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/* GStreamer Streaming Server
* Copyright (C) 2009-2012 Entropy Wave Inc <info@entropywave.com>
* Copyright (C) 2009-2012 David Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "gss-html.h"
#include "gss-transaction.h"
#include <string.h>
#include <json-glib/json-glib.h>
void
gss_transaction_redirect (GssTransaction * t, const char *target)
{
char *s;
s = g_strdup_printf
("<html><head><meta http-equiv='refresh' content='0'></head>\n"
"<body>Oops, you were supposed to "
"be redirected <a href='%s'>here</a>.</body></html>\n", target);
soup_message_set_response (t->msg, GSS_TEXT_HTML, SOUP_MEMORY_TAKE, s,
strlen (s));
soup_message_headers_append (t->msg->response_headers, "Location", target);
soup_message_set_status (t->msg, SOUP_STATUS_SEE_OTHER);
}
void
gss_transaction_error (GssTransaction * t, const char *message)
{
GString *s = g_string_new ("");
t->s = s;
gss_html_header (t);
g_string_append (s, "<h1>Configuration Failed</h1><hr>\n");
g_string_append (s, "<p>Invalid configuration options were provided.\n"
"Please return to previous page and retry.</p>\n");
gss_html_footer (t);
soup_message_set_status (t->msg, SOUP_STATUS_BAD_REQUEST);
}
static gboolean
unpause (gpointer priv)
{
GssTransaction *t = (GssTransaction *) priv;
soup_server_unpause_message (t->soupserver, t->msg);
g_free (t);
return FALSE;
}
void
gss_transaction_delay (GssTransaction * t, int msec)
{
GssTransaction *new_t;
/* FIXME this is pure evil */
new_t = g_malloc0 (sizeof (GssTransaction));
memcpy (new_t, t, sizeof (GssTransaction));
soup_server_pause_message (t->soupserver, t->msg);
g_timeout_add (msec, unpause, new_t);
}
/* some stuff copied from json-glib because it needs a one-line
* modification to include all properties, not just non-default ones */
static JsonNode *gss_json_serialize_pspec (const GValue * real_value,
GParamSpec * pspec);
static JsonObject *
gss_json_gobject_dump (GObject * gobject)
{
JsonSerializableIface *iface = NULL;
JsonSerializable *serializable = NULL;
gboolean list_properties = FALSE;
gboolean serialize_property = FALSE;
gboolean get_property = FALSE;
JsonObject *object;
GParamSpec **pspecs;
guint n_pspecs, i;
if (JSON_IS_SERIALIZABLE (gobject)) {
serializable = JSON_SERIALIZABLE (gobject);
iface = JSON_SERIALIZABLE_GET_IFACE (gobject);
list_properties = (iface->list_properties != NULL);
serialize_property = (iface->serialize_property != NULL);
get_property = (iface->get_property != NULL);
}
object = json_object_new ();
if (list_properties)
pspecs = json_serializable_list_properties (serializable, &n_pspecs);
else
pspecs =
g_object_class_list_properties (G_OBJECT_GET_CLASS (gobject),
&n_pspecs);
for (i = 0; i < n_pspecs; i++) {
GParamSpec *pspec = pspecs[i];
GValue value = { 0, };
JsonNode *node = NULL;
/* read only what we can */
if (!(pspec->flags & G_PARAM_READABLE))
continue;
g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
if (get_property)
json_serializable_get_property (serializable, pspec, &value);
else
g_object_get_property (gobject, pspec->name, &value);
/* if there is a serialization vfunc, then it is completely responsible
* for serializing the property, possibly by calling the implementation
* of the default JsonSerializable interface through chaining up
*/
if (serialize_property) {
node = json_serializable_serialize_property (serializable,
pspec->name, &value, pspec);
} else
node = gss_json_serialize_pspec (&value, pspec);
if (node)
json_object_set_member (object, pspec->name, node);
g_value_unset (&value);
}
g_free (pspecs);
return object;
}
static JsonNode *
gss_json_gobject_serialize (GObject * gobject)
{
JsonNode *retval;
g_return_val_if_fail (G_IS_OBJECT (gobject), NULL);
retval = json_node_new (JSON_NODE_OBJECT);
