156 lines
6.9 KiB
Python
156 lines
6.9 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from osv import fields,osv
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from osv.orm import except_orm
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import tools
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class ir_attachment(osv.osv):
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def check(self, cr, uid, ids, mode, context=None, values=None):
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"""Restricts the access to an ir.attachment, according to referred model
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In the 'document' module, it is overriden to relax this hard rule, since
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more complex ones apply there.
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"""
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if not ids:
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return
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ima = self.pool.get('ir.model.access')
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res_ids = {}
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if ids:
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if isinstance(ids, (int, long)):
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ids = [ids]
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cr.execute('SELECT DISTINCT res_model, res_id FROM ir_attachment WHERE id = ANY (%s)', (ids,))
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for rmod, rid in cr.fetchall():
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if not (rmod and rid):
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continue
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res_ids.setdefault(rmod,[]).append(rid)
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if values:
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if 'res_model' in values and 'res_id' in values:
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res_ids.setdefault(values['res_model'],[]).append(values['res_id'])
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for model, mids in res_ids.items():
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# ignore attachments that are not attached to a resource anymore when checking access rights
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# (resource was deleted but attachment was not)
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cr.execute('select id from '+self.pool.get(model)._table+' where id in %s', (tuple(mids),))
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mids = [x[0] for x in cr.fetchall()]
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self.pool.get(model).check_access_rule(cr, uid, mids, mode, context=context)
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def search(self, cr, uid, args, offset=0, limit=None, order=None,
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context=None, count=False):
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ids = super(ir_attachment, self).search(cr, uid, args, offset=offset,
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limit=limit, order=order,
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context=context, count=False)
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if not ids:
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if count:
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return 0
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return []
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models = super(ir_attachment,self).read(cr, uid, ids, ['id', 'res_model'])
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cache = {}
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ima = self.pool.get('ir.model.access')
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for m in models:
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if m['res_model']:
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if m['res_model'] not in cache:
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cache[m['res_model']] = ima.check(cr, uid, m['res_model'], 'read',
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raise_exception=False, context=context)
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if not cache[m['res_model']]:
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ids.remove(m['id'])
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if count:
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return len(ids)
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return ids
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def read(self, cr, uid, ids, fields_to_read=None, context=None, load='_classic_read'):
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self.check(cr, uid, ids, 'read', context=context)
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return super(ir_attachment, self).read(cr, uid, ids, fields_to_read, context, load)
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def write(self, cr, uid, ids, vals, context=None):
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self.check(cr, uid, ids, 'write', context=context, values=vals)
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return super(ir_attachment, self).write(cr, uid, ids, vals, context)
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def copy(self, cr, uid, id, default=None, context=None):
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self.check(cr, uid, [id], 'write', context=context)
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return super(ir_attachment, self).copy(cr, uid, id, default, context)
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def unlink(self, cr, uid, ids, context=None):
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self.check(cr, uid, ids, 'unlink', context=context)
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return super(ir_attachment, self).unlink(cr, uid, ids, context)
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def create(self, cr, uid, values, context=None):
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self.check(cr, uid, [], mode='create', context=context, values=values)
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return super(ir_attachment, self).create(cr, uid, values, context)
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def action_get(self, cr, uid, context=None):
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return self.pool.get('ir.actions.act_window').for_xml_id(
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cr, uid, 'base', 'action_attachment', context=context)
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def _name_get_resname(self, cr, uid, ids, object,method, context):
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data = {}
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for attachment in self.browse(cr, uid, ids, context=context):
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model_object = attachment.res_model
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res_id = attachment.res_id
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if model_object and res_id:
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model_pool = self.pool.get(model_object)
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res = model_pool.name_get(cr,uid,[res_id],context)
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data[attachment.id] = (res and res[0][1]) or False
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else:
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data[attachment.id] = False
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return data
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_name = 'ir.attachment'
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_columns = {
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'name': fields.char('Attachment Name',size=256, required=True),
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'datas': fields.binary('Data'),
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'datas_fname': fields.char('Filename',size=256),
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'description': fields.text('Description'),
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'res_name': fields.function(_name_get_resname, type='char', size=128,
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string='Resource Name', method=True, store=True),
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'res_model': fields.char('Resource Object',size=64, readonly=True,
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help="The database object this attachment will be attached to"),
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'res_id': fields.integer('Resource ID', readonly=True,
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help="The record id this is attached to"),
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'url': fields.char('Url', size=512, oldname="link"),
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'type': fields.selection(
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[ ('url','URL'), ('binary','Binary'), ],
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'Type', help="Binary File or external URL", required=True, change_default=True),
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'create_date': fields.datetime('Date Created', readonly=True),
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'create_uid': fields.many2one('res.users', 'Owner', readonly=True),
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'company_id': fields.many2one('res.company', 'Company', change_default=True),
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}
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_defaults = {
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'type': 'binary',
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'company_id': lambda s,cr,uid,c: s.pool.get('res.company')._company_default_get(cr, uid, 'ir.attachment', context=c),
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}
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def _auto_init(self, cr, context=None):
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super(ir_attachment, self)._auto_init(cr, context)
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cr.execute('SELECT indexname FROM pg_indexes WHERE indexname = %s', ('ir_attachment_res_idx',))
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if not cr.fetchone():
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cr.execute('CREATE INDEX ir_attachment_res_idx ON ir_attachment (res_model, res_id)')
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cr.commit()
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ir_attachment()
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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