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&, QAuthenticator*)),
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31 | this, SLOT(slotProxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)));
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32 | _reply = 0;
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33 | _eventLoop = new QEventLoop(this);
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34 | _firstData = true;
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35 | _status = init;
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36 |
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37 | bncSettings settings;
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38 | _sslIgnoreErrors = (Qt::CheckState(settings.value("sslIgnoreErrors").toInt()) == Qt::Checked);
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39 |
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40 | if (_secure ) {
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41 | if (!QSslSocket::supportsSsl()) {
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42 | BNC_CORE->slotMessage("No SSL support, install OpenSSL run-time libraries", true);
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43 | stop();
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44 | }
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45 | // Generate filenames to consider a potential client certificate
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46 | _crtFileName = settings.value("sslClientCertPath").toString() + _url.host() + QString(".%1.crt").arg(_url.port());
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47 | _keyFileName = settings.value("sslClientCertPath").toString() + _url.host() + QString(".%1.key").arg(_url.port());
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48 | }
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49 |
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50 |
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51 | }
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52 |
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53 | // Destructor
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54 | ////////////////////////////////////////////////////////////////////////////
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55 | bncNetQueryV2::~bncNetQueryV2() {
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56 | delete _eventLoop;
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57 | if (_reply) {
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58 | _reply->abort();
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59 | delete _reply;
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60 | }
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61 | delete _manager;
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62 | }
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63 |
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64 | // Stop (quit event loop)
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65 | ////////////////////////////////////////////////////////////////////////////
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66 | void bncNetQueryV2::stop() {
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67 | if (_reply) {
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68 | _reply->abort();
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69 | delete _reply;
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70 | _reply = 0;
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71 | }
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72 | _eventLoop->quit();
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73 | _status = finished;
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74 | }
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75 |
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76 | // End of Request
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77 | ////////////////////////////////////////////////////////////////////////////
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78 | void bncNetQueryV2::slotFinished() {
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79 | _eventLoop->quit();
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80 | if (_reply && _reply->error() != QNetworkReply::NoError) {
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81 | _status = error;
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82 | if (!_reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toByteArray().isEmpty()) {
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83 | emit newMessage(_url.path().toLatin1().replace(0,1,"") +
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84 | ": NetQueryV2: server replied: " +
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85 | _reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toByteArray(),
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86 | true);
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87 | } else {
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88 | emit newMessage(_url.path().toLatin1().replace(0,1,"") +
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89 | ": NetQueryV2: server replied: " +
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90 | _reply->errorString().toLatin1(),
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91 | true);
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92 | }
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93 | }
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94 | else {
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95 | _status = finished;
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96 | }
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97 | }
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98 |
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99 | //
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100 | ////////////////////////////////////////////////////////////////////////////
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101 | void bncNetQueryV2::slotProxyAuthenticationRequired(const QNetworkProxy&,
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102 | QAuthenticator*) {
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103 | emit newMessage("slotProxyAuthenticationRequired", true);
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104 | }
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105 |
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106 | // Start request, block till the next read
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107 | ////////////////////////////////////////////////////////////////////////////
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108 | void bncNetQueryV2::startRequest(const QUrl& url, const QByteArray& gga) {
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109 | startRequestPrivate(url, gga, false);
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110 | }
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111 |
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112 | // Start request, block till the next read
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113 | ////////////////////////////////////////////////////////////////////////////
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114 | void bncNetQueryV2::keepAliveRequest(const QUrl& url, const QByteArray& gga) {
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115 | startRequestPrivate(url, gga, false);
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116 | }
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117 |
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118 | // Start Request (Private Method)
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119 | ////////////////////////////////////////////////////////////////////////////
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120 | void bncNetQueryV2::startRequestPrivate(const QUrl& url, const QByteArray& gga,
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121 | bool full) {
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122 |
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123 | _status = running;
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124 |
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125 | // Default scheme and path
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126 | // -----------------------
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127 | _url = url;
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128 | if (_url.scheme().isEmpty()) {
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129 | if (_secure) {
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130 | _url.setPort(443);
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131 | _url.setScheme("https");
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132 | }
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133 | else {
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134 | _url.setScheme("http");
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135 | }
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136 | }
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137 | if (_url.path().isEmpty()) {
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138 | _url.setPath("/");
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139 | }
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140 |
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141 | // Network Request
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142 | // ---------------
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143 | bncSslConfig sslConfig = BNC_SSL_CONFIG;
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144 |
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145 | if (_secure) {
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146 | QFile clientCrtFile(_crtFileName);
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147 | QFile privateKeyFile(_keyFileName);
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148 | if ( clientCrtFile.exists() && privateKeyFile.exists()) {
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149 | // set local certificate if available
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150 | clientCrtFile.open(QIODevice::ReadOnly);
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151 | QSslCertificate clientCrt(&clientCrtFile);
