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| <pre><span class="sourceLineNo">001</span><a name="line.1">/*</a> |
| <span class="sourceLineNo">002</span><a name="line.2"> * Licensed to the Apache Software Foundation (ASF) under one or more</a> |
| <span class="sourceLineNo">003</span><a name="line.3"> * contributor license agreements. See the NOTICE file distributed with</a> |
| <span class="sourceLineNo">004</span><a name="line.4"> * this work for additional information regarding copyright ownership.</a> |
| <span class="sourceLineNo">005</span><a name="line.5"> * The ASF licenses this file to You under the Apache license, Version 2.0</a> |
| <span class="sourceLineNo">006</span><a name="line.6"> * (the "License"); you may not use this file except in compliance with</a> |
| <span class="sourceLineNo">007</span><a name="line.7"> * the License. You may obtain a copy of the License at</a> |
| <span class="sourceLineNo">008</span><a name="line.8"> *</a> |
| <span class="sourceLineNo">009</span><a name="line.9"> * http://www.apache.org/licenses/LICENSE-2.0</a> |
| <span class="sourceLineNo">010</span><a name="line.10"> *</a> |
| <span class="sourceLineNo">011</span><a name="line.11"> * Unless required by applicable law or agreed to in writing, software</a> |
| <span class="sourceLineNo">012</span><a name="line.12"> * distributed under the License is distributed on an "AS IS" BASIS,</a> |
| <span class="sourceLineNo">013</span><a name="line.13"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</a> |
| <span class="sourceLineNo">014</span><a name="line.14"> * See the license for the specific language governing permissions and</a> |
| <span class="sourceLineNo">015</span><a name="line.15"> * limitations under the license.</a> |
| <span class="sourceLineNo">016</span><a name="line.16"> */</a> |
| <span class="sourceLineNo">017</span><a name="line.17">package org.apache.logging.log4j.spring.cloud.config.client;</a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19">import java.io.File;</a> |
| <span class="sourceLineNo">020</span><a name="line.20">import java.io.IOException;</a> |
| <span class="sourceLineNo">021</span><a name="line.21">import java.net.URISyntaxException;</a> |
| <span class="sourceLineNo">022</span><a name="line.22">import java.net.URL;</a> |
| <span class="sourceLineNo">023</span><a name="line.23">import java.net.URLConnection;</a> |
| <span class="sourceLineNo">024</span><a name="line.24">import java.util.Arrays;</a> |
| <span class="sourceLineNo">025</span><a name="line.25">import java.util.List;</a> |
| <span class="sourceLineNo">026</span><a name="line.26">import java.util.Properties;</a> |
| <span class="sourceLineNo">027</span><a name="line.27">import javax.net.ssl.HttpsURLConnection;</a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29">import org.apache.logging.log4j.LogManager;</a> |
| <span class="sourceLineNo">030</span><a name="line.30">import org.apache.logging.log4j.core.LoggerContext;</a> |
| <span class="sourceLineNo">031</span><a name="line.31">import org.apache.logging.log4j.core.config.ConfigurationFactory;</a> |
| <span class="sourceLineNo">032</span><a name="line.32">import org.apache.logging.log4j.core.config.ConfigurationSource;</a> |
| <span class="sourceLineNo">033</span><a name="line.33">import org.apache.logging.log4j.core.net.ssl.LaxHostnameVerifier;</a> |
| <span class="sourceLineNo">034</span><a name="line.34">import org.apache.logging.log4j.core.net.ssl.SslConfiguration;</a> |
| <span class="sourceLineNo">035</span><a name="line.35">import org.apache.logging.log4j.core.net.ssl.SslConfigurationFactory;</a> |
| <span class="sourceLineNo">036</span><a name="line.36">import org.apache.logging.log4j.core.util.AuthorizationProvider;</a> |
| <span class="sourceLineNo">037</span><a name="line.37">import org.apache.logging.log4j.core.util.BasicAuthorizationProvider;</a> |
| <span class="sourceLineNo">038</span><a name="line.38">import org.apache.logging.log4j.core.util.FileUtils;</a> |
| <span class="sourceLineNo">039</span><a name="line.39">import org.apache.logging.log4j.util.PropertiesUtil;</a> |
| <span class="sourceLineNo">040</span><a name="line.40">import org.springframework.boot.logging.LogFile;</a> |
| <span class="sourceLineNo">041</span><a name="line.41">import org.springframework.boot.logging.LoggingInitializationContext;</a> |
| <span class="sourceLineNo">042</span><a name="line.42">import org.springframework.boot.logging.log4j2.Log4J2LoggingSystem;</a> |
| <span class="sourceLineNo">043</span><a name="line.43">import org.springframework.util.Assert;</a> |
| <span class="sourceLineNo">044</span><a name="line.44">import org.springframework.util.ClassUtils;</a> |
