P. Christeas
8f2e8ff36f
Since both "well-known" urls are about webdav[1], we can safely assume that the webdav module is needed when well-known uris are used. The code is much similar, too. http://www.iana.org/assignments/well-known-uris/well-known-uris.xhtml bzr revid: p_christ@hol.gr-20101123185338-az85yl7pbc9gf76z
481 lines
17 KiB
Python
481 lines
17 KiB
Python
# -*- encoding: utf-8 -*-
|
|
############################################################################9
|
|
#
|
|
# Copyright P. Christeas <p_christ@hol.gr> 2008,2009
|
|
# Copyright OpenERP SA, 2010 (http://www.openerp.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 GNU General Public License
|
|
# as published by the Free Software Foundation; either version 3
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
###############################################################################
|
|
|
|
|
|
from dav_fs import openerp_dav_handler
|
|
from tools.config import config
|
|
from DAV.WebDAVServer import DAVRequestHandler
|
|
from service import http_server
|
|
from service.websrv_lib import HTTPDir, FixSendError, HttpOptions
|
|
from BaseHTTPServer import BaseHTTPRequestHandler
|
|
import urlparse
|
|
import urllib
|
|
import re
|
|
import time
|
|
from string import atoi
|
|
import addons
|
|
from DAV.errors import DAV_Error, DAV_Forbidden, DAV_NotFound
|
|
from DAV.propfind import PROPFIND
|
|
# from DAV.constants import DAV_VERSION_1, DAV_VERSION_2
|
|
from redirect import RedirectHTTPHandler
|
|
|
|
khtml_re = re.compile(r' KHTML/([0-9\.]+) ')
|
|
|
|
def OpenDAVConfig(**kw):
|
|
class OpenDAV:
|
|
def __init__(self, **kw):
|
|
self.__dict__.update(**kw)
|
|
|
|
def getboolean(self, word):
|
|
return self.__dict__.get(word, False)
|
|
|
|
class Config:
|
|
DAV = OpenDAV(**kw)
|
|
|
|
return Config()
|
|
|
|
|
|
class DAVHandler(HttpOptions, FixSendError, DAVRequestHandler):
|
|
verbose = False
|
|
protocol_version = 'HTTP/1.1'
|
|
_HTTP_OPTIONS= { 'DAV' : ['1', '2'],
|
|
'Allow' : [ 'GET', 'HEAD', 'COPY', 'MOVE', 'POST', 'PUT',
|
|
'PROPFIND', 'PROPPATCH', 'OPTIONS', 'MKCOL',
|
|
'DELETE', 'TRACE', 'REPORT', ]
|
|
}
|
|
|
|
def get_userinfo(self,user,pw):
|
|
return False
|
|
def _log(self, message):
|
|
netsvc.Logger().notifyChannel("webdav",netsvc.LOG_DEBUG,message)
|
|
|
|
def handle(self):
|
|
self._init_buffer()
|
|
|
|
def finish(self):
|
|
pass
|
|
|
|
def get_db_from_path(self, uri):
|
|
# interface class will handle all cases.
|
|
res = self.IFACE_CLASS.get_db(uri, allow_last=True)
|
|
return res
|
|
|
|
def setup(self):
|
|
self.davpath = '/'+config.get_misc('webdav','vdir','webdav')
|
|
addr, port = self.server.server_name, self.server.server_port
|
|
server_proto = getattr(self.server,'proto', 'http').lower()
|
|
try:
|
|
if hasattr(self.request, 'getsockname'):
|
|
addr, port = self.request.getsockname()
|
|
except Exception, e:
|
|
self.log_error("Cannot calculate own address: %s" , e)
|
|
# Too early here to use self.headers
|
|
self.baseuri = "%s://%s:%d/"% (server_proto, addr, port)
|
|
self.IFACE_CLASS = openerp_dav_handler(self, self.verbose)
|
|
|
|
def copymove(self, CLASS):
|
|
""" Our uri scheme removes the /webdav/ component from there, so we
|
|
need to mangle the header, too.
