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00020
00021 #include "xmlhttprequest.h"
00022 #include "xmlhttprequest.lut.h"
00023 #include "kjs_window.h"
00024 #include "kjs_events.h"
00025
00026 #include "dom/dom_doc.h"
00027 #include "dom/dom_exception.h"
00028 #include "dom/dom_string.h"
00029 #include "misc/loader.h"
00030 #include "html/html_documentimpl.h"
00031 #include "xml/dom2_eventsimpl.h"
00032
00033 #include "khtml_part.h"
00034 #include "khtmlview.h"
00035
00036 #include <kio/scheduler.h>
00037 #include <kio/job.h>
00038 #include <qobject.h>
00039 #include <kdebug.h>
00040
00041 #ifdef APPLE_CHANGES
00042 #include "KWQLoader.h"
00043 #else
00044 #include <kio/netaccess.h>
00045 using KIO::NetAccess;
00046 #endif
00047
00048 using namespace KJS;
00049 using khtml::Decoder;
00050
00052
00053
00054
00055
00056
00057
00058
00059
00060
00061
00062
00063 DEFINE_PROTOTYPE("XMLHttpRequest",XMLHttpRequestProto)
00064 IMPLEMENT_PROTOFUNC_DOM(XMLHttpRequestProtoFunc)
00065 IMPLEMENT_PROTOTYPE(XMLHttpRequestProto,XMLHttpRequestProtoFunc)
00066
00067 namespace KJS {
00068
00069 XMLHttpRequestQObject::XMLHttpRequestQObject(XMLHttpRequest *_jsObject)
00070 {
00071 jsObject = _jsObject;
00072 }
00073
00074 #ifdef APPLE_CHANGES
00075 void XMLHttpRequestQObject::slotData( KIO::Job* job, const char *data, int size )
00076 {
00077 jsObject->slotData(job, data, size);
00078 }
00079 #else
00080 void XMLHttpRequestQObject::slotData( KIO::Job* job, const QByteArray &data )
00081 {
00082 jsObject->slotData(job, data);
00083 }
00084 #endif
00085
00086 void XMLHttpRequestQObject::slotFinished( KIO::Job* job )
00087 {
00088 jsObject->slotFinished(job);
00089 }
00090
00091 void XMLHttpRequestQObject::slotRedirection( KIO::Job* job, const KURL& url)
00092 {
00093 jsObject->slotRedirection( job, url );
00094 }
00095
00096 XMLHttpRequestConstructorImp::XMLHttpRequestConstructorImp(ExecState *, const DOM::Document &d)
00097 : ObjectImp(), doc(d)
00098 {
00099 }
00100
00101 bool XMLHttpRequestConstructorImp::implementsConstruct() const
00102 {
00103 return true;
00104 }
00105
00106 Object XMLHttpRequestConstructorImp::construct(ExecState *exec, const List &)
00107 {
00108 return Object(new XMLHttpRequest(exec, doc));
00109 }
00110
00111 const ClassInfo XMLHttpRequest::info = { "XMLHttpRequest", 0, &XMLHttpRequestTable, 0 };
00112
00113
00114
00115
00116
00117
00118
00119
00120
00121
00122
00123
00124
00125 Value XMLHttpRequest::tryGet(ExecState *exec, const Identifier &propertyName) const
00126 {
00127 return DOMObjectLookupGetValue<XMLHttpRequest,DOMObject>(exec, propertyName, &XMLHttpRequestTable, this);
00128 }
00129
00130 Value XMLHttpRequest::getValueProperty(ExecState *exec, int token) const
00131 {
00132 switch (token) {
00133 case ReadyState:
00134 return Number(state);
00135 case ResponseText:
00136 return getString(DOM::DOMString(response));
00137 case ResponseXML:
00138 if (state != Completed) {
00139 return Undefined();
00140 }
00141 if (!createdDocument) {
00142 QString mimeType = "text/xml";
00143
00144 Value header = getResponseHeader("Content-Type");
00145 if (header.type() != UndefinedType) {
00146 mimeType = QStringList::split(";", header.toString(exec).qstring())[0].stripWhiteSpace();
00147 }
00148
00149 if (mimeType == "text/xml" || mimeType == "application/xml" || mimeType == "application/xhtml+xml") {
00150 responseXML = DOM::Document(doc->implementation()->createDocument());
00151
