public Writer getErrorReport(
Writer to, final HttpServletRequest request, CharTransformer escape) throws IOException {
final Writer logMsg = new StringWriter();
final Writer tee = new org.mmbase.util.ChainedWriter(to, logMsg);
Writer msg = tee;
LinkedList<Throwable> stack = getStack();
String ticket = new Date().toString();
Map<String, String> props;
try {
props = org.mmbase.util.ApplicationContextReader.getProperties("mmbase_errorpage");
} catch (javax.naming.NamingException ne) {
props = Collections.emptyMap();
log.info(ne);
}
if (request != null) {
{
msg.append("Headers\n----------\n");
// request properties
for (Object name : Collections.list(request.getHeaderNames())) {
msg.append(
escape.transform(
name + ": " + escape.transform(request.getHeader((String) name)) + "\n"));
}
}
{
msg.append("\nAttributes\n----------\n");
Pattern p = requestIgnore;
if (p == null && props.get("request_ignore") != null) {
p = Pattern.compile(props.get("request_ignore"));
}
for (Object name : Collections.list(request.getAttributeNames())) {
if (p == null || !p.matcher((String) name).matches()) {
msg.append(
escape.transform(name + ": " + request.getAttribute((String) name) + "\n"));
}
}
}
if (Boolean.TRUE.equals(showSession)
|| (showSession == null && !"false".equals(props.get("show_session")))) {
HttpSession ses = request.getSession(false);
if (ses != null) {
msg.append("\nSession\n----------\n");
Pattern p = sessionIgnore;
if (p == null && props.get("session_ignore") != null) {
p = Pattern.compile(props.get("session_ignore"));
}
for (Object name : Collections.list(ses.getAttributeNames())) {
if (p == null || !p.matcher((String) name).matches()) {
msg.append(escape.transform(name + ": " + ses.getAttribute((String) name) + "\n"));
}
}
}
}
}
msg.append("\n");
msg.append("Misc. properties\n----------\n");
if (request != null) {
msg.append("method: ").append(escape.transform(request.getMethod())).append("\n");
msg.append("querystring: ").append(escape.transform(request.getQueryString())).append("\n");
msg.append("requesturl: ")
.append(escape.transform(request.getRequestURL().toString()))
.append("\n");
}
if (Boolean.TRUE.equals(showMMBaseVersion)
|| (showMMBaseVersion == null && !"false".equals(props.get("show_mmbase_version")))) {
msg.append("mmbase version: ").append(org.mmbase.Version.get()).append("\n");
}
msg.append("status: ").append("").append(String.valueOf(status)).append("\n\n");
if (request != null) {
msg.append("Parameters\n----------\n");
// request parameters
Enumeration en = request.getParameterNames();
while (en.hasMoreElements()) {
String name = (String) en.nextElement();
msg.append(name)
.append(": ")
.append(escape.transform(request.getParameter(name)))
.append("\n");
}
}
msg.append("\nException ")
.append(ticket)
.append("\n----------\n\n")
.append(
exception != null
? (escape.transform(exception.getClass().getName()))
: "NO EXCEPTION")
.append(": ");
int wroteCauses = 0;
while (!stack.isEmpty()) {
Throwable t = stack.removeFirst();
// add stack stacktraces
if (t != null) {
if (stack.isEmpty()) { // write last message always
msg = tee;
}
