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from __future__ import print_function
from simplejson import loads
from datetime import datetime
from sqlalchemy import func
from pyramid.view import view_config
from pyramid.settings import asbool
from pyramid.security import (
Everyone, NO_PERMISSION_REQUIRED, remember, forget)
from pyramid.i18n import TranslationStringFactory
from pyramid.httpexceptions import (
HTTPNotFound, HTTPUnauthorized, HTTPBadRequest, HTTPClientError,
HTTPOk, HTTPNoContent, HTTPForbidden, HTTPNotImplemented,
HTTPConflict)
from pyisemail import is_email
from graphql_relay.node.node import from_global_id
from assembl.lib.sqla_types import EmailString
from ...lib import config
from ...lib.exceptions import LocalizableError
from assembl.auth import (
P_ADMIN_DISC, P_SELF_REGISTER, P_SELF_REGISTER_REQUEST,
R_PARTICIPANT, P_READ, CrudPermissions)
from assembl.auth.social_auth import maybe_social_logout
from assembl.models import (
User, Discussion, LocalUserRole, AbstractAgentAccount, AgentProfile,
UserLanguagePreference, AgentStatusInDiscussion, Username,
AbstractConfigurableField, ProfileField)
from assembl.auth.password import (
verify_password_change_token, get_data_token_time, Validity)
from assembl.auth.util import get_permissions, discussion_from_request
from ..traversal import (CollectionContext, InstanceContext, ClassContext)
from ..errors import ErrorTypes
from .. import JSONError
from . import (
FORM_HEADER, JSON_HEADER, collection_view, instance_put_json,
collection_add_json, instance_view, check_permissions, CreationResponse)
from assembl.lib.sqla import ObjectNotUniqueError
from ..auth.views import (
send_change_password_email, from_identifier, send_confirmation_email,
maybe_auto_subscribe, maybe_contextual_route)
from assembl.lib import logging
_ = TranslationStringFactory('assembl')
generic_error_message = _("The provided input combination is not valid.")
@view_config(
context=ClassContext, request_method="PATCH",
ctx_class=LocalUserRole)
@view_config(
context=ClassContext, request_method="PUT",
ctx_class=LocalUserRole)
@view_config(
context=ClassContext, request_method="POST",
ctx_class=LocalUserRole)
def add_local_role_on_class(request):
# Did not securize this route, so forbid it.
raise HTTPNotFound()
@view_config(
context=CollectionContext, request_method="POST",
ctx_named_collection="Discussion.local_user_roles",
header=JSON_HEADER, renderer='json')
@view_config(
context=CollectionContext, request_method="POST",
ctx_named_collection="LocalRoleCollection.local_roles",
header=JSON_HEADER, renderer='json')
def add_local_role(request):
# Do not use check_permissions, this is a special case
ctx = request.context
user_id = request.authenticated_userid
if not user_id:
raise HTTPUnauthorized()
discussion_id = ctx.get_discussion_id()
discussion = Discussion.get(discussion_id)
user_uri = User.uri_generic(user_id)
if discussion_id is None:
raise HTTPBadRequest()
permissions = get_permissions(user_id, discussion_id)
json = request.json_body
if "discussion" not in json:
json["discussion"] = Discussion.uri_generic(discussion_id)
requested_user = json.get('user', None)
if not requested_user:
json['user'] = requested_user = user_uri
elif requested_user != user_uri and P_ADMIN_DISC not in permissions:
raise HTTPUnauthorized()
if P_ADMIN_DISC not in permissions:
if P_SELF_REGISTER in permissions:
json['requested'] = False
json['role'] = R_PARTICIPANT
req_user = User.get_instance(requested_user)
if not discussion.check_authorized_email(req_user):
raise HTTPForbidden()
elif P_SELF_REGISTER_REQUEST in permissions:
json['requested'] = True
else:
raise HTTPUnauthorized()
try:
instances = ctx.create_object("LocalUserRole", json, user_id)
except HTTPClientError as e:
raise e
except Exception as e:
raise HTTPBadRequest(e)
if instances:
first = instances[0]
db = first.db
for instance in instances:
db.add(instance)
db.flush()
