path: root/em-format/e-mail-parser-multipart-appledouble.c

/*
 * e-mail-parser-multipart-appledouble.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/>
 *
 */

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

#include "e-mail-format-extensions.h"

#include <em-format/e-mail-parser-extension.h>
#include <em-format/e-mail-parser.h>

#include <camel/camel.h>

typedef struct _EMailParserMultipartAppleDouble {
    GObject parent;
} EMailParserMultipartAppleDouble;

typedef struct _EMailParserMultipartAppleDoubleClass {
    GObjectClass parent_class;
} EMailParserMultipartAppleDoubleClass;

static void e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *iface);
static void e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *iface);

G_DEFINE_TYPE_EXTENDED (
    EMailParserMultipartAppleDouble,
    e_mail_parser_multipart_apple_double,
    G_TYPE_OBJECT,
    0,
    G_IMPLEMENT_INTERFACE (
        E_TYPE_MAIL_EXTENSION,
        e_mail_parser_mail_extension_interface_init)
    G_IMPLEMENT_INTERFACE (
        E_TYPE_MAIL_PARSER_EXTENSION,
        e_mail_parser_parser_extension_interface_init));

static const gchar * parser_mime_types[] = { "multipart/appledouble", NULL };

static GSList *
empe_mp_appledouble_parse (EMailParserExtension *extension,
                           EMailParser *parser,
                           CamelMimePart *part,
                           GString *part_id,
                           GCancellable *cancellable)
{
    CamelMultipart *mp;
    GSList *parts;

    if (g_cancellable_is_cancelled (cancellable))
        return NULL;

    mp = (CamelMultipart *) camel_medium_get_content ((CamelMedium *) part);

    if (!CAMEL_IS_MULTIPART (mp)) {
        parts = e_mail_parser_parse_part_as (
                parser, part, part_id,
                "application/vnd.evolution.source",
                cancellable);
    } else {
        CamelMimePart *mime_part;
        mime_part = camel_multipart_get_part (mp, 1);

        if (mime_part) {
            gint len;
            /* try the data fork for something useful, doubtful but who knows */
            len = part_id->len;
            g_string_append_printf (part_id, ".appledouble.1");

            parts = e_mail_parser_parse_part (
                    parser, mime_part, part_id, cancellable);

            g_string_truncate (part_id, len);

        } else {

            parts = e_mail_parser_parse_part_as (
                    parser, part, part_id,
                    "application/vnd.evolution.source",
                    cancellable);
        }
    }

    return parts;
}

static const gchar **
empe_mp_appledouble_mime_types (EMailExtension *extension)
{
    return parser_mime_types;
}

static void
e_mail_parser_multipart_apple_double_class_init (EMailParserMultipartAppleDoubleClass *class)
{
}

static void
e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *iface)
{
    iface->parse = empe_mp_appledouble_parse;
}

static void
e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *iface)
{
    iface->mime_types = empe_mp_appledouble_mime_types;
}

static void
e_mail_parser_multipart_apple_double_init (EMailParserMultipartAppleDouble *parser)
{

}