Add OAUTH2 OIDC login support (#1140)

* Somewhat working

* Change Autocreate logic

* Add OAuth Error Message if Auto create Disabled

* Display OAUTH2 username(email) in Account Settings

* Disable Change user/pass for Oauth2 user

* Hide SSO Button if SSO login Disabled

* Remove some spaces and comments

* Add OAUTH2 Login example docker-compose file

* Add Some Comments

* Hide Printing of Client secret

* Remove OAUTH2 Beans

and replace with applicationProperties

* Add conditional annotation to Bean Creation

* Update settings.yml.template

Add OAUTH2 enabling template.

* Update messages_en_GB.properties

src/main/java/stirling/software/SPDF/model/ApplicationProperties.java

@@ -118,6 +118,7 @@ public class ApplicationProperties {
         private Boolean enableLogin;
         private Boolean csrfDisabled;
         private InitialLogin initialLogin;
+        private OAUTH2 oauth2;
         private int loginAttemptCount;
         private long loginResetTimeMinutes;
 
@@ -145,6 +146,14 @@ public class ApplicationProperties {
             this.initialLogin = initialLogin;
         }
 
+        public OAUTH2 getOAUTH2() {
+            return oauth2 != null ? oauth2 : new OAUTH2();
+        }
+
+        public void setOAUTH2(OAUTH2 oauth2) {
+            this.oauth2 = oauth2;
+        }
+
         public Boolean getEnableLogin() {
             return enableLogin;
         }
@@ -165,6 +174,8 @@ public class ApplicationProperties {
         public String toString() {
             return "Security [enableLogin="
                     + enableLogin
+                    + ", oauth2="
+                    + oauth2
                     + ", initialLogin="
                     + initialLogin
                     + ",  csrfDisabled="
@@ -202,6 +213,70 @@ public class ApplicationProperties {
                         + "]";
             }
         }
+
+        public static class OAUTH2 {
+
+            private boolean enabled;
+            private String issuer;
+            private String clientId;
+            private String clientSecret;
+            private boolean autoCreateUser;
+
+            public boolean getEnabled() {
+                return enabled;
+            }
+
+            public void setEnabled(boolean enabled) {
+                this.enabled = enabled;
+            }
+
+            public String getIssuer() {
+                return issuer;
+            }
+
+            public void setIssuer(String issuer) {
+                this.issuer = issuer;
+            }
+
+            public String getClientId() {
+                return clientId;
+            }
+
+            public void setClientId(String clientId) {
+                this.clientId = clientId;
+            }
+
+            public String getClientSecret() {
+                return clientSecret;
+            }
+
+            public void setClientSecret(String clientSecret) {
+                this.clientSecret = clientSecret;
+            }
+
+            public boolean getAutoCreateUser() {
+                return autoCreateUser;
+            }
+
+            public void setAutoCreateUser(boolean autoCreateUser) {
+                this.autoCreateUser = autoCreateUser;
+            }
+
+            @Override
+            public String toString() {
+                return "OAUTH2 [enabled="
+                        + enabled
+                        + ", issuer="
+                        + issuer
+                        + ", clientId="
+                        + clientId
+                        + ", clientSecret="
+                        + (clientSecret!= null && !clientSecret.isEmpty() ? "MASKED" : "NULL")
+                        + ", autoCreateUser="
+                        + autoCreateUser
+                        + "]";
+            }
+        }
     }
 
     public static class System {