Added new password validation must be different from old (#2730)

Author: ygrik

src/components/users/change-password/ko/runtime/change-password.ts

@@ -55,6 +55,7 @@ export class ChangePassword {
 
         this.password.extend(<any>{ required: { message: ValidationMessages.passwordRequired } }); // TODO: password requirements should come from Management API.
         this.newPassword.extend(<any>{ required: { message: ValidationMessages.newPasswordRequired }, minLength: 8 }); // TODO: password requirements should come from Management API.
+        this.newPassword.extend(<any>{ notEqual: { message: ValidationMessages.newPasswordMustBeDifferent, params: this.password } });
         this.passwordConfirmation.extend(<any>{ equal: { message: ValidationMessages.passwordConfirmationMustMatch, params: this.newPassword } });
         this.captcha.extend(<any>{ required: { message: ValidationMessages.captchaRequired } });
     }

src/components/users/validationMessages.ts

@@ -7,6 +7,7 @@ export class ValidationMessages {
     static passwordRequired = `Password is required.`;
     static passwordConfirmationMustMatch = `Password confirmation field must be equal to password.`;
     static newPasswordRequired = `New password is required.`;
+    static newPasswordMustBeDifferent = `New password must be different from your old password.`;
     static consentRequired = `You must agree to the terms of use.`;
     static subscriptionNameRequired = `Subscription name is required.`;
 }