# Side effect: materialize subscriptions.
if not first.requested:
# relationship may not be initialized
user = first.user or User.get(first.user_id)
user.get_notification_subscriptions(discussion_id, True)
# Update the user's AgentStatusInDiscussion
user.update_agent_status_subscribe(discussion)
view = request.GET.get('view', None) or 'default'
permissions = get_permissions(
user_id, ctx.get_discussion_id())
return CreationResponse(first, user_id, permissions, view)
@view_config(
context=InstanceContext, request_method="PATCH",
ctx_named_collection_instance="Discussion.local_user_roles",
header=JSON_HEADER, renderer='json')
@view_config(
context=InstanceContext, request_method="PATCH",
ctx_named_collection_instance="LocalRoleCollection.local_roles",
header=JSON_HEADER, renderer='json')
@view_config(
context=InstanceContext, request_method="PUT",
ctx_named_collection_instance="Discussion.local_user_roles",
header=JSON_HEADER, renderer='json')
@view_config(
context=InstanceContext, request_method="PUT",
ctx_named_collection_instance="LocalRoleCollection.local_roles",
header=JSON_HEADER, renderer='json')
def set_local_role(request):
# Do not use check_permissions, this is a special case
ctx = request.context
instance = ctx._instance
user_id = request.authenticated_userid
if not user_id:
raise HTTPUnauthorized()
discussion_id = ctx.get_discussion_id()
user_uri = User.uri_generic(user_id)
if discussion_id is None:
raise HTTPBadRequest()
permissions = get_permissions(user_id, discussion_id)
json = request.json_body
requested_user = json.get('user', None)
if not requested_user:
json['user'] = requested_user = user_uri
elif requested_user != user_uri and P_ADMIN_DISC not in permissions:
raise HTTPUnauthorized()
if P_ADMIN_DISC not in permissions:
if P_SELF_REGISTER in permissions:
json['requested'] = False
json['role'] = R_PARTICIPANT
elif P_SELF_REGISTER_REQUEST in permissions:
json['requested'] = True
else:
raise HTTPUnauthorized()
updated = instance.update_from_json(json, user_id, ctx)
view = request.GET.get('view', None) or 'default'
# Update the user's AgentStatusInDiscussion
user = User.get(user_id)
discussion = Discussion.get(discussion_id)
user.update_agent_status_subscribe(discussion)
if view == 'id_only':
return [updated.uri()]
else:
return updated.generic_json(view, user_id, permissions)
@view_config(
context=InstanceContext, request_method='DELETE',
ctx_named_collection_instance="Discussion.local_user_roles",
renderer='json')
@view_config(
context=InstanceContext, request_method='DELETE',
ctx_named_collection_instance="LocalRoleCollection.local_roles",
renderer='json')
def delete_local_role(request):
ctx = request.context
instance = ctx._instance
user_id = request.authenticated_userid
if not user_id:
raise HTTPUnauthorized()
discussion_id = ctx.get_discussion_id()
if discussion_id is None:
raise HTTPBadRequest()
permissions = get_permissions(user_id, discussion_id)
requested_user = instance.user
if requested_user.id != user_id and P_ADMIN_DISC not in permissions:
raise HTTPUnauthorized()
user = User.get(user_id)
discussion = Discussion.get(discussion_id)
instance.db.delete(instance)
# Update the user's AgentStatusInDiscussion
user.update_agent_status_unsubscribe(discussion)
instance.db.flush() # maybe unnecessary
return {}
@view_config(
context=CollectionContext, request_method="POST",
ctx_named_collection="Discussion.local_user_roles",
header=FORM_HEADER)
@view_config(
context=CollectionContext, request_method="POST",
ctx_named_collection="LocalRoleCollection.local_roles",
header=FORM_HEADER)
def use_json_header_for_LocalUserRole_POST(request):
raise HTTPNotFound()
@view_config(
context=CollectionContext, request_method="PUT",
ctx_named_collection="Discussion.local_user_roles",
header=FORM_HEADER)
@view_config(
context=CollectionContext, request_method="PUT",
ctx_named_collection="LocalRoleCollection.local_roles",
header=FORM_HEADER)
def use_json_header_for_LocalUserRole_PUT(request):
raise HTTPNotFound()
@view_config(context=CollectionContext, renderer='json', request_method='GET',
ctx_collection_class=LocalUserRole,
accept="application/json")
def view_localuserrole_collection(request):
return collection_view(request, 'default')
@view_config(context=CollectionContext, renderer='json', request_method='GET',
