http://git-wip-us.apache.org/repos/asf/hbase-site/blob/78d8c5d7/devapidocs/src-html/org/apache/hadoop/hbase/thrift/ThriftHttpServlet.RemoteUserIdentity.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/thrift/ThriftHttpServlet.RemoteUserIdentity.html
b/devapidocs/src-html/org/apache/hadoop/hbase/thrift/ThriftHttpServlet.RemoteUserIdentity.html
index b479b6b..c5277a9 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/thrift/ThriftHttpServlet.RemoteUserIdentity.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/thrift/ThriftHttpServlet.RemoteUserIdentity.html
@@ -6,7 +6,7 @@
</head>
<body>
<div class="sourceContainer">
-<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software
Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license
agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for
additional information<a name="line.4"></a>
@@ -26,224 +26,252 @@
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.thrift;<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.security.PrivilegedExceptionAction;<a name="line.22"></a>
+<span class="sourceLineNo">021</span>import static
org.apache.hadoop.hbase.thrift.ThriftServerRunner.THRIFT_SPNEGO_KEYTAB_FILE_KEY;<a
name="line.21"></a>
+<span class="sourceLineNo">022</span>import static
org.apache.hadoop.hbase.thrift.ThriftServerRunner.THRIFT_SPNEGO_PRINCIPAL_KEY;<a
name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
-<span class="sourceLineNo">024</span>import javax.servlet.ServletException;<a
name="line.24"></a>
-<span class="sourceLineNo">025</span>import
javax.servlet.http.HttpServletRequest;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import
javax.servlet.http.HttpServletResponse;<a name="line.26"></a>
-<span class="sourceLineNo">027</span><a name="line.27"></a>
-<span class="sourceLineNo">028</span>import
org.apache.hadoop.conf.Configuration;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import
org.apache.hadoop.hbase.security.SecurityUtil;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import
org.apache.hadoop.hbase.util.Base64;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import
org.apache.hadoop.security.UserGroupInformation;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import
org.apache.hadoop.security.authorize.AuthorizationException;<a
name="line.32"></a>
-<span class="sourceLineNo">033</span>import
org.apache.hadoop.security.authorize.ProxyUsers;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.thrift.TProcessor;<a
name="line.34"></a>
-<span class="sourceLineNo">035</span>import
org.apache.thrift.protocol.TProtocolFactory;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import
org.apache.thrift.server.TServlet;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import
org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.ietf.jgss.GSSContext;<a
name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.ietf.jgss.GSSCredential;<a
name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.ietf.jgss.GSSException;<a
name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.ietf.jgss.GSSManager;<a
name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.ietf.jgss.GSSName;<a
name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.ietf.jgss.Oid;<a
name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.slf4j.Logger;<a
name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.slf4j.LoggerFactory;<a
name="line.45"></a>
-<span class="sourceLineNo">046</span><a name="line.46"></a>
-<span class="sourceLineNo">047</span>/**<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * Thrift Http Servlet is used for
performing Kerberos authentication if security is enabled and<a
name="line.48"></a>
-<span class="sourceLineNo">049</span> * also used for setting the user
specified in "doAs" parameter.<a name="line.49"></a>
-<span class="sourceLineNo">050</span> */<a name="line.50"></a>
-<span class="sourceLineNo">051</span>@InterfaceAudience.Private<a
name="line.51"></a>
-<span class="sourceLineNo">052</span>public class ThriftHttpServlet extends
TServlet {<a name="line.52"></a>
-<span class="sourceLineNo">053</span> private static final long
serialVersionUID = 1L;<a name="line.53"></a>
-<span class="sourceLineNo">054</span> private static final Logger LOG =
LoggerFactory.getLogger(ThriftHttpServlet.class.getName());<a
name="line.54"></a>
-<span class="sourceLineNo">055</span> private transient final
UserGroupInformation realUser;<a name="line.55"></a>
-<span class="sourceLineNo">056</span> private transient final Configuration
conf;<a name="line.56"></a>
-<span class="sourceLineNo">057</span> private final boolean
securityEnabled;<a name="line.57"></a>
-<span class="sourceLineNo">058</span> private final boolean doAsEnabled;<a
name="line.58"></a>
-<span class="sourceLineNo">059</span> private transient
ThriftServerRunner.HBaseHandler hbaseHandler;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span> // HTTP Header related constants.<a
name="line.61"></a>
-<span class="sourceLineNo">062</span> public static final String
WWW_AUTHENTICATE = "WWW-Authenticate";<a name="line.62"></a>
-<span class="sourceLineNo">063</span> public static final String
AUTHORIZATION = "Authorization";<a name="line.63"></a>
