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/* jmap_util.h -- Helper routines for JMAP
*
* Copyright (c) 1994-2018 Carnegie Mellon University. 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.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef JMAP_UTIL_H
#define JMAP_UTIL_H
#include <jansson.h>
#include "hash.h"
#include "message.h"
#include "parseaddr.h"
#include "smtpclient.h"
#define JMAP_SUBMISSION_HDR "Content-Description"
#define jmap_wantprop(props, name) \
((props) ? (hash_lookup(name, props) != NULL) : 1)
#define jmap_readprop(root, name, mandatory, invalid, fmt, dst) \
jmap_readprop_full((root), NULL, (name), (mandatory), (invalid), (fmt), (dst))
extern int jmap_readprop_full(json_t *root, const char *prefix, const char *name,
int mandatory, json_t *invalid, const char *fmt,
void *dst);
/* Apply patch to a deep copy of val and return the result.
* Return NULL on error. If invalid is a JSON array, then
* the erroneous path in patch is appended as JSON string */
extern json_t* jmap_patchobject_apply(json_t *val, json_t *patch, json_t *invalid);
/* Create a patch-object that transforms src into dst. */
extern json_t *jmap_patchobject_create(json_t *src, json_t *dst);
/* Return non-zero src and its RFC 6901 encoding differ */
extern int jmap_pointer_needsencode(const char *src);
/* Encode src according to RFC 6901 */
extern char *jmap_pointer_encode(const char *src);
/* Decode src according to RFC 6901 */
extern char *jmap_pointer_decode(const char *src, size_t len);
/* Remove all properties in jobj that have no key in props */
extern void jmap_filterprops(json_t *jobj, hash_table *props);
extern void jmap_emailsubmission_envelope_to_smtp(smtp_envelope_t *smtpenv,
json_t *env);
extern json_t *jmap_fetch_snoozed(const char *mbox, uint32_t uid);
extern int jmap_email_keyword_is_valid(const char *keyword);
extern const char *jmap_keyword_to_imap(const char *keyword);
/* JMAP request parser */
struct jmap_parser {
struct buf buf;
strarray_t path;
json_t *invalid;
};
#define JMAP_PARSER_INITIALIZER { BUF_INITIALIZER, STRARRAY_INITIALIZER, json_array() }
extern void jmap_parser_fini(struct jmap_parser *parser);
extern void jmap_parser_push(struct jmap_parser *parser, const char *prop);
extern void jmap_parser_push_index(struct jmap_parser *parser,
const char *prop, size_t index, const char *name);
extern void jmap_parser_pop(struct jmap_parser *parser);
extern const char* jmap_parser_path(struct jmap_parser *parser, struct buf *buf);
extern void jmap_parser_invalid(struct jmap_parser *parser, const char *prop);
extern json_t *jmap_server_error(int r);
extern char *jmap_encode_base64_nopad(const char *data, size_t len);
extern char *jmap_decode_base64_nopad(const char *b64, size_t b64len);
/* Decode the text in data of datalen bytes to UTF-8.
*
* Attempts to detect the right character encoding if conversion to
* UTF-8 yields any invalid or replacement characters.
* UTF-8 input with replacement characters is considered valid input.
*
* Parameters:
* - charset indicates the presumed character encoding.
* - encoding must be one of the encodings defined in charset.h
* - data points to the encoded bytes
* - datalen indicates the byte length of data
* - confidence indicates the threshold for charset detection (0 to 1.0)
* - dst points to a buffer for the decoded output. The buffer is NOT
* reset to allow for consecutive decoding.
* - (optional) is_encoding_problem is set for invalid byte sequences
*
*/
extern void jmap_decode_to_utf8(const char *charset, int encoding,
const char *data, size_t datalen,
float confidence,
struct buf *buf,
int *is_encoding_problem);
extern const char *jmap_encode_rawdata_blobid(const char prefix,
const char *mboxid,
uint32_t uid,
const char *userid,
const char *subpart,
struct message_guid *guid,
struct buf *dst);
extern int jmap_decode_rawdata_blobid(const char *blobid,
char **mboxidptr,
uint32_t *uidptr,
char **useridptr,
char **subpartptr,
struct message_guid *guid);
enum header_form {
HEADER_FORM_UNKNOWN = 0, /* MUST be zero so we can cast to void* */
HEADER_FORM_RAW = 1 << 0,
HEADER_FORM_TEXT = 1 << 1,
HEADER_FORM_DATE = 1 << 2,
HEADER_FORM_URLS = 1 << 3,
HEADER_FORM_MESSAGEIDS = 1 << 4,
HEADER_FORM_ADDRESSES = 1 << 5,
HEADER_FORM_GROUPEDADDRESSES = 1 << 6
};
extern json_t *jmap_header_as_raw(const char *raw);
extern json_t *jmap_header_as_text(const char *raw);
extern json_t *jmap_header_as_date(const char *raw);
extern json_t *jmap_header_as_urls(const char *raw);
extern json_t *jmap_header_as_messageids(const char *raw);
extern json_t *jmap_header_as_addresses(const char *raw);
extern json_t *jmap_header_as_groupedaddresses(const char *raw);
extern json_t *jmap_emailaddresses_from_addr(struct address *addr,
enum header_form form);
#define JMAP_BLOBID_SIZE 42
extern void jmap_set_blobid(const struct message_guid *guid, char *buf);
#define JMAP_EMAILID_SIZE 26
extern void jmap_set_emailid(const struct message_guid *guid, char *buf);
#define JMAP_THREADID_SIZE 18
extern void jmap_set_threadid(conversation_id_t cid, char *buf);
#endif /* JMAP_UTIL_H */
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