Files
tryton/trytond/webdav/webdav.py
T
2012-04-29 13:19:52 +02:00

814 lines
33 KiB
Python

#This file is part of Tryton. The COPYRIGHT file at the top level of
#this repository contains the full copyright notices and license terms.
import os
import time
import urllib
import urlparse
import socket
import encodings
import uuid
import datetime
from dateutil.relativedelta import relativedelta
from trytond.model import ModelView, ModelSQL, fields
from trytond.tools import reduce_ids, safe_eval
from trytond.transaction import Transaction
from trytond.pool import Pool
from trytond.config import CONFIG
from trytond.pyson import Eval
def get_webdav_url():
if CONFIG['ssl_webdav']:
protocol = 'https'
else:
protocol = 'http'
hostname = (CONFIG['hostname_webdav']
or unicode(socket.getfqdn(), 'utf8'))
hostname = '.'.join(encodings.idna.ToASCII(part) for part in
hostname.split('.'))
return urlparse.urlunsplit((protocol, hostname,
urllib.quote(Transaction().cursor.database_name + '/'), None, None))
class Collection(ModelSQL, ModelView):
"Collection"
_name = "webdav.collection"
_description = __doc__
name = fields.Char('Name', required=True, select=True)
parent = fields.Many2One('webdav.collection', 'Parent',
ondelete='RESTRICT', domain=[('model', '=', None)])
childs = fields.One2Many('webdav.collection', 'parent', 'Children')
model = fields.Many2One('ir.model', 'Model')
domain = fields.Char('Domain')
complete_name = fields.Function(fields.Char('Complete Name',
order_field='name'), 'get_rec_name')
def __init__(self):
super(Collection, self).__init__()
self._sql_constraints += [
('name_parent_uniq', 'UNIQUE (name, parent)',
'The collection name must be unique inside a collection!'),
]
self._constraints += [
('check_recursion', 'recursive_collections'),
('check_attachment', 'collection_file_name'),
]
self._error_messages.update({
'recursive_collections': 'You can not create recursive ' \
'collections!',
'collection_file_name': 'You can not create a collection\n' \
'in a collection with the name of an ' \
'existing file!',
})
self.ext2mime = {
'.png': 'image/png',
'.odt': 'application/vnd.oasis.opendocument.text',
'.pdf': 'application/pdf',
}
def default_domain(self):
return '[]'
def get_rec_name(self, ids, name):
if not ids:
return {}
names = {}
def _name(collection):
if collection.id in names:
return names[collection.id]
elif collection.parent:
return _name(collection.parent) + '/' + collection.name
else:
return collection.name
for collection in self.browse(ids):
names[collection.id] = _name(collection)
return names
def check_attachment(self, ids):
pool = Pool()
attachment_obj = pool.get('ir.attachment')
for collection in self.browse(ids):
if collection.parent:
attachment_ids = attachment_obj.search([
('resource', '=', '%s,%s' %
(self._name, collection.parent.id)),
])
for attachment in attachment_obj.browse(attachment_ids):
if attachment.name == collection.name:
return False
return True
def _uri2object(self, uri, object_name=_name, object_id=None, cache=None):
pool = Pool()
attachment_obj = pool.get('ir.attachment')
report_obj = pool.get('ir.action.report')
cache_uri = uri
if cache is not None:
cache.setdefault('_uri2object', {})
if cache_uri in cache['_uri2object']:
return cache['_uri2object'][cache_uri]
if not uri:
if cache is not None:
cache['_uri2object'][cache_uri] = (self._name, None)
return self._name, None
name, uri = (uri.split('/', 1) + [None])[0:2]
if object_name == self._name:
collection_ids = None
if cache is not None:
cache.setdefault('_parent2collection_ids', {})
if object_id in cache['_parent2collection_ids']:
collection_ids = cache['_parent2collection_ids'][
object_id].get(name, [])
if collection_ids is None:
collection_ids = self.search([
('parent', '=', object_id),
])
collections = self.browse(collection_ids)
