gitlab-org--gitlab-foss/spec/models/active_session_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
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RSpec.describe ActiveSession, :clean_gitlab_redis_sessions do
let(:lookup_key) { described_class.lookup_key_name(user.id) }
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let(:user) do
create(:user).tap do |user|
user.current_sign_in_at = Time.current
end
end
let(:rack_session) { Rack::Session::SessionId.new('6919a6f1bb119dd7396fadc38fd18d0d') }
let(:session) { instance_double(ActionDispatch::Request::Session, id: rack_session, '[]': {}) }
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let(:request) do
double(:request, {
user_agent: 'Mozilla/5.0 (iPhone; CPU iPhone OS 8_1_3 like Mac OS X) AppleWebKit/600.1.4 ' \
'(KHTML, like Gecko) Mobile/12B466 [FBDV/iPhone7,2]',
remote_ip: '127.0.0.1',
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session: session
})
end
describe '#current?' do
it 'returns true if the active session matches the current session' do
active_session = ActiveSession.new(session_private_id: rack_session.private_id)
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expect(active_session.current?(session)).to be true
end
it 'returns false if the active session does not match the current session' do
active_session = ActiveSession.new(session_id: Rack::Session::SessionId.new('59822c7d9fcdfa03725eff41782ad97d'))
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expect(active_session.current?(session)).to be false
end
it 'returns false if the session id is nil' do
active_session = ActiveSession.new(session_id: nil)
session = double(:session, id: nil)
expect(active_session.current?(session)).to be false
end
end
describe '.list' do
def make_session(id)
described_class.new(session_id: id)
end
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it 'returns all sessions by user' do
Gitlab::Redis::Sessions.with do |redis|
# Some deprecated sessions
redis.set(described_class.key_name_v1(user.id, "6919a6f1bb119dd7396fadc38fd18d0d"), Marshal.dump(make_session('a')))
redis.set(described_class.key_name_v1(user.id, "59822c7d9fcdfa03725eff41782ad97d"), Marshal.dump(make_session('b')))
# Some new sessions
redis.set(described_class.key_name(user.id, 'some-unique-id-x'), make_session('c').dump)
redis.set(described_class.key_name(user.id, 'some-unique-id-y'), make_session('d').dump)
# Some red herrings
redis.set(described_class.key_name(9999, "5c8611e4f9c69645ad1a1492f4131358"), 'irrelevant')
redis.set(described_class.key_name_v1(9999, "5c8611e4f9c69645ad1a1492f4131358"), 'irrelevant')
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redis.sadd(
lookup_key,
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%w[
6919a6f1bb119dd7396fadc38fd18d0d
59822c7d9fcdfa03725eff41782ad97d
some-unique-id-x
some-unique-id-y
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]
)
end
expect(described_class.list(user)).to contain_exactly(
have_attributes(session_id: 'a'),
have_attributes(session_id: 'b'),
have_attributes(session_id: 'c'),
have_attributes(session_id: 'd')
)
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end
shared_examples 'ignoring obsolete entries' do
let(:session_id) { '6919a6f1bb119dd7396fadc38fd18d0d' }
let(:session) { described_class.new(session_id: 'a') }
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it 'does not return obsolete entries and cleans them up' do
Gitlab::Redis::Sessions.with do |redis|
redis.set(session_key, serialized_session)
redis.sadd(
lookup_key,
[
session_id,
'59822c7d9fcdfa03725eff41782ad97d'
]
)
end
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expect(ActiveSession.list(user)).to contain_exactly(session)
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Gitlab::Redis::Sessions.with do |redis|
expect(redis.sscan_each(lookup_key)).to contain_exactly session_id
end
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end
end
context 'when the current session is in the old format' do
let(:session_key) { described_class.key_name_v1(user.id, session_id) }
let(:serialized_session) { Marshal.dump(session) }