-<span class="sourceLineNo">064</span> public static final String NEGOTIATE =
"Negotiate";<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span> public ThriftHttpServlet(TProcessor
processor, TProtocolFactory protocolFactory,<a name="line.66"></a>
-<span class="sourceLineNo">067</span> UserGroupInformation realUser,
Configuration conf, ThriftServerRunner.HBaseHandler<a name="line.67"></a>
-<span class="sourceLineNo">068</span> hbaseHandler, boolean
securityEnabled, boolean doAsEnabled) {<a name="line.68"></a>
-<span class="sourceLineNo">069</span> super(processor, protocolFactory);<a
name="line.69"></a>
-<span class="sourceLineNo">070</span> this.realUser = realUser;<a
name="line.70"></a>
-<span class="sourceLineNo">071</span> this.conf = conf;<a
name="line.71"></a>
-<span class="sourceLineNo">072</span> this.hbaseHandler = hbaseHandler;<a
name="line.72"></a>
-<span class="sourceLineNo">073</span> this.securityEnabled =
securityEnabled;<a name="line.73"></a>
-<span class="sourceLineNo">074</span> this.doAsEnabled = doAsEnabled;<a
name="line.74"></a>
-<span class="sourceLineNo">075</span> }<a name="line.75"></a>
-<span class="sourceLineNo">076</span><a name="line.76"></a>
-<span class="sourceLineNo">077</span> @Override<a name="line.77"></a>
-<span class="sourceLineNo">078</span> protected void
doPost(HttpServletRequest request, HttpServletResponse response)<a
name="line.78"></a>
-<span class="sourceLineNo">079</span> throws ServletException,
IOException {<a name="line.79"></a>
-<span class="sourceLineNo">080</span> String effectiveUser =
request.getRemoteUser();<a name="line.80"></a>
-<span class="sourceLineNo">081</span> if (securityEnabled) {<a
name="line.81"></a>
-<span class="sourceLineNo">082</span> try {<a name="line.82"></a>
-<span class="sourceLineNo">083</span> // As Thrift HTTP transport
doesn't support SPNEGO yet (THRIFT-889),<a name="line.83"></a>
-<span class="sourceLineNo">084</span> // Kerberos authentication is
being done at servlet level.<a name="line.84"></a>
-<span class="sourceLineNo">085</span> final RemoteUserIdentity identity
= doKerberosAuth(request);<a name="line.85"></a>
-<span class="sourceLineNo">086</span> effectiveUser =
identity.principal;<a name="line.86"></a>
-<span class="sourceLineNo">087</span> // It is standard for client
applications expect this header.<a name="line.87"></a>
-<span class="sourceLineNo">088</span> // Please see
http://tools.ietf.org/html/rfc4559 for more details.<a name="line.88"></a>
-<span class="sourceLineNo">089</span>
response.addHeader(WWW_AUTHENTICATE, NEGOTIATE + " " + identity.outToken);<a
name="line.89"></a>
-<span class="sourceLineNo">090</span> } catch
(HttpAuthenticationException e) {<a name="line.90"></a>
-<span class="sourceLineNo">091</span> LOG.error("Kerberos
Authentication failed", e);<a name="line.91"></a>
-<span class="sourceLineNo">092</span> // Send a 401 to the client<a
name="line.92"></a>
-<span class="sourceLineNo">093</span>
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);<a name="line.93"></a>
-<span class="sourceLineNo">094</span>
response.addHeader(WWW_AUTHENTICATE, NEGOTIATE);<a name="line.94"></a>
-<span class="sourceLineNo">095</span>
response.getWriter().println("Authentication Error: " + e.getMessage());<a
name="line.95"></a>
-<span class="sourceLineNo">096</span> return;<a name="line.96"></a>
-<span class="sourceLineNo">097</span> }<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span> String doAsUserFromQuery =
request.getHeader("doAs");<a name="line.99"></a>
-<span class="sourceLineNo">100</span> if(effectiveUser == null) {<a
name="line.100"></a>
-<span class="sourceLineNo">101</span> effectiveUser =
realUser.getShortUserName();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span> if (doAsUserFromQuery != null) {<a
name="line.103"></a>
-<span class="sourceLineNo">104</span> if (!doAsEnabled) {<a
name="line.104"></a>
-<span class="sourceLineNo">105</span> throw new
ServletException("Support for proxyuser is not configured");<a
name="line.105"></a>
+<span class="sourceLineNo">024</span>import java.io.IOException;<a
name="line.24"></a>
+<span class="sourceLineNo">025</span>import
java.security.PrivilegedExceptionAction;<a name="line.25"></a>
+<span class="sourceLineNo">026</span><a name="line.26"></a>
+<span class="sourceLineNo">027</span>import javax.servlet.ServletException;<a
name="line.27"></a>
+<span class="sourceLineNo">028</span>import
javax.servlet.http.HttpServletRequest;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import
javax.servlet.http.HttpServletResponse;<a name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span>import
org.apache.hadoop.conf.Configuration;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import
org.apache.hadoop.hbase.security.SecurityUtil;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import
org.apache.hadoop.hbase.util.Base64;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import
org.apache.hadoop.security.UserGroupInformation;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import
org.apache.hadoop.security.authorize.AuthorizationException;<a
name="line.35"></a>
+<span class="sourceLineNo">036</span>import