ctx_collection_class=AgentProfile,
accept="application/json")
def view_profile_collection(request):
ctx = request.context
view = request.GET.get('view', None) or ctx.get_default_view() or 'default'
content = collection_view(request)
if view != "id_only":
discussion = ctx.get_instance_of_class(Discussion)
if discussion:
from assembl.models import Post, AgentProfile
num_posts_per_user = \
AgentProfile.count_posts_in_discussion_all_profiles(discussion)
for x in content:
id = AgentProfile.get_database_id(x['@id'])
if id in num_posts_per_user:
x['post_count'] = num_posts_per_user[id]
return content
@view_config(context=InstanceContext, renderer='json', request_method='GET',
ctx_instance_class=AgentProfile,
accept="application/json")
def view_agent_profile(request):
profile = instance_view(request)
ctx = request.context
view = ctx.get_default_view() or 'default'
view = request.GET.get('view', view)
if view not in ("id_only", "extended"):
discussion = ctx.get_instance_of_class(Discussion)
if discussion:
profile['post_count'] = ctx._instance.count_posts_in_discussion(
discussion.id)
return profile
@view_config(
context=InstanceContext, ctx_instance_class=AbstractAgentAccount,
request_method='POST', name="verify", renderer='json')
def send_account_verification(request):
ctx = request.context
instance = ctx._instance
if instance.verified:
return HTTPNoContent(
"No need to verify email <%s>" % (instance.email))
request.matchdict = {}
send_confirmation_email(request, instance)
return {}
# Should I add a secure_connection condition?
@view_config(
context=InstanceContext, ctx_instance_class=User,
request_method='POST', name="verify_password", renderer='json')
def verify_password(request):
ctx = request.context
user = ctx._instance
password = request.params.get('password', None)
if password is None:
raise HTTPBadRequest("Please provide a password")
result = user.check_password(password)
if result:
user.successful_login()
return result
@view_config(
context=CollectionContext, ctx_instance_class=User,
request_method='POST', permission=NO_PERMISSION_REQUIRED,
name="logout", renderer='json')
def logout(request):
logout_url = maybe_social_logout(request)
forget(request)
# Interesting question: Should I add a parameter
# to log out of the social service?
@view_config(
context=CollectionContext, ctx_collection_class=AgentProfile,
request_method='POST', permission=NO_PERMISSION_REQUIRED,
name="password_reset", header=JSON_HEADER)
@view_config(
context=ClassContext, ctx_class=AgentProfile, header=JSON_HEADER,
request_method='POST', permission=NO_PERMISSION_REQUIRED,
name="password_reset")
def reset_password(request):
identifier = request.json_body.get('identifier')
user_id = request.json_body.get('user_id')
slug = request.json_body.get('discussion_slug')
logger = logging.getLogger()
discussion = None
if slug:
discussion = Discussion.default_db.query(
Discussion).filter_by(slug=slug).first()
email = None
user = None
localizer = request.localizer
if user_id:
user = AgentProfile.get(int(user_id))
if not user:
logger.error("[Password reset] The user with the identifier %s does not exist" % (identifier))
return HTTPOk(location=maybe_contextual_route(
request, 'password_change_sent', profile_id=user_id,
_query=dict(email=identifier if '@' in identifier else '')))
if identifier:
for account in user.accounts:
if identifier == account.email:
email = identifier
break
elif identifier:
user, account = from_identifier(identifier)
if not user:
logger.error("[Password reset] The user with the identifier %s does not exist" % (identifier))
return HTTPOk(location=maybe_contextual_route(
request, 'password_change_sent', profile_id=user_id,
_query=dict(email=identifier if '@' in identifier else '')))
if account:
email = account.email
else:
error = localizer.translate(_("Please give an identifier"))
raise JSONError(error)
if not email:
if user:
email = user.get_preferred_email()
else:
email = None
if not email:
logger.error("[Password reset] The user with the identifier %s does not exist" % (user.id))
return HTTPOk(location=maybe_contextual_route(
request, 'password_change_sent', profile_id=user_id,
_query=dict(email=identifier if '@' in identifier else '')))
if not isinstance(user, User):
logger.error("This is not a user.")
