require an active pseudonym (in the applicable account) for API requests

test plan:
 * issue an access_token
 * delete the user's pseudonym(s)
 * the access token should no longer work

Change-Id: Ib4ecee6b3713827dd997e06481ddae1175042a9b
Reviewed-on: https://gerrit.instructure.com/7637
Reviewed-by: Brian Palmer <brianp@instructure.com>
Tested-by: Cody Cutrer <cody@instructure.com>

lib/authentication_methods.rb

@@ -58,8 +58,8 @@ module AuthenticationMethods
         return false
       end
       @current_user = @access_token.user
-      @current_pseudonym = @current_user.pseudonym
+      @current_pseudonym = @current_user.find_pseudonym_for_account(@domain_root_account)
-      unless @current_user
+      unless @current_user && @current_pseudonym
         render :json => {:errors => "Invalid access token"}, :status => :bad_request
         return false
       end

spec/apis/api_spec_helper.rb

@@ -70,6 +70,7 @@ def raw_api_call(method, path, params, body_params = {}, headers = {}, opts = {}
       token = @user.access_tokens.first
       token ||= @user.access_tokens.create!(:purpose => 'test')
       params[:access_token] = token.token
+      @user.pseudonyms.create!(:unique_id => "#{@user.id}@example.com", :account => opts[:domain_root_account]) unless @user.pseudonym(true)
     end
 
     LoadAccount.stubs(:default_domain_root_account).returns(opts[:domain_root_account]) if opts.has_key?(:domain_root_account)

spec/apis/v1/account_authorization_configs_api_spec.rb

@@ -20,8 +20,8 @@ require File.expand_path(File.dirname(__FILE__) + '/../api_spec_helper')
 
 describe "AccountAuthorizationConfigs API", :type => :integration do
   before do
-    user_with_pseudonym(:active_all => true)
     @account = account_model(:name => 'root')
+    user_with_pseudonym(:active_all => true, :account => @account)
     @account.add_user(@user)
   end
 

spec/apis/v1/accounts_api_spec.rb

@@ -20,6 +20,7 @@ require File.expand_path(File.dirname(__FILE__) + '/../api_spec_helper')
 
 describe "Accounts API", :type => :integration do
   before do
+    Pseudonym.any_instance.stubs(:works_for_account?).returns(true)
     user_with_pseudonym(:active_all => true)
     @a1 = account_model(:name => 'root')
     @a1.add_user(@user)

spec/apis/v1/general_auth_spec.rb

@@ -27,6 +27,7 @@ describe CoursesController, :type => :integration do
   end
   
   it "should accept access_token" do
+    @user.pseudonyms.create!(:unique_id => 'test@example.com')
     @token = @user.access_tokens.create!(:purpose => "test")
 
     @token.last_used_at.should be_nil
@@ -42,6 +43,7 @@ describe CoursesController, :type => :integration do
   end
   
   it "should not accept an invalid access_token" do
+    @user.pseudonyms.create!(:unique_id => 'test@example.com')
     @token = @user.access_tokens.create!(:purpose => "test")
 
     raw_api_call(:get, "/api/v1/courses/#{@course2.id}/students.json?access_token=1234",
@@ -52,6 +54,7 @@ describe CoursesController, :type => :integration do
   end
   
   it "should not accept an expired access_token" do
+    @user.pseudonyms.create!(:unique_id => 'test@example.com')
     @token = @user.access_tokens.create!(:purpose => "test", :expires_at => 2.weeks.ago)
 
     raw_api_call(:get, "/api/v1/courses/#{@course2.id}/students.json?access_token=#{@token.token}",
@@ -61,6 +64,18 @@ describe CoursesController, :type => :integration do
     json['errors'].should == "Invalid access token"
   end
 
+  it "should require an active pseudonym" do
+    @token = @user.access_tokens.create!(:purpose => "test")
+
+    @token.last_used_at.should be_nil
+
+    raw_api_call(:get, "/api/v1/courses/#{@course2.id}/students.json?access_token=#{@token.token}",
+            { :access_token => @token.token, :controller => 'courses', :action => 'students', :course_id => @course2.id.to_s, :format => 'json' })
+    response.status.to_i.should == 400
+    json = JSON.parse(response.body)
+    json['errors'].should == "Invalid access token"
+  end
+
   it "should allow as_user_id" do
     account_admin_user(:account => Account.site_admin)
     user_with_pseudonym(:user => @user)

spec/apis/v1/sis_imports_api_spec.rb

@@ -20,7 +20,7 @@ require File.expand_path(File.dirname(__FILE__) + '/../api_spec_helper')
 
 describe SisImportsApiController, :type => :integration do
   before do
-    @user = user :active_all => true
+    @user = user_with_pseudonym :active_all => true
     user_session @user
     @account = Account.default
     @account.allow_sis_import = true