source: ntrip/trunk/BNC/src/bncnetqueryv2.cpp@ 9739

Last change on this file since 9739 was 9739, checked in by stuerze, 3 months ago

minor changes

File size: 7.2 KB
Line 
1/* -------------------------------------------------------------------------
2 * BKG NTRIP Client
3 * -------------------------------------------------------------------------
4 *
5 * Class: bncNetQueryV2
6 *
7 * Purpose: Blocking Network Requests (NTRIP Version 2)
8 *
9 * Author: L. Mervart
10 *
11 * Created: 27-Dec-2008
12 *
13 * Changes:
14 *
15 * -----------------------------------------------------------------------*/
16
17#include <iostream>
18
19#include "bncnetqueryv2.h"
20#include "bncsettings.h"
21#include "bncversion.h"
22#include "bncsslconfig.h"
23#include "bncsettings.h"
24
25// Constructor
26////////////////////////////////////////////////////////////////////////////
27bncNetQueryV2::bncNetQueryV2(bool secure) {
28 _secure = secure;
29 _manager = new QNetworkAccessManager(this);
30 connect(_manager, SIGNAL(proxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)),
31 this, SLOT(slotProxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)));
32 _reply = 0;
33 _eventLoop = new QEventLoop(this);
34 _firstData = true;
35 _status = init;
36
37 bncSettings settings;
38 _sslIgnoreErrors =
39 (Qt::CheckState(settings.value("sslIgnoreErrors").toInt()) == Qt::Checked);
40
41 if (_secure && !QSslSocket::supportsSsl()) {
42 BNC_CORE->slotMessage("No SSL support, install OpenSSL run-time libraries", true);
43 stop();
44 }
45}
46
47// Destructor
48////////////////////////////////////////////////////////////////////////////
49bncNetQueryV2::~bncNetQueryV2() {
50 delete _eventLoop;
51 if (_reply) {
52 _reply->abort();
53 delete _reply;
54 }
55 delete _manager;
56}
57
58// Stop (quit event loop)
59////////////////////////////////////////////////////////////////////////////
60void bncNetQueryV2::stop() {
61 if (_reply) {
62 _reply->abort();
63 delete _reply;
64 _reply = 0;
65 }
66 _eventLoop->quit();
67 _status = finished;
68}
69
70// End of Request
71////////////////////////////////////////////////////////////////////////////
72void bncNetQueryV2::slotFinished() {
73 _eventLoop->quit();
74 if (_reply && _reply->error() != QNetworkReply::NoError) {
75 _status = error;
76 if (!_reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toByteArray().isEmpty()) {
77 emit newMessage(_url.path().toLatin1().replace(0,1,"") +
78 ": NetQueryV2: server replied: " +
79 _reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toByteArray(),
80 true);
81 } else {
82 emit newMessage(_url.path().toLatin1().replace(0,1,"") +
83 ": NetQueryV2: server replied: " +
84 _reply->errorString().toLatin1(),
85 true);
86 }
87 }
88 else {
89 _status = finished;
90 }
91}
92
93//
94////////////////////////////////////////////////////////////////////////////
95void bncNetQueryV2::slotProxyAuthenticationRequired(const QNetworkProxy&,
96 QAuthenticator*) {
97 emit newMessage("slotProxyAuthenticationRequired", true);
98}
99
100// Start request, block till the next read
101////////////////////////////////////////////////////////////////////////////
102void bncNetQueryV2::startRequest(const QUrl& url, const QByteArray& gga) {
103 startRequestPrivate(url, gga, false);
104}
105
106// Start request, block till the next read
107////////////////////////////////////////////////////////////////////////////
108void bncNetQueryV2::keepAliveRequest(const QUrl& url, const QByteArray& gga) {
109 startRequestPrivate(url, gga, false);
110}
111
112// Start Request (Private Method)
113////////////////////////////////////////////////////////////////////////////
114void bncNetQueryV2::startRequestPrivate(const QUrl& url, const QByteArray& gga,
115 bool full) {
116
117 _status = running;
118
119 // Default scheme and path