00152 DOM::DocumentImpl *docImpl = static_cast<DOM::DocumentImpl *>(responseXML.handle());
00153
00154 docImpl->open();
00155 docImpl->write(response);
00156 docImpl->finishParsing();
00157 docImpl->close();
00158
00159 typeIsXML = true;
00160 } else {
00161 typeIsXML = false;
00162 }
00163 createdDocument = true;
00164 }
00165
00166 if (!typeIsXML) {
00167 return Undefined();
00168 }
00169
00170 return getDOMNode(exec,responseXML);
00171 case Status:
00172 return getStatus();
00173 case StatusText:
00174 return getStatusText();
00175 case Onreadystatechange:
00176 if (onReadyStateChangeListener && onReadyStateChangeListener->listenerObjImp()) {
00177 return onReadyStateChangeListener->listenerObj();
00178 } else {
00179 return Null();
00180 }
00181 case Onload:
00182 if (onLoadListener && onLoadListener->listenerObjImp()) {
00183 return onLoadListener->listenerObj();
00184 } else {
00185 return Null();
00186 }
00187 default:
00188 kdWarning() << "XMLHttpRequest::getValueProperty unhandled token " << token << endl;
00189 return Value();
00190 }
00191 }
00192
00193 void XMLHttpRequest::tryPut(ExecState *exec, const Identifier &propertyName, const Value& value, int attr)
00194 {
00195 DOMObjectLookupPut<XMLHttpRequest,DOMObject>(exec, propertyName, value, attr, &XMLHttpRequestTable, this );
00196 }
00197
00198 void XMLHttpRequest::putValueProperty(ExecState *exec, int token, const Value& value, int )
00199 {
00200 switch(token) {
00201 case Onreadystatechange:
00202 onReadyStateChangeListener = Window::retrieveActive(exec)->getJSEventListener(value, true);
00203 if (onReadyStateChangeListener) onReadyStateChangeListener->ref();
00204 break;
00205 case Onload:
00206 onLoadListener = Window::retrieveActive(exec)->getJSEventListener(value, true);
00207 if (onLoadListener) onLoadListener->ref();
00208 break;
00209 default:
00210 kdWarning() << "HTMLDocument::putValue unhandled token " << token << endl;
00211 }
00212 }
00213
00214 XMLHttpRequest::XMLHttpRequest(ExecState *exec, const DOM::Document &d)
00215 : DOMObject(XMLHttpRequestProto::self(exec)),
00216 qObject(new XMLHttpRequestQObject(this)),
00217 doc(static_cast<DOM::DocumentImpl*>(d.handle())),
00218 async(true),
00219 job(0),
00220 state(Uninitialized),
00221 onReadyStateChangeListener(0),
00222 onLoadListener(0),
00223 decoder(0),
00224 createdDocument(false),
00225 aborted(false)
00226 {
00227 }
00228
00229 XMLHttpRequest::~XMLHttpRequest()
00230 {
00231 delete qObject;
00232 qObject = 0;
00233 delete decoder;
00234 decoder = 0;
00235 }
00236
00237 void XMLHttpRequest::changeState(XMLHttpRequestState newState)
00238 {
00239 if (state != newState) {
00240 state = newState;
00241
00242 if (onReadyStateChangeListener != 0 && doc->view() && doc->view()->part()) {
00243 DOM::Event ev = doc->view()->part()->document().createEvent("HTMLEvents");
00244 ev.initEvent("readystatechange", true, true);
00245 onReadyStateChangeListener->handleEvent(ev);
00246 }
00247
00248 if (state == Completed && onLoadListener != 0 && doc->view() && doc->view()->part()) {
00249 DOM::Event ev = doc->view()->part()->document().createEvent("HTMLEvents");
00250 ev.initEvent("load", true, true);
00251 onLoadListener->handleEvent(ev);
00252 }
00253 }
00254 }
00255
00256 bool XMLHttpRequest::urlMatchesDocumentDomain(const KURL& _url) const
00257 {
00258 KURL documentURL(doc->URL());
00259
00260
00261 if (documentURL.protocol().lower() == "file") {
00262 return true;
00263 }
00264
00265
00266 if (documentURL.protocol().lower() == _url.protocol().lower() &&
