Mercurial > trustbridge

annotate ui/sslconnection_curl.cpp @ 1131:521032de3a0a

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author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 17 Sep 2014 13:39:02 +0200
parents 508c96e72f62
children e986d3d4705f
rev   line source
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8
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9 #include "sslconnection_curl.h"
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10 #include "logging.h"
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11
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12 #include <polarssl/ssl.h>
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13 #include <QSaveFile>
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14
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15 SSLConnectionCurl::SSLConnectionCurl(const QString& url,
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16 const QByteArray& certificate):
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17 SSLConnection (url, certificate),
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18 mCurl (NULL)
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19 {
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20 curl_global_init(CURL_GLOBAL_DEFAULT);
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21 mCurl = curl_easy_init();
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22
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23 if (!mCurl) {
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24 qDebug() << "Failed to initialize curl";
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25 return;
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26 }
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27
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28 if (curl_easy_setopt(mCurl, CURLOPT_SSL_VERIFYPEER, 1L) != CURLE_OK) {
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29 /* Should be default anyway */
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30 qDebug() << "Setting verifypeer failed";
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31 return;
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32 }
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33
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34 if (curl_easy_setopt(mCurl, CURLOPT_ERRORBUFFER, mErrBuf) != CURLE_OK) {
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35 qDebug() << "Setting errorbuf failed";
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36 return;
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37 }
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38
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39 if (curl_easy_setopt(mCurl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_2) != CURLE_OK) {
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40 qDebug() << "Setting ssl version failed.";
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41 return;
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42 }
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43
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44 mCertFile.open();
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45 if (mCertFile.write(mPinnedCert) != mPinnedCert.size()) {
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46 qDebug() << "Failed to write temporary certificate";
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47 return;
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48 }
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49 mCertFile.close();
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50
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51 if (curl_easy_setopt(mCurl, CURLOPT_CAINFO,
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52 mCertFile.fileName().toUtf8().constData()) != CURLE_OK) {
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53 qDebug() << "Failed to set ca certificate";
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54 return;
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55 }
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56
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57 /* If the build fails here maybe you probably forgot to apply the
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58 * trustbridge patches to curl */
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59 if (curl_easy_setopt(mCurl, CURLOPT_PEERCERT,
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60 mCertFile.fileName().toUtf8().constData()) != CURLE_OK) {
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61 qDebug() << "Failed set peer certificate.";
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62 return;
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63 }
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64 mInitialized = true;
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65 if (g_debug) {
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66 curl_easy_setopt(mCurl, CURLOPT_VERBOSE, 1L);
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67 }
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68 }
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69
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70 SSLConnectionCurl::~SSLConnectionCurl() {
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71 if (mCurl) {
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72 curl_easy_cleanup (mCurl);
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73 }
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74 if (mInitialized) {
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75 mCertFile.close();
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76 }
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77 curl_global_cleanup();
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78 }
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79
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80 int SSLConnectionCurl::connect() {
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81 CURLcode retval;
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82
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83 if (curl_easy_setopt(mCurl, CURLOPT_URL, mUrl.toEncoded().constData()) != CURLE_OK) {
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84 qDebug() << "Failed to set URL";
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85 return -1;
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86 }
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87
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88 if (curl_easy_setopt(mCurl, CURLOPT_CONNECT_ONLY, 1L) != CURLE_OK) {
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89 qDebug() << "Failed to set connect only option";
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90 return -1;
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91 }
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92 retval = curl_easy_perform(mCurl);
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93 if (retval != CURLE_OK) {
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94 qDebug() << "Failed to connect: " << mErrBuf << " retval: " << retval;
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95 if (retval == CURLE_PEER_FAILED_VERIFICATION) {
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96 mErrorState = InvalidCertificate;
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97 return -1;
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98 }
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99 if (retval == CURLE_SSL_CONNECT_ERROR) {
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100 mErrorState = SSLHandshakeFailed;
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101 return -1;
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102 }
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103
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104 mErrorState = NoConnection;
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105 return -1;
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106 }
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107 mConnected = true;
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108 return 0;
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109 }
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110
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111 /* Globally do this as we can't pass "this" (the ptr) to the c function */
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112 size_t ssl_curl_max_write, ssl_curl_written;
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113
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114 size_t write_data(void *ptr, size_t size, size_t nmemb,
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115 QSaveFile *fp)
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116 {
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117 qDebug() << "Writing size: " << size << " * " << nmemb;
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118 if (ssl_curl_max_write < ssl_curl_written) {
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119 qDebug() << "Aborting write. Too much data.";
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120 return 0;
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121 }
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122 size_t written = fp->write((const char *)ptr, size * nmemb);
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123 if (written != size * nmemb) {
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124 qDebug() << "Failed to write data. Written: " << written
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125 << " requested: " << size * nmemb;
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126 return 0;
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127 }
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128 ssl_curl_written += written;
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129 return written;
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130 }
d1c951b3012d Curl based implementation of sslconnection
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131
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132 size_t debug_write(void *ptr, size_t size, size_t nmemb,
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133 void *unused)
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134 {
fe2c6666b462 (issue46) Add debug option to trustbridge client application
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135 Q_UNUSED(unused);
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136
fe2c6666b462 (issue46) Add debug option to trustbridge client application
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137 qDebug() << QString::fromUtf8((const char *)ptr, size * nmemb);
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138 return size *nmemb;
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139 }
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140
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141 bool SSLConnectionCurl::downloadFile(const QString &resource,
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142 const QString &fileName,
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143 size_t maxSize)
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144 {
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145 ssl_curl_written = 0;
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146 ssl_curl_max_write = maxSize;
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6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
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parents: 956
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147 QSaveFile outputFile(fileName);
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148 // Open / Create the file to write to.
