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From git-site-r...@apache.org
Subject [07/51] [partial] hbase-site git commit: Published site at .
Date Thu, 05 Oct 2017 15:13:29 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b838bdf0/devapidocs/src-html/org/apache/hadoop/hbase/security/token/TokenProvider.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/security/token/TokenProvider.html
b/devapidocs/src-html/org/apache/hadoop/hbase/security/token/TokenProvider.html
index 506695f..7f0026f 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/security/token/TokenProvider.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/security/token/TokenProvider.html
@@ -23,144 +23,137 @@
 <span class="sourceLineNo">015</span> * See the License for the specific language
governing permissions and<a name="line.15"></a>
 <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
 <span class="sourceLineNo">017</span> */<a name="line.17"></a>
-<span class="sourceLineNo">018</span><a name="line.18"></a>
-<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.security.token;<a
name="line.19"></a>
-<span class="sourceLineNo">020</span><a name="line.20"></a>
-<span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.util.Collections;<a name="line.22"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.security.token;<a
name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import com.google.protobuf.RpcCallback;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import com.google.protobuf.RpcController;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span>import com.google.protobuf.Service;<a
name="line.22"></a>
 <span class="sourceLineNo">023</span><a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.commons.logging.Log;<a
name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.commons.logging.LogFactory;<a
name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.CoprocessorEnvironment;<a
name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a
name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a
name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a
name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a
name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.ipc.RpcServerInterface;<a
name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.protobuf.generated.AuthenticationProtos;<a
name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a
name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.security.AccessDeniedException;<a
name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.security.User;<a
name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.security.UserGroupInformation;<a
name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;<a
name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.security.token.SecretManager;<a
name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.security.token.Token;<a
name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>import com.google.protobuf.RpcCallback;<a
name="line.41"></a>
-<span class="sourceLineNo">042</span>import com.google.protobuf.RpcController;<a
name="line.42"></a>
-<span class="sourceLineNo">043</span>import com.google.protobuf.Service;<a
name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.yetus.audience.InterfaceAudience;<a
name="line.44"></a>
-<span class="sourceLineNo">045</span><a name="line.45"></a>
-<span class="sourceLineNo">046</span>/**<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * Provides a service for obtaining authentication
tokens via the<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * {@link AuthenticationProtos} AuthenticationService
coprocessor service.<a name="line.48"></a>
-<span class="sourceLineNo">049</span> */<a name="line.49"></a>
-<span class="sourceLineNo">050</span>@InterfaceAudience.Private<a name="line.50"></a>
-<span class="sourceLineNo">051</span>public class TokenProvider implements AuthenticationProtos.AuthenticationService.Interface,<a
name="line.51"></a>
-<span class="sourceLineNo">052</span>    RegionCoprocessor {<a name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span>  private static final Log LOG = LogFactory.getLog(TokenProvider.class);<a
name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>  private AuthenticationTokenSecretManager
secretManager;<a name="line.56"></a>
+<span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.Collections;<a name="line.25"></a>
+<span class="sourceLineNo">026</span><a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.commons.logging.Log;<a
name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.commons.logging.LogFactory;<a
name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.CoprocessorEnvironment;<a
name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a
name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a
name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a
name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a