00267 documentURL.host().lower() == _url.host().lower() &&
00268 documentURL.port() == _url.port()) {
00269 return true;
00270 }
00271
00272 return false;
00273 }
00274
00275 void XMLHttpRequest::open(const QString& _method, const KURL& _url, bool _async)
00276 {
00277 abort();
00278 aborted = false;
00279
00280
00281 requestHeaders = QString();
00282 responseHeaders = QString();
00283 response = QString();
00284 createdDocument = false;
00285 responseXML = DOM::Document();
00286
00287 changeState(Uninitialized);
00288
00289 if (aborted) {
00290 return;
00291 }
00292
00293 if (!urlMatchesDocumentDomain(_url)) {
00294 return;
00295 }
00296
00297
00298 method = _method;
00299 url = _url;
00300 async = _async;
00301
00302 changeState(Loading);
00303 }
00304
00305 void XMLHttpRequest::send(const QString& _body)
00306 {
00307 aborted = false;
00308
00309 if (method.lower() == "post" && (url.protocol().lower() == "http" || url.protocol().lower() == "https") ) {
00310
00311 job = KIO::http_post( url, QCString(_body.utf8()), false );
00312 }
00313 else
00314 {
00315 job = KIO::get( url, false, false );
00316 }
00317 if (requestHeaders.length() > 0) {
00318 job->addMetaData("customHTTPHeader", requestHeaders);
00319 }
00320 job->addMetaData( "PropagateHttpHeader", "true" );
00321
00322 if (!async) {
00323 QByteArray data;
00324 KURL finalURL;
00325 QString headers;
00326
00327 #ifdef APPLE_CHANGES
00328 data = KWQServeSynchronousRequest(khtml::Cache::loader(), doc->docLoader(), job, finalURL, headers);
00329 #else
00330 QMap<QString, QString> metaData;
00331 if ( NetAccess::synchronousRun( job, 0, &data, &finalURL, &metaData ) ) {
00332 headers = metaData[ "HTTP-Headers" ];
00333 }
00334 #endif
00335 job = 0;
00336 processSyncLoadResults(data, finalURL, headers);
00337 return;
00338 }
00339
00340 qObject->connect( job, SIGNAL( result( KIO::Job* ) ),
00341 SLOT( slotFinished( KIO::Job* ) ) );
00342 #ifdef APPLE_CHANGES
00343 qObject->connect( job, SIGNAL( data( KIO::Job*, const char*, int ) ),
00344 SLOT( slotData( KIO::Job*, const char*, int ) ) );
00345 #else
00346 qObject->connect( job, SIGNAL( data( KIO::Job*, const QByteArray& ) ),
00347 SLOT( slotData( KIO::Job*, const QByteArray& ) ) );
00348 #endif
00349 qObject->connect( job, SIGNAL(redirection(KIO::Job*, const KURL& ) ),
00350 SLOT( slotRedirection(KIO::Job*, const KURL&) ) );
00351
00352 #ifdef APPLE_CHANGES
00353 KWQServeRequest(khtml::Cache::loader(), doc->docLoader(), job);
00354 #else
00355 KIO::Scheduler::scheduleJob( job );
00356 #endif
00357 }
00358
00359 void XMLHttpRequest::abort()
00360 {
00361 if (job) {
00362 job->kill();
00363 job = 0;
00364 }
00365 delete decoder;
00366 decoder = 0;
00367 aborted = true;
00368 }
00369
00370 void XMLHttpRequest::setRequestHeader(const QString& name, const QString &value)
00371 {
00372 if (requestHeaders.length() > 0) {
00373 requestHeaders += "\r\n";
00374 }
00375 requestHeaders += name;
00376 requestHeaders += ": ";
00377 requestHeaders += value;
00378 }
00379
00380 Value XMLHttpRequest::getAllResponseHeaders() const
00381 {
00382 if (responseHeaders.isEmpty()) {
00383 return Undefined();
00384 }
00385
00386 int endOfLine = responseHeaders.find("\n");
00387
00388 if (endOfLine == -1) {
00389 return Undefined();
00390 }
00391
00392 return String(responseHeaders.mid(endOfLine + 1) + "\n");
00393 }
00394
00395 Value XMLHttpRequest::getResponseHeader(const QString& name) const
00396 {
00397 if (responseHeaders.isEmpty()) {
