How does Struts2 token work?
When a request is made to the update action, Struts2 tags API generates a unique token and set it to the session. The same token is sent in the HTML response as hidden field.
What is token interceptor?
Ensures that only one request per token is processed. This interceptor can make sure that back buttons and double clicks don’t cause un-intended side affects. For example, you can use this to prevent careless users who might double click on a “checkout” button at an online store.
What is use of interceptor in angular?
Interceptors are a unique type of Angular Service that we can implement. Interceptors allow us to intercept incoming or outgoing HTTP requests using the HttpClient . By intercepting the HTTP request, we can modify or change the value of the request.
How do you implement an interceptor?
Interceptors are a way to do some work for every single HTTP request or response.
- Add a token or some custom HTTP header for all outgoing HTTP requests.
- Catch HTTP responses to do some custom formatting (i.e. convert CSV to JSON) before handing the data over to your service/component.
- Log all HTTP activity in the console.
What can Struts 2 token Interceptor be used for?
Struts 2 token interceptor can be used to handle multiple form submission problem. While designing web application, sometimes we have to make sure that double form submission is treated as duplicate request and not be processed.
How to set a token in Apache Struts?
Note: To set a token in your form, you should use the token tag. This tag is required and must be used in the forms that submit to actions protected by this interceptor. Any request that does not provide a token (using the token tag) will be processed as a request with an invalid token.
How to protect your application from CSRF attacks?
I am trying to protect my web application from CSRF attacks by using struts token interceptor. The problem I am facing right now is our JSP pages makes more than one call to server (While JSP is converted to JS a struts token is added to JS.But in this JS there are multiple Ajax request.
Can a token interceptor return the same response?
If you will use tokenSession interceptor, you will notice that it returns the same response as the first request. You can confirm this by going back and edit form fields and then submitting form again. The response update time and field values will be old values as sent in the first request.