228 lines
9.0 KiB
Python
228 lines
9.0 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
|
|
# Copyright (C) 2011, 2012 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/>.
|
|
|
|
from mediagoblin import messages
|
|
import mediagoblin.mg_globals as mg_globals
|
|
import uuid
|
|
from os.path import splitext
|
|
|
|
from celery import registry
|
|
import urllib
|
|
import urllib2
|
|
import logging
|
|
|
|
_log = logging.getLogger(__name__)
|
|
|
|
from werkzeug.utils import secure_filename
|
|
from werkzeug.datastructures import FileStorage
|
|
|
|
from mediagoblin.db.util import ObjectId
|
|
from mediagoblin.tools.text import convert_to_tag_list_of_dicts
|
|
from mediagoblin.tools.translate import pass_to_ugettext as _
|
|
from mediagoblin.tools.response import render_to_response, redirect
|
|
from mediagoblin.decorators import require_active_login
|
|
from mediagoblin.submit import forms as submit_forms
|
|
from mediagoblin.processing import mark_entry_failed
|
|
from mediagoblin.processing.task import ProcessMedia
|
|
from mediagoblin.messages import add_message, SUCCESS
|
|
from mediagoblin.media_types import sniff_media, \
|
|
InvalidFileType, FileTypeNotSupported
|
|
|
|
|
|
@require_active_login
|
|
def submit_start(request):
|
|
"""
|
|
First view for submitting a file.
|
|
"""
|
|
submit_form = submit_forms.SubmitStartForm(request.form)
|
|
|
|
if request.method == 'POST' and submit_form.validate():
|
|
if not ('file' in request.files
|
|
and isinstance(request.files['file'], FileStorage)
|
|
and request.files['file'].stream):
|
|
submit_form.file.errors.append(
|
|
_(u'You must provide a file.'))
|
|
else:
|
|
try:
|
|
filename = request.files['file'].filename
|
|
|
|
# Sniff the submitted media to determine which
|
|
# media plugin should handle processing
|
|
media_type, media_manager = sniff_media(
|
|
request.files['file'])
|
|
|
|
# create entry and save in database
|
|
entry = request.db.MediaEntry()
|
|
entry.id = ObjectId()
|
|
entry.media_type = unicode(media_type)
|
|
entry.title = (
|
|
unicode(request.form['title'])
|
|
or unicode(splitext(filename)[0]))
|
|
|
|
entry.description = unicode(request.form.get('description'))
|
|
|
|
entry.license = unicode(request.form.get('license', "")) or None
|
|
|
|
entry.uploader = request.user.id
|
|
|
|
# Process the user's folksonomy "tags"
|
|
entry.tags = convert_to_tag_list_of_dicts(
|
|
request.form.get('tags'))
|
|
|
|
# Generate a slug from the title
|
|
entry.generate_slug()
|
|
|
|
# We generate this ourselves so we know what the taks id is for
|
|
# retrieval later.
|
|
|
|
# (If we got it off the task's auto-generation, there'd be
|
|
# a risk of a race condition when we'd save after sending
|
|
# off the task)
|
|
task_id = unicode(uuid.uuid4())
|
|
|
|
# Now store generate the queueing related filename
|
|
queue_filepath = request.app.queue_store.get_unique_filepath(
|
|
['media_entries',
|
|
task_id,
|
|
secure_filename(filename)])
|
|
|
|
# queue appropriately
|
|
queue_file = request.app.queue_store.get_file(
|
|
queue_filepath, 'wb')
|
|
|
|
with queue_file:
|
|
queue_file.write(request.files['file'].stream.read())
|
|
|
|
# Add queued filename to the entry
|
|
entry.queued_media_file = queue_filepath
|
|
|
|
entry.queued_task_id = task_id
|
|
|
|
# Save now so we have this data before kicking off processing
|
|
entry.save()
|
|
|
|
# Pass off to processing
|
|
#
|
|
# (... don't change entry after this point to avoid race
|
|
# conditions with changes to the document via processing code)
|
|
process_media = registry.tasks[ProcessMedia.name]
|
|
try:
|
|
process_media.apply_async(
|
|
[unicode(entry.id)], {},
|
|
task_id=task_id)
|
|
except BaseException as exc:
|
|
# The purpose of this section is because when running in "lazy"
|
|
# or always-eager-with-exceptions-propagated celery mode that
|
|
# the failure handling won't happen on Celery end. Since we
|
|
# expect a lot of users to run things in this way we have to
|
|
# capture stuff here.
|
|
#
|
|
# ... not completely the diaper pattern because the
|
|
# exception is re-raised :)
|
|
mark_entry_failed(entry.id, exc)
|
|
# re-raise the exception
|
|
raise
|
|
|
|
if mg_globals.app_config["push_urls"]:
|
|
feed_url = request.urlgen(
|
|
'mediagoblin.user_pages.atom_feed',
|
|
qualified=True,
|
|
user=request.user.username)
|
|
hubparameters = {
|
|
'hub.mode': 'publish',
|
|
'hub.url': feed_url}
|
|
hubdata = urllib.urlencode(hubparameters)
|
|
hubheaders = {
|
|
"Content-type": "application/x-www-form-urlencoded",
|
|
"Connection": "close"}
|
|
for huburl in mg_globals.app_config["push_urls"]:
|
|
hubrequest = urllib2.Request(huburl, hubdata, hubheaders)
|
|
try:
|
|
hubresponse = urllib2.urlopen(hubrequest)
|
|
except urllib2.HTTPError as exc:
|
|
# This is not a big issue, the item will be fetched
|
|
# by the PuSH server next time we hit it
|
|
_log.warning(
|
|
"push url %r gave error %r", huburl, exc.code)
|
|
except urllib2.URLError as exc:
|
|
_log.warning(
|
|
"push url %r is unreachable %r", huburl, exc.reason)
|
|
|
|
add_message(request, SUCCESS, _('Woohoo! Submitted!'))
|
|
|
|
return redirect(request, "mediagoblin.user_pages.user_home",
|
|
user=request.user.username)
|
|
except Exception as e:
|
|
'''
|
|
This section is intended to catch exceptions raised in
|
|
mediagoblin.media_types
|
|
'''
|
|
if isinstance(e, InvalidFileType) or \
|
|
isinstance(e, FileTypeNotSupported):
|
|
submit_form.file.errors.append(
|
|
e)
|
|
else:
|
|
raise
|
|
|
|
return render_to_response(
|
|
request,
|
|
'mediagoblin/submit/start.html',
|
|
{'submit_form': submit_form,
|
|
'app_config': mg_globals.app_config})
|
|
|
|
@require_active_login
|
|
def add_collection(request, media=None):
|
|
"""
|
|
View to create a new collection
|
|
"""
|
|
submit_form = submit_forms.AddCollectionForm(request.form)
|
|
|
|
if request.method == 'POST' and submit_form.validate():
|
|
try:
|
|
collection = request.db.Collection()
|
|
collection.id = ObjectId()
|
|
|
|
collection.title = unicode(request.form['title'])
|
|
|
|
collection.description = unicode(request.form.get('description'))
|
|
collection.creator = request.user.id
|
|
collection.generate_slug()
|
|
|
|
# Make sure this user isn't duplicating an existing collection
|
|
existing_collection = request.db.Collection.find_one({
|
|
'creator': request.user.id,
|
|
'title':collection.title})
|
|
|
|
if existing_collection:
|
|
messages.add_message(
|
|
request, messages.ERROR, _('You already have a collection called "%s"!' % collection.title))
|
|
else:
|
|
collection.save()
|
|
|
|
add_message(request, SUCCESS, _('Collection "%s" added!' % collection.title))
|
|
|
|
return redirect(request, "mediagoblin.user_pages.user_home",
|
|
user=request.user.username)
|
|
|
|
except Exception as e:
|
|
raise
|
|
|
|
return render_to_response(
|
|
request,
|
|
'mediagoblin/submit/collection.html',
|
|
{'submit_form': submit_form,
|
|
'app_config': mg_globals.app_config})
|