00398 return Undefined();
00399 }
00400
00401 QRegExp headerLinePattern(name + ":", false);
00402
00403 int matchLength;
00404 int headerLinePos = headerLinePattern.search(responseHeaders, 0);
00405 matchLength = headerLinePattern.matchedLength();
00406 while (headerLinePos != -1) {
00407 if (headerLinePos == 0 || responseHeaders[headerLinePos-1] == '\n') {
00408 break;
00409 }
00410
00411 headerLinePos = headerLinePattern.search(responseHeaders, headerLinePos + 1);
00412 matchLength = headerLinePattern.matchedLength();
00413 }
00414
00415
00416 if (headerLinePos == -1) {
00417 return Undefined();
00418 }
00419
00420 int endOfLine = responseHeaders.find("\n", headerLinePos + matchLength);
00421
00422 return String(responseHeaders.mid(headerLinePos + matchLength, endOfLine - (headerLinePos + matchLength)).stripWhiteSpace());
00423 }
00424
00425 Value XMLHttpRequest::getStatus() const
00426 {
00427 if (responseHeaders.isEmpty()) {
00428 return Undefined();
00429 }
00430
00431 int endOfLine = responseHeaders.find("\n");
00432 QString firstLine = endOfLine == -1 ? responseHeaders : responseHeaders.left(endOfLine);
00433 int codeStart = firstLine.find(" ");
00434 int codeEnd = firstLine.find(" ", codeStart + 1);
00435
00436 if (codeStart == -1 || codeEnd == -1) {
00437 return Undefined();
00438 }
00439
00440 QString number = firstLine.mid(codeStart + 1, codeEnd - (codeStart + 1));
00441
00442 bool ok = false;
00443 int code = number.toInt(&ok);
00444 if (!ok) {
00445 return Undefined();
00446 }
00447
00448 return Number(code);
00449 }
00450
00451 Value XMLHttpRequest::getStatusText() const
00452 {
00453 if (responseHeaders.isEmpty()) {
00454 return Undefined();
00455 }
00456
00457 int endOfLine = responseHeaders.find("\n");
00458 QString firstLine = endOfLine == -1 ? responseHeaders : responseHeaders.left(endOfLine);
00459 int codeStart = firstLine.find(" ");
00460 int codeEnd = firstLine.find(" ", codeStart + 1);
00461
00462 if (codeStart == -1 || codeEnd == -1) {
00463 return Undefined();
00464 }
00465
00466 QString statusText = firstLine.mid(codeEnd + 1, endOfLine - (codeEnd + 1)).stripWhiteSpace();
00467
00468 return String(statusText);
00469 }
00470
00471 void XMLHttpRequest::processSyncLoadResults(const QByteArray &data, const KURL &finalURL, const QString &headers)
00472 {
00473 if (!urlMatchesDocumentDomain(finalURL)) {
00474 abort();
00475 return;
00476 }
00477
00478 responseHeaders = headers;
00479 changeState(Loaded);
00480 if (aborted) {
00481 return;
00482 }
00483
00484 #ifdef APPLE_CHANGES
00485 const char *bytes = (const char *)data.data();
00486 int len = (int)data.size();
00487
00488 slotData(0, bytes, len);
00489 #else
00490 slotData(0, data);
00491 #endif
00492
00493 if (aborted) {
00494 return;
00495 }
00496
00497 slotFinished(0);
00498 }
00499
00500 void XMLHttpRequest::slotFinished(KIO::Job *job)
00501 {
00502 if (decoder) {
00503 response += decoder->flush();
00504 }
00505
00506 changeState(Completed);
00507 job = 0;
00508
00509 delete decoder;
00510 decoder = 0;
00511 }
00512
00513 void XMLHttpRequest::slotRedirection(KIO::Job*, const KURL& url)
00514 {
00515 if (!urlMatchesDocumentDomain(url)) {
00516 abort();
00517 }
00518 }
00519
00520 #ifdef APPLE_CHANGES
00521 void XMLHttpRequest::slotData( KIO::Job*, const char *data, int len )
00522 #else
00523 void XMLHttpRequest::slotData(KIO::Job*, const QByteArray &_data)
00524 #endif
00525 {
00526 if (state < Loaded ) {
00527 responseHeaders = job->queryMetaData("HTTP-Headers");
