def __call__(self, environ, start_response):
request = webob.Request(environ)
m = re_bitblt.search(request.path_info)
if m is not None:
width = m.group('width')
height = m.group('height')
signature = m.group('signature')
verified = verify_signature(width, height, self.secret, signature)
# remove bitblt part in path info
request.path_info = re_bitblt.sub("", request.path_info)
else:
verified = width = height = None
response = request.get_response(self.app)
if response.content_type and response.content_type.startswith('text/html'):
if not len(response.body):
return response(environ, start_response)
if self.limit_to_application_url:
app_url = request.application_url
else:
app_url = None
response.body = rewrite_image_tags(response.body, self.secret,
app_url=app_url,
try_xhtml=self.try_xhtml)
if response.content_type and response.content_type.startswith('image/'):
if verified and (width or height):
try:
if width == 'None':
width = None
else:
width = int(width)
if height == 'None':
height = None
else:
height = int(height)
size = (width, height)
except (ValueError, TypeError):
raise ValueError(
"Width and height parameters must be integers.")
app_iter = response.app_iter
if not hasattr(app_iter, 'read'):
app_iter = StringIO("".join(app_iter))
body = self.process(app_iter, size)
response.body = body
return response(environ, start_response)
def __call__(self, environ, start_response):
path_info = environ['PATH_INFO']
m = re_bitblt.search(path_info)
if m is not None:
width = m.group('width')
height = m.group('height')
signature = m.group('signature')
verified = verify_signature(width, height, self.secret, signature)
# remove bitblt part in path info
full_path_info = path_info
environ['PATH_INFO'] = re_bitblt.sub("", path_info)
else:
verified = width = height = None
request = webob.Request(environ)
response = request.get_response(self.app)
if response.content_type and \
response.content_type.startswith('text/html') and \
response.charset:
if not len(response.body):
return response(environ, start_response)
if self.limit_to_application_url:
app_url = request.application_url
else:
app_url = None
response.unicode_body = rewrite_image_tags(
response.unicode_body, self.secret,
app_url=app_url)
if response.content_type and response.content_type.startswith('image/'):
if verified and (width or height):
try:
if width == 'None':
width = None
else:
width = int(width)
if height == 'None':
height = None
else:
height = int(height)
if width <= 0:
width = 1
if height <= 0:
height = 1
size = (width, height)
except (ValueError, TypeError):
raise ValueError(
"Width and height parameters must be integers.")
if request.method == 'HEAD':
# Remove the content_lenght header as it's guarenteed
# to be wrong. If this were not a HEAD, we would resize.
response.content_length = None
# Don't attempt to resize, our body may not be there.
return response(environ, start_response)
app_iter = response.app_iter
if not hasattr(app_iter, 'read'):
app_iter = StringIO("".join(app_iter))
if self.cache:
cache_key = urlsafe_b64encode(full_path_info)
cache_file = os.path.join(self.cache, cache_key)
if os.path.exists(cache_file):
f = open(cache_file)
body = f.read()
f.close()
else:
body = self.process(app_iter, size)
f = open(cache_file, 'w+')
f.write(body)
f.close()
else:
body = self.process(app_iter, size)
response.body = body
return response(environ, start_response)
def __call__(self, environ, start_response):
path_info = environ['PATH_INFO']
m = re_bitblt.search(path_info)
if m is not None:
width = m.group('width')
height = m.group('height')
signature = m.group('signature')
verified = verify_signature(width, height, self.secret, signature)
# remove bitblt part in path info
full_path_info = path_info
environ['PATH_INFO'] = re_bitblt.sub("", path_info)
else:
verified = width = height = None
request = webob.Request(environ)
response = request.get_response(self.app)
if response.content_type and \
response.content_type.startswith('text/html') and \
response.charset:
if not len(response.body):
return response(environ, start_response)
if self.limit_to_application_url:
app_url = request.application_url
else:
app_url = None
response.unicode_body = rewrite_image_tags(response.unicode_body,
self.secret,
app_url=app_url)
if response.content_type and response.content_type.startswith(
'image/'):
if verified and (width or height):
try:
if width == 'None':
width = None
else:
width = int(width)
if height == 'None':
height = None
else:
height = int(height)
size = (width, height)
except (ValueError, TypeError):
raise ValueError(
"Width and height parameters must be integers.")
if request.method == 'HEAD':
# Remove the content_lenght header as it's guarenteed
# to be wrong. If this were not a HEAD, we would resize.
response.content_length = None
# Don't attempt to resize, our body may not be there.
return response(environ, start_response)
app_iter = response.app_iter
if not hasattr(app_iter, 'read'):
app_iter = StringIO("".join(app_iter))
if self.cache:
cache_key = urlsafe_b64encode(full_path_info)
cache_file = os.path.join(self.cache, cache_key)
if os.path.exists(cache_file):
f = open(cache_file)
body = f.read()
f.close()
else:
body = self.process(app_iter, size)
f = open(cache_file, 'w+')
f.write(body)
f.close()
else:
body = self.process(app_iter, size)
response.body = body
return response(environ, start_response)
