X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/17a7c69e8dfefb5dda2a9f57d6ea3c879d4568f4..a53c7bf623f7a08706eaf73de44380fbf11b14ad:/app/controllers/user_controller.rb

diff --git a/app/controllers/user_controller.rb b/app/controllers/user_controller.rb
index f9bbd5dd5..b558311d2 100644
--- a/app/controllers/user_controller.rb
+++ b/app/controllers/user_controller.rb
@@ -4,19 +4,19 @@ class UserController < ApplicationController
   before_filter :authorize, :only => [:api_details, :api_gpx_files]
   before_filter :authorize_web, :except => [:api_details, :api_gpx_files]
   before_filter :set_locale, :except => [:api_details, :api_gpx_files]
-  before_filter :require_user, :only => [:set_home, :account, :go_public, :make_friend, :remove_friend, :upload_image, :delete_image]
+  before_filter :require_user, :only => [:account, :go_public, :make_friend, :remove_friend]
   before_filter :check_database_readable, :except => [:api_details, :api_gpx_files]
-  before_filter :check_database_writable, :only => [:login, :new, :set_home, :account, :go_public, :make_friend, :remove_friend, :upload_image, :delete_image]
+  before_filter :check_database_writable, :only => [:login, :new, :account, :go_public, :make_friend, :remove_friend]
   before_filter :check_api_readable, :only => [:api_details, :api_gpx_files]
   before_filter :require_allow_read_prefs, :only => [:api_details]
   before_filter :require_allow_read_gpx, :only => [:api_gpx_files]
   before_filter :require_cookies, :only => [:login, :confirm]
-  before_filter :require_administrator, :only => [:activate, :deactivate, :hide, :unhide, :delete]
-  before_filter :lookup_this_user, :only => [:activate, :deactivate, :hide, :unhide, :delete]
+  before_filter :require_administrator, :only => [:set_status, :delete, :list]
+  before_filter :lookup_this_user, :only => [:set_status, :delete]
 
   filter_parameter_logging :password, :pass_crypt, :pass_crypt_confirmation
-  
-  cache_sweeper :user_sweeper, :only => [:account, :hide, :unhide, :delete]
+
+  cache_sweeper :user_sweeper, :only => [:account, :set_status, :delete]
 
