summaryrefslogtreecommitdiff
path: root/src/webpage.cpp
blob: 37a04abebc5e202ed093403f289b725b2369b167 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2008 Benjamin C. Meyer <ben@meyerhome.net>
* Copyright (C) 2008 Dirk Mueller <mueller@kde.org>
* Copyright (C) 2008 Urs Wolfer <uwolfer @ kde.org>
* Copyright (C) 2008 Michael Howell <mhowell123@gmail.com>
* Copyright (C) 2008-2010 by Andrea Diamantini <adjam7 at gmail dot com>
* Copyright (C) 2010 by Matthieu Gicquel <matgic78 at gmail dot com>
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
* ============================================================ */


// Self Includes
#include "webpage.h"
#include "webpage.moc"

// Auto Includes
#include "rekonq.h"

// Local Includes
#include "application.h"
#include "mainwindow.h"
#include "mainview.h"
#include "webtab.h"
#include "webpluginfactory.h"
#include "networkaccessmanager.h"
#include "adblockmanager.h"

#include "sslinfodialog_p.h"

// KDE Includes
#include <KStandardDirs>
#include <KUrl>
#include <KDebug>
#include <KToolInvocation>
#include <KProtocolManager>
#include <kwebwallet.h>

#include <kparts/browseropenorsavequestion.h>

#include <kio/renamedialog.h>

#include <KDE/KMimeTypeTrader>
#include <KDE/KRun>
#include <KDE/KFileDialog>
#include <KDE/KMessageBox>
#include <KDE/KJobUiDelegate>

// Qt Includes
#include <QtGui/QContextMenuEvent>
#include <QtGui/QWheelEvent>
#include <QtGui/QMouseEvent>
#include <QtGui/QClipboard>
#include <QtGui/QKeyEvent>
#include <QWebFrame>

// Defines
#define QL1S(x)  QLatin1String(x)
#define QL1C(x)  QLatin1Char(x)


// Returns true if the scheme and domain of the two urls match...
static bool domainSchemeMatch(const QUrl& u1, const QUrl& u2)
{
    if (u1.scheme() != u2.scheme())
        return false;

    QStringList u1List = u1.host().split(QL1C('.'), QString::SkipEmptyParts);
    QStringList u2List = u2.host().split(QL1C('.'), QString::SkipEmptyParts);

    if (qMin(u1List.count(), u2List.count()) < 2)
        return false;  // better safe than sorry...

    while (u1List.count() > 2)
        u1List.removeFirst();

    while (u2List.count() > 2)
        u2List.removeFirst();

    return (u1List == u2List);
}


// ---------------------------------------------------------------------------------


WebPage::WebPage(QWidget *parent)
        : KWebPage(parent, KWalletIntegration)
{
    // ----- handling unsupported content...
    setForwardUnsupportedContent(true);
    connect(this, SIGNAL(unsupportedContent(QNetworkReply *)), this, SLOT(handleUnsupportedContent(QNetworkReply *)));

    // ----- rekonq Network Manager
    NetworkAccessManager *manager = new NetworkAccessManager(this);
    manager->setCache(0);   // disable QtWebKit cache to just use KIO one..

    // set cookieJar window ID..
    if (parent && parent->window())
        manager->setCookieJarWindowId(parent->window()->winId());

    setNetworkAccessManager(manager);

    // activate ssl warnings
    setSessionMetaData("ssl_activate_warnings", "TRUE");

    // Override the 'Accept' header sent by QtWebKit which favors XML over HTML!
    // Setting the accept meta-data to null will force kio_http to use its own
    // default settings for this header.
    setSessionMetaData(QL1S("accept"), QString());

    // ----- Web Plugin Factory
    setPluginFactory(new WebPluginFactory(this));

    // ----- last stuffs
    connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(manageNetworkErrors(QNetworkReply*)));
    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(loadFinished(bool)));

    // protocol handler signals
    connect(&_protHandler, SIGNAL(downloadUrl(const KUrl &)), this, SLOT(downloadUrl(const KUrl &)));
}


WebPage::~WebPage()
{
    disconnect();
}


bool WebPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type)
{
    _loadingUrl = request.url();

    KIO::AccessManager *manager = qobject_cast<KIO::AccessManager*>(networkAccessManager());
    KIO::MetaData metaData = manager->requestMetaData();

