mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2025-08-02 04:26:02 -04:00
Basic implementation of backup media store
This commit is contained in:
Erik Johnston
parent
f807f7f804
commit
bf4fb1fb40
4 changed files with 130 additions and 125 deletions
|
|
@ -33,7 +33,7 @@ from synapse.api.errors import SynapseError, HttpResponseException, \
|
|||
|
||||
from synapse.util.async import Linearizer
|
||||
from synapse.util.stringutils import is_ascii
|
||||
from synapse.util.logcontext import preserve_context_over_fn
|
||||
from synapse.util.logcontext import preserve_context_over_fn, preserve_fn
|
||||
from synapse.util.retryutils import NotRetryingDestination
|
||||
|
||||
import os
|
||||
|
|
@ -59,7 +59,12 @@ class MediaRepository(object):
|
|||
self.store = hs.get_datastore()
|
||||
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
|
||||
if hs.config.backup_media_store_path:
|
||||
self.backup_filepaths = MediaFilePaths(hs.config.backup_media_store_path)
|
||||
|
||||
self.dynamic_thumbnails = hs.config.dynamic_thumbnails
|
||||
self.thumbnail_requirements = hs.config.thumbnail_requirements
|
||||
|
||||
|
|
@ -87,18 +92,43 @@ 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)
|
||||
|
||||
fname = file_name_func(self.filepaths)
|
||||
self._makedirs(fname)
|
||||
|
||||
# Write to the main repository
|
||||
yield preserve_context_over_fn(threads.deferToThread, write_file_thread, fname)
|
||||
|
||||
# Write to backup repository
|
||||
if self.backup_filepaths:
|
||||
backup_fname = file_name_func(backup_filepaths)
|
||||
self._makedirs(backup_fname)
|
||||
|
||||
# We can either wait for successful writing to the backup repository
|
||||
# or write in the background and immediately return
|
||||
if hs.config.synchronous_backup_media_store:
|
||||
yield preserve_context_over_fn(
|
||||
threads.deferToThread, write_file_thread, backup_fname,
|
||||
)
|
||||
else:
|
||||
preserve_fn(threads.deferToThread)(write_file, backup_fname)
|
||||
|
||||
defer.returnValue(fname)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def create_content(self, media_type, upload_name, content, content_length,
|
||||
auth_user):
|
||||
media_id = random_string(24)
|
||||
|
||||
fname = self.filepaths.local_media_filepath(media_id)
|
||||
self._makedirs(fname)
|
||||
|
||||
# This shouldn't block for very long because the content will have
|
||||
# already been uploaded at this point.
|
||||
with open(fname, "wb") as f:
|
||||
f.write(content)
|
||||
fname = yield self._write_to_file(
|
||||
content, lambda f: f.local_media_filepath(media_id)
|
||||
)
|
||||
|
||||
logger.info("Stored local media in file %r", fname)
|
||||
|
||||
|
|
@ -253,9 +283,8 @@ class MediaRepository(object):
|
|||
def _get_thumbnail_requirements(self, media_type):
|
||||
return self.thumbnail_requirements.get(media_type, ())
|
||||
|
||||
def _generate_thumbnail(self, input_path, t_path, t_width, t_height,
|
||||
def _generate_thumbnail(self, thumbnailer, t_width, t_height,
|
||||
t_method, t_type):
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
m_width = thumbnailer.width
|
||||
m_height = thumbnailer.height
|
||||
|
||||
|
|
@ -267,36 +296,40 @@ class MediaRepository(object):
|
|||
return
|
||||
|
||||
if t_method == "crop":
|
||||
t_len = thumbnailer.crop(t_path, t_width, t_height, t_type)
|
||||
t_byte_source = thumbnailer.crop(t_width, t_height, t_type)
|
||||
elif t_method == "scale":
|
||||
t_width, t_height = thumbnailer.aspect(t_width, t_height)
|
||||
t_width = min(m_width, t_width)
|
||||
t_height = min(m_height, t_height)
|
||||
t_len = thumbnailer.scale(t_path, t_width, t_height, t_type)
|
||||
t_byte_source = thumbnailer.scale(t_width, t_height, t_type)
|
||||
else:
|
||||
t_len = None
|
||||
t_byte_source = None
|
||||
|
||||
return t_len
|
||||
return t_byte_source
|
||||
|
||||
@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 preserve_context_over_fn(
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
t_byte_source = yield preserve_context_over_fn(
|
||||
threads.deferToThread,
|
||||
self._generate_thumbnail,
|
||||
input_path, t_path, t_width, t_height, t_method, t_type
|
||||
thumbnailer, t_width, t_height, t_method, t_type
|
||||
)
|
||||
|
||||
if t_len:
|
||||
if t_byte_source:
|
||||
output_path = yield self._write_to_file(
|
||||
content,
|
||||
