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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>Creating an Authorization Scheme</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1" /> <meta name="date" content="2009-04-14T16:11:31Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Creating an Authorization Scheme" /> <meta name="relnum" content="Release 3.2" /> <meta name="partnum" content="E11947-01" /> <link rel="copyright" href="dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="up" href="preface.htm" title="Home" type="text/html" /> <link rel="up" href="sec.htm" title="Managing Application Security" type="text/html" /> <link rel="up" href="sec_authorization.htm" title="Providing Security Through ..." type="text/html" /> <link rel="up" href="sec_author_create.htm" title="Creating an Authorization S..." type="text/html" /> <link rel="prev" href="sec_author_scheme.htm" title="Previous" type="text/html" /> <link rel="next" href="sec_author_attach.htm" title="Next" type="text/html" /> </head> <body> <p id="BREADCRUMBING"><a href="preface.htm" title="Home">Home</a> > <a href="sec.htm" title="Managing Application Security">Managing Application Security</a> > <a href="sec_authorization.htm" title="Providing Security Through ...">Providing Security Through ...</a> > Creating an Authorization S...</p> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="sec_author_scheme.htm"><img src="dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="sec_author_attach.htm"><img src="dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="BABCAHJE" name="BABCAHJE"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1><a name="HTMDB25783" id="HTMDB25783"></a>Creating an Authorization <a id="sthref2012" name="sthref2012"></a>Scheme</h1> <p>Before you can attach an authorization scheme to an application or an application component or control, you must first create it.</p> <p>To create an authorization scheme:</p> <ol> <li> <p>On the Workspace home page, click the <span class="bold">Application Builder</span> icon.</p> </li> <li> <p>Select an application.</p> </li> <li> <p>On the Application home page, click <span class="bold">Shared Components</span>.</p> <p>The Shared Components page appears.</p> </li> <li> <p>Under Security, select Authorization Schemes.</p> </li> <li> <p>Click <span class="bold">Create</span>.</p> </li> <li> <p>Specify how to create an authorization scheme by selecting one of the following:</p> <ul> <li> <p><span class="bold">From Scratch</span></p> </li> <li> <p><span class="bold">As a Copy of an Existing Authorization Scheme</span></p> </li> </ul> </li> <li> <p>Follow the on-screen instructions.</p> </li> </ol> <div align="center"> <div class="inftblnotealso"><br /> <table class="NoteAlso oac_no_warn" summary="" cellpadding="3" cellspacing="0"> <tbody> <tr> <td align="left"> <p class="notep1">See Also:</p> <a href="sec_author_attach.htm#BGBJGFDC">"Attaching an Authorization Scheme to an Application, Page, or Components"</a></td> </tr> </tbody> </table> <br /></div> <!-- class="inftblnotealso" --></div> <div class="sect3"><!-- infolevel="all" infotype="General" --><a id="sthref2013" name="sthref2013"></a> <h2><a name="HTMDB25784" id="HTMDB25784"></a>Editing Attributes of an Existing Authorization Scheme</h2> <p>To edit attributes of an existing authorization scheme:</p> <ol> <li> <p>On the Workspace home page, click the <span class="bold">Application Builder</span> icon.</p> </li> <li> <p>Select an application.</p> </li> <li> <p>On the Application home page, click <span class="bold">Shared Components</span>.</p> <p>The Shared Components page appears.</p> </li> <li> <p>Under Security, select Authorization Schemes.</p> <p>The Authorization Schemes page appears. By default, each scheme displays as an icon.</p> </li> <li> <p>To access a detail view of all schemes, select <span class="bold">Details</span> from the View list.</p> <p>The Authorization Schemes page appears. You can change the appearance of the page by making a selection from the View list. Available options include:</p> <ul> <li> <p><span class="bold">Icons</span> (the default) displays each authentication scheme as a large icon. To edit an authorization scheme, click the appropriate icon.</p> </li> <li> <p><span class="bold">Details</span> displays each application item as a line in a report. To edit an authorization scheme, select the scheme name.</p> </li> </ul> </li> </ol> </div> <!-- class="sect3" --> <div class="sect3"><!-- infolevel="all" infotype="General" --><a id="sthref2014" name="sthref2014"></a> <h2><a name="HTMDB25785" id="HTMDB25785"></a>About the Evaluation Point Attribute</h2> <p>You can specify when your authorization scheme is validated in the Evaluation Point attribute. You can choose to have your authorization scheme validated once for each session or once for each page view.</p> <p>Keep in mind, if you specify that an authorization scheme should be evaluated once for each session and the authorization scheme passes, the underlying code, test, or query will not be executed again for the duration of the application session. If your authorization scheme consists of a test whose results might change if evaluated at different times during the session, then you should specify that the evaluation point be once for each page view.</p> </div> <!-- class="sect3" --> <div class="sect3"><!-- infolevel="all" infotype="General" --><a id="sthref2015" name="sthref2015"></a> <h2><a name="HTMDB25786" id="HTMDB25786"></a>About Resetting Authorization Scheme State</h2> <p>If an authorization scheme is validated once for each session, Oracle Application Express caches the validation results in each user's session cache. You can reset a session's authorization scheme state by calling the <code>APEX_UTIL.RESET_AUTHORIZATIONS</code> API.</p> <p>Calling this procedure nulls out any previously cached authorization scheme results for the current session. Be aware that this procedure takes no arguments and is part of the publicly executable <code>APEX_UTIL</code> package.</p> <div align="center"> <div class="inftblnotealso"><br /> <table class="NoteAlso oac_no_warn" summary="" cellpadding="3" cellspacing="0"> <tbody> <tr> <td align="left"> <p class="notep1">See Also:</p> "RESET_AUTHORIZATIONS Procedure" in <a href="http://www.oracle.com/pls/db112/lookup?id=AEAPI170"><span class="italic">Oracle Application Express API Reference</span></a></td> </tr> </tbody> </table> <br /></div> <!-- class="inftblnotealso" --></div> </div> <!-- class="sect3" --></div> <!-- class="sect2" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2003, 2009, Oracle and/or its affiliates. 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