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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.security.visibility;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.apache.hadoop.hbase.TagType.VISIBILITY_TAG_TYPE;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.security.visibility.VisibilityConstants.LABELS_TABLE_FAMILY;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.apache.hadoop.hbase.security.visibility.VisibilityConstants.LABELS_TABLE_NAME;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.apache.hadoop.hbase.security.visibility.VisibilityUtils.SYSTEM_LABEL;</span> |
| <span class="source-line-no">024</span><span id="line-24"></span> |
| <span class="source-line-no">025</span><span id="line-25">import java.io.ByteArrayOutputStream;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.io.DataOutputStream;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.io.IOException;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.ArrayList;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Collections;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.HashSet;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.Iterator;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.List;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.Set;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.ArrayBackedTag;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.AuthUtil;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.CellBuilder;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.CellBuilderFactory;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.CellBuilderType;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.ExtendedCell;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.HConstants.OperationStatusCode;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.PrivateCellUtil;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.Tag;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.TagType;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.client.Delete;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.client.Get;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.regionserver.OperationStatus;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.regionserver.Region;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.regionserver.RegionScanner;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.security.Superusers;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hadoop.hbase.security.User;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hadoop.hbase.security.visibility.expression.ExpressionNode;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.apache.hadoop.hbase.security.visibility.expression.LeafExpressionNode;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hadoop.hbase.security.visibility.expression.NonLeafExpressionNode;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hadoop.hbase.security.visibility.expression.Operator;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hadoop.hbase.util.ByteBufferUtils;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">067</span><span id="line-67">import org.slf4j.Logger;</span> |
| <span class="source-line-no">068</span><span id="line-68">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70">/**</span> |
| <span class="source-line-no">071</span><span id="line-71"> * This is a VisibilityLabelService where labels in Mutation's visibility expression will be</span> |
| <span class="source-line-no">072</span><span id="line-72"> * persisted as Strings itself rather than ordinals in 'labels' table. Also there is no need to add</span> |
| <span class="source-line-no">073</span><span id="line-73"> * labels to the system, prior to using them in Mutations/Authorizations.</span> |
| <span class="source-line-no">074</span><span id="line-74"> */</span> |
| <span class="source-line-no">075</span><span id="line-75">@InterfaceAudience.Private</span> |
| <span class="source-line-no">076</span><span id="line-76">public class ExpAsStringVisibilityLabelServiceImpl implements VisibilityLabelService {</span> |
| <span class="source-line-no">077</span><span id="line-77"> private static final Logger LOG =</span> |
| <span class="source-line-no">078</span><span id="line-78"> LoggerFactory.getLogger(ExpAsStringVisibilityLabelServiceImpl.class);</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> private static final byte[] DUMMY_VALUE = new byte[0];</span> |
| <span class="source-line-no">081</span><span id="line-81"> private static final byte STRING_SERIALIZATION_FORMAT = 2;</span> |
| <span class="source-line-no">082</span><span id="line-82"> private static final Tag STRING_SERIALIZATION_FORMAT_TAG =</span> |
| <span class="source-line-no">083</span><span id="line-83"> new ArrayBackedTag(TagType.VISIBILITY_EXP_SERIALIZATION_FORMAT_TAG_TYPE,</span> |
| <span class="source-line-no">084</span><span id="line-84"> new byte[] { STRING_SERIALIZATION_FORMAT });</span> |
| <span class="source-line-no">085</span><span id="line-85"> private final ExpressionParser expressionParser = new ExpressionParser();</span> |
| <span class="source-line-no">086</span><span id="line-86"> private final ExpressionExpander expressionExpander = new ExpressionExpander();</span> |
| <span class="source-line-no">087</span><span id="line-87"> private Configuration conf;</span> |
| <span class="source-line-no">088</span><span id="line-88"> private Region labelsRegion;</span> |
| <span class="source-line-no">089</span><span id="line-89"> private List<ScanLabelGenerator> scanLabelGenerators;</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> @Override</span> |
| <span class="source-line-no">092</span><span id="line-92"> public OperationStatus[] addLabels(List<byte[]> labels) throws IOException {</span> |
| <span class="source-line-no">093</span><span id="line-93"> // Not doing specific label add. We will just add labels in Mutation</span> |
| <span class="source-line-no">094</span><span id="line-94"> // visibility expression as it</span> |
| <span class="source-line-no">095</span><span id="line-95"> // is along with every cell.</span> |
| <span class="source-line-no">096</span><span id="line-96"> OperationStatus[] status = new OperationStatus[labels.size()];</span> |
| <span class="source-line-no">097</span><span id="line-97"> for (int i = 0; i < labels.size(); i++) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> status[i] = new OperationStatus(OperationStatusCode.SUCCESS);</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"> return status;</span> |
| <span class="source-line-no">101</span><span id="line-101"> }</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> @Override</span> |
| <span class="source-line-no">104</span><span id="line-104"> public OperationStatus[] setAuths(byte[] user, List<byte[]> authLabels) throws IOException {</span> |
| <span class="source-line-no">105</span><span id="line-105"> assert labelsRegion != null;</span> |
| <span class="source-line-no">106</span><span id="line-106"> OperationStatus[] finalOpStatus = new OperationStatus[authLabels.size()];</span> |
| <span class="source-line-no">107</span><span id="line-107"> Put p = new Put(user);</span> |
| <span class="source-line-no">108</span><span id="line-108"> CellBuilder builder = CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY);</span> |
| <span class="source-line-no">109</span><span id="line-109"> for (byte[] auth : authLabels) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> p.add(builder.clear().setRow(p.getRow()).setFamily(LABELS_TABLE_FAMILY).setQualifier(auth)</span> |
| <span class="source-line-no">111</span><span id="line-111"> .setTimestamp(p.getTimestamp()).setType(Cell.Type.Put).setValue(DUMMY_VALUE).build());</span> |
| <span class="source-line-no">112</span><span id="line-112"> }</span> |
| <span class="source-line-no">113</span><span id="line-113"> this.labelsRegion.put(p);</span> |
| <span class="source-line-no">114</span><span id="line-114"> // This is a testing impl and so not doing any caching</span> |
| <span class="source-line-no">115</span><span id="line-115"> for (int i = 0; i < authLabels.size(); i++) {</span> |
| <span class="source-line-no">116</span><span id="line-116"> finalOpStatus[i] = new OperationStatus(OperationStatusCode.SUCCESS);</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"> return finalOpStatus;</span> |
| <span class="source-line-no">119</span><span id="line-119"> }</span> |
| <span class="source-line-no">120</span><span id="line-120"></span> |
| <span class="source-line-no">121</span><span id="line-121"> @Override</span> |
| <span class="source-line-no">122</span><span id="line-122"> public OperationStatus[] clearAuths(byte[] user, List<byte[]> authLabels) throws IOException {</span> |
| <span class="source-line-no">123</span><span id="line-123"> assert labelsRegion != null;</span> |
| <span class="source-line-no">124</span><span id="line-124"> OperationStatus[] finalOpStatus = new OperationStatus[authLabels.size()];</span> |
| <span class="source-line-no">125</span><span id="line-125"> List<String> currentAuths;</span> |
| <span class="source-line-no">126</span><span id="line-126"> if (AuthUtil.isGroupPrincipal(Bytes.toString(user))) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> String group = AuthUtil.getGroupName(Bytes.toString(user));</span> |
| <span class="source-line-no">128</span><span id="line-128"> currentAuths = this.getGroupAuths(new String[] { group }, true);</span> |
| <span class="source-line-no">129</span><span id="line-129"> } else {</span> |
| <span class="source-line-no">130</span><span id="line-130"> currentAuths = this.getUserAuths(user, true);</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"> Delete d = new Delete(user);</span> |
| <span class="source-line-no">133</span><span id="line-133"> int i = 0;</span> |
| <span class="source-line-no">134</span><span id="line-134"> for (byte[] authLabel : authLabels) {</span> |
| <span class="source-line-no">135</span><span id="line-135"> String authLabelStr = Bytes.toString(authLabel);</span> |
| <span class="source-line-no">136</span><span id="line-136"> if (currentAuths.contains(authLabelStr)) {</span> |
| <span class="source-line-no">137</span><span id="line-137"> d.addColumns(LABELS_TABLE_FAMILY, authLabel);</span> |
| <span class="source-line-no">138</span><span id="line-138"> } else {</span> |
| <span class="source-line-no">139</span><span id="line-139"> // This label is not set for the user.</span> |
| <span class="source-line-no">140</span><span id="line-140"> finalOpStatus[i] =</span> |
| <span class="source-line-no">141</span><span id="line-141"> new OperationStatus(OperationStatusCode.FAILURE, new InvalidLabelException(</span> |
| <span class="source-line-no">142</span><span id="line-142"> "Label '" + authLabelStr + "' is not set for the user " + Bytes.toString(user)));</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"> i++;</span> |
| <span class="source-line-no">145</span><span id="line-145"> }</span> |
| <span class="source-line-no">146</span><span id="line-146"> this.labelsRegion.delete(d);</span> |
| <span class="source-line-no">147</span><span id="line-147"> // This is a testing impl and so not doing any caching</span> |
| <span class="source-line-no">148</span><span id="line-148"> for (i = 0; i < authLabels.size(); i++) {</span> |
| <span class="source-line-no">149</span><span id="line-149"> if (finalOpStatus[i] == null) {</span> |
| <span class="source-line-no">150</span><span id="line-150"> finalOpStatus[i] = new OperationStatus(OperationStatusCode.SUCCESS);</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"> }</span> |
| <span class="source-line-no">153</span><span id="line-153"> return finalOpStatus;</span> |
| <span class="source-line-no">154</span><span id="line-154"> }</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> @Override</span> |
| <span class="source-line-no">157</span><span id="line-157"> public List<String> getUserAuths(byte[] user, boolean systemCall) throws IOException {</span> |
| <span class="source-line-no">158</span><span id="line-158"> assert (labelsRegion != null || systemCall);</span> |
| <span class="source-line-no">159</span><span id="line-159"> List<String> auths = new ArrayList<>();</span> |
| <span class="source-line-no">160</span><span id="line-160"> Get get = new Get(user);</span> |
| <span class="source-line-no">161</span><span id="line-161"> getAuths(get, auths);</span> |
| <span class="source-line-no">162</span><span id="line-162"> return auths;</span> |
| <span class="source-line-no">163</span><span id="line-163"> }</span> |
| <span class="source-line-no">164</span><span id="line-164"></span> |
| <span class="source-line-no">165</span><span id="line-165"> @Override</span> |
| <span class="source-line-no">166</span><span id="line-166"> public List<String> getGroupAuths(String[] groups, boolean systemCall) throws IOException {</span> |
| <span class="source-line-no">167</span><span id="line-167"> assert (labelsRegion != null || systemCall);</span> |
| <span class="source-line-no">168</span><span id="line-168"> List<String> auths = new ArrayList<>();</span> |
| <span class="source-line-no">169</span><span id="line-169"> if (groups != null && groups.length > 0) {</span> |
| <span class="source-line-no">170</span><span id="line-170"> for (String group : groups) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> Get get = new Get(Bytes.toBytes(AuthUtil.toGroupEntry(group)));</span> |
| <span class="source-line-no">172</span><span id="line-172"> getAuths(get, auths);</span> |
| <span class="source-line-no">173</span><span id="line-173"> }</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"> return auths;</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177"></span> |
| <span class="source-line-no">178</span><span id="line-178"> private void getAuths(Get get, List<String> auths) throws IOException {</span> |
| <span class="source-line-no">179</span><span id="line-179"> List<Cell> cells = new ArrayList<>();</span> |
| <span class="source-line-no">180</span><span id="line-180"> RegionScanner scanner = null;</span> |
| <span class="source-line-no">181</span><span id="line-181"> try {</span> |
| <span class="source-line-no">182</span><span id="line-182"> if (labelsRegion == null) {</span> |
| <span class="source-line-no">183</span><span id="line-183"> Table table = null;</span> |
| <span class="source-line-no">184</span><span id="line-184"> Connection connection = null;</span> |
| <span class="source-line-no">185</span><span id="line-185"> try {</span> |
| <span class="source-line-no">186</span><span id="line-186"> connection = ConnectionFactory.createConnection(conf);</span> |
| <span class="source-line-no">187</span><span id="line-187"> table = connection.getTable(VisibilityConstants.LABELS_TABLE_NAME);</span> |
| <span class="source-line-no">188</span><span id="line-188"> Result result = table.get(get);</span> |
| <span class="source-line-no">189</span><span id="line-189"> cells = result.listCells();</span> |
| <span class="source-line-no">190</span><span id="line-190"> } finally {</span> |
| <span class="source-line-no">191</span><span id="line-191"> if (table != null) {</span> |
| <span class="source-line-no">192</span><span id="line-192"> table.close();</span> |
| <span class="source-line-no">193</span><span id="line-193"> }</span> |
| <span class="source-line-no">194</span><span id="line-194"> if (connection != null) {</span> |
| <span class="source-line-no">195</span><span id="line-195"> connection.close();</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"> } else {</span> |
| <span class="source-line-no">199</span><span id="line-199"> // NOTE: Please don't use HRegion.get() instead,</span> |
| <span class="source-line-no">200</span><span id="line-200"> // because it will copy cells to heap. See HBASE-26036</span> |
| <span class="source-line-no">201</span><span id="line-201"> scanner = this.labelsRegion.getScanner(new Scan(get));</span> |
| <span class="source-line-no">202</span><span id="line-202"> scanner.next(cells);</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</span> |
| <span class="source-line-no">204</span><span id="line-204"> for (Cell cell : cells) {</span> |
| <span class="source-line-no">205</span><span id="line-205"> String auth = Bytes.toString(cell.getQualifierArray(), cell.getQualifierOffset(),</span> |
| <span class="source-line-no">206</span><span id="line-206"> cell.getQualifierLength());</span> |
| <span class="source-line-no">207</span><span id="line-207"> auths.add(auth);</span> |
| <span class="source-line-no">208</span><span id="line-208"> }</span> |
| <span class="source-line-no">209</span><span id="line-209"> } finally {</span> |
| <span class="source-line-no">210</span><span id="line-210"> if (scanner != null) {</span> |
| <span class="source-line-no">211</span><span id="line-211"> scanner.close();</span> |
| <span class="source-line-no">212</span><span id="line-212"> }</span> |
| <span class="source-line-no">213</span><span id="line-213"> }</span> |
| <span class="source-line-no">214</span><span id="line-214"> }</span> |
| <span class="source-line-no">215</span><span id="line-215"></span> |
| <span class="source-line-no">216</span><span id="line-216"> @Override</span> |
| <span class="source-line-no">217</span><span id="line-217"> public List<String> listLabels(String regex) throws IOException {</span> |
| <span class="source-line-no">218</span><span id="line-218"> // return an empty list for this implementation.</span> |
| <span class="source-line-no">219</span><span id="line-219"> return new ArrayList<>();</span> |
| <span class="source-line-no">220</span><span id="line-220"> }</span> |
