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* jars.jsp: New debug page

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zzz
2012-01-14 17:49:47 +00:00
parent c54b3a08b8
commit eb2830b8f3
4 changed files with 210 additions and 1 deletions
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182
apps/routerconsole/java/src/net/i2p/router/web/FileDumpHelper.java Normal file
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package net.i2p.router.web;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.IOException;
import java.lang.ClassLoader;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.MessageDigest;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.jar.Attributes;
import java.util.jar.Manifest;
import net.i2p.crypto.SHA256Generator;
import net.i2p.data.DataHelper;
/**
* Dump info on jars and wars
*
* @since 0.8.13
*/
public class FileDumpHelper extends HelperBase {
public String getFileSummary() {
StringBuilder buf = new StringBuilder(16*1024);
buf.append("<table><tr><th>File</th><th>Size</th><th>Date</th><th>SHA 256</th><th>Revision</th>" +
"<th>JDK</th><th>Built</th><th>Mods</th></tr>");
// jars added in wrapper.config
URLClassLoader urlClassLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
URL[] urls = urlClassLoader.getURLs();
List<File> flist = new ArrayList();
for (int i = 0; i < urls.length; i++) {
String p = urls[i].toString();
if (p.startsWith("file:") && p.endsWith(".jar")) {
p = p.substring(5);
if (!(p.startsWith(_context.getBaseDir().getAbsolutePath()) ||
p.startsWith(_context.getConfigDir().getAbsolutePath()))) {
flist.add(new File(p));
}
}
}
Collections.sort(flist);
for (File f : flist) {
dumpFile(buf, f);
}
// our jars
File dir = new File(_context.getBaseDir(), "lib");
dumpDir(buf, dir, ".jar");
// our wars
dir = new File(_context.getBaseDir(), "webapps");
dumpDir(buf, dir, ".war");
// plugins
File pluginDir = new File(_context.getConfigDir(), PluginUpdateHandler.PLUGIN_DIR);
File[] files = pluginDir.listFiles();
if (files != null) {
Arrays.sort(files);
for (int i = 0; i < files.length; i++) {
dir = new File(files[i], "lib");
dumpDir(buf, dir, ".jar");
dir = new File(files[i], "console/webapps");
dumpDir(buf, dir, ".war");
}
}
buf.append("</table>");
return buf.toString();
}
private static void dumpDir(StringBuilder buf, File dir, String suffix) {
File[] files = dir.listFiles();
if (files == null)
return;
Arrays.sort(files);
for (int i = 0; i < files.length; i++) {
if (files[i].getName().endsWith(suffix))
dumpFile(buf, files[i]);
}
}
private static void dumpFile(StringBuilder buf, File f) {
buf.append("<tr><td><b>").append(f.getAbsolutePath()).append("</b></td>" +
"<td align=\"right\">").append(f.length()).append("</td>" +
"<td>");
long mod = f.lastModified();
if (mod > 0)
buf.append((new Date(mod)).toString());
else
buf.append("<font color=\"red\">Not found</font>");
buf.append("</td><td>");
byte[] hash = sha256(f);
if (hash != null) {
byte[] hh = new byte[16];
System.arraycopy(hash, 0, hh, 0, 16);
buf.append("<tt>");
String p1 = DataHelper.toHexString(hh);
for (int i = p1.length(); i < 32; i++) {
buf.append('0');
}
buf.append(p1).append("</tt><br>");
System.arraycopy(hash, 16, hh, 0, 16);
buf.append("<tt>").append(DataHelper.toHexString(hh)).append("</tt>");
}
Attributes att = attributes(f);
if (att == null)
att = new Attributes();
buf.append("<td align=\"center\">");
String s = getAtt(att, "Base-Revision");
if (s != null && s.length() > 20) {
buf.append("<a href=\"http://stats.i2p/cgi-bin/viewmtn/revision/info/").append(s)
.append("\">" +
"<tt>").append(s.substring(0, 20)).append("</tt>" +
"<br>" +
"<tt>").append(s.substring(20)).append("</tt></a>");
} else {
s = getAtt(att, "Implementation-Version");
if (s != null)
buf.append("<b>").append(s).append("</b>");
}
buf.append("</td><td>");
s = getAtt(att, "Created-By");
if (s != null)
buf.append(s);
buf.append("</td><td>");
s = getAtt(att, "Build-Date");
if (s != null)
buf.append(s);
buf.append("</td><td><font color=\"red\">");
s = getAtt(att, "Workspace-Changes");
if (s != null)
buf.append(s.replace(",", "<br>"));
buf.append("</font></td>");
}
private static byte[] sha256(File f) {
InputStream in = null;
try {
in = new FileInputStream(f);
MessageDigest md = SHA256Generator.getDigestInstance();
byte[] b = new byte[4096];
int cnt = 0;
while ((cnt = in.read(b)) >= 0) {
md.update(b, 0, cnt);
}
return md.digest();
} catch (IOException ioe) {
//ioe.printStackTrace();
return null;
} finally {
if (in != null) try { in.close(); } catch (IOException e) {}
}
}
private static Attributes attributes(File f) {
InputStream in = null;
try {
in = (new URL("jar:file:" + f.getAbsolutePath() + "!/META-INF/MANIFEST.MF")).openStream();
Manifest man = new Manifest(in);
return man.getMainAttributes();
} catch (IOException ioe) {
//ioe.printStackTrace();
return null;
} finally {
if (in != null) try { in.close(); } catch (IOException e) {}
}
}
private static String getAtt(Attributes atts, String s) {
String rv = atts.getValue(s);
if (rv != null)
rv = DataHelper.stripHTML(rv);
return rv;
}
}