120 // -----------------------
121 _url = url;
122 if (_url.scheme().isEmpty()) {
123 if (_secure) {
124 _url.setScheme("https");
125 }
126 else {
127 _url.setScheme("http");
128 }
129 }
130 if (_url.path().isEmpty()) {
131 _url.setPath("/");
132 }
133
134 // Network Request
135 // ---------------
136 QNetworkRequest request;
137 request.setSslConfiguration(BNC_SSL_CONFIG);
138 request.setUrl(_url);
139 request.setRawHeader("Host" , _url.host().toLatin1());
140 request.setRawHeader("Ntrip-Version", "Ntrip/2.0");
141 request.setRawHeader("User-Agent" , "NTRIP BNC/" BNCVERSION " (" BNC_OS ")");
142 if (!_url.userName().isEmpty()) {
143 QString uName = QUrl::fromPercentEncoding(_url.userName().toLatin1());
144 QString passW = QUrl::fromPercentEncoding(_url.password().toLatin1());
145 request.setRawHeader("Authorization", "Basic " +
146 (uName + ":" + passW).toLatin1().toBase64());
147 }
148 if (!gga.isEmpty()) {
149 request.setRawHeader("Ntrip-GGA", gga);
150 }
151 request.setRawHeader("Connection" , "close");
152
153 if (_reply) {
154 delete _reply;
155 _reply = 0;
156 }
157 _reply = _manager->get(request);
158
159 // Connect Signals
160 // ---------------
161 connect(_reply, SIGNAL(finished()), this, SLOT(slotFinished()));
162 connect(_reply, SIGNAL(finished()), _eventLoop, SLOT(quit()));
163 connect(_reply, SIGNAL(sslErrors(QList<QSslError>)),this, SLOT(slotSslErrors(QList<QSslError>)));
164 if (!full) {
165 connect(_reply, SIGNAL(readyRead()), _eventLoop, SLOT(quit()));
166 }
167}
168
169// Start Request, wait for its completion
170////////////////////////////////////////////////////////////////////////////
171void bncNetQueryV2::waitForRequestResult(const QUrl& url, QByteArray& outData) {
172
173 // Send Request
174 // ------------
175 startRequestPrivate(url, "", true);
176
177 // Wait Loop
178 // ---------
179 _eventLoop->exec();
180
181 // Copy Data and Return
182 // --------------------
183 if (_reply) {
184 outData = _reply->readAll();
185 }
186}
187
188// Wait for next data
189////////////////////////////////////////////////////////////////////////////
190void bncNetQueryV2::waitForReadyRead(QByteArray& outData) {
191
192 // Wait Loop
193 // ---------
194 if (!_reply->bytesAvailable()) {
195 _eventLoop->exec();
196 }
197 if (!_reply) {
198 return;
199 }
200
201 // Check NTRIPv2 error code
202 // ------------------------
203 if (_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
204 _reply->abort();
205 }
206
207 // Append Data
208 // -----------
209 else {
210 outData.append(_reply->readAll());
211 }
212}
213
214// TSL/SSL
215////////////////////////////////////////////////////////////////////////////
216void bncNetQueryV2::slotSslErrors(QList<QSslError> errors) {
217
218 QString msg = "SSL Error: ";
219 QSslCertificate cert = _reply->sslConfiguration().peerCertificate();
220 if (!cert.isNull() &&
221 cert.issuerInfo(QSslCertificate::OrganizationalUnitName).count() &&
222 cert.issuerInfo(QSslCertificate::Organization).count()) {
223
224 msg += QString("Server Certificate Issued by:\n"
225 "%1\n%2\nCannot be verified\n")
226#if QT_VERSION >= 0x050000
227 .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName).at(0))
228 .arg(cert.issuerInfo(QSslCertificate::Organization).at(0));
229#else
230 .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName))
231 .arg(cert.issuerInfo(QSslCertificate::Organization));
232#endif
233 }
234
235 QListIterator<QSslError> it(errors);
236 while (it.hasNext()) {
237 const QSslError& err = it.next();
238 msg += err.errorString();
239 }
240 BNC_CORE->slotMessage(msg.toLatin1(), true);
241
242 if (_sslIgnoreErrors) {
243 _reply->ignoreSslErrors();
244 BNC_CORE->slotMessage("BNC ignores SSL errors as configured", true);
245 }
246 else {
247 stop();
248 }
249 return;
250}
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