| <span class="source-line-no">221</span><span id="line-221"></span> |
| <span class="source-line-no">222</span><span id="line-222"> @Override</span> |
| <span class="source-line-no">223</span><span id="line-223"> public List<Tag> createVisibilityExpTags(String visExpression, boolean withSerializationFormat,</span> |
| <span class="source-line-no">224</span><span id="line-224"> boolean checkAuths) throws IOException {</span> |
| <span class="source-line-no">225</span><span id="line-225"> ExpressionNode node = null;</span> |
| <span class="source-line-no">226</span><span id="line-226"> try {</span> |
| <span class="source-line-no">227</span><span id="line-227"> node = this.expressionParser.parse(visExpression);</span> |
| <span class="source-line-no">228</span><span id="line-228"> } catch (ParseException e) {</span> |
| <span class="source-line-no">229</span><span id="line-229"> throw new IOException(e);</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"> node = this.expressionExpander.expand(node);</span> |
| <span class="source-line-no">232</span><span id="line-232"> List<Tag> tags = new ArrayList<>();</span> |
| <span class="source-line-no">233</span><span id="line-233"> if (withSerializationFormat) {</span> |
| <span class="source-line-no">234</span><span id="line-234"> tags.add(STRING_SERIALIZATION_FORMAT_TAG);</span> |
| <span class="source-line-no">235</span><span id="line-235"> }</span> |
| <span class="source-line-no">236</span><span id="line-236"> if (</span> |
| <span class="source-line-no">237</span><span id="line-237"> node instanceof NonLeafExpressionNode</span> |
| <span class="source-line-no">238</span><span id="line-238"> && ((NonLeafExpressionNode) node).getOperator() == Operator.OR</span> |
| <span class="source-line-no">239</span><span id="line-239"> ) {</span> |
| <span class="source-line-no">240</span><span id="line-240"> for (ExpressionNode child : ((NonLeafExpressionNode) node).getChildExps()) {</span> |
| <span class="source-line-no">241</span><span id="line-241"> tags.add(createTag(child));</span> |
| <span class="source-line-no">242</span><span id="line-242"> }</span> |
| <span class="source-line-no">243</span><span id="line-243"> } else {</span> |
| <span class="source-line-no">244</span><span id="line-244"> tags.add(createTag(node));</span> |
| <span class="source-line-no">245</span><span id="line-245"> }</span> |
| <span class="source-line-no">246</span><span id="line-246"> return tags;</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</span> |
| <span class="source-line-no">248</span><span id="line-248"></span> |
| <span class="source-line-no">249</span><span id="line-249"> @Override</span> |
| <span class="source-line-no">250</span><span id="line-250"> public VisibilityExpEvaluator getVisibilityExpEvaluator(Authorizations authorizations)</span> |
| <span class="source-line-no">251</span><span id="line-251"> throws IOException {</span> |
| <span class="source-line-no">252</span><span id="line-252"> // If a super user issues a get/scan, he should be able to scan the cells</span> |
| <span class="source-line-no">253</span><span id="line-253"> // irrespective of the Visibility labels</span> |
| <span class="source-line-no">254</span><span id="line-254"> if (isReadFromSystemAuthUser()) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> return new VisibilityExpEvaluator() {</span> |
| <span class="source-line-no">256</span><span id="line-256"> @Override</span> |
| <span class="source-line-no">257</span><span id="line-257"> public boolean evaluate(Cell cell) throws IOException {</span> |
| <span class="source-line-no">258</span><span id="line-258"> return true;</span> |
| <span class="source-line-no">259</span><span id="line-259"> }</span> |
| <span class="source-line-no">260</span><span id="line-260"> };</span> |
| <span class="source-line-no">261</span><span id="line-261"> }</span> |
| <span class="source-line-no">262</span><span id="line-262"> List<String> authLabels = null;</span> |
| <span class="source-line-no">263</span><span id="line-263"> for (ScanLabelGenerator scanLabelGenerator : scanLabelGenerators) {</span> |
| <span class="source-line-no">264</span><span id="line-264"> try {</span> |
| <span class="source-line-no">265</span><span id="line-265"> // null authorizations to be handled inside SLG impl.</span> |
| <span class="source-line-no">266</span><span id="line-266"> authLabels = scanLabelGenerator.getLabels(VisibilityUtils.getActiveUser(), authorizations);</span> |
| <span class="source-line-no">267</span><span id="line-267"> authLabels = (authLabels == null) ? new ArrayList<>() : authLabels;</span> |
| <span class="source-line-no">268</span><span id="line-268"> authorizations = new Authorizations(authLabels);</span> |
| <span class="source-line-no">269</span><span id="line-269"> } catch (Throwable t) {</span> |
| <span class="source-line-no">270</span><span id="line-270"> LOG.error(t.toString(), t);</span> |
| <span class="source-line-no">271</span><span id="line-271"> throw new IOException(t);</span> |
| <span class="source-line-no">272</span><span id="line-272"> }</span> |
| <span class="source-line-no">273</span><span id="line-273"> }</span> |
| <span class="source-line-no">274</span><span id="line-274"> final List<String> authLabelsFinal = authLabels;</span> |
| <span class="source-line-no">275</span><span id="line-275"> return new VisibilityExpEvaluator() {</span> |
| <span class="source-line-no">276</span><span id="line-276"> @Override</span> |
| <span class="source-line-no">277</span><span id="line-277"> public boolean evaluate(Cell c) throws IOException {</span> |
| <span class="source-line-no">278</span><span id="line-278"> assert c instanceof ExtendedCell;</span> |
| <span class="source-line-no">279</span><span id="line-279"> ExtendedCell cell = (ExtendedCell) c;</span> |
| <span class="source-line-no">280</span><span id="line-280"> boolean visibilityTagPresent = false;</span> |