it_behaves_like 'ignoring obsolete entries'
end
context 'when the current session is in the new format' do
let(:session_key) { described_class.key_name(user.id, session_id) }
let(:serialized_session) { session.dump }
it_behaves_like 'ignoring obsolete entries'
end
it 'returns an empty array if the user does not have any active session' do
expect(ActiveSession.list(user)).to be_empty
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end
end
describe '.list_sessions' do
it 'uses the ActiveSession lookup to return original sessions' do
Gitlab::Redis::Sessions.with do |redis|
# Emulate redis-rack: https://github.com/redis-store/redis-rack/blob/c75f7f1a6016ee224e2615017fbfee964f23a837/lib/rack/session/redis.rb#L88
redis.set("session:gitlab:#{rack_session.private_id}", Marshal.dump({ _csrf_token: 'abcd' }))
redis.sadd(
"session:lookup:user:gitlab:#{user.id}",
%w[
2::418729c72310bbf349a032f0bb6e3fce9f5a69df8f000d8ae0ac5d159d8f21ae
2::d2ee6f70d6ef0e8701efa3f6b281cbe8e6bf3d109ef052a8b5ce88bfc7e71c26
]
)
end
expect(ActiveSession.list_sessions(user)).to eq [{ _csrf_token: 'abcd' }]
end
end
describe '.session_ids_for_user' do
it 'uses the user lookup table to return session ids' do
Gitlab::Redis::Sessions.with do |redis|
redis.sadd(lookup_key, %w[a b c])
end
expect(ActiveSession.session_ids_for_user(user.id).map(&:to_s)).to match_array(%w[a b c])
end
end
describe '.sessions_from_ids' do
it 'uses the ActiveSession lookup to return original sessions' do
Gitlab::Redis::Sessions.with do |redis|
# Emulate redis-rack: https://github.com/redis-store/redis-rack/blob/c75f7f1a6016ee224e2615017fbfee964f23a837/lib/rack/session/redis.rb#L88
redis.set("session:gitlab:#{rack_session.private_id}", Marshal.dump({ _csrf_token: 'abcd' }))
end
expect(ActiveSession.sessions_from_ids([rack_session.private_id])).to eq [{ _csrf_token: 'abcd' }]
end
it 'avoids a redis lookup for an empty array' do
expect(Gitlab::Redis::Sessions).not_to receive(:with)
expect(ActiveSession.sessions_from_ids([])).to eq([])
end
it 'uses redis lookup in batches' do
stub_const('ActiveSession::SESSION_BATCH_SIZE', 1)
redis = double(:redis)
expect(Gitlab::Redis::Sessions).to receive(:with).and_yield(redis)
sessions = %w[session-a session-b]
mget_responses = sessions.map { |session| [Marshal.dump(session)]}
expect(redis).to receive(:mget).twice.times.and_return(*mget_responses)
expect(ActiveSession.sessions_from_ids([1, 2])).to eql(sessions)
end
end
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describe '.set' do
it 'sets a new redis entry for the user session and a lookup entry' do
ActiveSession.set(user, request)
session_id = "2::418729c72310bbf349a032f0bb6e3fce9f5a69df8f000d8ae0ac5d159d8f21ae"
Gitlab::Redis::Sessions.with do |redis|
expect(redis.scan_each.to_a).to include(
described_class.key_name(user.id, session_id), # current session
described_class.key_name_v1(user.id, session_id), # support for mixed deployment
lookup_key
)
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end
end
it 'adds timestamps and information from the request' do
time = Time.zone.parse('2018-03-12 09:06')
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travel_to(time) do
described_class.set(user, request)
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sessions = described_class.list(user)
expect(sessions).to contain_exactly have_attributes(
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ip_address: '127.0.0.1',
browser: 'Mobile Safari',
os: 'iOS',
device_name: 'iPhone 6',
device_type: 'smartphone',
created_at: eq(time),
updated_at: eq(time)
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)
end
end
it 'is possible to log in only using the old session key' do
session_id = "2::418729c72310bbf349a032f0bb6e3fce9f5a69df8f000d8ae0ac5d159d8f21ae"
ActiveSession.set(user, request)
Gitlab::Redis::SharedState.with do |redis|
redis.del(described_class.key_name(user.id, session_id))
end
sessions = ActiveSession.list(user)
expect(sessions).to be_present
end
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it 'keeps the created_at from the login on consecutive requests' do
created_at = Time.zone.parse('2018-03-12 09:06')
updated_at = created_at + 1.minute
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travel_to(created_at) do
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ActiveSession.set(user, request)
end
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travel_to(updated_at) do
ActiveSession.set(user, request)
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session = ActiveSession.list(user)
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expect(session.first).to have_attributes(
created_at: eq(created_at),
updated_at: eq(updated_at)
)
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end
end
end
describe '.destroy_session' do
shared_examples 'removes all session data' do
before do
Gitlab::Redis::Sessions.with do |redis|
redis.set("session:user:gitlab:#{user.id}:#{active_session_lookup_key}", '')
# Emulate redis-rack: https://github.com/redis-store/redis-rack/blob/c75f7f1a6016ee224e2615017fbfee964f23a837/lib/rack/session/redis.rb#L88
redis.set("session:gitlab:#{rack_session.private_id}", '')
redis.set(session_key, serialized_session)
redis.sadd(lookup_key, active_session_lookup_key)
end
end
it 'removes the devise session' do
subject
Gitlab::Redis::Sessions.with do |redis|
expect(redis.scan_each(match: "session:gitlab:*").to_a).to be_empty
end
end
it 'removes the lookup entry' do
subject
Gitlab::Redis::Sessions.with do |redis|
expect(redis.scan_each(match: lookup_key).to_a).to be_empty
end
end
it 'removes the ActiveSession' do
subject
Gitlab::Redis::Sessions.with do |redis|
expect(redis.scan_each(match: "session:user:gitlab:*").to_a).to be_empty
end
end
end
context 'destroy called with Rack::Session::SessionId#private_id' do
subject { ActiveSession.destroy_session(user, rack_session.private_id) }
it 'calls .destroy_sessions' do
expect(ActiveSession).to(
receive(:destroy_sessions)
.with(anything, user, [rack_session.private_id]))
subject
end
context 'ActiveSession with session_private_id' do
let(:active_session) { ActiveSession.new(session_private_id: rack_session.private_id) }
let(:active_session_lookup_key) { rack_session.private_id }
context 'when using old session key serialization' do
let(:session_key) { described_class.key_name_v1(user.id, active_session_lookup_key) }
let(:serialized_session) { Marshal.dump(active_session) }
include_examples 'removes all session data'
end
context 'when using new session key serialization' do
let(:session_key) { described_class.key_name(user.id, active_session_lookup_key) }
let(:serialized_session) { active_session.dump }
include_examples 'removes all session data'
end
end
end
end
describe '.destroy_all_but_current' do
it 'gracefully handles a nil session ID' do
expect(described_class).not_to receive(:destroy_sessions)
ActiveSession.destroy_all_but_current(user, nil)
end
shared_examples 'with user sessions' do
let(:current_session_id) { '6919a6f1bb119dd7396fadc38fd18d0d' }
before do
Gitlab::Redis::Sessions.with do |redis|
# setup for current user
[current_session_id, '59822c7d9fcdfa03725eff41782ad97d'].each do |session_public_id|
session_private_id = Rack::Session::SessionId.new(session_public_id).private_id
active_session = ActiveSession.new(session_private_id: session_private_id)
redis.set(key_name(user.id, session_private_id), dump_session(active_session))
redis.sadd(lookup_key, session_private_id)
end
# setup for unrelated user
unrelated_user_id = 9999
session_private_id = Rack::Session::SessionId.new('5c8611e4f9c69645ad1a1492f4131358').private_id
active_session = ActiveSession.new(session_private_id: session_private_id)
redis.set(key_name(unrelated_user_id, session_private_id), dump_session(active_session))
redis.sadd(described_class.lookup_key_name(unrelated_user_id), session_private_id)
end
end
it 'removes the entry associated with the all user sessions but current' do
expect { ActiveSession.destroy_all_but_current(user, request.session) }
.to(change { ActiveSession.session_ids_for_user(user.id).size }.from(2).to(1))
expect(ActiveSession.session_ids_for_user(9999).size).to eq(1)
end
it 'removes the lookup entry of deleted sessions' do
session_private_id = Rack::Session::SessionId.new(current_session_id).private_id
