def execute_image_operations(self):
self.context.request.quality = None
req = self.context.request
conf = self.context.config
req.extension = splitext(req.image_url)[-1].lower()
should_store = self.context.config.RESULT_STORAGE_STORES_UNSAFE or not self.context.request.unsafe
if self.context.modules.result_storage and should_store:
start = datetime.datetime.now()
result = self.context.modules.result_storage.get()
finish = datetime.datetime.now()
self.context.statsd_client.timing('result_storage.incoming_time', total_seconds_of(finish - start) * 1000)
if result is None:
self.context.statsd_client.incr('result_storage.miss')
else:
self.context.statsd_client.incr('result_storage.hit')
self.context.statsd_client.incr('result_storage.bytes_read', len(result))
if result is not None:
mime = BaseEngine.get_mimetype(result)
if mime == '.gif' and self.context.config.USE_GIFSICLE_ENGINE:
self.context.request.engine = GifEngine(self.context)
self.context.request.engine.load(result, '.gif')
else:
self.context.request.engine = self.context.modules.engine
logger.debug('[RESULT_STORAGE] IMAGE FOUND: %s' % req.url)
self.finish_request(self.context, result)
return
if conf.MAX_WIDTH and (not isinstance(req.width, basestring)) and req.width > conf.MAX_WIDTH:
req.width = conf.MAX_WIDTH
if conf.MAX_HEIGHT and (not isinstance(req.height, basestring)) and req.height > conf.MAX_HEIGHT:
req.height = conf.MAX_HEIGHT
req.meta_callback = conf.META_CALLBACK_NAME or self.request.arguments.get('callback', [None])[0]
self.filters_runner = self.context.filters_factory.create_instances(self.context, self.context.request.filters)
self.filters_runner.apply_filters(thumbor.filters.PHASE_PRE_LOAD, self.get_image)
def execute_image_operations(self):
self.context.request.quality = None
req = self.context.request
conf = self.context.config
req.extension = splitext(req.image_url)[-1].lower()
should_store = self.context.config.RESULT_STORAGE_STORES_UNSAFE or not self.context.request.unsafe
if self.context.modules.result_storage and should_store:
start = datetime.datetime.now()
result = self.context.modules.result_storage.get()
finish = datetime.datetime.now()
self.context.statsd_client.timing('result_storage.incoming_time', total_seconds_of(finish - start) * 1000)
if result is None:
self.context.statsd_client.incr('result_storage.miss')
else:
self.context.statsd_client.incr('result_storage.hit')
self.context.statsd_client.incr('result_storage.bytes_read', len(result))
if result is not None:
mime = BaseEngine.get_mimetype(result)
if mime == '.gif' and self.context.config.USE_GIFSICLE_ENGINE:
self.context.request.engine = GifEngine(self.context)
self.context.request.engine.load(result, '.gif')
else:
self.context.request.engine = self.context.modules.engine
logger.debug('[RESULT_STORAGE] IMAGE FOUND: %s' % req.url)
self.finish_request(self.context, result)
return
if conf.MAX_WIDTH and (not isinstance(req.width, basestring)) and req.width > conf.MAX_WIDTH:
req.width = conf.MAX_WIDTH
if conf.MAX_HEIGHT and (not isinstance(req.height, basestring)) and req.height > conf.MAX_HEIGHT:
req.height = conf.MAX_HEIGHT
req.meta_callback = conf.META_CALLBACK_NAME or self.request.arguments.get('callback', [None])[0]
self.filters_runner = self.context.filters_factory.create_instances(self.context, self.context.request.filters)
self.filters_runner.apply_filters(thumbor.filters.PHASE_PRE_LOAD, self.get_image)
def finish_request(self, context, result=None):
image_extension, content_type = self.define_image_type(context, result)
quality = self.context.request.quality
if quality is None:
if image_extension == '.webp':
quality = self.context.config.get('WEBP_QUALITY', self.context.config.QUALITY)
else:
quality = self.context.config.QUALITY
self.set_header('Server', 'Thumbor/%s' % __version__)
if context.config.AUTO_WEBP and not context.request.engine.is_multiple() and context.request.engine.extension != '.webp':
self.set_header('Vary', 'Accept')
max_age = self.context.config.MAX_AGE
if self.context.request.max_age is not None:
max_age = self.context.request.max_age
if context.request.prevent_result_storage or context.request.detection_error:
max_age = self.context.config.MAX_AGE_TEMP_IMAGE
if max_age:
self.set_header('Cache-Control', 'max-age=' + str(max_age) + ',public')
self.set_header('Expires', datetime.datetime.utcnow() + datetime.timedelta(seconds=max_age))
# needs to be decided before loading results from the engine
should_store = result is None and (context.config.RESULT_STORAGE_STORES_UNSAFE or not context.request.unsafe)
if result is None:
results = context.request.engine.read(image_extension, quality)
if context.request.max_bytes is not None:
results = self.reload_to_fit_in_kb(
context.request.engine,
results,
image_extension,
quality,
context.request.max_bytes
)
if not context.request.meta:
results = self.optimize(context, image_extension, results)
else:
if self.context.config.SEND_IF_MODIFIED_LAST_MODIFIED_HEADERS:
# Handle If-Modified-Since & Last-Modified header
try:
result_last_modified = self.context.modules.result_storage.last_updated()
except NotImplementedError:
logger.warn('last_updated method is not supported by your result storage service, hence If-Modified-Since & Last-Updated headers support is disabled.')