org.apache.hadoop.security.authorize.ProxyUsers;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.http.HttpHeaders;<a
name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.thrift.TProcessor;<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>import
org.apache.thrift.protocol.TProtocolFactory;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import
org.apache.thrift.server.TServlet;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import
org.apache.yetus.audience.InterfaceAudience;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.ietf.jgss.GSSContext;<a
name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.ietf.jgss.GSSCredential;<a
name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.ietf.jgss.GSSException;<a
name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.ietf.jgss.GSSManager;<a
name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.ietf.jgss.GSSName;<a
name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.ietf.jgss.Oid;<a
name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.slf4j.Logger;<a
name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.slf4j.LoggerFactory;<a
name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>/**<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * Thrift Http Servlet is used for
performing Kerberos authentication if security is enabled and<a
name="line.52"></a>
+<span class="sourceLineNo">053</span> * also used for setting the user
specified in "doAs" parameter.<a name="line.53"></a>
+<span class="sourceLineNo">054</span> */<a name="line.54"></a>
+<span class="sourceLineNo">055</span>@InterfaceAudience.Private<a
name="line.55"></a>
+<span class="sourceLineNo">056</span>public class ThriftHttpServlet extends
TServlet {<a name="line.56"></a>
+<span class="sourceLineNo">057</span> private static final long
serialVersionUID = 1L;<a name="line.57"></a>
+<span class="sourceLineNo">058</span> private static final Logger LOG =
LoggerFactory.getLogger(ThriftHttpServlet.class.getName());<a
name="line.58"></a>
+<span class="sourceLineNo">059</span> private final transient
UserGroupInformation serviceUGI;<a name="line.59"></a>
+<span class="sourceLineNo">060</span> private final transient
UserGroupInformation httpUGI;<a name="line.60"></a>
+<span class="sourceLineNo">061</span> private final transient
ThriftServerRunner.HBaseHandler hbaseHandler;<a name="line.61"></a>
+<span class="sourceLineNo">062</span> private final boolean doAsEnabled;<a
name="line.62"></a>
+<span class="sourceLineNo">063</span> private final boolean
securityEnabled;<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> // HTTP Header related constants.<a
name="line.65"></a>
+<span class="sourceLineNo">066</span> public static final String NEGOTIATE =
"Negotiate";<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span> public ThriftHttpServlet(TProcessor
processor, TProtocolFactory protocolFactory,<a name="line.68"></a>
+<span class="sourceLineNo">069</span> UserGroupInformation serviceUGI,
Configuration conf,<a name="line.69"></a>
+<span class="sourceLineNo">070</span> ThriftServerRunner.HBaseHandler
hbaseHandler, boolean securityEnabled, boolean doAsEnabled)<a
name="line.70"></a>
+<span class="sourceLineNo">071</span> throws IOException {<a
name="line.71"></a>
+<span class="sourceLineNo">072</span> super(processor, protocolFactory);<a
name="line.72"></a>
+<span class="sourceLineNo">073</span> this.serviceUGI = serviceUGI;<a
name="line.73"></a>
+<span class="sourceLineNo">074</span> this.hbaseHandler = hbaseHandler;<a
name="line.74"></a>
+<span class="sourceLineNo">075</span> this.securityEnabled =
securityEnabled;<a name="line.75"></a>
+<span class="sourceLineNo">076</span> this.doAsEnabled = doAsEnabled;<a
name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span> if (securityEnabled) {<a
name="line.78"></a>
+<span class="sourceLineNo">079</span> // login the spnego principal<a
name="line.79"></a>
+<span class="sourceLineNo">080</span>
UserGroupInformation.setConfiguration(conf);<a name="line.80"></a>
+<span class="sourceLineNo">081</span> this.httpUGI =
UserGroupInformation.loginUserFromKeytabAndReturnUGI(<a name="line.81"></a>
+<span class="sourceLineNo">082</span>
conf.get(THRIFT_SPNEGO_PRINCIPAL_KEY),<a name="line.82"></a>
+<span class="sourceLineNo">083</span>
conf.get(THRIFT_SPNEGO_KEYTAB_FILE_KEY)<a name="line.83"></a>
+<span class="sourceLineNo">084</span> );<a name="line.84"></a>
+<span class="sourceLineNo">085</span> } else {<a name="line.85"></a>
+<span class="sourceLineNo">086</span> this.httpUGI = null;<a
name="line.86"></a>
+<span class="sourceLineNo">087</span> }<a name="line.87"></a>
+<span class="sourceLineNo">088</span> }<a name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span> @Override<a name="line.90"></a>
+<span class="sourceLineNo">091</span> protected void
doPost(HttpServletRequest request, HttpServletResponse response)<a
name="line.91"></a>
+<span class="sourceLineNo">092</span> throws ServletException,
IOException {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> String effectiveUser =
request.getRemoteUser();<a name="line.93"></a>
+<span class="sourceLineNo">094</span> if (securityEnabled) {<a
