def __call__(self):
sm = getSecurityManager()
if not sm.checkPermission(permissions.View, self.context.context):
raise Unauthorized
settings = self.context.settings
filepath = self.context.filepath
blob = settings.blob_files[filepath]
blobfi = openBlob(blob)
length = os.fstat(blobfi.fileno()).st_size
blobfi.close()
ext = os.path.splitext(os.path.normcase(filepath))[1][1:]
if ext == 'txt':
ct = 'text/plain'
else:
ct = 'image/%s' % ext
self.request.response.setHeader('Last-Modified',
rfc1123_date(self.context._p_mtime))
self.request.response.setHeader('Accept-Ranges', 'bytes')
self.request.response.setHeader("Content-Length", length)
self.request.response.setHeader('Content-Type', ct)
request_range = handleRequestRange(self.context, length, self.request,
self.request.response)
return BlobStreamIterator(blob, **request_range)
def __call__(self):
from ZODB.blob import Blob
from plone.app.blob.iterators import BlobStreamIterator
myblob = Blob()
with myblob.open('w') as fd:
fd.write('Hi, Blob!')
return BlobStreamIterator(myblob)
def _getDexterityFile(self, obj, field):
self.request.response.setHeader('Accept-Ranges', 'bytes')
self.request.response.setHeader("Content-Length", field.getSize())
self.request.response.setHeader('Content-Type', field.contentType)
request_range = handleRequestRange(obj, field.getSize(), self.request,
self.request.response)
return BlobStreamIterator(field, **request_range)
def __call__(self):
data = self.get_data()
if data:
is_blob = False
if isinstance(data, basestring):
length = len(data)
else:
is_blob = True
blobfi = openBlob(data)
length = fstat(blobfi.fileno()).st_size
blobfi.close()
self.request.response.setHeader(
'Last-Modified', rfc1123_date(self.context._p_mtime))
resp = self.request.response
resp.setHeader(
'Content-Disposition', 'inline; filename=%s.%s' %
(self.context.getId(), self.file_ext))
resp.setHeader("Content-Length", length)
resp.setHeader('Content-Type', self.content_type)
if is_blob:
resp.setHeader('Accept-Ranges', 'bytes')
range = handleRequestRange(self.context, length, self.request,
self.request.response)
return BlobStreamIterator(data, **range)
else:
return data
else:
raise NotFound
def render_attachment_preview(self, attachment):
sm = getSecurityManager()
if not sm.checkPermission(permissions.View, self.context):
raise Unauthorized
r = self.request.response
settings = Settings(attachment)
if self.preview_type not in ('large', 'normal', 'small'):
self.preview_type = 'small'
if self.page is None:
self.page = 1
filepath = u'%s/dump_%s.%s' % (self.preview_type, self.page,
settings.pdf_image_format)
blob = settings.blob_files[filepath]
blobfi = openBlob(blob)
length = os.fstat(blobfi.fileno()).st_size
blobfi.close()
ext = os.path.splitext(os.path.normcase(filepath))[1][1:]
if ext == 'txt':
ct = 'text/plain'
else:
ct = 'image/%s' % ext
r.setHeader('Content-Type', ct)
r.setHeader('Last-Modified', rfc1123_date(self.context._p_mtime))
r.setHeader('Accept-Ranges', 'bytes')
r.setHeader("Content-Length", length)
request_range = handleRequestRange(self.context, length, self.request,
self.request.response)
return BlobStreamIterator(blob, **request_range)
def __call__(self):
from ZODB.blob import Blob
from plone.app.blob.iterators import BlobStreamIterator
myblob = Blob()
f = myblob.open("w")
f.write("Hi, Blob!")
