static gchar *
mbox_folder_get_filename (CamelFolder *folder,
const gchar *uid,
GError **error)
{
CamelLocalFolder *lf = (CamelLocalFolder *) folder;
CamelMboxMessageInfo *info;
goffset frompos;
gchar *filename = NULL;
d (printf ("Getting message %s\n", uid));
/* lock the folder first, burn if we can't, need write lock for summary check */
if (camel_local_folder_lock (lf, CAMEL_LOCK_WRITE, error) == -1)
return NULL;
/* check for new messages always */
if (camel_local_summary_check ((CamelLocalSummary *) folder->summary, lf->changes, NULL, error) == -1) {
camel_local_folder_unlock (lf);
return NULL;
}
/* get the message summary info */
info = (CamelMboxMessageInfo *) camel_folder_summary_get (folder->summary, uid);
if (info == NULL) {
set_cannot_get_message_ex (
error, CAMEL_FOLDER_ERROR_INVALID_UID,
uid, lf->folder_path, _("No such message"));
goto fail;
}
if (info->frompos == -1) {
camel_message_info_unref (info);
goto fail;
}
frompos = info->frompos;
camel_message_info_unref (info);
filename = g_strdup_printf ("%s%s!%" PRId64, lf->folder_path, G_DIR_SEPARATOR_S, (gint64) frompos);
fail:
/* and unlock now we're finished with it */
camel_local_folder_unlock (lf);
return filename;
}
static CamelMimeMessage *
maildir_folder_get_message_sync (CamelFolder *folder,
const gchar *uid,
GCancellable *cancellable,
GError **error)
{
CamelLocalFolder *lf = (CamelLocalFolder *)folder;
CamelStream *message_stream = NULL;
CamelMimeMessage *message = NULL;
gchar *name = NULL;
d(printf("getting message: %s\n", uid));
if (camel_local_folder_lock (lf, CAMEL_LOCK_WRITE, error) == -1)
return NULL;
name = maildir_folder_get_filename (folder, uid, error);
if (!name)
goto fail;
message_stream = camel_stream_fs_new_with_name (
name, O_RDONLY, 0, error);
if (message_stream == NULL) {
g_prefix_error (
error, _("Cannot get message %s from folder %s: "),
uid, lf->folder_path);
goto fail;
}
message = camel_mime_message_new ();
if (!camel_data_wrapper_construct_from_stream_sync (
(CamelDataWrapper *)message,
message_stream, cancellable, error)) {
g_prefix_error (
error, _("Cannot get message %s from folder %s: "),
uid, lf->folder_path);
g_object_unref (message);
message = NULL;
}
g_object_unref (message_stream);
fail:
g_free (name);
camel_local_folder_unlock (lf);
if (lf && camel_folder_change_info_changed (lf->changes)) {
camel_folder_changed (folder, lf->changes);
camel_folder_change_info_clear (lf->changes);
}
return message;
}
static gboolean
maildir_folder_append_message_sync (CamelFolder *folder,
CamelMimeMessage *message,
CamelMessageInfo *info,
gchar **appended_uid,
GCancellable *cancellable,
GError **error)
{
CamelLocalFolder *lf = (CamelLocalFolder *)folder;
CamelStream *output_stream;
CamelMessageInfo *mi;
CamelMaildirMessageInfo *mdi;
gchar *name, *dest = NULL;
gboolean success = TRUE;
d(printf("Appending message\n"));
/* If we can't lock, don't do anything */
if (camel_local_folder_lock (lf, CAMEL_LOCK_WRITE, error) == -1)
return FALSE;
/* add it to the summary/assign the uid, etc */
mi = camel_local_summary_add (
CAMEL_LOCAL_SUMMARY (folder->summary),
message, info, lf->changes, error);
if (mi == NULL)
goto check_changed;
if ((camel_message_info_flags (mi) & CAMEL_MESSAGE_ATTACHMENTS) && !camel_mime_message_has_attachment (message))
camel_message_info_set_flags (mi, CAMEL_MESSAGE_ATTACHMENTS, 0);
mdi = (CamelMaildirMessageInfo *)mi;
d(printf("Appending message: uid is %s filename is %s\n", camel_message_info_uid(mi), mdi->filename));
/* write it out to tmp, use the uid we got from the summary */
name = g_strdup_printf ("%s/tmp/%s", lf->folder_path, camel_message_info_uid(mi));
output_stream = camel_stream_fs_new_with_name (
name, O_WRONLY|O_CREAT, 0600, error);
if (output_stream == NULL)
goto fail_write;
if (camel_data_wrapper_write_to_stream_sync (
(CamelDataWrapper *)message, output_stream, cancellable, error) == -1
|| camel_stream_close (output_stream, cancellable, error) == -1)
goto fail_write;
/* now move from tmp to cur (bypass new, does it matter?) */
dest = g_strdup_printf("%s/cur/%s", lf->folder_path, camel_maildir_info_filename (mdi));
if (g_rename (name, dest) == -1) {
g_set_error (
error, G_IO_ERROR,
g_io_error_from_errno (errno),
"%s", g_strerror (errno));
goto fail_write;
}
g_free (dest);
g_free (name);
if (appended_uid)
*appended_uid = g_strdup(camel_message_info_uid(mi));
if (output_stream)
g_object_unref (output_stream);
goto check_changed;
fail_write:
/* remove the summary info so we are not out-of-sync with the mh folder */
camel_folder_summary_remove_uid (CAMEL_FOLDER_SUMMARY (folder->summary),
camel_message_info_uid (mi));
g_prefix_error (
error, _("Cannot append message to maildir folder: %s: "),
name);
if (output_stream) {
g_object_unref (CAMEL_OBJECT (output_stream));
unlink (name);
}
g_free (name);
g_free (dest);
success = FALSE;
check_changed:
camel_local_folder_unlock (lf);
if (lf && camel_folder_change_info_changed (lf->changes)) {
camel_folder_changed (folder, lf->changes);
camel_folder_change_info_clear (lf->changes);
}
return success;
}
static CamelMimeMessage *
mbox_folder_get_message_sync (CamelFolder *folder,
const gchar *uid,
GCancellable *cancellable,
GError **error)
{
CamelLocalFolder *lf = (CamelLocalFolder *) folder;
CamelMimeMessage *message = NULL;
CamelMboxMessageInfo *info;
CamelMimeParser *parser = NULL;
gint fd, retval;
gint retried = FALSE;
goffset frompos;
d (printf ("Getting message %s\n", uid));
/* lock the folder first, burn if we can't, need write lock for summary check */
if (camel_local_folder_lock (lf, CAMEL_LOCK_WRITE, error) == -1)
return NULL;
/* check for new messages always */
if (camel_local_summary_check ((CamelLocalSummary *) folder->summary, lf->changes, cancellable, error) == -1) {
camel_local_folder_unlock (lf);
return NULL;
}
retry:
/* get the message summary info */
info = (CamelMboxMessageInfo *) camel_folder_summary_get (folder->summary, uid);
if (info == NULL) {
set_cannot_get_message_ex (
error, CAMEL_FOLDER_ERROR_INVALID_UID,
uid, lf->folder_path, _("No such message"));
goto fail;
}
if (info->frompos == -1) {
camel_message_info_unref (info);
goto fail;
}
frompos = info->frompos;
camel_message_info_unref (info);
/* we use an fd instead of a normal stream here - the reason is subtle, camel_mime_part will cache
* the whole message in memory if the stream is non-seekable (which it is when built from a parser
* with no stream). This means we dont have to lock the mbox for the life of the message, but only
* while it is being created. */
fd = g_open (lf->folder_path, O_LARGEFILE | O_RDONLY | O_BINARY, 0);
if (fd == -1) {
set_cannot_get_message_ex (
error, CAMEL_ERROR_GENERIC,
uid, lf->folder_path, g_strerror (errno));
goto fail;
}
/* we use a parser to verify the message is correct, and in the correct position */
parser = camel_mime_parser_new ();
camel_mime_parser_init_with_fd (parser, fd);
camel_mime_parser_scan_from (parser, TRUE);
camel_mime_parser_seek (parser, frompos, SEEK_SET);
if (camel_mime_parser_step (parser, NULL, NULL) != CAMEL_MIME_PARSER_STATE_FROM
|| camel_mime_parser_tell_start_from (parser) != frompos) {
g_warning ("Summary doesn't match the folder contents! eek!\n"
" expecting offset %ld got %ld, state = %d", (glong) frompos,
(glong) camel_mime_parser_tell_start_from (parser),
camel_mime_parser_state (parser));
g_object_unref (parser);
parser = NULL;
if (!retried) {
retried = TRUE;
camel_local_summary_check_force ((CamelLocalSummary *) folder->summary);
retval = camel_local_summary_check ((CamelLocalSummary *) folder->summary, lf->changes, cancellable, error);
if (retval != -1)
goto retry;
}
set_cannot_get_message_ex (
error, CAMEL_FOLDER_ERROR_INVALID,
uid, lf->folder_path,
_("The folder appears to be irrecoverably corrupted."));
goto fail;
}
message = camel_mime_message_new ();
if (!camel_mime_part_construct_from_parser_sync (
(CamelMimePart *) message, parser, cancellable, error)) {
g_prefix_error (
error, _("Cannot get message %s from folder %s: "),
uid, lf->folder_path);
g_object_unref (message);
message = NULL;
goto fail;
}
camel_medium_remove_header ((CamelMedium *) message, "X-Evolution");
fail:
/* and unlock now we're finished with it */
camel_local_folder_unlock (lf);
if (parser)
g_object_unref (parser);
/* use the opportunity to notify of changes (particularly if we had a rebuild) */
if (camel_folder_change_info_changed (lf->changes)) {
camel_folder_changed (folder, lf->changes);
camel_folder_change_info_clear (lf->changes);
}
return message;
}
static gboolean
mbox_folder_append_message_sync (CamelFolder *folder,
CamelMimeMessage *message,
CamelMessageInfo *info,
gchar **appended_uid,
GCancellable *cancellable,
GError **error)
{
CamelLocalFolder *lf = (CamelLocalFolder *) folder;
CamelStream *output_stream = NULL, *filter_stream = NULL;
CamelMimeFilter *filter_from;
CamelMboxSummary *mbs = (CamelMboxSummary *) folder->summary;
CamelMessageInfo *mi;
gchar *fromline = NULL;
struct stat st;
gint retval;
gboolean has_attachment;
#if 0
gchar *xev;
#endif
/* If we can't lock, dont do anything */
if (camel_local_folder_lock (lf, CAMEL_LOCK_WRITE, error) == -1)
return FALSE;
d (printf ("Appending message\n"));
/* first, check the summary is correct (updates folder_size too) */
retval = camel_local_summary_check ((CamelLocalSummary *) folder->summary, lf->changes, cancellable, error);
if (retval == -1)
goto fail;
/* add it to the summary/assign the uid, etc */
mi = camel_local_summary_add ((CamelLocalSummary *) folder->summary, message, info, lf->changes, error);
if (mi == NULL)
goto fail;
d (printf ("Appending message: uid is %s\n", camel_message_info_get_uid (mi)));
has_attachment = camel_mime_message_has_attachment (message);
if (((camel_message_info_get_flags (mi) & CAMEL_MESSAGE_ATTACHMENTS) && !has_attachment) ||
((camel_message_info_get_flags (mi) & CAMEL_MESSAGE_ATTACHMENTS) == 0 && has_attachment)) {
camel_message_info_set_flags (mi, CAMEL_MESSAGE_ATTACHMENTS, has_attachment ? CAMEL_MESSAGE_ATTACHMENTS : 0);
}
output_stream = camel_stream_fs_new_with_name (
lf->folder_path, O_WRONLY | O_APPEND |
O_LARGEFILE, 0666, error);
if (output_stream == NULL) {
g_prefix_error (
error, _("Cannot open mailbox: %s: "),
lf->folder_path);
goto fail;
}
/* and we need to set the frompos/XEV explicitly */
((CamelMboxMessageInfo *) mi)->frompos = mbs->folder_size;
#if 0
xev = camel_local_summary_encode_x_evolution ((CamelLocalSummary *) folder->summary, mi);
if (xev) {
/* the x-ev header should match the 'current' flags, no problem, so store as much */
camel_medium_set_header ((CamelMedium *) message, "X-Evolution", xev);
mi->flags &= ~ CAMEL_MESSAGE_FOLDER_NOXEV | CAMEL_MESSAGE_FOLDER_FLAGGED;
g_free (xev);
}
#endif
/* we must write this to the non-filtered stream ... */
fromline = camel_mime_message_build_mbox_from (message);
if (camel_stream_write (output_stream, fromline, strlen (fromline), cancellable, error) == -1)
goto fail_write;
/* and write the content to the filtering stream, that translates '\nFrom' into '\n>From' */
filter_stream = camel_stream_filter_new (output_stream);
filter_from = camel_mime_filter_from_new ();
camel_stream_filter_add ((CamelStreamFilter *) filter_stream, filter_from);
g_object_unref (filter_from);
if (camel_data_wrapper_write_to_stream_sync (
(CamelDataWrapper *) message, filter_stream, cancellable, error) == -1 ||
camel_stream_write (filter_stream, "\n", 1, cancellable, error) == -1 ||
camel_stream_flush (filter_stream, cancellable, error) == -1)
goto fail_write;
/* filter stream ref's the output stream itself, so we need to unref it too */
g_object_unref (filter_stream);
g_object_unref (output_stream);
g_free (fromline);
if (!((CamelMessageInfoBase *) mi)->preview && camel_folder_summary_get_need_preview (folder->summary)) {
if (camel_mime_message_build_preview ((CamelMimePart *) message, mi) && ((CamelMessageInfoBase *) mi)->preview)
camel_folder_summary_add_preview (folder->summary, mi);
}
/* now we 'fudge' the summary to tell it its uptodate, because its idea of uptodate has just changed */
/* the stat really shouldn't fail, we just wrote to it */
if (g_stat (lf->folder_path, &st) == 0) {
((CamelFolderSummary *) mbs)->time = st.st_mtime;
mbs->folder_size = st.st_size;
}
/* unlock as soon as we can */
camel_local_folder_unlock (lf);
if (camel_folder_change_info_changed (lf->changes)) {
camel_folder_changed (folder, lf->changes);
camel_folder_change_info_clear (lf->changes);
}
if (appended_uid)
*appended_uid = g_strdup(camel_message_info_get_uid(mi));
return TRUE;
fail_write:
g_prefix_error (
error, _("Cannot append message to mbox file: %s: "),
lf->folder_path);
if (output_stream) {
gint fd;
fd = camel_stream_fs_get_fd (CAMEL_STREAM_FS (output_stream));
if (fd != -1) {
/* reset the file to original size */
do {
retval = ftruncate (fd, mbs->folder_size);
} while (retval == -1 && errno == EINTR);
}
g_object_unref (output_stream);
}
if (filter_stream)
g_object_unref (filter_stream);
g_free (fromline);
/* remove the summary info so we are not out-of-sync with the mbox */
camel_folder_summary_remove (CAMEL_FOLDER_SUMMARY (mbs), mi);
/* and tell the summary it's up-to-date */
if (g_stat (lf->folder_path, &st) == 0) {
((CamelFolderSummary *) mbs)->time = st.st_mtime;
mbs->folder_size = st.st_size;
}
fail:
/* make sure we unlock the folder - before we start triggering events into appland */
camel_local_folder_unlock (lf);
/* cascade the changes through, anyway, if there are any outstanding */
if (camel_folder_change_info_changed (lf->changes)) {
camel_folder_changed (folder, lf->changes);
camel_folder_change_info_clear (lf->changes);
}
return FALSE;
}
static gboolean
mh_folder_append_message_sync (CamelFolder *folder,
CamelMimeMessage *message,
CamelMessageInfo *info,
gchar **appended_uid,
GCancellable *cancellable,
GError **error)
{
CamelLocalFolder *lf = (CamelLocalFolder *) folder;
CamelStream *output_stream;
CamelMessageInfo *mi;
gchar *name;
gboolean has_attachment;
/* FIXME: probably needs additional locking (although mh doesn't appear do do it) */
d(printf("Appending message\n"));
/* If we can't lock, don't do anything */
if (!lf || camel_local_folder_lock (lf, CAMEL_LOCK_WRITE, error) == -1)
return FALSE;
/* add it to the summary/assign the uid, etc */
mi = camel_local_summary_add ((CamelLocalSummary *) folder->summary, message, info, lf->changes, error);
if (mi == NULL)
goto check_changed;
has_attachment = camel_mime_message_has_attachment (message);
if (((camel_message_info_flags (mi) & CAMEL_MESSAGE_ATTACHMENTS) && !has_attachment) ||
((camel_message_info_flags (mi) & CAMEL_MESSAGE_ATTACHMENTS) == 0 && has_attachment)) {
camel_message_info_set_flags (mi, CAMEL_MESSAGE_ATTACHMENTS, has_attachment ? CAMEL_MESSAGE_ATTACHMENTS : 0);
}
d(printf("Appending message: uid is %s\n", camel_message_info_uid(mi)));
/* write it out, use the uid we got from the summary */
name = g_strdup_printf("%s/%s", lf->folder_path, camel_message_info_uid(mi));
output_stream = camel_stream_fs_new_with_name (
name, O_WRONLY | O_CREAT, 0600, error);
if (output_stream == NULL)
goto fail_write;
if (camel_data_wrapper_write_to_stream_sync (
(CamelDataWrapper *) message, output_stream, cancellable, error) == -1
|| camel_stream_close (output_stream, cancellable, error) == -1)
goto fail_write;
/* close this? */
g_object_unref (output_stream);
g_free (name);
if (appended_uid)
*appended_uid = g_strdup(camel_message_info_uid(mi));
goto check_changed;
fail_write:
/* remove the summary info so we are not out-of-sync with the mh folder */
camel_folder_summary_remove_uid (CAMEL_FOLDER_SUMMARY (folder->summary),
camel_message_info_uid (mi));
g_prefix_error (
error, _("Cannot append message to mh folder: %s: "), name);
if (output_stream) {
g_object_unref (output_stream);
unlink (name);
}
g_free (name);
check_changed:
camel_local_folder_unlock (lf);
if (camel_folder_change_info_changed (lf->changes)) {
camel_folder_changed (folder, lf->changes);
camel_folder_change_info_clear (lf->changes);
}
return TRUE;
}
static CamelMimeMessage *
mh_folder_get_message_sync (CamelFolder *folder,
const gchar *uid,
GCancellable *cancellable,
GError **error)
{
CamelLocalFolder *lf = (CamelLocalFolder *) folder;
CamelStream *message_stream = NULL;
CamelMimeMessage *message = NULL;
CamelMessageInfo *info;
gchar *name = NULL;
d(printf("getting message: %s\n", uid));
if (!lf || camel_local_folder_lock (lf, CAMEL_LOCK_WRITE, error) == -1)
return NULL;
/* get the message summary info */
if ((info = camel_folder_summary_get (folder->summary, uid)) == NULL) {
set_cannot_get_message_ex (
error, CAMEL_FOLDER_ERROR_INVALID_UID,
uid, lf->folder_path, _("No such message"));
goto fail;
}
/* we only need it to check the message exists */
camel_message_info_free (info);
name = g_strdup_printf("%s/%s", lf->folder_path, uid);
message_stream = camel_stream_fs_new_with_name (
name, O_RDONLY, 0, error);
if (message_stream == NULL) {
g_prefix_error (
error, _("Cannot get message %s from folder %s: "),
name, lf->folder_path);
goto fail;
}
message = camel_mime_message_new ();
if (!camel_data_wrapper_construct_from_stream_sync (
(CamelDataWrapper *) message,
message_stream, cancellable, error)) {
g_prefix_error (
error, _("Cannot get message %s from folder %s: "),
name, lf->folder_path);
g_object_unref (message);
message = NULL;
}
g_object_unref (message_stream);
fail:
g_free (name);
camel_local_folder_unlock (lf);
if (camel_folder_change_info_changed (lf->changes)) {
camel_folder_changed (folder, lf->changes);
camel_folder_change_info_clear (lf->changes);
}
return message;
}
