def _setData(self, data):
'''Set the image data.
Nicked from the Zope 3 Image and File classes.
ARGUMENTS
data: A string containing the data to set.
RETURNS
None.
SIDE EFFECTS
Sets "self._data" to contain the data.
Sets "self._size" to the length of the data.
Sets "self._contentType" to the content type of the image.
Sets "self._width" to the width of the image.
Sets "self._height" to the height of the image.'''
if type(data) == str:
_d = data
elif type(data) == file:
_d = data.read()
else:
m = 'Data is a {0} not a string or file'.format(type(data))
raise TypeError(m)
assert isinstance(_d, str)
self._data = _d
self._size = len(_d)
self._contentType, self._width, self._height = getImageInfo(_d)
self._pilImage = None
assert isinstance(self._width, int)
assert isinstance(self._height, int)
def _setData(self, data):
'''Set the image data.
Nicked from the Zope 3 Image and File classes.
ARGUMENTS
data: A string containing the data to set.
RETURNS
None.
SIDE EFFECTS
Sets "self._data" to contain the data.
Sets "self._size" to the length of the data.
Sets "self._contentType" to the content type of the image.
Sets "self._width" to the width of the image.
Sets "self._height" to the height of the image.'''
if type(data) == str:
_d = data
elif type(data) == file:
_d = data.read()
else:
m = 'Data is a {0} not a string or file'.format(type(data))
raise TypeError(m)
assert isinstance(_d, str)
self._data = _d
self._size = len(_d)
self._contentType, self._width, self._height = getImageInfo(_d)
self._pilImage = None
assert isinstance(self._width, int)
assert isinstance(self._height, int)
def __call__(self, name, content_type, data):
if not content_type and data:
content_type, width, height = getImageInfo(data)
if not content_type:
content_type, encoding = guess_content_type(name, '', '')
res = LocalFsFile(
name, os.path.join(self.context.abspath, name), content_type)
res.__parent__ = self.context
return res
def test_getImageInfo_bmp(self):
from zope.app.file.image import getImageInfo
t, w, h = getImageInfo('BMl\x05\x00\x00\x00\x00\x00\x006\x04\x00\x00('
'\x00\x00\x00\x10\x00\x00\x00\x10\x00\x00\x00'
'\x01\x00\x08\x00\x01\x00\x00\x006\x01\x00\x00'
'\x12\x0b\x00\x00\x12\x0b\x00\x00\x00\x01\x00'
'... and so on ...')
self.assertEqual(t, "image/x-ms-bmp")
self.assertEqual(w, 16)
self.assertEqual(h, 16)
def test_getImageInfo_bmp(self):
from zope.app.file.image import getImageInfo
t, w, h = getImageInfo('BMl\x05\x00\x00\x00\x00\x00\x006\x04\x00\x00('
'\x00\x00\x00\x10\x00\x00\x00\x10\x00\x00\x00'
'\x01\x00\x08\x00\x01\x00\x00\x006\x01\x00\x00'
'\x12\x0b\x00\x00\x12\x0b\x00\x00\x00\x01\x00'
'... and so on ...')
self.assertEqual(t, "image/x-ms-bmp")
self.assertEqual(w, 16)
self.assertEqual(h, 16)
def __init__(self, path='', contentType=''):
self.path = path
_data = open(os.path.normpath(self.path), 'rb').read()
self._size = len(_data)
self._fileMode = 'rb'
self._encoding = DEFAULT_ENCODING
if contentType=='':
content_type, encoding = guess_content_type(self.path, _data, '')
if content_type.startswith('image/'):
self.contentType, width, height = getImageInfo(_data)
else:
self.contentType = content_type
if self.contentType.startswith('text/'):
self._fileMode = 'r'
if encoding:
self._encoding = encoding
def __init__(self, path='', contentType=''):
self.path = path
with open(os.path.normpath(self.path), 'rb') as f:
_data = f.read()
self._size = len(_data)
self._fileMode = 'rb'
encoding = None
if contentType == '':
content_type, encoding = guess_content_type(self.path, _data, '')
if content_type.startswith('image/'):
self.contentType, _width, _height = getImageInfo(_data)
else:
self.contentType = content_type
self._encoding = encoding or DEFAULT_ENCODING
if self.contentType.startswith('text/'):
self._fileMode = 'r'
def _info(self, data):
from zope.app.file.image import getImageInfo
return getImageInfo(data)
def test_getImageInfo(self):
from zope.app.file.image import getImageInfo
t, w, h = getImageInfo("\xff\xd8\xff\xe0\x00\x10JFIF\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00\xff\xdb\x00C")
def f(self, REQUEST, RESPONSE):
""" A really short name for a file, enabling fetching a file like:
/SOMEFILESAREA/f/FILEID/FILE_NAME
Security is effectively handed off to get_file, so use extreme
caution.
Images may also be handled like this:
/SOMEFILESAREA/f/FILEID/resize/WIDTH/HEIGHT/FILE_NAME
eg.
/myfilearea/f/12211/resize/640/480/myimg.jpg
"""
requestInfo = RequestInfo(REQUEST)
REQUEST.form['id'] = requestInfo.fileId
if (self.has_public_access(requestInfo.fileId)):
m = 'Allowing access, because "{0}" is still under the '\
'public-access period.'
msg = m.format(requestInfo.fileId)
log.info(msg)
elif (getSecurityManager().checkPermission('View', self)):
m = 'The user has permission to view "{0}".'
msg = m.format(requestInfo.fileId)
log.info(msg)
else: # Lacking permission and the public-access period has passed.