| <span class="source-line-no">281</span><span id="line-281"> // Save an object allocation where we can</span> |
| <span class="source-line-no">282</span><span id="line-282"> if (cell.getTagsLength() > 0) {</span> |
| <span class="source-line-no">283</span><span id="line-283"> Iterator<Tag> tagsItr = PrivateCellUtil.tagsIterator(cell);</span> |
| <span class="source-line-no">284</span><span id="line-284"> while (tagsItr.hasNext()) {</span> |
| <span class="source-line-no">285</span><span id="line-285"> boolean includeKV = true;</span> |
| <span class="source-line-no">286</span><span id="line-286"> Tag tag = tagsItr.next();</span> |
| <span class="source-line-no">287</span><span id="line-287"> if (tag.getType() == VISIBILITY_TAG_TYPE) {</span> |
| <span class="source-line-no">288</span><span id="line-288"> visibilityTagPresent = true;</span> |
| <span class="source-line-no">289</span><span id="line-289"> int offset = tag.getValueOffset();</span> |
| <span class="source-line-no">290</span><span id="line-290"> int endOffset = offset + tag.getValueLength();</span> |
| <span class="source-line-no">291</span><span id="line-291"> while (offset < endOffset) {</span> |
| <span class="source-line-no">292</span><span id="line-292"> short len = getTagValuePartAsShort(tag, offset);</span> |
| <span class="source-line-no">293</span><span id="line-293"> offset += 2;</span> |
| <span class="source-line-no">294</span><span id="line-294"> if (len < 0) {</span> |
| <span class="source-line-no">295</span><span id="line-295"> // This is a NOT label.</span> |
| <span class="source-line-no">296</span><span id="line-296"> len = (short) (-1 * len);</span> |
| <span class="source-line-no">297</span><span id="line-297"> String label = getTagValuePartAsString(tag, offset, len);</span> |
| <span class="source-line-no">298</span><span id="line-298"> if (authLabelsFinal.contains(label)) {</span> |
| <span class="source-line-no">299</span><span id="line-299"> includeKV = false;</span> |
| <span class="source-line-no">300</span><span id="line-300"> break;</span> |
| <span class="source-line-no">301</span><span id="line-301"> }</span> |
| <span class="source-line-no">302</span><span id="line-302"> } else {</span> |
| <span class="source-line-no">303</span><span id="line-303"> String label = getTagValuePartAsString(tag, offset, len);</span> |
| <span class="source-line-no">304</span><span id="line-304"> if (!authLabelsFinal.contains(label)) {</span> |
| <span class="source-line-no">305</span><span id="line-305"> includeKV = false;</span> |
| <span class="source-line-no">306</span><span id="line-306"> break;</span> |
| <span class="source-line-no">307</span><span id="line-307"> }</span> |
| <span class="source-line-no">308</span><span id="line-308"> }</span> |
| <span class="source-line-no">309</span><span id="line-309"> offset += len;</span> |
| <span class="source-line-no">310</span><span id="line-310"> }</span> |
| <span class="source-line-no">311</span><span id="line-311"> if (includeKV) {</span> |
| <span class="source-line-no">312</span><span id="line-312"> // We got one visibility expression getting evaluated to true.</span> |
| <span class="source-line-no">313</span><span id="line-313"> // Good to include this</span> |
| <span class="source-line-no">314</span><span id="line-314"> // KV in the result then.</span> |
| <span class="source-line-no">315</span><span id="line-315"> return true;</span> |
| <span class="source-line-no">316</span><span id="line-316"> }</span> |
| <span class="source-line-no">317</span><span id="line-317"> }</span> |
| <span class="source-line-no">318</span><span id="line-318"> }</span> |
| <span class="source-line-no">319</span><span id="line-319"> }</span> |
| <span class="source-line-no">320</span><span id="line-320"> return !(visibilityTagPresent);</span> |
| <span class="source-line-no">321</span><span id="line-321"> }</span> |
| <span class="source-line-no">322</span><span id="line-322"> };</span> |
| <span class="source-line-no">323</span><span id="line-323"> }</span> |
| <span class="source-line-no">324</span><span id="line-324"></span> |
| <span class="source-line-no">325</span><span id="line-325"> protected boolean isReadFromSystemAuthUser() throws IOException {</span> |
| <span class="source-line-no">326</span><span id="line-326"> User user = VisibilityUtils.getActiveUser();</span> |
| <span class="source-line-no">327</span><span id="line-327"> return havingSystemAuth(user);</span> |
| <span class="source-line-no">328</span><span id="line-328"> }</span> |
| <span class="source-line-no">329</span><span id="line-329"></span> |
| <span class="source-line-no">330</span><span id="line-330"> private Tag createTag(ExpressionNode node) throws IOException {</span> |
| <span class="source-line-no">331</span><span id="line-331"> ByteArrayOutputStream baos = new ByteArrayOutputStream();</span> |
| <span class="source-line-no">332</span><span id="line-332"> DataOutputStream dos = new DataOutputStream(baos);</span> |
| <span class="source-line-no">333</span><span id="line-333"> List<String> labels = new ArrayList<>();</span> |
| <span class="source-line-no">334</span><span id="line-334"> List<String> notLabels = new ArrayList<>();</span> |
| <span class="source-line-no">335</span><span id="line-335"> extractLabels(node, labels, notLabels);</span> |
| <span class="source-line-no">336</span><span id="line-336"> Collections.sort(labels);</span> |
| <span class="source-line-no">337</span><span id="line-337"> Collections.sort(notLabels);</span> |
| <span class="source-line-no">338</span><span id="line-338"> // We will write the NOT labels 1st followed by normal labels</span> |
| <span class="source-line-no">339</span><span id="line-339"> // Each of the label we will write with label length (as short 1st) followed</span> |
| <span class="source-line-no">340</span><span id="line-340"> // by the label bytes.</span> |