00528 changeState(Loaded);
00529 }
00530
00531 #ifndef APPLE_CHANGES
00532 const char *data = (const char *)_data.data();
00533 int len = (int)_data.size();
00534 #endif
00535
00536 if ( decoder == NULL ) {
00537 decoder = new Decoder;
00538 if (!encoding.isNull())
00539 decoder->setEncoding(encoding.latin1());
00540 else {
00541
00542 }
00543 }
00544 if (len == 0)
00545 return;
00546
00547 if (len == -1)
00548 len = strlen(data);
00549
00550 QString decoded = decoder->decode(data, len);
00551
00552 response += decoded;
00553
00554 if (!aborted) {
00555 changeState(Interactive);
00556 }
00557 }
00558
00559 Value XMLHttpRequestProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
00560 {
00561 if (!thisObj.inherits(&XMLHttpRequest::info)) {
00562 Object err = Error::create(exec,TypeError);
00563 exec->setException(err);
00564 return err;
00565 }
00566
00567 XMLHttpRequest *request = static_cast<XMLHttpRequest *>(thisObj.imp());
00568
00569 switch (id) {
00570 case XMLHttpRequest::Abort:
00571 request->abort();
00572 return Undefined();
00573 case XMLHttpRequest::GetAllResponseHeaders:
00574 if (args.size() != 0) {
00575 return Undefined();
00576 }
00577
00578 return request->getAllResponseHeaders();
00579 case XMLHttpRequest::GetResponseHeader:
00580 if (args.size() != 1) {
00581 return Undefined();
00582 }
00583
00584 return request->getResponseHeader(args[0].toString(exec).qstring());
00585 case XMLHttpRequest::Open:
00586 {
00587 if (args.size() < 2 || args.size() > 5) {
00588 return Undefined();
00589 }
00590
00591 QString method = args[0].toString(exec).qstring();
00592 KHTMLPart *part = ::qt_cast<KHTMLPart *>(Window::retrieveActive(exec)->part());
00593 if (!part)
00594 return Undefined();
00595 KURL url = KURL(part->document().completeURL(args[1].toString(exec).qstring()).string());
00596
00597 bool async = true;
00598 if (args.size() >= 3) {
00599 async = args[2].toBoolean(exec);
00600 }
00601
00602 if (args.size() >= 4) {
00603 url.setUser(args[3].toString(exec).qstring());
00604 }
00605
00606 if (args.size() >= 5) {
00607 url.setPass(args[4].toString(exec).qstring());
00608 }
00609
00610 request->open(method, url, async);
00611
00612 return Undefined();
00613 }
00614 case XMLHttpRequest::Send:
00615 {
00616 if (args.size() > 1) {
00617 return Undefined();
00618 }
00619
00620 if (request->state != Loading) {
00621 return Undefined();
00622 }
00623
00624 QString body;
00625
00626 if (args.size() >= 1) {
00627 if (args[0].toObject(exec).inherits(&DOMDocument::info)) {
00628 DOM::Node docNode = static_cast<KJS::DOMDocument *>(args[0].toObject(exec).imp())->toNode();
00629 DOM::DocumentImpl *doc = static_cast<DOM::DocumentImpl *>(docNode.handle());
00630
00631 try {
00632 body = doc->toString().string();
00633
00634
00635 } catch(DOM::DOMException& e) {
00636 Object err = Error::create(exec, GeneralError, "Exception serializing document");
00637 exec->setException(err);
00638 }
00639 } else {
00640
00641 exec->clearException();
00642 body = args[0].toString(exec).qstring();
00643 }
00644 }
00645
00646 request->send(body);
00647
00648 return Undefined();
00649 }
00650 case XMLHttpRequest::SetRequestHeader:
00651 if (args.size() != 2) {
00652 return Undefined();
00653 }
00654
00655 request->setRequestHeader(args[0].toString(exec).qstring(), args[1].toString(exec).qstring());
00656
00657 return Undefined();
00658 }
00659
00660 return Undefined();
00661 }
00662
00663 }
00664
00665 #include "xmlhttprequest.moc"