HTTPS metadata URL isn't considered valid when setting up an IdP connection

• Type: Regression Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: Application Security > SAML
• Labels:
  • SMEQAFP3
  • sme-must-7.2
• Fix Priority: 4

Steps to reproduce:

1. Create keystore in home folder with the following:
   keytool -genkey -alias tomcat -keyalg RSA
   Copy from user directory and rename with jks extension
2. Add the following to server.xml
   <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
   maxThreads="150" SSLEnabled="true" scheme="https" secure="true"
   clientAuth="false" sslProtocol="TLS" keystoreFile="/path/to/.keystore" keystorePass="liferay" />
3. Configure IdP and SP

Expected result:
Expected to be able to setup Identity Provider Connection on SP using HTTPS metadata URL

Actual result:
Error seen in browser: Please enter a valid metadata endpoint URL.

Reproduced on:
Tomcat 9.0.10 + MySQL 5.7.25
Portal master-private GIT ID: a9592e2d7fea42208023d053f0e6fedf4f6a2380