Mercurial > hg > orthanc-authorization
annotate Plugin/ResourceHierarchyCache.cpp @ 31:c304ffca5d80
upgrade to year 2020
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 31 Jan 2020 17:51:30 +0100 |
parents | bc0431cb6b8f |
children | 79d871605ffd |
rev | line source |
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1 | 1 /** |
2 * Advanced authorization plugin for Orthanc | |
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3 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
1 | 4 * |
5 * This program is free software: you can redistribute it and/or | |
6 * modify it under the terms of the GNU Affero General Public License | |
7 * as published by the Free Software Foundation, either version 3 of | |
8 * the License, or (at your option) any later version. | |
9 * | |
10 * This program is distributed in the hope that it will be useful, but | |
11 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 * Affero General Public License for more details. | |
14 * | |
15 * You should have received a copy of the GNU Affero General Public License | |
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 **/ | |
18 | |
19 #include "ResourceHierarchyCache.h" | |
20 | |
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21 #include <Core/Logging.h> |
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22 #include <Core/OrthancException.h> |
1 | 23 |
24 #include <boost/lexical_cast.hpp> | |
25 | |
26 namespace OrthancPlugins | |
27 { | |
28 std::string ResourceHierarchyCache::ComputeKey(Orthanc::ResourceType level, | |
29 const std::string identifier) const | |
30 { | |
31 return boost::lexical_cast<std::string>(level) + "|" + identifier; | |
32 } | |
33 | |
34 | |
35 void ResourceHierarchyCache::LinkParent(const OrthancResource& child, | |
36 const OrthancResource& parent) | |
37 { | |
38 LOG(INFO) << "Linking " << Orthanc::EnumerationToString(child.GetLevel()) | |
39 << " \"" << child.GetIdentifier() << "\" to its parent " | |
40 << Orthanc::EnumerationToString(parent.GetLevel()) | |
41 << " \"" << parent.GetIdentifier() << "\""; | |
42 | |
43 cache_->Store(ComputeKey(child), parent.GetIdentifier(), 0 /* no expiration */); | |
44 } | |
45 | |
46 | |
47 bool ResourceHierarchyCache::LookupParent(std::string& target, | |
48 const OrthancResource& resource) | |
49 { | |
50 std::string key = ComputeKey(resource); | |
51 | |
52 if (cache_->Retrieve(target, key)) | |
53 { | |
54 // The parent was already stored in the cache | |
55 return true; | |
56 } | |
57 | |
58 // Not in the cache, reading the resource from the Orthanc store | |
59 std::string dicomUid; | |
60 OrthancResource parent; | |
61 std::list<OrthancResource> children; | |
62 | |
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63 if (!resource.GetHierarchy(dicomUid, parent, children)) |
1 | 64 { |
65 // The resource is non-existing (*) | |
66 return false; | |
67 } | |
68 | |
69 orthancToDicom_->Store(key, dicomUid, 0 /* no expiration */); | |
70 dicomToOrthanc_->Store(ComputeKey(resource.GetLevel(), dicomUid), | |
71 resource.GetIdentifier(), 0 /* no expiration */); | |
72 | |
73 for (std::list<OrthancResource>::const_iterator | |
74 it = children.begin(); it != children.end(); ++it) | |
75 { | |
76 // Cache the relation of the resource with its children | |
77 LinkParent(*it, resource); | |
78 } | |
79 | |
80 if (parent.IsValid()) | |
81 { | |
82 LinkParent(resource, parent); | |
83 target = parent.GetIdentifier(); | |
84 return true; | |
85 } | |
86 else | |
87 { | |
88 // We reached the patient level, or the resource was removed | |
89 // from Orthanc since (*) | |
90 return false; | |
91 } | |
92 } | |
93 | |
94 | |
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95 ResourceHierarchyCache::ResourceHierarchyCache(ICacheFactory& factory) : |
1 | 96 cache_(factory.Create()), |
97 orthancToDicom_(factory.Create()), | |
98 dicomToOrthanc_(factory.Create()) | |
99 { | |
100 if (cache_.get() == NULL) | |
101 { | |
102 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
103 } | |
104 } | |
105 | |
106 | |
107 void ResourceHierarchyCache::Invalidate(Orthanc::ResourceType level, | |
108 const std::string& identifier) | |
109 { | |
110 LOG(INFO) << "Invalidating " << Orthanc::EnumerationToString(level) | |
111 << " resource with ID: " << identifier; | |
112 | |
113 std::string key = ComputeKey(level, identifier); | |
114 cache_->Invalidate(key); | |
115 orthancToDicom_->Invalidate(key); | |
116 } | |
117 | |
118 | |
119 bool ResourceHierarchyCache::LookupSeries(std::string& patient, | |
120 std::string& study, | |
121 const std::string& series) | |
122 { | |
123 if (LookupParent(study, Orthanc::ResourceType_Series, series)) | |
124 { | |
125 return LookupStudy(patient, study); | |
126 } | |
127 else | |
128 { | |
129 return false; | |
130 } | |
131 } | |
132 | |
133 | |
134 bool ResourceHierarchyCache::LookupInstance(std::string& patient, | |
135 std::string& study, | |
136 std::string& series, | |
137 const std::string& instance) | |
138 { | |
139 if (LookupParent(series, Orthanc::ResourceType_Instance, instance)) | |
140 { | |
141 return LookupSeries(patient, study, series); | |
142 } | |
143 else | |
144 { | |
145 return false; | |
146 } | |
147 } | |
148 | |
149 | |
150 bool ResourceHierarchyCache::LookupDicomUid(std::string& target, | |
151 Orthanc::ResourceType level, | |
152 const std::string& orthancId) | |
153 { | |
154 std::string key = ComputeKey(level, orthancId); | |
155 | |
156 if (orthancToDicom_->Retrieve(target, key)) | |
157 { | |
158 return true; | |
159 } | |
160 | |
161 OrthancResource resource(level, orthancId); | |
162 | |
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parents:
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163 if (resource.GetDicomUid(target)) |
1 | 164 { |
165 orthancToDicom_->Store(key, target, 0 /* no expiration */); | |
166 return true; | |
167 } | |
168 else | |
169 { | |
170 return false; | |
171 } | |
172 } | |
173 | |
174 | |
175 bool ResourceHierarchyCache::LookupOrthancId(std::string& target, | |
176 Orthanc::ResourceType level, | |
177 const std::string& dicomUid) | |
178 { | |
179 std::string key = ComputeKey(level, dicomUid); | |
180 | |
181 if (dicomToOrthanc_->Retrieve(target, key)) | |
182 { | |
183 return true; | |
184 } | |
185 | |
186 OrthancResource resource(level, dicomUid); | |
187 | |
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parents:
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188 if (OrthancResource::LookupOrthancId(target, level, dicomUid)) |
1 | 189 { |
190 dicomToOrthanc_->Store(key, target, 0 /* no expiration */); | |
191 return true; | |
192 } | |
193 else | |
194 { | |
195 return false; | |
196 } | |
197 } | |
198 } |