if result_last_modified:
if 'If-Modified-Since' in self.request.headers:
date_modified_since = datetime.datetime.strptime(self.request.headers['If-Modified-Since'], HTTP_DATE_FMT)
if result_last_modified <= date_modified_since:
self.set_status(304)
self.finish()
return
self.set_header('Last-Modified', result_last_modified.strftime(HTTP_DATE_FMT))
results = result
if context.request.format and ('mp4' in context.request.format or 'webm' in context.request.format):
self.set_header('Content-Type', 'video/%s' % context.request.format)
else:
self.set_header('Content-Type', content_type)
self.write(results)
self.finish()
if should_store:
if context.modules.result_storage and not context.request.prevent_result_storage:
start = datetime.datetime.now()
context.modules.result_storage.put(results)
finish = datetime.datetime.now()
context.statsd_client.incr('result_storage.bytes_written', len(results))
context.statsd_client.timing('result_storage.outgoing_time', total_seconds_of(finish - start) * 1000)
def finish_request(self, context, result=None):
image_extension, content_type = self.define_image_type(context, result)
quality = self.context.request.quality
if quality is None:
if image_extension == '.webp':
quality = self.context.config.get('WEBP_QUALITY', self.context.config.QUALITY)
else:
quality = self.context.config.QUALITY
self.set_header('Server', 'Thumbor/%s' % __version__)
if context.config.AUTO_WEBP and not context.request.engine.is_multiple() and context.request.engine.extension != '.webp':
self.set_header('Vary', 'Accept')
max_age = self.context.config.MAX_AGE
if self.context.request.max_age is not None:
max_age = self.context.request.max_age
if context.request.prevent_result_storage or context.request.detection_error:
max_age = self.context.config.MAX_AGE_TEMP_IMAGE
if max_age:
self.set_header('Cache-Control', 'max-age=' + str(max_age) + ',public')
self.set_header('Expires', datetime.datetime.utcnow() + datetime.timedelta(seconds=max_age))
# needs to be decided before loading results from the engine
should_store = result is None and (context.config.RESULT_STORAGE_STORES_UNSAFE or not context.request.unsafe)
if result is None:
results = context.request.engine.read(image_extension, quality)
if context.request.max_bytes is not None:
results = self.reload_to_fit_in_kb(
context.request.engine,
results,
image_extension,
quality,
context.request.max_bytes
)
if not context.request.meta:
results = self.optimize(context, image_extension, results)
else:
if self.context.config.SEND_IF_MODIFIED_LAST_MODIFIED_HEADERS:
# Handle If-Modified-Since & Last-Modified header
try:
result_last_modified = self.context.modules.result_storage.last_updated()
except NotImplementedError:
logger.warn('last_updated method is not supported by your result storage service, hence If-Modified-Since & Last-Updated headers support is disabled.')
if result_last_modified:
if 'If-Modified-Since' in self.request.headers:
date_modified_since = datetime.datetime.strptime(self.request.headers['If-Modified-Since'], HTTP_DATE_FMT)
if result_last_modified <= date_modified_since:
self.set_status(304)
self.finish()
return
self.set_header('Last-Modified', result_last_modified.strftime(HTTP_DATE_FMT))
results = result
if context.request.format and ('mp4' in context.request.format or 'webm' in context.request.format):
self.set_header('Content-Type', 'video/%s' % context.request.format)
else:
self.set_header('Content-Type', content_type)
self.write(results)
self.finish()
if should_store:
if context.modules.result_storage and not context.request.prevent_result_storage:
start = datetime.datetime.now()
context.modules.result_storage.put(results)
finish = datetime.datetime.now()
context.statsd_client.incr('result_storage.bytes_written', len(results))
context.statsd_client.timing('result_storage.outgoing_time', total_seconds_of(finish - start) * 1000)