ActiveSession.destroy_all_but_current(user, request.session)
Gitlab::Redis::Sessions.with do |redis|
expect(redis.smembers(lookup_key)).to contain_exactly session_private_id
end
end
it 'does not remove impersonated sessions' do
impersonated_session_id = '6919a6f1bb119dd7396fadc38fd18eee'
Gitlab::Redis::Sessions.with do |redis|
redis.set(key_name(user.id, impersonated_session_id),
dump_session(ActiveSession.new(session_id: Rack::Session::SessionId.new(impersonated_session_id), is_impersonated: true)))
redis.sadd(lookup_key, impersonated_session_id)
end
expect { ActiveSession.destroy_all_but_current(user, request.session) }.to change { ActiveSession.session_ids_for_user(user.id).size }.from(3).to(2)
expect(ActiveSession.session_ids_for_user(9999).size).to eq(1)
end
end
context 'with legacy sessions' do
def key_name(user_id, id)
described_class.key_name_v1(user_id, id)
end
def dump_session(session)
Marshal.dump(session)
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end
it_behaves_like 'with user sessions'
end
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context 'with new sessions' do
def key_name(user_id, id)
described_class.key_name(user_id, id)
end
def dump_session(session)
session.dump
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end
it_behaves_like 'with user sessions'
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end
end
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describe '.cleanup' do
before do
stub_const("ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS", 5)
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end
shared_examples 'cleaning up' do
context 'when removing obsolete sessions' do
let(:current_session_id) { '6919a6f1bb119dd7396fadc38fd18d0d' }
it 'removes obsolete lookup entries' do
Gitlab::Redis::Sessions.with do |redis|
redis.set(session_key, '')
redis.sadd(lookup_key, current_session_id)
redis.sadd(lookup_key, '59822c7d9fcdfa03725eff41782ad97d')
end
ActiveSession.cleanup(user)
Gitlab::Redis::Sessions.with do |redis|
expect(redis.smembers(lookup_key)).to contain_exactly current_session_id
end
end
end
it 'does not bail if there are no lookup entries' do
ActiveSession.cleanup(user)
end
context 'cleaning up old sessions' do
let(:max_number_of_sessions_plus_one) { ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS + 1 }
let(:max_number_of_sessions_plus_two) { ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS + 2 }
before do
Gitlab::Redis::Sessions.with do |redis|
max_number_of_sessions_plus_two.times do |number|
redis.set(
key_name(user.id, number),
dump_session(ActiveSession.new(session_id: number.to_s, updated_at: number.days.ago))
)
redis.sadd(lookup_key, number.to_s)
end
end
end
it 'removes obsolete active sessions entries' do
ActiveSession.cleanup(user)
Gitlab::Redis::Sessions.with do |redis|
sessions = described_class.list(user)
expect(sessions.count).to eq(ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS)
expect(sessions).not_to include(
have_attributes(session_id: max_number_of_sessions_plus_one),
have_attributes(session_id: max_number_of_sessions_plus_two)
)
end
end
it 'removes obsolete lookup entries' do
ActiveSession.cleanup(user)
Gitlab::Redis::Sessions.with do |redis|
lookup_entries = redis.smembers(lookup_key)
expect(lookup_entries.count).to eq(ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS)
expect(lookup_entries).not_to include(max_number_of_sessions_plus_one.to_s, max_number_of_sessions_plus_two.to_s)
end
end
it 'removes obsolete lookup entries even without active session' do
Gitlab::Redis::Sessions.with do |redis|
redis.sadd(lookup_key, "#{max_number_of_sessions_plus_two + 1}")
end
ActiveSession.cleanup(user)
Gitlab::Redis::Sessions.with do |redis|
lookup_entries = redis.smembers(lookup_key)
expect(lookup_entries.count).to eq(ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS)
expect(lookup_entries).not_to include(
max_number_of_sessions_plus_one.to_s,
max_number_of_sessions_plus_two.to_s,
(max_number_of_sessions_plus_two + 1).to_s
)
end
end
context 'when the number of active sessions is lower than the limit' do
before do
