| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtNetwork module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. Please review the following |
| 32 | ** information to ensure the GNU General Public License requirements will |
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | //#define QHTTPTHREADDELEGATE_DEBUG |
| 41 | #include "qhttpthreaddelegate_p.h" |
| 42 | |
| 43 | #include <QThread> |
| 44 | #include <QTimer> |
| 45 | #include <QAuthenticator> |
| 46 | #include <QEventLoop> |
| 47 | #include <QCryptographicHash> |
| 48 | |
| 49 | #include "private/qhttpnetworkreply_p.h" |
| 50 | #include "private/qnetworkaccesscache_p.h" |
| 51 | #include "private/qnoncontiguousbytedevice_p.h" |
| 52 | |
| 53 | QT_BEGIN_NAMESPACE |
| 54 | |
| 55 | static QNetworkReply::NetworkError statusCodeFromHttp(int httpStatusCode, const QUrl &url) |
| 56 | { |
| 57 | QNetworkReply::NetworkError code; |
| 58 | // we've got an error |
| 59 | switch (httpStatusCode) { |
| 60 | case 400: // Bad Request |
| 61 | code = QNetworkReply::ProtocolInvalidOperationError; |
| 62 | break; |
| 63 | |
| 64 | case 401: // Authorization required |
| 65 | code = QNetworkReply::AuthenticationRequiredError; |
| 66 | break; |
| 67 | |
| 68 | case 403: // Access denied |
| 69 | code = QNetworkReply::ContentAccessDenied; |
| 70 | break; |
| 71 | |
| 72 | case 404: // Not Found |
| 73 | code = QNetworkReply::ContentNotFoundError; |
| 74 | break; |
| 75 | |
| 76 | case 405: // Method Not Allowed |
| 77 | code = QNetworkReply::ContentOperationNotPermittedError; |
| 78 | break; |
| 79 | |
| 80 | case 407: |
| 81 | code = QNetworkReply::ProxyAuthenticationRequiredError; |
| 82 | break; |
| 83 | |
| 84 | case 409: // Resource Conflict |
| 85 | code = QNetworkReply::ContentConflictError; |
| 86 | break; |
| 87 | |
| 88 | case 410: // Content no longer available |
| 89 | code = QNetworkReply::ContentGoneError; |
| 90 | break; |
| 91 | |
| 92 | case 418: // I'm a teapot |
| 93 | code = QNetworkReply::ProtocolInvalidOperationError; |
| 94 | break; |
| 95 | |
| 96 | case 500: // Internal Server Error |
| 97 | code = QNetworkReply::InternalServerError; |
| 98 | break; |
| 99 | |
| 100 | case 501: // Server does not support this functionality |
| 101 | code = QNetworkReply::OperationNotImplementedError; |
| 102 | break; |
| 103 | |
| 104 | case 503: // Service unavailable |
| 105 | code = QNetworkReply::ServiceUnavailableError; |
| 106 | break; |
| 107 | |
| 108 | default: |
| 109 | if (httpStatusCode > 500) { |
| 110 | // some kind of server error |
| 111 | code = QNetworkReply::UnknownServerError; |
| 112 | } else if (httpStatusCode >= 400) { |
| 113 | // content error we did not handle above |
| 114 | code = QNetworkReply::UnknownContentError; |
| 115 | } else { |
| 116 | qWarning("QNetworkAccess: got HTTP status code %d which is not expected from url: \"%s\"" , |
| 117 | httpStatusCode, qPrintable(url.toString())); |
| 118 | code = QNetworkReply::ProtocolFailure; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | return code; |
| 123 | } |
| 124 | |
| 125 | |
| 126 | static QByteArray makeCacheKey(QUrl &url, QNetworkProxy *proxy, const QString &peerVerifyName) |
| 127 | { |
| 128 | QString result; |
| 129 | QUrl copy = url; |
| 130 | QString scheme = copy.scheme(); |
| 131 | bool isEncrypted = scheme == QLatin1String("https" ) |
| 132 | || scheme == QLatin1String("preconnect-https" ); |
| 133 | copy.setPort(copy.port(isEncrypted ? 443 : 80)); |
| 134 | if (scheme == QLatin1String("preconnect-http" )) { |
| 135 | copy.setScheme(QLatin1String("http" )); |
| 136 | } else if (scheme == QLatin1String("preconnect-https" )) { |
| 137 | copy.setScheme(QLatin1String("https" )); |
| 138 | } |
| 139 | result = copy.toString(QUrl::RemoveUserInfo | QUrl::RemovePath | |
