (server_proto, addr, port)
93 self.IFACE_CLASS = openerp_dav_handler(self, self.verbose)
95 def copymove(self, CLASS):
96 """ Our uri scheme removes the /webdav/ component from there, so we
97 need to mangle the header, too.
99 dest = self.headers['Destination']
100 up = urlparse.urlparse(urllib.unquote(self.headers['Destination']))
101 if up.path.startswith(self.davpath):
102 self.headers['Destination'] = up.path[len(self.davpath):]
104 raise DAV_Forbidden("Not allowed to copy/move outside webdav path")
105 DAVRequestHandler.copymove(self, CLASS)
107 def get_davpath(self):
110 def log_message(self, format, *args):
111 netsvc.Logger().notifyChannel('webdav', netsvc.LOG_DEBUG_RPC, format % args)
113 def log_error(self, format, *args):
114 netsvc.Logger().notifyChannel('xmlrpc', netsvc.LOG_WARNING, format % args)
116 def _prep_OPTIONS(self, opts):
119 uri=urlparse.urljoin(self.get_baseuri(dc), self.path)
120 uri=urllib.unquote(uri)
122 ret = dc.prep_http_options(uri, opts)
123 except DAV_Error, (ec,dd):
126 self.log_error("Error at options: %s", str(e))
130 def send_response(self, code, message=None):
131 # the BufferingHttpServer will send Connection: close , while
132 # the BaseHTTPRequestHandler will only accept int code.
133 # workaround both of them.
134 BaseHTTPRequestHandler.send_response(self, int(code), message)
136 def send_header(self, key, value):
137 if key == 'Connection' and value == 'close':
138 self.close_connection = 1
139 DAVRequestHandler.send_header(self, key, value)
141 def send_body(self, DATA, code = None, msg = None, desc = None, ctype='application/octet-stream', headers=None):
142 if headers and 'Connection' in headers:
144 elif self.request_version in ('HTTP/1.0', 'HTTP/0.9'):
146 elif self.close_connection == 1: # close header already sent
151 if self.headers.get('Connection',False) == 'Keep-Alive':
152 headers['Connection'] = 'keep-alive'
154 DAVRequestHandler.send_body(self, DATA, code=code, msg=msg, desc=desc,
155 ctype=ctype, headers=headers)
159 uri=urlparse.urljoin(self.get_baseuri(dc), self.path)
160 uri=urllib.unquote(uri)
162 if self.headers.has_key('If-Match'):
166 for match in self.headers['If-Match'].split(','):
172 if dc.match_prop(uri, match, "DAV:", "getetag"):
177 self.send_status(412)
180 # Handle If-None-Match
181 if self.headers.has_key('If-None-Match'):
184 for match in self.headers['If-None-Match'].split(','):
190 if dc.match_prop(uri, match, "DAV:", "getetag"):
195 self.send_status(412)
199 expect = self.headers.get('Expect', '')
200 if (expect.lower() == '100-continue' and
201 self.protocol_version >= 'HTTP/1.1' and
202 self.request_version >= 'HTTP/1.1'):
203 self.send_status(100)
207 body=self._get_body()
209 # locked resources are not allowed to be overwritten
210 if self._l_isLocked(uri):
211 return self.send_body(None, '423', 'Locked', 'Locked')
214 if self.headers.has_key("Content-Type"):
215 ct=self.headers['Content-Type']
217 location = dc.put(uri, body, ct)
218 except DAV_Error, (ec,dd):
219 self._logger.warning("Cannot PUT to %s: %s", uri, dd, exc_info=True)
220 return self.send_status(ec)
224 if location and isinstance(location, tuple):
226 location = location[0]
227 # note that we have allowed for > 2 elems
229 headers['Location'] = location
233 etag = dc.get_prop(location or uri, "DAV:", "getetag")
235 headers['ETag'] = str(etag)
239 self.send_body(None, '201', 'Created', '', headers=headers)
243 if self.headers.has_key("Content-Length"):
244 l=self.headers['Content-Length']
245 body=self.rfile.read(atoi(l))
250 DAVRequestHandler.do_DELETE(self)
251 except DAV_Error, (ec, dd):
252 return self.send_status(ec)
254 from service.http_server import reg_http_service,OpenERPAuthProvider
256 class DAVAuthProvider(OpenERPAuthProvider):
257 def authenticate(self, db, user, passwd, client_address):
258 """ authenticate, but also allow the False db, meaning to skip
259 authentication when no db is specified.
263 return OpenERPAuthProvider.authenticate(self, db, user, passwd, client_address)
267 if (config.get_misc('webdav','enable',True)):
268 directory = '/'+config.get_misc('webdav','vdir','webdav')
270 verbose = config.get_misc('webdav','verbose',True)
271 handler.debug = config.get_misc('webdav','debug',True)
272 _dc = { 'verbose' : verbose,
273 'directory' : directory,
274 'lockemulation' : True,
277 conf = OpenDAVConfig(**_dc)
278 handler._config = conf
279 reg_http_service(HTTPDir(directory,DAVHandler,DAVAuthProvider()))
280 netsvc.Logger().notifyChannel('webdav', netsvc.LOG_INFO, "WebDAV service registered at path: %s/ "% directory)
282 logger = netsvc.Logger()
283 logger.notifyChannel('webdav', netsvc.LOG_ERROR, 'Cannot launch webdav: %s' % e)