| <span class="sourceLineNo">045</span><a name="line.45">import org.springframework.util.ResourceUtils;</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><a name="line.48"> * Override Spring's implementation of the Log4j 2 Logging System to properly support Spring Cloud Config.</a> |
| <span class="sourceLineNo">049</span><a name="line.49"> */</a> |
| <span class="sourceLineNo">050</span><a name="line.50">public class Log4j2CloudConfigLoggingSystem extends Log4J2LoggingSystem {</a> |
| <span class="sourceLineNo">051</span><a name="line.51"> private static final String HTTPS = "https";</a> |
| <span class="sourceLineNo">052</span><a name="line.52"> public static final String ENVIRONMENT_KEY = "SpringEnvironment";</a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"> public Log4j2CloudConfigLoggingSystem(ClassLoader loader) {</a> |
| <span class="sourceLineNo">055</span><a name="line.55"> super(loader);</a> |
| <span class="sourceLineNo">056</span><a name="line.56"> }</a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"> /**</a> |
| <span class="sourceLineNo">059</span><a name="line.59"> * Set the environment into the ExternalContext field so that it can be obtained by SpringLookup when it</a> |
| <span class="sourceLineNo">060</span><a name="line.60"> * is constructed. Spring will replace the ExternalContext field with a String once initialization is</a> |
| <span class="sourceLineNo">061</span><a name="line.61"> * complete.</a> |
| <span class="sourceLineNo">062</span><a name="line.62"> * @param initializationContext The initialization context.</a> |
| <span class="sourceLineNo">063</span><a name="line.63"> * @param configLocation The configuration location.</a> |
| <span class="sourceLineNo">064</span><a name="line.64"> * @param logFile the log file.</a> |
| <span class="sourceLineNo">065</span><a name="line.65"> */</a> |
| <span class="sourceLineNo">066</span><a name="line.66"> @Override</a> |
| <span class="sourceLineNo">067</span><a name="line.67"> public void initialize(LoggingInitializationContext initializationContext, String configLocation, LogFile logFile) {</a> |
| <span class="sourceLineNo">068</span><a name="line.68"> getLoggerContext().putObjectIfAbsent(ENVIRONMENT_KEY, initializationContext.getEnvironment());</a> |
| <span class="sourceLineNo">069</span><a name="line.69"> super.initialize(initializationContext, configLocation, logFile);</a> |
| <span class="sourceLineNo">070</span><a name="line.70"> }</a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"> @Override</a> |
| <span class="sourceLineNo">073</span><a name="line.73"> protected String[] getStandardConfigLocations() {</a> |
| <span class="sourceLineNo">074</span><a name="line.74"> String[] locations = super.getStandardConfigLocations();</a> |
| <span class="sourceLineNo">075</span><a name="line.75"> PropertiesUtil props = new PropertiesUtil(new Properties());</a> |
| <span class="sourceLineNo">076</span><a name="line.76"> String location = props.getStringProperty(ConfigurationFactory.CONFIGURATION_FILE_PROPERTY);</a> |
| <span class="sourceLineNo">077</span><a name="line.77"> if (location != null) {</a> |
| <span class="sourceLineNo">078</span><a name="line.78"> List<String> list = Arrays.asList(super.getStandardConfigLocations());</a> |
| <span class="sourceLineNo">079</span><a name="line.79"> list.add(location);</a> |
| <span class="sourceLineNo">080</span><a name="line.80"> locations = list.toArray(new String[0]);</a> |
| <span class="sourceLineNo">081</span><a name="line.81"> }</a> |
| <span class="sourceLineNo">082</span><a name="line.82"> return locations;</a> |
| <span class="sourceLineNo">083</span><a name="line.83"> }</a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"> @Override</a> |
| <span class="sourceLineNo">086</span><a name="line.86"> protected void loadDefaults(LoggingInitializationContext initializationContext, LogFile logFile) {</a> |
| <span class="sourceLineNo">087</span><a name="line.87"> if (logFile != null) {</a> |
| <span class="sourceLineNo">088</span><a name="line.88"> this.loadConfiguration(this.getBootPackagedConfigFile("log4j2-file.xml"), logFile);</a> |
| <span class="sourceLineNo">089</span><a name="line.89"> } else {</a> |
| <span class="sourceLineNo">090</span><a name="line.90"> this.loadConfiguration(this.getBootPackagedConfigFile("log4j2.xml"), logFile);</a> |
| <span class="sourceLineNo">091</span><a name="line.91"> }</a> |
| <span class="sourceLineNo">092</span><a name="line.92"> }</a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"> private String getBootPackagedConfigFile(String fileName) {</a> |
| <span class="sourceLineNo">095</span><a name="line.95"> String defaultPath = ClassUtils.getPackageName(Log4J2LoggingSystem.class);</a> |
| <span class="sourceLineNo">096</span><a name="line.96"> defaultPath = defaultPath.replace('.', '/');</a> |