name="line.94"></a>
+<span class="sourceLineNo">095</span> /*<a name="line.95"></a>
+<span class="sourceLineNo">096</span> Check that the AUTHORIZATION header
has any content. If it does not then return a 401<a name="line.96"></a>
+<span class="sourceLineNo">097</span> requesting AUTHORIZATION header to
be sent. This is typical where the first request doesn't<a name="line.97"></a>
+<span class="sourceLineNo">098</span> send the AUTHORIZATION header
initially.<a name="line.98"></a>
+<span class="sourceLineNo">099</span> */<a name="line.99"></a>
+<span class="sourceLineNo">100</span> String authHeader =
request.getHeader(HttpHeaders.AUTHORIZATION);<a name="line.100"></a>
+<span class="sourceLineNo">101</span> if (authHeader == null ||
authHeader.isEmpty()) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> // Send a 401 to the client<a
name="line.102"></a>
+<span class="sourceLineNo">103</span>
response.addHeader(HttpHeaders.WWW_AUTHENTICATE, NEGOTIATE);<a
name="line.103"></a>
+<span class="sourceLineNo">104</span>
response.sendError(HttpServletResponse.SC_UNAUTHORIZED);<a name="line.104"></a>
+<span class="sourceLineNo">105</span> return;<a name="line.105"></a>
<span class="sourceLineNo">106</span> }<a name="line.106"></a>
-<span class="sourceLineNo">107</span> // The authenticated remote user is
attempting to perform 'doAs' proxy user.<a name="line.107"></a>
-<span class="sourceLineNo">108</span> UserGroupInformation remoteUser =
UserGroupInformation.createRemoteUser(effectiveUser);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> // create and attempt to authorize
a proxy user (the client is attempting<a name="line.109"></a>
-<span class="sourceLineNo">110</span> // to do proxy user)<a
name="line.110"></a>
-<span class="sourceLineNo">111</span> UserGroupInformation ugi =
UserGroupInformation.createProxyUser(doAsUserFromQuery,<a name="line.111"></a>
-<span class="sourceLineNo">112</span> remoteUser);<a
name="line.112"></a>
-<span class="sourceLineNo">113</span> // validate the proxy user
authorization<a name="line.113"></a>
-<span class="sourceLineNo">114</span> try {<a name="line.114"></a>
-<span class="sourceLineNo">115</span> ProxyUsers.authorize(ugi,
request.getRemoteAddr(), conf);<a name="line.115"></a>
-<span class="sourceLineNo">116</span> } catch (AuthorizationException e)
{<a name="line.116"></a>
-<span class="sourceLineNo">117</span> throw new
ServletException(e.getMessage());<a name="line.117"></a>
-<span class="sourceLineNo">118</span> }<a name="line.118"></a>
-<span class="sourceLineNo">119</span> effectiveUser =
doAsUserFromQuery;<a name="line.119"></a>
-<span class="sourceLineNo">120</span> }<a name="line.120"></a>
-<span class="sourceLineNo">121</span>
hbaseHandler.setEffectiveUser(effectiveUser);<a name="line.121"></a>
-<span class="sourceLineNo">122</span> super.doPost(request, response);<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> /**<a name="line.125"></a>
-<span class="sourceLineNo">126</span> * Do the GSS-API kerberos
authentication.<a name="line.126"></a>
-<span class="sourceLineNo">127</span> * We already have a logged in subject
in the form of serviceUGI,<a name="line.127"></a>
-<span class="sourceLineNo">128</span> * which GSS-API will extract
information from.<a name="line.128"></a>
-<span class="sourceLineNo">129</span> */<a name="line.129"></a>
-<span class="sourceLineNo">130</span> private RemoteUserIdentity
doKerberosAuth(HttpServletRequest request)<a name="line.130"></a>
-<span class="sourceLineNo">131</span> throws HttpAuthenticationException
{<a name="line.131"></a>
-<span class="sourceLineNo">132</span> HttpKerberosServerAction action = new
HttpKerberosServerAction(request, realUser);<a name="line.132"></a>
-<span class="sourceLineNo">133</span> try {<a name="line.133"></a>
-<span class="sourceLineNo">134</span> String principal =
realUser.doAs(action);<a name="line.134"></a>
-<span class="sourceLineNo">135</span> return new
RemoteUserIdentity(principal, action.outToken);<a name="line.135"></a>
-<span class="sourceLineNo">136</span> } catch (Exception e) {<a
name="line.136"></a>
-<span class="sourceLineNo">137</span> LOG.error("Failed to perform
authentication");<a name="line.137"></a>
-<span class="sourceLineNo">138</span> throw new
HttpAuthenticationException(e);<a name="line.138"></a>
-<span class="sourceLineNo">139</span> }<a name="line.139"></a>
-<span class="sourceLineNo">140</span> }<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span> /**<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * Basic "struct" class to hold the
final base64-encoded, authenticated GSSAPI token<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * for the user with the given
principal talking to the Thrift server.<a name="line.144"></a>
-<span class="sourceLineNo">145</span> */<a name="line.145"></a>
-<span class="sourceLineNo">146</span> private static class RemoteUserIdentity
{<a name="line.146"></a>
-<span class="sourceLineNo">147</span> final String outToken;<a
name="line.147"></a>
-<span class="sourceLineNo">148</span> final String principal;<a
name="line.148"></a>
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String outToken) {<a name="line.150"></a>