| 140 | QUrl::RemoveQuery | QUrl::RemoveFragment | QUrl::FullyEncoded); |
| 141 | |
| 142 | #ifndef QT_NO_NETWORKPROXY |
| 143 | if (proxy && proxy->type() != QNetworkProxy::NoProxy) { |
| 144 | QUrl key; |
| 145 | |
| 146 | switch (proxy->type()) { |
| 147 | case QNetworkProxy::Socks5Proxy: |
| 148 | key.setScheme(QLatin1String("proxy-socks5" )); |
| 149 | break; |
| 150 | |
| 151 | case QNetworkProxy::HttpProxy: |
| 152 | case QNetworkProxy::HttpCachingProxy: |
| 153 | key.setScheme(QLatin1String("proxy-http" )); |
| 154 | break; |
| 155 | |
| 156 | default: |
| 157 | break; |
| 158 | } |
| 159 | |
| 160 | if (!key.scheme().isEmpty()) { |
| 161 | const QByteArray obfuscatedPassword = QCryptographicHash::hash(proxy->password().toUtf8(), |
| 162 | QCryptographicHash::Sha1).toHex(); |
| 163 | key.setUserName(proxy->user()); |
| 164 | key.setPassword(QString::fromUtf8(obfuscatedPassword)); |
| 165 | key.setHost(proxy->hostName()); |
| 166 | key.setPort(proxy->port()); |
| 167 | key.setQuery(result); |
| 168 | result = key.toString(QUrl::FullyEncoded); |
| 169 | } |
| 170 | } |
| 171 | #else |
| 172 | Q_UNUSED(proxy); |
| 173 | #endif |
| 174 | if (!peerVerifyName.isEmpty()) |
| 175 | result += QLatin1Char(':') + peerVerifyName; |
| 176 | return "http-connection:" + std::move(result).toLatin1(); |
| 177 | } |
| 178 | |
| 179 | class QNetworkAccessCachedHttpConnection: public QHttpNetworkConnection, |
| 180 | public QNetworkAccessCache::CacheableObject |
| 181 | { |
| 182 | // Q_OBJECT |
| 183 | public: |
| 184 | QNetworkAccessCachedHttpConnection(const QString &hostName, quint16 port, bool encrypt, |
| 185 | QHttpNetworkConnection::ConnectionType connectionType) |
| 186 | : QHttpNetworkConnection(hostName, port, encrypt, connectionType) |
| 187 | { |
| 188 | setExpires(true); |
| 189 | setShareable(true); |
| 190 | } |
| 191 | |
| 192 | virtual void dispose() override |
| 193 | { |
| 194 | #if 0 // sample code; do this right with the API |
| 195 | Q_ASSERT(!isWorking()); |
| 196 | #endif |
| 197 | delete this; |
| 198 | } |
| 199 | }; |
| 200 | |
| 201 | |
| 202 | QThreadStorage<QNetworkAccessCache *> QHttpThreadDelegate::connections; |
| 203 | |
| 204 | |
| 205 | QHttpThreadDelegate::~QHttpThreadDelegate() |
| 206 | { |
| 207 | // It could be that the main thread has asked us to shut down, so we need to delete the HTTP reply |
| 208 | if (httpReply) { |
| 209 | delete httpReply; |
| 210 | } |
| 211 | |
| 212 | // Get the object cache that stores our QHttpNetworkConnection objects |
| 213 | // and release the entry for this QHttpNetworkConnection |
| 214 | if (connections.hasLocalData() && !cacheKey.isEmpty()) { |
| 215 | connections.localData()->releaseEntry(cacheKey); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | |
| 220 | QHttpThreadDelegate::QHttpThreadDelegate(QObject *parent) : |
| 221 | QObject(parent) |
| 222 | , ssl(false) |
| 223 | , downloadBufferMaximumSize(0) |
| 224 | , readBufferMaxSize(0) |
| 225 | , bytesEmitted(0) |
| 226 | , pendingDownloadData() |
| 227 | , pendingDownloadProgress() |
| 228 | , synchronous(false) |
| 229 | , incomingStatusCode(0) |
| 230 | , isPipeliningUsed(false) |
| 231 | , isHttp2Used(false) |
| 232 | , incomingContentLength(-1) |
| 233 | , removedContentLength(-1) |
| 234 | , incomingErrorCode(QNetworkReply::NoError) |
| 235 | , downloadBuffer() |
| 236 | , httpConnection(nullptr) |
| 237 | , httpReply(nullptr) |
| 238 | , synchronousRequestLoop(nullptr) |
| 239 | { |
| 240 | } |
| 241 | |
| 242 | // This is invoked as BlockingQueuedConnection from QNetworkAccessHttpBackend in the user thread |
| 243 | void QHttpThreadDelegate::startRequestSynchronously() |
| 244 | { |
| 245 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 246 | qDebug() << "QHttpThreadDelegate::startRequestSynchronously() thread=" << QThread::currentThreadId(); |
