Mercurial > hg > orthanc
annotate Core/HttpServer/HttpToolbox.cpp @ 1446:8dc80ba768aa
refactoring: IHttpHandler does not use std::string to hold the request body
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 01 Jul 2015 13:16:12 +0200 |
| parents | b2b09a3dbd8e |
| children | 5ba7471780ae |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
| 0 | 5 * |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
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33 #include "../PrecompiledHeaders.h" |
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34 #include "HttpToolbox.h" |
| 0 | 35 |
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36 #include <stdio.h> |
| 0 | 37 #include <string.h> |
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38 #include <iostream> |
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39 |
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40 #include "HttpOutput.h" |
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41 #include "StringHttpOutput.h" |
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42 |
| 0 | 43 |
| 59 | 44 namespace Orthanc |
| 0 | 45 { |
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46 static void SplitGETNameValue(IHttpHandler::GetArguments& result, |
| 0 | 47 const char* start, |
| 48 const char* end) | |
| 49 { | |
| 334 | 50 std::string name, value; |
| 51 | |
| 0 | 52 const char* equal = strchr(start, '='); |
| 53 if (equal == NULL || equal >= end) | |
| 54 { | |
| 334 | 55 name = std::string(start, end - start); |
| 56 //value = ""; | |
| 0 | 57 } |
| 58 else | |
| 59 { | |
| 334 | 60 name = std::string(start, equal - start); |
| 61 value = std::string(equal + 1, end); | |
| 0 | 62 } |
| 334 | 63 |
| 336 | 64 Toolbox::UrlDecode(name); |
| 65 Toolbox::UrlDecode(value); | |
| 66 | |
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67 result.push_back(std::make_pair(name, value)); |
| 0 | 68 } |
| 69 | |
| 70 | |
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71 void HttpToolbox::ParseGetArguments(IHttpHandler::GetArguments& result, |
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72 const char* query) |
| 0 | 73 { |
| 74 const char* pos = query; | |
| 75 | |
| 76 while (pos != NULL) | |
| 77 { | |
| 78 const char* ampersand = strchr(pos, '&'); | |
| 79 if (ampersand) | |
| 80 { | |
| 81 SplitGETNameValue(result, pos, ampersand); | |
| 82 pos = ampersand + 1; | |
| 83 } | |
| 84 else | |
| 85 { | |
| 86 // No more ampersand, this is the last argument | |
| 87 SplitGETNameValue(result, pos, pos + strlen(pos)); | |
| 88 pos = NULL; | |
| 89 } | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 | |
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94 void HttpToolbox::ParseGetQuery(UriComponents& uri, |
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95 IHttpHandler::GetArguments& getArguments, |
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96 const char* query) |
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97 { |
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98 const char *questionMark = ::strchr(query, '?'); |
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99 if (questionMark == NULL) |
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100 { |
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101 // No question mark in the string |
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102 Toolbox::SplitUriComponents(uri, query); |
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103 getArguments.clear(); |
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104 } |
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105 else |
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106 { |
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107 Toolbox::SplitUriComponents(uri, std::string(query, questionMark)); |
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108 HttpToolbox::ParseGetArguments(getArguments, questionMark + 1); |
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109 } |
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110 } |
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111 |
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112 |
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113 std::string HttpToolbox::GetArgument(const IHttpHandler::Arguments& getArguments, |
| 0 | 114 const std::string& name, |
| 115 const std::string& defaultValue) | |
| 116 { | |
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117 IHttpHandler::Arguments::const_iterator it = getArguments.find(name); |
| 207 | 118 if (it == getArguments.end()) |
| 0 | 119 { |
| 120 return defaultValue; | |
| 121 } | |
| 122 else | |
| 123 { | |
| 124 return it->second; | |
| 125 } | |
| 126 } | |
| 330 | 127 |
| 128 | |
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129 std::string HttpToolbox::GetArgument(const IHttpHandler::GetArguments& getArguments, |
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130 const std::string& name, |
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131 const std::string& defaultValue) |
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132 { |
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133 for (size_t i = 0; i < getArguments.size(); i++) |
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134 { |
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135 if (getArguments[i].first == name) |
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136 { |
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137 return getArguments[i].second; |
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138 } |
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139 } |
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140 |
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141 return defaultValue; |
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142 } |
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143 |
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144 |
| 330 | 145 |
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146 void HttpToolbox::ParseCookies(IHttpHandler::Arguments& result, |
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147 const IHttpHandler::Arguments& httpHeaders) |
| 330 | 148 { |
| 149 result.clear(); | |
| 150 | |
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151 IHttpHandler::Arguments::const_iterator it = httpHeaders.find("cookie"); |
| 330 | 152 if (it != httpHeaders.end()) |
| 153 { | |
| 154 const std::string& cookies = it->second; | |
| 155 | |
| 156 size_t pos = 0; | |
| 157 while (pos != std::string::npos) | |
| 158 { | |
| 159 size_t nextSemicolon = cookies.find(";", pos); | |
| 160 std::string cookie; | |
| 161 | |
| 162 if (nextSemicolon == std::string::npos) | |
| 163 { | |
| 164 cookie = cookies.substr(pos); | |
| 165 pos = std::string::npos; | |
| 166 } | |
| 167 else | |
| 168 { | |
| 169 cookie = cookies.substr(pos, nextSemicolon - pos); | |
| 170 pos = nextSemicolon + 1; | |
| 171 } | |
| 172 | |
| 173 size_t equal = cookie.find("="); | |
| 174 if (equal != std::string::npos) | |
| 175 { | |
| 176 std::string name = Toolbox::StripSpaces(cookie.substr(0, equal)); | |
| 177 std::string value = Toolbox::StripSpaces(cookie.substr(equal + 1)); | |
| 178 result[name] = value; | |
| 179 } | |
| 180 } | |
| 181 } | |
| 182 } | |
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183 |
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184 |
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185 void HttpToolbox::CompileGetArguments(IHttpHandler::Arguments& compiled, |
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186 const IHttpHandler::GetArguments& source) |
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187 { |
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188 compiled.clear(); |
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189 |
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190 for (size_t i = 0; i < source.size(); i++) |
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191 { |
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192 compiled[source[i].first] = source[i].second; |
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193 } |
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194 } |
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195 |
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196 |
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197 bool HttpToolbox::SimpleGet(std::string& output, |
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198 IHttpHandler& handler, |
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199 const std::string& uri) |
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200 { |
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201 IHttpHandler::Arguments headers; // No HTTP header |
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202 |
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203 UriComponents curi; |
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204 IHttpHandler::GetArguments getArguments; |
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205 ParseGetQuery(curi, getArguments, uri.c_str()); |
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206 |
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207 StringHttpOutput stream; |
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208 HttpOutput http(stream, false /* no keep alive */); |
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209 |
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210 if (handler.Handle(http, HttpMethod_Get, curi, headers, getArguments, |
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211 NULL /* no body for GET */, 0)) |
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212 { |
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access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
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213 stream.GetOutput(output); |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
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214 return true; |
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access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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215 } |
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access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
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216 else |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
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217 { |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
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218 return false; |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
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219 } |
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access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
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220 } |
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access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
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221 |
| 0 | 222 } |