path: root/mail/importers/pine-importer.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:
 *      Iain Holmes  <iain@ximian.com>
 *  Michael Zucchi <notzed@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>

#include <gtk/gtk.h>
#include <glib/gi18n.h>

#include <libebook/libebook.h>

#include "mail-importer.h"

#include "libemail-engine/mail-mt.h"
#include "mail/e-mail-backend.h"
#include "shell/e-shell.h"

#define d(x)

struct _pine_import_msg {
    MailMsg base;

    EImport *import;
    EImportTarget *target;

    GMutex status_lock;
    gchar *status_what;
    gint status_pc;
    gint status_timeout_id;
    GCancellable *cancellable;
};

static gboolean
pine_supported (EImport *ei,
                EImportTarget *target,
                EImportImporter *im)
{
    gchar *maildir, *addrfile;
    gboolean md_exists, addr_exists;

    if (target->type != E_IMPORT_TARGET_HOME)
        return FALSE;

    maildir = g_build_filename (g_get_home_dir (), "mail", NULL);
    md_exists = g_file_test (maildir, G_FILE_TEST_IS_DIR);
    g_free (maildir);

    addrfile = g_build_filename (g_get_home_dir (), ".addressbook", NULL);
    addr_exists = g_file_test (addrfile, G_FILE_TEST_IS_REGULAR);
    g_free (addrfile);

    return md_exists || addr_exists;
}

/*
 * See: http://www.washington.edu/pine/tech-notes/low-level.html
 * 
 * addressbook line is:
 *      <nickname>TAB<fullname>TAB<address>TAB<fcc>TAB<comments>
 * lists, address is:
 *      "(" <address>, <address>, <address>, ... ")"
 * 
 * <address> is rfc822 address, or alias address.
 * if rfc822 address includes a phrase, then that overrides <fullname>
 * 
 * FIXME: we dont handle aliases in lists.
 */

static void
import_contact (EBookClient *book_client,
                gchar *line)
{
    gchar **strings, *addr, **addrs;
    gint i;
    GList *list;
    /*EContactName *name;*/
    EContact *card;
    gsize len;
    GError *error = NULL;

    card = e_contact_new ();
    strings = g_strsplit (line, "\t", 5);
    if (strings[0] && strings[1] && strings[2]) {
        gchar *new_uid = NULL;

        e_contact_set (card, E_CONTACT_NICKNAME, strings[0]);
        e_contact_set (card, E_CONTACT_FULL_NAME, strings[1]);

        addr = strings[2];
        len = strlen (addr);
        if (addr[0] == '(' && addr[len - 1] == ')') {
            addr[0] = 0;
            addr[len - 1] = 0;
            addrs = g_strsplit (addr + 1, ",", 0);
            list = NULL;
            /* XXX So ... this api is just insane ... we set
             *     plain strings as the contact email if it
             *     is a normal contact, but need to do this
             *     XML crap for mailing lists. */
            for (i = 0; addrs[i]; i++) {
                EDestination *d;
                EVCardAttribute *attr;

                d = e_destination_new ();
                e_destination_set_email (d, addrs[i]);

                attr = e_vcard_attribute_new (NULL, EVC_EMAIL);
                e_destination_export_to_vcard_attribute (d, attr);
                list = g_list_append (list, attr);
                g_object_unref (d);
            }
            e_contact_set_attributes (card, E_CONTACT_EMAIL, list);
            g_list_foreach (list, (GFunc) e_vcard_attribute_free, NULL);
            g_list_free (list);
            g_strfreev (addrs);
            e_contact_set (card, E_CONTACT_IS_LIST, GINT_TO_POINTER (TRUE));
        } else {
            e_contact_set (card, E_CONTACT_EMAIL_1, strings[2]);
        }

