diff options
Diffstat (limited to 'synapse/rest/media/v1')
| -rw-r--r-- | synapse/rest/media/v1/filepath.py | 99 | ||||
| -rw-r--r-- | synapse/rest/media/v1/media_repository.py | 109 | ||||
| -rw-r--r-- | synapse/rest/media/v1/preview_url_resource.py | 7 | ||||
| -rw-r--r-- | synapse/rest/media/v1/thumbnailer.py | 9 |
4 files changed, 148 insertions, 76 deletions
diff --git a/synapse/rest/media/v1/filepath.py b/synapse/rest/media/v1/filepath.py index d5cec10127..43d0eea00d 100644 --- a/synapse/rest/media/v1/filepath.py +++ b/synapse/rest/media/v1/filepath.py @@ -15,103 +15,134 @@ import os import re +import functools NEW_FORMAT_ID_RE = re.compile(r"^\d\d\d\d-\d\d-\d\d") +def _wrap_in_base_path(func): + """Takes a function that returns a relative path and turns it into an + absolute path based on the location of the primary media store + """ + @functools.wraps(func) + def _wrapped(self, *args, **kwargs): + path = func(self, *args, **kwargs) + return os.path.join(self.primary_base_path, path) + + return _wrapped + + class MediaFilePaths(object): + """Describes where files are stored on disk. - def __init__(self, base_path): - self.base_path = base_path + Most of the function have a `*_rel` variant which returns a file path that + is relative to the base media store path. This is mainly used when we want + to write to the backup media store (when one is configured) + """ - def default_thumbnail(self, default_top_level, default_sub_type, width, - height, content_type, method): + def __init__(self, primary_base_path): + self.primary_base_path = primary_base_path + + def default_thumbnail_rel(self, default_top_level, default_sub_type, width, + height, content_type, method): top_level_type, sub_type = content_type.split("/") file_name = "%i-%i-%s-%s-%s" % ( width, height, top_level_type, sub_type, method ) return os.path.join( - self.base_path, "default_thumbnails", default_top_level, + "default_thumbnails", default_top_level, default_sub_type, file_name ) - def local_media_filepath(self, media_id): + default_thumbnail = _wrap_in_base_path(default_thumbnail_rel) + + def local_media_filepath_rel(self, media_id): return os.path.join( - self.base_path, "local_content", + "local_content", media_id[0:2], media_id[2:4], media_id[4:] ) - def local_media_thumbnail(self, media_id, width, height, content_type, - method): + local_media_filepath = _wrap_in_base_path(local_media_filepath_rel) + + def local_media_thumbnail_rel(self, media_id, width, height, content_type, + method): top_level_type, sub_type = content_type.split("/") file_name = "%i-%i-%s-%s-%s" % ( width, height, top_level_type, sub_type, method ) return os.path.join( - self.base_path, "local_thumbnails", + "local_thumbnails", media_id[0:2], media_id[2:4], media_id[4:], file_name ) - def remote_media_filepath(self, server_name, file_id): + local_media_thumbnail = _wrap_in_base_path(local_media_thumbnail_rel) + + def remote_media_filepath_rel(self, server_name, file_id): return os.path.join( - self.base_path, "remote_content", server_name, + "remote_content", server_name, file_id[0:2], file_id[2:4], file_id[4:] ) - def remote_media_thumbnail(self, server_name, file_id, width, height, - content_type, method): + remote_media_filepath = _wrap_in_base_path(remote_media_filepath_rel) + + def remote_media_thumbnail_rel(self, server_name, file_id, width, height, + content_type, method): top_level_type, sub_type = content_type.split("/") file_name = "%i-%i-%s-%s" % (width, height, top_level_type, sub_type) return os.path.join( - self.base_path, "remote_thumbnail", server_name, + "remote_thumbnail", server_name, file_id[0:2], file_id[2:4], file_id[4:], file_name ) + remote_media_thumbnail = _wrap_in_base_path(remote_media_thumbnail_rel) + def