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/*-
* Copyright 2016 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SRC_LIBMIME_CONTENT_TYPE_H_
#define SRC_LIBMIME_CONTENT_TYPE_H_
#include "config.h"
#include "libutil/fstring.h"
#include "libutil/mem_pool.h"
#ifdef __cplusplus
extern "C" {
#endif
enum rspamd_content_type_flags {
RSPAMD_CONTENT_TYPE_VALID = 0,
RSPAMD_CONTENT_TYPE_BROKEN = 1 << 0,
RSPAMD_CONTENT_TYPE_MULTIPART = 1 << 1,
RSPAMD_CONTENT_TYPE_TEXT = 1 << 2,
RSPAMD_CONTENT_TYPE_MESSAGE = 1 << 3,
RSPAMD_CONTENT_TYPE_DSN = 1 << 4,
RSPAMD_CONTENT_TYPE_MISSING = 1 << 5,
RSPAMD_CONTENT_TYPE_ENCRYPTED = 1 << 6,
RSPAMD_CONTENT_TYPE_SMIME = 1 << 7,
};
enum rspamd_content_param_flags {
RSPAMD_CONTENT_PARAM_NORMAL = 0,
RSPAMD_CONTENT_PARAM_RFC2231 = (1 << 0),
RSPAMD_CONTENT_PARAM_PIECEWISE = (1 << 1),
RSPAMD_CONTENT_PARAM_BROKEN = (1 << 2),
};
struct rspamd_content_type_param {
rspamd_ftok_t name;
rspamd_ftok_t value;
unsigned int rfc2231_id;
enum rspamd_content_param_flags flags;
struct rspamd_content_type_param *prev, *next;
};
struct rspamd_content_type {
char *cpy;
rspamd_ftok_t type;
rspamd_ftok_t subtype;
rspamd_ftok_t charset;
rspamd_ftok_t boundary;
rspamd_ftok_t orig_boundary;
enum rspamd_content_type_flags flags;
GHashTable *attrs; /* Can be empty */
};
enum rspamd_content_disposition_type {
RSPAMD_CT_UNKNOWN = 0,
RSPAMD_CT_INLINE = 1,
RSPAMD_CT_ATTACHMENT = 2,
};
struct rspamd_content_disposition {
char *lc_data;
enum rspamd_content_disposition_type type;
rspamd_ftok_t filename;
GHashTable *attrs; /* Can be empty */
};
/**
* Adds new parameter to content type structure
* @param ct
* @param name_start (can be modified)
* @param name_end
* @param value_start (can be modified)
* @param value_end
*/
void rspamd_content_type_add_param(rspamd_mempool_t *pool,
struct rspamd_content_type *ct,
char *name_start, char *name_end,
char *value_start, char *value_end);
/**
* Parse content type from the header (performs copy + lowercase)
* @param in
* @param len
* @param pool
* @return
*/
struct rspamd_content_type *rspamd_content_type_parse(const char *in,
gsize len, rspamd_mempool_t *pool);
/**
* Adds new param for content disposition header
* @param pool
* @param cd
* @param name_start
* @param name_end
* @param value_start
* @param value_end
*/
void rspamd_content_disposition_add_param(rspamd_mempool_t *pool,
struct rspamd_content_disposition *cd,
const char *name_start, const char *name_end,
const char *value_start, const char *value_end);
/**
* Parse content-disposition header
* @param in
* @param len
* @param pool
* @return
*/
struct rspamd_content_disposition *rspamd_content_disposition_parse(const char *in,
gsize len,
rspamd_mempool_t *pool);
#ifdef __cplusplus
}
#endif
#endif /* SRC_LIBMIME_CONTENT_TYPE_H_ */
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