collection_ids = []
if cache is not None:
cache['_parent2collection_ids'].setdefault(object_id, {})
for collection in collections:
if cache is not None:
cache['_parent2collection_ids'][object_id]\
.setdefault(collection.name, [])
cache['_parent2collection_ids'][object_id][
collection.name].append(collection.id)
cache.setdefault('_collection_name', {})
if collection.model and uri:
cache['_collection_name'][collection.id] = \
collection.model.model
else:
cache['_collection_name'][collection.id] = \
self._name
if collection.name == name:
collection_ids.append(collection.id)
if collection_ids:
object_id = collection_ids[0]
object_name2 = None
if cache is not None:
cache.setdefault('_collection_name', {})
if object_id in cache['_collection_name']:
object_name2 = cache['_collection_name'][object_id]
if object_name2 is None:
collection = self.browse(object_id)
if collection.model and uri:
object_name = collection.model.model
if cache is not None:
cache['_collection_name'][object_id] = object_name
else:
object_name = object_name2
else:
if uri:
if cache is not None:
cache['_uri2object'][cache_uri] = (None, 0)
return None, 0
attachment_ids = None
if cache is not None:
cache.setdefault('_model&id2attachment_ids', {})
if (object_name, object_id) in \
cache['_model&id2attachment_ids']:
attachment_ids = cache['_model&id2attachment_ids'][
(object_name, object_id)].get(name, [])
attachment_id = None
if attachment_ids is None:
attachment_ids = attachment_obj.search([
('resource', '=', '%s,%s' % (object_name, object_id)),
])
attachments = attachment_obj.browse(attachment_ids)
key = (object_name, object_id)
attachment_ids = []
if cache is not None:
cache['_model&id2attachment_ids'].setdefault(key, {})
for attachment in attachments:
if cache is not None:
cache.setdefault('_model&id&name2attachment_ids',
{})
cache['_model&id&name2attachment_ids'].setdefault(
key, {})
cache['_model&id&name2attachment_ids'][key]\
.setdefault(attachment.name, [])
cache['_model&id&name2attachment_ids'][key][
attachment.name].append(attachment.id)
if attachment.name == name:
attachment_id = attachment.id
else:
key = (object_name, object_id)
cache.setdefault('_model&id&name2attachment_ids', {})
cache['_model&id&name2attachment_ids'].setdefault(key, {})
attachment_id = cache['_model&id&name2attachment_ids'][
key].get(name, [None])[0]
if attachment_id:
object_name = 'ir.attachment'
object_id = attachment_id
else:
object_name = None
object_id = None
else:
splitted_name = name.rsplit('-', 1)
if len(splitted_name) != 2:
if cache is not None:
cache['_uri2object'][cache_uri] = (object_name, 0)
return object_name, 0
object_id = int(splitted_name[1].strip())
if uri:
if '/' in uri:
if cache is not None:
cache['_uri2object'][cache_uri] = (None, 0)
return None, 0
report_ids = report_obj.search([
('model', '=', object_name),
])
reports = report_obj.browse(report_ids)
for report in reports:
report_name = report.name + '-' + str(report.id) \
+ '.' + report.extension
if uri == report_name:
if cache is not None:
cache['_uri2object'][cache_uri] = \
('ir.action.report', object_id)
return 'ir.action.report', object_id
name = uri
attachment_ids = None
if cache is not None:
cache.setdefault('_model&id2attachment_ids', {})
if (object_name, object_id) in \
cache['_model&id2attachment_ids']:
attachment_ids = cache['_model&id2attachment_ids'][
(object_name, object_id)].get(name, [])
if attachment_ids is None:
attachment_ids = attachment_obj.search([
('resource', '=', '%s,%s' % (object_name, object_id)),
])
attachments = attachment_obj.browse(attachment_ids)
key = (object_name, object_id)
attachment_ids = []
if cache is not None:
cache['_model&id2attachment_ids'].setdefault(key, {})
for attachment in attachments:
if cache is not None:
cache['_model&id2attachment_ids'][key]\
.setdefault(attachment.name, [])
cache['_model&id2attachment_ids'][key][
attachment.name].append(attachment.id)
if attachment.name == name:
attachment_ids.append(attachment.id)
if attachment_ids:
object_name = 'ir.attachment'
object_id = attachment_ids[0]
else:
object_name = None
object_id = None
if cache is not None:
cache['_uri2object'][cache_uri] = (object_name, object_id)
return object_name, object_id
if uri:
res = self._uri2object(uri, object_name, object_id, cache=cache)
if cache is not None:
cache['_uri2object'][cache_uri] = res
return res
if cache is not None:
cache['_uri2object'][cache_uri] = (object_name, object_id)
return object_name, object_id
def get_childs(self, uri, filter=None, cache=None):
pool = Pool()
report_obj = pool.get('ir.action.report')
res = []
if filter:
return []
if not uri:
collection_ids = self.search([
('parent', '=', None),
])
for collection in self.browse(collection_ids):
if '/' in collection.name:
continue
res.append(collection.name)
if cache is not None:
cache.setdefault(self._name, {})
cache[self._name][collection.id] = {}
return res
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name == self._name and object_id:
collection = self.browse(object_id)
if collection.model:
model_obj = pool.get(collection.model.model)
if not model_obj:
return res
model_ids = model_obj.search(
safe_eval(collection.domain or "[]"))
for child in model_obj.browse(model_ids):
if '/' in child.rec_name:
continue
res.append(child.rec_name + '-' + str(child.id))
if cache is not None:
cache.setdefault(model_obj._name, {})
cache[model_obj._name][child.id] = {}
return res
else:
for child in collection.childs:
if '/' in child.name:
continue
res.append(child.name)
if cache is not None:
cache.setdefault(self._name, {})
cache[self._name][child.id] = {}
if object_name not in ('ir.attachment', 'ir.action.report'):
report_ids = report_obj.search([
('model', '=', object_name),
])
reports = report_obj.browse(report_ids)
for report in reports:
report_name = report.name + '-' + str(report.id) \
+ '.' + report.extension
if '/' in report_name:
continue
res.append(report_name)
if cache is not None:
cache.setdefault(report_obj._name, {})
cache[report_obj._name][report.id] = {}
attachment_obj = pool.get('ir.attachment')
attachment_ids = attachment_obj.search([
('resource', '=', '%s,%s' % (object_name, object_id)),
])
for attachment in attachment_obj.browse(attachment_ids):
if attachment.name and not attachment.link:
if '/' in attachment.name:
continue
res.append(attachment.name)
if cache is not None:
cache.setdefault(attachment_obj._name, {})
cache[attachment_obj._name][attachment.id] = {}
return res
def get_resourcetype(self, uri, cache=None):
from pywebdav.lib.constants import COLLECTION, OBJECT
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name in ('ir.attachment', 'ir.action.report'):
return OBJECT
return COLLECTION
def get_displayname(self, uri, cache=None):
object_name, object_id = self._uri2object(uri, cache=cache)
model_obj = Pool().get(object_name)
return model_obj.browse(object_id).rec_name
def get_contentlength(self, uri, cache=None):
pool = Pool()
attachment_obj = pool.get('ir.attachment')
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name == 'ir.attachment':
if cache is not None:
cache.setdefault('ir.attachment', {})
ids = cache['ir.attachment'].keys()
if object_id not in ids:
ids.append(object_id)
elif 'contentlength' in cache['ir.attachment'][object_id]:
return cache['ir.attachment'][object_id]['contentlength']
else:
ids = [object_id]
attachments = attachment_obj.browse(ids)
res = '0'
for attachment in attachments:
size = '0'
try:
if attachment.data_size:
size = str(attachment.data_size)
except Exception:
pass
if attachment.id == object_id:
res = size
