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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* soup-connection-auth.c: Abstract base class for hacky Microsoft
* connection-based auth mechanisms (NTLM and Negotiate)
*
* Copyright (C) 2010 Red Hat, Inc.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ctype.h>
#include <string.h>
#include "soup-connection-auth.h"
#include "soup.h"
#include "soup-connection.h"
#include "soup-message-private.h"
struct SoupConnectionAuthPrivate {
GHashTable *conns;
};
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (SoupConnectionAuth, soup_connection_auth, SOUP_TYPE_AUTH)
static void
soup_connection_auth_init (SoupConnectionAuth *auth)
{
auth->priv = soup_connection_auth_get_instance_private (auth);
auth->priv->conns = g_hash_table_new (NULL, NULL);
}
static void connection_disconnected (SoupConnection *conn, gpointer user_data);
static void
soup_connection_auth_free_connection_state (SoupConnectionAuth *auth,
SoupConnection *conn,
gpointer state)
{
g_signal_handlers_disconnect_by_func (conn, G_CALLBACK (connection_disconnected), auth);
SOUP_CONNECTION_AUTH_GET_CLASS (auth)->free_connection_state (auth, state);
}
static void
connection_disconnected (SoupConnection *conn, gpointer user_data)
{
SoupConnectionAuth *auth = user_data;
gpointer state;
state = g_hash_table_lookup (auth->priv->conns, conn);
g_hash_table_remove (auth->priv->conns, conn);
soup_connection_auth_free_connection_state (auth, conn, state);
}
static void
soup_connection_auth_finalize (GObject *object)
{
SoupConnectionAuth *auth = SOUP_CONNECTION_AUTH (object);
GHashTableIter iter;
gpointer conn, state;
g_hash_table_iter_init (&iter, auth->priv->conns);
while (g_hash_table_iter_next (&iter, &conn, &state)) {
soup_connection_auth_free_connection_state (auth, conn, state);
g_hash_table_iter_remove (&iter);
}
g_hash_table_destroy (auth->priv->conns);
G_OBJECT_CLASS (soup_connection_auth_parent_class)->finalize (object);
}
/**
* soup_connection_auth_get_connection_state_for_message:
* @auth: a #SoupConnectionAuth
* @msg: a #SoupMessage
*
* Returns an associated connection state object for the given @auth and @msg.
*
* This function is only useful from within implementations of SoupConnectionAuth
* subclasses.
*
* Return value: (transfer none): the connection state
*
* Since: 2.58
**/
gpointer
soup_connection_auth_get_connection_state_for_message (SoupConnectionAuth *auth,
SoupMessage *msg)
{
SoupConnection *conn;
gpointer state;
g_return_val_if_fail (SOUP_IS_CONNECTION_AUTH (auth), NULL);
g_return_val_if_fail (SOUP_IS_MESSAGE (msg), NULL);
conn = soup_message_get_connection (msg);
state = g_hash_table_lookup (auth->priv->conns, conn);
if (state)
return state;
state = SOUP_CONNECTION_AUTH_GET_CLASS (auth)->create_connection_state (auth);
if (conn) {
g_signal_connect (conn, "disconnected",
G_CALLBACK (connection_disconnected), auth);
}
g_hash_table_insert (auth->priv->conns, conn, state);
return state;
}
static gboolean
soup_connection_auth_update (SoupAuth *auth,
SoupMessage *msg,
GHashTable *auth_params)
{
SoupConnectionAuth *cauth = SOUP_CONNECTION_AUTH (auth);
gpointer conn = soup_connection_auth_get_connection_state_for_message (cauth, msg);
GHashTableIter iter;
GString *auth_header;
gpointer key, value;
gboolean result;
/* Recreate @auth_header out of @auth_params. If the
* base64 data ended with 1 or more "="s, then it
* will have been parsed as key=value. Otherwise
* it will all have been parsed as key, and value
* will be %NULL.
*/
auth_header = g_string_new (soup_auth_get_scheme_name (auth));
g_hash_table_iter_init (&iter, auth_params);
if (g_hash_table_iter_next (&iter, &key, &value)) {
if (value) {
g_string_append_printf (auth_header, " %s=%s",
(char *)key,
(char *)value);
} else {
g_string_append_printf (auth_header, " %s",
(char *)key);
}
if (g_hash_table_iter_next (&iter, &key, &value)) {
g_string_free (auth_header, TRUE);
return FALSE;
}
}
result = SOUP_CONNECTION_AUTH_GET_CLASS (auth)->
update_connection (cauth, msg, auth_header->str, conn);
g_string_free (auth_header, TRUE);
return result;
}
static char *
soup_connection_auth_get_authorization (SoupAuth *auth,
SoupMessage *msg)
{
SoupConnectionAuth *cauth = SOUP_CONNECTION_AUTH (auth);
gpointer conn = soup_connection_auth_get_connection_state_for_message (cauth, msg);
return SOUP_CONNECTION_AUTH_GET_CLASS (auth)->
get_connection_authorization (cauth, msg, conn);
}
static gboolean
soup_connection_auth_is_ready (SoupAuth *auth,
SoupMessage *msg)
{
SoupConnectionAuth *cauth = SOUP_CONNECTION_AUTH (auth);
gpointer conn = soup_connection_auth_get_connection_state_for_message (cauth, msg);
return SOUP_CONNECTION_AUTH_GET_CLASS (auth)->
is_connection_ready (SOUP_CONNECTION_AUTH (auth), msg, conn);
}
static void
soup_connection_auth_class_init (SoupConnectionAuthClass *connauth_class)
{
SoupAuthClass *auth_class = SOUP_AUTH_CLASS (connauth_class);
GObjectClass *object_class = G_OBJECT_CLASS (connauth_class);
auth_class->update = soup_connection_auth_update;
auth_class->get_authorization = soup_connection_auth_get_authorization;
auth_class->is_ready = soup_connection_auth_is_ready;
object_class->finalize = soup_connection_auth_finalize;
}
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