epicyon/daemon_post_image.py

80 lines
2.6 KiB
Python

__filename__ = "daemon_post_image.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.5.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@libreserver.org"
__status__ = "Production"
__module_group__ = "Core POST"
import os
import errno
from socket import error as SocketError
from httpcodes import http_404
from utils import acct_dir
from utils import get_image_extension_from_mime_type
from utils import binary_is_image
def receive_image_attachment(self, length: int, path: str, base_dir: str,
domain: str, debug: bool,
outbox_authenticated: bool) -> None:
"""Receives an image via POST
"""
if not outbox_authenticated:
if debug:
print('DEBUG: unauthenticated attempt to ' +
'post image to outbox')
self.send_response(403)
self.end_headers()
self.server.postreq_busy = False
return
path_users_section = path.split('/users/')[1]
if '/' not in path_users_section:
http_404(self, 12)
self.server.postreq_busy = False
return
self.post_from_nickname = path_users_section.split('/')[0]
accounts_dir = acct_dir(base_dir, self.post_from_nickname, domain)
if not os.path.isdir(accounts_dir):
http_404(self, 13)
self.server.postreq_busy = False
return
try:
media_bytes = self.rfile.read(length)
except SocketError as ex:
if ex.errno == errno.ECONNRESET:
print('EX: POST media_bytes ' +
'connection reset by peer')
else:
print('EX: POST media_bytes socket error')
self.send_response(400)
self.end_headers()
self.server.postreq_busy = False
return
except ValueError as ex:
print('EX: POST media_bytes rfile.read failed, ' + str(ex))
self.send_response(400)
self.end_headers()
self.server.postreq_busy = False
return
media_filename_base = accounts_dir + '/upload'
media_filename = \
media_filename_base + '.' + \
get_image_extension_from_mime_type(self.headers['Content-type'])
if not binary_is_image(media_filename, media_bytes):
print('WARN: _receive_image image binary is not recognized ' +
media_filename)
try:
with open(media_filename, 'wb') as av_file:
av_file.write(media_bytes)
except OSError:
print('EX: receive_image_attachment unable to write ' + media_filename)
if debug:
print('DEBUG: image saved to ' + media_filename)
self.send_response(201)
self.end_headers()
self.server.postreq_busy = False