        /*name = e_contact_name_from_string(strings[1]);*/

        if (strings[3] && strings[4])
            e_contact_set (card, E_CONTACT_NOTE, strings[4]);

        e_book_client_add_contact_sync (
            book_client, card, &new_uid, NULL, &error);

        if (error != NULL) {
            g_warning (
                "%s: Failed to add contact: %s",
                G_STRFUNC, error->message);
            g_error_free (error);
        } else {
            g_free (new_uid);
        }

        g_object_unref (card);
    }
    g_strfreev (strings);
}

static void
import_contacts (void)
{
    EShell *shell;
    ESourceRegistry *registry;
    EClient *client = NULL;
    GList *list;
    gchar *name;
    GString *line;
    FILE *fp;
    gsize offset;
    const gchar *extension_name;
    GError *error = NULL;

    printf ("importing pine addressbook\n");

    shell = e_shell_get_default ();
    registry = e_shell_get_registry (shell);
    extension_name = E_SOURCE_EXTENSION_ADDRESS_BOOK;

    name = g_build_filename (g_get_home_dir (), ".addressbook", NULL);
    fp = fopen (name, "r");
    g_free (name);
    if (fp == NULL)
        return;

    list = e_source_registry_list_sources (registry, extension_name);

    if (list != NULL) {
        ESource *source;

        source = E_SOURCE (list->data);
        client = e_book_client_connect_sync (source, NULL, &error);
    }

    g_list_free_full (list, (GDestroyNotify) g_object_unref);

    if (error != NULL) {
        g_warning (
            "%s: Failed to open book client: %s",
            G_STRFUNC, error ? error->message : "Unknown error");
        g_clear_error (&error);
        fclose (fp);
        return;
    }

    line = g_string_new ("");
    g_string_set_size (line, 256);
    offset = 0;
    while (fgets (line->str + offset, 256, fp)) {
        gsize len;

        len = strlen (line->str + offset) + offset;
        if (line->str[len - 1] == '\n')
            g_string_truncate (line, len - 1);
        else if (!feof (fp)) {
            offset = len;
            g_string_set_size (line, len + 256);
            continue;
        } else {
            g_string_truncate (line, len);
        }

        import_contact (E_BOOK_CLIENT (client), line->str);
        offset = 0;
    }

    g_string_free (line, TRUE);
    fclose (fp);
    g_object_unref (client);
}

static gchar *
pine_import_desc (struct _pine_import_msg *m)
{
    return g_strdup (_("Importing Pine data"));
}

static MailImporterSpecial pine_special_folders[] = {
    { "sent-mail", "Sent" }, /* pine */
    { "saved-messages", "Drafts" }, /* pine */
    { NULL },
};

static void
pine_import_exec (struct _pine_import_msg *m,
                  GCancellable *cancellable,
                  GError **error)
{
    EShell *shell;
    EShellBackend *shell_backend;
    EMailSession *session;

    /* XXX Dig up the EMailSession from the default EShell.
     *     Since the EImport framework doesn't allow for user
     *     data, I don't see how else to get to it. */
    shell = e_shell_get_default ();
    shell_backend = e_shell_get_backend_by_name (shell, "mail");
    session = e_mail_backend_get_session (E_MAIL_BACKEND (shell_backend));

    if (GPOINTER_TO_INT (g_datalist_get_data (&m->target->data, "pine-do-addr")))
        import_contacts ();

    if (GPOINTER_TO_INT (g_datalist_get_data (&m->target->data, "pine-do-mail"))) {
        gchar *path;

        path = g_build_filename (g_get_home_dir (), "mail", NULL);
        mail_importer_import_folders_sync (
            session, path, pine_special_folders, 0, m->cancellable);
        g_free (path);
    }
}

static void
pine_import_done (struct _pine_import_msg *m)
{
    e_import_complete (m->import, (EImportTarget *) m->target);
}

static void
pine_import_free (struct _pine_import_msg *m)
{
    g_object_unref (m->cancellable);

    g_free (m->status_what);
    g_mutex_clear (&m->status_lock);

    g_source_remove (m->status_timeout_id);
    m->status_timeout_id = 0;

    g_object_unref (m->import);
}

static void
pine_status (CamelOperation *op,
             const gchar *what,
             gint pc,
             gpointer data)
{
    struct _pine_import_msg *importer = data;

    g_mutex_lock (&importer->status_lock);
    g_free (importer->status_what);
    importer->status_what = g_strdup (what);
    importer->status_pc = pc;
    g_mutex_unlock (&importer->status_lock);
}

static gboolean
pine_status_timeout (struct _pine_import_msg *importer)
{
    gint pc;
    gchar *what;

