path: root/mail/mail-config.c

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *   Jeffrey Stedfast <fejj@ximian.com>
 *   Radek Doulik <rodo@ximian.com>
 *   Jonathon Jongsma <jonathon.jongsma@collabora.co.uk>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 * Copyright (C) 2009 Intel Corporation
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gtk/gtk.h>
#include <glib/gstdio.h>

#include <libedataserver/e-data-server-util.h>
#include <e-util/e-util.h>
#include "e-util/e-account-utils.h"
#include "e-util/e-signature-utils.h"

#include <gconf/gconf-client.h>

#include "e-mail-local.h"
#include "e-mail-folder-utils.h"
#include "mail-config.h"
#include "mail-folder-cache.h"
#include "mail-tools.h"

typedef struct {
    GSList *labels;

    gboolean address_compress;
    gint address_count;

    GSList *jh_header;
    gboolean jh_check;
    gboolean book_lookup;
    gboolean book_lookup_local_only;
} MailConfig;

extern gint camel_header_param_encode_filenames_in_rfc_2047;

static MailConfig *config = NULL;

static void
gconf_outlook_filenames_changed (GConfClient *client,
                                 guint cnxn_id,
                                 GConfEntry *entry,
                                 gpointer user_data)
{
    const gchar *key;

    g_return_if_fail (client != NULL);

    key = "/apps/evolution/mail/composer/outlook_filenames";

    /* pass option to the camel */
    if (gconf_client_get_bool (client, key, NULL))
        camel_header_param_encode_filenames_in_rfc_2047 = 1;
    else
        camel_header_param_encode_filenames_in_rfc_2047 = 0;
}

static void
gconf_jh_headers_changed (GConfClient *client,
                          guint cnxn_id,
                          GConfEntry *entry,
                          EMailSession *session)
{
    GSList *node;
    GPtrArray *name, *value;

    g_slist_foreach (config->jh_header, (GFunc) g_free, NULL);
    g_slist_free (config->jh_header);

    config->jh_header = gconf_client_get_list (
        client, "/apps/evolution/mail/junk/custom_header",
        GCONF_VALUE_STRING, NULL);

    node = config->jh_header;
    name = g_ptr_array_new ();
    value = g_ptr_array_new ();
    while (node && node->data) {
        gchar **tok = g_strsplit (node->data, "=", 2);
        g_ptr_array_add (name, g_strdup (tok[0]));
        g_ptr_array_add (value, g_strdup (tok[1]));
        node = node->next;
        g_strfreev (tok);
    }
    camel_session_set_junk_headers (
        CAMEL_SESSION (session),
        (const gchar **) name->pdata,
        (const gchar **) value->pdata, name->len);

    g_ptr_array_foreach (name, (GFunc) g_free, NULL);
    g_ptr_array_foreach (value, (GFunc) g_free, NULL);
    g_ptr_array_free (name, TRUE);
    g_ptr_array_free (value, TRUE);
}

static void
gconf_jh_check_changed (GConfClient *client,
                        guint cnxn_id,
                        GConfEntry *entry,
                        EMailSession *session)
{
    config->jh_check = gconf_client_get_bool (
        client, "/apps/evolution/mail/junk/check_custom_header", NULL);
    if (!config->jh_check) {
        camel_session_set_junk_headers (
            CAMEL_SESSION (session), NULL, NULL, 0);
    } else {
        gconf_jh_headers_changed (client, 0, NULL, session);
    }
}

static void
gconf_bool_value_changed (GConfClient *client,
                          guint cnxn_id,
                          GConfEntry *entry,
                          gboolean *save_location)
{
    GError *error = NULL;

    *save_location = gconf_client_get_bool (client, entry->key, &error);
    if (error != NULL) {
        g_warning ("%s", error->message);
        g_error_free (error);
    }
}

static void
gconf_int_value_changed (GConfClient *client,
                         guint cnxn_id,
                         GConfEntry *entry,
                         gint *save_location)
{
    GError *error = NULL;

    *save_location = gconf_client_get_int (client, entry->key, &error);
    if (error != NULL) {
        g_warning ("%s", error->message);
        g_error_free (error);
    }
}

void
mail_config_write (void)
{
    GConfClient *client;
    EAccountList *account_list;
    ESignatureList *signature_list;

    if (!config)
        return;

    account_list = e_get_account_list ();
    signature_list = e_get_signature_list ();

    e_account_list_save (account_list);
    e_signature_list_save (signature_list);

    client = gconf_client_get_default ();
    gconf_client_suggest_sync (client, NULL);
    g_object_unref (client);
}

gint
mail_config_get_address_count (void)
{
    if (!config->address_compress)
        return -1;

    return config->address_count;
}

/* timeout interval, in seconds, when to call server update */
gint
mail_config_get_sync_timeout (void)
{
    GConfClient *client;
    gint res = 60;
    GError *error = NULL;

    client = gconf_client_get_default ();

    res = gconf_client_get_int (
        client, "/apps/evolution/mail/sync_interval", &error);