| 247 | #endif |
| 248 | synchronous = true; |
| 249 | |
| 250 | QEventLoop synchronousRequestLoop; |
| 251 | this->synchronousRequestLoop = &synchronousRequestLoop; |
| 252 | |
| 253 | // Worst case timeout |
| 254 | QTimer::singleShot(30*1000, this, SLOT(abortRequest())); |
| 255 | |
| 256 | QMetaObject::invokeMethod(this, "startRequest" , Qt::QueuedConnection); |
| 257 | synchronousRequestLoop.exec(); |
| 258 | |
| 259 | connections.localData()->releaseEntry(cacheKey); |
| 260 | connections.setLocalData(nullptr); |
| 261 | |
| 262 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 263 | qDebug() << "QHttpThreadDelegate::startRequestSynchronously() thread=" << QThread::currentThreadId() << "finished" ; |
| 264 | #endif |
| 265 | } |
| 266 | |
| 267 | |
| 268 | // This is invoked as QueuedConnection from QNetworkAccessHttpBackend in the user thread |
| 269 | void QHttpThreadDelegate::startRequest() |
| 270 | { |
| 271 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 272 | qDebug() << "QHttpThreadDelegate::startRequest() thread=" << QThread::currentThreadId(); |
| 273 | #endif |
| 274 | // Check QThreadStorage for the QNetworkAccessCache |
| 275 | // If not there, create this connection cache |
| 276 | if (!connections.hasLocalData()) { |
| 277 | connections.setLocalData(new QNetworkAccessCache()); |
| 278 | } |
| 279 | |
| 280 | // check if we have an open connection to this host |
| 281 | QUrl urlCopy = httpRequest.url(); |
| 282 | urlCopy.setPort(urlCopy.port(ssl ? 443 : 80)); |
| 283 | |
| 284 | QHttpNetworkConnection::ConnectionType connectionType |
| 285 | = httpRequest.isHTTP2Allowed() ? QHttpNetworkConnection::ConnectionTypeHTTP2 |
| 286 | : QHttpNetworkConnection::ConnectionTypeHTTP; |
| 287 | if (httpRequest.isHTTP2Direct()) { |
| 288 | Q_ASSERT(!httpRequest.isHTTP2Allowed()); |
| 289 | connectionType = QHttpNetworkConnection::ConnectionTypeHTTP2Direct; |
| 290 | } |
| 291 | |
| 292 | #if QT_CONFIG(ssl) |
| 293 | // See qnetworkreplyhttpimpl, delegate's initialization code. |
| 294 | Q_ASSERT(!ssl || incomingSslConfiguration.data()); |
| 295 | #endif // QT_CONFIG(ssl) |
| 296 | |
| 297 | const bool isH2 = httpRequest.isHTTP2Allowed() || httpRequest.isHTTP2Direct(); |
| 298 | if (isH2) { |
| 299 | #if QT_CONFIG(ssl) |
| 300 | if (ssl) { |
| 301 | if (!httpRequest.isHTTP2Direct()) { |
| 302 | QList<QByteArray> protocols; |
| 303 | protocols << QSslConfiguration::ALPNProtocolHTTP2 |
| 304 | << QSslConfiguration::NextProtocolHttp1_1; |
| 305 | incomingSslConfiguration->setAllowedNextProtocols(protocols); |
| 306 | } |
| 307 | urlCopy.setScheme(QStringLiteral("h2s" )); |
| 308 | } else |
| 309 | #endif // QT_CONFIG(ssl) |
| 310 | { |
| 311 | urlCopy.setScheme(QStringLiteral("h2" )); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | #ifndef QT_NO_NETWORKPROXY |
| 316 | if (transparentProxy.type() != QNetworkProxy::NoProxy) |
| 317 | cacheKey = makeCacheKey(urlCopy, &transparentProxy, httpRequest.peerVerifyName()); |
| 318 | else if (cacheProxy.type() != QNetworkProxy::NoProxy) |
| 319 | cacheKey = makeCacheKey(urlCopy, &cacheProxy, httpRequest.peerVerifyName()); |
| 320 | else |
| 321 | #endif |
| 322 | cacheKey = makeCacheKey(urlCopy, nullptr, httpRequest.peerVerifyName()); |
| 323 | |
| 324 | // the http object is actually a QHttpNetworkConnection |
| 325 | httpConnection = static_cast<QNetworkAccessCachedHttpConnection *>(connections.localData()->requestEntryNow(cacheKey)); |
| 326 | if (!httpConnection) { |
| 327 | // no entry in cache; create an object |
| 328 | // the http object is actually a QHttpNetworkConnection |
| 329 | httpConnection = new QNetworkAccessCachedHttpConnection(urlCopy.host(), urlCopy.port(), ssl, |
