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/* Copyright (c) 2015-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "ioloop.h"
#include "array.h"
#include "str.h"
#include "utc-offset.h"
#include "mail-index.h"
#include "imap-date.h"
#include "imap-util.h"
#include "imap-quote.h"
#include "mail-search.h"
#include "mail-search-mime.h"
#include <time.h>
static bool
mail_search_subargs_to_imap(string_t *dest, const struct mail_search_arg *args,
const char *prefix, const char **error_r)
{
const struct mail_search_arg *arg;
if (prefix[0] == '\0')
str_append_c(dest, '(');
for (arg = args; arg != NULL; arg = arg->next) {
if (arg->next != NULL)
str_append(dest, prefix);
if (!mail_search_arg_to_imap(dest, arg, error_r))
return FALSE;
if (arg->next != NULL)
str_append_c(dest, ' ');
}
if (prefix[0] == '\0')
str_append_c(dest, ')');
return TRUE;
}
static bool
mail_search_arg_to_imap_date(string_t *dest, const struct mail_search_arg *arg)
{
time_t timestamp = arg->value.time;
const char *str;
if ((arg->value.search_flags &
MAIL_SEARCH_ARG_FLAG_UTC_TIMES) == 0) {
struct tm *tm = localtime(×tamp);
int tz_offset = utc_offset(tm, timestamp);
timestamp -= tz_offset * 60;
}
if (!imap_to_date(timestamp, &str))
return FALSE;
str_printfa(dest, " \"%s\"", str);
return TRUE;
}
static void
mail_search_arg_to_imap_flags(string_t *dest, enum mail_flags flags)
{
static const char *flag_names[] = {
"ANSWERED", "FLAGGED", "DELETED", "SEEN", "DRAFT", "RECENT"
};
i_assert(flags != 0);
if (!bits_is_power_of_two(flags))
str_append_c(dest, '(');
for (unsigned int i = 0; i < N_ELEMENTS(flag_names); i++) {
if ((flags & (1 << i)) != 0) {
str_append(dest, flag_names[i]);
str_append_c(dest, ' ');
}
}
str_truncate(dest, str_len(dest)-1);
if (!bits_is_power_of_two(flags))
str_append_c(dest, ')');
}
bool mail_search_arg_to_imap(string_t *dest, const struct mail_search_arg *arg,
const char **error_r)
{
unsigned int start_pos;
if (arg->match_not)
str_append(dest, "NOT ");
start_pos = str_len(dest);
switch (arg->type) {
case SEARCH_OR:
if (!mail_search_subargs_to_imap(dest, arg->value.subargs,
"OR ", error_r))
return FALSE;
break;
case SEARCH_SUB:
if (!mail_search_subargs_to_imap(dest, arg->value.subargs,
"", error_r))
return FALSE;
break;
case SEARCH_ALL:
str_append(dest, "ALL");
break;
case SEARCH_SEQSET:
imap_write_seq_range(dest, &arg->value.seqset);
break;
case SEARCH_UIDSET:
str_append(dest, "UID ");
imap_write_seq_range(dest, &arg->value.seqset);
break;
case SEARCH_FLAGS:
mail_search_arg_to_imap_flags(dest, arg->value.flags);
break;
case SEARCH_KEYWORDS: {
const struct mail_keywords *kw = arg->initialized.keywords;
const ARRAY_TYPE(keywords) *names_arr;
const char *name;
unsigned int i;
if (kw == NULL || kw->count == 0) {
/* uninitialized / invalid keyword */
str_printfa(dest, "KEYWORD %s", arg->value.str);
break;
}
names_arr = mail_index_get_keywords(kw->index);
if (kw->count > 1)
str_append_c(dest, '(');
for (i = 0; i < kw->count; i++) {
name = array_idx_elem(names_arr, kw->idx[i]);
if (i > 0)
str_append_c(dest, ' ');
str_printfa(dest, "KEYWORD %s", name);
}
if (kw->count > 1)
str_append_c(dest, ')');
break;
}
case SEARCH_BEFORE:
switch (arg->value.date_type) {
case MAIL_SEARCH_DATE_TYPE_SENT:
str_append(dest, "SENTBEFORE");
break;
case MAIL_SEARCH_DATE_TYPE_RECEIVED:
str_append(dest, "BEFORE");
break;
case MAIL_SEARCH_DATE_TYPE_SAVED:
str_append(dest, "SAVEDBEFORE");
break;
}
if (mail_search_arg_to_imap_date(dest, arg))
;
else if (arg->value.date_type != MAIL_SEARCH_DATE_TYPE_RECEIVED ||
arg->value.time > ioloop_time) {
*error_r = t_strdup_printf(
"SEARCH_BEFORE can't be written as IMAP for timestamp %ld (type=%d, utc_times=%d)",
(long)arg->value.time, arg->value.date_type,
(arg->value.search_flags & MAIL_SEARCH_ARG_FLAG_UTC_TIMES) != 0);
return FALSE;
} else {
str_truncate(dest, start_pos);
str_printfa(dest, "OLDER %u",
(unsigned int)(ioloop_time - arg->value.time + 1));
}
break;
case SEARCH_ON:
switch (arg->value.date_type) {
case MAIL_SEARCH_DATE_TYPE_SENT:
str_append(dest, "SENTON");
break;
case MAIL_SEARCH_DATE_TYPE_RECEIVED:
str_append(dest, "ON");
break;
case MAIL_SEARCH_DATE_TYPE_SAVED:
str_append(dest, "SAVEDON");
break;
}
if (!mail_search_arg_to_imap_date(dest, arg)) {
*error_r = t_strdup_printf(
"SEARCH_ON can't be written as IMAP for timestamp %ld (type=%d, utc_times=%d)",
(long)arg->value.time, arg->value.date_type,
(arg->value.search_flags & MAIL_SEARCH_ARG_FLAG_UTC_TIMES) != 0);
return FALSE;
}
break;
case SEARCH_SINCE:
switch (arg->value.date_type) {
case MAIL_SEARCH_DATE_TYPE_SENT:
str_append(dest, "SENTSINCE");
break;
case MAIL_SEARCH_DATE_TYPE_RECEIVED:
str_append(dest, "SINCE");
break;
case MAIL_SEARCH_DATE_TYPE_SAVED:
str_append(dest, "SAVEDSINCE");
break;
}
if (mail_search_arg_to_imap_date(dest, arg))
;
else if (arg->value.date_type != MAIL_SEARCH_DATE_TYPE_RECEIVED ||
arg->value.time >= ioloop_time) {
*error_r = t_strdup_printf(
"SEARCH_SINCE can't be written as IMAP for timestamp %ld (type=%d, utc_times=%d)",
(long)arg->value.time, arg->value.date_type,
(arg->value.search_flags & MAIL_SEARCH_ARG_FLAG_UTC_TIMES) != 0);
return FALSE;
} else {
str_truncate(dest, start_pos);
str_printfa(dest, "YOUNGER %u",
(unsigned int)(ioloop_time - arg->value.time));
}
break;
case SEARCH_SMALLER:
str_printfa(dest, "SMALLER %"PRIuUOFF_T, arg->value.size);
break;
case SEARCH_LARGER:
str_printfa(dest, "LARGER %"PRIuUOFF_T, arg->value.size);
break;
case SEARCH_HEADER:
case SEARCH_HEADER_ADDRESS:
case SEARCH_HEADER_COMPRESS_LWSP:
if (strcasecmp(arg->hdr_field_name, "From") == 0 ||
strcasecmp(arg->hdr_field_name, "To") == 0 ||
strcasecmp(arg->hdr_field_name, "Cc") == 0 ||
strcasecmp(arg->hdr_field_name, "Bcc") == 0 ||
strcasecmp(arg->hdr_field_name, "Subject") == 0)
str_append(dest, t_str_ucase(arg->hdr_field_name));
else {
str_append(dest, "HEADER ");
imap_append_astring(dest, arg->hdr_field_name);
}
str_append_c(dest, ' ');
imap_append_astring(dest, arg->value.str);
break;
case SEARCH_BODY:
str_append(dest, "BODY ");
imap_append_astring(dest, arg->value.str);
break;
case SEARCH_TEXT:
str_append(dest, "TEXT ");
imap_append_astring(dest, arg->value.str);
break;
/* extensions */
case SEARCH_MODSEQ: {
bool extended_output = FALSE;
str_append(dest, "MODSEQ ");
if (arg->value.str != NULL) {
str_printfa(dest, "/flags/%s", arg->value.str);
extended_output = TRUE;
} else if (arg->value.flags != 0) {
str_append(dest, "/flags/");
imap_write_flags(dest, arg->value.flags, NULL);
extended_output = TRUE;
}
if (extended_output) {
str_append_c(dest, ' ');
switch (arg->value.modseq->type) {
case MAIL_SEARCH_MODSEQ_TYPE_ANY:
str_append(dest, "all");
break;
case MAIL_SEARCH_MODSEQ_TYPE_PRIVATE:
str_append(dest, "priv");
break;
case MAIL_SEARCH_MODSEQ_TYPE_SHARED:
str_append(dest, "shared");
break;
}
str_append_c(dest, ' ');
}
str_printfa(dest, "%"PRIu64, arg->value.modseq->modseq);
break;
}
case SEARCH_SAVEDATESUPPORTED:
str_append(dest, "SAVEDATESUPPORTED");
break;
case SEARCH_INTHREAD:
str_append(dest, "INTHREAD ");
imap_append_astring(dest, mail_thread_type_to_str(arg->value.thread_type));
str_append_c(dest, ' ');
if (!mail_search_subargs_to_imap(dest, arg->value.subargs,
"", error_r))
return FALSE;
break;
case SEARCH_GUID:
str_append(dest, "X-GUID ");
imap_append_astring(dest, arg->value.str);
break;
case SEARCH_MAILBOX:
*error_r = "SEARCH_MAILBOX can't be written as IMAP";
return FALSE;
case SEARCH_MAILBOX_GUID:
*error_r = "SEARCH_MAILBOX_GUID can't be written as IMAP";
return FALSE;
case SEARCH_MAILBOX_GLOB:
str_append(dest, "X-MAILBOX ");
imap_append_astring(dest, arg->value.str);
break;
case SEARCH_REAL_UID:
str_append(dest, "X-REAL-UID ");
imap_write_seq_range(dest, &arg->value.seqset);
break;
case SEARCH_MIMEPART:
str_append(dest, "MIMEPART ");
if (!mail_search_mime_part_to_imap(dest,
arg->value.mime_part, error_r))
return FALSE;
break;
case SEARCH_NIL:
str_append(dest, "NIL ");
break;
}
return TRUE;
}
bool mail_search_args_to_imap(string_t *dest, const struct mail_search_arg *args,
const char **error_r)
{
const struct mail_search_arg *arg;
for (arg = args; arg != NULL; arg = arg->next) {
if (!mail_search_arg_to_imap(dest, arg, error_r))
return FALSE;
if (arg->next != NULL)
str_append_c(dest, ' ');
}
return TRUE;
}
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