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SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.
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/*******************************************************************************
* Copyright (c) 2010, 2012 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.browser;
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.internal.ole.win32.*;
import org.eclipse.swt.internal.webkit.*;
import org.eclipse.swt.internal.win32.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
class WebResourceLoadDelegate {
COMObject iWebResourceLoadDelegate;
int refCount = 0;
Browser browser;
String postData;
WebResourceLoadDelegate (Browser browser) {
createCOMInterfaces ();
this.browser = browser;
}
int AddRef () {
refCount++;
return refCount;
}
void createCOMInterfaces () {
iWebResourceLoadDelegate = new COMObject (new int[] {2, 0, 0, 4, 6, 4, 4, 4, 4, 3, 4, 3}) {
public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
public int /*long*/ method3 (int /*long*/[] args) {return identifierForInitialRequest (args[0], args[1], args[2], args[3]);}
public int /*long*/ method4 (int /*long*/[] args) {return willSendRequest (args[0], args[1], args[2], args[3], args[4], args[5]);}
public int /*long*/ method5 (int /*long*/[] args) {return didReceiveAuthenticationChallenge (args[0], args[1], args[2], args[3]);}
public int /*long*/ method6 (int /*long*/[] args) {return COM.E_NOTIMPL;}
public int /*long*/ method7 (int /*long*/[] args) {return COM.S_OK;}
public int /*long*/ method8 (int /*long*/[] args) {return COM.S_OK;}
public int /*long*/ method9 (int /*long*/[] args) {return COM.S_OK;}
public int /*long*/ method10 (int /*long*/[] args) {return COM.S_OK;}
public int /*long*/ method11 (int /*long*/[] args) {return COM.E_NOTIMPL;}
};
}
int didReceiveAuthenticationChallenge (int /*long*/ webView, int /*long*/ identifier, int /*long*/ challenge, int /*long*/ dataSource) {
IWebURLAuthenticationChallenge authenticationChallenge = new IWebURLAuthenticationChallenge (challenge);
/*
* Do not invoke the listeners if this challenge has been failed too many
* times because a listener is likely giving incorrect credentials repeatedly
* and will do so indefinitely.
*/
int[] count = new int[1];
int hr = authenticationChallenge.previousFailureCount (count);
int /*long*/[] result = new int /*long*/[1];
if (hr == COM.S_OK && count[0] < 3) {
AuthenticationListener[] authenticationListeners = browser.webBrowser.authenticationListeners;
for (int i = 0; i < authenticationListeners.length; i++) {
AuthenticationEvent event = new AuthenticationEvent (browser);
event.location = ((WebKit)browser.webBrowser).lastNavigateURL;
authenticationListeners[i].authenticate (event);
if (!event.doit) {
hr = authenticationChallenge.sender (result);
if (hr != COM.S_OK || result[0] == 0) {
return COM.S_OK;
}
IWebURLAuthenticationChallengeSender challengeSender = new IWebURLAuthenticationChallengeSender (result[0]);
challengeSender.cancelAuthenticationChallenge (challenge);
challengeSender.Release ();
return COM.S_OK;
}
if (event.user != null && event.password != null) {
hr = authenticationChallenge.sender (result);
if (hr != COM.S_OK || result[0] == 0) continue;
IWebURLAuthenticationChallengeSender challengeSender = new IWebURLAuthenticationChallengeSender (result[0]);
result[0] = 0;
hr = WebKit_win32.WebKitCreateInstance (WebKit_win32.CLSID_WebURLCredential, 0, WebKit_win32.IID_IWebURLCredential, result);
if (hr == COM.S_OK && result[0] != 0) {
IWebURLCredential credential = new IWebURLCredential (result[0]);
int /*long*/ user = WebKit.createBSTR (event.user);
int /*long*/ password = WebKit.createBSTR (event.password);
credential.initWithUser (user, password, WebKit_win32.WebURLCredentialPersistenceForSession);
challengeSender.useCredential (credential.getAddress (), challenge);
credential.Release ();
}
challengeSender.Release ();
return COM.S_OK;
}
}
}
/* show a custom authentication dialog */
String[] userReturn = new String[1], passwordReturn = new String[1];
result[0] = 0;
hr = authenticationChallenge.proposedCredential (result);
if (hr == COM.S_OK && result[0] != 0) {
IWebURLCredential proposedCredential = new IWebURLCredential(result[0]);
result[0] = 0;
hr = proposedCredential.user (result);
if (hr == COM.S_OK && result[0] != 0) {
userReturn[0] = WebKit.extractBSTR (result[0]);
COM.SysFreeString (result[0]);
int[] value = new int[1];
hr = proposedCredential.hasPassword (value);
if (hr == COM.S_OK && value[0] != 0) {
result[0] = 0;
hr = proposedCredential.password (result);
if (hr == COM.S_OK && result[0] != 0) {
passwordReturn[0] = WebKit.extractBSTR (result[0]);
COM.SysFreeString (result[0]);
}
}
}
proposedCredential.Release ();
}
result[0] = 0;
hr = authenticationChallenge.protectionSpace (result);
if (hr != COM.S_OK || result[0] == 0) {
return COM.S_OK;
}
IWebURLProtectionSpace space = new IWebURLProtectionSpace (result[0]);
String host = null, realm = null;
result[0] = 0;
hr = space.host (result);
if (hr == COM.S_OK && result[0] != 0) {
host = WebKit.extractBSTR (result[0]);
COM.SysFreeString (result[0]);
int[] port = new int[1];
hr = space.port (port);
if (hr == COM.S_OK) {
host += ":" + port[0]; //$NON-NLS-1$
result[0] = 0;
hr = space.realm (result);
if (hr == COM.S_OK && result[0] != 0) {
realm = WebKit.extractBSTR (result[0]);
COM.SysFreeString (result[0]);
}
}
}
space.Release ();
boolean response = showAuthenticationDialog (userReturn, passwordReturn, host, realm);
result[0] = 0;
hr = authenticationChallenge.sender (result);
if (hr != COM.S_OK || result[0] == 0) {
return COM.S_OK;
}
IWebURLAuthenticationChallengeSender challengeSender = new IWebURLAuthenticationChallengeSender (result[0]);
if (!response) {
challengeSender.cancelAuthenticationChallenge (challenge);
challengeSender.Release ();
return COM.S_OK;
}
result[0] = 0;
hr = WebKit_win32.WebKitCreateInstance (WebKit_win32.CLSID_WebURLCredential, 0, WebKit_win32.IID_IWebURLCredential, result);
if (hr == COM.S_OK && result[0] != 0) {
IWebURLCredential credential = new IWebURLCredential (result[0]);
int /*long*/ user = WebKit.createBSTR (userReturn[0]);
int /*long*/ password = WebKit.createBSTR (passwordReturn[0]);
credential.initWithUser (user, password, WebKit_win32.WebURLCredentialPersistenceForSession);
challengeSender.useCredential (credential.getAddress (), challenge);
credential.Release ();
}
challengeSender.Release ();
return COM.S_OK;
}
void disposeCOMInterfaces () {
if (iWebResourceLoadDelegate != null) {
iWebResourceLoadDelegate.dispose ();
iWebResourceLoadDelegate = null;
}
}
int /*long*/ getAddress () {
return iWebResourceLoadDelegate.getAddress ();
}
int identifierForInitialRequest (int /*long*/ webView, int /*long*/ request, int /*long*/ dataSource, int /*long*/ identifier) {
if (browser.isDisposed ()) return COM.S_OK;
/* send progress event iff request is for top-level frame */
IWebDataSource source = new IWebDataSource (dataSource);
int /*long*/[] frame = new int /*long*/[1];
int hr = source.webFrame (frame);
if (hr != COM.S_OK || frame[0] == 0) {
return COM.S_OK;
}
new IWebFrame (frame[0]).Release ();
int /*long*/[] mainFrame = new int /*long*/[1];
IWebView iWebView = new IWebView (webView);
hr = iWebView.mainFrame (mainFrame);
if (hr != COM.S_OK || mainFrame[0] == 0) {
return COM.S_OK;
}
new IWebFrame (mainFrame[0]).Release ();
if (frame[0] == mainFrame[0]) {
int /*long*/ ptr = OS.malloc (8);
iWebView.estimatedProgress (ptr);
double[] estimate = new double[1];
OS.MoveMemory (estimate, ptr, 8);
OS.free (ptr);
int progress = (int)(estimate[0] * 100);
ProgressEvent progressEvent = new ProgressEvent (browser);
progressEvent.display = browser.getDisplay ();
progressEvent.widget = browser;
progressEvent.current = progress;
progressEvent.total = Math.max (progress, WebKit.MAX_PROGRESS);
ProgressListener[] progressListeners = browser.webBrowser.progressListeners;
for (int i = 0; i < progressListeners.length; i++) {
progressListeners[i].changed (progressEvent);
}
}
return COM.S_OK;
}
int QueryInterface (int /*long*/ riid, int /*long*/ ppvObject) {
if (riid == 0 || ppvObject == 0) return COM.E_INVALIDARG;
GUID guid = new GUID ();
COM.MoveMemory (guid, riid, GUID.sizeof);
if (COM.IsEqualGUID (guid, COM.IIDIUnknown)) {
COM.MoveMemory (ppvObject, new int /*long*/[] {iWebResourceLoadDelegate.getAddress ()}, OS.PTR_SIZEOF);
new IUnknown (iWebResourceLoadDelegate.getAddress ()).AddRef ();
return COM.S_OK;
}
if (COM.IsEqualGUID (guid, WebKit_win32.IID_IWebResourceLoadDelegate)) {
COM.MoveMemory (ppvObject, new int /*long*/[] {iWebResourceLoadDelegate.getAddress ()}, OS.PTR_SIZEOF);
new IUnknown (iWebResourceLoadDelegate.getAddress ()).AddRef ();