name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ipc.RpcServerInterface;<a
name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.protobuf.generated.AuthenticationProtos;<a
name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a
name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.security.AccessDeniedException;<a
name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.security.User;<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.security.UserGroupInformation;<a
name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;<a
name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.security.token.SecretManager;<a
name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.security.token.Token;<a
name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.yetus.audience.InterfaceAudience;<a
name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>/**<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Provides a service for obtaining authentication
tokens via the<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * {@link AuthenticationProtos} AuthenticationService
coprocessor service.<a name="line.47"></a>
+<span class="sourceLineNo">048</span> */<a name="line.48"></a>
+<span class="sourceLineNo">049</span>@InterfaceAudience.Private<a name="line.49"></a>
+<span class="sourceLineNo">050</span>public class TokenProvider implements AuthenticationProtos.AuthenticationService.Interface,<a
name="line.50"></a>
+<span class="sourceLineNo">051</span>    RegionCoprocessor {<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>  private static final Log LOG = LogFactory.getLog(TokenProvider.class);<a
name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>  private AuthenticationTokenSecretManager
secretManager;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
 <span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>  @Override<a name="line.59"></a>
-<span class="sourceLineNo">060</span>  public void start(CoprocessorEnvironment
env) {<a name="line.60"></a>
-<span class="sourceLineNo">061</span>    // if running at region<a name="line.61"></a>
-<span class="sourceLineNo">062</span>    if (env instanceof RegionCoprocessorEnvironment)
{<a name="line.62"></a>
-<span class="sourceLineNo">063</span>      RegionCoprocessorEnvironment regionEnv
=<a name="line.63"></a>
-<span class="sourceLineNo">064</span>          (RegionCoprocessorEnvironment)env;<a
name="line.64"></a>
-<span class="sourceLineNo">065</span>      assert regionEnv.getCoprocessorRegionServerServices()
instanceof RegionServerServices;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>      RpcServerInterface server = ((RegionServerServices)
regionEnv<a name="line.66"></a>
-<span class="sourceLineNo">067</span>          .getCoprocessorRegionServerServices()).getRpcServer();<a
name="line.67"></a>
-<span class="sourceLineNo">068</span>      SecretManager&lt;?&gt; mgr
= ((RpcServer)server).getSecretManager();<a name="line.68"></a>
-<span class="sourceLineNo">069</span>      if (mgr instanceof AuthenticationTokenSecretManager)
{<a name="line.69"></a>
-<span class="sourceLineNo">070</span>        secretManager = (AuthenticationTokenSecretManager)mgr;<a
name="line.70"></a>
-<span class="sourceLineNo">071</span>      }<a name="line.71"></a>
-<span class="sourceLineNo">072</span>    }<a name="line.72"></a>
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-<span class="sourceLineNo">074</span><a name="line.74"></a>
-<span class="sourceLineNo">075</span>  @Override<a name="line.75"></a>
-<span class="sourceLineNo">076</span>  public void stop(CoprocessorEnvironment
env) throws IOException {<a name="line.76"></a>
-<span class="sourceLineNo">077</span>  }<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span>  /**<a name="line.79"></a>
-<span class="sourceLineNo">080</span>   * @param ugi A user group information.<a
name="line.80"></a>
-<span class="sourceLineNo">081</span>   * @return true if delegation token operation
is allowed<a name="line.81"></a>
-<span class="sourceLineNo">082</span>   */<a name="line.82"></a>
-<span class="sourceLineNo">083</span>  private boolean isAllowedDelegationTokenOp(UserGroupInformation
ugi) throws IOException {<a name="line.83"></a>
-<span class="sourceLineNo">084</span>    AuthenticationMethod authMethod = ugi.getAuthenticationMethod();<a
name="line.84"></a>
-<span class="sourceLineNo">085</span>    if (authMethod == AuthenticationMethod.PROXY)
{<a name="line.85"></a>
-<span class="sourceLineNo">086</span>      authMethod = ugi.getRealUser().getAuthenticationMethod();<a
name="line.86"></a>
-<span class="sourceLineNo">087</span>    }<a name="line.87"></a>
-<span class="sourceLineNo">088</span>    if (authMethod != AuthenticationMethod.KERBEROS<a
name="line.88"></a>
-<span class="sourceLineNo">089</span>        &amp;&amp; authMethod !=
AuthenticationMethod.KERBEROS_SSL<a name="line.89"></a>
-<span class="sourceLineNo">090</span>        &amp;&amp; authMethod !=
