annotate Core/HttpServer/HttpOutput.cpp @ 909:ef71057d8b26 plugins

refactoring
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 20 Jun 2014 13:30:53 +0200
parents e078ea944089
children 28a52982196e
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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32
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33 #include "../PrecompiledHeaders.h"
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34 #include "HttpOutput.h"
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35
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36 #include <iostream>
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37 #include <vector>
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38 #include <stdio.h>
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39 #include <boost/lexical_cast.hpp>
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40 #include "../OrthancException.h"
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41 #include "../Toolbox.h"
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42
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43 namespace Orthanc
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44 {
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45 void HttpOutput::PrepareOkHeader(Header& header,
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46 const char* contentType,
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47 bool hasContentLength,
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48 uint64_t contentLength,
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49 const char* contentFilename)
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50 {
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51 header.clear();
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52
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53 if (contentType && contentType[0] != '\0')
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54 {
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55 header.push_back(std::make_pair("Content-Type", std::string(contentType)));
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56 }
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57
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58 if (hasContentLength)
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59 {
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60 header.push_back(std::make_pair("Content-Length", boost::lexical_cast<std::string>(contentLength)));
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61 }
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62
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63 if (contentFilename && contentFilename[0] != '\0')
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64 {
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65 std::string attachment = "attachment; filename=\"" + std::string(contentFilename) + "\"";
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66 header.push_back(std::make_pair("Content-Disposition", attachment));
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67 }
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68 }
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69
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70 void HttpOutput::SendOkHeader(const char* contentType,
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71 bool hasContentLength,
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72 uint64_t contentLength,
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73 const char* contentFilename)
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74 {
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75 Header header;
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76 PrepareOkHeader(header, contentType, hasContentLength, contentLength, contentFilename);
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77 SendOkHeader(header);
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78 }
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80 void HttpOutput::SendOkHeader(const Header& header)
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81 {
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82 stream_.SendHttpStatus(HttpStatus_200_Ok);
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84 std::string s;
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85 for (Header::const_iterator
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86 it = header.begin(); it != header.end(); ++it)
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87 {
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88 s += it->first + ": " + it->second + "\r\n";
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89 }
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91 stream_.SendHeaderString(s);
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92 }
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94
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95 void HttpOutput::SendMethodNotAllowedError(const std::string& allowed)
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96 {
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97 stream_.SendHttpStatus(HttpStatus_405_MethodNotAllowed);
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98 stream_.SendHeaderString("Allow: " + allowed + "\r\n");
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99 }
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101
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102 void HttpOutput::SendHeader(HttpStatus status)
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103 {
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104 if (status == HttpStatus_200_Ok ||
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105 status == HttpStatus_301_MovedPermanently ||
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106 status == HttpStatus_401_Unauthorized ||
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107 status == HttpStatus_405_MethodNotAllowed)
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108 {
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109 throw OrthancException("Please use the dedicated methods to this HTTP status code in HttpOutput");
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110 }
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111
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112 stream_.SendHttpStatus(status);
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113 }
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116 void HttpOutput::AnswerBufferWithContentType(const std::string& buffer,
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117 const std::string& contentType)
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118 {
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119 SendOkHeader(contentType.c_str(), true, buffer.size(), NULL);
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120 SendBodyString(buffer);
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121 }
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123
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124 void HttpOutput::PrepareCookies(Header& header,
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125 const HttpHandler::Arguments& cookies)
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126 {
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127 for (HttpHandler::Arguments::const_iterator it = cookies.begin();
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128 it != cookies.end(); ++it)
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129 {
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130 header.push_back(std::make_pair("Set-Cookie", it->first + "=" + it->second));
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131 }
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132 }
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134
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135 void HttpOutput::AnswerBufferWithContentType(const std::string& buffer,
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136 const std::string& contentType,
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137 const HttpHandler::Arguments& cookies)
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138 {
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139 Header header;
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140 PrepareOkHeader(header, contentType.c_str(), true, buffer.size(), NULL);
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141 PrepareCookies(header, cookies);
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142 SendOkHeader(header);
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143 SendBodyString(buffer);
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144 }
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146
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147 void HttpOutput::AnswerBufferWithContentType(const void* buffer,
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148 size_t size,
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149 const std::string& contentType)
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150 {
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151 SendOkHeader(contentType.c_str(), true, size, NULL);
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152 SendBodyData(buffer, size);
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153 }
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156 void HttpOutput::AnswerBufferWithContentType(const void* buffer,
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157 size_t size,
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158 const std::string& contentType,
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159 const HttpHandler::Arguments& cookies)
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160 {
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161 Header header;
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162 PrepareOkHeader(header, contentType.c_str(), true, size, NULL);
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163 PrepareCookies(header, cookies);
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164 SendOkHeader(header);
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165 SendBodyData(buffer, size);
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166 }
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167
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168
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169 void HttpOutput::Redirect(const std::string& path)
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170 {
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171 stream_.SendHttpStatus(HttpStatus_301_MovedPermanently);
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172 stream_.SendHeaderString("Location: " + path + "\r\n");
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173 }
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174
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175
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176 void HttpOutput::SendUnauthorized(const std::string& realm)
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177 {
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178 stream_.SendHttpStatus(HttpStatus_401_Unauthorized);
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179 stream_.SendHeaderString("WWW-Authenticate: Basic realm=\"" + realm + "\"\r\n");
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180 }
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181
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182 }