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/*
* e-file-request.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/>
*
*/
#define LIBSOUP_USE_UNSTABLE_REQUEST_API
#include "e-file-request.h"
#include <libsoup/soup.h>
#include <e-util/e-util.h>
#include <string.h>
#define d(x)
#define E_FILE_REQUEST_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_FILE_REQUEST, EFileRequestPrivate))
struct _EFileRequestPrivate {
gchar *content_type;
gint content_length;
};
G_DEFINE_TYPE (EFileRequest, e_file_request, SOUP_TYPE_REQUEST)
static void
handle_file_request (GSimpleAsyncResult *res,
GObject *object,
GCancellable *cancellable)
{
EFileRequest *request = E_FILE_REQUEST (object);
SoupURI *uri;
GInputStream *stream;
gchar *contents;
gsize length;
if (g_cancellable_is_cancelled (cancellable))
return;
uri = soup_request_get_uri (SOUP_REQUEST (request));
if (g_file_get_contents (uri->path, &contents, &length, NULL)) {
request->priv->content_type = g_content_type_guess (uri->path, NULL, 0, NULL);
request->priv->content_length = length;
stream = g_memory_input_stream_new_from_data (
contents, length, (GDestroyNotify) g_free);
g_simple_async_result_set_op_res_gpointer (res, stream, NULL);
}
}
static void
file_request_finalize (GObject *object)
{
EFileRequest *request = E_FILE_REQUEST (object);
if (request->priv->content_type) {
g_free (request->priv->content_type);
request->priv->content_type = NULL;
}
G_OBJECT_CLASS (e_file_request_parent_class)->finalize (object);
}
static gboolean
file_request_check_uri (SoupRequest *request,
SoupURI *uri,
GError **error)
{
return (strcmp (uri->scheme, "evo-file") == 0);
}
static void
file_request_send_async (SoupRequest *request,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GSimpleAsyncResult *simple;
d (printf ("received request for %s\n", soup_uri_to_string (uri, FALSE)));
/* WebKit won't allow us to load data through local file:// protocol
* when using "remote" mail:// protocol, so we have evo-file://
* which WebKit thinks it's remote, but in fact it behaves like
* oridnary file:// */
simple = g_simple_async_result_new (
G_OBJECT (request), callback, user_data,
file_request_send_async);
g_simple_async_result_set_check_cancellable (simple, cancellable);
g_simple_async_result_run_in_thread (
simple, handle_file_request,
G_PRIORITY_DEFAULT, cancellable);
g_object_unref (simple);
}
static GInputStream *
file_request_send_finish (SoupRequest *request,
GAsyncResult *result,
GError **error)
{
GSimpleAsyncResult *simple;
GInputStream *stream;
simple = G_SIMPLE_ASYNC_RESULT (result);
stream = g_simple_async_result_get_op_res_gpointer (simple);
/* Reset the stream before passing it back to webkit */
if (stream && G_IS_SEEKABLE (stream))
g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, NULL, NULL);
if (!stream) /* We must always return something */
stream = g_memory_input_stream_new ();
return stream;
}
static goffset
file_request_get_content_length (SoupRequest *request)
{
EFileRequest *efr = E_FILE_REQUEST (request);
d (printf ("Content-Length: %d bytes\n", efr->priv->content_length));
return efr->priv->content_length;
}
static const gchar *
file_request_get_content_type (SoupRequest *request)
{
EFileRequest *efr = E_FILE_REQUEST (request);
d (printf ("Content-Type: %s\n", efr->priv->content_type));
return efr->priv->content_type;
}
static const gchar *data_schemes[] = { "evo-file", NULL };
static void
e_file_request_class_init (EFileRequestClass *class)
{
GObjectClass *object_class;
SoupRequestClass *request_class;
g_type_class_add_private (class, sizeof (EFileRequestPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->finalize = file_request_finalize;
request_class = SOUP_REQUEST_CLASS (class);
request_class->schemes = data_schemes;
request_class->send_async = file_request_send_async;
request_class->send_finish = file_request_send_finish;
request_class->get_content_type = file_request_get_content_type;
request_class->get_content_length = file_request_get_content_length;
request_class->check_uri = file_request_check_uri;
}
static void
e_file_request_init (EFileRequest *request)
{
request->priv = E_FILE_REQUEST_GET_PRIVATE (request);
}
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