| <span class="source-line-no">341</span><span id="line-341"> // For a NOT node we will write the label length as -ve.</span> |
| <span class="source-line-no">342</span><span id="line-342"> for (String label : notLabels) {</span> |
| <span class="source-line-no">343</span><span id="line-343"> byte[] bLabel = Bytes.toBytes(label);</span> |
| <span class="source-line-no">344</span><span id="line-344"> short length = (short) bLabel.length;</span> |
| <span class="source-line-no">345</span><span id="line-345"> length = (short) (-1 * length);</span> |
| <span class="source-line-no">346</span><span id="line-346"> dos.writeShort(length);</span> |
| <span class="source-line-no">347</span><span id="line-347"> dos.write(bLabel);</span> |
| <span class="source-line-no">348</span><span id="line-348"> }</span> |
| <span class="source-line-no">349</span><span id="line-349"> for (String label : labels) {</span> |
| <span class="source-line-no">350</span><span id="line-350"> byte[] bLabel = Bytes.toBytes(label);</span> |
| <span class="source-line-no">351</span><span id="line-351"> dos.writeShort(bLabel.length);</span> |
| <span class="source-line-no">352</span><span id="line-352"> dos.write(bLabel);</span> |
| <span class="source-line-no">353</span><span id="line-353"> }</span> |
| <span class="source-line-no">354</span><span id="line-354"> return new ArrayBackedTag(VISIBILITY_TAG_TYPE, baos.toByteArray());</span> |
| <span class="source-line-no">355</span><span id="line-355"> }</span> |
| <span class="source-line-no">356</span><span id="line-356"></span> |
| <span class="source-line-no">357</span><span id="line-357"> private void extractLabels(ExpressionNode node, List<String> labels, List<String> notLabels) {</span> |
| <span class="source-line-no">358</span><span id="line-358"> if (node.isSingleNode()) {</span> |
| <span class="source-line-no">359</span><span id="line-359"> if (node instanceof NonLeafExpressionNode) {</span> |
| <span class="source-line-no">360</span><span id="line-360"> // This is a NOT node.</span> |
| <span class="source-line-no">361</span><span id="line-361"> LeafExpressionNode lNode =</span> |
| <span class="source-line-no">362</span><span id="line-362"> (LeafExpressionNode) ((NonLeafExpressionNode) node).getChildExps().get(0);</span> |
| <span class="source-line-no">363</span><span id="line-363"> notLabels.add(lNode.getIdentifier());</span> |
| <span class="source-line-no">364</span><span id="line-364"> } else {</span> |
| <span class="source-line-no">365</span><span id="line-365"> labels.add(((LeafExpressionNode) node).getIdentifier());</span> |
| <span class="source-line-no">366</span><span id="line-366"> }</span> |
| <span class="source-line-no">367</span><span id="line-367"> } else {</span> |
| <span class="source-line-no">368</span><span id="line-368"> // A non leaf expression of labels with & operator.</span> |
| <span class="source-line-no">369</span><span id="line-369"> NonLeafExpressionNode nlNode = (NonLeafExpressionNode) node;</span> |
| <span class="source-line-no">370</span><span id="line-370"> assert nlNode.getOperator() == Operator.AND;</span> |
| <span class="source-line-no">371</span><span id="line-371"> List<ExpressionNode> childExps = nlNode.getChildExps();</span> |
| <span class="source-line-no">372</span><span id="line-372"> for (ExpressionNode child : childExps) {</span> |
| <span class="source-line-no">373</span><span id="line-373"> extractLabels(child, labels, notLabels);</span> |
| <span class="source-line-no">374</span><span id="line-374"> }</span> |
| <span class="source-line-no">375</span><span id="line-375"> }</span> |
| <span class="source-line-no">376</span><span id="line-376"> }</span> |
| <span class="source-line-no">377</span><span id="line-377"></span> |
| <span class="source-line-no">378</span><span id="line-378"> @Override</span> |
| <span class="source-line-no">379</span><span id="line-379"> public Configuration getConf() {</span> |
| <span class="source-line-no">380</span><span id="line-380"> return this.conf;</span> |
| <span class="source-line-no">381</span><span id="line-381"> }</span> |
| <span class="source-line-no">382</span><span id="line-382"></span> |
| <span class="source-line-no">383</span><span id="line-383"> @Override</span> |
| <span class="source-line-no">384</span><span id="line-384"> public void setConf(Configuration conf) {</span> |
| <span class="source-line-no">385</span><span id="line-385"> this.conf = conf;</span> |
| <span class="source-line-no">386</span><span id="line-386"> }</span> |
| <span class="source-line-no">387</span><span id="line-387"></span> |
| <span class="source-line-no">388</span><span id="line-388"> @Override</span> |
| <span class="source-line-no">389</span><span id="line-389"> public void init(RegionCoprocessorEnvironment e) throws IOException {</span> |
| <span class="source-line-no">390</span><span id="line-390"> this.scanLabelGenerators = VisibilityUtils.getScanLabelGenerators(this.conf);</span> |
| <span class="source-line-no">391</span><span id="line-391"> if (e.getRegion().getRegionInfo().getTable().equals(LABELS_TABLE_NAME)) {</span> |
| <span class="source-line-no">392</span><span id="line-392"> this.labelsRegion = e.getRegion();</span> |
| <span class="source-line-no">393</span><span id="line-393"> }</span> |
| <span class="source-line-no">394</span><span id="line-394"> }</span> |
| <span class="source-line-no">395</span><span id="line-395"></span> |
| <span class="source-line-no">396</span><span id="line-396"> @Override</span> |
| <span class="source-line-no">397</span><span id="line-397"> public boolean havingSystemAuth(User user) throws IOException {</span> |
| <span class="source-line-no">398</span><span id="line-398"> if (Superusers.isSuperUser(user)) {</span> |
| <span class="source-line-no">399</span><span id="line-399"> return true;</span> |
| <span class="source-line-no">400</span><span id="line-400"> }</span> |
