1 /*
2  * Copyright (C) by Roeland Jago Douma <roeland@famdouma.nl>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12  * for more details.
13  */
14 
15 
16 #ifndef CAPABILITIES_H
17 #define CAPABILITIES_H
18 
19 #include "owncloudlib.h"
20 
21 #include <QVariantMap>
22 #include <QStringList>
23 #include <QVersionNumber>
24 
25 namespace OCC {
26 
27 
28 struct TusSupport
29 {
30     /**
31     <tus_support>
32     <version>1.0.0</version>
33     <resumable>1.0.0</resumable>
34     <extension>creation,creation-with-upload</extension>
35     <max_chunk_size>0</max_chunk_size>
36     <http_method_override/>
37     </tus_support>
38     */
39     TusSupport(const QVariantMap &tus_support);
40     QVersionNumber version;
41     QVersionNumber resumable;
42     QStringList extensions;
43     quint64 max_chunk_size;
44     QString http_method_override;
45 
46     bool isValid() const;
47 };
48 
49 /**
50  * @brief The Capabilities class represents the capabilities of an ownCloud
51  * server
52  * @ingroup libsync
53  */
54 class OWNCLOUDSYNC_EXPORT Capabilities
55 {
56 public:
57     Capabilities(const QVariantMap &capabilities);
58 
59     bool shareAPI() const;
60     bool sharePublicLink() const;
61     bool sharePublicLinkAllowUpload() const;
62     bool sharePublicLinkSupportsUploadOnly() const;
63 
64     /** Whether read-only link shares require a password.
65      *
66      * Returns sharePublicLinkEnforcePassword() if the fine-grained
67      * permission isn't available.
68      */
69     bool sharePublicLinkEnforcePasswordForReadOnly() const;
70     bool sharePublicLinkEnforcePasswordForReadWrite() const;
71     bool sharePublicLinkEnforcePasswordForUploadOnly() const;
72 
73     bool sharePublicLinkDefaultExpire() const;
74     int sharePublicLinkDefaultExpireDateDays() const;
75     bool sharePublicLinkEnforceExpireDate() const;
76     bool sharePublicLinkMultiple() const;
77     bool shareResharing() const;
78 
79     // TODO: return SharePermission
80     int defaultPermissions() const;
81 
82     bool chunkingNg() const;
83 
84     /// Wheter to use chunking
85     bool bigfilechunkingEnabled() const;
86 
87     const TusSupport &tusSupport() const;
88 
89     /// disable parallel upload in chunking
90     bool chunkingParallelUploadDisabled() const;
91 
92     /// Whether the "privatelink" DAV property is available
93     bool privateLinkPropertyAvailable() const;
94 
95     /// Whether the "privatelink" DAV property supports the 'details' param
96     bool privateLinkDetailsParamAvailable() const;
97 
98     /// returns true if the capabilities report notifications
99     bool notificationsAvailable() const;
100 
101     /// returns true if the capabilities are loaded already.
102     bool isValid() const;
103 
104     /**
105      * Returns the checksum types the server understands.
106      *
107      * When the client uses one of these checksumming algorithms in
108      * the OC-Checksum header of a file upload, the server will use
109      * it to validate that data was transmitted correctly.
110      *
111      * Path: checksums/supportedTypes
112      * Default: []
113      * Possible entries: "Adler32", "MD5", "SHA1"
114      */
115     QList<QByteArray> supportedChecksumTypes() const;
116 
117     /**
118      * The checksum algorithm that the server recommends for file uploads.
119      * This is just a preference, any algorithm listed in supportedTypes may be used.
120      *
121      * Path: checksums/preferredUploadType
122      * Default: empty, meaning "no preference"
123      * Possible values: empty or any of the supportedTypes
124      */
125     QByteArray preferredUploadChecksumType() const;
126 
127     /**
128      * Helper that returns the preferredUploadChecksumType() if set, or one
129      * of the supportedChecksumTypes() if it isn't. May return an empty
130      * QByteArray if no checksum types are supported.
131      */
132     QByteArray uploadChecksumType() const;
133 
134     /**
135      * List of HTTP error codes should be guaranteed to eventually reset
136      * failing chunked uploads.
137      *
138      * The resetting works by tracking UploadInfo::errorCount.
139      *
140      * Note that other error codes than the ones listed here may reset the
141      * upload as well.
142      *
143      * Motivation: See #5344. They should always be reset on 412 (possibly
144      * checksum error), but broken servers may also require resets on
145      * unusual error codes such as 503.
146      *
147      * Path: dav/httpErrorCodesThatResetFailingChunkedUploads
148      * Default: []
149      * Example: [503, 500]
150      */
151     QList<int> httpErrorCodesThatResetFailingChunkedUploads() const;
152 
153     /**
154      * Regex that, if contained in a filename, will result in it not being uploaded.
155      *
156      * For servers older than 8.1.0 it defaults to [\\:?*"<>|]
157      * For servers >= that version, it defaults to the empty regex (the server
158      * will indicate invalid characters through an upload error)
159      *
160      * Note that it just needs to be contained. The regex [ab] is contained in "car".
161      */
162     QString invalidFilenameRegex() const;
163 
164     /**
165      * return the list of filename that should not be uploaded
166      */
167     QStringList blacklistedFiles() const;
168 
169     /**
170      * Whether conflict files should remain local (default) or should be uploaded.
171      */
172     bool uploadConflictFiles() const;
173 
174     /** Is versioning available? */
175     bool versioningEnabled() const;
176 
177 private:
178     QVariantMap _capabilities;
179     QVariantMap _fileSharingCapabilities;
180     QVariantMap _fileSharingPublicCapabilities;
181     TusSupport _tusSupport;
182 };
183 }
184 
185 #endif //CAPABILITIES_H
186