OpenLaszlo Explorer
<%!
// Does this pathname point to a valid target directory? Should be
// a subdir of the webapp.
boolean isValidSubdir(String path) {
try {
String canonical = (new File(path)).getCanonicalPath();
String webapp = (new File((getServletContext().getRealPath(".")))).getCanonicalPath();
return canonical.startsWith(webapp);
} catch (IOException e) {
return false;
}
}
%>
<%
StringBuffer sb = new StringBuffer();
try {
String src = request.getParameter("src");
// Check if url is in proper subdir of this JSP
if (!isValidSubdir(application.getRealPath(src))) {
out.println("invalid path");
return;
}
String htm = application.getRealPath(request.getParameter("src")+".htm");
if (new File(htm).exists()) {
InputStreamReader isr = new InputStreamReader(new FileInputStream(htm), "UTF-8");
BufferedReader reader = new BufferedReader(isr);
String line;
while ((line = reader.readLine()) != null) {
sb.append(line+"\n");
}
reader.close();
}
} catch (Exception e) {
e.printStackTrace();
}
%>
<%= sb.toString() %>