if cache is not None:
cache['ir.attachment'].setdefault(attachment.id, {})
cache['ir.attachment'][attachment.id]['contentlength'] = \
size
return res
return '0'
def get_contenttype(self, uri, cache=None):
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name in ('ir.attachment', 'ir.action.report'):
ext = os.path.splitext(uri)[1]
if not ext:
return "application/octet-stream"
return self.ext2mime.get(ext, 'application/octet-stream')
return "application/octet-stream"
def get_creationdate(self, uri, cache=None):
pool = Pool()
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name == 'ir.attachment':
model_obj = pool.get(object_name)
if object_id:
if cache is not None:
cache.setdefault(model_obj._name, {})
ids = cache[model_obj._name].keys()
if object_id not in ids:
ids.append(object_id)
elif 'creationdate' in cache[model_obj._name][object_id]:
return cache[model_obj._name][object_id][
'creationdate']
else:
ids = [object_id]
res = None
cursor = Transaction().cursor
for i in range(0, len(ids), cursor.IN_MAX):
sub_ids = ids[i:i + cursor.IN_MAX]
red_sql, red_ids = reduce_ids('id', sub_ids)
cursor.execute('SELECT id, '
'EXTRACT(epoch FROM create_date) '
'FROM "' + model_obj._table + '" '
'WHERE ' + red_sql, red_ids)
for object_id2, date in cursor.fetchall():
if object_id2 == object_id:
res = date
if cache is not None:
cache[model_obj._name].setdefault(object_id2, {})
cache[model_obj._name][object_id2][
'creationdate'] = date
if res is not None:
return res
return time.time()
def get_lastmodified(self, uri, cache=None):
pool = Pool()
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name == 'ir.attachment':
model_obj = pool.get(object_name)
if object_id:
if cache is not None:
cache.setdefault(model_obj._name, {})
ids = cache[model_obj._name].keys()
if object_id not in ids:
ids.append(object_id)
elif 'lastmodified' in cache[model_obj._name][object_id]:
return cache[model_obj._name][object_id][
'lastmodified']
else:
ids = [object_id]
res = None
cursor = Transaction().cursor
for i in range(0, len(ids), cursor.IN_MAX):
sub_ids = ids[i:i + cursor.IN_MAX]
red_sql, red_ids = reduce_ids('id', sub_ids)
cursor.execute('SELECT id, '
'EXTRACT(epoch FROM '
'COALESCE(write_date, create_date)) '
'FROM "' + model_obj._table + '" '
'WHERE ' + red_sql, red_ids)
for object_id2, date in cursor.fetchall():
if object_id2 == object_id:
res = date
if cache is not None:
cache[model_obj._name].setdefault(object_id2, {})
cache[model_obj._name][object_id2][
'lastmodified'] = date
if res is not None:
return res
return time.time()
def get_data(self, uri, cache=None):
from pywebdav.lib.errors import DAV_NotFound
pool = Pool()
attachment_obj = pool.get('ir.attachment')
report_obj = pool.get('ir.action.report')
if uri:
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name == 'ir.attachment' and object_id:
if cache is not None:
cache.setdefault('ir.attachment', {})
ids = cache['ir.attachment'].keys()
if object_id not in ids:
ids.append(object_id)
elif 'data' in cache['ir.attachment'][object_id]:
res = cache['ir.attachment'][object_id]['data']
if res == DAV_NotFound:
raise DAV_NotFound
return res
else:
ids = [object_id]
attachments = attachment_obj.browse(ids)
res = DAV_NotFound
for attachment in attachments:
data = DAV_NotFound
try:
if attachment.data is not None:
data = attachment.data
except Exception:
pass
if attachment.id == object_id:
res = data
if cache is not None:
cache['ir.attachment'].setdefault(attachment.id, {})
cache['ir.attachment'][attachment.id]['data'] = data
if res == DAV_NotFound:
raise DAV_NotFound
return res
if object_name == 'ir.action.report' and object_id:
report_id = int(uri.rsplit('/', 1)[-1].rsplit('-',
1)[-1].rsplit('.', 1)[0])
report = report_obj.browse(report_id)
if report.report_name:
