c8abb4d85a3f84ce1389e956b72cad9f558c8319
[rails.git] / app / controllers / user_controller.rb
1 class UserController < ApplicationController
2   layout "site", :except => [:api_details]
3
4   skip_before_action :verify_authenticity_token, :only => [:api_read, :api_details, :api_gpx_files, :auth_success]
5   before_action :disable_terms_redirect, :only => [:terms, :save, :logout, :api_details]
6   before_action :authorize, :only => [:api_details, :api_gpx_files]
7   before_action :authorize_web, :except => [:api_read, :api_details, :api_gpx_files]
8   before_action :set_locale, :except => [:api_read, :api_details, :api_gpx_files]
9   before_action :require_user, :only => [:account, :go_public, :make_friend, :remove_friend]
10   before_action :require_self, :only => [:account]
11   before_action :check_database_readable, :except => [:login, :api_read, :api_details, :api_gpx_files]
12   before_action :check_database_writable, :only => [:new, :account, :confirm, :confirm_email, :lost_password, :reset_password, :go_public, :make_friend, :remove_friend]
13   before_action :check_api_readable, :only => [:api_read, :api_details, :api_gpx_files]
14   before_action :require_allow_read_prefs, :only => [:api_details]
15   before_action :require_allow_read_gpx, :only => [:api_gpx_files]
16   before_action :require_cookies, :only => [:new, :login, :confirm]
17   before_action :require_administrator, :only => [:set_status, :delete, :list]
18   around_action :api_call_handle_error, :only => [:api_read, :api_details, :api_gpx_files]
19   before_action :lookup_user_by_id, :only => [:api_read]
20   before_action :lookup_user_by_name, :only => [:set_status, :delete]
21
22   def terms
23     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || DEFAULT_LEGALE
24     @text = OSM.legal_text_for_country(@legale)
25
26     if request.xhr?
27       render :partial => "terms"
28     else
29       @title = t "user.terms.title"
30
31       if @user && @user.terms_agreed?
32         # Already agreed to terms, so just show settings
33         redirect_to :action => :account, :display_name => @user.display_name
34       elsif @user.nil? && session[:new_user].nil?
35         redirect_to :action => :login, :referer => request.fullpath
36       end
37     end
38   end
39
40   def save
41     @title = t "user.new.title"
42
43     if params[:decline]
44       if @user
45         @user.terms_seen = true
46
47         if @user.save
48           flash[:notice] = t("user.new.terms declined", :url => t("user.new.terms declined url")).html_safe
49         end
50
51         if params[:referer]
52           redirect_to params[:referer]
53         else
54           redirect_to :action => :account, :display_name => @user.display_name
55         end
56       else
57         redirect_to t("user.terms.declined")
58       end
59     elsif @user
60       unless @user.terms_agreed?
61         @user.consider_pd = params[:user][:consider_pd]
62         @user.terms_agreed = Time.now.getutc
63         @user.terms_seen = true
64
65         flash[:notice] = t "user.new.terms accepted" if @user.save
66       end
67
68       if params[:referer]
69         redirect_to params[:referer]
70       else
71         redirect_to :action => :account, :display_name => @user.display_name
72       end
73     else
74       @user = session.delete(:new_user)
75
76       if check_signup_allowed(@user.email)
77         @user.data_public = true
78         @user.description = "" if @user.description.nil?
79         @user.creation_ip = request.remote_ip
80         @user.languages = http_accept_language.user_preferred_languages
81         @user.terms_agreed = Time.now.getutc
82         @user.terms_seen = true
83
84         if @user.auth_uid.nil? || @user.auth_uid.empty?