|
|
"""
|
|
up = urlparse.urlparse(urllib.unquote(self.headers['Destination']))
|
|
if up.path.startswith(self.davpath):
|
|
self.headers['Destination'] = up.path[len(self.davpath):]
|
|
else:
|
|
raise DAV_Forbidden("Not allowed to copy/move outside webdav path")
|
|
DAVRequestHandler.copymove(self, CLASS)
|
|
|
|
def get_davpath(self):
|
|
return self.davpath
|
|
|
|
def log_message(self, format, *args):
|
|
netsvc.Logger().notifyChannel('webdav', netsvc.LOG_DEBUG_RPC, format % args)
|
|
|
|
def log_error(self, format, *args):
|
|
netsvc.Logger().notifyChannel('xmlrpc', netsvc.LOG_WARNING, format % args)
|
|
|
|
def _prep_OPTIONS(self, opts):
|
|
ret = opts
|
|
dc=self.IFACE_CLASS
|
|
uri=urlparse.urljoin(self.get_baseuri(dc), self.path)
|
|
uri=urllib.unquote(uri)
|
|
try:
|
|
ret = dc.prep_http_options(uri, opts)
|
|
except DAV_Error, (ec,dd):
|
|
pass
|
|
except Exception,e:
|
|
self.log_error("Error at options: %s", str(e))
|
|
raise
|
|
return ret
|
|
|
|
def send_response(self, code, message=None):
|
|
# the BufferingHttpServer will send Connection: close , while
|
|
# the BaseHTTPRequestHandler will only accept int code.
|
|
# workaround both of them.
|
|
if self.command == 'PROPFIND' and int(code) == 404:
|
|
kh = khtml_re.search(self.headers.get('User-Agent',''))
|
|
if kh and (kh.group(1) < '4.5'):
|
|
# There is an ugly bug in all khtml < 4.5.x, where the 404
|
|
# response is treated as an immediate error, which would even
|
|
# break the flow of a subsequent PUT request. At the same time,
|
|
# the 200 response (rather than 207 with content) is treated
|
|
# as "path not exist", so we send this instead
|
|
# https://bugs.kde.org/show_bug.cgi?id=166081
|
|
code = 200
|
|
BaseHTTPRequestHandler.send_response(self, int(code), message)
|
|
|
|
def send_header(self, key, value):
|
|
if key == 'Connection' and value == 'close':
|
|
self.close_connection = 1
|
|
DAVRequestHandler.send_header(self, key, value)
|
|
|
|
def send_body(self, DATA, code = None, msg = None, desc = None, ctype='application/octet-stream', headers=None):
|
|
if headers and 'Connection' in headers:
|
|
pass
|
|
elif self.request_version in ('HTTP/1.0', 'HTTP/0.9'):
|
|
pass
|
|
elif self.close_connection == 1: # close header already sent
|
|
pass
|
|
else:
|
|
if headers is None:
|
|
headers = {}
|
|
if self.headers.get('Connection',False) == 'Keep-Alive':
|
|
headers['Connection'] = 'keep-alive'
|
|
|
|
DAVRequestHandler.send_body(self, DATA, code=code, msg=msg, desc=desc,
|
|
ctype=ctype, headers=headers)
|
|
|
|
def do_PUT(self):
|
|
dc=self.IFACE_CLASS
|
|
uri=urlparse.urljoin(self.get_baseuri(dc), self.path)
