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cpl_alibaba_oss.h
1 /**********************************************************************
2 * $Id$
3 *
4 * Name: cpl_alibaba_oss.h
5 * Project: CPL - Common Portability Library
6 * Purpose: Alibaba Cloud Object Storage Service
7 * Author: Even Rouault <even.rouault at spatialys.com>
8 *
9 **********************************************************************
10 * Copyright (c) 2017, Even Rouault <even.rouault at spatialys.com>
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 * DEALINGS IN THE SOFTWARE.
29 ****************************************************************************/
30
31 #ifndef CPL_ALIBABA_OSS_INCLUDED_H
32 #define CPL_ALIBABA_OSS_INCLUDED_H
33
34 #ifndef DOXYGEN_SKIP
35
36 #include <cstddef>
37
38 #include "cpl_string.h"
39
40 #ifdef HAVE_CURL
41
42 #include <curl/curl.h>
43 #include <map>
44 #include "cpl_aws.h"
45
46 class VSIOSSHandleHelper final: public IVSIS3LikeHandleHelper
47 {
48 CPL_DISALLOW_COPY_ASSIGN(VSIOSSHandleHelper)
49
50 CPLString m_osURL{};
51 CPLString m_osSecretAccessKey{};
52 CPLString m_osAccessKeyId{};
53 CPLString m_osEndpoint{};
54 CPLString m_osBucket{};
55 CPLString m_osObjectKey{};
56 bool m_bUseHTTPS = false;
57 bool m_bUseVirtualHosting = false;
58
59 void RebuildURL() override;
60
61 static bool GetConfiguration(CSLConstList papszOptions,
62 CPLString& osSecretAccessKey,
63 CPLString& osAccessKeyId);
64
65 protected:
66
67 public:
68 VSIOSSHandleHelper(const CPLString& osSecretAccessKey,
69 const CPLString& osAccessKeyId,
70 const CPLString& osEndpoint,
71 const CPLString& osBucket,
72 const CPLString& osObjectKey,
73 bool bUseHTTPS, bool bUseVirtualHosting);
74 ~VSIOSSHandleHelper();
75
76 static VSIOSSHandleHelper* BuildFromURI(const char* pszURI,
77 const char* pszFSPrefix,
78 bool bAllowNoObject,
79 CSLConstList papszOptions = nullptr);
80 static CPLString BuildURL(const CPLString& osEndpoint,
81 const CPLString& osBucket,
82 const CPLString& osObjectKey,
83 bool bUseHTTPS, bool bUseVirtualHosting);
84
85 struct curl_slist* GetCurlHeaders(
86 const CPLString& osVerb,
87 const struct curl_slist* psExistingHeaders,
88 const void *pabyDataContent = nullptr,
89 size_t nBytesContent = 0 ) const override;
90
91 bool CanRestartOnError(const char*, const char* pszHeaders,
92 bool bSetError,
93 bool* pbUpdateMap = nullptr) override;
94
95 const CPLString& GetURL() const override { return m_osURL; }
96 const CPLString& GetBucket() const { return m_osBucket; }
97 const CPLString& GetObjectKey() const { return m_osObjectKey; }
98 const CPLString& GetEndpoint()const { return m_osEndpoint; }
99 bool GetVirtualHosting() const { return m_bUseVirtualHosting; }
100 void SetEndpoint(const CPLString &osStr);
101 void SetVirtualHosting(bool b);
102
103 CPLString GetSignedURL(CSLConstList papszOptions);
104 };
105
106 class VSIOSSUpdateParams
107 {
108 public:
109 CPLString m_osEndpoint{};
110
111 VSIOSSUpdateParams() = default;
112
113 explicit VSIOSSUpdateParams(const VSIOSSHandleHelper* poHelper) :
114 m_osEndpoint(poHelper->GetEndpoint()) {}
115
116 void UpdateHandlerHelper(VSIOSSHandleHelper* poHelper) {
117 poHelper->SetEndpoint(m_osEndpoint);
118 }
119 };
120
121 #endif /* HAVE_CURL */
122
123 #endif /* #ifndef DOXYGEN_SKIP */
124
125 #endif /* CPL_ALIBABA_OSS_INCLUDED_H */
CPLString
Convenient string class based on std::string.
Definition: cpl_string.h:329
cpl_string.h
Various convenience functions for working with strings and string lists.
CSLConstList
char ** CSLConstList
Type of a constant null-terminated list of nul terminated strings.
Definition: cpl_port.h:1186
CPL_DISALLOW_COPY_ASSIGN
#define CPL_DISALLOW_COPY_ASSIGN(ClassName)
Helper to remove the copy and assignment constructors so that the compiler will not generate the defa...
Definition: cpl_port.h:989

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