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name="line.152"></a>
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name="line.156"></a>
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name="line.157"></a>
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name="line.158"></a>
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name="line.159"></a>
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HttpKerberosServerAction(HttpServletRequest request, UserGroupInformation
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name="line.161"></a>
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name="line.162"></a>
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name="line.169"></a>
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name="line.170"></a>
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mechanism.<a name="line.172"></a>
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Oid("1.2.840.113554.1.2.2");<a name="line.173"></a>
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mechanism.<a name="line.174"></a>
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Oid("1.3.6.1.5.5.2");<a name="line.175"></a>
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name<a name="line.176"></a>
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name="line.178"></a>
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manager.createName(serverPrincipal, krb5PrincipalOid);<a name="line.179"></a>
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name="line.180"></a>
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manager.createCredential(serverName,<a name="line.181"></a>
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GSSCredential.DEFAULT_LIFETIME,<a name="line.182"></a>
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spnegoMechOid},<a name="line.183"></a>
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name="line.184"></a>
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name="line.185"></a>
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manager.createContext(serverCreds);<a name="line.186"></a>
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authorization header<a name="line.187"></a>
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getAuthHeader(request);<a name="line.188"></a>
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Base64.decode(serviceTicketBase64);<a name="line.189"></a>
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gssContext.acceptSecContext(inToken, 0, inToken.length);<a name="line.190"></a>
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name="line.191"></a>
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its context completion<a name="line.194"></a>
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{<a name="line.195"></a>
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HttpAuthenticationException("Kerberos authentication failed: " +<a
name="line.196"></a>
-<span class="sourceLineNo">197</span> "unable to establish
context with the service ticket " +<a name="line.197"></a>
-<span class="sourceLineNo">198</span> "provided by the
client.");<a name="line.198"></a>
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SecurityUtil.getUserFromPrincipal(gssContext.getSrcName().toString());<a
name="line.200"></a>
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name="line.201"></a>
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name="line.202"></a>
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name="line.204"></a>
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name="line.206"></a>
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name="line.207"></a>
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disposing GSS Context", e);<a name="line.208"></a>
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-<span class="sourceLineNo">214</span> /**<a name="line.214"></a>
-<span class="sourceLineNo">215</span> * Returns the base64 encoded auth
header payload<a name="line.215"></a>
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HttpAuthenticationException if a remote or network exception occurs<a
name="line.217"></a>
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getAuthHeader(HttpServletRequest request)<a name="line.219"></a>
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request.getHeader(AUTHORIZATION);<a name="line.221"></a>
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Authorization header<a name="line.222"></a>
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authHeader.isEmpty()) {<a name="line.223"></a>
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HttpAuthenticationException("Authorization header received " +<a
name="line.224"></a>
-<span class="sourceLineNo">225</span> "from the client is
empty.");<a name="line.225"></a>
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name="line.227"></a>
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").length();<a name="line.228"></a>
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authHeader.substring(beginIndex);<a name="line.229"></a>
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payload<a name="line.230"></a>