    // Get the SSL information sent, if any...
    if (metaData.contains(QL1S("ssl_in_use")))
    {
        WebSslInfo info;
        info.fromMetaData(metaData.toVariant());
        info.setUrl(request.url());
        _sslInfo = info;
    }

    if (frame)
    {
        if (_protHandler.preHandling(request, frame))
        {
            return false;
        }

        switch (type)
        {
        case QWebPage::NavigationTypeLinkClicked:
            if (_sslInfo.isValid())
            {
                setRequestMetaData("ssl_was_in_use", "TRUE");
            }
            break;

        case QWebPage::NavigationTypeFormSubmitted:
            break;

        case QWebPage::NavigationTypeFormResubmitted:
            if (KMessageBox::warningContinueCancel(view(),
                                                   i18n("Are you sure you want to send your data again?"),
                                                   i18n("Resend form data")
                                                  )
                    == KMessageBox::Cancel)
            {
                return false;
            }
            break;

        case QWebPage::NavigationTypeReload:
        case QWebPage::NavigationTypeBackOrForward:
        case QWebPage::NavigationTypeOther:
            break;

        default:
            break;
        }

        if (frame == mainFrame())
        {
            setRequestMetaData("main_frame_request", "TRUE");
        }
        else
        {
            setRequestMetaData("main_frame_request", "FALSE");
        }
    }
    return KWebPage::acceptNavigationRequest(frame, request, type);
}


WebPage *WebPage::createWindow(QWebPage::WebWindowType type)
{
    kDebug() << "WebPage createWindow slot";

    // added to manage web modal dialogs
    if (type == QWebPage::WebModalDialog)
        kDebug() << "Modal Dialog";

    WebTab *w = 0;
    if (ReKonfig::openTabNoWindow())
    {
        w = Application::instance()->mainWindow()->mainView()->newWebTab(!ReKonfig::openTabsBack(), ReKonfig::openTabsNearCurrent());
    }
    else
    {
        w = Application::instance()->newMainWindow()->mainView()->currentWebTab();
    }
    return w->page();
}


void WebPage::handleUnsupportedContent(QNetworkReply *reply)
{
    // NOTE
    // This is probably needed just in ONE stupid case..
    if (_protHandler.postHandling(reply->request(), mainFrame()))
        return;

    if (reply->error() == QNetworkReply::NoError)
    {
        const KUrl url(reply->url());

        QString mimeType = reply->header(QNetworkRequest::ContentTypeHeader).toString();
        KService::Ptr appService = KMimeTypeTrader::self()->preferredService(mimeType);

        bool isLocal = url.isLocalFile();

        if (appService.isNull())  // no service can handle this. We can just download it..
        {
            kDebug() << "no service can handle this. We can just download it..";

            isLocal
            ? KMessageBox::sorry(view(), i18n("No service can handle this :("))
            : downloadRequest(reply->request());

            return;
        }

        if (!isLocal)
        {

            KParts::BrowserOpenOrSaveQuestion dlg(Application::instance()->mainWindow(), url, mimeType);
            switch (dlg.askEmbedOrSave())
            {
            case KParts::BrowserOpenOrSaveQuestion::Save:
                kDebug() << "service handling: download!";
                downloadRequest(reply->request());
                return;

            case KParts::BrowserOpenOrSaveQuestion::Cancel:
                return;

            default: // non extant case
                break;
            }
        }

        // case KParts::BrowserRun::Embed

        KService::List partServices = KMimeTypeTrader::self()->query(mimeType, QL1S("KParts/ReadOnlyPart"));
        if (partServices.count() > 0)
        {
            // A part can handle this. Embed it!
            QString html;
            html += "<html>";
            html += "<head>";
            html += "<title>";
            html += url.pathOrUrl();
            html += "</title>";
            html += "<style type=\"text/css\">";
            html += "* { border: 0; padding: 0; margin: 0; }";
            html += "</style>";
            html += "</head>";
            html += "<body>";
            html += "<embed src=\"" + url.pathOrUrl() + "\" width=\"100%\" height=\"100%\" />";
            html += "</body>";
            html += "</html>";

            mainFrame()->setHtml(html, url);
        }
        else
        {
            // No parts, just app services. Load it!
            KRun::run(*appService, url, 0);
        }

        return;
    }
}


void WebPage::loadFinished(bool ok)
{
    Q_UNUSED(ok);

    Application::adblockManager()->applyHidingRules(this);

    QStringList list = ReKonfig::walletBlackList();

    // KWallet Integration
    if (wallet()
            && !list.contains(mainFrame()->url().toString())
       )
    {
        wallet()->fillFormData(mainFrame());
    }
}


void WebPage::manageNetworkErrors(QNetworkReply *reply)
{
    Q_ASSERT(reply);

    QWebFrame* frame = qobject_cast<QWebFrame *>(reply->request().originatingObject());
    const bool isMainFrameRequest = (frame == mainFrame());

    if (isMainFrameRequest
            && _sslInfo.isValid()
            && !domainSchemeMatch(reply->url(), _sslInfo.url())
       )
    {
        //kDebug() << "Reseting cached SSL info...";
        _sslInfo = WebSslInfo();
    }

    // NOTE: These are not all networkreply errors,
    // but just that supported directly by KIO
    switch (reply->error())
    {

    case QNetworkReply::NoError:                             // no error. Simple :)
        if (isMainFrameRequest && !_sslInfo.isValid())
        {
            // Obtain and set the SSL information if any...
            _sslInfo.fromMetaData(reply->attribute(static_cast<QNetworkRequest::Attribute>(KIO::AccessManager::MetaData)));
            _sslInfo.setUrl(reply->url());
        }
        break;

    case QNetworkReply::ContentAccessDenied:                 // access to remote content denied (similar to HTTP error 401)
        kDebug() << "We (hopefully) are managing this through the adblock :)";
        break;

    case QNetworkReply::UnknownNetworkError:                 // unknown network-related error detected
        if (_protHandler.postHandling(reply->request(), mainFrame()))
            break;

    case QNetworkReply::ConnectionRefusedError:              // remote server refused connection
    case QNetworkReply::HostNotFoundError:                   // invalid hostname
    case QNetworkReply::TimeoutError:                        // connection time out
    case QNetworkReply::OperationCanceledError:              // operation canceled via abort() or close() calls
    case QNetworkReply::ProxyNotFoundError:                  // invalid proxy hostname
    case QNetworkReply::ContentOperationNotPermittedError:   // operation requested on remote content not permitted
    case QNetworkReply::ContentNotFoundError:                // remote content not found on server (similar to HTTP error 404)
    case QNetworkReply::ProtocolUnknownError:                // Unknown protocol
    case QNetworkReply::ProtocolInvalidOperationError:       // requested operation is invalid for this protocol

        if (reply->url() == _loadingUrl)
            mainFrame()->setHtml(errorPage(reply), reply->url());
        break;

    default:
        kDebug() << "Nothing to do here..";
        break;

    }
}


QString WebPage::errorPage(QNetworkReply *reply)
{
    // display "not found" page
    QString notfoundFilePath =  KStandardDirs::locate("data", "rekonq/htmls/rekonqinfo.html");
    QFile file(notfoundFilePath);

    bool isOpened = file.open(QIODevice::ReadOnly);
    if (!isOpened)
    {
        return QString("Couldn't open the rekonqinfo.html file");
    }

    QString title = i18n("Error loading: %1", reply->url().path());
    QString urlString = reply->url().toString(QUrl::RemoveUserInfo | QUrl::RemoveQuery);

    QString iconPath = QString("file://") + KIconLoader::global()->iconPath("dialog-warning" , KIconLoader::Small);
    iconPath.replace(QL1S("16"), QL1S("128"));

    QString msg;
    msg += "<table>";
    msg += "<tr><td>";
    msg += "<img src=\"" + iconPath + "\" />";
    msg += "</td><td>";
    msg += "<h1>" + reply->errorString() + "</h1>";
    msg += "<h2>" + i18nc("%1=an URL, e.g.'kde.org'", "When connecting to: <b>%1</b>", urlString) + "</h2>";
    msg += "</td></tr></table>";

    msg += "<ul><li>" + i18n("Check the address for errors such as <b>ww</b>.kde.org instead of <b>www</b>.kde.org");
    msg += "</li><li>" + i18n("If the address is correct, try to check the network connection.") + "</li><li>" ;
    msg += i18n("If your computer or network is protected by a firewall or proxy, make sure that rekonq is permitted to access the network.");
    msg += "</li><li>" + i18n("Of course, if rekonq does not work properly, you can always say it is a programmer error ;)");
    msg += "</li></ul><br/><br/>";
    msg += "<input type=\"button\" id=\"reloadButton\" onClick=\"document.location.href='" + urlString + "';\" value=\"";
    msg += i18n("Try Again") + "\" />";

    QString html = QString(QLatin1String(file.readAll()))
                   .arg(title)
                   .arg(msg)
                   ;
    return html;
}