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149 if (!outputFile.open(QIODevice::WriteOnly)) {
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150 qDebug() << "Failed to open file";
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151 return false;
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152 }
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153 QUrl urlCopy = mUrl;
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154 urlCopy.setPath(resource);
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155
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156 if (curl_easy_setopt(mCurl, CURLOPT_URL, urlCopy.toEncoded().constData()) != CURLE_OK) {
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157 qDebug() << "Failed to set URL";
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158 return false;
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159 }
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160
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161 if (curl_easy_setopt(mCurl, CURLOPT_CONNECT_ONLY, 0L) != CURLE_OK) {
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parents: 908
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162 qDebug() << "Failed to set connect";
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163 return false;
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164 }
908
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165
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166 if (curl_easy_setopt(mCurl, CURLOPT_HEADER, 0L) != CURLE_OK) {
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parents: 908
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167 qDebug() << "Failed to set header";
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168 return false;
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169 }
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170
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171 if (curl_easy_setopt(mCurl, CURLOPT_NOBODY, 0L) != CURLE_OK) {
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172 qDebug() << "Failed to set no body";
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173 return false;
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174 }
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175
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176 if (curl_easy_setopt(mCurl, CURLOPT_WRITEFUNCTION, write_data) != CURLE_OK) {
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Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
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177 qDebug() << "Failed to set write function";
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178 return false;
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179 }
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180
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181 if (curl_easy_setopt(mCurl, CURLOPT_WRITEDATA, &outputFile) != CURLE_OK) {
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Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
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182 qDebug() << "Failed to set write function";
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183 return false;
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184 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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185
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186 if (curl_easy_perform (mCurl) != CURLE_OK) {
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parents: 908
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187 qDebug() << "Failed to perform download.";
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188 return false;
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Andre Heinecke <andre.heinecke@intevation.de>
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189 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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190
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
191 if (!outputFile.commit()) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
192 qDebug() << "Failed to commit data to filesystem.";
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193 return false;
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194 }
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diff changeset
195
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196 return true;
908
d1c951b3012d Curl based implementation of sslconnection
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197 }
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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diff changeset
198
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
199 QDateTime SSLConnectionCurl::getLastModifiedHeader(const QString &resource) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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diff changeset
200 QUrl urlCopy = mUrl;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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diff changeset
201 urlCopy.setPath(resource);
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
202
1058
fe2c6666b462 (issue46) Add debug option to trustbridge client application
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diff changeset
203 if (curl_easy_setopt(mCurl, CURLOPT_WRITEFUNCTION, debug_write) != CURLE_OK) {
fe2c6666b462 (issue46) Add debug option to trustbridge client application
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parents: 1004
diff changeset
204 qDebug() << "Failed to set write function";
fe2c6666b462 (issue46) Add debug option to trustbridge client application
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parents: 1004
diff changeset
205 return QDateTime();
fe2c6666b462 (issue46) Add debug option to trustbridge client application
Andre Heinecke <andre.heinecke@intevation.de>
parents: 1004
diff changeset
206 }
fe2c6666b462 (issue46) Add debug option to trustbridge client application
Andre Heinecke <andre.heinecke@intevation.de>
parents: 1004
diff changeset
207
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
208 if (curl_easy_setopt(mCurl, CURLOPT_URL, urlCopy.toEncoded().constData()) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
209 qDebug() << "Failed to set URL";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
210 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
211 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
212
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
213 if (curl_easy_setopt(mCurl, CURLOPT_CONNECT_ONLY, 0L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
214 qDebug() << "Failed to set connect";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
215 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
216 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
217
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
218 if (curl_easy_setopt(mCurl, CURLOPT_HEADER, 1L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
219 qDebug() << "Failed to set header";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
220 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
221 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
222
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
223 if (curl_easy_setopt(mCurl, CURLOPT_NOBODY, 1L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
224 qDebug() << "Failed to set no body";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
225 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
226 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
227
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
228 if (curl_easy_setopt(mCurl, CURLOPT_FILETIME, 1L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
229 qDebug() << "Failed to set filetime";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
230 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
231 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
232
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
233 if (curl_easy_perform (mCurl) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
234 qDebug() << "Failed to perform last modified check.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
235 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
236 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
237 long filetime = 0;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
238
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
239 if (curl_easy_getinfo (mCurl, CURLINFO_FILETIME, &filetime) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
240 qDebug() << "Failed to get filetime";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
241 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
242 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
243
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
244 if (filetime == -1) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
245 qDebug() << "Invalid Time";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
246 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
247 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
248 return QDateTime::fromTime_t(filetime);
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
249 }
956
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
250
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
251 void SSLConnectionCurl::setProxy(const QUrl& proxyUrl) {
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
252 if (curl_easy_setopt(mCurl, CURLOPT_PROXY, proxyUrl.toEncoded().constData()) != CURLE_OK) {
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
253 qDebug() << "Failed to set proxy";
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
254 return;
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
255 }
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
256 }
991
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
257
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
258 void SSLConnectionCurl::setCiphersuites(int ciphers[]) {
999
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259 QStringList cipher_list;
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
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260 for (int i = 0; ciphers[i] != 0; i++) {
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
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261 cipher_list << ssl_get_ciphersuite_name(ciphers[i]);
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
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262 }
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
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263
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
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264 if (curl_easy_setopt(mCurl, CURLOPT_SSL_CIPHER_LIST,
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
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265 cipher_list.join(":").toLatin1().constData()) != CURLE_OK) {
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266 qDebug() << "Failed to set cipher list";
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
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267 return;
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
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268 }
991
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
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parents: 956
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269 }
http://wald.intevation.org/projects/trustbridge/