Files
tryton/trytond/webdav/webdav.py
T
2012-09-24 22:16:53 +02:00

810 lines
32 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
__all__ = [
'Collection', 'Share', 'Attachment',
]
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"
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')
@classmethod
def __setup__(cls):
super(Collection, cls).__setup__()
cls._sql_constraints += [
('name_parent_uniq', 'UNIQUE (name, parent)',
'The collection name must be unique inside a collection!'),
]
cls._constraints += [
('check_recursion', 'recursive_collections'),
('check_attachment', 'collection_file_name'),
]
cls._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!',
})
cls.ext2mime = {
'.png': 'image/png',
'.odt': 'application/vnd.oasis.opendocument.text',
'.pdf': 'application/pdf',
}
@staticmethod
def default_domain():
return '[]'
def get_rec_name(self, name):
if self.parent:
return self.parent.rec_name + '/' + self.name
else:
return self.name
@classmethod
def check_attachment(cls, collections):
pool = Pool()
Attachment = pool.get('ir.attachment')
for collection in collections:
if collection.parent:
attachments = Attachment.search([
('resource', '=', '%s,%s' %
(cls.__name__, collection.parent.id)),
])
for attachment in attachments:
if attachment.name == collection.name:
return False
return True
@classmethod
def _uri2object(cls, uri, object_name=__name__, object_id=None,
cache=None):
pool = Pool()
Attachment = pool.get('ir.attachment')
Report = 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] = (cls.__name__, None)
return cls.__name__, None
name, uri = (uri.split('/', 1) + [None])[0:2]
if object_name == cls.__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:
collections = cls.search([
('parent', '=', object_id),
])
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] = \
cls.__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 = cls(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:
attachments = Attachment.search([
('resource', '=', '%s,%s' % (object_name, object_id)),
])
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
reports = Report.search([
('model', '=', object_name),
])
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:
attachments = Attachment.search([
('resource', '=', '%s,%s' % (object_name, object_id)),
])
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 = cls._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
@classmethod
def get_childs(cls, uri, filter=None, cache=None):
pool = Pool()
Report = pool.get('ir.action.report')
res = []
if filter:
return []
if not uri:
collections = cls.search([
('parent', '=', None),
])
for collection in collections:
if '/' in collection.name:
continue
res.append(collection.name)
if cache is not None:
cache.setdefault(cls.__name__, {})
cache[cls.__name__][collection.id] = {}
return res
object_name, object_id = cls._uri2object(uri, cache=cache)
if object_name == cls.__name__ and object_id:
collection = cls(object_id)
if collection.model:
Model = pool.get(collection.model.model)
if not Model:
return res
models = Model.search(
safe_eval(collection.domain or "[]"))
for child in models:
if '/' in child.rec_name:
continue
res.append(child.rec_name + '-' + str(child.id))
if cache is not None:
cache.setdefault(Model.__name__, {})
cache[Model.__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(cls.__name__, {})
cache[cls.__name__][child.id] = {}
if object_name not in ('ir.attachment', 'ir.action.report'):
reports = Report.search([
('model', '=', object_name),
])
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.__name__, {})
cache[Report.__name__][report.id] = {}
Attachment = pool.get('ir.attachment')
attachments = Attachment.search([
('resource', '=', '%s,%s' % (object_name, object_id)),
])
for attachment in attachments:
if attachment.name and not attachment.link:
if '/' in attachment.name:
continue
res.append(attachment.name)
if cache is not None:
cache.setdefault(Attachment.__name__, {})
cache[Attachment.__name__][attachment.id] = {}
return res
@classmethod
def get_resourcetype(cls, uri, cache=None):
from pywebdav.lib.constants import COLLECTION, OBJECT
object_name, object_id = cls._uri2object(uri, cache=cache)
if object_name in ('ir.attachment', 'ir.action.report'):
return OBJECT
return COLLECTION
@classmethod
def get_displayname(cls, uri, cache=None):
object_name, object_id = cls._uri2object(uri, cache=cache)
Model = Pool().get(object_name)
return Model(object_id).rec_name
@classmethod
def get_contentlength(cls, uri, cache=None):
pool = Pool()
Attachment = pool.get('ir.attachment')
object_name, object_id = cls._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.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'
@classmethod
def get_contenttype(cls, uri, cache=None):
object_name, object_id = cls._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 cls.ext2mime.get(ext, 'application/octet-stream')
return "application/octet-stream"
@classmethod
def get_creationdate(cls, uri, cache=None):
pool = Pool()
object_name, object_id = cls._uri2object(uri, cache=cache)
if object_name == 'ir.attachment':
Model = pool.get(object_name)
if object_id:
if cache is not None:
cache.setdefault(Model.__name__, {})
ids = cache[Model.__name__].keys()
if object_id not in ids:
ids.append(object_id)
elif 'creationdate' in cache[Model.__name__][object_id]:
return cache[Model.__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._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.__name__].setdefault(object_id2, {})
cache[Model.__name__][object_id2][
'creationdate'] = date
if res is not None:
return res
return time.time()
@classmethod
def get_lastmodified(cls, uri, cache=None):
pool = Pool()
object_name, object_id = cls._uri2object(uri, cache=cache)
if object_name == 'ir.attachment':
Model = pool.get(object_name)
if object_id:
if cache is not None:
cache.setdefault(Model.__name__, {})
