annotate ui/sslconnection_curl.cpp @ 955:0f7aeb12e5e9

(issue41) Add proxsettingsdialog
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 27 Aug 2014 16:31:11 +0200
parents c8be25c83ff6
children 879a634d0a40
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 <QSaveFile>
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11
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12 #define CONNECTION_DEBUG
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13
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14 SSLConnectionCurl::SSLConnectionCurl(const QString& url,
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15 const QByteArray& certificate):
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16 SSLConnection (url, certificate),
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17 mCurl (NULL)
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18 {
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19 if (certificate.isEmpty()) {
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20 QFile certResource(":certs/intevation.de");
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21 certResource.open(QFile::ReadOnly);
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22 mPinnedCert = certResource.readAll();
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23 certResource.close();
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24 }
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25
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26 curl_global_init(CURL_GLOBAL_DEFAULT);
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27 mCurl = curl_easy_init();
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28
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29 if (!mCurl) {
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30 qDebug() << "Failed to initialize curl";
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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_SSL_VERIFYPEER, 1L) != CURLE_OK) {
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35 /* Should be default anyway */
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36 qDebug() << "Setting verifypeer failed";
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37 return;
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38 }
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39
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40 if (curl_easy_setopt(mCurl, CURLOPT_SSL_VERIFYHOST, 0L) != CURLE_OK) {
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41 /* There are no limitiations for the pinned certificate */
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42 qDebug() << "Setting verifyhost failed";
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43 return;
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44 }
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45
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46 if (curl_easy_setopt(mCurl, CURLOPT_ERRORBUFFER, mErrBuf) != CURLE_OK) {
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47 qDebug() << "Setting errorbuf failed";
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48 return;
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49 }
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50
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51 mCertFile.open();
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52 if (mCertFile.write(mPinnedCert) != mPinnedCert.size()) {
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53 qDebug() << "Failed to write temporary certificate";
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54 return;
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55 }
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56 mCertFile.close();
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57
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58 if (curl_easy_setopt(mCurl, CURLOPT_CAINFO,
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59 mCertFile.fileName().toUtf8().constData()) != CURLE_OK) {
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60 qDebug() << "Failed to write temporary certificate";
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61 return;
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62 }
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63 mInitialized = true;
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64
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65 #ifdef CONNECTION_DEBUG
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66 curl_easy_setopt(mCurl, CURLOPT_VERBOSE, 1L);
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67 #endif
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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
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100 mErrorState = NoConnection;
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101 return -1;
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102 }
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103 mConnected = true;
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104 return 0;
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105 }
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106
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107 /* Globally do this as we can't pass this to the c function */
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108 size_t ssl_curl_max_write, ssl_curl_written;
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109
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110 size_t write_data(void *ptr, size_t size, size_t nmemb,
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111 QSaveFile *fp)
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112 {
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113 qDebug() << "Writing size: " << size << " * " << nmemb;
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114 if (ssl_curl_max_write < ssl_curl_written) {
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115 qDebug() << "Aborting write. Too much data.";
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116 return 0;
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117 }
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118 size_t written = fp->write((const char *)ptr, size * nmemb);
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119 if (written != size * nmemb) {
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120 qDebug() << "Failed to write data. Written: " << written
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121 << " requested: " << size * nmemb;
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122 return 0;
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123 }
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124 ssl_curl_written += written;
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125 return written;
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126 }
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127
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128 bool SSLConnectionCurl::downloadFile(const QString &resource,
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129 const QString &fileName,
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130 size_t maxSize)
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131 {
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132 QSaveFile outputFile(fileName);
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133 ssl_curl_written = 0;
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134 ssl_curl_max_write = maxSize;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
135 // Open / Create the file to write to.
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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parents: 908
diff changeset
136 if (!outputFile.open(QIODevice::WriteOnly)) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
137 qDebug() << "Failed to open file";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
138 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
139 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
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140 QUrl urlCopy = mUrl;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
141 urlCopy.setPath(resource);
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
142
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
143 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
144 qDebug() << "Failed to set URL";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
145 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
146 }
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
147
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
148 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
149 qDebug() << "Failed to set connect";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
150 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
151 }
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
152
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
153 if (curl_easy_setopt(mCurl, CURLOPT_HEADER, 0L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
154 qDebug() << "Failed to set header";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
155 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
156 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
157
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
158 if (curl_easy_setopt(mCurl, CURLOPT_NOBODY, 0L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
159 qDebug() << "Failed to set no body";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
160 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
161 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
162
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
163 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
diff changeset
164 qDebug() << "Failed to set write function";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
165 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
166 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
167
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
168 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
diff changeset
169 qDebug() << "Failed to set write function";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
170 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
171 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
172
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
173 if (curl_easy_perform (mCurl) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
174 qDebug() << "Failed to perform download.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
175 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
176 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
177
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
178 if (!outputFile.commit()) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
179 qDebug() << "Failed to commit data to filesystem.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
180 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
181 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
182
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
183 return true;
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
184 }
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
185
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
186 QDateTime SSLConnectionCurl::getLastModifiedHeader(const QString &resource) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
187 QUrl urlCopy = mUrl;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
188 urlCopy.setPath(resource);
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
189
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
190 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
191 qDebug() << "Failed to set URL";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
192 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
193 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
194
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
195 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
196 qDebug() << "Failed to set connect";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
197 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
198 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
199
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
200 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
201 qDebug() << "Failed to set header";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
202 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
203 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
204
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
205 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
206 qDebug() << "Failed to set no body";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
207 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
208 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
209
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
210 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
211 qDebug() << "Failed to set filetime";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
212 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
213 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
214
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
215 if (curl_easy_perform (mCurl) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
216 qDebug() << "Failed to perform last modified check.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
217 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
218 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
219 long filetime = 0;
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 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
222 qDebug() << "Failed to get filetime";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
223 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
224 }
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 if (filetime == -1) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
227 qDebug() << "Invalid Time";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
228 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
229 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
230 return QDateTime::fromTime_t(filetime);
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
231 }

http://wald.intevation.org/projects/trustbridge/