Mercurial > trustbridge

annotate ui/sslconnection_curl.cpp @ 1300:a3b0f5de3eeb

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(issue149) licenses: Mozilla completed.
author Bernhard Reiter <bernhard@intevation.de>
date Mon, 29 Sep 2014 16:30:39 +0200
parents 0eb723242536
children
rev   line source
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d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
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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().toLocal8Bit().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().toLocal8Bit().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 if (ssl_curl_max_write < ssl_curl_written) {
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118 qDebug() << "Aborting write. Too much data.";
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119 return 0;
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120 }
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121 size_t written = fp->write((const char *)ptr, size * nmemb);
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122 if (written != size * nmemb) {
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123 qDebug() << "Failed to write data. Written: " << written
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124 << " requested: " << size * nmemb;
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125 return 0;
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126 }
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127 ssl_curl_written += written;
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128 return written;
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129 }
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130
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131 size_t debug_write(void *ptr, size_t size, size_t nmemb,
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132 void *unused)
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133 {
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134 Q_UNUSED(unused);
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135
fe2c6666b462 (issue46) Add debug option to trustbridge client application
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136 qDebug() << QString::fromUtf8((const char *)ptr, size * nmemb);
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137 return size *nmemb;
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138 }
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139
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140 bool SSLConnectionCurl::downloadFile(const QString &resource,
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141 const QString &fileName,
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142 size_t maxSize)
908
d1c951b3012d Curl based implementation of sslconnection
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143 {
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144 ssl_curl_written = 0;
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145 ssl_curl_max_write = maxSize;
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6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
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146 QSaveFile outputFile(fileName);
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147 // Open / Create the file to write to.
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148 if (!outputFile.open(QIODevice::WriteOnly)) {
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149 qDebug() << "Failed to open file";
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150 return false;
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151 }
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152 QUrl urlCopy = mUrl;
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153 urlCopy.setPath(resource);
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154
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155 if (curl_easy_setopt(mCurl, CURLOPT_URL, urlCopy.toEncoded().constData()) != CURLE_OK) {
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diff changeset
156 qDebug() << "Failed to set URL";
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157 return false;
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158 }
908
d1c951b3012d Curl based implementation of sslconnection
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159
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160 if (curl_easy_setopt(mCurl, CURLOPT_CONNECT_ONLY, 0L) != CURLE_OK) {
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161 qDebug() << "Failed to set connect";
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162 return false;
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163 }
908
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parents:
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164
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165 if (curl_easy_setopt(mCurl, CURLOPT_HEADER, 0L) != CURLE_OK) {
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parents: 908
diff changeset
166 qDebug() << "Failed to set header";
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167 return false;
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168 }
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169
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170 if (curl_easy_setopt(mCurl, CURLOPT_NOBODY, 0L) != CURLE_OK) {
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171 qDebug() << "Failed to set no body";
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172 return false;
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173 }
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174
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175 if (curl_easy_setopt(mCurl, CURLOPT_WRITEFUNCTION, write_data) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
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176 qDebug() << "Failed to set write function";
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177 return false;
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178 }
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179
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180 if (curl_easy_setopt(mCurl, CURLOPT_WRITEDATA, &outputFile) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
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181 qDebug() << "Failed to set write function";
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182 return false;
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Andre Heinecke <andre.heinecke@intevation.de>
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183 }
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Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
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184
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
185 if (curl_easy_perform (mCurl) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
186 qDebug() << "Failed to perform download.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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187 return false;
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Andre Heinecke <andre.heinecke@intevation.de>
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188 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
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189
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
190 if (!outputFile.commit()) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
191 qDebug() << "Failed to commit data to filesystem.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
192 return false;
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
193 }
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Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
194
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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195 return true;
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
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196 }
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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197
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
198 QDateTime SSLConnectionCurl::getLastModifiedHeader(const QString &resource) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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199 QUrl urlCopy = mUrl;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
200 urlCopy.setPath(resource);
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
201
1058
fe2c6666b462 (issue46) Add debug option to trustbridge client application
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diff changeset
202 if (curl_easy_setopt(mCurl, CURLOPT_WRITEFUNCTION, debug_write) != CURLE_OK) {
fe2c6666b462 (issue46) Add debug option to trustbridge client application
Andre Heinecke <andre.heinecke@intevation.de>
parents: 1004
diff changeset
203 qDebug() << "Failed to set write function";
fe2c6666b462 (issue46) Add debug option to trustbridge client application
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
204 return QDateTime();
fe2c6666b462 (issue46) Add debug option to trustbridge client application
Andre Heinecke <andre.heinecke@intevation.de>
parents: 1004
diff changeset
205 }
fe2c6666b462 (issue46) Add debug option to trustbridge client application
Andre Heinecke <andre.heinecke@intevation.de>
parents: 1004
diff changeset
206
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
207 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
208 qDebug() << "Failed to set URL";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
209 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
210 }
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 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
213 qDebug() << "Failed to set connect";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
214 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
215 }
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 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
218 qDebug() << "Failed to set header";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
219 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
220 }
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 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
223 qDebug() << "Failed to set no body";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
224 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
225 }
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 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
228 qDebug() << "Failed to set filetime";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
229 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
230 }
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 if (curl_easy_perform (mCurl) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
233 qDebug() << "Failed to perform last modified check.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
234 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
235 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
236 long filetime = 0;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
237
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
238 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
239 qDebug() << "Failed to get filetime";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
240 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
241 }
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 if (filetime == -1) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
244 qDebug() << "Invalid Time";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
245 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
246 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
247 return QDateTime::fromTime_t(filetime);
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
248 }
956
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
249
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
250 void SSLConnectionCurl::setProxy(const QUrl& proxyUrl) {
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
251 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
252 qDebug() << "Failed to set proxy";
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
253 return;
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
254 }
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
255 }
991
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
256
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
257 void SSLConnectionCurl::setCiphersuites(int ciphers[]) {
999
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
258 QStringList cipher_list;
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
259 for (int i = 0; ciphers[i] != 0; i++) {
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
260 cipher_list << ssl_get_ciphersuite_name(ciphers[i]);
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
261 }
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
262
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
263 if (curl_easy_setopt(mCurl, CURLOPT_SSL_CIPHER_LIST,
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
264 cipher_list.join(":").toLatin1().constData()) != CURLE_OK) {
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
265 qDebug() << "Failed to set cipher list";
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
266 return;
daa9448b64f5 (issue90) Use certificate pinning and forced ciphersuites for curl
Andre Heinecke <andre.heinecke@intevation.de>
parents: 991
diff changeset
267 }
991
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
268 }
http://wald.intevation.org/projects/trustbridge/