   def save
     @title = t 'user.new.title'
@@ -24,78 +24,79 @@ class UserController < ApplicationController
     if Acl.find_by_address(request.remote_ip, :conditions => {:k => "no_account_creation"})
       render :action => 'new'
     else
-	  #The redirect from the OpenID provider reenters here again
-	  #and we need to pass the parameters through to the 
-	  #open_id_authentication function a second time
-	  if params[:open_id_complete]
-		openid_verify('', true)
-		#We have set the user.openid_url to nil beforehand. If it hasn't
-		#been set to a new valid openid_url, it means the openid couldn't be validated
-		if @user.nil? or @user.openid_url.nil?
-		  render :action => 'new'
-		  return
-		end  
-	  else
-		@user = User.new(params[:user])
-		
-		@user.visible = true
-		@user.data_public = true
-		@user.description = "" if @user.description.nil?
-		@user.creation_ip = request.remote_ip
-		@user.languages = request.user_preferred_languages
-		#Set the openid_url to nil as for one it is used
-		#to check if the openid could be validated and secondly
-		#to not get dupplicate conflicts for an empty openid 
-		@user.openid_url = nil
-
-		if (!params[:user][:openid_url].nil? and params[:user][:openid_url].length > 0)
-		  if @user.pass_crypt.length == 0 
+      #The redirect from the OpenID provider reenters here again 
+      #and we need to pass the parameters through to the  
+      #open_id_authentication function a second time 
+      if params[:open_id_complete] 
+        openid_verify('', true) 
+        #We have set the user.openid_url to nil beforehand. If it hasn't 
+        #been set to a new valid openid_url, it means the openid couldn't be validated 
+        if @user.nil? or @user.openid_url.nil? 
+          render :action => 'new' 
+          return 
+        end   
+      else
+        @user = User.new(params[:user])
+
+        @user.status = "pending"
+        @user.data_public = true
+        @user.description = "" if @user.description.nil?
+        @user.creation_ip = request.remote_ip
+        @user.languages = request.user_preferred_languages
+        #Set the openid_url to nil as for one it is used 
+        #to check if the openid could be validated and secondly 
+        #to not get dupplicate conflicts for an empty openid  
+        @user.openid_url = nil
+
+        if (!params[:user][:openid_url].nil? and params[:user][:openid_url].length > 0)
+          if (@user.pass_crypt.nil? or @user.pass_crypt.length == 0)
             #if the password is empty, but we have a openid 
             #then generate a random passowrd to disable 
             #loging in via password 
             @user.pass_crypt = ActiveSupport::SecureRandom.base64(16) 
             @user.pass_crypt_confirmation = @user.pass_crypt 
           end
-		  #Validate all of the other fields before
-		  #redirecting to the openid provider
-		  if !@user.valid?
-			render :action => 'new'
-		  else		  
-			#TODO: Is it a problem to store the user variable with respect to password safty in the session variables?
-			#Store the user variable in the session for it to be accessible when redirecting back from the openid provider
-			session[:new_usr] = @user
-			begin
-			  @norm_openid_url = OpenIdAuthentication.normalize_identifier(params[:user][:openid_url])
-			rescue
-			  flash.now[:error] = t 'user.login.openid invalid'
-			  render :action => 'new'
-			  return
-			end
-			#Verify that the openid provided is valid and that the user is the owner of the id
-			openid_verify(@norm_openid_url, true)
-			#openid_verify can return in two ways:
-			#Either it returns with a redirect to the openid provider who then freshly
-			#redirects back to this url if the openid is valid, or if the openid is not plausible
-			#and no provider for it could be found it just returns
-			#we want to just let the redirect through
-			if response.headers["Location"].nil?
-			  render :action => 'new'
-			end
-		  end
-		  #At this point there was either an error and the page has been rendered,
-		  #or there is a redirect to the openid provider and the rest of the method
-		  #gets executed whenn this method gets reentered after redirecting back
-		  #from the openid provider
-		  return
-		end
-	  end
-	  if @user.save
-		flash[:notice] = t 'user.new.flash create success message'
-		Notifier.deliver_signup_confirm(@user, @user.tokens.create(:referer => params[:referer]))
-		redirect_to :action => 'login'
-	  else
-		render :action => 'new'
-	  end
+          #Validate all of the other fields before
+          #redirecting to the openid provider
+          if !@user.valid?
+            render :action => 'new'
+          else        
+            #TODO: Is it a problem to store the user variable with respect to password safty in the session variables?
+            #Store the user variable in the session for it to be accessible when redirecting back from the openid provider
+            session[:new_usr] = @user
+            begin
+              @norm_openid_url = OpenIdAuthentication.normalize_identifier(params[:user][:openid_url])
+            rescue
+              flash.now[:error] = t 'user.login.openid invalid'
+              render :action => 'new'
+              return
+            end
+            #Verify that the openid provided is valid and that the user is the owner of the id
+            openid_verify(@norm_openid_url, true)
+            #openid_verify can return in two ways:
+            #Either it returns with a redirect to the openid provider who then freshly
+            #redirects back to this url if the openid is valid, or if the openid is not plausible
+            #and no provider for it could be found it just returns
+            #we want to just let the redirect through
+            if response.headers["Location"].nil?
+              render :action => 'new'
+            end
+          end
+          #At this point there was either an error and the page has been rendered,
+          #or there is a redirect to the openid provider and the rest of the method
+          #gets executed whenn this method gets reentered after redirecting back
+          #from the openid provider
+          return
+        end
+      end
+
+      if @user.save
+        flash[:notice] = t 'user.new.flash create success message'
+        Notifier.deliver_signup_confirm(@user, @user.tokens.create(:referer => params[:referer]))
+        redirect_to :action => 'login'
+      else
+        render :action => 'new'
+      end
     end
   end
 
@@ -108,56 +109,71 @@ class UserController < ApplicationController
     #open_id_authentication function
     if params[:open_id_complete]
       openid_verify('', false)
-	  @user.save
+      @user.save
       return
     end
 
     if params[:user] and params[:user][:display_name] and params[:user][:description]
-      if params[:user][:email] != @user.email
-        @user.new_email = params[:user][:email]
-      end
-
       @user.display_name = params[:user][:display_name]
+      @user.new_email = params[:user][:new_email]
 
       if params[:user][:pass_crypt].length > 0 or params[:user][:pass_crypt_confirmation].length > 0
         @user.pass_crypt = params[:user][:pass_crypt]
         @user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
       end
-      if (params[:user][:openid_url].length == 0)
-        #Clearing doesn't need OpenID validation, so we can set it here.
-        @user.openid_url = nil
-      end
 
