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-rwxr-xr-xfbin/fbin.py52
-rw-r--r--fbin/file_storage/base.py9
-rw-r--r--fbin/file_storage/filesystem.py15
-rw-r--r--fbin/file_storage/s3.py32
4 files changed, 80 insertions, 28 deletions
diff --git a/fbin/fbin.py b/fbin/fbin.py
index 983c1aa..d1dff76 100755
--- a/fbin/fbin.py
+++ b/fbin/fbin.py
@@ -359,33 +359,37 @@ def videos():
@app.route('/t/<hash:hash>')
@app.route('/thumb/<hash:hash>')
def thumb(hash):
- thumbfile = os.path.join(current_app.config['THUMB_DIRECTORY'], hash + '.jpg')
- if not os.access(thumbfile, os.F_OK):
- f = get_file(hash, update_accessed = False)
- if f.is_image():
- try:
- #im = Image.open(f.get_path())
+ f = get_file(hash, update_accessed=False)
+ response = storage.get_thumbnail(f)
+ if not response:
+ with tempfile.NamedTemporaryFile(suffix='.jpg') as ttf: # temporary thumb file
+ if f.is_image():
+ try:
+ with storage.temp_file(f) as tf:
+ im = Image.open(tf)
+ # Check for valid JPEG modes.
+ if im.mode not in ('1', 'L', 'RGB', 'RGBX', 'CMYK', 'YCbCr'):
+ im = im.convert('RGB')
+ im.thumbnail(current_app.config.get('THUMB_SIZE', (128, 128)), Image.ANTIALIAS)
+ im.save(ttf)
+ except IOError:
+ # We can't generate a thumbnail for this file, just say it doesn't exist.
+ abort(404)
+ elif f.is_video():
with storage.temp_file(f) as tf:
- im = Image.open(tf)
- # Check for valid JPEG modes.
- if im.mode not in ('1', 'L', 'RGB', 'RGBX', 'CMYK', 'YCbCr'):
- im = im.convert('RGB')
- im.thumbnail(current_app.config.get('THUMB_SIZE', (128, 128)), Image.ANTIALIAS)
- im.save(thumbfile)
- except IOError:
- # We can't generate a thumbnail for this file, just say it doesn't exist.
+ p = subprocess.run(['ffmpegthumbnailer', '-i', '-', '-o', ttf.name], stdin=tf)
+ if p.returncode != 0:
+ abort(404)
+ else:
abort(404)
- elif f.is_video():
- #p = subprocess.run(['ffmpegthumbnailer', '-i', f.get_path(), '-o', thumbfile])
- with storage.temp_file(f) as tf:
- p = subprocess.run(['ffmpegthumbnailer', '-i', '-', '-o', thumbfile], stdin=tf)
- if p.returncode != 0:
- if os.path.exists(thumbfile):
- os.unlink(thumbfile)
+ ttf.seek(0)
+ if not os.path.getsize(ttf.name):
abort(404)
- else:
- abort(404)
- return send_file(thumbfile)
+ storage.store_thumbnail(f, ttf)
+ response = storage.get_thumbnail(f)
+ if isinstance(response, Response):
+ return response
+ return send_file(response, attachment_filename='thumb.jpg')
@app.route('/h')
@app.route('/help')
diff --git a/fbin/file_storage/base.py b/fbin/file_storage/base.py
index 6f39665..9f09199 100644
--- a/fbin/file_storage/base.py
+++ b/fbin/file_storage/base.py
@@ -37,3 +37,12 @@ class BaseStorage:
This is used internally for eg. thumbnails.'''
raise NotImplementedError()
+ def get_thumbnail(self, f):
+ '''Return a file object for the specified file's thumbnail.
+
+ Subclasses can also return a flask.Response instance if required.'''
+ raise NotImplementedError()
+
+ def store_thumbnail(self, f, stream):
+ '''Store thumbnail for the specified file.'''
