Mercurial > hg > orthanc
annotate Core/HttpServer/HttpToolbox.cpp @ 1441:f3672356c121
refactoring: IHttpHandler and HttpToolbox
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 01 Jul 2015 10:38:39 +0200 |
| parents | Core/HttpServer/HttpHandler.cpp@02f5a3f5c0a0 |
| children | b2b09a3dbd8e |
| 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 |
| 36 #include <string.h> | |
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37 #include <iostream> |
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38 |
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39 #include "HttpOutput.h" |
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40 #include "StringHttpOutput.h" |
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41 |
| 0 | 42 |
| 59 | 43 namespace Orthanc |
| 0 | 44 { |
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45 static void SplitGETNameValue(IHttpHandler::GetArguments& result, |
| 0 | 46 const char* start, |
| 47 const char* end) | |
| 48 { | |
| 334 | 49 std::string name, value; |
| 50 | |
| 0 | 51 const char* equal = strchr(start, '='); |
| 52 if (equal == NULL || equal >= end) | |
| 53 { | |
| 334 | 54 name = std::string(start, end - start); |
| 55 //value = ""; | |
| 0 | 56 } |
| 57 else | |
| 58 { | |
| 334 | 59 name = std::string(start, equal - start); |
| 60 value = std::string(equal + 1, end); | |
| 0 | 61 } |
| 334 | 62 |
| 336 | 63 Toolbox::UrlDecode(name); |
| 64 Toolbox::UrlDecode(value); | |
| 65 | |
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66 result.push_back(std::make_pair(name, value)); |
| 0 | 67 } |
| 68 | |
| 69 | |
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70 void HttpToolbox::ParseGetArguments(IHttpHandler::GetArguments& result, |
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71 const char* query) |
| 0 | 72 { |
| 73 const char* pos = query; | |
| 74 | |
| 75 while (pos != NULL) | |
| 76 { | |
| 77 const char* ampersand = strchr(pos, '&'); | |
| 78 if (ampersand) | |
| 79 { | |
| 80 SplitGETNameValue(result, pos, ampersand); | |
| 81 pos = ampersand + 1; | |
| 82 } | |
| 83 else | |
| 84 { | |
| 85 // No more ampersand, this is the last argument | |
| 86 SplitGETNameValue(result, pos, pos + strlen(pos)); | |
| 87 pos = NULL; | |
| 88 } | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 | |
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93 void HttpToolbox::ParseGetQuery(UriComponents& uri, |
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94 IHttpHandler::GetArguments& getArguments, |
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95 const char* query) |
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96 { |
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97 const char *questionMark = ::strchr(query, '?'); |
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98 if (questionMark == NULL) |
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99 { |
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100 // No question mark in the string |
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101 Toolbox::SplitUriComponents(uri, query); |
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102 getArguments.clear(); |
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103 } |
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104 else |
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105 { |
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106 Toolbox::SplitUriComponents(uri, std::string(query, questionMark)); |
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107 HttpToolbox::ParseGetArguments(getArguments, questionMark + 1); |
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108 } |
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109 } |
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110 |
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111 |
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112 std::string HttpToolbox::GetArgument(const IHttpHandler::Arguments& getArguments, |
| 0 | 113 const std::string& name, |
| 114 const std::string& defaultValue) | |
| 115 { | |
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116 IHttpHandler::Arguments::const_iterator it = getArguments.find(name); |
| 207 | 117 if (it == getArguments.end()) |
| 0 | 118 { |
| 119 return defaultValue; | |
| 120 } | |
| 121 else | |
| 122 { | |
| 123 return it->second; | |
| 124 } | |
| 125 } | |
| 330 | 126 |
| 127 | |
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128 std::string HttpToolbox::GetArgument(const IHttpHandler::GetArguments& getArguments, |
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129 const std::string& name, |
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130 const std::string& defaultValue) |
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131 { |
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132 for (size_t i = 0; i < getArguments.size(); i++) |
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133 { |
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134 if (getArguments[i].first == name) |
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135 { |
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136 return getArguments[i].second; |
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137 } |
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138 } |
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139 |
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140 return defaultValue; |
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141 } |
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142 |
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143 |
| 330 | 144 |
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145 void HttpToolbox::ParseCookies(IHttpHandler::Arguments& result, |
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146 const IHttpHandler::Arguments& httpHeaders) |
| 330 | 147 { |
| 148 result.clear(); | |
| 149 | |
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150 IHttpHandler::Arguments::const_iterator it = httpHeaders.find("cookie"); |
| 330 | 151 if (it != httpHeaders.end()) |
| 152 { | |
| 153 const std::string& cookies = it->second; | |
| 154 | |
| 155 size_t pos = 0; | |
| 156 while (pos != std::string::npos) | |
| 157 { | |
| 158 size_t nextSemicolon = cookies.find(";", pos); | |
| 159 std::string cookie; | |
| 160 | |
| 161 if (nextSemicolon == std::string::npos) | |
| 162 { | |
| 163 cookie = cookies.substr(pos); | |
| 164 pos = std::string::npos; | |
| 165 } | |
| 166 else | |
| 167 { | |
| 168 cookie = cookies.substr(pos, nextSemicolon - pos); | |
| 169 pos = nextSemicolon + 1; | |
| 170 } | |
| 171 | |
| 172 size_t equal = cookie.find("="); | |
| 173 if (equal != std::string::npos) | |
| 174 { | |
| 175 std::string name = Toolbox::StripSpaces(cookie.substr(0, equal)); | |
| 176 std::string value = Toolbox::StripSpaces(cookie.substr(equal + 1)); | |
| 177 result[name] = value; | |
| 178 } | |
| 179 } | |
| 180 } | |
| 181 } | |
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182 |
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183 |
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184 void HttpToolbox::CompileGetArguments(IHttpHandler::Arguments& compiled, |
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185 const IHttpHandler::GetArguments& source) |
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186 { |
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187 compiled.clear(); |
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188 |
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189 for (size_t i = 0; i < source.size(); i++) |
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190 { |
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191 compiled[source[i].first] = source[i].second; |
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192 } |
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193 } |
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194 |
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195 |
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196 bool HttpToolbox::SimpleGet(std::string& output, |
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197 IHttpHandler& handler, |
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198 const std::string& uri) |
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199 { |
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200 IHttpHandler::Arguments headers; // No HTTP header |
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201 std::string body; // No body for a GET request |
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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, body)) |
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211 { |
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212 stream.GetOutput(output); |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
diff
changeset
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213 return true; |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
diff
changeset
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214 } |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
diff
changeset
|
215 else |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
diff
changeset
|
216 { |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
diff
changeset
|
217 return false; |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
diff
changeset
|
218 } |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
diff
changeset
|
219 } |
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02f5a3f5c0a0
access to the REST API from Lua
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1363
diff
changeset
|
220 |
| 0 | 221 } |