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from askbot.utils import decorators
from askbot import const
from askbot import models
from askbot import mail
from datetime import datetime
from django.utils.translation import string_concat
from django.utils.translation import ungettext
from django.utils.translation import ugettext as _
from django.template.loader import get_template
from django.conf import settings as django_settings
from django.contrib.contenttypes.models import ContentType
from django.db.models import Q
from django.utils.encoding import force_text
from django.template import RequestContext
from django.views.decorators import csrf
from django.utils.encoding import force_text
from django.core import exceptions
from django.utils import simplejson
EDIT_ACTIVITY_TYPES = (
const.TYPE_ACTIVITY_MODERATED_NEW_POST,
const.TYPE_ACTIVITY_MODERATED_POST_EDIT
)
MOD_ACTIVITY_TYPES = EDIT_ACTIVITY_TYPES + (const.TYPE_ACTIVITY_MARK_OFFENSIVE,)
#some utility functions
def get_object(memo):
content_object = memo.activity.content_object
if isinstance(content_object, models.PostRevision):
return content_object.post
else:
return content_object
def get_editors(memo_set):
"""returns editors corresponding to the memo set
some memos won't yeild editors - if the related object
is post and it has > 1 editor (in which case we don't know
who was the editor that we want to block!!!
this applies to flagged posts.
todo: an inconvenience is that "offensive flags" are stored
differently in the Activity vs. "new moderated posts" or "post edits"
"""
editors = set()
for memo in memo_set:
obj = memo.activity.content_object
if isinstance(obj, models.PostRevision):
editors.add(obj.author)
elif isinstance(obj, models.Post):
rev_authors = set()
for rev in obj.revisions.all():
rev_authors.add(rev.author)
#if we have > 1 author we skip, b/c don't know
#which user we want to block
if len(rev_authors) == 1:
editors.update(rev_authors)
return editors
def filter_admins(users):
filtered = set()
for user in users:
if not user.is_administrator_or_moderator():
filtered.add(user)
return filtered
def concat_messages(message1, message2):
if message1:
message = string_concat(message1, ', ')
return string_concat(message, message2)
else:
return message2
@csrf.csrf_exempt
@decorators.post_only
@decorators.ajax_only
def moderate_post_edits(request):
if request.user.is_anonymous():
raise exceptions.PermissionDenied()
if not request.user.is_administrator_or_moderator():
raise exceptions.PermissionDenied()
post_data = simplejson.loads(request.raw_post_data)
#{'action': 'decline-with-reason', 'items': ['posts'], 'reason': 1, 'edit_ids': [827]}
memo_set = models.ActivityAuditStatus.objects.filter(id__in=post_data['edit_ids'])
result = {
'message': '',
'memo_ids': set()
}
#if we are approving or declining users we need to expand the memo_set
#to all of their edits of those users
if post_data['action'] in ('block', 'approve') and 'users' in post_data['items']:
editors = filter_admins(get_editors(memo_set))
items = models.Activity.objects.filter(
activity_type__in=EDIT_ACTIVITY_TYPES,
user__in=editors
)
memo_filter = Q(id__in=post_data['edit_ids']) | Q(user=request.user, activity__in=items)
memo_set = models.ActivityAuditStatus.objects.filter(memo_filter)
memo_set.select_related('activity')
if post_data['action'] == 'decline-with-reason':
#todo: bunch notifications - one per recipient
num_posts = 0
for memo in memo_set:
post = get_object(memo)
request.user.delete_post(post)
reject_reason = models.PostFlagReason.objects.get(id=post_data['reason'])
template = get_template('email/rejected_post.html')
data = {
'post': post.html,
'reject_reason': reject_reason.details.html
}
body_text = template.render(RequestContext(request, data))
mail.send_mail(
subject_line = _('your post was not accepted'),
body_text = unicode(body_text),
recipient_list = [post.author.email,]
)
num_posts += 1
#message to moderator
if num_posts:
posts_message = ungettext('%d post deleted', '%d posts deleted', num_posts) % num_posts
result['message'] = concat_messages(result['message'], posts_message)
elif post_data['action'] == 'approve':
num_posts = 0
if 'posts' in post_data['items']:
for memo in memo_set:
if memo.activity.activity_type == const.TYPE_ACTIVITY_MARK_OFFENSIVE:
#unflag the post
content_object = memo.activity.content_object
request.user.flag_post(content_object, cancel_all=True, force=True)
num_posts += 1
else:
revision = memo.activity.content_object
if isinstance(revision, models.PostRevision):
request.user.approve_post_revision(revision)
num_posts += 1
if num_posts > 0:
posts_message = ungettext('%d post approved', '%d posts approved', num_posts) % num_posts
result['message'] = concat_messages(result['message'], posts_message)
if 'users' in post_data['items']:
editors = filter_admins(get_editors(memo_set))
assert(request.user not in editors)
for editor in editors:
editor.set_status('a')
num_editors = len(editors)
if num_editors:
users_message = ungettext('%d user approved', '%d users approved', num_editors) % num_editors
result['message'] = concat_messages(result['message'], users_message)
elif post_data['action'] == 'block':
if 'users' in post_data['items']:
editors = filter_admins(get_editors(memo_set))
assert(request.user not in editors)
num_posts = 0
for editor in editors:
#block user
editor.set_status('b')
#delete all content by the user
num_posts += request.user.delete_all_content_authored_by_user(editor)
if num_posts:
posts_message = ungettext('%d post deleted', '%d posts deleted', num_posts) % num_posts
result['message'] = concat_messages(result['message'], posts_message)
num_editors = len(editors)
if num_editors:
users_message = ungettext('%d user blocked', '%d users blocked', num_editors) % num_editors
result['message'] = concat_messages(result['message'], users_message)
moderate_ips = getattr(django_settings, 'ASKBOT_IP_MODERATION_ENABLED', False)
if moderate_ips and 'ips' in post_data['items']:
ips = set()
for memo in memo_set:
obj = memo.activity.content_object
if isinstance(obj, models.PostRevision):
ips.add(obj.ip_addr)
#to make sure to not block the admin and
#in case REMOTE_ADDR is a proxy server - not
#block access to the site
my_ip = request.META.get('REMOTE_ADDR')
if my_ip in ips:
ips.remove(my_ip)
from stopforumspam.models import Cache
already_blocked = Cache.objects.filter(ip__in=ips)
already_blocked.update(permanent=True)
already_blocked_ips = already_blocked.values_list('ip', flat=True)
ips = ips - set(already_blocked_ips)
for ip in ips:
cache = Cache(ip=ip, permanent=True)
cache.save()
num_ips = len(ips)
if num_ips:
ips_message = ungettext('%d ip blocked', '%d ips blocked', num_ips) % num_ips
result['message'] = concat_messages(result['message'], ips_message)
result['memo_ids'] = [memo.id for memo in memo_set]#why values_list() fails here?
result['message'] = force_text(result['message'])
#delete items from the moderation queue
act_ids = list(memo_set.values_list('activity_id', flat=True))
acts = models.Activity.objects.filter(id__in=act_ids)
memos = models.ActivityAuditStatus.objects.filter(activity__id__in=act_ids)
memos.delete()
acts.delete()
request.user.update_response_counts()
result['memo_count'] = request.user.get_notifications(MOD_ACTIVITY_TYPES).count()
return result
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