| 330 | connectionType); |
| 331 | if (connectionType == QHttpNetworkConnection::ConnectionTypeHTTP2 |
| 332 | || connectionType == QHttpNetworkConnection::ConnectionTypeHTTP2Direct) { |
| 333 | httpConnection->setHttp2Parameters(http2Parameters); |
| 334 | } |
| 335 | #ifndef QT_NO_SSL |
| 336 | // Set the QSslConfiguration from this QNetworkRequest. |
| 337 | if (ssl) |
| 338 | httpConnection->setSslConfiguration(*incomingSslConfiguration); |
| 339 | #endif |
| 340 | |
| 341 | #ifndef QT_NO_NETWORKPROXY |
| 342 | httpConnection->setTransparentProxy(transparentProxy); |
| 343 | httpConnection->setCacheProxy(cacheProxy); |
| 344 | #endif |
| 345 | httpConnection->setPeerVerifyName(httpRequest.peerVerifyName()); |
| 346 | // cache the QHttpNetworkConnection corresponding to this cache key |
| 347 | connections.localData()->addEntry(cacheKey, httpConnection); |
| 348 | } else { |
| 349 | if (httpRequest.withCredentials()) { |
| 350 | QNetworkAuthenticationCredential credential = authenticationManager->fetchCachedCredentials(httpRequest.url(), nullptr); |
| 351 | if (!credential.user.isEmpty() && !credential.password.isEmpty()) { |
| 352 | QAuthenticator auth; |
| 353 | auth.setUser(credential.user); |
| 354 | auth.setPassword(credential.password); |
| 355 | httpConnection->d_func()->copyCredentials(-1, &auth, false); |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | // Send the request to the connection |
| 361 | httpReply = httpConnection->sendRequest(httpRequest); |
| 362 | httpReply->setParent(this); |
| 363 | |
| 364 | // Connect the reply signals that we need to handle and then forward |
| 365 | if (synchronous) { |
| 366 | connect(httpReply,SIGNAL(headerChanged()), this, SLOT(synchronousHeaderChangedSlot())); |
| 367 | connect(httpReply,SIGNAL(finished()), this, SLOT(synchronousFinishedSlot())); |
| 368 | connect(httpReply,SIGNAL(finishedWithError(QNetworkReply::NetworkError,QString)), |
| 369 | this, SLOT(synchronousFinishedWithErrorSlot(QNetworkReply::NetworkError,QString))); |
| 370 | |
| 371 | connect(httpReply, SIGNAL(authenticationRequired(QHttpNetworkRequest,QAuthenticator*)), |
| 372 | this, SLOT(synchronousAuthenticationRequiredSlot(QHttpNetworkRequest,QAuthenticator*))); |
| 373 | #ifndef QT_NO_NETWORKPROXY |
| 374 | connect(httpReply, SIGNAL(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)), |
| 375 | this, SLOT(synchronousProxyAuthenticationRequiredSlot(QNetworkProxy,QAuthenticator*))); |
| 376 | #endif |
| 377 | |
| 378 | // Don't care about ignored SSL errors for now in the synchronous HTTP case. |
| 379 | } else if (!synchronous) { |
| 380 | connect(httpReply,SIGNAL(headerChanged()), this, SLOT(headerChangedSlot())); |
| 381 | connect(httpReply,SIGNAL(finished()), this, SLOT(finishedSlot())); |
| 382 | connect(httpReply,SIGNAL(finishedWithError(QNetworkReply::NetworkError,QString)), |
| 383 | this, SLOT(finishedWithErrorSlot(QNetworkReply::NetworkError,QString))); |
| 384 | // some signals are only interesting when normal asynchronous style is used |
| 385 | connect(httpReply,SIGNAL(readyRead()), this, SLOT(readyReadSlot())); |
| 386 | connect(httpReply,SIGNAL(dataReadProgress(qint64,qint64)), this, SLOT(dataReadProgressSlot(qint64,qint64))); |
| 387 | #ifndef QT_NO_SSL |
| 388 | connect(httpReply,SIGNAL(encrypted()), this, SLOT(encryptedSlot())); |
| 389 | connect(httpReply,SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(sslErrorsSlot(QList<QSslError>))); |
| 390 | connect(httpReply,SIGNAL(preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*)), |
| 391 | this, SLOT(preSharedKeyAuthenticationRequiredSlot(QSslPreSharedKeyAuthenticator*))); |
| 392 | #endif |
| 393 | |
| 394 | // In the asynchronous HTTP case we can just forward those signals |
