100 lines
3.4 KiB
Python
100 lines
3.4 KiB
Python
#
|
|
# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
|
|
#
|
|
# 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 2 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
|
|
#
|
|
|
|
"""
|
|
Views for displaying media assets.
|
|
|
|
Authors: Johann Schimpf, Erich Seifert.
|
|
|
|
$Id$
|
|
"""
|
|
|
|
from zope.app.pagetemplate import ViewPageTemplateFile
|
|
from zope.cachedescriptors.property import Lazy
|
|
from zope.security.interfaces import Unauthorized
|
|
|
|
from loops.browser.node import NodeView
|
|
from loops.browser.resource import ResourceView, resource_macros
|
|
from loops.common import adapted
|
|
from loops.util import _
|
|
from loops import util
|
|
|
|
template = ViewPageTemplateFile('asset.pt')
|
|
|
|
|
|
class MediaAssetView(ResourceView):
|
|
|
|
@Lazy
|
|
def macro(self):
|
|
#return template.macros['asset']
|
|
if 'image/' in self.context.contentType:
|
|
return template.macros['asset']
|
|
else:
|
|
return resource_macros.macros['download']
|
|
|
|
def show(self, useAttachment=False):
|
|
versionId = self.request.get('v')
|
|
obj = self.adapted
|
|
data = obj.getData(versionId)
|
|
if not self.hasImagePermission(data):
|
|
raise Unauthorized(str(self.contextInfo))
|
|
contentType = obj.getContentType(versionId)
|
|
response = self.request.response
|
|
response.setHeader('Content-Type', contentType)
|
|
response.setHeader('Content-Length', len(data))
|
|
#if useAttachment or (
|
|
# not contentType.startswith('image/') and contentType != 'application/pdf'):
|
|
if useAttachment:
|
|
filename = obj.localFilename or getName(self.context)
|
|
#filename = urllib.quote(filename)
|
|
filename = NameChooser(getParent(self.context)).normalizeName(filename)
|
|
response.setHeader('Content-Disposition',
|
|
'attachment; filename=%s' % filename)
|
|
return data
|
|
|
|
def hasImagePermission(self, data):
|
|
if not 'image/' in self.context.contentType:
|
|
return True
|
|
if not self.isAnonymous:
|
|
# TODO: replace with real permission (loops.ViewRestrictedMedia) check
|
|
return True
|
|
maxSize = self.typeOptions('media.unauthorized_max_size')
|
|
if maxSize:
|
|
(w, h) = self.adapted.getImageSize(data=data)
|
|
if len(maxSize) > 2 and maxSize[2]:
|
|
if w * h <= int(maxSize[2]): # number of pixels
|
|
return True
|
|
if w > int(maxSize[0]):
|
|
return False
|
|
if len(maxSize) > 1 and maxSize[1] and h > int(maxSize[1]):
|
|
return False
|
|
return True
|
|
|
|
@Lazy
|
|
def additionalInfos(self):
|
|
mi = self.adapted.metaInfo
|
|
if not mi:
|
|
return []
|
|
return [dict(label=_(u'Meta Information'),
|
|
value=self.renderDescription(mi))]
|
|
|
|
|
|
class MediaAssetNodeView(NodeView):
|
|
|
|
def show(self):
|
|
return self.targetView('mediaasset.html')
|