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152 | sslConfig.setLocalCertificate(clientCrt);
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153 | // set private key if available
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154 | privateKeyFile.open(QIODevice::ReadOnly);
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155 | QSslKey privateKey(&privateKeyFile, QSsl::Rsa);
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156 | sslConfig.setPrivateKey(privateKey);
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157 | }
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158 | }
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159 |
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160 | QNetworkRequest request;
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161 | request.setSslConfiguration(sslConfig);
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162 | request.setUrl(_url);
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163 | request.setRawHeader("Host" , _url.host().toLatin1());
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164 | request.setRawHeader("Ntrip-Version", "Ntrip/2.0");
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165 | request.setRawHeader("User-Agent" , "NTRIP BNC/" BNCVERSION " (" BNC_OS ")");
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166 | if (!_url.userName().isEmpty()) {
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167 | QString uName = QUrl::fromPercentEncoding(_url.userName().toLatin1());
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168 | QString passW = QUrl::fromPercentEncoding(_url.password().toLatin1());
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169 | request.setRawHeader("Authorization", "Basic " +
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170 | (uName + ":" + passW).toLatin1().toBase64());
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171 | }
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172 | if (!gga.isEmpty()) {
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173 | request.setRawHeader("Ntrip-GGA", gga);
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174 | }
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175 | request.setRawHeader("Connection" , "close");
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176 |
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177 | if (_reply) {
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178 | delete _reply;
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179 | _reply = 0;
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180 | }
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181 | _reply = _manager->get(request);
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182 |
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183 | // Connect Signals
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184 | // ---------------
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185 | connect(_reply, SIGNAL(finished()), this, SLOT(slotFinished()));
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186 | connect(_reply, SIGNAL(finished()), _eventLoop, SLOT(quit()));
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187 | connect(_reply, SIGNAL(sslErrors(QList<QSslError>)),this, SLOT(slotSslErrors(QList<QSslError>)));
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188 | if (!full) {
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189 | connect(_reply, SIGNAL(readyRead()), _eventLoop, SLOT(quit()));
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190 | }
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191 | }
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192 |
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193 | // Start Request, wait for its completion
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194 | ////////////////////////////////////////////////////////////////////////////
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195 | void bncNetQueryV2::waitForRequestResult(const QUrl& url, QByteArray& outData) {
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196 |
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197 | // Send Request
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198 | // ------------
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199 | startRequestPrivate(url, "", true);
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200 |
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201 | // Wait Loop
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202 | // ---------
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203 | _eventLoop->exec();
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204 |
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205 | // Copy Data and Return
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206 | // --------------------
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207 | if (_reply) {
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208 | outData = _reply->readAll();
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209 | }
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210 | }
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211 |
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212 | // Wait for next data
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213 | ////////////////////////////////////////////////////////////////////////////
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214 | void bncNetQueryV2::waitForReadyRead(QByteArray& outData) {
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215 |
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216 | // Wait Loop
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217 | // ---------
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218 | if (!_reply->bytesAvailable()) {
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219 | _eventLoop->exec();
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220 | }
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221 | if (!_reply) {
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222 | return;
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223 | }
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224 |
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225 | // Check NTRIPv2 error code
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226 | // ------------------------
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227 | if (_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
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228 | _reply->abort();
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229 | }
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230 |
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231 | // Append Data
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232 | // -----------
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233 | else {
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234 | outData.append(_reply->readAll());
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235 | }
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236 | }
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237 |
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238 | // TSL/SSL
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239 | ////////////////////////////////////////////////////////////////////////////
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240 | void bncNetQueryV2::slotSslErrors(QList<QSslError> errors) {
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241 |
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242 | QString msg = "SSL Error: ";
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243 | QSslCertificate cert = _reply->sslConfiguration().peerCertificate();
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244 | if (!cert.isNull() &&
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245 | cert.issuerInfo(QSslCertificate::OrganizationalUnitName).count() &&
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246 | cert.issuerInfo(QSslCertificate::Organization).count()) {
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247 |
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248 | msg += QString("Server Certificate Issued by:\n"
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249 | "%1\n%2\nCannot be verified\n")
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250 | #if QT_VERSION >= 0x050000
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251 | .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName).at(0))
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252 | .arg(cert.issuerInfo(QSslCertificate::Organization).at(0));
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253 | #else
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254 | .arg(cert.issuerInfo(QSslCertificate::OrganizationalUnitName))
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255 | .arg(cert.issuerInfo(QSslCertificate::Organization));
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256 | #endif
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257 | }
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258 |
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259 | QListIterator<QSslError> it(errors);
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260 | while (it.hasNext()) {
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261 | const QSslError& err = it.next();
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262 | msg += err.errorString();
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263 | }
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264 |
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265 | if (_sslIgnoreErrors) {
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266 | _reply->ignoreSslErrors();
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267 | BNC_CORE->slotMessage("BNC ignores SSL errors as configured", true);
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268 | }
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269 | else {
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270 | BNC_CORE->slotMessage(msg.toLatin1(), true);
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271 | stop();
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272 | }
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273 | return;
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274 | }
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