85           @user.auth_provider = nil
86           @user.auth_uid = nil
87         end
88
89         if @user.save
90           flash[:piwik_goal] = PIWIK["goals"]["signup"] if defined?(PIWIK)
91
92           referer = welcome_path
93
94           begin
95             uri = URI(session[:referer])
96             %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
97               editor = Rack::Utils.parse_query(uri.query).slice("editor")
98               referer = welcome_path({ "zoom" => m[1],
99                                        "lat" => m[2],
100                                        "lon" => m[3] }.merge(editor))
101             end
102           rescue
103             # Use default
104           end
105
106           if @user.status == "active"
107             session[:referer] = referer
108             successful_login(@user)
109           else
110             session[:token] = @user.tokens.create.token
111             Notifier.signup_confirm(@user, @user.tokens.create(:referer => referer)).deliver_now
112             redirect_to :action => "confirm", :display_name => @user.display_name
113           end
114         else
115           render :action => "new", :referer => params[:referer]
116         end
117       end
118     end
119   end
120
121   def account
122     @title = t "user.account.title"
123     @tokens = @user.oauth_tokens.authorized
124
125     if params[:user] && params[:user][:display_name] && params[:user][:description]
126       if params[:user][:auth_provider].blank? ||
127          (params[:user][:auth_provider] == @user.auth_provider &&
128           params[:user][:auth_uid] == @user.auth_uid)
129         update_user(@user, params)
130       else
131         session[:new_user_settings] = params
132         redirect_to auth_url(params[:user][:auth_provider], params[:user][:auth_uid])
133       end
134     elsif errors = session.delete(:user_errors)
135       errors.each do |attribute, error|
136         @user.errors.add(attribute, error)
137       end
138     end
139   end
140
141   def go_public
142     @user.data_public = true
143     @user.save
144     flash[:notice] = t "user.go_public.flash success"
145     redirect_to :controller => "user", :action => "account", :display_name => @user.display_name
146   end
147
148   def lost_password
149     @title = t "user.lost_password.title"
150
151     if params[:user] && params[:user][:email]
152       user = User.visible.find_by_email(params[:user][:email])
153
154       if user.nil?
155         users = User.visible.where("LOWER(email) = LOWER(?)", params[:user][:email])
156
157         user = users.first if users.count == 1
158       end
159
160       if user
161         token = user.tokens.create
162         Notifier.lost_password(user, token).deliver_now
163         flash[:notice] = t "user.lost_password.notice email on way"
164         redirect_to :action => "login"
165       else
166         flash.now[:error] = t "user.lost_password.notice email cannot find"
167       end
168     end
169   end
170
171   def reset_password
172     @title = t "user.reset_password.title"
173
174     if params[:token]
175       token = UserToken.find_by_token(params[:token])
176
177       if token
178         @user = token.user
179
180         if params[:user]
181           @user.pass_crypt = params[:user][:pass_crypt]
182           @user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
183           @user.status = "active" if @user.status == "pending"
184           @user.email_valid = true
185
186           if @user.save
187             token.destroy
188             flash[:notice] = t "user.reset_password.flash changed"
189             successful_login(@user)
190           end
191         end
192       else
193         flash[:error] = t "user.reset_password.flash token bad"
194         redirect_to :action => "lost_password"
195       end
196     else
197       render :text => "", :status => :bad_request
198     end
199   end
200
201   def new
202     @title = t "user.new.title"
203     @referer = params[:referer] || session[:referer]
204
205     if @user
206       # The user is logged in already, so don't show them the signup
207       # page, instead send them to the home page
208       if @referer
209         redirect_to @referer
210       else
211         redirect_to :controller => "site", :action => "index"
212       end
213     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
214       @user = User.new(:email => params[:email],
215                        :email_confirmation => params[:email],
216                        :display_name => params[:nickname],
217                        :auth_provider => params[:auth_provider],
218                        :auth_uid => params[:auth_uid])
219
220       flash.now[:notice] = render_to_string :partial => "auth_association"
221     else
222       check_signup_allowed
223     end
224   end
225
226   def create
227     @user = User.new(user_params)
228
229     if check_signup_allowed(@user.email)
230       session[:referer] = params[:referer]
231
232       @user.status = "pending"
233
234       if @user.auth_provider.present? && @user.pass_crypt.empty?
235         # We are creating an account with external authentication and
236         # no password was specified so create a random one
237         @user.pass_crypt = SecureRandom.base64(16)
238         @user.pass_crypt_confirmation = @user.pass_crypt
239       end
240
241       if @user.invalid?
