Implement allowPublicKeyRetrieval option in mysql datasource

docs/config.md

@@ -1,5 +1,5 @@
 <!-- AUTO-GENERATED FILE! Do not edit this directly -->
-<!-- File auto-generated on Sat Dec 25 15:40:26 CET 2021. See docs/config/config.tpl.md -->
+<!-- File auto-generated on Mon Jul 18 13:02:11 CEST 2022. See docs/config/config.tpl.md -->
 
 ## AuthMe Configuration
 The first time you run AuthMe it will create a config.yml file in the plugins/AuthMe folder,
@@ -24,6 +24,9 @@ DataSource:
     # We would not recommend to set this option to false.
     # Set this option to false at your own risk if and only if you know what you're doing
     mySQLCheckServerCertificate: true
+    # Authorize client to retrieve RSA server public key.
+    # Advanced option, ignore if you don't know what it means.
+    mySQLAllowPublicKeyRetrieval: true
     # Username to connect to the MySQL database
     mySQLUsername: authme
     # Password to connect to the MySQL database
@@ -590,4 +593,4 @@ To change settings on a running server, save your changes to config.yml and use
 
 ---
 
-This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Sat Dec 25 15:40:26 CET 2021
+This page was automatically generated on the [AuthMe/AuthMeReloaded repository](https://github.com/AuthMe/AuthMeReloaded/tree/master/docs/) on Mon Jul 18 13:02:11 CEST 2022

src/main/java/fr/xephi/authme/datasource/MySQL.java

@@ -39,6 +39,7 @@ public class MySQL extends AbstractSqlDataSource {
 
     private boolean useSsl;
     private boolean serverCertificateVerification;
+    private boolean allowPublicKeyRetrieval;
     private String host;
     private String port;
     private String username;
@@ -118,6 +119,7 @@ public class MySQL extends AbstractSqlDataSource {
         this.maxLifetime = settings.getProperty(DatabaseSettings.MYSQL_CONNECTION_MAX_LIFETIME);
         this.useSsl = settings.getProperty(DatabaseSettings.MYSQL_USE_SSL);
         this.serverCertificateVerification = settings.getProperty(DatabaseSettings.MYSQL_CHECK_SERVER_CERTIFICATE);
+        this.allowPublicKeyRetrieval = settings.getProperty(DatabaseSettings.MYSQL_ALLOW_PUBLIC_KEY_RETRIEVAL);
     }
 
     /**
@@ -147,6 +149,9 @@ public class MySQL extends AbstractSqlDataSource {
         // Disabling server certificate verification on need
         if (!serverCertificateVerification) {
             ds.addDataSourceProperty("verifyServerCertificate", String.valueOf(false));
+        }        // Disabling server certificate verification on need
+        if (allowPublicKeyRetrieval) {
+            ds.addDataSourceProperty("allowPublicKeyRetrieval", String.valueOf(true));
         }
 
         // Encoding

src/main/java/fr/xephi/authme/settings/properties/DatabaseSettings.java

@@ -37,6 +37,11 @@ public final class DatabaseSettings implements SettingsHolder {
     public static final Property<Boolean> MYSQL_CHECK_SERVER_CERTIFICATE =
         newProperty( "DataSource.mySQLCheckServerCertificate", true );
 
+    @Comment({"Authorize client to retrieve RSA server public key.",
+        "Advanced option, ignore if you don't know what it means."})
+    public static final Property<Boolean> MYSQL_ALLOW_PUBLIC_KEY_RETRIEVAL =
+        newProperty( "DataSource.mySQLAllowPublicKeyRetrieval", true );
+
     @Comment("Username to connect to the MySQL database")
     public static final Property<String> MYSQL_USERNAME =
         newProperty("DataSource.mySQLUsername", "authme");