json_node_take_object (retval, gss_json_gobject_dump (gobject));
return retval;
}
gchar *
gss_json_gobject_to_data (GObject * gobject, gsize * length)
{
JsonGenerator *gen;
JsonNode *root;
gchar *data;
g_return_val_if_fail (G_OBJECT (gobject), NULL);
root = gss_json_gobject_serialize (gobject);
gen = g_object_new (JSON_TYPE_GENERATOR,
"root", root, "pretty", TRUE, "indent", 2, NULL);
data = json_generator_to_data (gen, length);
g_object_unref (gen);
json_node_free (root);
return data;
}
static JsonNode *
gss_json_serialize_pspec (const GValue * real_value, GParamSpec * pspec)
{
JsonNode *retval = NULL;
GValue value = { 0, };
JsonNodeType node_type;
switch (G_TYPE_FUNDAMENTAL (G_VALUE_TYPE (real_value))) {
case G_TYPE_INT64:
case G_TYPE_BOOLEAN:
case G_TYPE_DOUBLE:
/* JSON native types */
retval = json_node_new (JSON_NODE_VALUE);
g_value_init (&value, G_VALUE_TYPE (real_value));
g_value_copy (real_value, &value);
json_node_set_value (retval, &value);
g_value_unset (&value);
break;
case G_TYPE_STRING:
/* strings might be NULL, so we handle it differently */
if (!g_value_get_string (real_value))
retval = json_node_new (JSON_NODE_NULL);
else {
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_string (retval, g_value_get_string (real_value));
break;
}
break;
case G_TYPE_INT:
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_int (retval, g_value_get_int (real_value));
break;
case G_TYPE_FLOAT:
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_double (retval, g_value_get_float (real_value));
break;
case G_TYPE_BOXED:
if (G_VALUE_HOLDS (real_value, G_TYPE_STRV)) {
gchar **strv = g_value_get_boxed (real_value);
gint i, strv_len;
JsonArray *array;
strv_len = g_strv_length (strv);
array = json_array_sized_new (strv_len);
for (i = 0; i < strv_len; i++) {
JsonNode *str = json_node_new (JSON_NODE_VALUE);
json_node_set_string (str, strv[i]);
json_array_add_element (array, str);
}
retval = json_node_new (JSON_NODE_ARRAY);
json_node_take_array (retval, array);
} else if (json_boxed_can_serialize (G_VALUE_TYPE (real_value),
&node_type)) {
gpointer boxed = g_value_get_boxed (real_value);
retval = json_boxed_serialize (G_VALUE_TYPE (real_value), boxed);
} else
g_warning ("Boxed type '%s' is not handled by JSON-GLib",
g_type_name (G_VALUE_TYPE (real_value)));
break;
case G_TYPE_UINT:
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_int (retval, g_value_get_uint (real_value));
break;
case G_TYPE_LONG:
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_int (retval, g_value_get_long (real_value));
break;
case G_TYPE_ULONG:
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_int (retval, g_value_get_long (real_value));
break;
case G_TYPE_CHAR:
retval = json_node_new (JSON_NODE_VALUE);
#if GLIB_CHECK_VERSION (2, 31, 0)
json_node_set_int (retval, g_value_get_schar (real_value));
#else
json_node_set_int (retval, g_value_get_char (real_value));
#endif
break;
case G_TYPE_UCHAR:
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_int (retval, g_value_get_uchar (real_value));
break;
case G_TYPE_ENUM:
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_int (retval, g_value_get_enum (real_value));
break;
case G_TYPE_FLAGS:
retval = json_node_new (JSON_NODE_VALUE);
json_node_set_int (retval, g_value_get_flags (real_value));
break;
case G_TYPE_OBJECT:
{
GObject *object = g_value_get_object (real_value);
if (object != NULL) {
retval = json_node_new (JSON_NODE_OBJECT);
json_node_take_object (retval, gss_json_gobject_dump (object));
} else
retval = json_node_new (JSON_NODE_NULL);
}
break;
case G_TYPE_NONE:
retval = json_node_new (JSON_NODE_NULL);
break;
default:
g_warning ("Unsupported type `%s'",
g_type_name (G_VALUE_TYPE (real_value)));
break;
}
return retval;
}
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