242         # Something is wrong with a new user, so rerender the form
243         render :action => "new"
244       elsif @user.auth_provider.present?
245         # Verify external authenticator before moving on
246         session[:new_user] = @user
247         redirect_to auth_url(@user.auth_provider, @user.auth_uid)
248       else
249         # Save the user record
250         session[:new_user] = @user
251         redirect_to :action => :terms
252       end
253     end
254   end
255
256   def login
257     session[:referer] = params[:referer] if params[:referer]
258
259     if params[:username].present? && params[:password].present?
260       session[:remember_me] ||= params[:remember_me]
261       password_authentication(params[:username], params[:password])
262     elsif params[:openid_url].present?
263       session[:remember_me] ||= params[:remember_me_openid]
264       redirect_to auth_url("openid", params[:openid_url], params[:referer])
265     end
266   end
267
268   def logout
269     @title = t "user.logout.title"
270
271     if params[:session] == request.session_options[:id]
272       if session[:token]
273         token = UserToken.find_by_token(session[:token])
274         token.destroy if token
275         session.delete(:token)
276       end
277       session.delete(:user)
278       session_expires_automatically
279       if params[:referer]
280         redirect_to params[:referer]
281       else
282         redirect_to :controller => "site", :action => "index"
283       end
284     end
285   end
286
287   def confirm
288     if request.post?
289       token = UserToken.find_by_token(params[:confirm_string])
290       if token && token.user.active?
291         flash[:error] = t("user.confirm.already active")
292         redirect_to :action => "login"
293       elsif !token || token.expired?
294         flash[:error] = t("user.confirm.unknown token")
295         redirect_to :action => "confirm"
296       else
297         user = token.user
298         user.status = "active"
299         user.email_valid = true
300         user.save!
301         referer = token.referer
302         token.destroy
303
304         if session[:token]
305           token = UserToken.find_by_token(session[:token])
306           session.delete(:token)
307         else
308           token = nil
309         end
310
311         if token.nil? || token.user != user
312           flash[:notice] = t("user.confirm.success")
313           redirect_to :action => :login, :referer => referer
314         else
315           token.destroy
316
317           session[:user] = user.id
318
319           redirect_to referer || welcome_path
320         end
321       end
322     else
323       user = User.find_by_display_name(params[:display_name])
324
325       redirect_to root_path if user.nil? || user.active?
326     end
327   end
328
329   def confirm_resend
330     user = User.find_by_display_name(params[:display_name])
331     token = UserToken.find_by_token(session[:token])
332
333     if user.nil? || token.nil? || token.user != user
334       flash[:error] = t "user.confirm_resend.failure", :name => params[:display_name]
335     else
336       Notifier.signup_confirm(user, user.tokens.create).deliver_now
337       flash[:notice] = t("user.confirm_resend.success", :email => user.email, :sender => SUPPORT_EMAIL).html_safe
338     end
339
340     redirect_to :action => "login"
341   end
342
343   def confirm_email
344     if request.post?
345       token = UserToken.find_by_token(params[:confirm_string])
346       if token && token.user.new_email?
347         @user = token.user
348         @user.email = @user.new_email
349         @user.new_email = nil
350         @user.email_valid = true
351         if @user.save
352           flash[:notice] = t "user.confirm_email.success"
353         else
354           flash[:errors] = @user.errors
355         end
356         token.destroy
357         session[:user] = @user.id
358         redirect_to :action => "account", :display_name => @user.display_name
359       elsif token
360         flash[:error] = t "user.confirm_email.failure"
361         redirect_to :action => "account", :display_name => token.user.display_name
362       else
363         flash[:error] = t "user.confirm_email.unknown_token"
364       end
365     end
366   end
367
368   def api_read
369     if @this_user.visible?
370       render :action => :api_read, :content_type => "text/xml"
371     else
372       render :text => "", :status => :gone
373     end
374   end
375
376   def api_details
377     @this_user = @user
378     render :action => :api_read, :content_type => "text/xml"
379   end
380
381   def api_gpx_files
382     doc = OSM::API.new.get_xml_doc
383     @user.traces.reload.each do |trace|
384       doc.root << trace.to_xml_node
385     end
386     render :text => doc.to_s, :content_type => "text/xml"
387   end
388
389   def view
390     @this_user = User.find_by_display_name(params[:display_name])
391
392     if @this_user &&
393        (@this_user.visible? || (@user && @user.administrator?))