|
|
uri=urllib.unquote(uri)
|
|
# Handle If-Match
|
|
if self.headers.has_key('If-Match'):
|
|
test = False
|
|
etag = None
|
|
|
|
for match in self.headers['If-Match'].split(','):
|
|
if match == '*':
|
|
if dc.exists(uri):
|
|
test = True
|
|
break
|
|
else:
|
|
if dc.match_prop(uri, match, "DAV:", "getetag"):
|
|
test = True
|
|
break
|
|
if not test:
|
|
self._get_body()
|
|
self.send_status(412)
|
|
return
|
|
|
|
# Handle If-None-Match
|
|
if self.headers.has_key('If-None-Match'):
|
|
test = True
|
|
etag = None
|
|
for match in self.headers['If-None-Match'].split(','):
|
|
if match == '*':
|
|
if dc.exists(uri):
|
|
test = False
|
|
break
|
|
else:
|
|
if dc.match_prop(uri, match, "DAV:", "getetag"):
|
|
test = False
|
|
break
|
|
if not test:
|
|
self._get_body()
|
|
self.send_status(412)
|
|
return
|
|
|
|
# Handle expect
|
|
expect = self.headers.get('Expect', '')
|
|
if (expect.lower() == '100-continue' and
|
|
self.protocol_version >= 'HTTP/1.1' and
|
|
self.request_version >= 'HTTP/1.1'):
|
|
self.send_status(100)
|
|
self._flush()
|
|
|
|
# read the body
|
|
body=self._get_body()
|
|
|
|
# locked resources are not allowed to be overwritten
|
|
if self._l_isLocked(uri):
|
|
return self.send_body(None, '423', 'Locked', 'Locked')
|
|
|
|
ct=None
|
|
if self.headers.has_key("Content-Type"):
|
|
ct=self.headers['Content-Type']
|
|
try:
|
|
location = dc.put(uri, body, ct)
|
|
except DAV_Error, (ec,dd):
|
|
self.log_error("Cannot PUT to %s: %s", uri, dd)
|
|
return self.send_status(ec)
|
|
|
|
headers = {}
|
|
etag = None
|
|
if location and isinstance(location, tuple):
|
|
etag = location[1]
|
|
location = location[0]
|
|
# note that we have allowed for > 2 elems
|
|
if location:
|
|
headers['Location'] = location
|
|
else:
|
|
try:
|
|
if not etag:
|
|
etag = dc.get_prop(location or uri, "DAV:", "getetag")
|
|
if etag:
|
|
headers['ETag'] = str(etag)
|
|
except Exception:
|
|
pass
|
|
|
|
self.send_body(None, '201', 'Created', '', headers=headers)
|
|
|
|
def _get_body(self):
|
|
body = None
|
|
if self.headers.has_key("Content-Length"):
|
|
l=self.headers['Content-Length']
|
|
body=self.rfile.read(atoi(l))
|
|
return body
|
|
|
|
def do_DELETE(self):
|
|
try:
|
|
DAVRequestHandler.do_DELETE(self)
|
|
except DAV_Error, (ec, dd):
|
|
return self.send_status(ec)
|
|
|
|
from service.http_server import reg_http_service,OpenERPAuthProvider
|
|
|
|
class DAVAuthProvider(OpenERPAuthProvider):
|
|
def authenticate(self, db, user, passwd, client_address):
|
|
""" authenticate, but also allow the False db, meaning to skip
|
|
authentication when no db is specified.
