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The ESAPI interfaces and {@code Exception} classes model the most
important security functions to enterprise web applications.
The interfaces in this package are intended to be extended and
customized within an enterprise to match their custom data,
security services, and application environment. A reference
implementation of this interface is provided as an example of how this
library can be implemented successfully, but is useful in many ways
by itself as well.
OWASP ESAPI interfaces and reference implementation provides
enterprise web application developers with the most important
security functions they need in ordre to build secure web applications
and web services that stand up to most common-day web-based attacks.
Sponsor
The The Open Web Application
Security Project (OWASP) is a worldwide free and open community focused
on improving the security of application software. Our mission is to
make application security "visible," so that people and organizations
can make informed decisions about application security risks. Everyone
is free to participate in OWASP and all of our materials are available
under an open source license. The OWASP Foundation is a 501c3
not-for-profit charitable organization that ensures the ongoing
availability and support for our work.
The
OWASP ESAPI Project
is led by Jeff Williams,
Aspect Security.
You can find more information about the ESAPI Java project, or join
the mailing list and help us make it better from the OWASP project page
at http://www.owasp.org/index.php/ESAPI#tab=Java_EE.
ESAPI Architecture
The ESAPI class library builds on the excellent security libraries available,
such as Java Logging, JCE, and Adobe Commons FileUpload. It uses the
concepts from many of the security packages out there, such as ACEGI,
Apache Commons Validator, Microsoft's AntiXSS library, and many many
more. This library provides a single consistent interface to security
functions that is intuitive for enterprise developers.
Addressing OWASP Top Ten
Used properly, the ESAPI provides enough functions to protect
against most of the
OWASP Top Ten. The only real exception is the
Insecure Communications category, which is generally outside the control
of the software developer.
Copyright and License
This project and all associated code is Copyright (c) 2007 - The OWASP Foundation
This project licensed under the BSD license,
which is very permissive and about as close to public domain as is possible. You can use or modify
ESAPI however you want, even include it in commercial products.
References
This library builds on some of the ideas found in: