Revision 210
Added by bojilova almost 24 years ago
| MetaCatServlet.java | ||
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| 37 | 37 |
import javax.servlet.http.HttpServlet; |
| 38 | 38 |
import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import javax.servlet.http.HttpSession; |
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import javax.servlet.http.HttpUtils; |
| 41 | 42 |
|
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import oracle.xml.parser.v2.XSLStylesheet; |
| ... | ... | |
| 214 | 215 |
} catch (Exception npe) {
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| 215 | 216 |
//out.println("<P>Caught exception looking for Y value.");
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| 216 | 217 |
} |
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// Jivka added |
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// handle login action |
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if (action.equals("Login")) {
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handleLoginAction(out, params, request, response); |
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// handle logout action |
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} else if (action.equals("Logout")) {
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HttpSession sess = request.getSession(false); |
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if (sess != null) {
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sess.invalidate(); |
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response.sendRedirect("/xmltodb/lib/login.html");
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} |
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// aware of session expiration on every request |
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} else {
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HttpSession sess = request.getSession(false); |
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if (sess == null) {
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out.println("Session expired. You will be redirected to Login page again.");
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response.sendRedirect("/xmltodb/lib/login.html");
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} |
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} |
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// End of Jivka added |
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if (action.equals("query") || action.equals("squery")) {
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| 219 | 239 |
handleQueryAction(out, params, response); |
| 220 | 240 |
} else if (action.equals("getdocument")) {
|
| ... | ... | |
| 241 | 261 |
out.close(); |
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} |
| 243 | 263 |
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// Jivka added |
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/** |
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* Handle the Login request. Create a new session object. |
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* Make a user authentication through SRB RMI Connection. |
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*/ |
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private void handleLoginAction(PrintWriter out, Hashtable params, |
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HttpServletRequest request, HttpServletResponse response) {
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String un = (String)params.get("username");
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String pw = (String)params.get("password");
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MetaCatSession sess = new MetaCatSession(request, un, pw); |
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try {
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if (sess.userAuth(pw)) {
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try {
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response.sendRedirect("/xmltodb/lib/index.html");
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} catch ( java.io.IOException ioe) {
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sess.disconnect(); |
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out.println("MetaCatServlet.handleLoginAction() - " +
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"Error on redirect of HttpServletResponse: " + |
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ioe.getMessage()); |
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} |
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} else {
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sess.disconnect(); |
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out.println("SRB Connection failed. " +
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"SRB RMI Server is not running now or " + |
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"user " + un + |
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" has not been authenticated to use the system"); |
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} |
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} catch ( java.rmi.RemoteException re) {
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sess.disconnect(); |
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out.println("SRB Connection failed. " + re.getMessage());
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} |
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} |
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/** |
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* Handle the database query request and return a result set, possibly |
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* transformed from XML into HTML |
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*/ |
| ... | ... | |
| 580 | 634 |
|
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/** |
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* '$Log$ |
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* 'Revision 1.33 2000/06/27 04:50:33 jones |
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* 'Updated javadoc documentation. |
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* ' |
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* 'Revision 1.32 2000/06/27 04:31:07 jones |
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* 'Fixed bugs associated with the new UPDATE and DELETE functions of |
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* 'DBWriter. There were problematic interactions between some static |
Also available in: Unified diff
changes releted to login and session tracking