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 "mail-config.h"
#include "mail-folder-cache.h"
#include "mail-session.h"
#include "mail-tools.h"

typedef struct {
    GConfClient *gconf;

    gchar *gtkrc;

    GSList *labels;

    gboolean address_compress;
    gint address_count;

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

extern gint camel_header_param_encode_filenames_in_rfc_2047;

static MailConfig *config = NULL;

static void
config_write_style (void)
{
    GConfClient *client;
    gboolean custom;
    gchar *fix_font;
    gchar *var_font;
    gchar *citation_color;
    gchar *spell_color;
    const gchar *key;
    FILE *rc;

    if (!(rc = g_fopen (config->gtkrc, "wt"))) {
        g_warning ("unable to open %s", config->gtkrc);
        return;
    }

    client = config->gconf;

    key = "/apps/evolution/mail/display/fonts/use_custom";
    custom = gconf_client_get_bool (client, key, NULL);

    key = "/apps/evolution/mail/display/fonts/variable";
    var_font = gconf_client_get_string (client, key, NULL);

    key = "/apps/evolution/mail/display/fonts/monospace";
    fix_font = gconf_client_get_string (client, key, NULL);

    key = "/apps/evolution/mail/display/citation_colour";
    citation_color = gconf_client_get_string (client, key, NULL);

    key = "/apps/evolution/mail/composer/spell_color";
    spell_color = gconf_client_get_string (client, key, NULL);

    fprintf (rc, "style \"evolution-mail-custom-fonts\" {\n");
    fprintf (rc, "        GtkHTML::spell_error_color = \"%s\"\n", spell_color);
    g_free (spell_color);

    if (gconf_client_get_bool (config->gconf, "/apps/evolution/mail/display/mark_citations", NULL))
        fprintf (rc, "        GtkHTML::cite_color = \"%s\"\n",
             citation_color);
    g_free (citation_color);

    if (custom && var_font && fix_font) {
        fprintf (rc,
             "        GtkHTML::fixed_font_name = \"%s\"\n"
             "        font_name = \"%s\"\n",
             fix_font, var_font);
    }
    g_free (fix_font);
    g_free (var_font);

    fprintf (rc, "}\n\n");

    fprintf (rc, "class \"EWebView\" style \"evolution-mail-custom-fonts\"\n");
    fflush (rc);
    fclose (rc);

    gtk_rc_reparse_all ();
}

static void
gconf_style_changed (GConfClient *client, guint cnxn_id,
             GConfEntry *entry, gpointer user_data)
{
    config_write_style ();
}

static void
gconf_outlook_filenames_changed (GConfClient *client, guint cnxn_id,
                 GConfEntry *entry, gpointer user_data)
{
    g_return_if_fail (client != NULL);

    /* pass option to the camel */
    if (gconf_client_get_bool (client, "/apps/evolution/mail/composer/outlook_filenames", 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, gpointer user_data)
{
    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 (config->gconf, "/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);
    }
    mail_session_set_junk_headers ((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, gpointer user_data)
{
    config->jh_check = gconf_client_get_bool (config->gconf, "/apps/evolution/mail/junk/check_custom_header", NULL);
    if (!config->jh_check) {
        mail_session_set_junk_headers (NULL, NULL, 0);
    } else {
        gconf_jh_headers_changed (NULL, 0, NULL, NULL);
    }
}

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)
{
    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);

    gconf_client_suggest_sync (config->gconf, NULL);
}

/* Accessor functions */
GConfClient *
mail_config_get_gconf_client (void)
{
    if (!config)
        mail_config_init ();

    return config->gconf;
}

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 *gconf = mail_config_get_gconf_client ();
    gint res = 60;

    if (gconf) {
        GError *error = NULL;

        res = gconf_client_get_int (gconf, "/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 EAccount *
mc_get_account_by (const gchar *given_url, const gchar * (get_url_string)(EAccount *account))
{
    EAccountList *account_list;
    EAccount *account = NULL;
    EIterator *iter;
    CamelURL *url;
    CamelProvider *provider;

    g_return_val_if_fail (given_url != NULL, NULL);
    g_return_val_if_fail (get_url_string != NULL, NULL);

    url = camel_url_new (given_url, NULL);
    g_return_val_if_fail (url != NULL, NULL);

    provider = camel_provider_get (given_url, NULL);
    g_return_val_if_fail (provider != NULL && provider->url_equal != NULL, NULL);

    account_list = e_get_account_list ();
    iter = e_list_get_iterator ((EList *) account_list);
    while (account == NULL && e_iterator_is_valid (iter)) {
        CamelURL *account_url;
        const gchar *account_url_string;

        account = (EAccount *) e_iterator_get (iter);

        e_iterator_next (iter);

        account_url_string = get_url_string (account);

        if ( !account_url_string || !*account_url_string) {
            account = NULL;
            continue;
        }

        account_url = camel_url_new (account_url_string, NULL);
        if (account_url == NULL) {
            account = NULL;
            continue;
        }

        if (!provider->url_equal (url, account_url))
            account = NULL;  /* not a match */

        camel_url_free (account_url);
    }

    g_object_unref (iter);
    camel_url_free (url);

    return account;
}

static const gchar *
get_source_url_string (EAccount *account)
{
    if (account && account->source && account->source->url && *account->source->url)
        return account->source->url;
    return NULL;
}

static const gchar *
get_transport_url_string (EAccount *account)
{
    if (account && account->transport && account->transport->url && *account->transport->url)
        return account->transport->url;
    return NULL;
}