# FIXME: handle Forbidden errors better
# m = 'You do not have permission to view the file "{0}"'
# raise Forbidden(m.format(fileId))
#
# For reasons to do with aquisition being awful use the redirector
# as the came_from
u = '/login.html?came_from=/r/file/{0}'
uri = u.format(requestInfo.fileId)
m = 'Redirecting to <{0}> because there the public-access for '\
'file "{1}" has passed, and the user lacks permission.'
msg = m.format(uri, requestInfo.fileId)
log.info(msg)
return self.REQUEST.RESPONSE.redirect(uri)
try:
if (requestInfo.isSquare or requestInfo.isResize):
# we set data_only=True in case the backend uses sendfile
data = self.get_file(REQUEST, RESPONSE, data_only=True)
else:
data = self.get_file(REQUEST, RESPONSE)
except Hidden as h: # lint:ok
# --=mpj17=-- The post that includes this file is hidden.
# By extension, this means the file is hidden. We *could*
# just pass up a zExceptions.Unauthorized error up, but
# that error would confuse the admins. Instead we will show
# a page that explains what is going on.
self.REQUEST.form['q'] = self.REQUEST.URL
self.REQUEST.form['f'] = self.REQUEST.form.get('id', '')
ctx = self.aq_parent.files
#ctx = self.Scripts.get.group_object().files
retval = getMultiAdapter((ctx, self.REQUEST),
name="file_hidden.html")()
return retval
if not data:
fid = self.REQUEST.form.get('id', '')
log.warn("No data found for %s." % fid)
raise NotFound(self, fid, self.REQUEST)
if requestInfo.isImageRequest:
content_type, img_width, img_height = getImageInfo(data)
img = None
if (content_type): # Check to see if we are actually and image
sendfile_header = self.get_xsendfile_header(REQUEST, RESPONSE)
if ((requestInfo.width == img_width)
and (requestInfo.height == img_height)):
log.debug("Not resizing image, existing height and width "
"were the same as requested size")
elif requestInfo.isResize:
handler = ImageHandler(requestInfo.width,
requestInfo.height, sendfile_header)
img = handler.get_image_response(data, REQUEST, RESPONSE)
elif requestInfo.isSquare:
handler = SquareImageHandler(requestInfo.squareSize,
sendfile_header)
img = handler.get_image_response(data, REQUEST, RESPONSE)
data = data if img is None else img
return data
def f(self, REQUEST, RESPONSE):
""" A really short name for a file, enabling fetching a file like:
/SOMEFILESAREA/f/FILEID/FILE_NAME
Security is effectively handed off to get_file, so use extreme
caution.
Images may also be handled like this:
/SOMEFILESAREA/f/FILEID/resize/WIDTH/HEIGHT/FILE_NAME
eg.
/myfilearea/f/12211/resize/640/480/myimg.jpg
"""
requestInfo = RequestInfo(REQUEST)
REQUEST.form['id'] = requestInfo.fileId
if (self.has_public_access(requestInfo.fileId)):
m = 'Allowing access, because "{0}" is still under the '\
'public-access period.'
msg = m.format(requestInfo.fileId)
log.info(msg)
elif (getSecurityManager().checkPermission('View', self)):
m = 'The user has permission to view "{0}".'
msg = m.format(requestInfo.fileId)
log.info(msg)
else: # Lacking permission and the public-access period has passed.
# FIXME: handle Forbidden errors better
# m = 'You do not have permission to view the file "{0}"'
# raise Forbidden(m.format(fileId))
#
# For reasons to do with aquisition being awful use the redirector
# as the came_from
u = '/login.html?came_from=/r/file/{0}'
uri = u.format(requestInfo.fileId)
m = 'Redirecting to <{0}> because there the public-access for '\
'file "{1}" has passed, and the user lacks permission.'
msg = m.format(uri, requestInfo.fileId)
log.info(msg)
return self.REQUEST.RESPONSE.redirect(uri)
try:
if (requestInfo.isSquare or requestInfo.isResize):
# we set data_only=True in case the backend uses sendfile
data = self.get_file(REQUEST, RESPONSE, data_only=True)
else:
data = self.get_file(REQUEST, RESPONSE)
except Hidden as h: # lint:ok
# --=mpj17=-- The post that includes this file is hidden.
# By extension, this means the file is hidden. We *could*
# just pass up a zExceptions.Unauthorized error up, but
# that error would confuse the admins. Instead we will show
# a page that explains what is going on.
self.REQUEST.form['q'] = self.REQUEST.URL
self.REQUEST.form['f'] = self.REQUEST.form.get('id', '')
ctx = self.aq_parent.files
#ctx = self.Scripts.get.group_object().files
retval = getMultiAdapter((ctx, self.REQUEST),
name="file_hidden.html")()
return retval
if not data:
fid = self.REQUEST.form.get('id', '')
log.warn("No data found for %s." % fid)
raise NotFound(self, fid, self.REQUEST)
if requestInfo.isImageRequest:
content_type, img_width, img_height = getImageInfo(data)
img = None
if (content_type): # Check to see if we are actually and image
sendfile_header = self.get_xsendfile_header(REQUEST, RESPONSE)
if ((requestInfo.width == img_width)
and (requestInfo.height == img_height)):
log.debug("Not resizing image, existing height and width "
"were the same as requested size")
elif requestInfo.isResize:
handler = ImageHandler(requestInfo.width,
requestInfo.height, sendfile_header)
img = handler.get_image_response(data, REQUEST, RESPONSE)
elif requestInfo.isSquare:
handler = SquareImageHandler(requestInfo.squareSize,
sendfile_header)
img = handler.get_image_response(data, REQUEST, RESPONSE)
data = data if img is None else img
return data
def test_getImageInfo(self):
from zope.app.file.image import getImageInfo
t, w, h = getImageInfo(
"\xff\xd8\xff\xe0\x00\x10JFIF\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00\xff\xdb\x00C"
)