lambda f: f.local_media_thumbnail(
|
||||
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(
|
||||
media_id, t_width, t_height, t_type, t_method, t_len
|
||||
media_id, t_width, t_height, t_type, t_method, len(t_byte_source.getvalue())
|
||||
)
|
||||
|
||||
defer.returnValue(t_path)
|
||||
|
|
@ -306,21 +339,25 @@ class MediaRepository(object):
|
|||
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 preserve_context_over_fn(
|
||||
thumbnailer = Thumbnailer(input_path)
|
||||
t_byte_source = yield preserve_context_over_fn(
|
||||
threads.deferToThread,
|
||||
self._generate_thumbnail,
|
||||
input_path, t_path, t_width, t_height, t_method, t_type
|
||||
thumbnailer, t_width, t_height, t_method, t_type
|
||||
)
|
||||
|
||||
if t_len:
|
||||
if t_byte_source:
|
||||
output_path = yield self._write_to_file(
|
||||
content,
|
||||
lambda f: f.remote_media_thumbnail(
|
||||
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(
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, t_len
|
||||
t_width, t_height, t_type, t_method, len(t_byte_source.getvalue())
|
||||
)
|
||||
|
||||
defer.returnValue(t_path)
|
||||
|
|
@ -351,59 +388,32 @@ class MediaRepository(object):
|
|||
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"
|
||||
if url_cache:
|
||||
t_path = self.filepaths.url_cache_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
else:
|
||||
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)
|
||||
t_byte_source = self._generate_thumbnail(
|
||||
thumbnailer, r_width, r_height, r_method, r_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"
|
||||
if url_cache:
|
||||
t_path = self.filepaths.url_cache_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
else:
|
||||
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
|
||||
r_width, r_height, r_method, r_type, t_byte_source
|
||||
))
|
||||
|
||||
yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
|
||||
|
||||
for l in local_thumbnails:
|
||||
yield self.store.store_local_thumbnail(*l)
|
||||
for t_width, t_height, t_method, t_type, t_byte_source in local_thumbnails:
|
||||
if url_cache:
|
||||
path_name_func = lambda f: f.url_cache_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
else:
|
||||
path_name_func = lambda f: f.local_media_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
|
||||
yield self._write_to_file(t_byte_source, path_name_func)
|
||||
|
||||
yield self.store.store_local_thumbnail(
|
||||
media_id, t_width, t_height, t_type, t_method, len(t_byte_source.getvalue())
|
||||
)
|
||||
|
||||
defer.returnValue({
|
||||
"width": m_width,
|
||||
|
|
@ -433,51 +443,32 @@ class MediaRepository(object):
|
|||
)
|
||||
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,
|
||||
))
|
||||
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.remote_media_thumbnail(
|
||||
server_name, file_id, t_width, t_height, t_type, t_method
|
||||
t_byte_source = self._generate_thumbnail(
|
||||
thumbnailer, r_width, r_height, r_method, r_type,
|
||||
)
|
||||
self._makedirs(t_path)
|
||||
t_len = thumbnailer.scale(t_path, t_width, t_height, t_type)
|
||||
remote_thumbnails.append([
|
||||
server_name, media_id, file_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.remote_media_thumbnail(
|
||||
server_name, file_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)
|
||||
remote_thumbnails.append([
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, t_len
|
||||
])
|
||||
remote_thumbnails.append((
|
||||
r_width, r_height, r_method, r_type, t_byte_source
|
||||
))
|
||||
|
||||
yield preserve_context_over_fn(threads.deferToThread, generate_thumbnails)
|
||||
|
||||
for r in remote_thumbnails:
|
||||
yield self.store.store_remote_media_thumbnail(*r)
|
||||
|
||||
for t_width, t_height, t_method, t_type, t_byte_source in local_thumbnails:
|
||||
path_name_func = lambda f: f.remote_media_thumbnail(
|
||||
server_name, media_id, file_id, t_width, t_height, t_type, t_method
|
||||
)
|
||||
|
||||
yield self._write_to_file(t_byte_source, path_name_func)
|
||||
|
||||
yield self.store.store_remote_media_thumbnail(
|
||||
server_name, media_id, file_id,
|
||||
t_width, t_height, t_type, t_method, len(t_byte_source.getvalue())
|
||||
)
|
||||
|
||||
defer.returnValue({
|
||||
"width": m_width,
|
||||
"height": m_height,
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue