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/* Copyright (c) 2002-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "array.h"
#include "str.h"
#include "strescape.h"
#include "unichar.h"
#include "mail-types.h"
#include "imap-parser.h"
#include "imap-util.h"
void imap_write_flags(string_t *dest, enum mail_flags flags,
const char *const *keywords)
{
size_t size;
size = str_len(dest);
if ((flags & MAIL_ANSWERED) != 0)
str_append(dest, "\\Answered ");
if ((flags & MAIL_FLAGGED) != 0)
str_append(dest, "\\Flagged ");
if ((flags & MAIL_DELETED) != 0)
str_append(dest, "\\Deleted ");
if ((flags & MAIL_SEEN) != 0)
str_append(dest, "\\Seen ");
if ((flags & MAIL_DRAFT) != 0)
str_append(dest, "\\Draft ");
if ((flags & MAIL_RECENT) != 0)
str_append(dest, "\\Recent ");
if (keywords != NULL) {
/* we have keywords too */
while (*keywords != NULL) {
str_append(dest, *keywords);
str_append_c(dest, ' ');
keywords++;
}
}
if (str_len(dest) != size)
str_truncate(dest, str_len(dest)-1);
}
enum mail_flags imap_parse_system_flag(const char *str)
{
if (strcasecmp(str, "\\Answered") == 0)
return MAIL_ANSWERED;
else if (strcasecmp(str, "\\Flagged") == 0)
return MAIL_FLAGGED;
else if (strcasecmp(str, "\\Deleted") == 0)
return MAIL_DELETED;
else if (strcasecmp(str, "\\Seen") == 0)
return MAIL_SEEN;
else if (strcasecmp(str, "\\Draft") == 0)
return MAIL_DRAFT;
else if (strcasecmp(str, "\\Recent") == 0)
return MAIL_RECENT;
else
return 0;
}
void imap_write_seq_range(string_t *dest, const ARRAY_TYPE(seq_range) *array)
{
const struct seq_range *range;
unsigned int i, count;
range = array_get(array, &count);
for (i = 0; i < count; i++) {
if (i > 0)
str_append_c(dest, ',');
str_printfa(dest, "%u", range[i].seq1);
if (range[i].seq1 != range[i].seq2)
str_printfa(dest, ":%u", range[i].seq2);
}
}
void imap_write_arg(string_t *dest, const struct imap_arg *arg)
{
switch (arg->type) {
case IMAP_ARG_NIL:
str_append(dest, "NIL");
break;
case IMAP_ARG_ATOM:
str_append(dest, imap_arg_as_astring(arg));
break;
case IMAP_ARG_STRING: {
const char *strarg = imap_arg_as_astring(arg);
str_append_c(dest, '"');
str_append_escaped(dest, strarg, strlen(strarg));
str_append_c(dest, '"');
break;
}
case IMAP_ARG_LITERAL: {
const char *strarg = imap_arg_as_astring(arg);
str_printfa(dest, "{%zu}\r\n",
strlen(strarg));
str_append(dest, strarg);
break;
}
case IMAP_ARG_LIST:
str_append_c(dest, '(');
imap_write_args(dest, imap_arg_as_list(arg));
str_append_c(dest, ')');
break;
case IMAP_ARG_LITERAL_SIZE:
case IMAP_ARG_LITERAL_SIZE_NONSYNC:
str_printfa(dest, "<%"PRIuUOFF_T" byte literal>",
imap_arg_as_literal_size(arg));
break;
case IMAP_ARG_EOL:
i_unreached();
}
}
void imap_write_args(string_t *dest, const struct imap_arg *args)
{
bool first = TRUE;
for (; !IMAP_ARG_IS_EOL(args); args++) {
if (first)
first = FALSE;
else
str_append_c(dest, ' ');
imap_write_arg(dest, args);
}
}
static void imap_human_args_fix_control_chars(char *str)
{
size_t i;
for (i = 0; str[i] != '\0'; i++) {
if (str[i] < 0x20 || str[i] == 0x7f)
str[i] = '?';
}
}
void imap_write_args_for_human(string_t *dest, const struct imap_arg *args)
{
bool first = TRUE;
for (; !IMAP_ARG_IS_EOL(args); args++) {
if (first)
first = FALSE;
else
str_append_c(dest, ' ');
switch (args->type) {
case IMAP_ARG_NIL:
str_append(dest, "NIL");
break;
case IMAP_ARG_ATOM:
/* atom has only printable us-ascii chars */
str_append(dest, imap_arg_as_astring(args));
break;
case IMAP_ARG_STRING:
case IMAP_ARG_LITERAL: {
const char *strarg = imap_arg_as_astring(args);
if (strpbrk(strarg, "\r\n") != NULL) {
str_printfa(dest, "<%zu byte multi-line literal>",
strlen(strarg));
break;
}
strarg = str_escape(strarg);
str_append_c(dest, '"');
size_t start_pos = str_len(dest);
/* append only valid UTF-8 chars */
if (uni_utf8_get_valid_data((const unsigned char *)strarg,
strlen(strarg), dest))
str_append(dest, strarg);
/* replace all control chars */
imap_human_args_fix_control_chars(
str_c_modifiable(dest) + start_pos);
str_append_c(dest, '"');
break;
}
case IMAP_ARG_LIST:
str_append_c(dest, '(');
imap_write_args_for_human(dest, imap_arg_as_list(args));
str_append_c(dest, ')');
break;
case IMAP_ARG_LITERAL_SIZE:
case IMAP_ARG_LITERAL_SIZE_NONSYNC:
str_printfa(dest, "<%"PRIuUOFF_T" byte literal>",
imap_arg_as_literal_size(args));
break;
case IMAP_ARG_EOL:
i_unreached();
}
}
}
const char *imap_args_to_str(const struct imap_arg *args)
{
string_t *str;
str = t_str_new(128);
imap_write_args(str, args);
return str_c(str);
}
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