f.close()
return BlobStreamIterator(myblob)
def serve_file(self):
file = self._getFile()
self.set_headers(file)
if not INamedBlobFile.providedBy(file):
return super(Download, self).__call__()
request_range = handleRequestRange(self.context, file.getSize(),
self.request, self.request.response)
return BlobStreamIterator(file._blob, **request_range)
def __call__(self, *args, **kwargs):
resp = self.request.response
data = self._file_data()
if data is None:
raise RuntimeError('No file data contained in form')
resp.setHeader('Content-Type', data.contentType)
resp.setHeader(
'Content-Disposition',
'attachment; filename="%s"' % data.filename.encode('utf-8'))
resp.setHeader('Content-Length', data.getSize())
return BlobStreamIterator(data)
def render_attachment_preview(self, attachment):
sm = getSecurityManager()
if not sm.checkPermission(permissions.View, self.context):
raise Unauthorized
r = self.request.response
# avoid long dreaded CSRF error
annotations = IAnnotations(attachment)
if not annotations.get('collective.documentviewer', None):
safeWrite(attachment)
settings = Settings(attachment) # possibly creates annotation
if self.preview_type not in ('large', 'normal', 'small'):
self.preview_type = 'small'
if self.page is None:
self.page = 1
filepath = u'%s/dump_%s.%s' % (self.preview_type, self.page,
settings.pdf_image_format)
try:
blob = settings.blob_files[filepath]
except TypeError:
# 'NoneType' object has no attribute '__getitem__'
# happens e.g. when missing preview for stream attachment
return
blobfi = openBlob(blob)
length = os.fstat(blobfi.fileno()).st_size
blobfi.close()
ext = os.path.splitext(os.path.normcase(filepath))[1][1:]
if ext == 'txt':
ct = 'text/plain'
else:
ct = 'image/%s' % ext
r.setHeader('Content-Type', ct)
r.setHeader('Last-Modified', rfc1123_date(self.context._p_mtime))
r.setHeader('Accept-Ranges', 'bytes')
r.setHeader("Content-Length", length)
request_range = handleRequestRange(self.context, length, self.request,
self.request.response)
return BlobStreamIterator(blob, **request_range)
def render_blob_version(self):
# done much like it is done in plone.app.blob's index_html
header_value = contentDispositionHeader(
disposition='inline',
filename=self.context.getFilename().replace('.pdf', '.swf'))
blob = self.settings.data
blobfi = openBlob(blob)
length = fstat(blobfi.fileno()).st_size
blobfi.close()
self.request.response.setHeader('Last-Modified',
rfc1123_date(self.context._p_mtime))
self.request.response.setHeader('Accept-Ranges', 'bytes')
self.request.response.setHeader('Content-Disposition', header_value)
self.request.response.setHeader("Content-Length", length)
self.request.response.setHeader('Content-Type',
'application/x-shockwave-flash')
range = handleRequestRange(self.context, length, self.request,
self.request.response)
return BlobStreamIterator(blob, **range)
def __call__(self):
try:
data = self.get_data()
except IOError:
# can be from zeo client blob file weirdness with PIL
# ocassionally
logger.info('Could not get blob data', exc_info=True)
raise NotFound
if data:
is_blob = False
if isinstance(data, basestring):
length = len(data)
else:
is_blob = True
blobfi = openBlob(data)
length = fstat(blobfi.fileno()).st_size
blobfi.close()
self.request.response.setHeader(
'Last-Modified', rfc1123_date(self.context._p_mtime))
resp = self.request.response
resp.setHeader(
'Content-Disposition', 'inline; filename=%s.%s' %
(self.context.getId(), self.file_ext))
resp.setHeader("Content-Length", length)
resp.setHeader('Content-Type', self.content_type)
if is_blob:
resp.setHeader('Accept-Ranges', 'bytes')
range = handleRequestRange(self.context, length, self.request,
self.request.response)
return BlobStreamIterator(data, **range)
else:
return data
else:
raise NotFound
def getIterator(self, **kw):
""" return a filestream iterator object from the blob """
return BlobStreamIterator(self.blob, **kw)