diff options
Diffstat (limited to 'synapse/rest/media/v1')
| -rw-r--r-- | synapse/rest/media/v1/base_resource.py | 222 | ||||
| -rw-r--r-- | synapse/rest/media/v1/download_resource.py | 20 | ||||
| -rw-r--r-- | synapse/rest/media/v1/thumbnail_resource.py | 111 | ||||
| -rw-r--r-- | synapse/rest/media/v1/thumbnailer.py | 2 | ||||
| -rw-r--r-- | synapse/rest/media/v1/upload_resource.py | 12 |
5 files changed, 296 insertions, 71 deletions
diff --git a/synapse/rest/media/v1/base_resource.py b/synapse/rest/media/v1/base_resource.py index 6c83a9478c..b2aeb8c909 100644 --- a/synapse/rest/media/v1/base_resource.py +++ b/synapse/rest/media/v1/base_resource.py @@ -27,18 +27,30 @@ from twisted.web.resource import Resource from twisted.protocols.basic import FileSender from synapse.util.async import ObservableDeferred +from synapse.util.stringutils import is_ascii import os +import cgi import logging +import urllib +import urlparse logger = logging.getLogger(__name__) def parse_media_id(request): try: - server_name, media_id = request.postpath - return (server_name, media_id) + # This allows users to append e.g. /test.png to the URL. Useful for + # clients that parse the URL to see content type. + server_name, media_id = request.postpath[:2] + file_name = None + if len(request.postpath) > 2: + try: + file_name = urlparse.unquote(request.postpath[-1]).decode("utf-8") + except UnicodeDecodeError: + pass + return server_name, media_id, file_name except: raise SynapseError( 404, @@ -62,6 +74,8 @@ class BaseMediaResource(Resource): self.filepaths = filepaths self.version_string = hs.version_string self.downloads = {} + self.dynamic_thumbnails = hs.config.dynamic_thumbnails + self.thumbnail_requirements = hs.config.thumbnail_requirements def _respond_404(self, request): respond_with_json( @@ -128,12 +142,38 @@ class BaseMediaResource(Resource): media_type = headers["Content-Type"][0] time_now_ms = self.clock.time_msec() + content_disposition = headers.get("Content-Disposition", None) + if content_disposition: + _, params = cgi.parse_header(content_disposition[0],) + upload_name = None + + # First check if there is a valid UTF-8 filename + upload_name_utf8 = params.get("filename*", None) + if upload_name_utf8: + if upload_name_utf8.lower().startswith("utf-8''"): + upload_name = upload_name_utf8[7:] + + # If there isn't check for an ascii name. + if not upload_name: + upload_name_ascii = params.get("filename", None) + if upload_name_ascii and is_ascii(upload_name_ascii): + upload_name = upload_name_ascii + + if upload_name: + upload_name = urlparse.unquote(upload_name) + try: + upload_name = upload_name.decode("utf-8") + except UnicodeDecodeError: + upload_name = None + else: + upload_name = None + yield self.store.store_cached_remote_media( origin=server_name, media_id=media_id, media_type=media_type, time_now_ms=self.clock.time_msec(), - upload_name=None, + upload_name=upload_name, media_length=length, filesystem_id=file_id, ) @@ -144,7 +184,7 @@ class BaseMediaResource(Resource): media_info = { "media_type": media_type, "media_length": length, - "upload_name": None, + "upload_name": upload_name, "created_ts": time_now_ms, "filesystem_id": file_id, } @@ -157,11 +197,26 @@ class BaseMediaResource(Resource): @defer.inlineCallbacks def _respond_with_file(self, request, media_type, file_path, - file_size=None): + file_size=None, upload_name=None): logger.debug("Responding with %r", file_path) if os.path.isfile(file_path): request.setHeader(b"Content-Type", media_type.encode("UTF-8")) + if upload_name: + if is_ascii(upload_name): + request.setHeader( + b"Content-Disposition", + b"inline; filename=%s" % ( + urllib.quote(upload_name.encode("utf-8")), + ), + ) + else: + request.setHeader( + b"Content-Disposition", + b"inline; filename*=utf-8''%s" % ( + urllib.quote(upload_name.encode("utf-8")), + ), + ) # cache for at least a day. # XXX: we might want to turn this off for data we don't want to @@ -187,22 +242,74 @@ class BaseMediaResource(Resource): self._respond_404(request) def _get_thumbnail_requirements(self, media_type): - if media_type == "image/jpeg": - return ( - (32, 32, "crop", "image/jpeg"), - (96, 96, "crop", "image/jpeg"), - (320, 240, "scale", "image/jpeg"), - (640, 480, "scale", "image/jpeg"), - ) - elif (media_type == "image/png") or (media_type == "image/gif"): - return ( - (32, 32, "crop", "image/png"), - (96, 96, "crop", "image/png"), - (320, 