report_obj = pool.get(report.report_name,
type='report')
val = report_obj.execute([object_id],
{'id': object_id, 'ids': [object_id]})
return val[1]
raise DAV_NotFound
def put(self, uri, data, content_type, cache=None):
from pywebdav.lib.errors import DAV_Forbidden
from pywebdav.lib.utils import get_uriparentpath, get_urifilename
object_name, object_id = self._uri2object(get_uriparentpath(uri),
cache=cache)
if not object_name \
or object_name in ('ir.attachment') \
or not object_id:
raise DAV_Forbidden
pool = Pool()
attachment_obj = pool.get('ir.attachment')
object_name2, object_id2 = self._uri2object(uri, cache=cache)
if not object_id2:
name = get_urifilename(uri)
try:
attachment_obj.create({
'name': name,
'data': data,
'resource': '%s,%s' % (object_name, object_id),
})
except Exception:
raise DAV_Forbidden
else:
try:
attachment_obj.write(object_id2, {
'data': data,
})
except Exception:
raise DAV_Forbidden
return
def mkcol(self, uri, cache=None):
from pywebdav.lib.errors import DAV_Forbidden
from pywebdav.lib.utils import get_uriparentpath, get_urifilename
if uri[-1:] == '/':
uri = uri[:-1]
object_name, object_id = self._uri2object(get_uriparentpath(uri),
cache=cache)
if object_name != 'webdav.collection':
raise DAV_Forbidden
name = get_urifilename(uri)
try:
self.create({
'name': name,
'parent': object_id,
})
except Exception:
raise DAV_Forbidden
return 201
def rmcol(self, uri, cache=None):
from pywebdav.errors import DAV_Forbidden
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name != 'webdav.collection' \
or not object_id:
raise DAV_Forbidden
try:
self.delete(object_id)
except Exception:
raise DAV_Forbidden
return 200
def rm(self, uri, cache=None):
from pywebdav.errors import DAV_Forbidden
object_name, object_id = self._uri2object(uri, cache=cache)
if not object_name:
raise DAV_Forbidden
if object_name != 'ir.attachment' \
or not object_id:
raise DAV_Forbidden
pool = Pool()
model_obj = pool.get(object_name)
try:
model_obj.delete(object_id)
except Exception:
raise DAV_Forbidden
return 200
def exists(self, uri, cache=None):
object_name, object_id = self._uri2object(uri, cache=cache)
if object_name and object_id:
return 1
return None
def current_user_privilege_set(self, uri, cache=None):
return ['create', 'read', 'write', 'delete']
Collection()
class Share(ModelSQL, ModelView):
"Share"
_name = 'webdav.share'
_description = __doc__
_rec_name = 'key'
path = fields.Char('Path', required=True, select=True)
key = fields.Char('Key', required=True, select=True,
states={
'readonly': True,
})
user = fields.Many2One('res.user', 'User', required=True)
expiration_date = fields.Date('Expiration Date', required=True)
note = fields.Text('Note')
url = fields.Function(fields.Char('URL'), 'get_url')
def default_key(self):
return uuid.uuid4().hex
def default_user(self):
return Transaction().user
def default_expiration_date(self):
return datetime.date.today() + relativedelta(months=1)
def get_url(self, ids, name):
urls = {}
webdav_url = get_webdav_url()
for share in self.browse(ids):
urls[share.id] = urlparse.urljoin(webdav_url,
urlparse.urlunsplit((None, None, urllib.quote(share.path),
urllib.urlencode([('key', share.key)]), None)))
return urls
def match(self, share, command, path):
"Test if share match with command and path"
today = datetime.date.today()
return (path.startswith(share.path)
and share.expiration_date > today
and command == 'GET')
def get_login(self, key, command, path):
"""Validate the key for the command and path
Return the user id if succeed or None
"""
share_ids = self.search([
('key', '=', key),
])
if not share_ids:
return None
for share in self.browse(share_ids):
if self.match(share, command, path):
return share.user.id
return None
Share()
class Attachment(ModelSQL, ModelView):
_name = 'ir.attachment'