| 395 | // Connect the reply signals that we can directly forward |
| 396 | connect(httpReply, SIGNAL(authenticationRequired(QHttpNetworkRequest,QAuthenticator*)), |
| 397 | this, SIGNAL(authenticationRequired(QHttpNetworkRequest,QAuthenticator*))); |
| 398 | #ifndef QT_NO_NETWORKPROXY |
| 399 | connect(httpReply, SIGNAL(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)), |
| 400 | this, SIGNAL(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*))); |
| 401 | #endif |
| 402 | } |
| 403 | |
| 404 | connect(httpReply, SIGNAL(cacheCredentials(QHttpNetworkRequest,QAuthenticator*)), |
| 405 | this, SLOT(cacheCredentialsSlot(QHttpNetworkRequest,QAuthenticator*))); |
| 406 | if (httpReply->errorCode() != QNetworkReply::NoError) { |
| 407 | if (synchronous) |
| 408 | synchronousFinishedWithErrorSlot(httpReply->errorCode(), httpReply->errorString()); |
| 409 | else |
| 410 | finishedWithErrorSlot(httpReply->errorCode(), httpReply->errorString()); |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | // This gets called from the user thread or by the synchronous HTTP timeout timer |
| 415 | void QHttpThreadDelegate::abortRequest() |
| 416 | { |
| 417 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 418 | qDebug() << "QHttpThreadDelegate::abortRequest() thread=" << QThread::currentThreadId() << "sync=" << synchronous; |
| 419 | #endif |
| 420 | if (httpReply) { |
| 421 | httpReply->abort(); |
| 422 | delete httpReply; |
| 423 | httpReply = nullptr; |
| 424 | } |
| 425 | |
| 426 | // Got aborted by the timeout timer |
| 427 | if (synchronous) { |
| 428 | incomingErrorCode = QNetworkReply::TimeoutError; |
| 429 | QMetaObject::invokeMethod(synchronousRequestLoop, "quit" , Qt::QueuedConnection); |
| 430 | } else { |
| 431 | //only delete this for asynchronous mode or QNetworkAccessHttpBackend will crash - see QNetworkAccessHttpBackend::postRequest() |
| 432 | this->deleteLater(); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | void QHttpThreadDelegate::readBufferSizeChanged(qint64 size) |
| 437 | { |
| 438 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 439 | qDebug() << "QHttpThreadDelegate::readBufferSizeChanged() size " << size; |
| 440 | #endif |
| 441 | if (httpReply) { |
| 442 | httpReply->setDownstreamLimited(size > 0); |
| 443 | httpReply->setReadBufferSize(size); |
| 444 | readBufferMaxSize = size; |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | void QHttpThreadDelegate::readBufferFreed(qint64 size) |
| 449 | { |
| 450 | if (readBufferMaxSize) { |
| 451 | bytesEmitted -= size; |
| 452 | |
| 453 | QMetaObject::invokeMethod(this, "readyReadSlot" , Qt::QueuedConnection); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | void QHttpThreadDelegate::readyReadSlot() |
| 458 | { |
| 459 | if (!httpReply) |
| 460 | return; |
| 461 | |
| 462 | // Don't do in zerocopy case |
| 463 | if (!downloadBuffer.isNull()) |
| 464 | return; |
| 465 | |
| 466 | if (readBufferMaxSize) { |
| 467 | if (bytesEmitted < readBufferMaxSize) { |
| 468 | qint64 sizeEmitted = 0; |
| 469 | while (httpReply->readAnyAvailable() && (sizeEmitted < (readBufferMaxSize-bytesEmitted))) { |
| 470 | if (httpReply->sizeNextBlock() > (readBufferMaxSize-bytesEmitted)) { |
| 471 | sizeEmitted = readBufferMaxSize-bytesEmitted; |
| 472 | bytesEmitted += sizeEmitted; |
| 473 | pendingDownloadData->fetchAndAddRelease(1); |
| 474 | emit downloadData(httpReply->read(sizeEmitted)); |
| 475 | } else { |
| 476 | sizeEmitted = httpReply->sizeNextBlock(); |
| 477 | bytesEmitted += sizeEmitted; |
| 478 | pendingDownloadData->fetchAndAddRelease(1); |
| 479 | emit downloadData(httpReply->readAny()); |
| 480 | } |
| 481 | } |
| 482 | } else { |
| 483 | // We need to wait until we empty data from the read buffer in the reply. |
| 484 | } |
| 485 | |
| 486 | } else { |