| <span class="source-line-no">401</span><span id="line-401"> Set<String> auths = new HashSet<>();</span> |
| <span class="source-line-no">402</span><span id="line-402"> auths.addAll(this.getUserAuths(Bytes.toBytes(user.getShortName()), true));</span> |
| <span class="source-line-no">403</span><span id="line-403"> auths.addAll(this.getGroupAuths(user.getGroupNames(), true));</span> |
| <span class="source-line-no">404</span><span id="line-404"> return auths.contains(SYSTEM_LABEL);</span> |
| <span class="source-line-no">405</span><span id="line-405"> }</span> |
| <span class="source-line-no">406</span><span id="line-406"></span> |
| <span class="source-line-no">407</span><span id="line-407"> @Override</span> |
| <span class="source-line-no">408</span><span id="line-408"> public boolean matchVisibility(List<Tag> putTags, Byte putTagsFormat, List<Tag> deleteTags,</span> |
| <span class="source-line-no">409</span><span id="line-409"> Byte deleteTagsFormat) throws IOException {</span> |
| <span class="source-line-no">410</span><span id="line-410"> assert putTagsFormat == STRING_SERIALIZATION_FORMAT;</span> |
| <span class="source-line-no">411</span><span id="line-411"> assert deleteTagsFormat == STRING_SERIALIZATION_FORMAT;</span> |
| <span class="source-line-no">412</span><span id="line-412"> return checkForMatchingVisibilityTagsWithSortedOrder(putTags, deleteTags);</span> |
| <span class="source-line-no">413</span><span id="line-413"> }</span> |
| <span class="source-line-no">414</span><span id="line-414"></span> |
| <span class="source-line-no">415</span><span id="line-415"> private static boolean checkForMatchingVisibilityTagsWithSortedOrder(List<Tag> putVisTags,</span> |
| <span class="source-line-no">416</span><span id="line-416"> List<Tag> deleteVisTags) {</span> |
| <span class="source-line-no">417</span><span id="line-417"> // Early out if there are no tags in both of cell and delete</span> |
| <span class="source-line-no">418</span><span id="line-418"> if (putVisTags.isEmpty() && deleteVisTags.isEmpty()) {</span> |
| <span class="source-line-no">419</span><span id="line-419"> return true;</span> |
| <span class="source-line-no">420</span><span id="line-420"> }</span> |
| <span class="source-line-no">421</span><span id="line-421"> boolean matchFound = false;</span> |
| <span class="source-line-no">422</span><span id="line-422"> // If the size does not match. Definitely we are not comparing the equal</span> |
| <span class="source-line-no">423</span><span id="line-423"> // tags.</span> |
| <span class="source-line-no">424</span><span id="line-424"> if ((deleteVisTags.size()) == putVisTags.size()) {</span> |
| <span class="source-line-no">425</span><span id="line-425"> for (Tag tag : deleteVisTags) {</span> |
| <span class="source-line-no">426</span><span id="line-426"> matchFound = false;</span> |
| <span class="source-line-no">427</span><span id="line-427"> for (Tag givenTag : putVisTags) {</span> |
| <span class="source-line-no">428</span><span id="line-428"> if (Tag.matchingValue(tag, givenTag)) {</span> |
| <span class="source-line-no">429</span><span id="line-429"> matchFound = true;</span> |
| <span class="source-line-no">430</span><span id="line-430"> break;</span> |
| <span class="source-line-no">431</span><span id="line-431"> }</span> |
| <span class="source-line-no">432</span><span id="line-432"> }</span> |
| <span class="source-line-no">433</span><span id="line-433"> if (!matchFound) break;</span> |
| <span class="source-line-no">434</span><span id="line-434"> }</span> |
| <span class="source-line-no">435</span><span id="line-435"> }</span> |
| <span class="source-line-no">436</span><span id="line-436"> return matchFound;</span> |
| <span class="source-line-no">437</span><span id="line-437"> }</span> |
| <span class="source-line-no">438</span><span id="line-438"></span> |
| <span class="source-line-no">439</span><span id="line-439"> @Override</span> |
| <span class="source-line-no">440</span><span id="line-440"> public byte[] encodeVisibilityForReplication(final List<Tag> tags, final Byte serializationFormat)</span> |
| <span class="source-line-no">441</span><span id="line-441"> throws IOException {</span> |
| <span class="source-line-no">442</span><span id="line-442"> if (</span> |
| <span class="source-line-no">443</span><span id="line-443"> tags.size() > 0</span> |
| <span class="source-line-no">444</span><span id="line-444"> && (serializationFormat == null || serializationFormat == STRING_SERIALIZATION_FORMAT)</span> |
| <span class="source-line-no">445</span><span id="line-445"> ) {</span> |
| <span class="source-line-no">446</span><span id="line-446"> return createModifiedVisExpression(tags);</span> |
| <span class="source-line-no">447</span><span id="line-447"> }</span> |
| <span class="source-line-no">448</span><span id="line-448"> return null;</span> |
| <span class="source-line-no">449</span><span id="line-449"> }</span> |
| <span class="source-line-no">450</span><span id="line-450"></span> |
| <span class="source-line-no">451</span><span id="line-451"> /**</span> |
| <span class="source-line-no">452</span><span id="line-452"> * @param tags - all the tags associated with the current Cell</span> |
| <span class="source-line-no">453</span><span id="line-453"> * @return - the modified visibility expression as byte[]</span> |
| <span class="source-line-no">454</span><span id="line-454"> */</span> |
| <span class="source-line-no">455</span><span id="line-455"> private byte[] createModifiedVisExpression(final List<Tag> tags) throws IOException {</span> |
| <span class="source-line-no">456</span><span id="line-456"> StringBuilder visibilityString = new StringBuilder();</span> |
| <span class="source-line-no">457</span><span id="line-457"> for (Tag tag : tags) {</span> |
| <span class="source-line-no">458</span><span id="line-458"> if (tag.getType() == TagType.VISIBILITY_TAG_TYPE) {</span> |
