1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
|
# frozen_string_literal: true
require 'gon'
require 'fogbugz'
class ApplicationController < ActionController::Base
include Gitlab::GonHelper
include GitlabRoutingHelper
include PageLayoutHelper
include SafeParamsHelper
include WorkhorseHelper
include EnforcesTwoFactorAuthentication
include WithPerformanceBar
include SessionlessAuthentication
include SessionsHelper
include ConfirmEmailWarning
include Gitlab::Tracking::ControllerConcern
include Gitlab::Experimentation::ControllerConcern
before_action :authenticate_user!, except: [:route_not_found]
before_action :enforce_terms!, if: :should_enforce_terms?
before_action :validate_user_service_ticket!
before_action :check_password_expiration, if: :html_request?
before_action :ldap_security_check
before_action :sentry_context
before_action :default_headers
before_action :add_gon_variables, if: :html_request?
before_action :configure_permitted_parameters, if: :devise_controller?
before_action :require_email, unless: :devise_controller?
before_action :active_user_check, unless: :devise_controller?
before_action :set_usage_stats_consent_flag
before_action :check_impersonation_availability
before_action :required_signup_info
around_action :set_locale
around_action :set_session_storage
after_action :set_page_title_header, if: :json_request?
after_action :limit_session_time, if: -> { !current_user }
protect_from_forgery with: :exception, prepend: true
helper_method :can?
helper_method :current_user_mode
helper_method :import_sources_enabled?, :github_import_enabled?,
:gitea_import_enabled?, :github_import_configured?,
:gitlab_import_enabled?, :gitlab_import_configured?,
:bitbucket_import_enabled?, :bitbucket_import_configured?,
:bitbucket_server_import_enabled?,
:google_code_import_enabled?, :fogbugz_import_enabled?,
:git_import_enabled?, :gitlab_project_import_enabled?,
:manifest_import_enabled?, :phabricator_import_enabled?
# Adds `no-store` to the DEFAULT_CACHE_CONTROL, to prevent security
# concerns due to caching private data.
DEFAULT_GITLAB_CACHE_CONTROL = "#{ActionDispatch::Http::Cache::Response::DEFAULT_CACHE_CONTROL}, no-store"
DEFAULT_GITLAB_CONTROL_NO_CACHE = "#{DEFAULT_GITLAB_CACHE_CONTROL}, no-cache"
rescue_from Encoding::CompatibilityError do |exception|
log_exception(exception)
render "errors/encoding", layout: "errors", status: :internal_server_error
end
rescue_from ActiveRecord::RecordNotFound do |exception|
log_exception(exception)
render_404
end
rescue_from(ActionController::UnknownFormat) do
render_404
end
rescue_from Gitlab::Access::AccessDeniedError do |exception|
render_403
end
rescue_from Gitlab::Auth::TooManyIps do |e|
head :forbidden, retry_after: Gitlab::Auth::UniqueIpsLimiter.config.unique_ips_limit_time_window
end
rescue_from GRPC::Unavailable, Gitlab::Git::CommandError do |exception|
log_exception(exception)
headers['Retry-After'] = exception.retry_after if exception.respond_to?(:retry_after)
render_503
end
def redirect_back_or_default(default: root_path, options: {})
redirect_back(fallback_location: default, **options)
end
def not_found
render_404
end
def route_not_found
if current_user
not_found
else
store_location_for(:user, request.fullpath) unless request.xhr?
redirect_to new_user_session_path, alert: I18n.t('devise.failure.unauthenticated')
end
end
def render(*args)
super.tap do
# Set a header for custom error pages to prevent them from being intercepted by gitlab-workhorse
if (400..599).cover?(response.status) && workhorse_excluded_content_types.include?(response.content_type)
response.headers['X-GitLab-Custom-Error'] = '1'
end
end
end
protected
def workhorse_excluded_content_types
@workhorse_excluded_content_types ||= %w(text/html application/json)
end
def append_info_to_payload(payload)
super
payload[:ua] = request.env["HTTP_USER_AGENT"]
payload[:remote_ip] = request.remote_ip
payload[Labkit::Correlation::CorrelationId::LOG_KEY] = Labkit::Correlation::CorrelationId.current_id
logged_user = auth_user
if logged_user.present?
payload[:user_id] = logged_user.try(:id)
payload[:username] = logged_user.try(:username)
end
if response.status == 422 && response.body.present? && response.content_type == 'application/json'
payload[:response] = response.body
end
payload[:queue_duration] = request.env[::Gitlab::Middleware::RailsQueueDuration::GITLAB_RAILS_QUEUE_DURATION_KEY]
end
##
# Controllers such as GitHttpController may use alternative methods
# (e.g. tokens) to authenticate the user, whereas Devise sets current_user.
#
def auth_user
if user_signed_in?