| 487 | while (httpReply->readAnyAvailable()) { |
| 488 | pendingDownloadData->fetchAndAddRelease(1); |
| 489 | emit downloadData(httpReply->readAny()); |
| 490 | } |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | void QHttpThreadDelegate::finishedSlot() |
| 495 | { |
| 496 | if (!httpReply) |
| 497 | return; |
| 498 | |
| 499 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 500 | qDebug() << "QHttpThreadDelegate::finishedSlot() thread=" << QThread::currentThreadId() << "result=" << httpReply->statusCode(); |
| 501 | #endif |
| 502 | |
| 503 | // If there is still some data left emit that now |
| 504 | while (httpReply->readAnyAvailable()) { |
| 505 | pendingDownloadData->fetchAndAddRelease(1); |
| 506 | emit downloadData(httpReply->readAny()); |
| 507 | } |
| 508 | |
| 509 | #ifndef QT_NO_SSL |
| 510 | if (ssl) |
| 511 | emit sslConfigurationChanged(httpReply->sslConfiguration()); |
| 512 | #endif |
| 513 | |
| 514 | if (httpReply->statusCode() >= 400) { |
| 515 | // it's an error reply |
| 516 | QString msg = QLatin1String(QT_TRANSLATE_NOOP("QNetworkReply" , |
| 517 | "Error transferring %1 - server replied: %2" )); |
| 518 | msg = msg.arg(httpRequest.url().toString(), httpReply->reasonPhrase()); |
| 519 | emit error(statusCodeFromHttp(httpReply->statusCode(), httpRequest.url()), msg); |
| 520 | } |
| 521 | |
| 522 | if (httpRequest.isFollowRedirects() && httpReply->isRedirecting()) |
| 523 | emit redirected(httpReply->redirectUrl(), httpReply->statusCode(), httpReply->request().redirectCount() - 1); |
| 524 | |
| 525 | emit downloadFinished(); |
| 526 | |
| 527 | QMetaObject::invokeMethod(httpReply, "deleteLater" , Qt::QueuedConnection); |
| 528 | QMetaObject::invokeMethod(this, "deleteLater" , Qt::QueuedConnection); |
| 529 | httpReply = nullptr; |
| 530 | } |
| 531 | |
| 532 | void QHttpThreadDelegate::synchronousFinishedSlot() |
| 533 | { |
| 534 | if (!httpReply) |
| 535 | return; |
| 536 | |
| 537 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 538 | qDebug() << "QHttpThreadDelegate::synchronousFinishedSlot() thread=" << QThread::currentThreadId() << "result=" << httpReply->statusCode(); |
| 539 | #endif |
| 540 | if (httpReply->statusCode() >= 400) { |
| 541 | // it's an error reply |
| 542 | QString msg = QLatin1String(QT_TRANSLATE_NOOP("QNetworkReply" , |
| 543 | "Error transferring %1 - server replied: %2" )); |
| 544 | incomingErrorDetail = msg.arg(httpRequest.url().toString(), httpReply->reasonPhrase()); |
| 545 | incomingErrorCode = statusCodeFromHttp(httpReply->statusCode(), httpRequest.url()); |
| 546 | } |
| 547 | |
| 548 | synchronousDownloadData = httpReply->readAll(); |
| 549 | |
| 550 | QMetaObject::invokeMethod(httpReply, "deleteLater" , Qt::QueuedConnection); |
| 551 | QMetaObject::invokeMethod(synchronousRequestLoop, "quit" , Qt::QueuedConnection); |
| 552 | httpReply = nullptr; |
| 553 | } |
| 554 | |
| 555 | void QHttpThreadDelegate::finishedWithErrorSlot(QNetworkReply::NetworkError errorCode, const QString &detail) |
| 556 | { |
| 557 | if (!httpReply) |
| 558 | return; |
| 559 | |
| 560 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 561 | qDebug() << "QHttpThreadDelegate::finishedWithErrorSlot() thread=" << QThread::currentThreadId() << "error=" << errorCode << detail; |
| 562 | #endif |
| 563 | |
| 564 | #ifndef QT_NO_SSL |
| 565 | if (ssl) |
| 566 | emit sslConfigurationChanged(httpReply->sslConfiguration()); |
| 567 | #endif |
| 568 | emit error(errorCode,detail); |
| 569 | emit downloadFinished(); |
| 570 | |
| 571 | |
| 572 | QMetaObject::invokeMethod(httpReply, "deleteLater" , Qt::QueuedConnection); |
| 573 | QMetaObject::invokeMethod(this, "deleteLater" , Qt::QueuedConnection); |
| 574 | httpReply = nullptr; |
| 575 | } |
| 576 | |
| 577 | |