394       @title = @this_user.display_name
395     else
396       render_unknown_user params[:display_name]
397     end
398   end
399
400   def make_friend
401     @new_friend = User.find_by_display_name(params[:display_name])
402
403     if @new_friend
404       if request.post?
405         friend = Friend.new
406         friend.user_id = @user.id
407         friend.friend_user_id = @new_friend.id
408         if @user.is_friends_with?(@new_friend)
409           flash[:warning] = t "user.make_friend.already_a_friend", :name => @new_friend.display_name
410         elsif friend.save
411           flash[:notice] = t "user.make_friend.success", :name => @new_friend.display_name
412           Notifier.friend_notification(friend).deliver_now
413         else
414           friend.add_error(t("user.make_friend.failed", :name => @new_friend.display_name))
415         end
416
417         if params[:referer]
418           redirect_to params[:referer]
419         else
420           redirect_to :controller => "user", :action => "view"
421         end
422       end
423     else
424       render_unknown_user params[:display_name]
425     end
426   end
427
428   def remove_friend
429     @friend = User.find_by_display_name(params[:display_name])
430
431     if @friend
432       if request.post?
433         if @user.is_friends_with?(@friend)
434           Friend.delete_all "user_id = #{@user.id} AND friend_user_id = #{@friend.id}"
435           flash[:notice] = t "user.remove_friend.success", :name => @friend.display_name
436         else
437           flash[:error] = t "user.remove_friend.not_a_friend", :name => @friend.display_name
438         end
439
440         if params[:referer]
441           redirect_to params[:referer]
442         else
443           redirect_to :controller => "user", :action => "view"
444         end
445       end
446     else
447       render_unknown_user params[:display_name]
448     end
449   end
450
451   ##
452   # sets a user's status
453   def set_status
454     @this_user.status = params[:status]
455     @this_user.save
456     redirect_to :controller => "user", :action => "view", :display_name => params[:display_name]
457   end
458
459   ##
460   # delete a user, marking them as deleted and removing personal data
461   def delete
462     @this_user.delete
463     redirect_to :controller => "user", :action => "view", :display_name => params[:display_name]
464   end
465
466   ##
467   # display a list of users matching specified criteria
468   def list
469     if request.post?
470       ids = params[:user].keys.collect(&:to_i)
471
472       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
473       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
474
475       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
476     else
477       conditions = {}
478       conditions[:status] = params[:status] if params[:status]
479       conditions[:creation_ip] = params[:ip] if params[:ip]
480
481       @user_pages, @users = paginate(:users,
482                                      :conditions => conditions,
483                                      :order => :id,
484                                      :per_page => 50)
485     end
486   end
487
488   ##
489   # omniauth success callback
490   def auth_success
491     auth_info = env["omniauth.auth"]
492
493     provider = auth_info[:provider]
494     uid = auth_info[:uid]
495     name = auth_info[:info][:name]
496     email = auth_info[:info][:email]
497
498     case provider
499     when "openid"
500       email_verified = uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
501                        uid.match(%r{https://me.yahoo.com/(.*)})
502     when "google", "facebook"
503       email_verified = true
504     else
505       email_verified = false
506     end
507
508     if settings = session.delete(:new_user_settings)
509       @user.auth_provider = provider
510       @user.auth_uid = uid
511
512       update_user(@user, settings)
513
514       session[:user_errors] = @user.errors.as_json
515
516       redirect_to :action => "account", :display_name => @user.display_name
517     elsif session[:new_user]
518       session[:new_user].auth_provider = provider
519       session[:new_user].auth_uid = uid
520
521       if email_verified && email == session[:new_user].email
522         session[:new_user].status = "active"
523       end
524
525       redirect_to :action => "terms"
526     else
527       user = User.find_by_auth_provider_and_auth_uid(provider, uid)
528
529       if user.nil? && provider == "google"
530         openid_url = auth_info[:extra][:id_info]["openid_id"]
531         user = User.find_by_auth_provider_and_auth_uid("openid", openid_url) if openid_url