return HTTPOk(location=maybe_contextual_route(
request, 'password_change_sent', profile_id=user_id,
_query=dict(email=identifier if '@' in identifier else '')))
send_change_password_email(request, user, email, discussion=discussion)
return HTTPOk()
@view_config(
context=CollectionContext, ctx_collection_class=AgentProfile,
request_method='POST', permission=NO_PERMISSION_REQUIRED,
name="do_password_change", header=JSON_HEADER)
@view_config(
context=ClassContext, ctx_class=AgentProfile, header=JSON_HEADER,
request_method='POST', permission=NO_PERMISSION_REQUIRED,
name="do_password_change")
def do_password_change(request):
token = request.json_body.get('token') or ''
password1 = request.json_body.get('password1', '').strip()
password2 = request.json_body.get('password2', '').strip()
localizer = request.localizer
if password1 is '' or password2 is '' or password2 != password1:
error = localizer.translate(
_("The passwords that were entered are mismatched!"))
raise JSONError(error, ErrorTypes.PASSWORD)
# TODO: Check password quality!
user, validity = verify_password_change_token(token)
token_date = get_data_token_time(token)
old_token = (
user is None or token_date is None or (
user.last_login and token_date < user.last_login))
if (validity != Validity.VALID or old_token):
# V-, V+P+W-B-L-: Invalid or obsolete token (obsolete+logged in treated later.)
# Offer to send a new token
if validity != Validity.VALID:
error = localizer.translate(_(
"This link is not valid. Do you want us to send another?"))
else:
error = localizer.translate(_(
"This link has been used. Do you want us to send another?"))
raise JSONError(error, validity)
try:
user.password_p = password1
except LocalizableError as e:
raise JSONError(e.localized_message(localizer))
user.successful_login()
headers = remember(request, user.id)
request.response.headerlist.extend(headers)
return HTTPOk()
@view_config(
context=CollectionContext, ctx_collection_class=AgentProfile,
request_method='POST', header=JSON_HEADER,
permission=NO_PERMISSION_REQUIRED)
@view_config(
context=ClassContext, ctx_class=User, header=JSON_HEADER,
request_method='POST', permission=NO_PERMISSION_REQUIRED)
def assembl_register_user(request):
forget(request)
localizer = request.localizer
session = AgentProfile.default_db
json = request.json
logger = logging.getLogger()
discussion = discussion_from_request(request)
permissions = get_permissions(
Everyone, discussion.id if discussion else None)
name = json.get('real_name', '').strip()
errors = JSONError()
if not name or len(name) < 3:
errors.add_error(localizer.translate(_(
"Please use a name of at least 3 characters")),
ErrorTypes.SHORT_NAME)
password = json.get('password', '').strip()
# TODO: Check password strength. maybe pwdmeter?
email = None
for account in json.get('accounts', ()):
email = account.get('email', None)
if not is_email(email):
errors.add_error(localizer.translate(_(
"This is not a valid email")),
ErrorTypes.INVALID_EMAIL)
continue
email = EmailString.normalize_email_case(email)