    /* do not allow recheck sooner than every 30 seconds */
    if (error || res == 0)
        res = 60;
    else if (res < 30)
        res = 30;

    if (error)
        g_error_free (error);

    return res;
}

static gchar *
uri_to_evname (const gchar *uri, const gchar *prefix)
{
    const gchar *data_dir;
    gchar *safe;
    gchar *tmp;

    data_dir = mail_session_get_data_dir ();

    safe = g_strdup (uri);
    e_filename_make_safe (safe);
    tmp = g_strdup_printf ("%s/%s%s.xml", data_dir, prefix, safe);
    g_free (safe);

    return tmp;
}

gchar *
mail_config_folder_to_cachename (CamelFolder *folder, const gchar *prefix)
{
    gchar *folder_uri, *basename, *filename;
    const gchar *config_dir;

    config_dir = mail_session_get_config_dir ();

    basename = g_build_filename (config_dir, "folders", NULL);
    if (!g_file_test (basename, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
        /* create the folder if does not exist */
        g_mkdir_with_parents (basename, 0700);
    }
    g_free (basename);

    folder_uri = e_mail_folder_uri_from_folder (folder);
    e_filename_make_safe (folder_uri);
    basename = g_strdup_printf ("%s%s", prefix, folder_uri);
    filename = g_build_filename (config_dir, "folders", basename, NULL);
    g_free (basename);
    g_free (folder_uri);

    return filename;
}

void
mail_config_reload_junk_headers (EMailSession *session)
{
    g_return_if_fail (E_IS_MAIL_SESSION (session));

    /* It automatically sets in the session */
    if (config == NULL)
        mail_config_init (session);
    else {
        GConfClient *client;

        client = gconf_client_get_default ();
        gconf_jh_check_changed (client, 0, NULL, session);
        g_object_unref (client);
    }
}

gboolean
mail_config_get_lookup_book (void)
{
    g_return_val_if_fail (config != NULL, FALSE);

    return config->book_lookup;
}

gboolean
mail_config_get_lookup_book_local_only (void)
{
    g_return_val_if_fail (config != NULL, FALSE);

    return config->book_lookup_local_only;
}

static void
folder_deleted_cb (MailFolderCache *cache,
                   CamelStore *store,
                   const gchar *folder_name,
                   gpointer user_data)
{
    CamelStoreClass *class;
    EAccountList *account_list;
    EIterator *iterator;
    const gchar *local_drafts_folder_uri;
    const gchar *local_sent_folder_uri;
    gboolean write_config = FALSE;
    gchar *uri;

    class = CAMEL_STORE_GET_CLASS (store);

    /* assumes these can't be removed ... */
    local_drafts_folder_uri =
        e_mail_local_get_folder_uri (E_MAIL_LOCAL_FOLDER_DRAFTS);
    local_sent_folder_uri =
        e_mail_local_get_folder_uri (E_MAIL_LOCAL_FOLDER_SENT);

    uri = e_mail_folder_uri_build (store, folder_name);

    account_list = e_get_account_list ();
    iterator = e_list_get_iterator (E_LIST (account_list));

    while (e_iterator_is_valid (iterator)) {
        EAccount *account;

        /* XXX EIterator misuses const. */
        account = (EAccount *) e_iterator_get (iterator);

        if (account->sent_folder_uri && class->compare_folder_name (
                account->sent_folder_uri, uri)) {
            g_free (account->sent_folder_uri);
            account->sent_folder_uri =
                g_strdup (local_sent_folder_uri);
            write_config = TRUE;
        }

        if (account->drafts_folder_uri && class->compare_folder_name (
                account->drafts_folder_uri, uri)) {
            g_free (account->drafts_folder_uri);
            account->drafts_folder_uri =
                g_strdup (local_drafts_folder_uri);
            write_config = TRUE;
        }

        e_iterator_next (iterator);
    }

    g_object_unref (iterator);
    g_free (uri);

    /* nasty again */
    if (write_config)
        mail_config_write ();
}

static void
folder_renamed_cb (MailFolderCache *cache,
                   CamelStore *store,
                   const gchar *old_folder_name,
                   const gchar *new_folder_name,
                   gpointer user_data)
{
    CamelStoreClass *class;
    EAccountList *account_list;
    EAccount *account;
    EIterator *iterator;
    gboolean write_config = FALSE;
    gchar *old_uri;
    gchar *new_uri;
    gint i;

    const gchar *cachenames[] = {
        "views/current_view-",
        "views/custom_view-",
        NULL };

    class = CAMEL_STORE_GET_CLASS (store);

    old_uri = e_mail_folder_uri_build (store, old_folder_name);
    new_uri = e_mail_folder_uri_build (store, new_folder_name);

