Mercurial > hg > orthanc
annotate Core/RestApi/RestApiOutput.cpp @ 843:6a5cceec04ef jpeg
cont
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 04 Jun 2014 17:57:59 +0200 |
| parents | a811bdf8b8eb |
| children | 8d1845feb277 |
| rev | line source |
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| 209 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 209 | 4 * Belgium |
| 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. | |
| 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. | |
| 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" |
| 209 | 34 #include "RestApiOutput.h" |
| 35 | |
| 330 | 36 #include <boost/lexical_cast.hpp> |
| 37 | |
| 211 | 38 #include "../OrthancException.h" |
| 39 | |
| 209 | 40 namespace Orthanc |
| 41 { | |
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42 RestApiOutput::RestApiOutput(HttpOutput& output) : |
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43 output_(output) |
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44 { |
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45 alreadySent_ = false; |
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46 } |
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47 |
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48 RestApiOutput::~RestApiOutput() |
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49 { |
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50 if (!alreadySent_) |
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51 { |
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52 output_.SendHeader(HttpStatus_400_BadRequest); |
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53 } |
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54 } |
| 211 | 55 |
| 56 void RestApiOutput::CheckStatus() | |
| 57 { | |
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58 if (alreadySent_) |
| 211 | 59 { |
| 60 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 61 } | |
| 62 } | |
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63 |
| 209 | 64 void RestApiOutput::AnswerFile(HttpFileSender& sender) |
| 65 { | |
| 211 | 66 CheckStatus(); |
| 209 | 67 sender.Send(output_); |
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68 alreadySent_ = true; |
| 209 | 69 } |
| 70 | |
| 71 void RestApiOutput::AnswerJson(const Json::Value& value) | |
| 72 { | |
| 211 | 73 CheckStatus(); |
| 209 | 74 Json::StyledWriter writer; |
| 75 std::string s = writer.write(value); | |
| 330 | 76 output_.AnswerBufferWithContentType(s, "application/json", cookies_); |
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77 alreadySent_ = true; |
| 209 | 78 } |
| 79 | |
| 80 void RestApiOutput::AnswerBuffer(const std::string& buffer, | |
| 81 const std::string& contentType) | |
| 82 { | |
| 211 | 83 CheckStatus(); |
| 330 | 84 output_.AnswerBufferWithContentType(buffer, contentType, cookies_); |
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85 alreadySent_ = true; |
| 209 | 86 } |
| 87 | |
| 339 | 88 void RestApiOutput::AnswerBuffer(const void* buffer, |
| 89 size_t length, | |
| 90 const std::string& contentType) | |
| 91 { | |
| 92 CheckStatus(); | |
| 93 output_.AnswerBufferWithContentType(buffer, length, contentType, cookies_); | |
| 94 alreadySent_ = true; | |
| 95 } | |
| 96 | |
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97 void RestApiOutput::Redirect(const std::string& path) |
| 209 | 98 { |
| 211 | 99 CheckStatus(); |
| 209 | 100 output_.Redirect(path); |
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101 alreadySent_ = true; |
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102 } |
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103 |
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104 void RestApiOutput::SignalError(HttpStatus status) |
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105 { |
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106 if (status != HttpStatus_403_Forbidden && |
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107 status != HttpStatus_415_UnsupportedMediaType) |
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108 { |
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109 throw OrthancException("This HTTP status is not allowed in a REST API"); |
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110 } |
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111 |
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112 CheckStatus(); |
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113 output_.SendHeader(status); |
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114 alreadySent_ = true; |
| 209 | 115 } |
| 330 | 116 |
| 117 void RestApiOutput::SetCookie(const std::string& name, | |
| 118 const std::string& value, | |
| 119 unsigned int maxAge) | |
| 120 { | |
| 121 if (name.find(";") != std::string::npos || | |
| 122 name.find(" ") != std::string::npos || | |
| 123 value.find(";") != std::string::npos || | |
| 124 value.find(" ") != std::string::npos) | |
| 125 { | |
| 126 throw OrthancException(ErrorCode_NotImplemented); | |
| 127 } | |
| 128 | |
| 129 CheckStatus(); | |
| 130 | |
| 131 std::string v = value + ";path=/"; | |
| 132 | |
| 133 if (maxAge != 0) | |
| 134 { | |
| 135 v += ";max-age=" + boost::lexical_cast<std::string>(maxAge); | |
| 136 } | |
| 137 | |
| 138 cookies_[name] = v; | |
| 139 } | |
| 140 | |
| 141 void RestApiOutput::ResetCookie(const std::string& name) | |
| 142 { | |
| 143 // This marks the cookie to be deleted by the browser in 1 second, | |
| 144 // and before it actually gets deleted, its value is set to the | |
| 145 // empty string | |
| 146 SetCookie(name, "", 1); | |
| 147 } | |
| 209 | 148 } |