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/*
* e-mail-parser-application-xpkcs7mime.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.
*
* 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 General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <glib/gi18n-lib.h>
#include <e-util/e-util.h>
#include "e-mail-formatter-utils.h"
#include "e-mail-parser-extension.h"
#include "e-mail-part-utils.h"
typedef EMailParserExtension EMailParserApplicationSMIME;
typedef EMailParserExtensionClass EMailParserApplicationSMIMEClass;
GType e_mail_parser_application_smime_get_type (void);
G_DEFINE_TYPE (
EMailParserApplicationSMIME,
e_mail_parser_application_smime,
E_TYPE_MAIL_PARSER_EXTENSION)
static const gchar *parser_mime_types[] = {
"application/xpkcs7mime",
"application/x-pkcs7-mime",
"application/pkcs7-mime",
"application/pkcs7-signature",
"application/xpkcs7-signature",
"application/x-pkcs7-signature",
NULL
};
static gboolean
empe_app_smime_parse (EMailParserExtension *extension,
EMailParser *parser,
CamelMimePart *part,
GString *part_id,
GCancellable *cancellable,
GQueue *out_mail_parts)
{
CamelCipherContext *context;
CamelMimePart *opart;
CamelCipherValidity *valid;
GError *local_error = NULL;
CamelContentType *ct;
ct = camel_mime_part_get_content_type (part);
if (camel_content_type_is (ct, "application", "pkcs7-signature") ||
camel_content_type_is (ct, "application", "xpkcs7-signature") ||
camel_content_type_is (ct, "application", "x-pkcs7-signature")) {
return TRUE;
}
context = camel_smime_context_new (e_mail_parser_get_session (parser));
opart = camel_mime_part_new ();
valid = camel_cipher_context_decrypt_sync (
context, part, opart,
cancellable, &local_error);
e_mail_part_preserve_charset_in_content_type (part, opart);
if (local_error != NULL) {
e_mail_parser_error (
parser, out_mail_parts,
_("Could not parse S/MIME message: %s"),
local_error->message);
g_error_free (local_error);
} else {
GQueue work_queue = G_QUEUE_INIT;
GList *head, *link;
gint len = part_id->len;
g_string_append (part_id, ".encrypted");
e_mail_parser_parse_part (
parser, opart, part_id, cancellable, &work_queue);
g_string_truncate (part_id, len);
head = g_queue_peek_head_link (&work_queue);
/* Update validity flags of all the involved subp-arts */
for (link = head; link != NULL; link = g_list_next (link)) {
EMailPart *mail_part = link->data;
e_mail_part_update_validity (
mail_part, valid,
E_MAIL_PART_VALIDITY_ENCRYPTED |
E_MAIL_PART_VALIDITY_SMIME);
/* Do not traverse sub-messages */
if (g_str_has_suffix (e_mail_part_get_id (mail_part), ".rfc822"))
link = e_mail_formatter_find_rfc822_end_iter (link);
}
e_queue_transfer (&work_queue, out_mail_parts);
/* Add a widget with details about the encryption, but only
* when the encrypted isn't itself secured, in that case it
* has created the button itself. */
if (!e_mail_part_is_secured (opart)) {
EMailPart *mail_part;
g_string_append (part_id, ".encrypted.button");
e_mail_parser_parse_part_as (
parser, part, part_id,
"application/vnd.evolution.secure-button",
cancellable, &work_queue);
mail_part = g_queue_peek_head (&work_queue);
if (mail_part != NULL)
e_mail_part_update_validity (
mail_part, valid,
E_MAIL_PART_VALIDITY_ENCRYPTED |
E_MAIL_PART_VALIDITY_SMIME);
e_queue_transfer (&work_queue, out_mail_parts);
g_string_truncate (part_id, len);
}
camel_cipher_validity_free (valid);
}
g_object_unref (opart);
g_object_unref (context);
return TRUE;
}
static void
e_mail_parser_application_smime_class_init (EMailParserExtensionClass *class)
{
class->mime_types = parser_mime_types;
class->priority = G_PRIORITY_LOW;
class->flags = E_MAIL_PARSER_EXTENSION_INLINE;
class->parse = empe_app_smime_parse;
}
static void
e_mail_parser_application_smime_init (EMailParserExtension *extension)
{
}
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