return COM.S_OK;
}
COM.MoveMemory (ppvObject, new int /*long*/[] {0}, OS.PTR_SIZEOF);
return COM.E_NOINTERFACE;
}
int Release () {
refCount--;
if (refCount == 0) {
disposeCOMInterfaces ();
}
return refCount;
}
boolean showAuthenticationDialog (final String[] user, final String[] password, String host, String realm) {
Shell parent = browser.getShell ();
final Shell shell = new Shell (parent);
shell.setLayout (new GridLayout ());
String title = SWT.getMessage ("SWT_Authentication_Required"); //$NON-NLS-1$
shell.setText (title);
Label label = new Label (shell, SWT.WRAP);
label.setText (Compatibility.getMessage ("SWT_Enter_Username_and_Password", new String[] {realm, host})); //$NON-NLS-1$
GridData data = new GridData ();
Monitor monitor = browser.getMonitor ();
int maxWidth = monitor.getBounds ().width * 2 / 3;
int width = label.computeSize (SWT.DEFAULT, SWT.DEFAULT).x;
data.widthHint = Math.min (width, maxWidth);
data.horizontalAlignment = GridData.FILL;
data.grabExcessHorizontalSpace = true;
label.setLayoutData (data);
Label userLabel = new Label (shell, SWT.NONE);
userLabel.setText (SWT.getMessage ("SWT_Username")); //$NON-NLS-1$
final Text userText = new Text (shell, SWT.BORDER);
if (user[0] != null) userText.setText (user[0]);
data = new GridData ();
data.horizontalAlignment = GridData.FILL;
data.grabExcessHorizontalSpace = true;
userText.setLayoutData (data);
Label passwordLabel = new Label (shell, SWT.NONE);
passwordLabel.setText (SWT.getMessage ("SWT_Password")); //$NON-NLS-1$
final Text passwordText = new Text (shell, SWT.PASSWORD | SWT.BORDER);
if (password[0] != null) passwordText.setText (password[0]);
data = new GridData ();
data.horizontalAlignment = GridData.FILL;
data.grabExcessHorizontalSpace = true;
passwordText.setLayoutData (data);
final boolean[] result = new boolean[1];
final Button[] buttons = new Button[2];
Listener listener = new Listener () {
public void handleEvent (Event event) {
user[0] = userText.getText ();
password[0] = passwordText.getText ();
result[0] = event.widget == buttons[1];
shell.close ();
}
};
Composite composite = new Composite (shell, SWT.NONE);
data = new GridData ();
data.horizontalAlignment = GridData.END;
composite.setLayoutData (data);
composite.setLayout (new GridLayout (2, true));
buttons[0] = new Button (composite, SWT.PUSH);
buttons[0].setText (SWT.getMessage ("SWT_Cancel")); //$NON-NLS-1$
buttons[0].setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
buttons[0].addListener (SWT.Selection, listener);
buttons[1] = new Button (composite, SWT.PUSH);
buttons[1].setText (SWT.getMessage ("SWT_OK")); //$NON-NLS-1$
buttons[1].setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
buttons[1].addListener (SWT.Selection, listener);
shell.setDefaultButton (buttons[1]);
shell.pack ();
Rectangle parentSize = parent.getBounds ();
Rectangle shellSize = shell.getBounds ();
int x = parent.getLocation().x + (parentSize.width - shellSize.width) / 2;
int y = parent.getLocation().y + (parentSize.height - shellSize.height) / 2;
shell.setLocation (x, y);
shell.open ();
Display display = browser.getDisplay ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
return result[0];
}
int willSendRequest (int /*long*/ webView, int /*long*/ identifier, int /*long*/ request, int /*long*/ redirectResponse, int /*long*/ dataSource, int /*long*/ newRequest) {
IWebURLRequest req = new IWebURLRequest (request);
int /*long*/[] result = new int /*long*/ [1];
int hr = req.URL (result);
if (hr == COM.S_OK && result[0] != 0) {
String url = WebKit.extractBSTR (result[0]);
COM.SysFreeString (result[0]);
/*
* file://c|/ doesn't work on Webkit but works on other browsers.
* So change file:// to file:/// to be consistent
*/
if (url.startsWith (WebKit.PROTOCOL_FILE) && !url.startsWith (WebKit.URI_FILEROOT)) {
int length = WebKit.PROTOCOL_FILE.length ();
url = WebKit.URI_FILEROOT + url.substring (length);
result[0] = 0;
hr = req.mutableCopy (result);
if (hr == COM.S_OK && result[0] != 0) {
IWebMutableURLRequest mReq = new IWebMutableURLRequest (result[0]);
int /*long*/ urlString = WebKit.createBSTR (url);
mReq.setURL (urlString);
OS.MoveMemory (newRequest, new int /*long*/[] {mReq.getAddress ()}, C.PTR_SIZEOF);
return COM.S_OK;
}
}
}
req.AddRef ();
OS.MoveMemory (newRequest, new int /*long*/[] {request}, C.PTR_SIZEOF);
return COM.S_OK;
}
}