001package org.hl7.fhir.r5.context;
002
003/*
004  Copyright (c) 2011+, HL7, Inc.
005  All rights reserved.
006  
007  Redistribution and use in source and binary forms, with or without modification, 
008  are permitted provided that the following conditions are met:
009    
010   * Redistributions of source code must retain the above copyright notice, this 
011     list of conditions and the following disclaimer.
012   * Redistributions in binary form must reproduce the above copyright notice, 
013     this list of conditions and the following disclaimer in the documentation 
014     and/or other materials provided with the distribution.
015   * Neither the name of HL7 nor the names of its contributors may be used to 
016     endorse or promote products derived from this software without specific 
017     prior written permission.
018  
019  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
020  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
021  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
022  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
023  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
024  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
025  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
026  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
027  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
028  POSSIBILITY OF SUCH DAMAGE.
029  
030 */
031
032import java.io.FileNotFoundException;
033import java.io.FileOutputStream;
034import java.io.IOException;
035import java.io.PrintStream;
036import java.io.UnsupportedEncodingException;
037import java.nio.charset.StandardCharsets;
038import java.util.Arrays;
039import java.util.List;
040
041import lombok.extern.slf4j.Slf4j;
042import org.hl7.fhir.utilities.MarkedToMoveToAdjunctPackage;
043import org.hl7.fhir.utilities.ToolingClientLogger;
044import org.hl7.fhir.utilities.Utilities;
045import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
046
047@MarkedToMoveToAdjunctPackage
048@Slf4j
049public class HTMLClientLogger extends BaseLogger implements ToolingClientLogger {
050  
051  private boolean req = false;
052  private PrintStream file;
053
054  public HTMLClientLogger(String log) throws IOException {
055    if (log != null) {
056      try {
057        file = new PrintStream(ManagedFileAccess.outStream(log));
058      } catch (FileNotFoundException e) {
059      }
060    }
061  }
062
063  @Override
064  public void logRequest(String method, String url, List<String> headers, byte[] body) {
065
066    log.debug(" txlog req: " +method+" "+url+" "+present(body));
067
068    if (file == null)
069      return;
070    String id = nextId();
071    file.println("<hr/><a name=\"l"+id+"\"> </a>");
072    file.println("<p>#"+id+"</p>");
073    file.println("<pre>");
074    file.println(method+" "+url+" HTTP/1.0");
075    if (headers != null) {
076      for (String s : headers) {
077        if (s.startsWith("Api-Key")) {
078          file.println("Api-Key: xxxxxxxxxxxxxxxx");
079        } else {
080          file.println(s);
081        }
082      }
083    }
084    if (body != null) {
085      if (body.length > 100000) {
086        body = Arrays.copyOf(body, 100000);
087      }
088      file.println("");
089      file.println(Utilities.escapeXmlText(new String(body, StandardCharsets.UTF_8)));
090    }
091    file.println("</pre>");
092    req = true;
093  }
094
095  @Override
096  public void logResponse(String outcome, List<String> headers, byte[] body, long start) {
097
098    log.debug(" txlog resp: " +outcome+" "+present(body));
099
100
101    if (file == null)
102      return;
103    if (!req) {
104      log.info("Record Response without request");
105    }
106    req = false;
107    file.println("<pre>");
108    file.println(outcome);
109    for (String s : headers)  
110      file.println(Utilities.escapeXml(s));
111    if (body != null) {
112      file.println("");
113      try {
114        file.println(Utilities.escapeXml(new String(body, "UTF-8")));
115      } catch (UnsupportedEncodingException e) {
116      }
117    }
118    file.println("</pre>");
119  }
120
121  private String present(byte[] body) {
122    if (body == null) {
123      return "";
124    }
125    String cnt = new String(body);
126    cnt = cnt.replace("\n", " ").replace("\r", "");
127    if (cnt.length() > 800) {
128      return cnt.substring(0, 798)+"...";
129    } else {
130      return cnt;
131    }
132  }
133
134
135}