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|| authHeaderBase64String.isEmpty()) {<a name="line.231"></a>
-<span class="sourceLineNo">232</span> throw new
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name="line.232"></a>
-<span class="sourceLineNo">233</span> "from the client does not
contain any data.");<a name="line.233"></a>
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name="line.235"></a>
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-<span class="sourceLineNo">237</span> }<a name="line.237"></a>
-<span class="sourceLineNo">238</span>}<a name="line.238"></a>
+<span class="sourceLineNo">107</span><a name="line.107"></a>
+<span class="sourceLineNo">108</span> try {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> // As Thrift HTTP transport
doesn't support SPNEGO yet (THRIFT-889),<a name="line.109"></a>
+<span class="sourceLineNo">110</span> // Kerberos authentication is
being done at servlet level.<a name="line.110"></a>
+<span class="sourceLineNo">111</span> final RemoteUserIdentity identity
= doKerberosAuth(request);<a name="line.111"></a>
+<span class="sourceLineNo">112</span> effectiveUser =
identity.principal;<a name="line.112"></a>
+<span class="sourceLineNo">113</span> // It is standard for client
applications expect this header.<a name="line.113"></a>
+<span class="sourceLineNo">114</span> // Please see
http://tools.ietf.org/html/rfc4559 for more details.<a name="line.114"></a>
+<span class="sourceLineNo">115</span>
response.addHeader(HttpHeaders.WWW_AUTHENTICATE, NEGOTIATE + " " +
identity.outToken);<a name="line.115"></a>
+<span class="sourceLineNo">116</span> } catch
(HttpAuthenticationException e) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> LOG.error("Kerberos
Authentication failed", e);<a name="line.117"></a>
+<span class="sourceLineNo">118</span> // Send a 401 to the client<a
name="line.118"></a>
+<span class="sourceLineNo">119</span>
response.addHeader(HttpHeaders.WWW_AUTHENTICATE, NEGOTIATE);<a
name="line.119"></a>
+<span class="sourceLineNo">120</span>
response.sendError(HttpServletResponse.SC_UNAUTHORIZED,<a name="line.120"></a>
+<span class="sourceLineNo">121</span> "Authentication Error: " +
e.getMessage());<a name="line.121"></a>
+<span class="sourceLineNo">122</span> return;<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><a name="line.125"></a>
+<span class="sourceLineNo">126</span> if(effectiveUser == null) {<a
name="line.126"></a>
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serviceUGI.getShortUserName();<a name="line.127"></a>
+<span class="sourceLineNo">128</span> }<a name="line.128"></a>
+<span class="sourceLineNo">129</span><a name="line.129"></a>
+<span class="sourceLineNo">130</span> String doAsUserFromQuery =
request.getHeader("doAs");<a name="line.130"></a>
+<span class="sourceLineNo">131</span> if (doAsUserFromQuery != null) {<a
name="line.131"></a>
+<span class="sourceLineNo">132</span> if (!doAsEnabled) {<a
name="line.132"></a>
+<span class="sourceLineNo">133</span> throw new
ServletException("Support for proxyuser is not configured");<a
name="line.133"></a>
+<span class="sourceLineNo">134</span> }<a name="line.134"></a>
+<span class="sourceLineNo">135</span> // The authenticated remote user is
attempting to perform 'doAs' proxy user.<a name="line.135"></a>
+<span class="sourceLineNo">136</span> UserGroupInformation remoteUser =
UserGroupInformation.createRemoteUser(effectiveUser);<a name="line.136"></a>
+<span class="sourceLineNo">137</span> // create and attempt to authorize
a proxy user (the client is attempting<a name="line.137"></a>
+<span class="sourceLineNo">138</span> // to do proxy user)<a
name="line.138"></a>
+<span class="sourceLineNo">139</span> UserGroupInformation ugi =
UserGroupInformation.createProxyUser(doAsUserFromQuery,<a name="line.139"></a>
+<span class="sourceLineNo">140</span> remoteUser);<a
name="line.140"></a>
+<span class="sourceLineNo">141</span> // validate the proxy user
authorization<a name="line.141"></a>
+<span class="sourceLineNo">142</span> try {<a name="line.142"></a>
+<span class="sourceLineNo">143</span> ProxyUsers.authorize(ugi,
request.getRemoteAddr());<a name="line.143"></a>
+<span class="sourceLineNo">144</span> } catch (AuthorizationException e)
{<a name="line.144"></a>
+<span class="sourceLineNo">145</span> throw new ServletException(e);<a
name="line.145"></a>
+<span class="sourceLineNo">146</span> }<a name="line.146"></a>
+<span class="sourceLineNo">147</span> effectiveUser =
doAsUserFromQuery;<a name="line.147"></a>
+<span class="sourceLineNo">148</span> }<a name="line.148"></a>
+<span class="sourceLineNo">149</span>
hbaseHandler.setEffectiveUser(effectiveUser);<a name="line.149"></a>
+<span class="sourceLineNo">150</span> super.doPost(request, response);<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> /**<a name="line.153"></a>
+<span class="sourceLineNo">154</span> * Do the GSS-API kerberos
authentication.<a name="line.154"></a>
+<span class="sourceLineNo">155</span> * We already have a logged in subject
in the form of httpUGI,<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * which GSS-API will extract