remote_media_thumbnail_dir(self, server_name, file_id): return os.path.join( - self.base_path, "remote_thumbnail", server_name, + "remote_thumbnail", server_name, file_id[0:2], file_id[2:4], file_id[4:], ) - def url_cache_filepath(self, media_id): + def url_cache_filepath_rel(self, media_id): if NEW_FORMAT_ID_RE.match(media_id): # Media id is of the form <DATE><RANDOM_STRING> # E.g.: 2017-09-28-fsdRDt24DS234dsf return os.path.join( - self.base_path, "url_cache", + "url_cache", media_id[:10], media_id[11:] ) else: return os.path.join( - self.base_path, "url_cache", + "url_cache", media_id[0:2], media_id[2:4], media_id[4:], ) + url_cache_filepath = _wrap_in_base_path(url_cache_filepath_rel) + def url_cache_filepath_dirs_to_delete(self, media_id): "The dirs to try and remove if we delete the media_id file" if NEW_FORMAT_ID_RE.match(media_id): return [ os.path.join( - self.base_path, "url_cache", + "url_cache", media_id[:10], ), ] else: return [ os.path.join( - self.base_path, "url_cache", + "url_cache", media_id[0:2], media_id[2:4], ), os.path.join( - self.base_path, "url_cache", + "url_cache", media_id[0:2], ), ] - def url_cache_thumbnail(self, media_id, width, height, content_type, - method): + def url_cache_thumbnail_rel(self, media_id, width, height, content_type, + method): # Media id is of the form <DATE><RANDOM_STRING> # E.g.: 2017-09-28-fsdRDt24DS234dsf @@ -122,29 +153,31 @@ class MediaFilePaths(object): if NEW_FORMAT_ID_RE.match(media_id): return os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[:10], media_id[11:], file_name ) else: return os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[0:2], media_id[2:4], media_id[4:], file_name ) + url_cache_thumbnail = _wrap_in_base_path(url_cache_thumbnail_rel) + def url_cache_thumbnail_directory(self, media_id): # Media id is of the form <DATE><RANDOM_STRING> # E.g.: 2017-09-28-fsdRDt24DS234dsf if NEW_FORMAT_ID_RE.match(media_id): return os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[:10], media_id[11:], ) else: return os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[0:2], media_id[2:4], media_id[4:], ) @@ -155,26 +188,26 @@ class MediaFilePaths(object): if NEW_FORMAT_ID_RE.match(media_id): return [ os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[:10], media_id[11:], ), os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[:10], ), ] else: return [ os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[0:2], media_id[2:4], media_id[4:], ), os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[0:2], media_id[2:4], ), os.path.join( - self.base_path, "url_cache_thumbnails", + "url_cache_thumbnails", media_id[0:2], ), ] diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index 93b35af9cf..398e973ca9 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -60,10 +60,12 @@ class MediaRepository(object): self.max_upload_size = hs.config.max_upload_size self.max_image_pixels = hs.config.max_image_pixels - self.filepaths = MediaFilePaths(hs.config.media_store_path) - self.backup_filepaths = None + self.primary_base_path = hs.config.media_store_path + self.filepaths = MediaFilePaths(self.primary_base_path) + + self.backup_base_path = None if hs.config.backup_media_store_path: - self.backup_filepaths = MediaFilePaths(hs.config.backup_media_store_path) + self.backup_base_path = hs.config.backup_media_store_path self.synchronous_backup_media_store = hs.config.synchronous_backup_media_store @@ -94,42 +96,63 @@ class MediaRepository(object): if not os.path.exists(dirname): os.makedirs(dirname) - @defer.inlineCallbacks - def _write_to_file(self, source, file_name_func): - def write_file_thread(file_name): - source.seek(0) # Ensure we read from the start of the file - with open(file_name, "wb") as f: - shutil.copyfileobj(source, f) + @staticmethod + def