Implementation for blocking fraudulent 3PID /unbind attempts

src/main/java/io/kamax/mxisd/config/threepid/connector/EmailSendGridConfig.java

@@ -115,7 +115,7 @@ public class EmailSendGridConfig {
 
     public static class Templates {
 
-        public static class TemplateSession {
+        public static class TemplateSessionValidation {
 
             private EmailTemplate local = new EmailTemplate();
             private EmailTemplate remote = new EmailTemplate();
@@ -137,6 +137,43 @@ public class EmailSendGridConfig {
             }
         }
 
+        public static class TemplateSessionUnbind {
+
+            private EmailTemplate fraudulent = new EmailTemplate();
+
+            public EmailTemplate getFraudulent() {
+                return fraudulent;
+            }
+
+            public void setFraudulent(EmailTemplate fraudulent) {
+                this.fraudulent = fraudulent;
+            }
+
+        }
+
+        public static class TemplateSession {
+
+            private TemplateSessionValidation validation = new TemplateSessionValidation();
+            private TemplateSessionUnbind unbind = new TemplateSessionUnbind();
+
+            public TemplateSessionValidation getValidation() {
+                return validation;
+            }
+
+            public void setValidation(TemplateSessionValidation validation) {
+                this.validation = validation;
+            }
+
+            public TemplateSessionUnbind getUnbind() {
+                return unbind;
+            }
+
+            public void setUnbind(TemplateSessionUnbind unbind) {
+                this.unbind = unbind;
+            }
+
+        }
+
         private EmailTemplate invite = new EmailTemplate();
         private TemplateSession session = new TemplateSession();
         private Map<String, EmailTemplate> generic = new HashMap<>();

src/main/java/io/kamax/mxisd/config/threepid/medium/EmailTemplateConfig.java

@@ -32,6 +32,7 @@ public class EmailTemplateConfig extends GenericTemplateConfig {
         getGeneric().put("matrixId", "classpath:/threepids/email/mxid-template.eml");
         getSession().getValidation().setLocal("classpath:/threepids/email/validate-local-template.eml");
         getSession().getValidation().setRemote("classpath:/threepids/email/validate-remote-template.eml");
+        getSession().getUnbind().setFraudulent("classpath:/threepids/email/unbind-fraudulent.eml");
     }
 
     public EmailTemplateConfig build() {

src/main/java/io/kamax/mxisd/config/threepid/medium/GenericTemplateConfig.java

@@ -62,7 +62,22 @@ public class GenericTemplateConfig {
 
         }
 
+        public static class SessionUnbind {
+
+            private String fraudulent;
+
+            public String getFraudulent() {
+                return fraudulent;
+            }
+
+            public void setFraudulent(String fraudulent) {
+                this.fraudulent = fraudulent;
+            }
+
+        }
+
         private SessionValidation validation = new SessionValidation();
+        private SessionUnbind unbind = new SessionUnbind();
 
         public SessionValidation getValidation() {
             return validation;
@@ -72,6 +87,14 @@ public class GenericTemplateConfig {
             this.validation = validation;
         }
 
+        public SessionUnbind getUnbind() {
+            return unbind;
+        }
+
+        public void setUnbind(SessionUnbind unbind) {
+            this.unbind = unbind;
+        }
+
     }
 
     private String invite;

src/main/java/io/kamax/mxisd/config/threepid/medium/PhoneSmsTemplateConfig.java

@@ -32,6 +32,7 @@ public class PhoneSmsTemplateConfig extends GenericTemplateConfig {
         getGeneric().put("matrixId", "classpath:/threepids/email/mxid-template.eml");
         getSession().getValidation().setLocal("classpath:/threepids/sms/validate-local-template.txt");
         getSession().getValidation().setRemote("classpath:/threepids/sms/validate-remote-template.txt");
+        getSession().getUnbind().setFraudulent("classpath:/threepids/sms/unbind-fraudulent.txt");
     }
 
     public PhoneSmsTemplateConfig build() {