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
|
class OmniauthCallbacksController < Devise::OmniauthCallbacksController
include AuthenticatesWithTwoFactor
include Devise::Controllers::Rememberable
protect_from_forgery except: [:kerberos, :saml, :cas3]
Gitlab.config.omniauth.providers.each do |provider|
define_method provider['name'] do
handle_omniauth
end
end
if Gitlab::LDAP::Config.enabled?
Gitlab::LDAP::Config.available_servers.each do |server|
define_method server['provider_name'] do
ldap
end
end
end
# Extend the standard message generation to accept our custom exception
def failure_message
exception = env["omniauth.error"]
error = exception.error_reason if exception.respond_to?(:error_reason)
error ||= exception.error if exception.respond_to?(:error)
error ||= exception.message if exception.respond_to?(:message)
error ||= env["omniauth.error.type"].to_s
error.to_s.humanize if error
end
# We only find ourselves here
# if the authentication to LDAP was successful.
def ldap
ldap_user = Gitlab::LDAP::User.new(oauth)
ldap_user.save if ldap_user.changed? # will also save new users
@user = ldap_user.gl_user
@user.remember_me = params[:remember_me] if ldap_user.persisted?
# Do additional LDAP checks for the user filter and EE features
if ldap_user.allowed?
if @user.two_factor_enabled?
prompt_for_two_factor(@user)
else
log_audit_event(@user, with: oauth['provider'])
sign_in_and_redirect(@user)
end
else
fail_ldap_login
end
end
def saml
if current_user
log_audit_event(current_user, with: :saml)
# Update SAML identity if data has changed.
identity = current_user.identities.find_by(extern_uid: oauth['uid'], provider: :saml)
if identity.nil?
current_user.identities.create(extern_uid: oauth['uid'], provider: :saml)
redirect_to profile_account_path, notice: 'Authentication method updated'
else
redirect_to after_sign_in_path_for(current_user)
end
else
saml_user = Gitlab::Saml::User.new(oauth)
saml_user.save if saml_user.changed?
@user = saml_user.gl_user
continue_login_process
end
rescue Gitlab::OAuth::SignupDisabledError
handle_signup_error
end
def omniauth_error
@provider = params[:provider]
@error = params[:error]
render 'errors/omniauth_error', layout: "oauth_error", status: 422
end
def cas3
ticket = params['ticket']
if ticket
handle_service_ticket oauth['provider'], ticket
end
handle_omniauth
end
def authentiq
if params['sid']
handle_service_ticket oauth['provider'], params['sid']
end
handle_omniauth
end
private
def handle_omniauth
if current_user
# Add new authentication method
current_user.identities.find_or_create_by(extern_uid: oauth['uid'], provider: oauth['provider'])
log_audit_event(current_user, with: oauth['provider'])
redirect_to profile_account_path, notice: 'Authentication method updated'
else
oauth_user = Gitlab::OAuth::User.new(oauth)
oauth_user.save
@user = oauth_user.gl_user
continue_login_process
end
rescue Gitlab::OAuth::SignupDisabledError
handle_signup_error
end
def handle_service_ticket(provider, ticket)
Gitlab::OAuth::Session.create provider, ticket
session[:service_tickets] ||= {}
session[:service_tickets][provider] = ticket
end
def continue_login_process
# Only allow properly saved users to login.
if @user.persisted? && @user.valid?
log_audit_event(@user, with: oauth['provider'])
if @user.two_factor_enabled?
params[:remember_me] = '1' if remember_me?
prompt_for_two_factor(@user)
else
remember_me(@user) if remember_me?
sign_in_and_redirect(@user)
end
else
fail_login
end
end
def handle_signup_error
label = Gitlab::OAuth::Provider.label_for(oauth['provider'])
message = "Signing in using your #{label} account without a pre-existing GitLab account is not allowed."
if current_application_settings.signup_enabled?
message << " Create a GitLab account first, and then connect it to your #{label} account."
end
flash[:notice] = message
redirect_to new_user_session_path
end
def oauth
@oauth ||= request.env['omniauth.auth']
end
def fail_login
error_message = @user.errors.full_messages.to_sentence
return redirect_to omniauth_error_path(oauth['provider'], error: error_message)
end
def fail_ldap_login
flash[:alert] = 'Access denied for your LDAP account.'
redirect_to new_user_session_path
end
def log_audit_event(user, options = {})
AuditEventService.new(user, user, options)
.for_authentication.security_event
end
def remember_me?
request_params = request.env['omniauth.params']
(request_params['remember_me'] == '1') if request_params.present?
end
end
|
