November 2017
Intermediate to advanced
542 pages
14h 24m
English
Content preview from Spring Security - Third Edition
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The csrfMetaTags tag
If CSRF protection is enabled, this tag inserts meta tags containing the CSRF protection token form field, header names, and CSRF protection token value. These meta tags are useful for employing CSRF protection within JavaScript in your applications.
You should place the csrfMetaTags tag within an HTML <head></head> block, where you would normally place other meta tags. Once you use this tag, you can access the form field name, header name, and token value easily using JavaScript, as follows:
<html> <head> ... <sec:csrfMetaTags /> <script type="text/javascript" language="javascript"> var csrfParameter = $("meta[name='_csrf_parameter']").attr("content"); var csrfHeader = $("meta[name='_csrf_header']").attr("content"); ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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