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Custom error pages
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This commit is contained in:
zzz
2025-06-03 10:39:23 -04:00
parent bf5792f2ea
commit b8121336d8
1 changed files with 34 additions and 0 deletions
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34
apps/jetty/java/src/net/i2p/servlet/I2PErrorHandler.java
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@ -5,6 +5,7 @@ import java.io.File;
import org.eclipse.jetty.ee8.servlet.ErrorPageErrorHandler;
import net.i2p.I2PAppContext;
import net.i2p.util.FileSuffixFilter;
/**
* Customize the error page.
@ -14,6 +15,7 @@ import net.i2p.I2PAppContext;
public class I2PErrorHandler extends ErrorPageErrorHandler
{
private final File _docroot;
private static final String RESOURCES = ".resources";
public I2PErrorHandler() {
this(new File(I2PAppContext.getGlobalContext().getConfigDir(), "eepsite/docroot"));
@ -28,6 +30,38 @@ public class I2PErrorHandler extends ErrorPageErrorHandler
_docroot = docroot;
setShowServlet(false);
setShowStacks(false);
setErrorPages();
}
/*
* Add error pages for any nnn.html files found.
* Also for the special files 000.html (default), 4xx.html, and 5xx.html.
*/
private void setErrorPages() {
File dir = new File(_docroot, RESOURCES);
if (!dir.isDirectory())
return;
File[] files = dir.listFiles(new FileSuffixFilter(".html"));
if (files == null)
return;
for (File file : files) {
String name = file.getName();
if (name.equals("000.html")) {
addErrorPage(GLOBAL_ERROR_PAGE, '/' + RESOURCES + "/000.html");
} else if (name.equals("4xx.html")) {
addErrorPage(400, 499, '/' + RESOURCES + "/4xx.html");
} else if (name.equals("5xx.html")) {
addErrorPage(500, 599, '/' + RESOURCES + "/5xx.html");
} else if (name.length() == 8 && (name.startsWith("4") || name.startsWith("5"))) {
int code;
try {
code = Integer.parseInt(name.substring(0, 3));
} catch (NumberFormatException nfe) {
continue;
}
addErrorPage(code, '/' + RESOURCES + '/' + name);
}
}
}
// TODO Overrides