November 2017
Intermediate to advanced
542 pages
14h 24m
English
Content preview from Spring Security - Third Edition
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Ajax and JSON requests
If you are using JSON, then it is not possible to submit the CSRF token within an HTTP parameter. Instead, you can submit the token within a HTTP header. A typical pattern would be to include the CSRF token within your <meta> HTML tags. An example with a JSP is as follows:
<html> <head> <meta name="_csrf" content="${_csrf.token}"/> <!-- default header name is X-CSRF-TOKEN --> <meta name="_csrf_header" content="${_csrf.headerName}"/> ... </head> …
Instead of manually creating the meta tags, you can use the simpler csrfMetaTags tag from the Spring Security JSP tag library.
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