+ raise NotImplementedError()
diff --git a/fbin/file_storage/filesystem.py b/fbin/file_storage/filesystem.py
index 3b46e34..1259002 100644
--- a/fbin/file_storage/filesystem.py
+++ b/fbin/file_storage/filesystem.py
@@ -8,6 +8,7 @@ class Storage(BaseStorage):
def __init__(self, app):
super().__init__(app)
os.makedirs(self.app.config['FILE_DIRECTORY'], exist_ok=True)
+ os.makedirs(self.app.config['THUMB_DIRECTORY'], exist_ok=True)
def store_file(self, uploaded_file, file_hash, user, ip):
size = uploaded_file.content_length
@@ -45,3 +46,17 @@ class Storage(BaseStorage):
def temp_file(self, f):
with open(f.get_path(), 'rb') as f:
yield f
+
+ def get_thumbnail(self, f):
+ path = f.get_thumb_path()
+ if not os.path.exists(path):
+ return
+ return path
+
+ def store_thumbnail(self, f, stream):
+ path = f.get_thumb_path()
+ with open(path, 'wb') as f:
+ buf = stream.read(1024*10)
+ while buf:
+ f.write(buf)
+ buf = stream.read(1024*10)
diff --git a/fbin/file_storage/s3.py b/fbin/file_storage/s3.py
index 2f0b87b..e81f8b4 100644
--- a/fbin/file_storage/s3.py
+++ b/fbin/file_storage/s3.py
@@ -2,6 +2,7 @@ import contextlib
import tempfile
import boto3
+import botocore.exceptions
from flask import request, send_file
from .base import BaseStorage
@@ -14,8 +15,11 @@ class Storage(BaseStorage):
def _get_object_key(self, file_hash, user_id):
return '{}_{}'.format(file_hash, user_id)
- def get_object_key(self, f):
- return self._get_object_key(f.hash, f.user_id if f.user_id else 0)
+ def get_object_key(self, f, thumb=False):
+ key = self._get_object_key(f.hash, f.user_id if f.user_id else 0)
+ if thumb:
+ key += '_thumb'
+ return key
def store_file(self, uploaded_file, file_hash, user, ip):
bucket = self.client.Bucket(self.app.config['S3_BUCKET'])
@@ -27,8 +31,13 @@ class Storage(BaseStorage):
size = obj.size
return self.add_file(file_hash, uploaded_file.filename, size, user, ip)
- def get_file(self, f):
- obj = self.client.Object(self.app.config['S3_BUCKET'], self.get_object_key(f))
+ def get_file(self, f, thumb=True):
+ key = self.get_object_key(f, thumb=thumb)
+ if thumb:
+ bucket = self.app.config['S3_THUMB_BUCKET'])
+ else:
+ bucket = self.app.config['S3_BUCKET']
+ obj = self.client.Object(bucket, key)
kwargs = {}
if 'Range' in request.headers:
kwargs['Range'] = request.headers['Range']
@@ -44,6 +53,8 @@ class Storage(BaseStorage):
def delete_file(self, f):
obj = self.client.Object(self.app.config['S3_BUCKET'], self.get_object_key(f))
obj.delete()
+ obj = self.client.Object(self.app.config['S3_BUCKET'], self.get_object_key(f, thumb=True))
+ obj.delete()
@contextlib.contextmanager
def temp_file(self, f):
@@ -53,3 +64,16 @@ class Storage(BaseStorage):
f.seek(0)
yield f
+ def get_thumbnail(self, f):
+ try:
+ return self.get_file(f, thumb=True)
+ except botocore.exceptions.ClientError as e:
+ if e.response['Error']['Code'] == 'NoSuchKey':
+ # If thumbnail does not exist, just return None.
+ return
+ raise
+
+ def store_thumbnail(self, f, stream):
+ bucket = self.client.Bucket(self.app.config['S3_THUMB_BUCKET']))
+ key = self.get_object_key(f, thumb=True)
+ obj = bucket.upload_fileobj(Fileobj=stream, Key=key)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 05:59:44 +0200