Add additional first_name and last_name SAML attribute statement options, and modify Omniauthable concern to use full_name or first_name + last_name if not available (#6669)

.env.production.sample

@@ -204,7 +204,9 @@ STREAMING_CLUSTER_NUM=1
 # SAML_SECURITY_ASSUME_EMAIL_IS_VERIFIED=true
 # SAML_ATTRIBUTES_STATEMENTS_UID="urn:oid:0.9.2342.19200300.100.1.1"
 # SAML_ATTRIBUTES_STATEMENTS_EMAIL="urn:oid:1.3.6.1.4.1.5923.1.1.1.6"
-# SAML_ATTRIBUTES_STATEMENTS_FULL_NAME="urn:oid:2.5.4.42"
+# SAML_ATTRIBUTES_STATEMENTS_FULL_NAME="urn:oid:2.16.840.1.113730.3.1.241"
+# SAML_ATTRIBUTES_STATEMENTS_FIRST_NAME="urn:oid:2.5.4.42"
+# SAML_ATTRIBUTES_STATEMENTS_LAST_NAME="urn:oid:2.5.4.4"
 # SAML_UID_ATTRIBUTE="urn:oid:0.9.2342.19200300.100.1.1"
 # SAML_ATTRIBUTES_STATEMENTS_VERIFIED=
 # SAML_ATTRIBUTES_STATEMENTS_VERIFIED_EMAIL=

app/models/concerns/omniauthable.rb

@@ -58,13 +58,14 @@ module Omniauthable
       email_is_verified = auth.info.verified || auth.info.verified_email || assume_verified
       email             = auth.info.verified_email || auth.info.email
       email             = email_is_verified && !User.exists?(email: auth.info.email) && email
+      display_name      = auth.info.full_name || [auth.info.first_name, auth.info.last_name].join(' ')
 
       {
         email: email ? email : "#{TEMP_EMAIL_PREFIX}-#{auth.uid}-#{auth.provider}.com",
         password: Devise.friendly_token[0, 20],
         account_attributes: {
           username: ensure_unique_username(auth.uid),
-          display_name: [auth.info.first_name, auth.info.last_name].join(' '),
+          display_name: display_name,
         },
       }
     end

config/initializers/omniauth.rb

@@ -55,6 +55,8 @@ Devise.setup do |config|
     saml_options[:attribute_statements][:uid] = [ENV['SAML_ATTRIBUTES_STATEMENTS_UID']] if ENV['SAML_ATTRIBUTES_STATEMENTS_UID']
     saml_options[:attribute_statements][:email] = [ENV['SAML_ATTRIBUTES_STATEMENTS_EMAIL']] if ENV['SAML_ATTRIBUTES_STATEMENTS_EMAIL']
     saml_options[:attribute_statements][:full_name] = [ENV['SAML_ATTRIBUTES_STATEMENTS_FULL_NAME']] if ENV['SAML_ATTRIBUTES_STATEMENTS_FULL_NAME']
+    saml_options[:attribute_statements][:first_name] = [ENV['SAML_ATTRIBUTES_STATEMENTS_FIRST_NAME']] if ENV['SAML_ATTRIBUTES_STATEMENTS_FIRST_NAME']
+    saml_options[:attribute_statements][:last_name] = [ENV['SAML_ATTRIBUTES_STATEMENTS_LAST_NAME']] if ENV['SAML_ATTRIBUTES_STATEMENTS_LAST_NAME']
     saml_options[:attribute_statements][:verified] = [ENV['SAML_ATTRIBUTES_STATEMENTS_VERIFIED']] if ENV['SAML_ATTRIBUTES_STATEMENTS_VERIFIED']
     saml_options[:attribute_statements][:verified_email] = [ENV['SAML_ATTRIBUTES_STATEMENTS_VERIFIED_EMAIL']] if ENV['SAML_ATTRIBUTES_STATEMENTS_VERIFIED_EMAIL']
     saml_options[:uid_attribute] = ENV['SAML_UID_ATTRIBUTE'] if ENV['SAML_UID_ATTRIBUTE']