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    41 

    42 #ifndef QNETWORKACCESSHTTPBACKEND_P_H

    43 #define QNETWORKACCESSHTTPBACKEND_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists for the convenience

    50 // of the Network Access API.  This header file may change from

    51 // version to version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "qhttpnetworkconnection_p.h"

    57 #include "qnetworkaccessbackend_p.h"

    58 #include "qnetworkrequest.h"

    59 #include "qnetworkreply.h"

    60 #include "qabstractsocket.h"

    61 

    62 #include "QtCore/qpointer.h"

    63 #include "QtCore/qdatetime.h"

    64 

    65 #ifndef QT_NO_HTTP

    66 

    67 QT_BEGIN_NAMESPACE

    68 

    69 class QNetworkAccessCachedHttpConnection;

    70 

    71 class QNetworkAccessHttpBackendIODevice;

    72 

    73 class QNetworkAccessHttpBackend: public QNetworkAccessBackend

    74 {

    75     Q_OBJECT

    76 public:

    77     QNetworkAccessHttpBackend();

    78     virtual ~QNetworkAccessHttpBackend();

    79 

    80     virtual void open();

    81     virtual void closeDownstreamChannel();

    82     virtual bool waitForDownstreamReadyRead(int msecs);

    83 

    84     virtual void downstreamReadyWrite();

    85     virtual void copyFinished(QIODevice *);

    86 #ifndef QT_NO_OPENSSL

    87     virtual void ignoreSslErrors();

    88     virtual void ignoreSslErrors(const QList<QSslError> &errors);

    89 

    90     virtual void fetchSslConfiguration(QSslConfiguration &configuration) const;

    91     virtual void setSslConfiguration(const QSslConfiguration &configuration);

    92 #endif

    93     QNetworkCacheMetaData fetchCacheMetaData(const QNetworkCacheMetaData &metaData) const;

    94 

    95     qint64 deviceReadData(char *buffer, qint64 maxlen);

    96 

    97     // we return true since HTTP needs to send PUT/POST data again after having authenticated

    98     bool needsResetableUploadData() { return true; }

    99 

   100 private slots:

   101     void replyReadyRead();

   102     void replyFinished();

   103     void replyHeaderChanged();

   104     void httpAuthenticationRequired(const QHttpNetworkRequest &request, QAuthenticator *auth);

   105     void httpError(QNetworkReply::NetworkError error, const QString &errorString);

   106     bool sendCacheContents(const QNetworkCacheMetaData &metaData);

   107 

   108 private:

   109     QHttpNetworkReply *httpReply;

   110     QPointer<QNetworkAccessCachedHttpConnection> http;

   111     QByteArray cacheKey;

   112     QNetworkAccessBackendUploadIODevice *uploadDevice;

   113 

   114 #ifndef QT_NO_OPENSSL

   115     QSslConfiguration *pendingSslConfiguration;

   116     bool pendingIgnoreAllSslErrors;

   117     QList<QSslError> pendingIgnoreSslErrorsList;

   118 #endif

   119 

   120     void disconnectFromHttp();

   121     void finished();            // override

   122     void setupConnection();

   123     void validateCache(QHttpNetworkRequest &httpRequest, bool &loadedFromCache);

   124     void invalidateCache();

   125     void postRequest();

   126     void readFromHttp();

   127     void checkForRedirect(const int statusCode);

   128 };

   129 

   130 class QNetworkAccessHttpBackendFactory : public QNetworkAccessBackendFactory

   131 {

   132 public:

   133     virtual QNetworkAccessBackend *create(QNetworkAccessManager::Operation op,

   134                                           const QNetworkRequest &request) const;

   135 };

   136 

   137 QT_END_NAMESPACE

   138 

   139 #endif // QT_NO_HTTP

   140 

   141 #endif