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/* Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "array.h"
#include "str.h"
#include "mail-storage.h"
#include "mail-storage-service.h"
#include "mail-namespace.h"
#include "doveadm-mailbox-list-iter.h"
#include "doveadm-mail-iter.h"
#include "doveadm-mail.h"
struct import_cmd_context {
struct doveadm_mail_cmd_context ctx;
const char *src_location;
const char *src_username;
struct mail_user *src_user;
const char *dest_parent;
bool subscribe;
};
static const char *
convert_vname_separators(const char *vname, char src_sep, char dest_sep)
{
string_t *str = t_str_new(128);
for (; *vname != '\0'; vname++) {
if (*vname == src_sep)
str_append_c(str, dest_sep);
else if (*vname == dest_sep)
str_append_c(str, '_');
else
str_append_c(str, *vname);
}
return str_c(str);
}
static int
dest_mailbox_open_or_create(struct import_cmd_context *ctx,
struct mail_user *user,
const struct mailbox_info *info,
struct mailbox **box_r)
{
struct mail_namespace *ns;
struct mailbox *box;
enum mail_error error;
const char *name, *errstr;
if (*ctx->dest_parent != '\0') {
/* prefix destination mailbox name with given parent mailbox */
ns = mail_namespace_find(user->namespaces, ctx->dest_parent);
} else {
ns = mail_namespace_find(user->namespaces, info->vname);
}
name = convert_vname_separators(info->vname,
mail_namespace_get_sep(info->ns),
mail_namespace_get_sep(ns));
if (*ctx->dest_parent != '\0') {
name = t_strdup_printf("%s%c%s", ctx->dest_parent,
mail_namespace_get_sep(ns), name);
}
box = mailbox_alloc(ns->list, name, MAILBOX_FLAG_SAVEONLY);
if (mailbox_create(box, NULL, FALSE) < 0) {
errstr = mailbox_get_last_internal_error(box, &error);
if (error != MAIL_ERROR_EXISTS) {
i_error("Couldn't create mailbox %s: %s", name, errstr);
doveadm_mail_failed_mailbox(&ctx->ctx, box);
mailbox_free(&box);
return -1;
}
}
if (ctx->subscribe) {
if (mailbox_set_subscribed(box, TRUE) < 0) {
i_error("Couldn't subscribe to mailbox %s: %s",
name, mailbox_get_last_internal_error(box, NULL));
}
}
if (mailbox_sync(box, MAILBOX_SYNC_FLAG_FULL_READ) < 0) {
i_error("Syncing mailbox %s failed: %s", name,
mailbox_get_last_internal_error(box, NULL));
doveadm_mail_failed_mailbox(&ctx->ctx, box);
mailbox_free(&box);
return -1;
}
*box_r = box;
return 0;
}
static int
cmd_import_box_contents(struct doveadm_mail_cmd_context *ctx,
struct doveadm_mail_iter *iter, struct mail *src_mail,
struct mailbox *dest_box)
{
struct mail_save_context *save_ctx;
struct mailbox_transaction_context *dest_trans;
const char *mailbox = mailbox_get_vname(dest_box);
int ret = 0;
dest_trans = mailbox_transaction_begin(dest_box,
MAILBOX_TRANSACTION_FLAG_EXTERNAL |
ctx->transaction_flags, __func__);
do {
if (doveadm_debug) {
i_debug("import: box=%s uid=%u",
mailbox, src_mail->uid);
}
save_ctx = mailbox_save_alloc(dest_trans);
mailbox_save_copy_flags(save_ctx, src_mail);
if (mailbox_copy(&save_ctx, src_mail) < 0) {
i_error("Copying box=%s uid=%u failed: %s",
mailbox, src_mail->uid,
mailbox_get_last_internal_error(dest_box, NULL));
ret = -1;
}
} while (doveadm_mail_iter_next(iter, &src_mail));
if (mailbox_transaction_commit(&dest_trans) < 0) {
i_error("Committing copied mails to %s failed: %s", mailbox,
mailbox_get_last_internal_error(dest_box, NULL));
ret = -1;
}
return ret;
}
static int
cmd_import_box(struct import_cmd_context *ctx, struct mail_user *dest_user,
const struct mailbox_info *info,
struct mail_search_args *search_args)
{
struct doveadm_mail_iter *iter;
struct mailbox *box;
struct mail *mail;
int ret = 0;
if (doveadm_mail_iter_init(&ctx->ctx, info, search_args, 0, NULL,
DOVEADM_MAIL_ITER_FLAG_READONLY,
&iter) < 0)
return -1;
if (doveadm_mail_iter_next(iter, &mail)) {
/* at least one mail matches in this mailbox */
if (dest_mailbox_open_or_create(ctx, dest_user, info, &box) < 0)
ret = -1;
else {
if (cmd_import_box_contents(&ctx->ctx, iter, mail, box) < 0) {
doveadm_mail_failed_mailbox(&ctx->ctx, mail->box);
ret = -1;
}
mailbox_free(&box);
}
}
if (doveadm_mail_iter_deinit_sync(&iter) < 0)
ret = -1;
return ret;
}
static void cmd_import_init_source_user(struct import_cmd_context *ctx, struct mail_user *dest_user)
{
struct mail_storage_service_input input;
struct mail_storage_service_user *service_user;
struct mail_user *user;
const char *error;
/* create a user for accessing the source storage */
i_zero(&input);
input.module = "mail";
input.username = ctx->src_username != NULL ?
ctx->src_username :
dest_user->username;
mail_storage_service_io_deactivate_user(ctx->ctx.cur_service_user);
input.flags_override_add = MAIL_STORAGE_SERVICE_FLAG_NO_NAMESPACES |
MAIL_STORAGE_SERVICE_FLAG_NO_RESTRICT_ACCESS;
if (mail_storage_service_lookup_next(ctx->ctx.storage_service, &input,
&service_user, &user, &error) < 0)
i_fatal("Import user initialization failed: %s", error);
if (mail_namespaces_init_location(user, ctx->src_location, &error) < 0)
i_fatal("Import namespace initialization failed: %s", error);
ctx->src_user = user;
mail_storage_service_io_deactivate_user(service_user);
mail_storage_service_user_unref(&service_user);
mail_storage_service_io_activate_user(ctx->ctx.cur_service_user);
}
static int
cmd_import_run(struct doveadm_mail_cmd_context *_ctx, struct mail_user *user)
{
struct import_cmd_context *ctx = (struct import_cmd_context *)_ctx;
const enum mailbox_list_iter_flags iter_flags =
MAILBOX_LIST_ITER_NO_AUTO_BOXES |
MAILBOX_LIST_ITER_RETURN_NO_FLAGS;
struct doveadm_mailbox_list_iter *iter;
const struct mailbox_info *info;
int ret = 0;
if (ctx->src_user == NULL)
cmd_import_init_source_user(ctx, user);
iter = doveadm_mailbox_list_iter_init(_ctx, ctx->src_user,
_ctx->search_args, iter_flags);
while ((info = doveadm_mailbox_list_iter_next(iter)) != NULL) T_BEGIN {
if (cmd_import_box(ctx, user, info, _ctx->search_args) < 0)
ret = -1;
} T_END;
if (doveadm_mailbox_list_iter_deinit(&iter) < 0)
ret = -1;
return ret;
}
static void cmd_import_init(struct doveadm_mail_cmd_context *_ctx,
const char *const args[])
{
struct import_cmd_context *ctx = (struct import_cmd_context *)_ctx;
if (str_array_length(args) < 3)
doveadm_mail_help_name("import");
ctx->src_location = p_strdup(_ctx->pool, args[0]);
ctx->dest_parent = p_strdup(_ctx->pool, args[1]);
ctx->ctx.search_args = doveadm_mail_build_search_args(args+2);
}
static void cmd_import_deinit(struct doveadm_mail_cmd_context *_ctx)
{
struct import_cmd_context *ctx = (struct import_cmd_context *)_ctx;
if (ctx->src_user != NULL)
mail_user_deinit(&ctx->src_user);
}
static bool cmd_import_parse_arg(struct doveadm_mail_cmd_context *_ctx, int c)
{
struct import_cmd_context *ctx = (struct import_cmd_context *)_ctx;
switch (c) {
case 'U':
ctx->src_username = p_strdup(_ctx->pool, optarg);
break;
case 's':
ctx->subscribe = TRUE;
break;
default:
return FALSE;
}
return TRUE;
}
static struct doveadm_mail_cmd_context *cmd_import_alloc(void)
{
struct import_cmd_context *ctx;
ctx = doveadm_mail_cmd_alloc(struct import_cmd_context);
ctx->ctx.getopt_args = "s";
ctx->ctx.v.parse_arg = cmd_import_parse_arg;
ctx->ctx.v.init = cmd_import_init;
ctx->ctx.v.deinit = cmd_import_deinit;
ctx->ctx.v.run = cmd_import_run;
return &ctx->ctx;
}
struct doveadm_cmd_ver2 doveadm_cmd_import_ver2 = {
.name = "import",
.mail_cmd = cmd_import_alloc,
.usage = DOVEADM_CMD_MAIL_USAGE_PREFIX "[-U source-user] [-s] <source mail location> <dest parent mailbox> <search query>",
DOVEADM_CMD_PARAMS_START
DOVEADM_CMD_MAIL_COMMON
DOVEADM_CMD_PARAM('U', "source-user", CMD_PARAM_STR, 0)
DOVEADM_CMD_PARAM('s', "subscribe", CMD_PARAM_BOOL, 0)
DOVEADM_CMD_PARAM('\0', "source-location", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "dest-parent-mailbox", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAM('\0', "query", CMD_PARAM_ARRAY, CMD_PARAM_FLAG_POSITIONAL)
DOVEADM_CMD_PARAMS_END
};
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