current_user
else
try(:authenticated_user)
end
end
def log_exception(exception)
Gitlab::Sentry.track_acceptable_exception(exception)
backtrace_cleaner = request.env["action_dispatch.backtrace_cleaner"]
application_trace = ActionDispatch::ExceptionWrapper.new(backtrace_cleaner, exception).application_trace
application_trace.map! { |t| " #{t}\n" }
logger.error "\n#{exception.class.name} (#{exception.message}):\n#{application_trace.join}"
end
def after_sign_in_path_for(resource)
stored_location_for(:redirect) || stored_location_for(resource) || root_path
end
def after_sign_out_path_for(resource)
Gitlab::CurrentSettings.after_sign_out_path.presence || new_user_session_path
end
def can?(object, action, subject = :global)
Ability.allowed?(object, action, subject)
end
def access_denied!(message = nil, status = nil)
# If we display a custom access denied message to the user, we don't want to
# hide existence of the resource, rather tell them they cannot access it using
# the provided message
status ||= message.present? ? :forbidden : :not_found
template =
if status == :not_found
"errors/not_found"
else
"errors/access_denied"
end
respond_to do |format|
format.any { head status }
format.html do
render template,
layout: "errors",
status: status,
locals: { message: message }
end
end
end
def git_not_found!
render "errors/git_not_found.html", layout: "errors", status: :not_found
end
def render_403
respond_to do |format|
format.any { head :forbidden }
format.html { render "errors/access_denied", layout: "errors", status: :forbidden }
end
end
def render_404
respond_to do |format|
format.html { render "errors/not_found", layout: "errors", status: :not_found }
# Prevent the Rails CSRF protector from thinking a missing .js file is a JavaScript file
format.js { render json: '', status: :not_found, content_type: 'application/json' }
format.any { head :not_found }
end
end
def respond_201
head :created
end
def respond_422
head :unprocessable_entity
end
def render_503
respond_to do |format|
format.html do
render(
file: Rails.root.join("public", "503"),
layout: false,
status: :service_unavailable
)
end
format.any { head :service_unavailable }
end
end
def no_cache_headers
headers['Cache-Control'] = DEFAULT_GITLAB_CONTROL_NO_CACHE
headers['Pragma'] = 'no-cache' # HTTP 1.0 compatibility
headers['Expires'] = 'Fri, 01 Jan 1990 00:00:00 GMT'
end
def default_headers
headers['X-Frame-Options'] = 'DENY'
headers['X-XSS-Protection'] = '1; mode=block'
headers['X-UA-Compatible'] = 'IE=edge'
headers['X-Content-Type-Options'] = 'nosniff'
if current_user
headers['Cache-Control'] = default_cache_control
headers['Pragma'] = 'no-cache' # HTTP 1.0 compatibility
end
end
def default_cache_control
if request.xhr?
ActionDispatch::Http::Cache::Response::DEFAULT_CACHE_CONTROL
else
DEFAULT_GITLAB_CACHE_CONTROL
end
end
def validate_user_service_ticket!
return unless signed_in? && session[:service_tickets]
valid = session[:service_tickets].all? do |provider, ticket|
Gitlab::Auth::OAuth::Session.valid?(provider, ticket)
end
unless valid
session[:service_tickets] = nil
sign_out current_user
redirect_to new_user_session_path
end
end
def check_password_expiration
return if session[:impersonator_id] || !current_user&.allow_password_authentication?
if current_user&.password_expired?
return redirect_to new_profile_password_path
end
end
def active_user_check
return unless current_user && current_user.deactivated?
sign_out current_user
flash[:alert] = _("Your account has been deactivated by your administrator. Please log back in to reactivate your account.")
redirect_to new_user_session_path
end
def ldap_security_check
if current_user && current_user.requires_ldap_check?
return unless current_user.try_obtain_ldap_lease
unless Gitlab::Auth::LDAP::Access.allowed?(current_user)
sign_out current_user
flash[:alert] = _("Access denied for your LDAP account.")
redirect_to new_user_session_path
end
end
end
def event_filter
@event_filter ||=
EventFilter.new(params[:event_filter].presence || cookies[:event_filter]).tap do |new_event_filter|
cookies[:event_filter] = new_event_filter.filter
end
end
# JSON for infinite scroll via Pager object
def pager_json(partial, count, locals = {})
html = render_to_string(
partial,
locals: locals,
layout: false,
formats: [:html]
)
render json: {
html: html,
count: count
}
end
def view_to_html_string(partial, locals = {})
render_to_string(
partial,
locals: locals,
layout: false,
formats: [:html]
)
end
def configure_permitted_parameters
devise_parameter_sanitizer.permit(:sign_in, keys: [:username, :email, :password, :login, :remember_me, :otp_attempt])
end
def hexdigest(string)
Digest::SHA1.hexdigest string
end
def require_email
if current_user && current_user.temp_oauth_email? && session[:impersonator_id].nil?