information from.<a name="line.156"></a>
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+<span class="sourceLineNo">158</span> private RemoteUserIdentity
doKerberosAuth(HttpServletRequest request)<a name="line.158"></a>
+<span class="sourceLineNo">159</span> throws HttpAuthenticationException
{<a name="line.159"></a>
+<span class="sourceLineNo">160</span> HttpKerberosServerAction action = new
HttpKerberosServerAction(request, httpUGI);<a name="line.160"></a>
+<span class="sourceLineNo">161</span> try {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> String principal =
httpUGI.doAs(action);<a name="line.162"></a>
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RemoteUserIdentity(principal, action.outToken);<a name="line.163"></a>
+<span class="sourceLineNo">164</span> } catch (Exception e) {<a
name="line.164"></a>
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with {} kerberos principal", httpUGI.getUserName());<a name="line.165"></a>
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HttpAuthenticationException(e);<a name="line.166"></a>
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+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> /**<a name="line.170"></a>
+<span class="sourceLineNo">171</span> * Basic "struct" class to hold the
final base64-encoded, authenticated GSSAPI token<a name="line.171"></a>
+<span class="sourceLineNo">172</span> * for the user with the given
principal talking to the Thrift server.<a name="line.172"></a>
+<span class="sourceLineNo">173</span> */<a name="line.173"></a>
+<span class="sourceLineNo">174</span> private static class RemoteUserIdentity
{<a name="line.174"></a>
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name="line.175"></a>
+<span class="sourceLineNo">176</span> final String principal;<a
name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
+<span class="sourceLineNo">178</span> RemoteUserIdentity(String principal,
String outToken) {<a name="line.178"></a>
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name="line.179"></a>
+<span class="sourceLineNo">180</span> this.outToken = outToken;<a
name="line.180"></a>
+<span class="sourceLineNo">181</span> }<a name="line.181"></a>
+<span class="sourceLineNo">182</span> }<a name="line.182"></a>
+<span class="sourceLineNo">183</span><a name="line.183"></a>
+<span class="sourceLineNo">184</span> private static class
HttpKerberosServerAction implements PrivilegedExceptionAction<String> {<a
name="line.184"></a>
+<span class="sourceLineNo">185</span> final HttpServletRequest request;<a
name="line.185"></a>
+<span class="sourceLineNo">186</span> final UserGroupInformation httpUGI;<a
name="line.186"></a>
+<span class="sourceLineNo">187</span> String outToken = null;<a
name="line.187"></a>
+<span class="sourceLineNo">188</span>
HttpKerberosServerAction(HttpServletRequest request, UserGroupInformation
httpUGI) {<a name="line.188"></a>
+<span class="sourceLineNo">189</span> this.request = request;<a
name="line.189"></a>
+<span class="sourceLineNo">190</span> this.httpUGI = httpUGI;<a
name="line.190"></a>
+<span class="sourceLineNo">191</span> }<a name="line.191"></a>
+<span class="sourceLineNo">192</span><a name="line.192"></a>
+<span class="sourceLineNo">193</span> @Override<a name="line.193"></a>
+<span class="sourceLineNo">194</span> public String run() throws
HttpAuthenticationException {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> // Get own Kerberos credentials for
accepting connection<a name="line.195"></a>
+<span class="sourceLineNo">196</span> GSSManager manager =
GSSManager.getInstance();<a name="line.196"></a>
+<span class="sourceLineNo">197</span> GSSContext gssContext = null;<a
name="line.197"></a>
+<span class="sourceLineNo">198</span> String serverPrincipal =
SecurityUtil.getPrincipalWithoutRealm(httpUGI.getUserName());<a
name="line.198"></a>
+<span class="sourceLineNo">199</span> try {<a name="line.199"></a>
+<span class="sourceLineNo">200</span> // This Oid for Kerberos GSS-API
mechanism.<a name="line.200"></a>
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Oid("1.2.840.113554.1.2.2");<a name="line.201"></a>
+<span class="sourceLineNo">202</span> // Oid for SPNego GSS-API
mechanism.<a name="line.202"></a>
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Oid("1.3.6.1.5.5.2");<a name="line.203"></a>
+<span class="sourceLineNo">204</span> // Oid for kerberos principal
name<a name="line.204"></a>
+<span class="sourceLineNo">205</span> Oid krb5PrincipalOid = new
Oid("1.2.840.113554.1.2.2.1");<a name="line.205"></a>
+<span class="sourceLineNo">206</span> // GSS name for server<a
name="line.206"></a>
+<span class="sourceLineNo">207</span> GSSName serverName =
manager.createName(serverPrincipal, krb5PrincipalOid);<a name="line.207"></a>
+<span class="sourceLineNo">208</span> // GSS credentials for server<a
name="line.208"></a>
+<span class="sourceLineNo">209</span> GSSCredential serverCreds =
manager.createCredential(serverName,<a name="line.209"></a>
+<span class="sourceLineNo">210</span>
GSSCredential.DEFAULT_LIFETIME,<a name="line.210"></a>
+<span class="sourceLineNo">211</span> new Oid[]{kerberosMechOid,
spnegoMechOid},<a name="line.211"></a>
