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/*
* e-mail-parser-message-external.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 <e-util/e-util.h>
#include <glib/gi18n-lib.h>
#include <camel/camel.h>
#include <string.h>
#include <ctype.h>
typedef struct _EMailParserMessageExternal {
GObject parent;
} EMailParserMessageExternal;
typedef struct _EMailParserMessageExternalClass {
GObjectClass parent_class;
} EMailParserMessageExternalClass;
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 (
EMailParserMessageExternal,
e_mail_parser_message_external,
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[] = { "message/external-body",
NULL };
static GSList *
empe_msg_external_parse (EMailParserExtension *extension,
EMailParser *parser,
CamelMimePart *part,
GString *part_id,
GCancellable *cancellable)
{
EMailPart *mail_part;
CamelMimePart *newpart;
CamelContentType *type;
const gchar *access_type;
gchar *url = NULL, *desc = NULL;
gchar *content;
gint len;
gchar *mime_type;
if (g_cancellable_is_cancelled (cancellable))
return NULL;
newpart = camel_mime_part_new ();
/* needs to be cleaner */
type = camel_mime_part_get_content_type (part);
access_type = camel_content_type_param (type, "access-type");
if (!access_type) {
const gchar *msg = _("Malformed external-body part");
mime_type = g_strdup ("text/plain");
camel_mime_part_set_content (newpart, msg, strlen (msg), mime_type);
goto addPart;
}
if (!g_ascii_strcasecmp (access_type, "ftp") ||
!g_ascii_strcasecmp (access_type, "anon-ftp")) {
const gchar *name, *site, *dir, *mode;
gchar *path;
gchar ftype[16];
name = camel_content_type_param (type, "name");
site = camel_content_type_param (type, "site");
dir = camel_content_type_param (type, "directory");
mode = camel_content_type_param (type, "mode");
if (name == NULL || site == NULL)
goto fail;
/* Generate the path. */
if (dir)
path = g_strdup_printf ("/%s/%s", *dir == '/' ? dir + 1 : dir, name);
else
path = g_strdup_printf ("/%s", *name == '/' ? name + 1 : name);
if (mode && *mode)
sprintf (ftype, ";type=%c", *mode);
else
ftype[0] = 0;
url = g_strdup_printf ("ftp://%s%s%s", site, path, ftype);
g_free (path);
desc = g_strdup_printf (_("Pointer to FTP site (%s)"), url);
} else if (!g_ascii_strcasecmp (access_type, "local-file")) {
const gchar *name, *site;
name = camel_content_type_param (type, "name");
site = camel_content_type_param (type, "site");
if (name == NULL)
goto fail;
url = g_filename_to_uri (name, NULL, NULL);
if (site)
desc = g_strdup_printf (_("Pointer to local file (%s) valid at site \"%s\""), name, site);
else
desc = g_strdup_printf (_("Pointer to local file (%s)"), name);
} else if (!g_ascii_strcasecmp (access_type, "URL")) {
const gchar *urlparam;
gchar *s, *d;
/* RFC 2017 */
urlparam = camel_content_type_param (type, "url");
if (urlparam == NULL)
goto fail;
/* For obscure MIMEy reasons, the URL may be split into words */
url = g_strdup (urlparam);
s = d = url;
while (*s) {
if (!isspace ((guchar) * s))
*d++ = *s;
s++;
}
*d = 0;
desc = g_strdup_printf (_("Pointer to remote data (%s)"), url);
} else {
goto fail;
}
mime_type = g_strdup ("text/html");
content = g_strdup_printf ("<a href=\"%s\">%s</a>", url, desc);
camel_mime_part_set_content (newpart, content, strlen (content), mime_type);
g_free (content);
g_free (url);
g_free (desc);
goto addPart;
fail:
content = g_strdup_printf (
_("Pointer to unknown external data (\"%s\" type)"),
access_type);
mime_type = g_strdup ("text/plain");
camel_mime_part_set_content (newpart, content, strlen (content), mime_type);
g_free (content);
addPart:
len = part_id->len;
g_string_append (part_id, ".msg_external");
mail_part = e_mail_part_new (part, part_id->str);
mail_part->mime_type = mime_type;
g_string_truncate (part_id, len);
return g_slist_append (NULL, mail_part);
}
static const gchar **
empe_msg_external_mime_types (EMailExtension *extension)
{
return parser_mime_types;
}
static void
e_mail_parser_message_external_class_init (EMailParserMessageExternalClass *class)
{
}
static void
e_mail_parser_parser_extension_interface_init (EMailParserExtensionInterface *iface)
{
iface->parse = empe_msg_external_parse;
}
static void
e_mail_parser_mail_extension_interface_init (EMailExtensionInterface *iface)
{
iface->mime_types = empe_msg_external_mime_types;
}
static void
e_mail_parser_message_external_init (EMailParserMessageExternal *parser)
{
}
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