AuthenticationMethod.CERTIFICATE) {<a name="line.90"></a>
-<span class="sourceLineNo">091</span>      return false;<a name="line.91"></a>
-<span class="sourceLineNo">092</span>    }<a name="line.92"></a>
-<span class="sourceLineNo">093</span>    return true;<a name="line.93"></a>
-<span class="sourceLineNo">094</span>  }<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span>  // AuthenticationService implementation<a
name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span>  @Override<a name="line.98"></a>
-<span class="sourceLineNo">099</span>  public Iterable&lt;Service&gt;
getServices() {<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    return Collections.singleton(<a name="line.100"></a>
-<span class="sourceLineNo">101</span>        AuthenticationProtos.AuthenticationService.newReflectiveService(this));<a
name="line.101"></a>
-<span class="sourceLineNo">102</span>  }<a name="line.102"></a>
-<span class="sourceLineNo">103</span><a name="line.103"></a>
-<span class="sourceLineNo">104</span>  @Override<a name="line.104"></a>
-<span class="sourceLineNo">105</span>  public void getAuthenticationToken(RpcController
controller,<a name="line.105"></a>
-<span class="sourceLineNo">106</span>                                     AuthenticationProtos.GetAuthenticationTokenRequest
request,<a name="line.106"></a>
-<span class="sourceLineNo">107</span>                                     RpcCallback&lt;AuthenticationProtos.GetAuthenticationTokenResponse&gt;
done) {<a name="line.107"></a>
-<span class="sourceLineNo">108</span>    AuthenticationProtos.GetAuthenticationTokenResponse.Builder
response =<a name="line.108"></a>
-<span class="sourceLineNo">109</span>        AuthenticationProtos.GetAuthenticationTokenResponse.newBuilder();<a
name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span>    try {<a name="line.111"></a>
-<span class="sourceLineNo">112</span>      if (secretManager == null) {<a
name="line.112"></a>
-<span class="sourceLineNo">113</span>        throw new IOException(<a name="line.113"></a>
-<span class="sourceLineNo">114</span>            "No secret manager configured
for token authentication");<a name="line.114"></a>
-<span class="sourceLineNo">115</span>      }<a name="line.115"></a>
-<span class="sourceLineNo">116</span><a name="line.116"></a>
-<span class="sourceLineNo">117</span>      User currentUser = RpcServer.getRequestUser();<a
name="line.117"></a>
-<span class="sourceLineNo">118</span>      UserGroupInformation ugi = null;<a
name="line.118"></a>
-<span class="sourceLineNo">119</span>      if (currentUser != null) {<a name="line.119"></a>
-<span class="sourceLineNo">120</span>        ugi = currentUser.getUGI();<a
name="line.120"></a>
-<span class="sourceLineNo">121</span>      }<a name="line.121"></a>
-<span class="sourceLineNo">122</span>      if (currentUser == null) {<a name="line.122"></a>
-<span class="sourceLineNo">123</span>        throw new AccessDeniedException("No
authenticated user for request!");<a name="line.123"></a>
-<span class="sourceLineNo">124</span>      } else if (!isAllowedDelegationTokenOp(ugi))
{<a name="line.124"></a>
-<span class="sourceLineNo">125</span>        LOG.warn("Token generation denied
for user="+currentUser.getName()<a name="line.125"></a>
-<span class="sourceLineNo">126</span>            +", authMethod="+ugi.getAuthenticationMethod());<a
name="line.126"></a>
-<span class="sourceLineNo">127</span>        throw new AccessDeniedException(<a
name="line.127"></a>
-<span class="sourceLineNo">128</span>            "Token generation only allowed
for Kerberos authenticated clients");<a name="line.128"></a>
-<span class="sourceLineNo">129</span>      }<a name="line.129"></a>
-<span class="sourceLineNo">130</span><a name="line.130"></a>
-<span class="sourceLineNo">131</span>      Token&lt;AuthenticationTokenIdentifier&gt;
token =<a name="line.131"></a>
-<span class="sourceLineNo">132</span>          secretManager.generateToken(currentUser.getName());<a
name="line.132"></a>
-<span class="sourceLineNo">133</span>      response.setToken(TokenUtil.toToken(token)).build();<a
name="line.133"></a>
-<span class="sourceLineNo">134</span>    } catch (IOException ioe) {<a name="line.134"></a>
-<span class="sourceLineNo">135</span>      CoprocessorRpcUtils.setControllerException(controller,
ioe);<a name="line.135"></a>
-<span class="sourceLineNo">136</span>    }<a name="line.136"></a>
-<span class="sourceLineNo">137</span>    done.run(response.build());<a name="line.137"></a>
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-<span class="sourceLineNo">139</span><a name="line.139"></a>
-<span class="sourceLineNo">140</span>  @Override<a name="line.140"></a>
-<span class="sourceLineNo">141</span>  public void whoAmI(RpcController controller,
AuthenticationProtos.WhoAmIRequest request,<a name="line.141"></a>
-<span class="sourceLineNo">142</span>                     RpcCallback&lt;AuthenticationProtos.WhoAmIResponse&gt;