Gitlab::Redis::Sessions.with do |redis|
((max_number_of_sessions_plus_two - 4)..max_number_of_sessions_plus_two).each do |number|
redis.del(key_name(user.id, number))
end
end
end
it 'does not remove active session entries, but removes lookup entries' do
lookup_entries_before_cleanup = Gitlab::Redis::Sessions.with do |redis|
redis.smembers(lookup_key)
end
sessions_before_cleanup = described_class.list(user)
described_class.cleanup(user)
Gitlab::Redis::Sessions.with do |redis|
lookup_entries = redis.smembers(lookup_key)
sessions = described_class.list(user)
expect(sessions.count).to eq(sessions_before_cleanup.count)
expect(lookup_entries.count).to be < lookup_entries_before_cleanup.count
end
end
end
end
context 'cleaning up old sessions stored by Rack::Session::SessionId#private_id' do
let(:max_number_of_sessions_plus_one) { ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS + 1 }
let(:max_number_of_sessions_plus_two) { ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS + 2 }
before do
Gitlab::Redis::Sessions.with do |redis|
(1..max_number_of_sessions_plus_two).each do |number|
redis.set(
key_name(user.id, number),
dump_session(ActiveSession.new(session_private_id: number.to_s, updated_at: number.days.ago))
)
redis.sadd(lookup_key, number.to_s)
end
end
end
it 'removes obsolete active sessions entries' do
described_class.cleanup(user)
Gitlab::Redis::Sessions.with do |redis|
sessions = described_class.list(user)
expect(sessions.count).to eq(described_class::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS)
expect(sessions).not_to include(
key_name(user.id, max_number_of_sessions_plus_one),
key_name(user.id, max_number_of_sessions_plus_two)
)
end
end
end
end
context 'with legacy sessions' do
let(:session_key) { described_class.key_name_v1(user.id, current_session_id) }
def key_name(user_id, session_id)
described_class.key_name_v1(user_id, session_id)
end
def dump_session(session)
Marshal.dump(session)
end
it_behaves_like 'cleaning up'
end
context 'with new sessions' do
let(:session_key) { described_class.key_name(user.id, current_session_id) }
def key_name(user_id, session_id)
described_class.key_name(user_id, session_id)
end
def dump_session(session)
session.dump
end
it_behaves_like 'cleaning up'
end
end
describe '.cleaned_up_lookup_entries' do
before do
stub_const("ActiveSession::ALLOWED_NUMBER_OF_ACTIVE_SESSIONS", 5)
end
shared_examples 'cleaning up lookup entries' do
let(:current_session_id) { '6919a6f1bb119dd7396fadc38fd18d0d' }
let(:active_count) { 3 }
before do
Gitlab::Redis::SharedState.with do |redis|
active_count.times do |number|
redis.set(
key_name(user.id, number),
dump_session(ActiveSession.new(session_id: number.to_s, updated_at: number.days.ago))
)
redis.sadd(lookup_key, number.to_s)
end
redis.sadd(lookup_key, (active_count + 1).to_s)
redis.sadd(lookup_key, (active_count + 2).to_s)
end
end
it 'removes obsolete lookup entries' do
active = Gitlab::Redis::SharedState.with do |redis|
ActiveSession.cleaned_up_lookup_entries(redis, user)
end
expect(active.count).to eq(active_count)
Gitlab::Redis::SharedState.with do |redis|
lookup_entries = redis.smembers(lookup_key)
expect(lookup_entries.count).to eq(active_count)
expect(lookup_entries).not_to include(
(active_count + 1).to_s,
(active_count + 2).to_s
)
end
end
it 'reports the removed entries' do
removed = []
Gitlab::Redis::SharedState.with do |redis|
ActiveSession.cleaned_up_lookup_entries(redis, user, removed)
end
expect(removed.count).to eq(2)
end
end
context 'with legacy sessions' do
let(:session_key) { described_class.key_name_v1(user.id, current_session_id) }
def key_name(user_id, session_id)
described_class.key_name_v1(user_id, session_id)
end
def dump_session(session)
Marshal.dump(session)
end
it_behaves_like 'cleaning up lookup entries'
end
context 'with new sessions' do
let(:session_key) { described_class.key_name(user.id, current_session_id) }
def key_name(user_id, session_id)
described_class.key_name(user_id, session_id)
end
def dump_session(session)
session.dump
end
it_behaves_like 'cleaning up lookup entries'
end
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end
end