       @user.description = params[:user][:description]
       @user.languages = params[:user][:languages].split(",")
+
+      case params[:image_action]
+        when "new" then @user.image = params[:user][:image]
+        when "delete" then @user.image = nil
+      end
+
       @user.home_lat = params[:user][:home_lat]
       @user.home_lon = params[:user][:home_lon]
 
+      @user.openid_url = nil if (params[:user][:openid_url].length == 0)
+
       if @user.save
         set_locale
 
-        if params[:user][:email] == @user.new_email
-          flash.now[:notice] = t 'user.account.flash update success confirm needed'
-          Notifier.deliver_email_confirm(@user, @user.tokens.create)
+        if @user.new_email.nil? or @user.new_email.empty?
+          flash[:notice] = t 'user.account.flash update success'
         else
-          flash.now[:notice] = t 'user.account.flash update success'
+          flash[:notice] = t 'user.account.flash update success confirm needed'
+
+          begin
+            Notifier.deliver_email_confirm(@user, @user.tokens.create)
+          rescue
+            # Ignore errors sending email
+          end
         end
+
+        redirect_to :action => "account", :display_name => @user.display_name
       end
 
       if (params[:user][:openid_url].length > 0)
-		begin
-		  @norm_openid_url = OpenIdAuthentication.normalize_identifier(params[:user][:openid_url])
-		  if (@norm_openid_url != @user.openid_url)
-			#If the OpenID has changed, we want to check that it is a valid OpenID and one
-			#the user has control over before saving the openID as a password equivalent for
-			#the user.
-			openid_verify(@norm_openid_url, false)
-		  end
-		rescue
-		  flash.now[:error] = t 'user.login.openid invalid'
-		end
+        begin
+          @norm_openid_url = OpenIdAuthentication.normalize_identifier(params[:user][:openid_url])
+          if (@norm_openid_url != @user.openid_url)
+            #If the OpenID has changed, we want to check that it is a valid OpenID and one
+            #the user has control over before saving the openID as a password equivalent for
+            #the user.
+            openid_verify(@norm_openid_url, false)
+          end
+        rescue
+          flash.now[:error] = t 'user.login.openid invalid'
+        end
       end
 
+    else
+      if flash[:errors]
+        flash[:errors].each do |attr,msg|
+          attr = "new_email" if attr == "email"
+          @user.errors.add(attr,msg)
+        end
+      end
     end
   end
 
@@ -180,33 +196,70 @@ class UserController < ApplicationController
         #e.g. one can simply enter yahoo.com in the login box, i.e. no user specific url
         #only once it comes back from the OpenID provider do we know the unique address for
         #the user.
-		@user = session[:new_usr] unless @user #this is used for account creation when the user is not yet in the database
+        @user = session[:new_usr] unless @user #this is used for account creation when the user is not yet in the database
         @user.openid_url = identity_url
-	  elsif result.missing?
-		mapped_id = openid_specialcase_mapping(openid_url)
-		if mapped_id
-		  openid_verify(mapped_id, account_create)
-		else
-		  flash.now[:error] = t 'user.login.openid missing provider'
-		end
-	  elsif result.invalid?
-		flash.now[:error] = t 'user.login.openid invalid'
-	  else
-		flash.now[:error] = t 'user.login.auth failure'
-	  end
+      elsif result.missing?
+        mapped_id = openid_specialcase_mapping(openid_url)
+        if mapped_id
+          openid_verify(mapped_id, account_create)
+        else
+          flash.now[:error] = t 'user.login.openid missing provider'
+        end
+      elsif result.invalid?
+        flash.now[:error] = t 'user.login.openid invalid'
+      else
+        flash.now[:error] = t 'user.login.auth failure'
+      end
     end
   end
 