    account_list = e_get_account_list ();
    iterator = e_list_get_iterator (E_LIST (account_list));

    while (e_iterator_is_valid (iterator)) {
        account = (EAccount *) e_iterator_get (iterator);

        if (account->sent_folder_uri && class->compare_folder_name (
                account->sent_folder_uri, old_uri)) {
            g_free (account->sent_folder_uri);
            account->sent_folder_uri = g_strdup (new_uri);
            write_config = TRUE;
        }

        if (account->drafts_folder_uri && class->compare_folder_name (
                account->drafts_folder_uri, old_uri)) {
            g_free (account->drafts_folder_uri);
            account->drafts_folder_uri = g_strdup (new_uri);
            write_config = TRUE;
        }

        e_iterator_next (iterator);
    }

    g_object_unref (iterator);

    /* ignore return values or if the files exist or
     * not, doesn't matter */

    for (i = 0; cachenames[i]; i++) {
        gchar *oldname;
        gchar *newname;

        oldname = uri_to_evname (old_uri, cachenames[i]);
        newname = uri_to_evname (new_uri, cachenames[i]);
        g_rename (oldname, newname);
        g_free (oldname);
        g_free (newname);
    }

    g_free (old_uri);
    g_free (new_uri);

    /* nasty ... */
    if (write_config)
        mail_config_write ();
}

/* Config struct routines */
void
mail_config_init (EMailSession *session)
{
    GConfClient *client;
    GConfClientNotifyFunc func;
    MailFolderCache *folder_cache;
    const gchar *key;

    g_return_if_fail (E_IS_MAIL_SESSION (session));

    if (config)
        return;

    config = g_new0 (MailConfig, 1);

    client = gconf_client_get_default ();

    gconf_client_add_dir (
        client, "/apps/evolution/mail/prompts",
        GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);

    /* Composer Configuration */

    gconf_client_add_dir (
        client, "/apps/evolution/mail/composer",
        GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);

    key = "/apps/evolution/mail/composer/outlook_filenames";
    func = (GConfClientNotifyFunc) gconf_outlook_filenames_changed;
    gconf_outlook_filenames_changed (client, 0, NULL, NULL);
    gconf_client_notify_add (client, key, func, NULL, NULL, NULL);

    /* Display Configuration */

    gconf_client_add_dir (
        client, "/apps/evolution/mail/display",
        GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);

    key = "/apps/evolution/mail/display/address_compress";
    func = (GConfClientNotifyFunc) gconf_bool_value_changed;
    gconf_client_notify_add (
        client, key, func,
        &config->address_compress, NULL, NULL);
    config->address_compress = gconf_client_get_bool (client, key, NULL);

    key = "/apps/evolution/mail/display/address_count";
    func = (GConfClientNotifyFunc) gconf_int_value_changed;
    gconf_client_notify_add (
        client, key, func,
        &config->address_count, NULL, NULL);
    config->address_count = gconf_client_get_int (client, key, NULL);

    /* Font Configuration */

    gconf_client_add_dir (
        client, "/apps/evolution/mail/display/fonts",
        GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);

    /* Junk Configuration */

    gconf_client_add_dir (
        client, "/apps/evolution/mail/junk",
        GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);

    key = "/apps/evolution/mail/junk/check_custom_header";
    func = (GConfClientNotifyFunc) gconf_jh_check_changed;
    gconf_client_notify_add (client, key, func, session, NULL, NULL);
    config->jh_check = gconf_client_get_bool (client, key, NULL);

    key = "/apps/evolution/mail/junk/custom_header";
    func = (GConfClientNotifyFunc) gconf_jh_headers_changed;
    gconf_client_notify_add (client, key, func, session, NULL, NULL);

    key = "/apps/evolution/mail/junk/lookup_addressbook";
    func = (GConfClientNotifyFunc) gconf_bool_value_changed;
    gconf_client_notify_add (
        client, key, func,
        &config->book_lookup, NULL, NULL);
    config->book_lookup = gconf_client_get_bool (client, key, NULL);

    key = "/apps/evolution/mail/junk/lookup_addressbook_local_only";
    func = (GConfClientNotifyFunc) gconf_bool_value_changed;
    gconf_client_notify_add (
        client, key, func,
        &config->book_lookup_local_only, NULL, NULL);
    config->book_lookup_local_only =
        gconf_client_get_bool (client, key, NULL);

    gconf_jh_check_changed (client, 0, NULL, session);

    folder_cache = e_mail_session_get_folder_cache (session);

    g_signal_connect (
        folder_cache, "folder-deleted",
        (GCallback) folder_deleted_cb, NULL);
    g_signal_connect (
        folder_cache, "folder-renamed",
        (GCallback) folder_renamed_cb, NULL);

    g_object_unref (client);
}