/*
* Copyright (C) 2016 Red Hat, Inc. (www.redhat.com)
*
* This library 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 library 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 this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "evolution-config.h"
#include <stdio.h>
#include <string.h>
#include "e-mail-display.h"
#include "e-cid-request.h"
struct _ECidRequestPrivate {
gint dummy;
};
static void e_cid_request_content_request_init (EContentRequestInterface *iface);
G_DEFINE_TYPE_WITH_CODE (ECidRequest, e_cid_request, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (E_TYPE_CONTENT_REQUEST, e_cid_request_content_request_init))
static gboolean
e_cid_request_can_process_uri (EContentRequest *request,
const gchar *uri)
{
g_return_val_if_fail (E_IS_CID_REQUEST (request), FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
return g_ascii_strncasecmp (uri, "cid:", 4) == 0;
}
static gboolean
e_cid_request_process_sync (EContentRequest *request,
const gchar *uri,
GObject *requester,
GInputStream **out_stream,
gint64 *out_stream_length,
gchar **out_mime_type,
GCancellable *cancellable,
GError **error)
{
EMailDisplay *display;
EMailPartList *part_list;
EMailPart *part;
GByteArray *byte_array;
CamelStream *output_stream;
CamelDataWrapper *dw;
CamelMimePart *mime_part;
gboolean success = FALSE;
g_return_val_if_fail (E_IS_CID_REQUEST (request), FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
if (g_cancellable_set_error_if_cancelled (cancellable, error))
return FALSE;
if (!E_IS_MAIL_DISPLAY (requester))
return FALSE;
display = E_MAIL_DISPLAY (requester);
part_list = e_mail_display_get_part_list (display);
if (!part_list)
return FALSE;
part = e_mail_part_list_ref_part (part_list, uri);
if (!part)
return FALSE;
mime_part = e_mail_part_ref_mime_part (part);
dw = camel_medium_get_content (CAMEL_MEDIUM (mime_part));
g_return_val_if_fail (dw != NULL, FALSE);
byte_array = g_byte_array_new ();
output_stream = camel_stream_mem_new ();
/* We retain ownership of the byte array. */
camel_stream_mem_set_byte_array (CAMEL_STREAM_MEM (output_stream), byte_array);
if (camel_data_wrapper_decode_to_stream_sync (dw, output_stream, cancellable, error)) {
GBytes *bytes;
gchar *mime_type;
bytes = g_byte_array_free_to_bytes (byte_array);
success = TRUE;
*out_stream = g_memory_input_stream_new_from_bytes (bytes);
*out_stream_length = g_bytes_get_size (bytes);
mime_type = camel_data_wrapper_get_mime_type (dw);
if (mime_type && *mime_type)
*out_mime_type = mime_type;
else {
g_free (mime_type);
*out_mime_type = g_strdup (e_mail_part_get_mime_type (part));
}
g_bytes_unref (bytes);
} else {
g_byte_array_free (byte_array, TRUE);
}
g_object_unref (output_stream);
g_object_unref (mime_part);
g_object_unref (part);
return success;
}
static void
e_cid_request_content_request_init (EContentRequestInterface *iface)
{
iface->can_process_uri = e_cid_request_can_process_uri;
iface->process_sync = e_cid_request_process_sync;
}
static void
e_cid_request_class_init (ECidRequestClass *class)
{
g_type_class_add_private (class, sizeof (ECidRequestPrivate));
}
static void
e_cid_request_init (ECidRequest *request)
{
request->priv = G_TYPE_INSTANCE_GET_PRIVATE (request, E_TYPE_CID_REQUEST, ECidRequestPrivate);
}
EContentRequest *
e_cid_request_new (void)
{
return g_object_new (E_TYPE_CID_REQUEST, NULL);
}