ids = cache[Model.__name__].keys()
if object_id not in ids:
ids.append(object_id)
elif 'lastmodified' in cache[Model.__name__][object_id]:
return cache[Model.__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._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.__name__].setdefault(object_id2, {})
cache[Model.__name__][object_id2][
'lastmodified'] = date
if res is not None:
return res
return time.time()
@classmethod
def get_data(cls, uri, cache=None):
from pywebdav.lib.errors import DAV_NotFound
pool = Pool()
Attachment = pool.get('ir.attachment')
Report = pool.get('ir.action.report')
if uri:
object_name, object_id = cls._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.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(report_id)
if report.report_name:
Report = pool.get(report.report_name,
type='report')
val = Report.execute([object_id],
{'id': object_id, 'ids': [object_id]})
return val[1]
raise DAV_NotFound
@classmethod
def put(cls, 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 = cls._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 = pool.get('ir.attachment')
object_name2, object_id2 = cls._uri2object(uri, cache=cache)
if not object_id2:
name = get_urifilename(uri)
try:
Attachment.create({
'name': name,
'data': data,
'resource': '%s,%s' % (object_name, object_id),
})
except Exception:
raise DAV_Forbidden
else:
try:
Attachment.write(object_id2, {
'data': data,
})
except Exception:
raise DAV_Forbidden
return
@classmethod
def mkcol(cls, 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 = cls._uri2object(get_uriparentpath(uri),
cache=cache)
if object_name != 'webdav.collection':
raise DAV_Forbidden
name = get_urifilename(uri)
try:
cls.create({
'name': name,
'parent': object_id,
})
except Exception:
raise DAV_Forbidden
return 201
@classmethod
def rmcol(cls, uri, cache=None):
from pywebdav.errors import DAV_Forbidden
object_name, object_id = cls._uri2object(uri, cache=cache)
if object_name != 'webdav.collection' \
or not object_id:
raise DAV_Forbidden
try:
cls.delete(object_id)
except Exception:
raise DAV_Forbidden
return 200
@classmethod
def rm(cls, uri, cache=None):
from pywebdav.errors import DAV_Forbidden
object_name, object_id = cls._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 = pool.get(object_name)
try:
Model.delete(object_id)
except Exception:
raise DAV_Forbidden
return 200
@classmethod
def exists(cls, uri, cache=None):
object_name, object_id = cls._uri2object(uri, cache=cache)
if object_name and object_id:
return 1
return None
@staticmethod
def current_user_privilege_set(uri, cache=None):
return ['create', 'read', 'write', 'delete']
class Share(ModelSQL, ModelView):
"Share"
__name__ = 'webdav.share'
_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')
@staticmethod
def default_key():
return uuid.uuid4().hex
@staticmethod
def default_user():
return Transaction().user
@staticmethod
def default_expiration_date():
return datetime.date.today() + relativedelta(months=1)
def get_url(self, name):
return urlparse.urljoin(get_webdav_url(),
urlparse.urlunsplit((None, None, urllib.quote(self.path),
urllib.urlencode([('key', self.key)]), None)))
@staticmethod
def match(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')
@classmethod
def get_login(cls, key, command, path):
"""Validate the key for the command and path
Return the user id if succeed or None
"""
shares = cls.search([
('key', '=', key),
])
if not shares:
return None
for share in shares:
if cls.match(share, command, path):
return share.user.id
return None
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')
@classmethod
def __setup__(cls):
super(Attachment, cls).__setup__()
cls._constraints += [
('check_collection', 'collection_attachment_name'),
]
cls._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!'),
})
@classmethod
def check_collection(cls, attachments):
pool = Pool()
Collection = pool.get('webdav.collection')
for attachment in attachments:
if attachment.resource:
model_name, record_id = attachment.resource.split(',')
if model_name == 'webdav.collection':
collection = Collection(int(record_id))
for child in collection.childs:
if child.name == attachment.name:
return False
return True
@classmethod
def get_path(cls, attachments, name):
pool = Pool()
Collection = pool.get('webdav.collection')
paths = dict((a.id, None) for a in attachments)
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)
collections = Collection.search([
('model.model', 'in', resources.keys()),
])
for collection in collections:
model_name = collection.model.model
Model = pool.get(model_name)
ids = list(resources[model_name])
domain = safe_eval(collection.domain or '[]')
domain = [domain, ('id', 'in', ids)]
records = Model.search(domain)
for record in records:
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.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, name):
if self.path:
return urlparse.urljoin(get_webdav_url(), urllib.quote(self.path))
@classmethod
def get_shares(cls, attachments, name):
Share = Pool().get('webdav.share')
shares = dict((a.id, []) for a in attachments)
path2attachement = dict((a.path, a) for a in attachments)
shares = Share.search([
('path', 'in', path2attachement.keys()),
])
for share in shares:
attachment = path2attachement[share.path]
shares[attachment.id].append(share.id)
return shares
@classmethod
def set_shares(cls, attachments, name, value):
Share = Pool().get('webdav.share')
if not value:
return
for action in value:
if action[0] == 'create':
for attachment in attachments:
action[1]['path'] = attachment.path
Share.create(action[1])
elif action[0] == 'write':
Share.write(action[1], action[2])
elif action[0] == 'delete':
Share.delete(Share.browse(action[1]))
elif action[0] == 'delete_all':
paths = [a.path for a in attachments]
shares = Share.search([
('path', 'in', paths),
])
Share.delete(shares)
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')