| <span class="sourceLineNo">097</span><a name="line.97"> defaultPath = defaultPath + "/" + fileName;</a> |
| <span class="sourceLineNo">098</span><a name="line.98"> defaultPath = "classpath:" + defaultPath;</a> |
| <span class="sourceLineNo">099</span><a name="line.99"> return defaultPath;</a> |
| <span class="sourceLineNo">100</span><a name="line.100"> }</a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"> @Override</a> |
| <span class="sourceLineNo">103</span><a name="line.103"> protected void loadConfiguration(String location, LogFile logFile) {</a> |
| <span class="sourceLineNo">104</span><a name="line.104"> Assert.notNull(location, "Location must not be null");</a> |
| <span class="sourceLineNo">105</span><a name="line.105"> try {</a> |
| <span class="sourceLineNo">106</span><a name="line.106"> LoggerContext ctx = getLoggerContext();</a> |
| <span class="sourceLineNo">107</span><a name="line.107"> URL url = ResourceUtils.getURL(location);</a> |
| <span class="sourceLineNo">108</span><a name="line.108"> ConfigurationSource source = getConfigurationSource(url);</a> |
| <span class="sourceLineNo">109</span><a name="line.109"> ctx.start(ConfigurationFactory.getInstance().getConfiguration(ctx, source));</a> |
| <span class="sourceLineNo">110</span><a name="line.110"> }</a> |
| <span class="sourceLineNo">111</span><a name="line.111"> catch (Exception ex) {</a> |
| <span class="sourceLineNo">112</span><a name="line.112"> throw new IllegalStateException(</a> |
| <span class="sourceLineNo">113</span><a name="line.113"> "Could not initialize Log4J2 logging from " + location, ex);</a> |
| <span class="sourceLineNo">114</span><a name="line.114"> }</a> |
| <span class="sourceLineNo">115</span><a name="line.115"> }</a> |
| <span class="sourceLineNo">116</span><a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"> @Override</a> |
| <span class="sourceLineNo">118</span><a name="line.118"> public void cleanUp() {</a> |
| <span class="sourceLineNo">119</span><a name="line.119"> getLoggerContext().removeObject(ENVIRONMENT_KEY);</a> |
| <span class="sourceLineNo">120</span><a name="line.120"> super.cleanUp();</a> |
| <span class="sourceLineNo">121</span><a name="line.121"> }</a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"> private ConfigurationSource getConfigurationSource(URL url) throws IOException, URISyntaxException {</a> |
| <span class="sourceLineNo">124</span><a name="line.124"> URLConnection urlConnection = url.openConnection();</a> |
| <span class="sourceLineNo">125</span><a name="line.125"> AuthorizationProvider provider = ConfigurationFactory.authorizationProvider(PropertiesUtil.getProperties());</a> |
| <span class="sourceLineNo">126</span><a name="line.126"> provider.addAuthorization(urlConnection);</a> |
| <span class="sourceLineNo">127</span><a name="line.127"> if (url.getProtocol().equals(HTTPS)) {</a> |
| <span class="sourceLineNo">128</span><a name="line.128"> SslConfiguration sslConfiguration = SslConfigurationFactory.getSslConfiguration();</a> |
| <span class="sourceLineNo">129</span><a name="line.129"> if (sslConfiguration != null) {</a> |
| <span class="sourceLineNo">130</span><a name="line.130"> ((HttpsURLConnection) urlConnection).setSSLSocketFactory(sslConfiguration.getSslSocketFactory());</a> |
| <span class="sourceLineNo">131</span><a name="line.131"> if (!sslConfiguration.isVerifyHostName()) {</a> |
| <span class="sourceLineNo">132</span><a name="line.132"> ((HttpsURLConnection) urlConnection).setHostnameVerifier(LaxHostnameVerifier.INSTANCE);</a> |
| <span class="sourceLineNo">133</span><a name="line.133"> }</a> |
| <span class="sourceLineNo">134</span><a name="line.134"> }</a> |
| <span class="sourceLineNo">135</span><a name="line.135"> }</a> |
| <span class="sourceLineNo">136</span><a name="line.136"> File file = FileUtils.fileFromUri(url.toURI());</a> |
| <span class="sourceLineNo">137</span><a name="line.137"> if (file != null) {</a> |
| <span class="sourceLineNo">138</span><a name="line.138"> return new ConfigurationSource(urlConnection.getInputStream(), FileUtils.fileFromUri(url.toURI()));</a> |
| <span class="sourceLineNo">139</span><a name="line.139"> } else {</a> |
| <span class="sourceLineNo">140</span><a name="line.140"> return new ConfigurationSource(urlConnection.getInputStream(), url, urlConnection.getLastModified());</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><a name="line.143"></a> |
| <span class="sourceLineNo">144</span><a name="line.144"> private LoggerContext getLoggerContext() {</a> |
| <span class="sourceLineNo">145</span><a name="line.145"> return (LoggerContext) LogManager.getContext(false);</a> |
| <span class="sourceLineNo">146</span><a name="line.146"> }</a> |
| <span class="sourceLineNo">147</span><a name="line.147">}</a> |
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