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| <div class="subTitle">org.apache.hadoop.security.authentication.util</div> |
| <h2 title="Class SignerSecretProvider" class="title">Class SignerSecretProvider</h2> |
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| <li>org.apache.hadoop.security.authentication.util.SignerSecretProvider</li> |
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| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/hadoop/security/authentication/util/FileSignerSecretProvider.html" title="class in org.apache.hadoop.security.authentication.util">FileSignerSecretProvider</a>, <a href="../../../../../../org/apache/hadoop/security/authentication/util/RolloverSignerSecretProvider.html" title="class in org.apache.hadoop.security.authentication.util">RolloverSignerSecretProvider</a></dd> |
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| <pre>@InterfaceStability.Unstable |
| @InterfaceAudience.Private |
| public abstract class <span class="typeNameLabel">SignerSecretProvider</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">The SignerSecretProvider is an abstract way to provide a secret to be used |
| by the Signer so that we can have different implementations that potentially |
| do more complicated things in the backend. |
| See the RolloverSignerSecretProvider class for an implementation that |
| supports rolling over the secret at a regular interval.</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/security/authentication/util/SignerSecretProvider.html#SignerSecretProvider--">SignerSecretProvider</a></span>()</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/security/authentication/util/SignerSecretProvider.html#destroy--">destroy</a></span>()</code> |
| <div class="block">Will be called on shutdown; subclasses should perform any cleanup here.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>abstract byte[][]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/security/authentication/util/SignerSecretProvider.html#getAllSecrets--">getAllSecrets</a></span>()</code> |
| <div class="block">Returns all secrets that a cookie could have been signed with and are still |
| valid; this should include the secret returned by getCurrentSecret().</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>abstract byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/security/authentication/util/SignerSecretProvider.html#getCurrentSecret--">getCurrentSecret</a></span>()</code> |
| <div class="block">Returns the current secret to be used by the Signer for signing new |
| cookies.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>abstract void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/security/authentication/util/SignerSecretProvider.html#init-java.util.Properties-javax.servlet.ServletContext-long-">init</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a> config, |
| javax.servlet.ServletContext servletContext, |
| long tokenValidity)</code> |
| <div class="block">Initialize the SignerSecretProvider</div> |
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| <a name="SignerSecretProvider--"> |
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| <h4>SignerSecretProvider</h4> |
| <pre>public SignerSecretProvider()</pre> |
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| <h4>init</h4> |
| <pre>public abstract void init(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a> config, |
| javax.servlet.ServletContext servletContext, |
| long tokenValidity) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <div class="block">Initialize the SignerSecretProvider</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>config</code> - configuration properties</dd> |
| <dd><code>servletContext</code> - servlet context</dd> |
| <dd><code>tokenValidity</code> - The amount of time a token is valid for</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - thrown if an error occurred</dd> |
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| <h4>destroy</h4> |
| <pre>public void destroy()</pre> |
| <div class="block">Will be called on shutdown; subclasses should perform any cleanup here.</div> |
| </li> |
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| <a name="getCurrentSecret--"> |
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| <h4>getCurrentSecret</h4> |
| <pre>public abstract byte[] getCurrentSecret()</pre> |
| <div class="block">Returns the current secret to be used by the Signer for signing new |
| cookies. This should never return null. |
| <p> |
| Callers should be careful not to modify the returned value.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the current secret</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getAllSecrets--"> |
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| <h4>getAllSecrets</h4> |
| <pre>public abstract byte[][] getAllSecrets()</pre> |
| <div class="block">Returns all secrets that a cookie could have been signed with and are still |
| valid; this should include the secret returned by getCurrentSecret(). |
| <p> |
| Callers should be careful not to modify the returned value.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the secrets</dd> |
| </dl> |
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