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3** Copyright (C) 2016 The Qt Company Ltd.
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6** This file is part of the QtNetwork module of the Qt Toolkit.
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38****************************************************************************/
39
40#ifndef QNETWORKREPLY_H
41#define QNETWORKREPLY_H
42
43#include <QtNetwork/qtnetworkglobal.h>
44#include <QtCore/QIODevice>
45#include <QtCore/QString>
46#include <QtCore/QVariant>
47
48#include <QtNetwork/QNetworkRequest>
49#include <QtNetwork/QNetworkAccessManager>
50
51QT_BEGIN_NAMESPACE
52
53
54class QUrl;
55class QVariant;
56class QAuthenticator;
57class QSslConfiguration;
58class QSslError;
59class QSslPreSharedKeyAuthenticator;
60
61class QNetworkReplyPrivate;
62class Q_NETWORK_EXPORT QNetworkReply: public QIODevice
63{
64 Q_OBJECT
65public:
66 enum NetworkError {
67 NoError = 0,
68
69 // network layer errors [relating to the destination server] (1-99):
70 ConnectionRefusedError = 1,
71 RemoteHostClosedError,
72 HostNotFoundError,
73 TimeoutError,
74 OperationCanceledError,
75 SslHandshakeFailedError,
76 TemporaryNetworkFailureError,
77 NetworkSessionFailedError,
78 BackgroundRequestNotAllowedError,
79 TooManyRedirectsError,
80 InsecureRedirectError,
81 UnknownNetworkError = 99,
82
83 // proxy errors (101-199):
84 ProxyConnectionRefusedError = 101,
85 ProxyConnectionClosedError,
86 ProxyNotFoundError,
87 ProxyTimeoutError,
88 ProxyAuthenticationRequiredError,
89 UnknownProxyError = 199,
90
91 // content errors (201-299):
92 ContentAccessDenied = 201,
93 ContentOperationNotPermittedError,
94 ContentNotFoundError,
95 AuthenticationRequiredError,
96 ContentReSendError,
97 ContentConflictError,
98 ContentGoneError,
99 UnknownContentError = 299,
100
101 // protocol errors
102 ProtocolUnknownError = 301,
103 ProtocolInvalidOperationError,
104 ProtocolFailure = 399,
105
106 // Server side errors (401-499)
107 InternalServerError = 401,
108 OperationNotImplementedError,
109 ServiceUnavailableError,
110 UnknownServerError = 499
111 };
112 Q_ENUM(NetworkError)
113
114 ~QNetworkReply();
115
116 // reimplemented from QIODevice
117 virtual void close() override;
118 virtual bool isSequential() const override;
119
120 // like QAbstractSocket:
121 qint64 readBufferSize() const;
122 virtual void setReadBufferSize(qint64 size);
123
124 QNetworkAccessManager *manager() const;
125 QNetworkAccessManager::Operation operation() const;
126 QNetworkRequest request() const;
127 NetworkError error() const;
128 bool isFinished() const;
129 bool isRunning() const;
130 QUrl url() const;
131
132 // "cooked" headers
133 QVariant header(QNetworkRequest::KnownHeaders header) const;
134
135 // raw headers:
136 bool hasRawHeader(const QByteArray &headerName) const;
137 QList<QByteArray> rawHeaderList() const;
138 QByteArray rawHeader(const QByteArray &headerName) const;
139
140 typedef QPair<QByteArray, QByteArray> RawHeaderPair;
141 const QList<RawHeaderPair>& rawHeaderPairs() const;
142
143 // attributes
144 QVariant attribute(QNetworkRequest::Attribute code) const;
145
146#if QT_CONFIG(ssl)
147 QSslConfiguration sslConfiguration() const;
148 void setSslConfiguration(const QSslConfiguration &configuration);
149 void ignoreSslErrors(const QList<QSslError> &errors);
150#endif
151
152public Q_SLOTS:
153 virtual void abort() = 0;
154 virtual void ignoreSslErrors();
155
156Q_SIGNALS:
157 void metaDataChanged();
158 void finished();
159 void errorOccurred(QNetworkReply::NetworkError);
160#if QT_CONFIG(ssl)
161 void encrypted();
162 void sslErrors(const QList<QSslError> &errors);
163 void preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator *authenticator);
164#endif
165 void redirected(const QUrl &url);
166 void redirectAllowed();
167
168 void uploadProgress(qint64 bytesSent, qint64 bytesTotal);
169 void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
170
171protected:
172 explicit QNetworkReply(QObject *parent = nullptr);
173 QNetworkReply(QNetworkReplyPrivate &dd, QObject *parent);
174 virtual qint64 writeData(const char *data, qint64 len) override;
175
176 void setOperation(QNetworkAccessManager::Operation operation);
177 void setRequest(const QNetworkRequest &request);
178 void setError(NetworkError errorCode, const QString &errorString);
179 void setFinished(bool);
180 void setUrl(const QUrl &url);
181 void setHeader(QNetworkRequest::KnownHeaders header, const QVariant &value);
182 void setRawHeader(const QByteArray &headerName, const QByteArray &value);
183 void setAttribute(QNetworkRequest::Attribute code, const QVariant &value);
184
185#if QT_CONFIG(ssl)
186 virtual void sslConfigurationImplementation(QSslConfiguration &) const;
187 virtual void setSslConfigurationImplementation(const QSslConfiguration &);
188 virtual void ignoreSslErrorsImplementation(const QList<QSslError> &);
189#endif
190
191private:
192 Q_DECLARE_PRIVATE(QNetworkReply)
193};
194
195QT_END_NAMESPACE
196
197Q_DECLARE_METATYPE(QNetworkReply::NetworkError)
198
199#endif
200