// WARNING
// this code is actually copied from KWebPage::downloadRequest to save
// downloads data before. If you have some better ideas about,
// feel free to let us know about :)
void WebPage::downloadRequest(const QNetworkRequest &request)
{
    KUrl destUrl;
    KUrl srcUrl(request.url());
    int result = KIO::R_OVERWRITE;

    do
    {
        destUrl = KFileDialog::getSaveFileName(srcUrl.fileName(), QString(), view());

        if (destUrl.isLocalFile())
        {
            QFileInfo finfo(destUrl.toLocalFile());
            if (finfo.exists())
            {
                QDateTime now = QDateTime::currentDateTime();
                QPointer<KIO::RenameDialog> dlg = new KIO::RenameDialog(view(),
                        i18n("Overwrite File?"),
                        srcUrl,
                        destUrl,
                        KIO::RenameDialog_Mode(KIO::M_OVERWRITE | KIO::M_SKIP),
                        -1,
                        finfo.size(),
                        now.toTime_t(),
                        finfo.created().toTime_t(),
                        now.toTime_t(),
                        finfo.lastModified().toTime_t()
                                                                       );
                result = dlg->exec();
                delete dlg;
            }
        }
    }
    while (result == KIO::R_CANCEL && destUrl.isValid());

    if (result == KIO::R_OVERWRITE && destUrl.isValid())
    {
        // now store data
        // now, destUrl, srcUrl
        Application::historyManager()->addDownload(srcUrl.pathOrUrl() , destUrl.pathOrUrl());

        if (ReKonfig::kgetDownload())
        {
            //KGet integration:
            if (!QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.kget"))
            {
                KToolInvocation::kdeinitExecWait("kget");
            }
            QDBusInterface kget("org.kde.kget", "/KGet", "org.kde.kget.main");
            if (kget.isValid())
            {
                kget.call("addTransfer", srcUrl.prettyUrl(), destUrl.prettyUrl(), true);
                return;
            }
        }

        // else, use KIO or fallback to it
        KIO::Job *job = KIO::file_copy(srcUrl, destUrl, -1, KIO::Overwrite);
        QVariant attr = request.attribute(static_cast<QNetworkRequest::Attribute>(KIO::AccessManager::MetaData));
        if (attr.isValid() && attr.type() == QVariant::Map)
            job->setMetaData(KIO::MetaData(attr.toMap()));

        job->addMetaData(QL1S("MaxCacheSize"), QL1S("0")); // Don't store in http cache.
        job->addMetaData(QL1S("cache"), QL1S("cache"));   // Use entry from cache if available.
        job->uiDelegate()->setAutoErrorHandlingEnabled(true);
    }
}


void WebPage::downloadAllContentsWithKGet()
{
    QSet<QString> contents;
    KUrl baseUrl(currentFrame()->url());
    KUrl relativeUrl;

    QWebElementCollection images = mainFrame()->documentElement().findAll("img");
    foreach(QWebElement img, images)
    {
        relativeUrl.setEncodedUrl(img.attribute("src").toUtf8(), KUrl::TolerantMode);
        contents << baseUrl.resolved(relativeUrl).toString();
    }

    QWebElementCollection links = mainFrame()->documentElement().findAll("a");
    foreach(QWebElement link, links)
    {
        relativeUrl.setEncodedUrl(link.attribute("href").toUtf8(), KUrl::TolerantMode);
        contents << baseUrl.resolved(relativeUrl).toString();
    }

    if (!QDBusConnection::sessionBus().interface()->isServiceRegistered("org.kde.kget"))
    {
        KToolInvocation::kdeinitExecWait("kget");
    }
    QDBusInterface kget("org.kde.kget", "/KGet", "org.kde.kget.main");
    if (kget.isValid())
    {
        kget.call("importLinks", QVariant(contents.toList()));
    }
}


void WebPage::showSSLInfo()
{
    if (_sslInfo.isValid())
    {
        QPointer<KSslInfoDialog> dlg = new KSslInfoDialog(view());
        dlg->setSslInfo(_sslInfo.certificateChain(),
                        _sslInfo.peerAddress().toString(),
                        mainFrame()->url().host(),
                        _sslInfo.protocol(),
                        _sslInfo.ciphers(),
                        _sslInfo.usedChiperBits(),
                        _sslInfo.supportedChiperBits(),
                        KSslInfoDialog::errorsFromString(_sslInfo.certificateErrors())
                       );

        dlg->exec();
        delete dlg;

        return;
    }

    if (mainFrame()->url().scheme() == QL1S("https"))
    {
        KMessageBox::error(view(),
                           i18n("The SSL information for this site appears to be corrupt."),
                           i18nc("Secure Sockets Layer", "SSL")
                          );
    }
    else
    {
        KMessageBox::information(view(),
                                 i18n("This site doesn't contain SSL information."),
                                 i18nc("Secure Sockets Layer", "SSL")
                                );
    }
}




void WebPage::updateImage(bool ok)
{
    if (ok)
    {
        NewTabPage p(mainFrame());
        p.snapFinished();
    }
}