/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2018 Olaf Wintermann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RESOURCE_H
#define RESOURCE_H
#include "webdav.h"
#include "crypto.h"
#include <cx/string.h>
#include <cx/hash_key.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct DavResourceData DavResourceData;
struct DavResourceData {
CxMap *properties;
CxList *set;
CxList *remove;
CxList *crypto_set;
CxList *crypto_remove;
/*
* properties encapsulated in a crypto-prop property or NULL
*/
CxMap *crypto_properties;
/*
* char* or stream
*/
void *content;
/*
* if NULL, content is a char*
*/
dav_read_func read;
/*
* curl seek func
*/
dav_seek_func seek;
/*
* content length
*/
size_t length;
/*
* sha256 content hash
*/
char hash[32];
};
/*
* read wrapper with integrated hashing
*/
typedef struct {
DAV_SHA_CTX *sha;
void *stream;
dav_read_func read;
dav_seek_func seek;
int error;
} HashStream;
struct DavInputStream {
DavResource *res;
CURLM *m;
CURL *c;
AESDecrypter *dec;
char *buffer;
size_t alloc;
size_t size;
size_t pos;
int eof;
};
struct DavOutputStream {
DavResource *res;
CURLM *m;
CURL *c;
AESEncrypter *enc;
HashStream *hstr;
const char *buffer;
size_t size;
size_t pos;
int eof;
};
DavResource* dav_resource_new_full(DavSession *sn, const char *parent_path, const char *name, char *href);
void resource_free_properties(DavSession *sn, CxMap *properties);
void resource_set_href(DavResource *res, cxstring href);
void resource_set_info(DavResource *res, const char *href_str);
DavResourceData* resource_data_new(DavSession *sn);
void resource_add_property(DavResource *res, const char *ns, const char *name, xmlNode *val);
void resource_set_crypto_properties(DavResource *res, CxMap *cprops);
DavXmlNode* resource_get_property(DavResource *res, const char *ns, const char *name);
DavXmlNode* resource_get_encrypted_property(DavResource *res, const char *ns, const char *name);
DavXmlNode* resource_get_property_k(DavResource *res, CxHashKey key);
DavXmlNode* resource_get_encrypted_property_k(DavResource *res, CxHashKey key);
void resource_add_child(DavResource *parent, DavResource *child);
void resource_add_ordered_child(DavResource *parent, DavResource *child, CxList *ordercr);
int resource_add_crypto_info(DavSession *sn, const char *href, const char *name, const char *hash);
cxmutstr dav_property_key_a(const CxAllocator *a, const char *ns, const char *name);
DavXmlNode* create_crypto_prop(DavSession *sn, CxMap *properties);
CxMap* parse_crypto_prop(DavSession *sn, DavKey *key, DavXmlNode *node);
CxMap* parse_crypto_prop_str(DavSession *sn, DavKey *key, const char *content);
#ifdef __cplusplus
}
#endif
#endif /* RESOURCE_H */