-
-  def set_home
-    if params[:user][:home_lat] and params[:user][:home_lon]
-      @user.home_lat = params[:user][:home_lat].to_f
-      @user.home_lon = params[:user][:home_lon].to_f
-      if @user.save
-        flash[:notice] = t 'user.set_home.flash success'
-        redirect_to :controller => 'user', :action => 'account'
+  def open_id_authentication(openid_url)
+    #TODO: only ask for nickname and email, if we don't already have a user for that openID, in which case
+    #email and nickname are already filled out. I don't know how to do that with ruby syntax though, as we
+    #don't want to duplicate the do block
+    #On the other hand it also doesn't matter too much if we ask every time, as the OpenID provider should
+    #remember these results, and shouldn't repromt the user for these data each time.
+    user = nil
+    authenticate_with_open_id(openid_url, :return_to => request.protocol + request.host_with_port + '/login?referer=' + params[:referer], :optional => [:nickname, :email]) do |result, identity_url, registration|
+      if result.successful?
+        #We need to use the openid url passed back from the OpenID provider
+        #rather than the one supplied by the user, as these can be different.
+        #e.g. one can simply enter yahoo.com in the login box, i.e. no user specific url
+        #only once it comes back from the OpenID provider do we know the unique address for
+        #the user.
+        user = User.find_by_openid_url(identity_url)
+        if user
+          if user.visible? and user.active?
+            session[:user] = user.id
+            session_expires_after 1.month if session[:remember]
+            return user
+          else
+            user = nil
+            flash.now[:error] = t 'user.login.account not active'
+          end
+        else
+          #We don't have a user registered to this OpenID. Redirect to the create account page
+          #with username and email filled in if they have been given by the OpenID provider through
+          #the simple registration protocol
+          redirect_to :controller => 'user', :action => 'new', :nickname => registration['nickname'], :email => registration['email'], :openid => identity_url
+        end
+      else if result.missing?
+             #Try and apply some heuristics to make common cases more userfriendly
+             mapped_id = openid_specialcase_mapping(openid_url)
+             if mapped_id
+               open_id_authentication(mapped_id)
+             else
+               flash.now[:error] = t 'user.login.openid missing provider'
+             end
+           else if result.invalid?
+                  flash.now[:error] = t 'user.login.openid invalid'
+                else
+                  flash.now[:error] = t 'user.login.auth failure'
+                end
+           end
       end
     end
+    return user
   end
 
   def go_public
@@ -220,12 +273,13 @@ class UserController < ApplicationController
     @title = t 'user.lost_password.title'
 
     if params[:user] and params[:user][:email]
-      user = User.find_by_email(params[:user][:email], :conditions => {:visible => true})
+      user = User.find_by_email(params[:user][:email], :conditions => {:status => ["pending", "active", "confirmed"]})
 
       if user
         token = user.tokens.create
         Notifier.deliver_lost_password(user, token)
-        flash.now[:notice] = t 'user.lost_password.notice email on way'
+        flash[:notice] = t 'user.lost_password.notice email on way'
+        redirect_to :action => 'login'
       else
         flash.now[:error] = t 'user.lost_password.notice email cannot find'
       end
@@ -244,7 +298,7 @@ class UserController < ApplicationController
         if params[:user]
           @user.pass_crypt = params[:user][:pass_crypt]
           @user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
-          @user.active = true
+          @user.status = "active" if @user.status == "pending"
           @user.email_valid = true
 
           if @user.save
@@ -263,120 +317,83 @@ class UserController < ApplicationController
   def new
     @title = t 'user.new.title'
 
-    # The user is logged in already, so don't show them the signup page, instead
-    # send them to the home page
+    # The user is logged in already, so don't show them the signup
+    # page, instead send them to the home page
     redirect_to :controller => 'site', :action => 'index' if session[:user]
 
     @nickname = params['nickname']
     @email = params['email']
-	@openID = params['openid']
+    @openID = params['openid']
+	
+    if !params['openid'].nil?
+      flash.now[:notice] = t 'user.new.openid association'
+    end
   end
 
   def login
+    @title = t 'user.login.title'
 