done) {<a name="line.142"></a>
-<span class="sourceLineNo">143</span>    User requestUser = RpcServer.getRequestUser();<a
name="line.143"></a>
-<span class="sourceLineNo">144</span>    AuthenticationProtos.WhoAmIResponse.Builder
response =<a name="line.144"></a>
-<span class="sourceLineNo">145</span>        AuthenticationProtos.WhoAmIResponse.newBuilder();<a
name="line.145"></a>
-<span class="sourceLineNo">146</span>    if (requestUser != null) {<a name="line.146"></a>
-<span class="sourceLineNo">147</span>      response.setUsername(requestUser.getShortName());<a
name="line.147"></a>
-<span class="sourceLineNo">148</span>      AuthenticationMethod method = requestUser.getUGI().getAuthenticationMethod();<a
name="line.148"></a>
-<span class="sourceLineNo">149</span>      if (method != null) {<a name="line.149"></a>
-<span class="sourceLineNo">150</span>        response.setAuthMethod(method.name());<a
name="line.150"></a>
-<span class="sourceLineNo">151</span>      }<a name="line.151"></a>
-<span class="sourceLineNo">152</span>    }<a name="line.152"></a>
-<span class="sourceLineNo">153</span>    done.run(response.build());<a name="line.153"></a>
-<span class="sourceLineNo">154</span>  }<a name="line.154"></a>
-<span class="sourceLineNo">155</span>}<a name="line.155"></a>
+<span class="sourceLineNo">058</span>  @Override<a name="line.58"></a>
+<span class="sourceLineNo">059</span>  public void start(CoprocessorEnvironment
env) {<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    // if running at region<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    if (env instanceof RegionCoprocessorEnvironment)
{<a name="line.61"></a>
+<span class="sourceLineNo">062</span>      RegionCoprocessorEnvironment regionEnv
=<a name="line.62"></a>
+<span class="sourceLineNo">063</span>          (RegionCoprocessorEnvironment)env;<a
name="line.63"></a>
+<span class="sourceLineNo">064</span>      assert regionEnv.getCoprocessorRegionServerServices()
instanceof RegionServerServices;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>      RpcServerInterface server = ((RegionServerServices)
regionEnv<a name="line.65"></a>
+<span class="sourceLineNo">066</span>          .getCoprocessorRegionServerServices()).getRpcServer();<a
name="line.66"></a>
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= ((RpcServer)server).getSecretManager();<a name="line.67"></a>
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{<a name="line.68"></a>
+<span class="sourceLineNo">069</span>        secretManager = (AuthenticationTokenSecretManager)mgr;<a
name="line.69"></a>
+<span class="sourceLineNo">070</span>      }<a name="line.70"></a>
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+<span class="sourceLineNo">074</span>  @Override<a name="line.74"></a>
+<span class="sourceLineNo">075</span>  public void stop(CoprocessorEnvironment
env) throws IOException {<a name="line.75"></a>
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+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span>  /**<a name="line.78"></a>
+<span class="sourceLineNo">079</span>   * @param ugi A user group information.<a
name="line.79"></a>
+<span class="sourceLineNo">080</span>   * @return true if delegation token operation
is allowed<a name="line.80"></a>
+<span class="sourceLineNo">081</span>   */<a name="line.81"></a>
+<span class="sourceLineNo">082</span>  private boolean isAllowedDelegationTokenOp(UserGroupInformation
ugi) throws IOException {<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    AuthenticationMethod authMethod = ugi.getAuthenticationMethod();<a
name="line.83"></a>
+<span class="sourceLineNo">084</span>    if (authMethod == AuthenticationMethod.PROXY)
{<a name="line.84"></a>
+<span class="sourceLineNo">085</span>      authMethod = ugi.getRealUser().getAuthenticationMethod();<a
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+<span class="sourceLineNo">086</span>    }<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    if (authMethod != AuthenticationMethod.KERBEROS<a
name="line.87"></a>
+<span class="sourceLineNo">088</span>        &amp;&amp; authMethod !=
AuthenticationMethod.KERBEROS_SSL<a name="line.88"></a>
+<span class="sourceLineNo">089</span>        &amp;&amp; authMethod !=
AuthenticationMethod.CERTIFICATE) {<a name="line.89"></a>
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+<span class="sourceLineNo">091</span>    }<a name="line.91"></a>
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+<span class="sourceLineNo">093</span>  }<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span>  // AuthenticationService implementation<a
name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span>  @Override<a name="line.97"></a>
+<span class="sourceLineNo">098</span>  public Iterable&lt;Service&gt;
getServices() {<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    return Collections.singleton(<a name="line.99"></a>