return redirect_to profile_path, notice: _('Please complete your profile with email address')
end
end
def enforce_terms!
return unless current_user
return if current_user.terms_accepted?
message = _("Please accept the Terms of Service before continuing.")
if sessionless_user?
access_denied!(message)
else
# Redirect to the destination if the request is a get.
# Redirect to the source if it was a post, so the user can re-submit after
# accepting the terms.
redirect_path = if request.get?
request.fullpath
else
URI(request.referer).path if request.referer
end
flash[:notice] = message
redirect_to terms_path(redirect: redirect_path), status: :found
end
end
def import_sources_enabled?
!Gitlab::CurrentSettings.import_sources.empty?
end
def bitbucket_server_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('bitbucket_server')
end
def github_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('github')
end
def gitea_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('gitea')
end
def github_import_configured?
Gitlab::Auth::OAuth::Provider.enabled?(:github)
end
def gitlab_import_enabled?
request.host != 'gitlab.com' && Gitlab::CurrentSettings.import_sources.include?('gitlab')
end
def gitlab_import_configured?
Gitlab::Auth::OAuth::Provider.enabled?(:gitlab)
end
def bitbucket_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('bitbucket')
end
def bitbucket_import_configured?
Gitlab::Auth::OAuth::Provider.enabled?(:bitbucket)
end
def google_code_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('google_code')
end
def fogbugz_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('fogbugz')
end
def git_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('git')
end
def gitlab_project_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('gitlab_project')
end
def manifest_import_enabled?
Gitlab::CurrentSettings.import_sources.include?('manifest')
end
def phabricator_import_enabled?
Gitlab::PhabricatorImport.available?
end
# U2F (universal 2nd factor) devices need a unique identifier for the application
# to perform authentication.
# https://developers.yubico.com/U2F/App_ID.html
def u2f_app_id
request.base_url
end
def set_locale(&block)
Gitlab::I18n.with_user_locale(current_user, &block)
end
def set_session_storage(&block)
return yield if sessionless_user?
Gitlab::Session.with_session(session, &block)
end
def set_page_title_header
# Per https://tools.ietf.org/html/rfc5987, headers need to be ISO-8859-1, not UTF-8
response.headers['Page-Title'] = URI.escape(page_title('GitLab'))
end
def html_request?
request.format.html?
end
def json_request?
request.format.json?
end
def should_enforce_terms?
return false unless Gitlab::CurrentSettings.current_application_settings.enforce_terms
html_request? && !devise_controller?
end
def set_usage_stats_consent_flag
return unless current_user
return if sessionless_user?
return if session.has_key?(:ask_for_usage_stats_consent)
session[:ask_for_usage_stats_consent] = current_user.requires_usage_stats_consent?
if session[:ask_for_usage_stats_consent]
disable_usage_stats
end
end
def disable_usage_stats
application_setting_params = {
usage_ping_enabled: false,
version_check_enabled: false,
skip_usage_stats_user: true
}
settings = Gitlab::CurrentSettings.current_application_settings
ApplicationSettings::UpdateService
.new(settings, current_user, application_setting_params)
.execute
end
def check_impersonation_availability
return unless session[:impersonator_id]
unless Gitlab.config.gitlab.impersonation_enabled
stop_impersonation
access_denied! _('Impersonation has been disabled')
end
end
def stop_impersonation
log_impersonation_event
warden.set_user(impersonator, scope: :user)
session[:impersonator_id] = nil
impersonated_user
end
def impersonated_user
current_user
end
def log_impersonation_event
Gitlab::AppLogger.info("User #{impersonator.username} has stopped impersonating #{impersonated_user.username}")
end
def impersonator
@impersonator ||= User.find(session[:impersonator_id]) if session[:impersonator_id]
end
def sentry_context
Gitlab::Sentry.context(current_user)
end
def allow_gitaly_ref_name_caching
::Gitlab::GitalyClient.allow_ref_name_caching do
yield
end
end
def current_user_mode
@current_user_mode ||= Gitlab::Auth::CurrentUserMode.new(current_user)
end
# A user requires a role and have the setup_for_company attribute set when they are part of the experimental signup
# flow (executed by the Growth team). Users are redirected to the welcome page when their role is required and the
# experiment is enabled for the current user.
def required_signup_info
return unless current_user
return unless current_user.role_required?
return unless experiment_enabled?(:signup_flow)
store_location_for :user, request.fullpath
redirect_to users_sign_up_welcome_path
end
end
ApplicationController.prepend_if_ee('EE::ApplicationController')
|