/**
* The servlet method that responds to an HTTP POST.
*
* <p>This method interprets the posted parameters as a new script and stores it either as an
* anonymizer script or a profile. It returns a text/plain string containing the "OK" if the store
* succeeded, or an error message if it failed.
*
* <p>Note: This method is designed to be called by an AJAX method in the Javascript of the
* anonymizer configurator page.
*
* @param req The HttpRequest provided by the servlet container.
* @param res The HttpResponse provided by the servlet container.
*/
public void doPost(HttpRequest req, HttpResponse res) {
// Make sure the user is authorized to do this.
if (!req.userHasRole("admin") || !req.isReferredFrom(context)) {
res.setResponseCode(res.forbidden);
res.send();
return;
}
if (req.hasParameter("suppress")) home = "";
// Set up the response
res.disableCaching();
res.setContentType("txt");
// Get the possible query parameters
// and get the script file, if one is specified
int p = -1;
int s = -1;
File file = null;
try {
p = Integer.parseInt(req.getParameter("p"));
s = Integer.parseInt(req.getParameter("s"));
file = getScriptFile(p, s);
} catch (Exception ex) {
}
// Get the XML text to store
String xml = req.getParameter("xml");
if (xml != null) xml = xml.trim();
else xml = "";
// Figure out what kind of POST this is
Path path = new Path(req.getPath());
int len = path.length();
if ((len == 3) && (path.element(1).equals("profile")) && !xml.equals("")) {
// This is a request to store a specific profile.
File profileFile = new File(savedProfiles, filter(path.element(2)));
if (FileUtil.setText(profileFile, FileUtil.utf8, xml)) res.write("OK");
else res.write("Unable to store " + profileFile);
} else if ((len == 2) && path.element(1).equals("script") && (file != null)) {
// This is a request to save a specific script.
// Don't force the extension on scripts because that
// might invalidate the reference in the config file.
if (FileUtil.setText(file, FileUtil.utf8, xml)) {
res.write("OK");
logger.debug("Successfully stored the posted script to " + file);
} else {
res.write("Unable to store " + file);
logger.debug("Unable to store the posted script to " + file);
}
} else res.setResponseCode(res.notimplemented);
res.send();
}
/**
* Export a file.
*
* @param fileToExport the file to export.
* @return the status of the attempt to export the file.
*/
public Status export(File fileToExport) {
HttpURLConnection conn;
OutputStream svros;
OutputStreamWriter writer;
XmlObject xmlObject = null;
// Parse the file and make sure we can handle it
try {
xmlObject = new XmlObject(fileToExport);
} catch (Exception invalid) {
return Status.FAIL;
}
Document doc = xmlObject.getDocument();
Element root = doc.getDocumentElement();
String rootName = root.getTagName();
if (!rootName.equals("ImageAnnotation")) {
logger.warn(name + ": XmlObject with illegal root (" + rootName + ") not transmitted.");
return Status.FAIL;
}
// Get the text.
String text = XmlUtil.toString(doc.getDocumentElement());
// Make the connection and send the text.
try {
// Establish the connection
conn = HttpUtil.getConnection(url);
conn.connect();
// Get a writer for UTF-8
svros = conn.getOutputStream();
writer = new OutputStreamWriter(svros, FileUtil.utf8);
// Send the text to the server
writer.write(text, 0, text.length());
writer.flush();
writer.close();
// Get the response code
int responseCode = conn.getResponseCode();
// Get the response.
String response = FileUtil.getText(conn.getInputStream());
// Check the response, make any necessary log entries, and return the appropriate Status
// instance.
boolean ok = response.toLowerCase().contains("document submitted");
if (logAll || (!ok && logFailed))
logger.info(name + ": export response code: " + responseCode + "\n" + response);
return (ok ? Status.OK : Status.FAIL);
} catch (Exception e) {
// This indicates a network failure; log it and set up for a retry.
logger.warn(name + ": export failed: " + e.getMessage());
logger.debug(e);
}
return Status.RETRY;
}
private void save() {
try {
Document doc = XmlUtil.getDocument();
Element root = doc.createElement("profiles");
doc.appendChild(root);
Enumeration<String> keys = table.keys();
while (keys.hasMoreElements()) {
table.get(keys.nextElement()).appendTo(root);
}
FileUtil.setText(new File(filename), FileUtil.utf8, XmlUtil.toString(doc));
} catch (Exception ignore) {
}
}
// Create an HTML page containing the form for configuring the file.
private String getScriptPage(int pipe, int stage, File file) {
String template = "/DAEditor.html";
String page = FileUtil.getText(Cache.getInstance().getFile(template));
String table = makeList();
Properties props = new Properties();
props.setProperty("closebox", "/icons/home.png");
props.setProperty("home", home);
props.setProperty("context", "/" + context);
props.setProperty("profilespath", "/profiles");
props.setProperty("profilepath", "/profile");
props.setProperty("scriptpath", "/script");
props.setProperty("scriptfile", file.getAbsolutePath().replaceAll("\\\\", "/"));
props.setProperty("pipe", "" + pipe);
props.setProperty("stage", "" + stage);
page = StringUtil.replace(page, props);
return page;
}
// Create an HTML page containing the list of script files.
private String getListPage() {
String template = "/DAList.html";
String page = FileUtil.getText(Cache.getInstance().getFile(template));
String table = makeList();
Properties props = new Properties();
props.setProperty("home", home);
props.setProperty("table", table);
props.setProperty("homeicon", "");
if (!home.equals("")) {
props.setProperty(
"homeicon",
"<img src=\"/icons/home.png\" onclick=\"window.open('"
+ home
+ "','_self');\" title=\"Return to the home page\" style=\"margin:2\"/>");
}
page = StringUtil.replace(page, props);
return page;
}