532         user.update(:auth_provider => provider, :auth_uid => uid) if user
533       end
534
535       if user
536         case user.status
537         when "pending" then
538           unconfirmed_login(user)
539         when "active", "confirmed" then
540           successful_login(user, env["omniauth.params"]["referer"])
541         when "suspended" then
542           failed_login t("user.login.account is suspended", :webmaster => "mailto:#{SUPPORT_EMAIL}")
543         else
544           failed_login t("user.login.auth failure")
545         end
546       else
547         redirect_to :action => "new", :nickname => name, :email => email,
548                     :auth_provider => provider, :auth_uid => uid
549       end
550     end
551   end
552
553   ##
554   # omniauth failure callback
555   def auth_failure
556     flash[:error] = t("user.auth_failure." + params[:message])
557     redirect_to params[:origin] || login_url
558   end
559
560   private
561
562   ##
563   # handle password authentication
564   def password_authentication(username, password)
565     if user = User.authenticate(:username => username, :password => password)
566       successful_login(user)
567     elsif user = User.authenticate(:username => username, :password => password, :pending => true)
568       unconfirmed_login(user)
569     elsif User.authenticate(:username => username, :password => password, :suspended => true)
570       failed_login t("user.login.account is suspended", :webmaster => "mailto:#{SUPPORT_EMAIL}"), username
571     else
572       failed_login t("user.login.auth failure"), username
573     end
574   end
575
576   ##
577   # return the URL to use for authentication
578   def auth_url(provider, uid, referer = nil)
579     params = { :provider => provider }
580
581     params[:openid_url] = openid_expand_url(uid) if provider == "openid"
582
583     if referer.nil?
584       params[:origin] = request.path
585     else
586       params[:origin] = request.path + "?referer=" + CGI.escape(referer)
587       params[:referer] = referer
588     end
589
590     auth_path(params)
591   end
592
593   ##
594   # special case some common OpenID providers by applying heuristics to
595   # try and come up with the correct URL based on what the user entered
596   def openid_expand_url(openid_url)
597     if openid_url.nil?
598       return nil
599     elsif openid_url.match(%r{(.*)gmail.com(/?)$}) || openid_url.match(%r{(.*)googlemail.com(/?)$})
600       # Special case gmail.com as it is potentially a popular OpenID
601       # provider and, unlike yahoo.com, where it works automatically, Google
602       # have hidden their OpenID endpoint somewhere obscure this making it
603       # somewhat less user friendly.
604       return "https://www.google.com/accounts/o8/id"
605     else
606       return openid_url
607     end
608   end
609
610   ##
611   # process a successful login
612   def successful_login(user, referer = nil)
613     session[:user] = user.id
614     session_expires_after 28.days if session[:remember_me]
615
616     target = referer || session[:referer] || url_for(:controller => :site, :action => :index)
617
618     # The user is logged in, so decide where to send them:
619     #
620     # - If they haven't seen the contributor terms, send them there.
621     # - If they have a block on them, show them that.
622     # - If they were referred to the login, send them back there.
623     # - Otherwise, send them to the home page.
624     if REQUIRE_TERMS_SEEN && !user.terms_seen
625       redirect_to :controller => :user, :action => :terms, :referer => target
626     elsif user.blocked_on_view
627       redirect_to user.blocked_on_view, :referer => target
628     else
629       redirect_to target
630     end
631
632     session.delete(:remember_me)
633     session.delete(:referer)
634   end
635
636   ##
637   # process a failed login
638   def failed_login(message, username = nil)
639     flash[:error] = message
640
641     redirect_to :action => "login", :referer => session[:referer],
642                 :username => username, :remember_me => session[:remember_me]
643
644     session.delete(:remember_me)
645     session.delete(:referer)
646   end
647
648   ##
649   #
650   def unconfirmed_login(user)
651     session[:token] = user.tokens.create.token
652
653     redirect_to :action => "confirm", :display_name => user.display_name
654
655     session.delete(:remember_me)
656     session.delete(:referer)
657   end
658
659   ##
660   # update a user's details
661   def update_user(user, params)
662     user.display_name = params[:user][:display_name]
663     user.new_email = params[:user][:new_email]
664
665     unless params[:user][:pass_crypt].empty? && params[:user][:pass_crypt_confirmation].empty?
