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