| <span class="source-line-no">459</span><span id="line-459"> if (visibilityString.length() != 0) {</span> |
| <span class="source-line-no">460</span><span id="line-460"> visibilityString</span> |
| <span class="source-line-no">461</span><span id="line-461"> .append(VisibilityConstants.CLOSED_PARAN + VisibilityConstants.OR_OPERATOR);</span> |
| <span class="source-line-no">462</span><span id="line-462"> }</span> |
| <span class="source-line-no">463</span><span id="line-463"> int offset = tag.getValueOffset();</span> |
| <span class="source-line-no">464</span><span id="line-464"> int endOffset = offset + tag.getValueLength();</span> |
| <span class="source-line-no">465</span><span id="line-465"> boolean expressionStart = true;</span> |
| <span class="source-line-no">466</span><span id="line-466"> while (offset < endOffset) {</span> |
| <span class="source-line-no">467</span><span id="line-467"> short len = getTagValuePartAsShort(tag, offset);</span> |
| <span class="source-line-no">468</span><span id="line-468"> offset += 2;</span> |
| <span class="source-line-no">469</span><span id="line-469"> if (len < 0) {</span> |
| <span class="source-line-no">470</span><span id="line-470"> len = (short) (-1 * len);</span> |
| <span class="source-line-no">471</span><span id="line-471"> String label = getTagValuePartAsString(tag, offset, len);</span> |
| <span class="source-line-no">472</span><span id="line-472"> if (expressionStart) {</span> |
| <span class="source-line-no">473</span><span id="line-473"> visibilityString.append(VisibilityConstants.OPEN_PARAN</span> |
| <span class="source-line-no">474</span><span id="line-474"> + VisibilityConstants.NOT_OPERATOR + CellVisibility.quote(label));</span> |
| <span class="source-line-no">475</span><span id="line-475"> } else {</span> |
| <span class="source-line-no">476</span><span id="line-476"> visibilityString.append(VisibilityConstants.AND_OPERATOR</span> |
| <span class="source-line-no">477</span><span id="line-477"> + VisibilityConstants.NOT_OPERATOR + CellVisibility.quote(label));</span> |
| <span class="source-line-no">478</span><span id="line-478"> }</span> |
| <span class="source-line-no">479</span><span id="line-479"> } else {</span> |
| <span class="source-line-no">480</span><span id="line-480"> String label = getTagValuePartAsString(tag, offset, len);</span> |
| <span class="source-line-no">481</span><span id="line-481"> if (expressionStart) {</span> |
| <span class="source-line-no">482</span><span id="line-482"> visibilityString.append(VisibilityConstants.OPEN_PARAN + CellVisibility.quote(label));</span> |
| <span class="source-line-no">483</span><span id="line-483"> } else {</span> |
| <span class="source-line-no">484</span><span id="line-484"> visibilityString</span> |
| <span class="source-line-no">485</span><span id="line-485"> .append(VisibilityConstants.AND_OPERATOR + CellVisibility.quote(label));</span> |
| <span class="source-line-no">486</span><span id="line-486"> }</span> |
| <span class="source-line-no">487</span><span id="line-487"> }</span> |
| <span class="source-line-no">488</span><span id="line-488"> expressionStart = false;</span> |
| <span class="source-line-no">489</span><span id="line-489"> offset += len;</span> |
| <span class="source-line-no">490</span><span id="line-490"> }</span> |
| <span class="source-line-no">491</span><span id="line-491"> }</span> |
| <span class="source-line-no">492</span><span id="line-492"> }</span> |
| <span class="source-line-no">493</span><span id="line-493"> if (visibilityString.length() != 0) {</span> |
| <span class="source-line-no">494</span><span id="line-494"> visibilityString.append(VisibilityConstants.CLOSED_PARAN);</span> |
| <span class="source-line-no">495</span><span id="line-495"> // Return the string formed as byte[]</span> |
| <span class="source-line-no">496</span><span id="line-496"> return Bytes.toBytes(visibilityString.toString());</span> |
| <span class="source-line-no">497</span><span id="line-497"> }</span> |
| <span class="source-line-no">498</span><span id="line-498"> return null;</span> |
| <span class="source-line-no">499</span><span id="line-499"> }</span> |
| <span class="source-line-no">500</span><span id="line-500"></span> |
| <span class="source-line-no">501</span><span id="line-501"> private static short getTagValuePartAsShort(Tag t, int offset) {</span> |
| <span class="source-line-no">502</span><span id="line-502"> if (t.hasArray()) {</span> |
| <span class="source-line-no">503</span><span id="line-503"> return Bytes.toShort(t.getValueArray(), offset);</span> |
| <span class="source-line-no">504</span><span id="line-504"> }</span> |
| <span class="source-line-no">505</span><span id="line-505"> return ByteBufferUtils.toShort(t.getValueByteBuffer(), offset);</span> |
| <span class="source-line-no">506</span><span id="line-506"> }</span> |
| <span class="source-line-no">507</span><span id="line-507"></span> |
| <span class="source-line-no">508</span><span id="line-508"> private static String getTagValuePartAsString(Tag t, int offset, int length) {</span> |
| <span class="source-line-no">509</span><span id="line-509"> if (t.hasArray()) {</span> |
| <span class="source-line-no">510</span><span id="line-510"> return Bytes.toString(t.getValueArray(), offset, length);</span> |
| <span class="source-line-no">511</span><span id="line-511"> }</span> |
| <span class="source-line-no">512</span><span id="line-512"> byte[] b = new byte[length];</span> |
| <span class="source-line-no">513</span><span id="line-513"> ByteBufferUtils.copyFromBufferToArray(b, t.getValueByteBuffer(), offset, 0, length);</span> |
| <span class="source-line-no">514</span><span id="line-514"> return Bytes.toString(b);</span> |
| <span class="source-line-no">515</span><span id="line-515"> }</span> |
| <span class="source-line-no">516</span><span id="line-516">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