EAccount *
mail_config_get_account_by_source_url (const gchar *source_url)
{
    return mc_get_account_by (source_url, get_source_url_string);
}

EAccount *
mail_config_get_account_by_transport_url (const gchar *transport_url)
{
    return mc_get_account_by (transport_url, get_transport_url_string);
}

EAccountService *
mail_config_get_default_transport (void)
{
    EAccountList *account_list;
    EAccount *account;
    EIterator *iter;

    account_list = e_get_account_list ();
    account = e_get_default_account ();

    if (account && account->enabled && account->transport && account->transport->url && account->transport->url[0])
        return account->transport;

    /* return the first account with a transport? */
    iter = e_list_get_iterator ((EList *) account_list);
    while (e_iterator_is_valid (iter)) {
        account = (EAccount *) e_iterator_get (iter);

        if (account->enabled && account->transport && account->transport->url && account->transport->url[0]) {
            g_object_unref (iter);

            return account->transport;
        }

        e_iterator_next (iter);
    }

    g_object_unref (iter);

    return NULL;
}

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);
    /* blah, easiest thing to do */
    if (prefix[0] == '*')
        tmp = g_strdup_printf ("%s/%s%s.xml", data_dir, prefix + 1, safe);
    else
        tmp = g_strdup_printf ("%s/%s%s", data_dir, prefix, safe);
    g_free (safe);
    return tmp;
}

static void
mail_config_uri_renamed (GCompareFunc uri_cmp, const gchar *old, const gchar *new)
{
    EAccountList *account_list;
    EAccount *account;
    EIterator *iter;
    gint i, work = 0;
    gchar *oldname, *newname;
    const gchar *cachenames[] = {
        "config/hidestate-",
        "config/et-expanded-",
        "config/et-header-",
        "*views/current_view-",
        "*views/custom_view-",
        NULL };

    account_list = e_get_account_list ();
    iter = e_list_get_iterator ((EList *) account_list);
    while (e_iterator_is_valid (iter)) {
        account = (EAccount *) e_iterator_get (iter);

        if (account->sent_folder_uri && uri_cmp (account->sent_folder_uri, old)) {
            g_free (account->sent_folder_uri);
            account->sent_folder_uri = g_strdup (new);
            work = 1;
        }

        if (account->drafts_folder_uri && uri_cmp (account->drafts_folder_uri, old)) {
            g_free (account->drafts_folder_uri);
            account->drafts_folder_uri = g_strdup (new);
            work = 1;
        }

        e_iterator_next (iter);
    }

    g_object_unref (iter);

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

    for (i = 0; cachenames[i]; i++) {
        oldname = uri_to_evname (old, cachenames[i]);
        newname = uri_to_evname (new, cachenames[i]);
        /*printf ("** renaming %s to %s\n", oldname, newname);*/
        g_rename (oldname, newname);
        g_free (oldname);
        g_free (newname);
    }

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

static void
mail_config_uri_deleted (GCompareFunc uri_cmp, const gchar *uri)
{
    EAccountList *account_list;
    EAccount *account;
    EIterator *iter;
    gint work = 0;
    const gchar *local_drafts_folder_uri;
    const gchar *local_sent_folder_uri;

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

    account_list = e_get_account_list ();
    iter = e_list_get_iterator ((EList *) account_list);
    while (e_iterator_is_valid (iter)) {
        account = (EAccount *) e_iterator_get (iter);

        if (account->sent_folder_uri && uri_cmp (account->sent_folder_uri, uri)) {
            g_free (account->sent_folder_uri);
            account->sent_folder_uri = g_strdup (local_sent_folder_uri);
            work = 1;
        }

        if (account->drafts_folder_uri && uri_cmp (account->drafts_folder_uri, uri)) {
            g_free (account->drafts_folder_uri);
            account->drafts_folder_uri = g_strdup (local_drafts_folder_uri);
            work = 1;
        }

        e_iterator_next (iter);
    }

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

void
mail_config_service_set_save_passwd (EAccountService *service, gboolean save_passwd)
{
    service->save_passwd = save_passwd;
}

gchar *
mail_config_folder_to_safe_url (CamelFolder *folder)
{
    gchar *url;

    url = mail_tools_folder_to_url (folder);
    e_filename_make_safe (url);

    return url;
}

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

    config_dir = mail_session_get_config_dir ();
    url = mail_config_folder_to_safe_url (folder);
    basename = g_strdup_printf ("%s%s", prefix, url);
    filename = g_build_filename (config_dir, "folders", basename, NULL);
    g_free (basename);
    g_free (url);

    return filename;
}

void
mail_config_reload_junk_headers (void)
{
    /* It automatically sets in the session */
    if (config == NULL)
        mail_config_init ();
    else
        gconf_jh_check_changed (config->gconf, 0, NULL, config);