|
|
"""
|
|
if db is False:
|
|
return True
|
|
return OpenERPAuthProvider.authenticate(self, db, user, passwd, client_address)
|
|
|
|
|
|
class dummy_dav_interface(object):
|
|
""" Dummy dav interface """
|
|
verbose = True
|
|
|
|
PROPS={"DAV:" : ('creationdate',
|
|
'displayname',
|
|
'getlastmodified',
|
|
'resourcetype',
|
|
),
|
|
}
|
|
|
|
M_NS={"DAV:" : "_get_dav", }
|
|
|
|
def __init__(self, parent):
|
|
self.parent = parent
|
|
|
|
def get_propnames(self,uri):
|
|
return self.PROPS
|
|
|
|
def get_prop(self,uri,ns,propname):
|
|
if self.M_NS.has_key(ns):
|
|
prefix=self.M_NS[ns]
|
|
else:
|
|
raise DAV_NotFound
|
|
mname=prefix+"_"+propname.replace('-', '_')
|
|
try:
|
|
m=getattr(self,mname)
|
|
r=m(uri)
|
|
return r
|
|
except AttributeError:
|
|
raise DAV_NotFound
|
|
|
|
def get_data(self, uri, range=None):
|
|
raise DAV_NotFound
|
|
|
|
def _get_dav_creationdate(self,uri):
|
|
return time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime())
|
|
|
|
def _get_dav_getlastmodified(self,uri):
|
|
return time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime())
|
|
|
|
def _get_dav_displayname(self, uri):
|
|
return uri
|
|
|
|
def _get_dav_resourcetype(self, uri):
|
|
return ('collection', 'DAV:')
|
|
|
|
def exists(self, uri):
|
|
""" return 1 or None depending on if a resource exists """
|
|
uri2 = uri.split('/')
|
|
if len(uri2) < 3:
|
|
return True
|
|
logging.getLogger('webdav').debug("Requested uri: %s", uri)
|
|
return None # no
|
|
|
|
def is_collection(self, uri):
|
|
""" return 1 or None depending on if a resource is a collection """
|
|
return None # no
|
|
|
|
class DAVStaticHandler(http_server.StaticHTTPHandler):
|
|
""" A variant of the Static handler, which will serve dummy DAV requests
|
|
"""
|
|
verbose = False
|
|
protocol_version = 'HTTP/1.1'
|
|
_HTTP_OPTIONS= { 'DAV' : ['1', '2'],
|
|
'Allow' : [ 'GET', 'HEAD',
|
|
'PROPFIND', 'OPTIONS', 'REPORT', ]
|
|
}
|
|
|
|
def send_body(self, content, code, message='OK', content_type='text/xml'):
|
|
self.send_response(int(code), message)
|
|
self.send_header("Content-Type", content_type)
|
|
# self.send_header('Connection', 'close')
|
|
self.send_header('Content-Length', len(content) or 0)
|
|
self.end_headers()
|
|
if hasattr(self, '_flush'):
|
|
self._flush()
|
|
|
|
if self.command != 'HEAD':
|
|
self.wfile.write(content)
|
|
|
|
def do_PROPFIND(self):
|
|
"""Answer to PROPFIND with generic data.
|
|
|
|
A rough copy of python-webdav's do_PROPFIND, but hacked to work
|
|
statically.
|
|
"""
|
|
|
|
dc = dummy_dav_interface(self)
|
|
|
|
# read the body containing the xml request
|
|
# iff there is no body then this is an ALLPROP request
|
|
body = None
|
|
if self.headers.has_key('Content-Length'):
|
|
l = self.headers['Content-Length']
|
|
body = self.rfile.read(atoi(l))
|
|
|
|
path = self.path.rstrip('/')
|
|
uri = urllib.unquote(path)
|
|
|
|
pf = PROPFIND(uri, dc, self.headers.get('Depth', 'infinity'), body)
|
|
|
|
try:
|
|
DATA = '%s\n' % pf.createResponse()
|
|
except DAV_Error, (ec,dd):
|
|
return self.send_error(ec,dd)
|
|
except Exception:
|
|
self.log_exception("Cannot PROPFIND")
|
|
raise
|
|
|
|
# work around MSIE DAV bug for creation and modified date
|
|
# taken from Resource.py @ Zope webdav
|
|
if (self.headers.get('User-Agent') ==
