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| <h1>JSP/GSP Tag Library for Apache Shiro</h1> |
| </div> |
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| <div class="title">Handy Hint</div> |
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| <div class="title">Shiro v1 version notice</div> |
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| <p>As of 2024-02-28, Shiro v1 will soon be superseded by v2.<p> |
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| <ul> |
| <li> |
| <p><strong><shiro:guest/></strong><br> |
| Displays body content only if the current Subject IS NOT known to the system, either because they have not logged in or they have no corresponding 'RememberMe' identity. |
| It is logically opposite to the 'user' tag.</p> |
| </li> |
| <li> |
| <p><strong><shiro:user/></strong><br> |
| Displays body content only if the current Subject has a known identity, either from a previous login or from 'RememberMe' services. |
| Note that this is semantically different from the 'authenticated' tag, which is more restrictive. |
| It is logically opposite to the 'guest' tag.</p> |
| </li> |
| <li> |
| <p><strong><shiro:principal/></strong><br> |
| Displays the user’s principal or a property of the user’s principal.</p> |
| </li> |
| <li> |
| <p><strong><shiro:hasPermission/></strong><br> |
| Displays body content only if the current Subject (user) 'has' (implies) the specified permission (i.e. the user has the specified ability).</p> |
| </li> |
| <li> |
| <p><strong><shiro:lacksPermission/></strong><br> |
| Displays body content only if the current Subject (user) does NOT have (not imply) the specified permission (i.e. the user lacks the specified ability).</p> |
| </li> |
| <li> |
| <p><strong><shiro:hasRole/></strong><br> |
| Displays body content only if the current user has the specified role.</p> |
| </li> |
| <li> |
| <p><strong><shiro:lacksRole/></strong><br> |
| Displays body content only if the current user does NOT have the specified role (i.e. they explicitly lack the specified role).</p> |
| </li> |
| <li> |
| <p><strong><shiro:hasAnyRoles/></strong><br> |
| Displays body content only if the current user has one of the specified roles from a comma-separated list of role names.</p> |
| </li> |
| <li> |
| <p><strong><shiro:authenticated/></strong><br> |
| Displays body content only if the current user has successfully authenticated <em>during their current session</em>. |
| It is more restrictive than the 'user' tag. |
| It is logically opposite to the 'notAuthenticated' tag.</p> |
| </li> |
| <li> |
| <p><strong><shiro:notAuthenticated/></strong><br> |
| Displays body content only if the current user has NOT successfully authenticated <em>during their current session</em>. |
| It is logically opposite to the 'authenticated' tag.</p> |
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