}

gboolean
mail_config_get_lookup_book (void)
{
    /* It automatically sets in the session */
    if (config == NULL)
        mail_config_init ();

    return config->book_lookup;
}

gboolean
mail_config_get_lookup_book_local_only (void)
{
    /* It automatically sets in the session */
    if (config == NULL)
        mail_config_init ();

    return config->book_lookup_local_only;
}

static void
folder_deleted_cb (MailFolderCache *cache, CamelStore *store, const gchar *uri, gpointer user_data)
{
    mail_config_uri_deleted (CAMEL_STORE_CLASS (CAMEL_OBJECT_GET_CLASS (store))->compare_folder_name, uri);
}

static void
folder_renamed_cb (MailFolderCache *cache, CamelStore *store, const gchar *olduri, const gchar *newuri, gpointer user_data)
{
    mail_config_uri_renamed (CAMEL_STORE_CLASS (CAMEL_OBJECT_GET_CLASS (store))->compare_folder_name,
                olduri, newuri);
}

/* Config struct routines */
void
mail_config_init (void)
{
    GConfClientNotifyFunc func;
    const gchar *key;

    if (config)
        return;

    config = g_new0 (MailConfig, 1);
    config->gconf = gconf_client_get_default ();
    config->gtkrc = g_build_filename (
        mail_session_get_config_dir (),
        "gtkrc-mail-fonts", NULL);

    gtk_rc_parse (config->gtkrc);

    gconf_client_add_dir (
        config->gconf, "/apps/evolution/mail/prompts",
        GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);

    /* Composer Configuration */

    gconf_client_add_dir (
        config->gconf, "/apps/evolution/mail/composer",
        GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);

    key = "/apps/evolution/mail/composer/spell_color";
    func = (GConfClientNotifyFunc) gconf_style_changed;
    gconf_client_notify_add (
        config->gconf, key, func, NULL, NULL, NULL);

    key = "/apps/evolution/mail/composer/outlook_filenames";
    func = (GConfClientNotifyFunc) gconf_outlook_filenames_changed;
    gconf_outlook_filenames_changed (config->gconf, 0, NULL, NULL);
    gconf_client_notify_add (
        config->gconf, key, func, NULL, NULL, NULL);

    /* Display Configuration */

    gconf_client_add_dir (
        config->gconf, "/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 (
        config->gconf, key, func,
        &config->address_compress, NULL, NULL);
    config->address_compress =
        gconf_client_get_bool (config->gconf, key, NULL);

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

    key = "/apps/evolution/mail/display/citation_colour";
    func = (GConfClientNotifyFunc) gconf_style_changed;
    gconf_client_notify_add (
        config->gconf, key, func, NULL, NULL, NULL);

    key = "/apps/evolution/mail/display/mark_citations";
    func = (GConfClientNotifyFunc) gconf_style_changed;
    gconf_client_notify_add (
        config->gconf, key, func, NULL, NULL, NULL);

    /* Font Configuration */

    gconf_client_add_dir (
        config->gconf, "/apps/evolution/mail/display/fonts",
        GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);

    key = "/apps/evolution/mail/display/fonts";
    func = (GConfClientNotifyFunc) gconf_style_changed;
    gconf_client_notify_add (
        config->gconf, key, func, NULL, NULL, NULL);

    /* Junk Configuration */

    gconf_client_add_dir (
        config->gconf, "/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 (
        config->gconf, key, func, NULL, NULL, NULL);
    config->jh_check =
        gconf_client_get_bool (config->gconf, key, NULL);

    key = "/apps/evolution/mail/junk/custom_header";
    func = (GConfClientNotifyFunc) gconf_jh_headers_changed;
    gconf_client_notify_add (
        config->gconf, key, func, NULL, NULL, NULL);

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

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

    key = "/desktop/gnome/lockdown/disable_command_line";
    func = (GConfClientNotifyFunc) gconf_bool_value_changed;
    gconf_client_notify_add (
        config->gconf, key, func,
        &config->scripts_disabled, NULL, NULL);
    config->scripts_disabled =
        gconf_client_get_bool (config->gconf, key, NULL);

    gconf_jh_check_changed (config->gconf, 0, NULL, config);

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