     #The redirect from the OpenID provider reenters here again
     #and we need to pass the parameters through to the 
     # open_id_authentication function
     if params[:open_id_complete]
-      open_id_authentication('')
-    end
-
-    
-    if params[:user] and session[:user].nil?
-
+      user = open_id_authentication('')
+    elsif params[:user]
       if !params[:user][:openid_url].nil? and !params[:user][:openid_url].empty?
+        session[:remember] = params[:remember_me]
+        #construct the openid request. This will redirect to the OpenID server to ask for validation
+        #The external OpenID server will then redirect back to the login method and reenters at the top
         open_id_authentication(params[:user][:openid_url])
+        return
       else
         email_or_display_name = params[:user][:email]
         pass = params[:user][:password]
-        user = User.authenticate(:username => email_or_display_name, :password => pass)
-        if user
+
+        if user = User.authenticate(:username => email_or_display_name, :password => pass)
           session[:user] = user.id
-        elsif User.authenticate(:username => email_or_display_name, :password => pass, :inactive => true)
+          session_expires_after 1.month if params[:remember_me]
+        elsif User.authenticate(:username => email_or_display_name, :password => pass, :pending => true)
           flash.now[:error] = t 'user.login.account not active'
+        elsif User.authenticate(:username => email_or_display_name, :password => pass, :suspended => true)
+          flash.now[:error] = t 'user.login.account suspended'
         else
           flash.now[:error] = t 'user.login.auth failure'
         end
       end
     end
-  
-    if session[:user]
-      # The user is logged in, if the referer param exists, redirect them to that
-      # unless they've also got a block on them, in which case redirect them to
-      # the block so they can clear it.
-      user = User.find(session[:user])
-      block = user.blocked_on_view
-      if block
-        redirect_to block, :referrer => params[:referrer]
+
+    if user
+      # The user is logged in, if the referer param exists, redirect
+      # them to that unless they've also got a block on them, in
+      # which case redirect them to the block so they can clear it.
+      if user.blocked_on_view
+        redirect_to user.blocked_on_view, :referrer => params[:referrer]
       elsif params[:referer]
         redirect_to params[:referer]
       else
         redirect_to :controller => 'site', :action => 'index'
       end
-      return
     end
-
-    @title = t 'user.login.title'
   end
 
-  def open_id_authentication(openid_url)
-    #TODO: only ask for nickname and email, if we don't already have a user for that openID, in which case
-    #email and nickname are already filled out. I don't know how to do that with ruby syntax though, as we
-    #don't want to duplicate the do block
-    #On the other hand it also doesn't matter too much if we ask every time, as the OpenID provider should
-    #remember these results, and shouldn't repromt the user for these data each time.
-    authenticate_with_open_id(openid_url, :return_to => request.protocol + request.host_with_port + '/login?referer=' + params[:referer], :optional => [:nickname, :email]) do |result, identity_url, registration|
-      if result.successful?
-        #We need to use the openid url passed back from the OpenID provider
-        #rather than the one supplied by the user, as these can be different.
-        #e.g. one can simply enter yahoo.com in the login box, i.e. no user specific url
-        #only once it comes back from the OpenID provider do we know the unique address for
-        #the user.
-        user = User.find_by_openid_url(identity_url)
-        if user
-          if user.visible? and user.active?
-            session[:user] = user.id
-          else
-            user = nil
-            flash.now[:error] = t 'user.login.account not active'
-          end
-        else
-          #We don't have a user registered to this OpenID. Redirect to the create account page
-          #with username and email filled in if they have been given by the OpenID provider through
-          #the simple registration protocol
-          redirect_to :controller => 'user', :action => 'new', :nickname => registration['nickname'], :email => registration['email'], :openid => identity_url
+  def logout
+    @title = t 'user.logout.title'
+
+    if params[:session] == request.session_options[:id]
+      if session[:token]
+        token = UserToken.find_by_token(session[:token])
+        if token
+          token.destroy
         end
-      else if result.missing?
-             #Try and apply some heuristics to make common cases more userfriendly
-             mapped_id = openid_specialcase_mapping(openid_url)
-             if mapped_id
-               open_id_authentication(mapped_id)
-             else
-               flash.now[:error] = t 'user.login.openid missing provider'
-             end
-           else if result.invalid?
-                  flash.now[:error] = t 'user.login.openid invalid'
-                else
-                  flash.now[:error] = t 'user.login.auth failure'
-                end
-           end
+        session[:token] = nil
       end
-    end
-  end
-
-  def logout
-    if session[:token]
-      token = UserToken.find_by_token(session[:token])
-      if token
-        token.destroy
+      session[:user] = nil
+      session_expires_automatically
+      if params[:referer]
+        redirect_to params[:referer]
+      else
+        redirect_to :controller => 'site', :action => 'index'
       end
-      session[:token] = nil
-    end
-    session[:user] = nil
-    if params[:referer]
-      redirect_to params[:referer]
-    else
-      redirect_to :controller => 'site', :action => 'index'
     end
   end
 
@@ -385,7 +402,7 @@ class UserController < ApplicationController
       token = UserToken.find_by_token(params[:confirm_string])
       if token and !token.user.active?
         @user = token.user
-        @user.active = true
+        @user.status = "active"
         @user.email_valid = true
         @user.save!
         referer = token.referer
@@ -410,11 +427,13 @@ class UserController < ApplicationController
         @user = token.user
         @user.email = @user.new_email
         @user.new_email = nil
-        @user.active = true
         @user.email_valid = true
-        @user.save!
+        if @user.save
+          flash[:notice] = t 'user.confirm_email.success'
+        else
+          flash[:errors] = @user.errors
+        end
         token.destroy
-        flash[:notice] = t 'user.confirm_email.success'
         session[:user] = @user.id
         redirect_to :action => 'account', :display_name => @user.display_name
       else
@@ -423,18 +442,6 @@ class UserController < ApplicationController
     end
   end
 
