include "href" key for each object in API response
[arvados.git] / services / api / app / controllers / user_sessions_controller.rb
1 class UserSessionsController < ApplicationController
2   before_filter :require_auth_scope_all, :only => [ :destroy ]
3
4   skip_before_filter :find_object_by_uuid
5
6   respond_to :html
7
8   # omniauth callback method
9   def create
10     omniauth = env['omniauth.auth']
11     #logger.debug "+++ #{omniauth}"
12
13     identity_url_ok = (omniauth['info']['identity_url'].length > 0) rescue false
14     unless identity_url_ok
15       # Whoa. This should never happen.
16
17       @title = "UserSessionsController.create: omniauth object missing/invalid"
18       @body = "omniauth.pretty_inspect():\n\n#{omniauth.pretty_inspect()}"
19
20       view_context.fatal_error(@title,@body)
21       return redirect_to openid_login_error_url
22     end
23
24     user = User.find_by_identity_url(omniauth['info']['identity_url'])
25     if not user
26       # New user registration
27       user = User.new(:email => omniauth['info']['email'],
28                       :first_name => omniauth['info']['first_name'],
29                       :last_name => omniauth['info']['last_name'],
30                       :identity_url => omniauth['info']['identity_url'],
31                       :is_active => Rails.configuration.new_users_are_active)
32     else
33       user.email = omniauth['info']['email']
34       user.first_name = omniauth['info']['first_name']
35       user.last_name = omniauth['info']['last_name']
36     end
37
38     # prevent ArvadosModel#before_create and _update from throwing
39     # "unauthorized":
40     Thread.current[:user] = user
41
42     user.save!
43
44     omniauth.delete('extra')
45
46     # Give the authenticated user a cookie for direct API access
47     session[:user_id] = user.id
48     session[:api_client_uuid] = nil
49     session[:api_client_trusted] = true # full permission to see user's secrets
50
51     @redirect_to = root_path
52     if params.has_key?(:return_to)
53       return send_api_token_to(params[:return_to], user)
54     end
55     redirect_to @redirect_to
56   end
57
58   # Omniauth failure callback
59   def failure
60     flash[:notice] = params[:message]
61   end
62
63   # logout - Clear our rack session BUT essentially redirect to the provider
64   # to clean up the Devise session from there too !
65   def logout
66     session[:user_id] = nil
67
68     flash[:notice] = 'You have logged off'
69     return_to = params[:return_to] || root_url
70     redirect_to "#{CUSTOM_PROVIDER_URL}/users/sign_out?redirect_uri=#{CGI.escape return_to}"
71   end
72
73   # login - Just bounce to /auth/joshid. The only purpose of this function is
74   # to save the return_to parameter (if it exists; see the application
75   # controller). /auth/joshid bypasses the application controller.
76   def login
77     if current_user and params[:return_to]
78       # Already logged in; just need to send a token to the requesting
79       # API client.
80       #
81       # FIXME: if current_user has never authorized this app before,
82       # ask for confirmation here!
83
84       send_api_token_to(params[:return_to], current_user)
85     elsif params[:return_to]
86       redirect_to "/auth/joshid?return_to=#{CGI.escape(params[:return_to])}"
87     else
88       redirect_to "/auth/joshid"
89     end
90   end
91
92   def send_api_token_to(callback_url, user)
93     # Give the API client a token for making API calls on behalf of
94     # the authenticated user
95
96     # Stub: automatically register all new API clients
97     api_client_url_prefix = callback_url.match(%r{^.*?://[^/]+})[0] + '/'
98     api_client = ApiClient.find_or_create_by_url_prefix(api_client_url_prefix)
99
100     api_client_auth = ApiClientAuthorization.
101       new(user: user,
102           api_client: api_client,
103           created_by_ip_address: remote_ip)
104     api_client_auth.save!
105
106     if callback_url.index('?')
107       callback_url << '&'
108     else
109       callback_url << '?'
110     end
111     callback_url << 'api_token=' << api_client_auth.api_token
112     redirect_to callback_url
113   end
114 end