write_file_synchronously(source, fname): + source.seek(0) # Ensure we read from the start of the file + with open(fname, "wb") as f: + shutil.copyfileobj(source, f) - fname = file_name_func(self.filepaths) + @defer.inlineCallbacks + def write_to_file(self, source, path): + """Write `source` to the on disk media store, and also the backup store + if configured. + + Args: + source: A file like object that should be written + path: Relative path to write file to + + Returns: + string: the file path written to in the primary media store + """ + fname = os.path.join(self.primary_base_path, path) self._makedirs(fname) # Write to the main repository - yield preserve_context_over_fn(threads.deferToThread, write_file_thread, fname) + yield preserve_context_over_fn( + threads.deferToThread, + self.write_file_synchronously, source, fname, + ) # Write to backup repository - if self.backup_filepaths: - backup_fname = file_name_func(self.backup_filepaths) + yield self.copy_to_backup(source, path) + + defer.returnValue(fname) + + @defer.inlineCallbacks + def copy_to_backup(self, source, path): + if self.backup_base_path: + backup_fname = os.path.join(self.backup_base_path, path) self._makedirs(backup_fname) # We can either wait for successful writing to the backup repository # or write in the background and immediately return if self.synchronous_backup_media_store: yield preserve_context_over_fn( - threads.deferToThread, write_file_thread, backup_fname, + threads.deferToThread, + self.write_file_synchronously, source, backup_fname, ) else: - preserve_fn(threads.deferToThread)(write_file_thread, backup_fname) - - defer.returnValue(fname) + preserve_fn(threads.deferToThread)( + self.write_file_synchronously, source, backup_fname, + ) @defer.inlineCallbacks def create_content(self, media_type, upload_name, content, content_length, auth_user): media_id = random_string(24) - fname = yield self._write_to_file( - content, lambda f: f.local_media_filepath(media_id) + fname = yield self.write_to_file( + content, self.filepaths.local_media_filepath_rel(media_id) ) logger.info("Stored local media in file %r", fname) @@ -180,9 +203,10 @@ class MediaRepository(object): def _download_remote_file(self, server_name, media_id): file_id = random_string(24) - fname = self.filepaths.remote_media_filepath( + fpath = self.filepaths.remote_media_filepath_rel( server_name, file_id ) + fname = os.path.join(self.primary_base_path, fpath) self._makedirs(fname) try: @@ -224,6 +248,9 @@ class MediaRepository(object): server_name, media_id) raise SynapseError(502, "Failed to fetch remote media") + with open(fname) as f: + yield self.copy_to_backup(f, fpath) + media_type = headers["Content-Type"][0] time_now_ms = self.clock.time_msec() @@ -322,15 +349,15 @@ class MediaRepository(object): ) if t_byte_source: - output_path = yield self._write_to_file( + output_path = yield self.write_to_file( t_byte_source, - lambda f: f.local_media_thumbnail( + self.filepaths.local_media_thumbnail_rel( media_id, t_width, t_height, t_type, t_method ) ) logger.info("Stored thumbnail in file %r", output_path) - yield self.store.store_local_thumbnail( + yield self.store.store_local_thumbnail_rel( media_id, t_width, t_height, t_type, t_method, len(t_byte_source.getvalue()) ) @@ -350,15 +377,15 @@ class MediaRepository(object): ) if t_byte_source: - output_path = yield self._write_to_file( + output_path = yield self.write_to_file( t_byte_source, - lambda f: f.remote_media_thumbnail( + self.filepaths.remote_media_thumbnail_rel( server_name, file_id, t_width, t_height, t_type, t_method ) ) logger.info("Stored thumbnail in file %r", output_path) - yield self.store.store_remote_media_thumbnail( + yield self.store.store_remote_media_thumbnail_rel( server_name, media_id, file_id, t_width, t_height, t_type, t_method, len(t_byte_source.getvalue()) ) @@ -403,17 +430,16 @@ class MediaRepository(object): yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails) for t_width, t_height, t_method, t_type, t_byte_source in local_thumbnails: - def path_name_func(f): - if url_cache: - return f.url_cache_thumbnail( - media_id, t_width, t_height, t_type, t_method - ) - else: - return f.local_media_thumbnail( - media_id, t_width, t_height, t_type, t_method - ) + if url_cache: + file_path = self.filepaths.url_cache_thumbnail_rel( + media_id, t_width, t_height, t_type, t_method + ) + else: + file_path = self.filepaths.local_media_thumbnail_rel( + media_id, t_width, t_height, t_type, t_method + ) - yield self._write_to_file(t_byte_source, path_name_func) + yield self.write_to_file(t_byte_source, file_path) yield self.store.store_local_thumbnail( media_id, t_width, t_height, t_type, t_method, @@ -460,12 +486,11 @@ class MediaRepository(object): yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails) for t_width, t_height, t_method, t_type, t_byte_source in remote_thumbnails: - def path_name_func(f): - return f.remote_media_thumbnail( - server_name, file_id, t_width, t_height, t_type, t_method - ) + file_path = self.filepaths.remote_media_thumbnail_rel( + server_name, file_id, t_width, t_height, t_type, t_method + ) - yield self._write_to_file(t_byte_source, path_name_func) + yield self.write_to_file(t_byte_source, file_path) yield self.store.store_remote_media_thumbnail( server_name, media_id, file_id, @@ -491,6 +516,8 @@ class MediaRepository(object): logger.info("Deleting: %r", key) + # TODO: Should we delete from the backup store + with (yield self.remote_media_linearizer.queue(key)): full_path = self.filepaths.remote_media_filepath(origin, file_id) try: diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index 895b480d5c..f82b8fbc51 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -59,6 +59,7 @@ class PreviewUrlResource(Resource): self.store = hs.get_datastore() self.client = SpiderHttpClient(hs) self.media_repo = media_repo + self.primary_base_path = media_repo.primary_base_path self.url_preview_url_blacklist = hs.config.url_preview_url_blacklist @@ -262,7 +263,8 @@ class PreviewUrlResource(Resource): file_id = datetime.date.today().isoformat() + '_' + random_string(16) - fname = self.filepaths.url_cache_filepath(file_id) + fpath = self.filepaths.url_cache_filepath_rel(file_id) + fname = os.path.join(self.primary_base_path, fpath) self.media_repo._makedirs(fname) try: @@ -273,6 +275,9 @@ class PreviewUrlResource(Resource): ) # FIXME: pass through 404s and other error messages nicely + with open(fname) as f: + yield self.media_repo.copy_to_backup(f, fpath) + media_type = headers["Content-Type"][0] time_now_ms = self.clock.time_msec() diff --git a/synapse/rest/media/v1/thumbnailer.py b/synapse/rest/media/v1/thumbnailer.py index 60498b08aa..e1ee535b9a 100644 --- a/synapse/rest/media/v1/thumbnailer.py +++ b/synapse/rest/media/v1/thumbnailer.py @@ -51,7 +51,11 @@ class Thumbnailer(object): return ((max_height * self.width) // self.height, max_height) def scale(self, width, height, output_type): - """Rescales the image to the given dimensions""" + """Rescales the image to the given dimensions. + + Returns: + BytesIO: the bytes of the encoded image ready to be written to disk + """ scaled = self.image.resize((width, height), Image.ANTIALIAS) return self._encode_image(scaled, output_type) @@ -65,6 +69,9 @@ class Thumbnailer(object): Args: max_width: The largest possible width. max_height: The larget possible height. + + Returns: + BytesIO: the bytes of the encoded image ready to be written to disk """ if width * self.height > height * self.width: scaled_height = (width * self.height) // self.width |