240, "scale", "image/png"), - (640, 480, "scale", "image/png"), + return self.thumbnail_requirements.get(media_type, ()) + + def _generate_thumbnail(self, input_path, t_path, t_width, t_height, + t_method, t_type): + thumbnailer = Thumbnailer(input_path) + m_width = thumbnailer.width + m_height = thumbnailer.height + + if m_width * m_height >= self.max_image_pixels: + logger.info( + "Image too large to thumbnail %r x %r > %r", + m_width, m_height, self.max_image_pixels ) + return + + if t_method == "crop": + t_len = thumbnailer.crop(t_path, t_width, t_height, t_type) + elif t_method == "scale": + t_len = thumbnailer.scale(t_path, t_width, t_height, t_type) else: - return () + t_len = None + + return t_len + + @defer.inlineCallbacks + def _generate_local_exact_thumbnail(self, media_id, t_width, t_height, + t_method, t_type): + input_path = self.filepaths.local_media_filepath(media_id) + + t_path = self.filepaths.local_media_thumbnail( + media_id, t_width, t_height, t_type, t_method + ) + self._makedirs(t_path) + + t_len = yield threads.deferToThread( + self._generate_thumbnail, + input_path, t_path, t_width, t_height, t_method, t_type + ) + + if t_len: + yield self.store.store_local_thumbnail( + media_id, t_width, t_height, t_type, t_method, t_len + ) + + defer.returnValue(t_path) + + @defer.inlineCallbacks + def _generate_remote_exact_thumbnail(self, server_name, file_id, media_id, + t_width, t_height, t_method, t_type): + input_path = self.filepaths.remote_media_filepath(server_name, file_id) + + t_path = self.filepaths.remote_media_thumbnail( + server_name, file_id, t_width, t_height, t_type, t_method + ) + self._makedirs(t_path) + + t_len = yield threads.deferToThread( + self._generate_thumbnail, + input_path, t_path, t_width, t_height, t_method, t_type + ) + + if t_len: + yield self.store.store_remote_media_thumbnail( + server_name, media_id, file_id, + t_width, t_height, t_type, t_method, t_len + ) + + defer.returnValue(t_path) @defer.inlineCallbacks def _generate_local_thumbnails(self, media_id, media_info): @@ -223,43 +330,52 @@ class BaseMediaResource(Resource): ) return - scales = set() - crops = set() - for r_width, r_height, r_method, r_type in requirements: - if r_method == "scale": - t_width, t_height = thumbnailer.aspect(r_width, r_height) - scales.add(( - min(m_width, t_width), min(m_height, t_height), r_type, + local_thumbnails = [] + + def generate_thumbnails(): + scales = set() + crops = set() + for r_width, r_height, r_method, r_type in requirements: + if r_method == "scale": + t_width, t_height = thumbnailer.aspect(r_width, r_height) + scales.add(( + min(m_width, t_width), min(m_height, t_height), r_type, + )) + elif r_method == "crop": + crops.add((r_width, r_height, r_type)) + + for t_width, t_height, t_type in scales: + t_method = "scale" + t_path = self.filepaths.local_media_thumbnail( + media_id, t_width, t_height, t_type, t_method + ) + self._makedirs(t_path) + t_len = thumbnailer.scale(t_path, t_width, t_height, t_type) + + local_thumbnails.append(( + media_id, t_width, t_height, t_type, t_method, t_len )) - elif r_method == "crop": - crops.add((r_width, r_height, r_type)) - for t_width, t_height, t_type in scales: - t_method = "scale" - t_path = self.filepaths.local_media_thumbnail( - media_id, t_width, t_height, t_type, t_method - ) - self._makedirs(t_path) - t_len = thumbnailer.scale(t_path, t_width, t_height, t_type) - yield self.store.store_local_thumbnail( - media_id, t_width, t_height, t_type, t_method, t_len - ) + for t_width, t_height, t_type in crops: + if (t_width, t_height, t_type) in scales: + # If the aspect ratio of the cropped thumbnail matches a purely + # scaled one then there is no point in calculating a separate + # thumbnail. + continue + t_method = "crop" + t_path = self.filepaths.local_media_thumbnail( + media_id, t_width, t_height, t_type, t_method + ) + self._makedirs(t_path) + t_len = thumbnailer.crop(t_path, t_width, t_height, t_type) + local_thumbnails.append(( + media_id, t_width, t_height, t_type, t_method, t_len + )) - for t_width, t_height, t_type in crops: - if (t_width, t_height, t_type) in scales: - # If the aspect ratio of the cropped thumbnail matches a purely - # scaled one then there is no point in calculating a separate - # thumbnail. - continue - t_method = "crop" - t_path = self.filepaths.local_media_thumbnail( - media_id, t_width, t_height, t_type, t_method - ) - self._makedirs(t_path) - t_len = thumbnailer.crop(t_path, t_width, t_height, t_type) - yield self.store.store_local_thumbnail( - media_id, t_width, t_height, t_type, t_method, t_len - ) + yield threads.deferToThread(generate_thumbnails) + + for l in local_thumbnails: + yield self.store.store_local_thumbnail(*l) defer.returnValue({ "width": m_width, diff --git a/synapse/rest/media/v1/download_resource.py b/synapse/rest/media/v1/download_resource.py index 0fe6abf647..ab384e5388 100644 --- a/synapse/rest/media/v1/download_resource.py +++ b/synapse/rest/media/v1/download_resource.py @@ -32,14 +32,16 @@ class DownloadResource(BaseMediaResource): @request_handler @defer.inlineCallbacks def _async_render_GET(self, request): - server_name, media_id = parse_media_id(request) + server_name, media_id, name = parse_media_id(request) if server_name == self.server_name: - yield self._respond_local_file(request, media_id) + yield self._respond_local_file(request, media_id, name) else: - yield self._respond_remote_file(request, server_name, media_id) + yield self._respond_remote_file( + request, server_name, media_id, name + ) @defer.inlineCallbacks - def _respond_local_file(self, request, media_id): + def _respond_local_file(self, request, media_id, name): media_info = yield self.store.get_local_media(media_id) if not media_info: self._respond_404(request) @@ -47,24 +49,28 @@ class DownloadResource(BaseMediaResource): media_type = media_info["media_type"] media_length = media_info["media_length"] + upload_name = name if name else media_info["upload_name"] file_path = self.filepaths.local_media_filepath(media_id) yield self._respond_with_file( - request, media_type, file_path, media_length + request, media_type, file_path, media_length, + upload_name=upload_name, ) @defer.inlineCallbacks - def _respond_remote_file(self, request, server_name, media_id): + def _respond_remote_file(self, request, server_name, media_id, name): media_info = yield self._get_remote_media(server_name, media_id) media_type = media_info["media_type"] media_length = media_info["media_length"] filesystem_id = media_info["filesystem_id"] + upload_name = name if name else media_info["upload_name"] file_path = self.filepaths.remote_media_filepath( server_name, filesystem_id ) yield self._respond_with_file( - request, media_type, file_path, media_length + request, media_type, file_path, media_length, + upload_name=upload_name, ) diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py index 1dadd880b2..e506dad934 100644 --- a/synapse/rest/media/v1/thumbnail_resource.py +++ b/synapse/rest/media/v1/thumbnail_resource.py @@ -36,21 +36,32 @@ class ThumbnailResource(BaseMediaResource): @request_handler @defer.inlineCallbacks def _async_render_GET(self, request): - server_name, media_id = parse_media_id(request) + server_name, media_id, _ = parse_media_id(request) width = parse_integer(request, "width") height = parse_integer(request, "height") method = parse_string(request, "method", "scale") m_type = parse_string(request, "type", "image/png") if server_name == self.server_name: - yield self._respond_local_thumbnail( - request, media_id, width, height, method, m_type - ) + if self.dynamic_thumbnails: + yield self._select_or_generate_local_thumbnail( + request, media_id, width, height, method, m_type + ) + else: + yield self._respond_local_thumbnail( + request, media_id, width, height, method, m_type + ) else: - yield self._respond_remote_thumbnail( - request, server_name, media_id, - width, height, method, m_type - ) + if self.dynamic_thumbnails: + yield self._select_or_generate_remote_thumbnail( + request, server_name, media_id, + width, height, method, m_type + ) + else: + yield self._respond_remote_thumbnail( + request, server_name, media_id, + width, height, method, m_type + ) @defer.inlineCallbacks def _respond_local_thumbnail(self, request, media_id, width, height, @@ -83,6 +94,87 @@ class ThumbnailResource(BaseMediaResource): ) @defer.inlineCallbacks + def _select_or_generate_local_thumbnail(self, request, media_id, desired_width, + desired_height, desired_method, + desired_type): + media_info = yield self.store.get_local_media(media_id) + + if not media_info: + self._respond_404(request) + return + + thumbnail_infos = yield self.store.get_local_media_thumbnails(media_id) + for info in thumbnail_infos: + t_w = info["thumbnail_width"] == desired_width + t_h = info["thumbnail_height"] == desired_height + t_method = info["thumbnail_method"] == desired_method + t_type = info["thumbnail_type"] == desired_type + + if t_w and t_h and t_method and t_type: + file_path = self.filepaths.local_media_thumbnail( + media_id, desired_width, desired_height, desired_type, desired_method, + ) + yield self._respond_with_file(request, desired_type, file_path) + return + + logger.debug("We don't have a local thumbnail of that size. Generating") + + # Okay, so we generate one. + file_path = yield self._generate_local_exact_thumbnail( + media_id, desired_width, desired_height, desired_method, desired_type + ) + + if file_path: + yield self._respond_with_file(request, desired_type, file_path) + else: + yield self._respond_default_thumbnail( + request, media_info, desired_width, desired_height, + desired_method, desired_type, + ) + + @defer.inlineCallbacks + def _select_or_generate_remote_thumbnail(self, request, server_name, media_id, + desired_width, desired_height, + desired_method, desired_type): + media_info = yield self._get_remote_media(server_name, media_id) + + thumbnail_infos = yield self.store.get_remote_media_thumbnails( + server_name, media_id, + ) + + file_id = media_info["filesystem_id"] + + for info in thumbnail_infos: + t_w = info["thumbnail_width"] == desired_width + t_h = info["thumbnail_height"] == desired_height + t_method = info["thumbnail_method"] == desired_method + t_type = info["thumbnail_type"] == desired_type + + if t_w and t_h and t_method and t_type: + file_path = self.filepaths.remote_media_thumbnail( + server_name, file_id, desired_width, desired_height, + desired_type, desired_method, + ) + yield self._respond_with_file(request, desired_type, file_path) + return + + logger.debug("We don't have a local thumbnail of that size. Generating") + + # Okay, so we generate one. + file_path = yield self._generate_remote_exact_thumbnail( + server_name, file_id, media_id, desired_width, + desired_height, desired_method, desired_type + ) + + if file_path: + yield self._respond_with_file(request, desired_type, file_path) + else: + yield self._respond_default_thumbnail( + request, media_info, desired_width, desired_height, + desired_method, desired_type, + ) + + @defer.inlineCallbacks def _respond_remote_thumbnail(self, request, server_name, media_id, width, height, method, m_type): # TODO: Don't download the whole remote file @@ -162,11 +254,12 @@ class ThumbnailResource(BaseMediaResource): t_method = info["thumbnail_method"] if t_method == "scale" or t_method == "crop": aspect_quality = abs(d_w * t_h - d_h * t_w) + min_quality = 0 if d_w <= t_w and d_h <= t_h else 1 size_quality = abs((d_w - t_w) * (d_h - t_h)) type_quality = desired_type != info["thumbnail_type"] length_quality = info["thumbnail_length"] info_list.append(( - aspect_quality, size_quality, type_quality, + aspect_quality, min_quality, size_quality, type_quality, length_quality, info )) if info_list: diff --git a/synapse/rest/media/v1/thumbnailer.py b/synapse/rest/media/v1/thumbnailer.py index 28404f2b7b..1e965c363a 100644 --- a/synapse/rest/media/v1/thumbnailer.py +++ b/synapse/rest/media/v1/thumbnailer.py @@ -82,7 +82,7 @@ class Thumbnailer(object): def save_image(self, output_image, output_type, output_path): output_bytes_io = BytesIO() - output_image.save(output_bytes_io, self.FORMATS[output_type], quality=70) + output_image.save(output_bytes_io, self.FORMATS[output_type], quality=80) output_bytes = output_bytes_io.getvalue() with open(output_path, "wb") as output_file: output_file.write(output_bytes) diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py index cc571976a5..031bfa80f8 100644 --- a/synapse/rest/media/v1/upload_resource.py +++ b/synapse/rest/media/v1/upload_resource.py @@ -84,6 +84,16 @@ class UploadResource(BaseMediaResource): code=413, ) + upload_name = request.args.get("filename", None) + if upload_name: + try: + upload_name = upload_name[0].decode('UTF-8') + except UnicodeDecodeError: + raise SynapseError( + msg="Invalid UTF-8 filename parameter: %r" % (upload_name), + code=400, + ) + headers = request.requestHeaders if headers.hasHeader("Content-Type"): @@ -99,7 +109,7 @@ class UploadResource(BaseMediaResource): # TODO(markjh): parse content-dispostion content_uri = yield self.create_content( - media_type, None, request.content.read(), + media_type, upload_name, request.content.read(), content_length, auth_user ) |