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#!/usr/bin/python -S
#
# Copyright 2009-2011 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Remove personal details of a user from the database, leaving a stub."""
__metaclass__ = type
__all__ = []
from optparse import OptionParser
import sys
import _pythonpath
from canonical.database.sqlbase import (
connect,
sqlvalues,
)
from lp.services.scripts import (
db_options,
logger,
logger_options,
)
from lp.answers.enums import QuestionStatus
from lp.registry.interfaces.person import PersonCreationRationale
def close_account(con, log, username):
"""Close a person's account.
Return True on success, or log an error message and return False
"""
cur = con.cursor()
cur.execute("""
SELECT Person.id, Person.account, name, teamowner
FROM Person
LEFT OUTER JOIN EmailAddress ON Person.id = EmailAddress.person
WHERE name = %(username)s OR lower(email) = lower(%(username)s)
""", vars())
try:
person_id, account_id, username, teamowner = cur.fetchone()
except TypeError:
log.fatal("User %s does not exist" % username)
return False
# We don't do teams
if teamowner is not None:
log.fatal("%s is a team" % username)
return False
log.info("Closing %s's account" % username)
def table_notification(table):
log.debug("Handling the %s table" % table)
# All names starting with 'removed' are blacklisted, so this will always
# succeed.
new_name = 'removed%d' % person_id
# Remove the EmailAddress. This is the most important step, as
# people requesting account removal seem to primarily be interested
# in ensuring we no longer store this information.
table_notification('EmailAddress')
cur.execute("""
DELETE FROM EmailAddress WHERE person = %s
""" % sqlvalues(person_id))
# Clean out personal details from the Person table
table_notification('Person')
unknown_rationale = PersonCreationRationale.UNKNOWN.value
cur.execute("""
UPDATE Person
SET
displayname = 'Removed by request',
name=%(new_name)s,
language = NULL,
account = NULL,
homepage_content = NULL,
icon = NULL,
mugshot = NULL,
hide_email_addresses = TRUE,
registrant = NULL,
logo = NULL,
creation_rationale = %(unknown_rationale)s,
creation_comment = NULL
WHERE id = %(person_id)s
""", vars())
# Remove the Account. We don't set the status to deactivated,
# as this script is used to satisfy people who insist on us removing
# all their personal details from our systems. This includes any
# identification tokens like email addresses or openid identifiers.
# So the Account record would be unusable, and contain no useful
# information.
table_notification('Account')
if account_id is not None:
cur.execute("""
DELETE FROM Account WHERE id = %s
""" % sqlvalues(account_id))
# Reassign their bugs
table_notification('BugTask')
cur.execute("""
UPDATE BugTask SET assignee = NULL WHERE assignee = %(person_id)s
""", vars())
# Reassign questions assigned to the user, and close all their questions
# since nobody else can
table_notification('Question')
cur.execute("""
UPDATE Question SET assignee=NULL WHERE assignee=%(person_id)s
""", vars())
closed_question_status = QuestionStatus.SOLVED.value
cur.execute("""
UPDATE Question
SET status=%(closed_question_status)s, whiteboard=
'Closed by Launchpad due to owner requesting account removal'
WHERE owner=%(person_id)s
""", vars())
# Remove rows from tables in simple cases in the given order
removals = [
# Trash their email addresses. Unsociable privacy nut jobs who request
# account removal would be pissed if they reregistered with their old
# email address and this resurrected their deleted account, as the
# email address is probably the piece of data we store that they where
# most concerned with being removed from our systems.
('EmailAddress', 'person'),
# Trash their codes of conduct and GPG keys
('SignedCodeOfConduct', 'owner'),
('GpgKey', 'owner'),
# Subscriptions
('BranchSubscription', 'person'),
('BugSubscription', 'person'),
('QuestionSubscription', 'person'),
('SpecificationSubscription', 'person'),
# Personal stuff, freeing up the namespace for others who want to play
# or just to remove any fingerprints identifying the user.
('IrcId', 'person'),
('JabberId', 'person'),
('WikiName', 'person'),
('PersonLanguage', 'person'),
('PersonLocation', 'person'),
('SshKey', 'person'),
# Karma
('Karma', 'person'),
('KarmaCache', 'person'),
('KarmaTotalCache', 'person'),
# Team memberships
('TeamMembership', 'person'),
('TeamParticipation', 'person'),
# Contacts
('AnswerContact', 'person'),
# Pending items in queues
('POExportRequest', 'person'),
]
for table, person_id_column in removals:
table_notification(table)
cur.execute("""
DELETE FROM %(table)s WHERE %(person_id_column)s=%(person_id)d
""" % vars())
# Trash Sprint Attendance records in the future.
table_notification('SprintAttendance')
cur.execute("""
DELETE FROM SprintAttendance
USING Sprint
WHERE Sprint.id = SprintAttendance.sprint
AND attendee=%(person_id)s
AND Sprint.time_starts > CURRENT_TIMESTAMP AT TIME ZONE 'UTC'
""", vars())
return True
def main():
parser = OptionParser(
'%prog [options] (username|email) [...]'
)
db_options(parser)
logger_options(parser)
(options, args) = parser.parse_args()
if len(args) == 0:
parser.error("Must specify username (Person.name)")
log = logger(options)
con = None
try:
log.debug("Connecting to database")
con = connect()
for username in args:
if not close_account(con, log, username):
log.debug("Rolling back")
con.rollback()
return 1
log.debug("Committing changes")
con.commit()
return 0
except:
log.exception("Unhandled exception")
log.debug("Rolling back")
if con is not None:
con.rollback()
return 1
if __name__ == '__main__':
sys.exit(main())
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