-  def upload_image
-    @user.image = params[:user][:image]
-    @user.save!
-    redirect_to :controller => 'user', :action => 'view', :display_name => @user.display_name
-  end
-
-  def delete_image
-    @user.image = nil
-    @user.save!
-    redirect_to :controller => 'user', :action => 'view', :display_name => @user.display_name
-  end
-
   def api_gpx_files
     doc = OSM::API.new.get_xml_doc
     @user.traces.each do |trace|
@@ -459,7 +466,7 @@ class UserController < ApplicationController
   def make_friend
     if params[:display_name]
       name = params[:display_name]
-      new_friend = User.find_by_display_name(name, :conditions => {:visible => true})
+      new_friend = User.find_by_display_name(name, :conditions => {:status => ["active", "confirmed"]})
       friend = Friend.new
       friend.user_id = @user.id
       friend.friend_user_id = new_friend.id
@@ -474,14 +481,18 @@ class UserController < ApplicationController
         flash[:warning] = t 'user.make_friend.already_a_friend', :name => name
       end
 
-      redirect_to :controller => 'user', :action => 'view'
+      if params[:referer]
+        redirect_to params[:referer]
+      else
+        redirect_to :controller => 'user', :action => 'view'
+      end
     end
   end
 
   def remove_friend
     if params[:display_name]
       name = params[:display_name]
-      friend = User.find_by_display_name(name, :conditions => {:visible => true})
+      friend = User.find_by_display_name(name, :conditions => {:status => ["active", "confirmed"]})
       if @user.is_friends_with?(friend)
         Friend.delete_all "user_id = #{@user.id} AND friend_user_id = #{friend.id}"
         flash[:notice] = t 'user.remove_friend.success', :name => friend.display_name
@@ -489,52 +500,66 @@ class UserController < ApplicationController
         flash[:error] = t 'user.remove_friend.not_a_friend', :name => friend.display_name
       end
 
-      redirect_to :controller => 'user', :action => 'view'
+      if params[:referer]
+        redirect_to params[:referer]
+      else
+        redirect_to :controller => 'user', :action => 'view'
+      end
     end
   end
 
   ##
-  # activate a user, allowing them to log in
-  def activate
-    @this_user.update_attributes(:active => true)
+  # sets a user's status
+  def set_status
+    @this_user.update_attributes(:status => params[:status])
     redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
   end
 
   ##
-  # deactivate a user, preventing them from logging in
-  def deactivate
-    @this_user.update_attributes(:active => false)
+  # delete a user, marking them as deleted and removing personal data
+  def delete
+    @this_user.delete
     redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
   end
 
   ##
-  # hide a user, marking them as logically deleted
-  def hide
-    @this_user.update_attributes(:visible => false)
-    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
-  end
+  # display a list of users matching specified criteria
+  def list
+    if request.post?
+      ids = params[:user].keys.collect { |id| id.to_i }
 
-  ##
-  # unhide a user, clearing the logically deleted flag
-  def unhide
-    @this_user.update_attributes(:visible => true)
-    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
-  end
+      User.update_all("status = 'confirmed'", :id => ids) if params[:confirm]
+      User.update_all("status = 'deleted'", :id => ids) if params[:hide]
 
-  ##
-  # delete a user, marking them as deleted and removing personal data
-  def delete
-    @this_user.delete
-    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+      redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
+    else
+      conditions = Hash.new
+      conditions[:status] = params[:status] if params[:status]
+      conditions[:creation_ip] = params[:ip] if params[:ip]
+
+      @user_pages, @users = paginate(:users,
+                                     :conditions => conditions,
+                                     :order => :id,
+                                     :per_page => 50)
+    end
   end
+
 private
+
   ##
   # require that the user is a administrator, or fill out a helpful error message
   # and return them to the user page.
   def require_administrator
-    unless @user.administrator?
+    if @user and not @user.administrator?
       flash[:error] = t('user.filter.not_an_administrator')
-      redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+
+      if params[:display_name]
+        redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+      else
+        redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
+      end
+    elsif not @user
+      redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
     end
   end