| 578 | void QHttpThreadDelegate::synchronousFinishedWithErrorSlot(QNetworkReply::NetworkError errorCode, const QString &detail) |
| 579 | { |
| 580 | if (!httpReply) |
| 581 | return; |
| 582 | |
| 583 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 584 | qDebug() << "QHttpThreadDelegate::synchronousFinishedWithErrorSlot() thread=" << QThread::currentThreadId() << "error=" << errorCode << detail; |
| 585 | #endif |
| 586 | incomingErrorCode = errorCode; |
| 587 | incomingErrorDetail = detail; |
| 588 | |
| 589 | synchronousDownloadData = httpReply->readAll(); |
| 590 | |
| 591 | QMetaObject::invokeMethod(httpReply, "deleteLater" , Qt::QueuedConnection); |
| 592 | QMetaObject::invokeMethod(synchronousRequestLoop, "quit" , Qt::QueuedConnection); |
| 593 | httpReply = nullptr; |
| 594 | } |
| 595 | |
| 596 | static void downloadBufferDeleter(char *ptr) |
| 597 | { |
| 598 | delete[] ptr; |
| 599 | } |
| 600 | |
| 601 | void QHttpThreadDelegate::() |
| 602 | { |
| 603 | if (!httpReply) |
| 604 | return; |
| 605 | |
| 606 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 607 | qDebug() << "QHttpThreadDelegate::headerChangedSlot() thread=" << QThread::currentThreadId(); |
| 608 | #endif |
| 609 | |
| 610 | #ifndef QT_NO_SSL |
| 611 | if (ssl) |
| 612 | emit sslConfigurationChanged(httpReply->sslConfiguration()); |
| 613 | #endif |
| 614 | |
| 615 | // Is using a zerocopy buffer allowed by user and possible with this reply? |
| 616 | if (httpReply->supportsUserProvidedDownloadBuffer() |
| 617 | && (downloadBufferMaximumSize > 0) && (httpReply->contentLength() <= downloadBufferMaximumSize)) { |
| 618 | QT_TRY { |
| 619 | char *buf = new char[httpReply->contentLength()]; // throws if allocation fails |
| 620 | if (buf) { |
| 621 | downloadBuffer = QSharedPointer<char>(buf, downloadBufferDeleter); |
| 622 | httpReply->setUserProvidedDownloadBuffer(buf); |
| 623 | } |
| 624 | } QT_CATCH(const std::bad_alloc &) { |
| 625 | // in out of memory situations, don't use downloadbuffer. |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | // We fetch this into our own |
| 630 | incomingHeaders = httpReply->header(); |
| 631 | incomingStatusCode = httpReply->statusCode(); |
| 632 | incomingReasonPhrase = httpReply->reasonPhrase(); |
| 633 | isPipeliningUsed = httpReply->isPipeliningUsed(); |
| 634 | incomingContentLength = httpReply->contentLength(); |
| 635 | removedContentLength = httpReply->removedContentLength(); |
| 636 | isHttp2Used = httpReply->isHttp2Used(); |
| 637 | |
| 638 | emit downloadMetaData(incomingHeaders, |
| 639 | incomingStatusCode, |
| 640 | incomingReasonPhrase, |
| 641 | isPipeliningUsed, |
| 642 | downloadBuffer, |
| 643 | incomingContentLength, |
| 644 | removedContentLength, |
| 645 | isHttp2Used); |
| 646 | } |
| 647 | |
| 648 | void QHttpThreadDelegate::() |
| 649 | { |
| 650 | if (!httpReply) |
| 651 | return; |
| 652 | |
| 653 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 654 | qDebug() << "QHttpThreadDelegate::synchronousHeaderChangedSlot() thread=" << QThread::currentThreadId(); |
| 655 | #endif |
| 656 | // Store the information we need in this object, the QNetworkAccessHttpBackend will later read it |
| 657 | incomingHeaders = httpReply->header(); |
| 658 | incomingStatusCode = httpReply->statusCode(); |
| 659 | incomingReasonPhrase = httpReply->reasonPhrase(); |
| 660 | isPipeliningUsed = httpReply->isPipeliningUsed(); |
| 661 | isHttp2Used = httpReply->isHttp2Used(); |
| 662 | incomingContentLength = httpReply->contentLength(); |
| 663 | } |
| 664 | |
| 665 | |
| 666 | void QHttpThreadDelegate::dataReadProgressSlot(qint64 done, qint64 total) |
| 667 | { |
| 668 | // If we don't have a download buffer don't attempt to go this codepath |
| 669 | // It is not used by QNetworkAccessHttpBackend |
