def message_notification_email(data):
"""Queues a system email for a new message notification."""
from v1.lib.pages import MessageNotificationEmail
MAX_EMAILS_PER_DAY = 1000
MESSAGE_THROTTLE_KEY = 'message_notification_emails'
# If our counter's expired, initialize it again.
g.cache.add(MESSAGE_THROTTLE_KEY, 0, time=24 * 60 * 60)
for datum in data.itervalues():
datum = json.loads(datum)
user = Account._byID36(datum['to'], data=True)
comment = Comment._by_fullname(datum['comment'], data=True)
# In case a user has enabled the preference while it was enabled for
# them, but we've since turned it off. We need to explicitly state the
# user because we're not in the context of an HTTP request from them.
if not feature.is_enabled('orangereds_as_emails', user=user):
continue
if g.cache.get(MESSAGE_THROTTLE_KEY) > MAX_EMAILS_PER_DAY:
raise Exception(
'Message notification emails: safety limit exceeded!')
mac = generate_notification_email_unsubscribe_token(
datum['to'],
user_email=user.email,
user_password_hash=user.password)
base = g.https_endpoint or g.origin
unsubscribe_link = base + '/mail/unsubscribe/%s/%s' % (datum['to'],
mac)
templateData = {
'sender_username': datum.get('from', ''),
'comment': comment,
'permalink': datum['permalink'],
'unsubscribe_link': unsubscribe_link,
}
_system_email(
user.email,
MessageNotificationEmail(**templateData).render(style='email'),
Email.Kind.MESSAGE_NOTIFICATION,
from_address=g.notification_email)
g.stats.simple_event('email.message_notification.queued')
g.cache.incr(MESSAGE_THROTTLE_KEY)
def get_details(cls, thing, voters=None):
from v1.models import Comment, Link
if isinstance(thing, Link):
details_cls = VoteDetailsByLink
elif isinstance(thing, Comment):
details_cls = VoteDetailsByComment
else:
raise ValueError
voter_id36s = None
if voters:
voter_id36s = [voter._id36 for voter in voters]
try:
row = details_cls._byID(thing._id36, properties=voter_id36s)
raw_details = row._values()
except tdb_cassandra.NotFound:
return []
try:
row = VoterIPByThing._byID(thing._fullname, properties=voter_id36s)
ips = row._values()
except tdb_cassandra.NotFound:
ips = {}
details = []
for voter_id36, json_data in raw_details.iteritems():
data = json.loads(json_data)
data = cls.convert_old_details(data)
user = Account._byID36(voter_id36, data=True)
direction = Vote.deserialize_direction(data.pop("direction"))
date = datetime.utcfromtimestamp(data.pop("date"))
effects = data.pop("effects")
data["ip"] = ips.get(voter_id36)
vote = Vote(user, thing, direction, date, data, effects,
get_previous_vote=False)
details.append(vote)
details.sort(key=lambda d: d.date)
return details
def generate_notification_email_unsubscribe_token(user_id36,
user_email=None,
user_password_hash=None):
"""Generate a token used for one-click unsubscribe links for notification
emails.
user_id36: A base36-encoded user id.
user_email: The user's email. Looked up if not provided.
user_password_hash: The hash of the user's password. Looked up if not
provided.
"""
import hashlib
import hmac
if (not user_email) or (not user_password_hash):
user = Account._byID36(user_id36, data=True)
if not user_email:
user_email = user.email
if not user_password_hash:
user_password_hash = user.password
return hmac.new(g.secrets['email_notifications'],
user_id36 + user_email + user_password_hash,
hashlib.sha256).hexdigest()
def add_props(cls, user, wrapped):
from v1.lib.db.thing import Thing
from v1.lib.menus import QueryButton
from v1.lib.pages import WrappedUser
from v1.models import (
Account,
Link,
ModSR,
MultiVerbify,
Subverbify,
)
target_names = {item.target_fullname for item in wrapped
if hasattr(item, "target_fullname")}
targets = Thing._by_fullname(target_names, data=True)
# get moderators
moderators = Account._byID36({item.mod_id36 for item in wrapped},
data=True)
# get authors for targets that are Links or Comments
target_author_names = {target.author_id for target in targets.values()
if hasattr(target, "author_id")}
target_authors = Account._byID(target_author_names, data=True)
# get parent links for targets that are Comments
parent_link_names = {target.link_id for target in targets.values()
if hasattr(target, "link_id")}
parent_links = Link._byID(parent_link_names, data=True)
# get subverbifys
srs = Subverbify._byID36({item.sr_id36 for item in wrapped}, data=True)
for item in wrapped:
item.moderator = moderators[item.mod_id36]
item.subverbify = srs[item.sr_id36]
item.text = cls._text.get(item.action, '')
item.target = None
item.target_author = None
if hasattr(item, "target_fullname") and item.target_fullname:
item.target = targets[item.target_fullname]
if hasattr(item.target, "author_id"):
author_name = item.target.author_id
item.target_author = target_authors[author_name]
if hasattr(item.target, "link_id"):
parent_link_name = item.target.link_id
item.parent_link = parent_links[parent_link_name]
if isinstance(item.target, Account):
item.target_author = item.target
if c.render_style == "html":
request_path = request.path
# make wrapped users for targets that are accounts
user_targets = filter(lambda target: isinstance(target, Account),
targets.values())
wrapped_user_targets = {user._fullname: WrappedUser(user)
for user in user_targets}
for item in wrapped:
if isinstance(item.target, Account):
user_name = item.target._fullname
item.wrapped_user_target = wrapped_user_targets[user_name]
css_class = 'modactions %s' % item.action
action_button = QueryButton(
'', item.action, query_param='type', css_class=css_class)
action_button.build(base_path=request_path)
item.action_button = action_button
mod_button = QueryButton(
item.moderator.name, item.moderator.name, query_param='mod')
mod_button.build(base_path=request_path)
item.mod_button = mod_button
if isinstance(c.site, ModSR) or isinstance(c.site, MultiVerbify):
rgb = item.subverbify.get_rgb()
item.bgcolor = 'rgb(%s,%s,%s)' % rgb
item.is_multi = True
else:
item.bgcolor = "rgb(255,255,255)"
item.is_multi = False