|
|
'Microsoft Data Access Internet Publishing Provider DAV 1.1'):
|
|
DATA = DATA.replace('<ns0:getlastmodified xmlns:ns0="DAV:">',
|
|
'<ns0:getlastmodified xmlns:n="DAV:" xmlns:b="urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/" b:dt="dateTime.rfc1123">')
|
|
DATA = DATA.replace('<ns0:creationdate xmlns:ns0="DAV:">',
|
|
'<ns0:creationdate xmlns:n="DAV:" xmlns:b="urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/" b:dt="dateTime.tz">')
|
|
|
|
self.send_body(DATA, '207','Multi-Status','Multiple responses')
|
|
|
|
def not_get_baseuri(self):
|
|
baseuri = '/'
|
|
if self.headers.has_key('Host'):
|
|
uparts = list(urlparse.urlparse('/'))
|
|
uparts[1] = self.headers['Host']
|
|
baseuri = urlparse.urlunparse(uparts)
|
|
return baseuri
|
|
|
|
def get_davpath(self):
|
|
return ''
|
|
|
|
|
|
try:
|
|
|
|
if (config.get_misc('webdav','enable',True)):
|
|
directory = '/'+config.get_misc('webdav','vdir','webdav')
|
|
handler = DAVHandler
|
|
verbose = config.get_misc('webdav','verbose',True)
|
|
handler.debug = config.get_misc('webdav','debug',True)
|
|
_dc = { 'verbose' : verbose,
|
|
'directory' : directory,
|
|
'lockemulation' : True,
|
|
}
|
|
|
|
conf = OpenDAVConfig(**_dc)
|
|
handler._config = conf
|
|
reg_http_service(HTTPDir(directory,DAVHandler,DAVAuthProvider()))
|
|
netsvc.Logger().notifyChannel('webdav', netsvc.LOG_INFO, "WebDAV service registered at path: %s/ "% directory)
|
|
|
|
if not (config.get_misc('webdav', 'no_root_hack', False)):
|
|
# Now, replace the static http handler with the dav-enabled one.
|
|
# If a static-http service has been specified for our server, then
|
|
# read its configuration and use that dir_path.
|
|
# NOTE: this will _break_ any other service that would be registered
|
|
# at the root path in future.
|
|
base_path = False
|
|
if config.get_misc('static-http','enable', False):
|
|
base_path = config.get_misc('static-http', 'base_path', '/')
|
|
if base_path and base_path == '/':
|
|
dir_path = config.get_misc('static-http', 'dir_path', False)
|
|
else:
|
|
dir_path = addons.get_module_resource('document_webdav','public_html')
|
|
# an _ugly_ hack: we put that dir back in tools.config.misc, so that
|
|
# the StaticHttpHandler can find its dir_path.
|
|
config.misc.setdefault('static-http',{})['dir_path'] = dir_path
|
|
|
|
if reg_http_service(HTTPDir('/', DAVStaticHandler)):
|
|
logging.getLogger("web-services").info("WebDAV registered HTTP dir %s for /" % \
|
|
(dir_path))
|
|
|
|
except Exception, e:
|
|
logger = netsvc.Logger()
|
|
logger.notifyChannel('webdav', netsvc.LOG_ERROR, 'Cannot launch webdav: %s' % e)
|
|
|
|
|
|
def init_well_known():
|
|
reps = RedirectHTTPHandler.redirect_paths
|
|
|
|
num_svcs = config.get_misc('http-well-known', 'num_services', '0')
|
|
|
|
for nsv in range(1, int(num_svcs)+1):
|
|
uri = config.get_misc('http-well-known', 'service_%d' % nsv, False)
|
|
path = config.get_misc('http-well-known', 'path_%d' % nsv, False)
|
|
if not (uri and path):
|
|
continue
|
|
reps['/'+uri] = path
|
|
|
|
if int(num_svcs):
|
|
if http_server.reg_http_service(HTTPDir('/.well-known', RedirectHTTPHandler)):
|
|
logging.getLogger("web-services").info("Registered HTTP redirect handler at /.well-known" )
|
|
|
|
|
|
init_well_known()
|
|
|
|
#eof
|
|
|
|
|
|
|