1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2018 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef DAV_SESSION_H
30 #define DAV_SESSION_H
31
32 #include <cx/buffer.h>
33 #include "webdav.h"
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 // initial size of the session mempool
40 #define DAV_SESSION_MEMPOOL_SIZE 1024
41 // initial size of the path cache map
42 #define DAV_PATH_CACHE_SIZE 32
43
44 #define DAV_ENCRYPT_NAME(sn) \
45 (((sn)->flags & DAV_SESSION_ENCRYPT_NAME) == DAV_SESSION_ENCRYPT_NAME)
46
47 #define DAV_DECRYPT_NAME(sn) \
48 (((sn)->flags & DAV_SESSION_DECRYPT_NAME) == DAV_SESSION_DECRYPT_NAME)
49
50 #define DAV_ENCRYPT_CONTENT(sn) \
51 (((sn)->flags & DAV_SESSION_ENCRYPT_CONTENT) == DAV_SESSION_ENCRYPT_CONTENT)
52
53 #define DAV_DECRYPT_CONTENT(sn) \
54 (((sn)->flags & DAV_SESSION_DECRYPT_CONTENT) == DAV_SESSION_DECRYPT_CONTENT)
55
56 #define DAV_IS_ENCRYPTED(sn) \
57 (DAV_ENCRYPT_NAME(sn) || DAV_ENCRYPT_CONTENT(sn))
58
59 #define DAV_CRYPTO(sn) \
60 (DAV_ENCRYPT_NAME(sn) || DAV_DECRYPT_NAME(sn) || \
61 DAV_ENCRYPT_CONTENT(sn) || DAV_DECRYPT_CONTENT(sn))
62
63 #define DAV_ENCRYPT_PROPERTIES(sn) \
64 (((sn)->flags & DAV_SESSION_ENCRYPT_PROPERTIES) == DAV_SESSION_ENCRYPT_PROPERTIES)
65
66 #define DAV_DECRYPT_PROPERTIES(sn) \
67 (((sn)->flags & DAV_SESSION_DECRYPT_PROPERTIES) == DAV_SESSION_DECRYPT_PROPERTIES)
68
69 /*
70 typedef struct DavPathCacheElement {
71 char *name;
72 char *encrypted_name;
73 int exists;
74 } DavPathCacheElement;
75 */
76
77 typedef struct DavLock DavLock;
78 struct DavLock {
79 char *path;
80 char *token;
81 };
82
83 typedef struct DavLockManager {
84 CxMap *resource_locks;
85 CxList *collection_locks;
86 } DavLockManager;
87
88 CURLcode dav_session_curl_perform(DavSession *sn, long *status);
89 CURLcode dav_session_curl_perform_buf(DavSession *sn, CxBuffer *request, CxBuffer *response, long *status);
90
91 int dav_session_get_progress(void *clientp, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow);
92 int dav_session_put_progress(void *clientp, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow);
93
94 void dav_session_set_error(DavSession *sn, CURLcode c, int status);
95 void dav_session_set_errstr(DavSession *sn, const char *str);
96
97 char* dav_session_create_plain_href(DavSession *sn, const char *path);
98
99 char* dav_session_get_href(DavSession *sn, const char *path);
100
101 DavResource* dav_find_child(DavSession *sn, DavResource *res, CxBuffer *rqbuf, const char *name);
102
103 void dav_session_cache_path(DavSession *sn, cxstring path, cxstring href);
104
105
106 DavLock* dav_create_lock(DavSession *sn, const char *token, char *timeout);
107 void dav_destroy_lock(DavSession *sn, DavLock *lock);
108
109 int dav_add_resource_lock(DavSession *sn, const char *path, DavLock *lock);
110 int dav_add_collection_lock(DavSession *sn, const char *path, DavLock *lock);
111
112 DavLock* dav_get_lock(DavSession *sn, const char *path);
113 void dav_remove_lock(DavSession *sn, const char *path, DavLock *lock);
114
115 #ifdef __cplusplus
116 }
117 #endif
118
119 #endif /* DAV_SESSION_H */
120
121