124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
|
/*
|
||
|
|
* Asterisk -- An open source telephony toolkit.
|
||
|
|
*
|
||
|
|
* Copyright (C) 1999 - 2006, Digium, Inc.
|
||
|
|
*
|
||
|
|
* Created by Olle E. Johansson, Edvina.net
|
||
|
|
*
|
||
|
|
* See http://www.asterisk.org for more information about
|
||
|
|
* the Asterisk project. Please do not directly contact
|
||
|
|
* any of the maintainers of this project for assistance;
|
||
|
|
* the project provides a web site, mailing lists and IRC
|
||
|
|
* channels for your use.
|
||
|
|
*
|
||
|
|
* This program is free software, distributed under the terms of
|
||
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
||
|
|
* at the top of the source tree.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*! \file
|
||
|
|
*
|
||
|
|
* \brief URI encoding / decoding
|
||
|
|
*
|
||
|
|
* \author Olle E. Johansson <oej@edvina.net>
|
||
|
|
*
|
||
|
|
* \note For now this code only supports 8 bit characters, not unicode,
|
||
|
|
which we ultimately will need to support.
|
||
|
|
*
|
||
|
|
* \ingroup functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*** MODULEINFO
|
||
|
|
<support_level>core</support_level>
|
||
|
|
***/
|
||
|
|
|
||
|
|
#include "asterisk.h"
|
||
|
|
|
||
|
|
#include "asterisk/module.h"
|
||
|
|
#include "asterisk/channel.h"
|
||
|
|
#include "asterisk/pbx.h"
|
||
|
|
#include "asterisk/utils.h"
|
||
|
|
#include "asterisk/app.h"
|
||
|
|
|
||
|
|
/*** DOCUMENTATION
|
||
|
|
<function name="URIENCODE" language="en_US">
|
||
|
|
<synopsis>
|
||
|
|
Encodes a string to URI-safe encoding according to RFC 2396.
|
||
|
|
</synopsis>
|
||
|
|
<syntax>
|
||
|
|
<parameter name="data" required="true">
|
||
|
|
<para>Input string to be encoded.</para>
|
||
|
|
</parameter>
|
||
|
|
</syntax>
|
||
|
|
<description>
|
||
|
|
<para>Returns the encoded string defined in <replaceable>data</replaceable>.</para>
|
||
|
|
</description>
|
||
|
|
</function>
|
||
|
|
<function name="URIDECODE" language="en_US">
|
||
|
|
<synopsis>
|
||
|
|
Decodes a URI-encoded string according to RFC 2396.
|
||
|
|
</synopsis>
|
||
|
|
<syntax>
|
||
|
|
<parameter name="data" required="true">
|
||
|
|
<para>Input string to be decoded.</para>
|
||
|
|
</parameter>
|
||
|
|
</syntax>
|
||
|
|
<description>
|
||
|
|
<para>Returns the decoded URI-encoded <replaceable>data</replaceable> string.</para>
|
||
|
|
</description>
|
||
|
|
</function>
|
||
|
|
***/
|
||
|
|
|
||
|
|
/*! \brief uriencode: Encode URL according to RFC 2396 */
|
||
|
|
static int uriencode(struct ast_channel *chan, const char *cmd, char *data,
|
||
|
|
char *buf, size_t len)
|
||
|
|
{
|
||
|
|
if (ast_strlen_zero(data)) {
|
||
|
|
buf[0] = '\0';
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ast_uri_encode(data, buf, len, ast_uri_http);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*!\brief uridecode: Decode URI according to RFC 2396 */
|
||
|
|
static int uridecode(struct ast_channel *chan, const char *cmd, char *data,
|
||
|
|
char *buf, size_t len)
|
||
|
|
{
|
||
|
|
if (ast_strlen_zero(data)) {
|
||
|
|
buf[0] = '\0';
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ast_copy_string(buf, data, len);
|
||
|
|
ast_uri_decode(buf, ast_uri_http);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct ast_custom_function urldecode_function = {
|
||
|
|
.name = "URIDECODE",
|
||
|
|
.read = uridecode,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct ast_custom_function urlencode_function = {
|
||
|
|
.name = "URIENCODE",
|
||
|
|
.read = uriencode,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int unload_module(void)
|
||
|
|
{
|
||
|
|
return ast_custom_function_unregister(&urldecode_function)
|
||
|
|
|| ast_custom_function_unregister(&urlencode_function);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int load_module(void)
|
||
|
|
{
|
||
|
|
return ast_custom_function_register(&urldecode_function)
|
||
|
|
|| ast_custom_function_register(&urlencode_function);
|
||
|
|
}
|
||
|
|
|
||
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "URI encode/decode dialplan functions");
|