# Find agent account to avoid duplicates!
if session.query(AbstractAgentAccount).filter_by(
email_ci=email).count():
if not discussion.preferences['generic_errors']:
errors.add_error(localizer.translate(_(
"We already have a user with this email.")),
ErrorTypes.EXISTING_EMAIL,
HTTPConflict.code)
else:
errors.add_error(localizer.translate(
generic_error_message),
ErrorTypes.GENERIC,
HTTPConflict.code)
logger.error("[User creation]: We already have a user with this email %s" % email)
if not email:
errors.add_error(localizer.translate(_("No email.")),
ErrorTypes.INVALID_EMAIL)
username = json.get('username', None)
if username:
# If you change something here, please make sure to do similar changes
# for the UpdateProfileFields mutation in graphql/configurable_fields.py
if session.query(Username).filter(
func.lower(Username.username) == username.lower()).count():
if not discussion.preferences['generic_errors']:
errors.add_error(localizer.translate(_(
"We already have a user with this username.")),
ErrorTypes.EXISTING_USERNAME,
HTTPConflict.code)
else:
errors.add_error(localizer.translate(
generic_error_message),
ErrorTypes.GENERIC,
HTTPConflict.code)
logger.error("We already have a user with username %s" % username)
if len(username) > 20:
errors.add_error(localizer.translate(_(
"The username must be less than 20 characters.")),
ErrorTypes.USERNAME_TOO_LONG,
HTTPBadRequest.code)
if discussion:
check_subscription = discussion.preferences['whitelist_on_register']
whitelist = discussion.preferences['require_email_domain']
if check_subscription and whitelist:
status = discussion.check_email(email)
if not status:
admin_emails = discussion.get_admin_emails()
num = len(admin_emails)
errors.add_error(
localizer.pluralize(
_("Your email domain has not been approved for registration. Please contact ${emails} for support."),
_("Your email domain has not been approved for registration. Please contact one of ${emails} for support."),
num,
mapping={'emails': ", ".join(admin_emails)}
)
)
if errors:
raise errors
# This logic needs to be above the JSONError checks to ensure that whitelisting is applied
# even if the discussion does not have a P_SELF_REGISTER on system.Everyone
if discussion and not (
P_SELF_REGISTER in permissions or
P_SELF_REGISTER_REQUEST in permissions):
# Consider it without context
discussion = None
validate_registration = asbool(config.get(
'assembl.validate_registration_emails'))
old_autoflush = session.autoflush
session.autoflush = False
try:
now = datetime.utcnow()
user = User(
name=name,
verified=not validate_registration,
creation_date=now
)
try:
user.password_p = password
except LocalizableError as e:
raise JSONError(e.localized_message(localizer))
session.add(user)
session.flush()
user.update_from_json(json, user_id=user.id)
account = user.accounts[0]
email = account.email
account.verified = not validate_registration
if discussion:
agent_status = AgentStatusInDiscussion(
agent_profile=user, discussion=discussion,
first_visit=now, last_visit=now,
user_created_on_this_discussion=True)
session.add(agent_status)
session.flush()
# create the profile fields for custom fields
for global_id, value in json.get('profileFields', {}).iteritems():
configurable_field_id = from_global_id(global_id)[1]
configurable_field = AbstractConfigurableField.get(configurable_field_id)
profile_field = ProfileField(
agent_profile=user,
configurable_field=configurable_field,
discussion=configurable_field.discussion,
value_data={ u'value': value }
)
session.add(profile_field)
session.flush()
if validate_registration:
send_confirmation_email(request, account)
else:
user.verified = True
for account in user.accounts:
account.verified = True
user.successful_login()
if asbool(config.get('pyramid.debug_authorization')):
# for debugging purposes
from assembl.auth.password import email_token
print("email token:", request.route_url(
'user_confirm_email', token=email_token(account)))
if discussion:
check_subscription = discussion.preferences['whitelist_on_register']
maybe_auto_subscribe(user, discussion, check_authorization=check_subscription)
session.flush()
return CreationResponse(user, Everyone, permissions)
finally:
session.autoflush = old_autoflush
@view_config(
context=InstanceContext, ctx_instance_class=AbstractAgentAccount,
request_method='DELETE', renderer='json')
def delete_abstract_agent_account(request):
ctx = request.context
user_id = request.authenticated_userid or Everyone
permissions = get_permissions(
user_id, ctx.get_discussion_id())
instance = ctx._instance