    if (importer->status_what) {
        g_mutex_lock (&importer->status_lock);
        what = importer->status_what;
        importer->status_what = NULL;
        pc = importer->status_pc;
        g_mutex_unlock (&importer->status_lock);

        e_import_status (
            importer->import, (EImportTarget *)
            importer->target, what, pc);
    }

    return TRUE;
}

static MailMsgInfo pine_import_info = {
    sizeof (struct _pine_import_msg),
    (MailMsgDescFunc) pine_import_desc,
    (MailMsgExecFunc) pine_import_exec,
    (MailMsgDoneFunc) pine_import_done,
    (MailMsgFreeFunc) pine_import_free
};

static gint
mail_importer_pine_import (EImport *ei,
                           EImportTarget *target)
{
    struct _pine_import_msg *m;
    gint id;

    m = mail_msg_new (&pine_import_info);
    g_datalist_set_data (&target->data, "pine-msg", m);
    m->import = ei;
    g_object_ref (m->import);
    m->target = target;
    m->status_timeout_id = g_timeout_add (
        100, (GSourceFunc) pine_status_timeout, m);
    g_mutex_init (&m->status_lock);
    m->cancellable = camel_operation_new ();

    g_signal_connect (
        m->cancellable, "status",
        G_CALLBACK (pine_status), m);

    id = m->base.seq;

    mail_msg_fast_ordered_push (m);

    return id;
}

static void
checkbox_mail_toggle_cb (GtkToggleButton *tb,
                         EImportTarget *target)
{
    gboolean active;

    active = gtk_toggle_button_get_active (tb);

    g_datalist_set_data (
        &target->data, "pine-do-mail",
        GINT_TO_POINTER (active));
}

static void
checkbox_addr_toggle_cb (GtkToggleButton *tb,
                         EImportTarget *target)
{
    gboolean active;

    active = gtk_toggle_button_get_active (tb);

    g_datalist_set_data (
        &target->data, "pine-do-addr",
        GINT_TO_POINTER (active));
}

static GtkWidget *
pine_getwidget (EImport *ei,
                EImportTarget *target,
                EImportImporter *im)
{
    GtkWidget *box, *w;

    g_datalist_set_data (
        &target->data, "pine-do-mail",
        GINT_TO_POINTER (TRUE));
    g_datalist_set_data (
        &target->data, "pine-do-addr",
        GINT_TO_POINTER (TRUE));

    box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);

    w = gtk_check_button_new_with_label (_("Mail"));
    gtk_toggle_button_set_active ((GtkToggleButton *) w, TRUE);
    g_signal_connect (
        w, "toggled",
        G_CALLBACK (checkbox_mail_toggle_cb), target);
    gtk_box_pack_start ((GtkBox *) box, w, FALSE, FALSE, 0);

    w = gtk_check_button_new_with_label (_("Address Book"));
    gtk_toggle_button_set_active ((GtkToggleButton *) w, TRUE);
    g_signal_connect (
        w, "toggled",
        G_CALLBACK (checkbox_addr_toggle_cb), target);
    gtk_box_pack_start ((GtkBox *) box, w, FALSE, FALSE, 0);

    gtk_widget_show_all (box);

    return box;
}

static void
pine_import (EImport *ei,
             EImportTarget *target,
             EImportImporter *im)
{
    if (GPOINTER_TO_INT (g_datalist_get_data (&target->data, "pine-do-mail"))
        || GPOINTER_TO_INT (g_datalist_get_data (&target->data, "pine-do-addr")))
        mail_importer_pine_import (ei, target);
    else
        e_import_complete (ei, target);
}

static void
pine_cancel (EImport *ei,
             EImportTarget *target,
             EImportImporter *im)
{
    struct _pine_import_msg *m = g_datalist_get_data (&target->data, "pine-msg");

    if (m)
        g_cancellable_cancel (m->cancellable);
}

static EImportImporter pine_importer = {
    E_IMPORT_TARGET_HOME,
    0,
    pine_supported,
    pine_getwidget,
    pine_import,
    pine_cancel,
    NULL, /* get_preview */
};

EImportImporter *
pine_importer_peek (void)
{
    pine_importer.name = _("Evolution Pine importer");
    pine_importer.description = _("Import mail from Pine.");

    return &pine_importer;
}