String message = t.getMessage();
if (msg != tee) {
to.append("\n=== skipped(see log) : ")
.append(escape.transform(t.getClass().getName()))
.append(": ")
.append(message)
.append("\n");
}
msg.append("\n\n").append(escape.transform(t.getClass().getName() + ": " + message));
StackTraceElement[] stackTrace = t.getStackTrace();
for (StackTraceElement e : stackTrace) {
msg.append("\n at ").append(escape.transform(e.toString()));
}
if (!stack.isEmpty()) {
msg.append("\n-------caused:\n");
}
wroteCauses++;
if (wroteCauses >= MAX_CAUSES) {
msg = logMsg;
}
}
}
// write errors to log
if (status == 500) {
try {
if (props.get("to") != null && props.get("to").length() > 0) {
javax.naming.Context initCtx = new javax.naming.InitialContext();
javax.naming.Context envCtx = (javax.naming.Context) initCtx.lookup("java:comp/env");
Object mailSession = envCtx.lookup("mail/Session");
Class sessionClass = Class.forName("javax.mail.Session");
Class recipientTypeClass = Class.forName("javax.mail.Message$RecipientType");
Class messageClass = Class.forName("javax.mail.internet.MimeMessage");
Object mail = messageClass.getConstructor(sessionClass).newInstance(mailSession);
messageClass
.getMethod("addRecipients", recipientTypeClass, String.class)
.invoke(mail, recipientTypeClass.getDeclaredField("TO").get(null), props.get("to"));
messageClass.getMethod("setSubject", String.class).invoke(mail, ticket);
mail.getClass().getMethod("setText", String.class).invoke(mail, logMsg.toString());
Class.forName("javax.mail.Transport")
.getMethod("send", Class.forName("javax.mail.Message"))
.invoke(null, mail);
tee.append("\nmailed to (").append(String.valueOf(props)).append(")");
}
} catch (Exception nnfe) {
tee.append("\nnot mailed (").append(String.valueOf(nnfe)).append(")");
if (log.isDebugEnabled()) {
log.debug(nnfe.getMessage(), nnfe);
}
}
log.error("TICKET " + ticket + ":\n" + logMsg);
}
return to;
}
public void getEnv(VariableTable vt) {
Enumeration e = null;
HttpServletRequest request = (HttpServletRequest) (pageContext.getRequest());
HttpSession session = request.getSession(false);
String db_charset = "gb2312";
String url_charset = null;
vt.remove("SESSION.LOGINID");
vt.remove("SESSION.LOGINNAME");
vt.remove("SESSION.LOGINROLE");
if (vt.exists("WEBCHART.DB_CHARSET")) {
db_charset = vt.getString("WEBCHART.DB_CHARSET");
}
if (vt.exists("WEBCHART.URL_CHARSET")) {
url_charset = vt.getString("WEBCHART.URL_CHARSET");
}
if (session != null) {
e = session.getAttributeNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
Object value = session.getAttribute(name);
vt.add(name, java.sql.Types.VARCHAR);
if (value != null) vt.setValue(name, value.toString());
}
vt.add("SESSION.ID", java.sql.Types.VARCHAR);
vt.setValue("SESSION.ID", session.getId());
vt.add("SESSION.CREATE", java.sql.Types.VARCHAR);
vt.setValue(
"SESSION.CREATE",
DBOperation.toString(
new java.util.Date(session.getCreationTime()), "yyyy-MM-dd HH:mm:ss"));
vt.add("SESSION.ACCESS", java.sql.Types.VARCHAR);
vt.setValue(
"SESSION.ACCESS",
DBOperation.toString(
new java.util.Date(session.getLastAccessedTime()), "yyyy-MM-dd HH:mm:ss"));
}
