Mercurial > hg > orthanc-object-storage

comparison Common/EncryptionConfigurator.cpp @ 1:fc26a8fc54d5

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initial release
author Alain Mazy <alain@mazy.be>
date Fri, 03 Jul 2020 10:08:44 +0200
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children f55b2afdf53d
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0:d7198e8f0d47 1:fc26a8fc54d5
1 /**
2 * Cloud storage plugins for Orthanc
3 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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
20
21 #include <orthanc/OrthancCPlugin.h>
22 #include <OrthancPluginCppWrapper.h>
23
24 #include "EncryptionConfigurator.h"
25
26 bool ReadMasterKey(uint32_t& id, std::string& keyPath, const Json::Value& node)
27 {
28 if (!node.isArray() || node.size() != 2 || !node[0].isUInt() || !node[1].isString())
29 {
30 OrthancPlugins::LogWarning("Encryption: Invalid master key configuration");
31 return false;
32 }
33
34 id = node[0].asUInt();
35 keyPath = node[1].asString();
36
37 return true;
38 }
39
40
41 EncryptionHelpers* EncryptionConfigurator::CreateEncryptionHelpers(const OrthancPlugins::OrthancConfiguration& cryptoSection)
42 {
43 bool enabled = cryptoSection.GetBooleanValue("Enable", true);
44
45 if (!enabled)
46 {
47 return nullptr;
48 }
49
50 Json::Value cryptoJson = cryptoSection.GetJson();
51
52 if (!cryptoJson.isMember("MasterKey") || !cryptoJson["MasterKey"].isArray())
53 {
54 OrthancPlugins::LogWarning("Encryption: MasterKey missing. Unable to initialize encryption");
55 return nullptr;
56 }
57
58 unsigned int maxConcurrentInputSizeInMb = cryptoSection.GetUnsignedIntegerValue("MaxConcurrentInputSize", 1024);
59
60 std::unique_ptr<EncryptionHelpers> crypto(new EncryptionHelpers(maxConcurrentInputSizeInMb * 1024*1024));
61
62 uint32_t masterKeyId;
63 std::string masterKeyPath;
64
65 if (!ReadMasterKey(masterKeyId, masterKeyPath, cryptoJson["MasterKey"]))
66 {
67 return nullptr;
68 }
69 crypto->SetCurrentMasterKey(masterKeyId, masterKeyPath);
70
71 if (cryptoJson.isMember("PreviousMasterKeys") && cryptoJson["PreviousMasterKeys"].isArray())
72 {
73 for (size_t i = 0; i < cryptoJson["PreviousMasterKeys"].size(); i++)
74 {
75 uint32_t keyId;
76 std::string keyPath;
77 if (!ReadMasterKey(keyId, keyPath, cryptoJson["PreviousMasterKeys"][(unsigned int)i]))
78 {
79 return nullptr;
80 }
81 crypto->AddPreviousMasterKey(keyId, keyPath);
82 }
83 }
84
85 return crypto.release();
86 }