+<span class="sourceLineNo">100</span>        AuthenticationProtos.AuthenticationService.newReflectiveService(this));<a
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+<span class="sourceLineNo">101</span>  }<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span>  @Override<a name="line.103"></a>
+<span class="sourceLineNo">104</span>  public void getAuthenticationToken(RpcController
controller,<a name="line.104"></a>
+<span class="sourceLineNo">105</span>                                     AuthenticationProtos.GetAuthenticationTokenRequest
request,<a name="line.105"></a>
+<span class="sourceLineNo">106</span>                                     RpcCallback&lt;AuthenticationProtos.GetAuthenticationTokenResponse&gt;
done) {<a name="line.106"></a>
+<span class="sourceLineNo">107</span>    AuthenticationProtos.GetAuthenticationTokenResponse.Builder
response =<a name="line.107"></a>
+<span class="sourceLineNo">108</span>        AuthenticationProtos.GetAuthenticationTokenResponse.newBuilder();<a
name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span>    try {<a name="line.110"></a>
+<span class="sourceLineNo">111</span>      if (secretManager == null) {<a
name="line.111"></a>
+<span class="sourceLineNo">112</span>        throw new IOException(<a name="line.112"></a>
+<span class="sourceLineNo">113</span>            "No secret manager configured
for token authentication");<a name="line.113"></a>
+<span class="sourceLineNo">114</span>      }<a name="line.114"></a>
+<span class="sourceLineNo">115</span>      User currentUser = RpcServer.getRequestUser()<a
name="line.115"></a>
+<span class="sourceLineNo">116</span>          .orElseThrow(() -&gt; new
AccessDeniedException("No authenticated user for request!"));<a name="line.116"></a>
+<span class="sourceLineNo">117</span>      UserGroupInformation ugi = currentUser.getUGI();<a
name="line.117"></a>
+<span class="sourceLineNo">118</span>      if (!isAllowedDelegationTokenOp(ugi))
{<a name="line.118"></a>
+<span class="sourceLineNo">119</span>        LOG.warn("Token generation denied
for user=" + currentUser.getName() + ", authMethod=" +<a name="line.119"></a>
+<span class="sourceLineNo">120</span>            ugi.getAuthenticationMethod());<a
name="line.120"></a>
+<span class="sourceLineNo">121</span>        throw new AccessDeniedException(<a
name="line.121"></a>
+<span class="sourceLineNo">122</span>            "Token generation only allowed
for Kerberos authenticated clients");<a name="line.122"></a>
+<span class="sourceLineNo">123</span>      }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>      Token&lt;AuthenticationTokenIdentifier&gt;
token =<a name="line.125"></a>
+<span class="sourceLineNo">126</span>          secretManager.generateToken(currentUser.getName());<a
name="line.126"></a>
+<span class="sourceLineNo">127</span>      response.setToken(TokenUtil.toToken(token)).build();<a
name="line.127"></a>
+<span class="sourceLineNo">128</span>    } catch (IOException ioe) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span>      CoprocessorRpcUtils.setControllerException(controller,
ioe);<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    }<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    done.run(response.build());<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  }<a name="line.132"></a>
+<span class="sourceLineNo">133</span><a name="line.133"></a>
+<span class="sourceLineNo">134</span>  @Override<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  public void whoAmI(RpcController controller,
AuthenticationProtos.WhoAmIRequest request,<a name="line.135"></a>
+<span class="sourceLineNo">136</span>      RpcCallback&lt;AuthenticationProtos.WhoAmIResponse&gt;
done) {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    AuthenticationProtos.WhoAmIResponse.Builder
response =<a name="line.137"></a>
+<span class="sourceLineNo">138</span>        AuthenticationProtos.WhoAmIResponse.newBuilder();<a
name="line.138"></a>
+<span class="sourceLineNo">139</span>    RpcServer.getRequestUser().ifPresent(requestUser
-&gt; {<a name="line.139"></a>
+<span class="sourceLineNo">140</span>      response.setUsername(requestUser.getShortName());<a
name="line.140"></a>
+<span class="sourceLineNo">141</span>      AuthenticationMethod method = requestUser.getUGI().getAuthenticationMethod();<a
name="line.141"></a>
+<span class="sourceLineNo">142</span>      if (method != null) {<a name="line.142"></a>
+<span class="sourceLineNo">143</span>        response.setAuthMethod(method.name());<a
name="line.143"></a>
+<span class="sourceLineNo">144</span>      }<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    });<a name="line.145"></a>
+<span class="sourceLineNo">146</span>    done.run(response.build());<a name="line.146"></a>
+<span class="sourceLineNo">147</span>  }<a name="line.147"></a>
+<span class="sourceLineNo">148</span>}<a name="line.148"></a>
 
 
 


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