e = request.getParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
String value = request.getParameter(name);
;
String par_values[] = request.getParameterValues(name);
name = name.toUpperCase();
if (name.equalsIgnoreCase("WEBCHART.SECURITY")
|| name.equalsIgnoreCase("WEBCHART.DEFAULTACCESS")
|| name.equalsIgnoreCase("WEBCHART.ALLOW")
|| name.equalsIgnoreCase("WEBCHART.DENY")
|| name.equalsIgnoreCase("WEBCHART.IPSECURITY")
|| name.equalsIgnoreCase("WEBCHART.IPACCESS")
|| name.equalsIgnoreCase("WEBCHART.IPALLOW")
|| name.equalsIgnoreCase("WEBCHART.IPDENY")
|| name.equalsIgnoreCase("WEBCHART.XSLDOC")
|| name.equalsIgnoreCase("WEBCHART.IMAGEONLY")
|| name.equalsIgnoreCase("WEBCHART.XMLDATA")
|| name.equalsIgnoreCase("WEBCHART.LOGSQL")
|| name.equalsIgnoreCase("WEBCHART.DATATYPE")
|| name.equalsIgnoreCase("WEBCHART.URLS")
|| name.equalsIgnoreCase("WEBCHART.TOPURLS")
|| name.equalsIgnoreCase("WEBCHART.TOPCURR")
|| name.equalsIgnoreCase("WEBCHART.LEFTURLS")
|| name.equalsIgnoreCase("WEBCHART.LEFTCURR")
|| name.equalsIgnoreCase("WEBCHART.INPUTS")
|| name.equalsIgnoreCase("WEBCHART.CACHE")
|| name.equalsIgnoreCase("WEBCHART.DATA")
|| name.equalsIgnoreCase("WEBCHART.CSS")
|| name.equalsIgnoreCase("WEBCHART.RELOAD")
|| name.equalsIgnoreCase("WEBCHART.EXPIRE")
|| name.equalsIgnoreCase("WEBCHART.DMLKEY")
|| name.equalsIgnoreCase("WEBCHART.ENGINE")
|| name.equalsIgnoreCase("WEBCHART.EXCELURL")
|| name.equalsIgnoreCase("WEBCHART.DBID")
|| name.equalsIgnoreCase("WEBCHART.DBIDSEED")
|| name.equalsIgnoreCase("WEBCHART.SECUREFIELDS")
|| name.equalsIgnoreCase("WEBCHART.KEEP_CACHE_IMAGE")
|| name.equalsIgnoreCase("WEBCHART.KEEP_CACHE_TIME")
|| name.startsWith("WEBCHART.SECUREMEMO")
|| name.startsWith("WEBCHART.QUERY_")
|| name.startsWith("WEBCHART.HEADHTML_")
|| name.startsWith("WEBCHART.DATAHTML_")
|| name.startsWith("WEBCHART.VARLIST_")
|| name.startsWith("WEBCHART.FORALL_")
|| name.startsWith("WEBCHART.XMLDATA_")
|| name.startsWith("WEBCHART.TABLE_")
|| name.startsWith("WEBCHART.COLUMN_")
|| name.startsWith("SESSION.")) continue;
if (name.startsWith("WEBCHART.") && !name.equals("WEBCHART.DOCTYPE")) continue;
vt.add(name, java.sql.Types.VARCHAR);
if (par_values != null && par_values.length > 1) {
StringBuffer temp = new StringBuffer();
for (int i = 0; i < par_values.length; i++) {
if (par_values[i] != null && par_values[i].trim().length() > 0) {
if (temp.length() > 0) {
temp.append(",");
}
temp.append(par_values[i]);
}
}
value = temp.toString();
}
if (url_charset != null) {
try {
value = new String(value.getBytes(url_charset), db_charset);
} catch (java.io.UnsupportedEncodingException uee) {
}
;
}
vt.setValue(name, value);
}
vt.add("REQUEST.REMOTEADDR", java.sql.Types.VARCHAR);
vt.setValue("REQUEST.REMOTEADDR", getClientIPAddr());
vt.add("REQUEST.REMOTEHOST", java.sql.Types.VARCHAR);
vt.setValue("REQUEST.REMOTEHOST", request.getRemoteAddr());
vt.add("REQUEST.REFERER", java.sql.Types.VARCHAR);
vt.setValue("REQUEST.REFERER", request.getHeader("Referer"));
vt.add("REQUEST.QUERYSTRING", java.sql.Types.VARCHAR);
vt.setValue("REQUEST.QUERYSTRING", request.getQueryString());
}