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# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2016 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import six
from datetime import datetime
from itsdangerous import BadSignature
from werkzeug.exceptions import Forbidden
from werkzeug.utils import secure_filename
from mediagoblin import messages
from mediagoblin import mg_globals
from mediagoblin.plugins.subtitles import forms
from mediagoblin.decorators import (require_active_login, active_user_from_url,
get_media_entry_by_id, user_may_delete_media)
from mediagoblin.tools.metadata import (compact_and_validate, DEFAULT_CHECKER,
DEFAULT_SCHEMA)
from mediagoblin.tools.response import (render_to_response,
redirect, redirect_obj, render_404)
import mimetypes
from mediagoblin.plugins.subtitles.tools import open_subtitle,save_subtitle
UNSAFE_MIMETYPES = [
'text/html',
'text/svg+xml']
@get_media_entry_by_id
@user_may_delete_media
@require_active_login
def edit_subtitles(request, media):
# This was originally quite a long list of allowed extensions, but as far as
# I understand, Video.js only supports WebVTT format subtitles:
# https://docs.videojs.com/docs/guides/text-tracks.html
allowed_extensions = ['vtt']
form = forms.EditSubtitlesForm(request.form)
# Add any subtitles
if 'subtitle_file' in request.files \
and request.files['subtitle_file']:
if mimetypes.guess_type(
request.files['subtitle_file'].filename)[0] in \
UNSAFE_MIMETYPES:
public_filename = secure_filename('{}.notsafe'.format(
request.files['subtitle_file'].filename))
else:
public_filename = secure_filename(
request.files['subtitle_file'].filename)
filepath = request.files['subtitle_file'].filename
if filepath.split('.')[-1] not in allowed_extensions :
messages.add_message(
request,
messages.ERROR,
("Invalid subtitle file"))
return redirect(request,
location=media.url_for_self(request.urlgen))
subtitle_public_filepath = mg_globals.public_store.get_unique_filepath(
['media_entries', str(media.id), 'subtitle',
public_filename])
with mg_globals.public_store.get_file(
subtitle_public_filepath, 'wb') as subtitle_public_file:
subtitle_public_file.write(
request.files['subtitle_file'].stream.read())
request.files['subtitle_file'].stream.close()
media.subtitle_files.append(dict(
name=form.subtitle_language.data \
or request.files['subtitle_file'].filename,
filepath=subtitle_public_filepath,
created=datetime.utcnow(),
))
media.save()
messages.add_message(
request,
messages.SUCCESS,
("You added the subtitle %s!") %
(form.subtitle_language.data or
request.files['subtitle_file'].filename))
return redirect(request,
location=media.url_for_self(request.urlgen))
return render_to_response(
request,
'mediagoblin/plugins/subtitles/subtitles.html',
{'media': media,
'form': form})
@require_active_login
@get_media_entry_by_id
@user_may_delete_media
def custom_subtitles(request,media,id=None):
id = request.matchdict['id']
path = ""
for subtitle in media.subtitle_files:
if subtitle["id"] == id:
path = subtitle["filepath"]
text = ""
value = open_subtitle(path)
text, status = value[0], value[1]
if status == True :
form = forms.CustomizeSubtitlesForm(request.form,
subtitle=text)
if request.method == 'POST' and form.validate():
subtitle_data = form.subtitle.data
status = save_subtitle(path,subtitle_data)
if status == True:
messages.add_message(
request,
messages.SUCCESS,
("Subtitle file changed!!!"))
return redirect(request,
location=media.url_for_self(request.urlgen))
else :
messages.add_message(
request,
messages.ERROR,
("Couldn't edit the subtitles!!!"))
return redirect(request,
location=media.url_for_self(request.urlgen))
return render_to_response(
request,
"mediagoblin/plugins/subtitles/custom_subtitles.html",
{"id": id,
"media": media,
"form": form })
else:
index = 0
for subtitle in media.subtitle_files:
if subtitle["id"] == id:
delete_container = index
media.subtitle_files.pop(delete_container)
media.save()
break
index += 1
messages.add_message(
request,
messages.ERROR,
("File link broken! Upload the subtitle again"))
return redirect(request,
location=media.url_for_self(request.urlgen))
@require_active_login
@get_media_entry_by_id
@user_may_delete_media
def delete_subtitles(request,media):
id = request.matchdict['id']
delete_container = None
index = 0
for subtitle in media.subtitle_files:
if subtitle["id"] == id:
path = subtitle["filepath"]
mg_globals.public_store.delete_file(path)
delete_container = index
media.subtitle_files.pop(delete_container)
media.save()
break
index += 1
messages.add_message(
request,
messages.SUCCESS,
("Subtitle file deleted!!!"))
return redirect(request,
location=media.url_for_self(request.urlgen))
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