path = fields.Function(fields.Char('Path'), 'get_path')
url = fields.Function(fields.Char('URL'), 'get_url')
shares = fields.Function(fields.One2Many('webdav.share', None, 'Shares',
domain=[
('path', '=', Eval('path')),
],
depends=['path']), 'get_shares', 'set_shares')
def __init__(self):
super(Attachment, self).__init__()
self._constraints += [
('check_collection', 'collection_attachment_name'),
]
self._error_messages.update({
'collection_attachment_name': ('You can not create an attachment\n'
'in a collection with the name\n'
'of an existing child collection!'),
})
def check_collection(self, ids):
pool = Pool()
collection_obj = pool.get('webdav.collection')
for attachment in self.browse(ids):
if attachment.resource:
model_name, record_id = attachment.resource.split(',')
if model_name == 'webdav.collection':
collection = collection_obj.browse(int(record_id))
for child in collection.childs:
if child.name == attachment.name:
return False
return True
def get_path(self, ids, name):
pool = Pool()
collection_obj = pool.get('webdav.collection')
paths = dict((x, None) for x in ids)
attachments = self.browse(ids)
resources = {}
resource2attachments = {}
for attachment in attachments:
if not attachment.resource:
paths[attachment.id] = None
model_name, record_id = attachment.resource.split(',')
record_id = int(record_id)
resources.setdefault(model_name, set()).add(record_id)
resource2attachments.setdefault((model_name, record_id),
[]).append(attachment)
collection_ids = collection_obj.search([
('model.model', 'in', resources.keys()),
])
for collection in collection_obj.browse(collection_ids):
model_name = collection.model.model
model_obj = pool.get(model_name)
ids = list(resources[model_name])
domain = safe_eval(collection.domain or '[]')
domain = [domain, ('id', 'in', ids)]
record_ids = model_obj.search(domain)
for record in model_obj.browse(record_ids):
for attachment in resource2attachments[
(model_name, record.id)]:
paths[attachment.id] = '/'.join((collection.rec_name,
record.rec_name + '-' + str(record.id),
attachment.name))
if 'webdav.collection' in resources:
collection_ids = list(resources['webdav.collection'])
for collection in collection_obj.browse(collection_ids):
for attachment in resource2attachments[
('webdav.collection', collection.id)]:
paths[attachment.id] = '/'.join((collection.rec_name,
attachment.name))
return paths
def get_url(self, ids, name):
webdav_url = get_webdav_url()
urls = {}
for attachment in self.browse(ids):
if attachment.path:
urls[attachment.id] = urlparse.urljoin(webdav_url,
urllib.quote(attachment.path))
else:
urls[attachment.id] = None
return urls
def get_shares(self, ids, name):
share_obj = Pool().get('webdav.share')
shares = dict((x, []) for x in ids)
attachements = self.browse(ids)
path2attachement = dict((a.path, a) for a in attachements)
share_ids = share_obj.search([
('path', 'in', path2attachement.keys()),
])
for share in share_obj.browse(share_ids):
attachment = path2attachement[share.path]
shares[attachment.id].append(share.id)
return shares
def set_shares(self, ids, name, value):
share_obj = Pool().get('webdav.share')
if not value:
return
attachments = self.browse(ids)
for action in value:
if action[0] == 'create':
for attachment in attachments:
action[1]['path'] = attachment.path
share_obj.create(action[1])
elif action[0] == 'write':
share_obj.write(action[1], action[2])
elif action[0] == 'delete':
share_obj.delete(action[1])
elif action[0] == 'delete_all':
paths = [a.path for a in attachments]
share_ids = share_obj.search([
('path', 'in', paths),
])
share_obj.delete(share_ids)
elif action[0] == 'unlink':
pass
elif action[0] == 'add':
pass
elif action[0] == 'unlink_all':
pass
elif action[0] == 'set':
pass
else:
raise Exception('Bad arguments')
Attachment()