if not instance.user_can(user_id, CrudPermissions.DELETE, permissions):
return HTTPUnauthorized()
if instance.email:
accounts_with_mail = [a for a in instance.profile.accounts if a.email]
if len(accounts_with_mail) == 1:
raise JSONError("This is the last account")
if instance.verified:
verified_accounts_with_mail = [
a for a in accounts_with_mail if a.verified]
if len(verified_accounts_with_mail) == 1:
raise JSONError("This is the last verified account", code=403)
instance.db.delete(instance)
return {}
@view_config(context=InstanceContext, request_method='PATCH',
header=JSON_HEADER, ctx_instance_class=AbstractAgentAccount,
renderer='json')
@view_config(context=InstanceContext, request_method='PUT', header=JSON_HEADER,
ctx_instance_class=AbstractAgentAccount, renderer='json')
def put_abstract_agent_account(request):
instance = request.context._instance
old_preferred = instance.preferred
new_preferred = request.json_body.get('preferred', False)
if new_preferred and not instance.email:
raise HTTPForbidden("Cannot prefer an account without email")
if new_preferred and not instance.verified:
raise HTTPForbidden("Cannot set a non-verified email as preferred")
result = instance_put_json(request)
assert instance.preferred == new_preferred
if new_preferred and not old_preferred:
for account in instance.profile.accounts:
if account != instance:
account.preferred = False
return result
@view_config(context=CollectionContext, request_method='POST',
header=JSON_HEADER, ctx_collection_class=AbstractAgentAccount)
def post_email_account(request):
from assembl.views.auth.views import send_confirmation_email
response = collection_add_json(request)
request.matchdict = {}
instance = request.context.collection_class.get_instance(response.location)
send_confirmation_email(request, instance)
return response
@view_config(
context=InstanceContext, request_method='GET',
ctx_instance_class=AgentProfile,
renderer='json', name='interesting_ideas')
def interesting_ideas(request):
from .discussion import get_analytics_alerts
ctx = request.context
target = request.context._instance
user_id = request.authenticated_userid or Everyone
discussion_id = ctx.get_discussion_id()
permissions = get_permissions(
user_id, discussion_id)
if P_READ not in permissions:
raise HTTPUnauthorized()
if user_id != target.id and P_ADMIN_DISC not in permissions:
raise HTTPUnauthorized()
discussion = Discussion.get(discussion_id)
if not discussion:
raise HTTPNotFound()
result = get_analytics_alerts(
discussion, target.id,
["interesting_to_me"], False)
result = loads(result)['responses'][0]['data'][0]['suggestions']
result = {x['targetID']: x['arguments']['score'] for x in result}
return result
@view_config(context=CollectionContext, request_method='POST', renderer="json",
header=JSON_HEADER, ctx_collection_class=UserLanguagePreference)
def add_user_language_preference(request):
ctx = request.context
user_id = request.authenticated_userid or Everyone
permissions = get_permissions(
user_id, ctx.get_discussion_id())
check_permissions(ctx, user_id, permissions, CrudPermissions.CREATE)
typename = ctx.collection_class.external_typename()
json = request.json_body
try:
instances = ctx.create_object(typename, json, user_id)
except ObjectNotUniqueError as e:
raise JSONError(str(e), code=409)
except Exception as e:
raise HTTPBadRequest(e)
if instances:
first = instances[0]
db = first.db
for instance in instances:
db.add(instance)
db.flush()
view = request.GET.get('view', None) or 'default'
return CreationResponse(first, user_id, permissions, view)
@view_config(context=InstanceContext, request_method='PUT', renderer="json",
header=JSON_HEADER, ctx_instance_class=UserLanguagePreference)
@view_config(context=InstanceContext, request_method='PATCH', renderer="json",
header=JSON_HEADER, ctx_instance_class=UserLanguagePreference)
def modify_user_language_preference(request):
json_data = request.json_body
ctx = request.context
user_id = request.authenticated_userid or Everyone
permissions = get_permissions(
user_id, ctx.get_discussion_id())
instance = ctx._instance
if not instance.user_can(user_id, CrudPermissions.UPDATE, permissions):
return HTTPUnauthorized()
try:
updated = instance.update_from_json(json_data, user_id, ctx)
view = request.GET.get('view', None) or 'default'
if view == 'id_only':
return [updated.uri()]
else:
return updated.generic_json(view, user_id, permissions)
except NotImplemented:
raise HTTPNotImplemented()
except ObjectNotUniqueError as e:
raise JSONError(str(e), code=409)