666       user.pass_crypt = params[:user][:pass_crypt]
667       user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
668     end
669
670     if params[:user][:description] != user.description
671       user.description = params[:user][:description]
672       user.description_format = "markdown"
673     end
674
675     user.languages = params[:user][:languages].split(",")
676
677     case params[:image_action]
678     when "new" then
679       user.image = params[:user][:image]
680       user.image_use_gravatar = false
681     when "delete" then
682       user.image = nil
683       user.image_use_gravatar = false
684     when "gravatar" then
685       user.image = nil
686       user.image_use_gravatar = true
687     end
688
689     user.home_lat = params[:user][:home_lat]
690     user.home_lon = params[:user][:home_lon]
691
692     user.preferred_editor = if params[:user][:preferred_editor] == "default"
693                               nil
694                             else
695                               params[:user][:preferred_editor]
696                             end
697
698     if params[:user][:auth_provider].nil? || params[:user][:auth_provider].blank?
699       user.auth_provider = nil
700       user.auth_uid = nil
701     end
702
703     if user.save
704       set_locale
705
706       if user.new_email.blank? || user.new_email == user.email
707         flash.now[:notice] = t "user.account.flash update success"
708       else
709         user.email = user.new_email
710
711         if user.valid?
712           flash.now[:notice] = t "user.account.flash update success confirm needed"
713
714           begin
715             Notifier.email_confirm(user, user.tokens.create).deliver_now
716           rescue
717             # Ignore errors sending email
718           end
719         else
720           @user.errors.set(:new_email, @user.errors.get(:email))
721           @user.errors.set(:email, [])
722         end
723
724         user.restore_email!
725       end
726     end
727   end
728
729   ##
730   # require that the user is a administrator, or fill out a helpful error message
731   # and return them to the user page.
732   def require_administrator
733     if @user && !@user.administrator?
734       flash[:error] = t("user.filter.not_an_administrator")
735
736       if params[:display_name]
737         redirect_to :controller => "user", :action => "view", :display_name => params[:display_name]
738       else
739         redirect_to :controller => "user", :action => "login", :referer => request.fullpath
740       end
741     elsif !@user
742       redirect_to :controller => "user", :action => "login", :referer => request.fullpath
743     end
744   end
745
746   ##
747   # require that the user in the URL is the logged in user
748   def require_self
749     if params[:display_name] != @user.display_name
750       render :text => "", :status => :forbidden
751     end
752   end
753
754   ##
755   # ensure that there is a "this_user" instance variable
756   def lookup_user_by_id
757     @this_user = User.find(params[:id])
758   end
759
760   ##
761   # ensure that there is a "this_user" instance variable
762   def lookup_user_by_name
763     @this_user = User.find_by_display_name(params[:display_name])
764   rescue ActiveRecord::RecordNotFound
765     redirect_to :controller => "user", :action => "view", :display_name => params[:display_name] unless @this_user
766   end
767
768   ##
769   #
770   def disable_terms_redirect
771     # this is necessary otherwise going to the user terms page, when
772     # having not agreed already would cause an infinite redirect loop.
773     # it's .now so that this doesn't propagate to other pages.
774     flash.now[:skip_terms] = true
775   end
776
777   ##
778   # return permitted user parameters
779   def user_params
780     params.require(:user).permit(:email, :email_confirmation, :display_name,
781                                  :auth_provider, :auth_uid,
782                                  :pass_crypt, :pass_crypt_confirmation)
783   end
784
785   ##
786   # check signup acls
787   def check_signup_allowed(email = nil)
788     domain = if email.nil?
789                nil
790              else
791                email.split("@").last
792              end
793
794     if blocked = Acl.no_account_creation(request.remote_ip, domain)
795       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
796
797       render :action => "blocked"
798     end
799
800     !blocked
801   end
802 end