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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() << "XMLHttpRequest::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 if (method.lower() == "post" && (url.protocol().lower() == "http" || url.protocol().lower() == "https") ) {
00309
00310 job = KIO::http_post( url, QCString(_body.utf8()), false );
00311 }
00312 else
00313 {
00314 job = KIO::get( url, false, false );
00315 }
00316 if (requestHeaders.length() > 0) {
00317 job->addMetaData("customHTTPHeader", requestHeaders);
00318 }
00319 job->addMetaData( "PropagateHttpHeader", "true" );
00320
00321 if (!async) {
00322 QByteArray data;
00323 KURL finalURL;
00324 QString headers;
00325
00326 #ifdef APPLE_CHANGES
00327 data = KWQServeSynchronousRequest(khtml::Cache::loader(), doc->docLoader(), job, finalURL, headers);
00328 #else
00329 QMap<QString, QString> metaData;
00330 if ( NetAccess::synchronousRun( job, 0, &data, &finalURL, &metaData ) ) {
00331 headers = metaData[ "HTTP-Headers" ];
00332 }
00333 #endif
00334 job = 0;
00335 processSyncLoadResults(data, finalURL, headers);
00336 return;
00337 }
00338
00339 qObject->connect( job, SIGNAL( result( KIO::Job* ) ),
00340 SLOT( slotFinished( KIO::Job* ) ) );
00341 #ifdef APPLE_CHANGES
00342 qObject->connect( job, SIGNAL( data( KIO::Job*, const char*, int ) ),
00343 SLOT( slotData( KIO::Job*, const char*, int ) ) );
00344 #else
00345 qObject->connect( job, SIGNAL( data( KIO::Job*, const QByteArray& ) ),
00346 SLOT( slotData( KIO::Job*, const QByteArray& ) ) );
00347 #endif
00348 qObject->connect( job, SIGNAL(redirection(KIO::Job*, const KURL& ) ),
00349 SLOT( slotRedirection(KIO::Job*, const KURL&) ) );
00350
00351 #ifdef APPLE_CHANGES
00352 KWQServeRequest(khtml::Cache::loader(), doc->docLoader(), job);
00353 #else
00354 KIO::Scheduler::scheduleJob( job );
00355 #endif
00356 }
00357
00358 void XMLHttpRequest::abort()
00359 {
00360 if (job) {
00361 job->kill();
00362 job = 0;
00363 }
00364 delete decoder;
00365 decoder = 0;
00366 aborted = true;
00367 }
00368
00369 void XMLHttpRequest::setRequestHeader(const QString& name, const QString &value)
00370 {
00371 if (requestHeaders.length() > 0) {
00372 requestHeaders += "\r\n";
00373 }
00374 requestHeaders += name;
00375 requestHeaders += ": ";
00376 requestHeaders += value;
00377 }
00378
00379 Value XMLHttpRequest::getAllResponseHeaders() const
00380 {
00381 if (responseHeaders.isEmpty()) {
00382 return Undefined();
00383 }
00384
00385 int endOfLine = responseHeaders.find("\n");
00386
00387 if (endOfLine == -1) {
00388 return Undefined();
00389 }
00390
00391 return String(responseHeaders.mid(endOfLine + 1) + "\n");
00392 }
00393
00394 Value XMLHttpRequest::getResponseHeader(const QString& name) const
00395 {
00396 if (responseHeaders.isEmpty()) {
00397 return Undefined();
00398 }
00399
00400 QRegExp headerLinePattern(name + ":", false);
00401
00402 int matchLength;
00403 int headerLinePos = headerLinePattern.search(responseHeaders, 0);
00404 matchLength = headerLinePattern.matchedLength();
00405 while (headerLinePos != -1) {
00406 if (headerLinePos == 0 || responseHeaders[headerLinePos-1] == '\n') {
00407 break;
00408 }
00409
00410 headerLinePos = headerLinePattern.search(responseHeaders, headerLinePos + 1);
00411 matchLength = headerLinePattern.matchedLength();
00412 }
00413
00414
00415 if (headerLinePos == -1) {
00416 return Undefined();
00417 }
00418
00419 int endOfLine = responseHeaders.find("\n", headerLinePos + matchLength);
00420
00421 return String(responseHeaders.mid(headerLinePos + matchLength, endOfLine - (headerLinePos + matchLength)).stripWhiteSpace());
00422 }
00423
00424 Value XMLHttpRequest::getStatus() const
00425 {
00426 if (responseHeaders.isEmpty()) {
00427 return Undefined();
00428 }
00429
00430 int endOfLine = responseHeaders.find("\n");
00431 QString firstLine = endOfLine == -1 ? responseHeaders : responseHeaders.left(endOfLine);
00432 int codeStart = firstLine.find(" ");
00433 int codeEnd = firstLine.find(" ", codeStart + 1);
00434
00435 if (codeStart == -1 || codeEnd == -1) {
00436 return Undefined();
00437 }
00438
00439 QString number = firstLine.mid(codeStart + 1, codeEnd - (codeStart + 1));