| 670 | if (downloadBuffer.isNull()) |
| 671 | return; |
| 672 | |
| 673 | pendingDownloadProgress->fetchAndAddRelease(1); |
| 674 | emit downloadProgress(done, total); |
| 675 | } |
| 676 | |
| 677 | void QHttpThreadDelegate::cacheCredentialsSlot(const QHttpNetworkRequest &request, QAuthenticator *authenticator) |
| 678 | { |
| 679 | authenticationManager->cacheCredentials(request.url(), authenticator); |
| 680 | } |
| 681 | |
| 682 | |
| 683 | #ifndef QT_NO_SSL |
| 684 | void QHttpThreadDelegate::encryptedSlot() |
| 685 | { |
| 686 | if (!httpReply) |
| 687 | return; |
| 688 | |
| 689 | emit sslConfigurationChanged(httpReply->sslConfiguration()); |
| 690 | emit encrypted(); |
| 691 | } |
| 692 | |
| 693 | void QHttpThreadDelegate::sslErrorsSlot(const QList<QSslError> &errors) |
| 694 | { |
| 695 | if (!httpReply) |
| 696 | return; |
| 697 | |
| 698 | emit sslConfigurationChanged(httpReply->sslConfiguration()); |
| 699 | |
| 700 | bool ignoreAll = false; |
| 701 | QList<QSslError> specificErrors; |
| 702 | emit sslErrors(errors, &ignoreAll, &specificErrors); |
| 703 | if (ignoreAll) |
| 704 | httpReply->ignoreSslErrors(); |
| 705 | if (!specificErrors.isEmpty()) |
| 706 | httpReply->ignoreSslErrors(specificErrors); |
| 707 | } |
| 708 | |
| 709 | void QHttpThreadDelegate::preSharedKeyAuthenticationRequiredSlot(QSslPreSharedKeyAuthenticator *authenticator) |
| 710 | { |
| 711 | if (!httpReply) |
| 712 | return; |
| 713 | |
| 714 | emit preSharedKeyAuthenticationRequired(authenticator); |
| 715 | } |
| 716 | #endif |
| 717 | |
| 718 | void QHttpThreadDelegate::synchronousAuthenticationRequiredSlot(const QHttpNetworkRequest &request, QAuthenticator *a) |
| 719 | { |
| 720 | if (!httpReply) |
| 721 | return; |
| 722 | |
| 723 | Q_UNUSED(request); |
| 724 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 725 | qDebug() << "QHttpThreadDelegate::synchronousAuthenticationRequiredSlot() thread=" << QThread::currentThreadId(); |
| 726 | #endif |
| 727 | |
| 728 | // Ask the credential cache |
| 729 | QNetworkAuthenticationCredential credential = authenticationManager->fetchCachedCredentials(httpRequest.url(), a); |
| 730 | if (!credential.isNull()) { |
| 731 | a->setUser(credential.user); |
| 732 | a->setPassword(credential.password); |
| 733 | } |
| 734 | |
| 735 | // Disconnect this connection now since we only want to ask the authentication cache once. |
| 736 | QObject::disconnect(httpReply, SIGNAL(authenticationRequired(QHttpNetworkRequest,QAuthenticator*)), |
| 737 | this, SLOT(synchronousAuthenticationRequiredSlot(QHttpNetworkRequest,QAuthenticator*))); |
| 738 | } |
| 739 | |
| 740 | #ifndef QT_NO_NETWORKPROXY |
| 741 | void QHttpThreadDelegate::synchronousProxyAuthenticationRequiredSlot(const QNetworkProxy &p, QAuthenticator *a) |
| 742 | { |
| 743 | if (!httpReply) |
| 744 | return; |
| 745 | |
| 746 | #ifdef QHTTPTHREADDELEGATE_DEBUG |
| 747 | qDebug() << "QHttpThreadDelegate::synchronousProxyAuthenticationRequiredSlot() thread=" << QThread::currentThreadId(); |
| 748 | #endif |
| 749 | // Ask the credential cache |
| 750 | QNetworkAuthenticationCredential credential = authenticationManager->fetchCachedProxyCredentials(p, a); |
| 751 | if (!credential.isNull()) { |
| 752 | a->setUser(credential.user); |
| 753 | a->setPassword(credential.password); |
| 754 | } |
| 755 | |
| 756 | #ifndef QT_NO_NETWORKPROXY |
| 757 | // Disconnect this connection now since we only want to ask the authentication cache once. |
| 758 | QObject::disconnect(httpReply, SIGNAL(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)), |
| 759 | this, SLOT(synchronousProxyAuthenticationRequiredSlot(QNetworkProxy,QAuthenticator*))); |
| 760 | #endif |
| 761 | } |
| 762 | |
| 763 | #endif |
| 764 | |
| 765 | QT_END_NAMESPACE |
| 766 | |