+<span class="sourceLineNo">212</span> GSSCredential.ACCEPT_ONLY);<a
name="line.212"></a>
+<span class="sourceLineNo">213</span> // Create a GSS context<a
name="line.213"></a>
+<span class="sourceLineNo">214</span> gssContext =
manager.createContext(serverCreds);<a name="line.214"></a>
+<span class="sourceLineNo">215</span> // Get service ticket from the
authorization header<a name="line.215"></a>
+<span class="sourceLineNo">216</span> String serviceTicketBase64 =
getAuthHeader(request);<a name="line.216"></a>
+<span class="sourceLineNo">217</span> byte[] inToken =
Base64.decode(serviceTicketBase64);<a name="line.217"></a>
+<span class="sourceLineNo">218</span> byte[] res =
gssContext.acceptSecContext(inToken, 0, inToken.length);<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if(res != null) {<a
name="line.219"></a>
+<span class="sourceLineNo">220</span> outToken =
Base64.encodeBytes(res).replace("\n", "");<a name="line.220"></a>
+<span class="sourceLineNo">221</span> }<a name="line.221"></a>
+<span class="sourceLineNo">222</span> // Authenticate or deny based on
its context completion<a name="line.222"></a>
+<span class="sourceLineNo">223</span> if (!gssContext.isEstablished())
{<a name="line.223"></a>
+<span class="sourceLineNo">224</span> throw new
HttpAuthenticationException("Kerberos authentication failed: " +<a
name="line.224"></a>
+<span class="sourceLineNo">225</span> "unable to establish
context with the service ticket " +<a name="line.225"></a>
+<span class="sourceLineNo">226</span> "provided by the
client.");<a name="line.226"></a>
+<span class="sourceLineNo">227</span> }<a name="line.227"></a>
+<span class="sourceLineNo">228</span> return
SecurityUtil.getUserFromPrincipal(gssContext.getSrcName().toString());<a
name="line.228"></a>
+<span class="sourceLineNo">229</span> } catch (GSSException e) {<a
name="line.229"></a>
+<span class="sourceLineNo">230</span> throw new
HttpAuthenticationException("Kerberos authentication failed: ", e);<a
name="line.230"></a>
+<span class="sourceLineNo">231</span> } finally {<a name="line.231"></a>
+<span class="sourceLineNo">232</span> if (gssContext != null) {<a
name="line.232"></a>
+<span class="sourceLineNo">233</span> try {<a name="line.233"></a>
+<span class="sourceLineNo">234</span> gssContext.dispose();<a
name="line.234"></a>
+<span class="sourceLineNo">235</span> } catch (GSSException e) {<a
name="line.235"></a>
+<span class="sourceLineNo">236</span> LOG.warn("Error while
disposing GSS Context", e);<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> }<a name="line.238"></a>
+<span class="sourceLineNo">239</span> }<a name="line.239"></a>
+<span class="sourceLineNo">240</span> }<a name="line.240"></a>
+<span class="sourceLineNo">241</span><a name="line.241"></a>
+<span class="sourceLineNo">242</span> /**<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * Returns the base64 encoded auth
header payload<a name="line.243"></a>
+<span class="sourceLineNo">244</span> *<a name="line.244"></a>
+<span class="sourceLineNo">245</span> * @throws
HttpAuthenticationException if a remote or network exception occurs<a
name="line.245"></a>
+<span class="sourceLineNo">246</span> */<a name="line.246"></a>
+<span class="sourceLineNo">247</span> private String
getAuthHeader(HttpServletRequest request)<a name="line.247"></a>
+<span class="sourceLineNo">248</span> throws
HttpAuthenticationException {<a name="line.248"></a>
+<span class="sourceLineNo">249</span> String authHeader =
request.getHeader(HttpHeaders.AUTHORIZATION);<a name="line.249"></a>
+<span class="sourceLineNo">250</span> // Each http request must have an
Authorization header<a name="line.250"></a>
+<span class="sourceLineNo">251</span> if (authHeader == null ||
authHeader.isEmpty()) {<a name="line.251"></a>
+<span class="sourceLineNo">252</span> throw new
HttpAuthenticationException("Authorization header received " +<a
name="line.252"></a>
+<span class="sourceLineNo">253</span> "from the client is
empty.");<a name="line.253"></a>
+<span class="sourceLineNo">254</span> }<a name="line.254"></a>
+<span class="sourceLineNo">255</span> String authHeaderBase64String;<a
name="line.255"></a>
+<span class="sourceLineNo">256</span> int beginIndex = (NEGOTIATE + "
").length();<a name="line.256"></a>
+<span class="sourceLineNo">257</span> authHeaderBase64String =
authHeader.substring(beginIndex);<a name="line.257"></a>
+<span class="sourceLineNo">258</span> // Authorization header must have a
payload<a name="line.258"></a>
+<span class="sourceLineNo">259</span> if
(authHeaderBase64String.isEmpty()) {<a name="line.259"></a>
+<span class="sourceLineNo">260</span> throw new
HttpAuthenticationException("Authorization header received " +<a
name="line.260"></a>
+<span class="sourceLineNo">261</span> "from the client does not
contain any data.");<a name="line.261"></a>
+<span class="sourceLineNo">262</span> }<a name="line.262"></a>
+<span class="sourceLineNo">263</span> return authHeaderBase64String;<a
name="line.263"></a>
+<span class="sourceLineNo">264</span> }<a name="line.264"></a>
+<span class="sourceLineNo">265</span> }<a name="line.265"></a>
+<span class="sourceLineNo">266</span>}<a name="line.266"></a>