00440
00441 bool ok = false;
00442 int code = number.toInt(&ok);
00443 if (!ok) {
00444 return Undefined();
00445 }
00446
00447 return Number(code);
00448 }
00449
00450 Value XMLHttpRequest::getStatusText() const
00451 {
00452 if (responseHeaders.isEmpty()) {
00453 return Undefined();
00454 }
00455
00456 int endOfLine = responseHeaders.find("\n");
00457 QString firstLine = endOfLine == -1 ? responseHeaders : responseHeaders.left(endOfLine);
00458 int codeStart = firstLine.find(" ");
00459 int codeEnd = firstLine.find(" ", codeStart + 1);
00460
00461 if (codeStart == -1 || codeEnd == -1) {
00462 return Undefined();
00463 }
00464
00465 QString statusText = firstLine.mid(codeEnd + 1, endOfLine - (codeEnd + 1)).stripWhiteSpace();
00466
00467 return String(statusText);
00468 }
00469
00470 void XMLHttpRequest::processSyncLoadResults(const QByteArray &data, const KURL &finalURL, const QString &headers)
00471 {
00472 if (!urlMatchesDocumentDomain(finalURL)) {
00473 abort();
00474 return;
00475 }
00476
00477 responseHeaders = headers;
00478 changeState(Loaded);
00479 if (aborted) {
00480 return;
00481 }
00482
00483 #ifdef APPLE_CHANGES
00484 const char *bytes = (const char *)data.data();
00485 int len = (int)data.size();
00486
00487 slotData(0, bytes, len);
00488 #else
00489 slotData(0, data);
00490 #endif
00491
00492 if (aborted) {
00493 return;
00494 }
00495
00496 slotFinished(0);
00497 }
00498
00499 void XMLHttpRequest::slotFinished(KIO::Job *)
00500 {
00501 if (decoder) {
00502 response += decoder->flush();
00503 }
00504
00505
00506
00507 job = 0;
00508 changeState(Completed);
00509
00510 delete decoder;
00511 decoder = 0;
00512 }
00513
00514 void XMLHttpRequest::slotRedirection(KIO::Job*, const KURL& url)
00515 {
00516 if (!urlMatchesDocumentDomain(url)) {
00517 abort();
00518 }
00519 }
00520
00521 #ifdef APPLE_CHANGES
00522 void XMLHttpRequest::slotData( KIO::Job*, const char *data, int len )
00523 #else
00524 void XMLHttpRequest::slotData(KIO::Job*, const QByteArray &_data)
00525 #endif
00526 {
00527 if (state < Loaded ) {
00528 responseHeaders = job->queryMetaData("HTTP-Headers");
00529 changeState(Loaded);
00530 }
00531
00532 #ifndef APPLE_CHANGES
00533 const char *data = (const char *)_data.data();
00534 int len = (int)_data.size();
00535 #endif
00536
00537 if ( decoder == NULL ) {
00538 decoder = new Decoder;
00539 if (!encoding.isNull())
00540 decoder->setEncoding(encoding.latin1());
00541 else {
00542
00543 }
00544 }
00545 if (len == 0)
00546 return;
00547
00548 if (len == -1)
00549 len = strlen(data);
00550
00551 QString decoded = decoder->decode(data, len);
00552
00553 response += decoded;
00554
00555 if (!aborted) {
00556 changeState(Interactive);
00557 }
00558 }
00559
00560 Value XMLHttpRequestProtoFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
00561 {
00562 if (!thisObj.inherits(&XMLHttpRequest::info)) {
00563 Object err = Error::create(exec,TypeError);
00564 exec->setException(err);
00565 return err;
00566 }
00567
00568 XMLHttpRequest *request = static_cast<XMLHttpRequest *>(thisObj.imp());
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 Object obj = Object::dynamicCast(args[0]);
00628 if (!obj.isNull() && obj.inherits(&DOMDocument::info)) {
00629 DOM::Node docNode = static_cast<KJS::DOMDocument *>(obj.imp())->toNode();
00630 DOM::DocumentImpl *doc = static_cast<DOM::DocumentImpl *>(docNode.handle());
00631
00632 try {
00633 body = doc->toString().string();
00634
00635
00636 } catch(DOM::DOMException& e) {
00637 Object err = Error::create(exec, GeneralError, "Exception serializing document");
00638 exec->setException(err);
00639 }
00640 } else {
00641 body = args[0].toString(exec).qstring();
00642 }
00643 }
00644
00645 request->send(body);
00646
00647 return Undefined();
00648 }
00649 case XMLHttpRequest::SetRequestHeader:
00650 if (args.size() != 2) {
00651 return Undefined();
00652 }
00653
00654 request->setRequestHeader(args[0].toString(exec).qstring(), args[1].toString(exec).qstring());
00655
00656 return Undefined();
00657 }
00658
00659 return Undefined();
00660 }
00661
00662 }
00663
00664 #include "xmlhttprequest.moc"