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| <h2 title="Interface PasswordProvider" class="title">Interface PasswordProvider</h2> |
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| <pre>public interface <span class="typeNameLabel">PasswordProvider</span></pre> |
| <div class="block"><p>A very basic API that will provide a password for a given user name. This is intended to be used with the SimpleSaslServerCallbackHandler to verify a user that is attempting to log in.</p></div> |
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| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a><char[]></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/security/auth/sasl/PasswordProvider.html#getPasswordFor-java.lang.String-">getPasswordFor</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</code> |
| <div class="block">Get an optional password for a user.</div> |
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| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/security/auth/sasl/PasswordProvider.html#isImpersonationAllowed--">isImpersonationAllowed</a></span>()</code> |
| <div class="block">Should impersonation be allowed by this password provider.</div> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>default <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/storm/security/auth/sasl/PasswordProvider.html#userName-java.lang.String-">userName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</code> |
| <div class="block">Convert the supplied user name to the actual user name that should be used in the system.</div> |
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| <h4>getPasswordFor</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a><char[]> getPasswordFor(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</pre> |
| <div class="block"><p>Get an optional password for a user. If no password for the user is found the option will be empty and another PasswordProvider would be tried.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>user</code> - the user this is for.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the password if it is found.</dd> |
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| <h4>isImpersonationAllowed</h4> |
| <pre>default boolean isImpersonationAllowed()</pre> |
| <div class="block"><p>Should impersonation be allowed by this password provider. The default is false.</p></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if it should else false.</dd> |
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| <h4>userName</h4> |
| <pre>default <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> userName(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</pre> |
| <div class="block"><p>Convert the supplied user name to the actual user name that should be used in the system. This may be called on any name. If it cannot be translated then a null may be returned or an exception thrown. If getPassword returns successfully this should not return null, nor throw an exception for the same user.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>user</code> - the SASL negotiated user name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the user name that storm should use.</dd> |
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