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fdf6a793dc
volatile is not sufficient to provide atomic guarantees and real atomics should be used instead. GCC 11 has started warning about using volatile with atomic operations. https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719 Discovered in https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/868 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/793>
2949 lines
81 KiB
C
2949 lines
81 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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* Copyright (C) 2011 Tim-Philipp Müller <tim centricular net>
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* Copyright (C) 2014 David Waring, British Broadcasting Corporation
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* <david.waring@rd.bbc.co.uk>
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*
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* gsturi.c: register URI handlers and IETF RFC 3986 URI manipulations.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:gsturihandler
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* @title: GstUriHandler
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* @short_description: Interface to ease URI handling in plugins.
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*
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* The #GstURIHandler is an interface that is implemented by Source and Sink
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* #GstElement to unify handling of URI.
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*
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* An application can use the following functions to quickly get an element
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* that handles the given URI for reading or writing
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* (gst_element_make_from_uri()).
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*
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* Source and Sink plugins should implement this interface when possible.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#define GST_DISABLE_MINIOBJECT_INLINE_FUNCTIONS
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#include "gst_private.h"
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#include "gst.h"
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#include "gsturi.h"
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#include "gstinfo.h"
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#include "gstregistry.h"
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#include "gst-i18n-lib.h"
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#include <string.h>
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#include <glib.h>
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#include <glib/gprintf.h>
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GST_DEBUG_CATEGORY_STATIC (gst_uri_handler_debug);
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#define GST_CAT_DEFAULT gst_uri_handler_debug
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#ifndef HAVE_STRCASESTR
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#define strcasestr _gst_ascii_strcasestr
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/* From https://github.com/freebsd/freebsd/blob/master/contrib/file/src/strcasestr.c
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* Updated to use GLib types and GLib string functions
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*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Find the first occurrence of find in s, ignore case.
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*/
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static gchar *
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_gst_ascii_strcasestr (const gchar * s, const gchar * find)
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{
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gchar c, sc;
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gsize len;
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if ((c = *find++) != 0) {
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c = g_ascii_tolower (c);
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len = strlen (find);
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do {
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do {
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if ((sc = *s++) == 0)
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return (NULL);
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} while (g_ascii_tolower (sc) != c);
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} while (g_ascii_strncasecmp (s, find, len) != 0);
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s--;
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}
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return (gchar *) (gintptr) (s);
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}
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#endif
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GType
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gst_uri_handler_get_type (void)
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{
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static gsize urihandler_type = 0;
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if (g_once_init_enter (&urihandler_type)) {
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GType _type;
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static const GTypeInfo urihandler_info = {
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sizeof (GstURIHandlerInterface),
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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0,
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NULL,
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NULL
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};
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_type = g_type_register_static (G_TYPE_INTERFACE,
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"GstURIHandler", &urihandler_info, 0);
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GST_DEBUG_CATEGORY_INIT (gst_uri_handler_debug, "GST_URI", GST_DEBUG_BOLD,
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"handling of URIs");
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g_once_init_leave (&urihandler_type, _type);
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}
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return urihandler_type;
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}
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GQuark
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gst_uri_error_quark (void)
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{
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return g_quark_from_static_string ("gst-uri-error-quark");
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}
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#define HEX_ESCAPE '%'
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#ifndef GST_REMOVE_DEPRECATED
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static const guchar acceptable[96] = { /* X0 X1 X2 X3 X4 X5 X6 X7 X8 X9 XA XB XC XD XE XF */
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0x00, 0x3F, 0x20, 0x20, 0x20, 0x00, 0x2C, 0x3F, 0x3F, 0x3F, 0x3F, 0x22, 0x20, 0x3F, 0x3F, 0x1C, /* 2X !"#$%&'()*+,-./ */
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0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x38, 0x20, 0x20, 0x2C, 0x20, 0x2C, /* 3X 0123456789:;<=>? */
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0x30, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, /* 4X @ABCDEFGHIJKLMNO */
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0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x20, 0x20, 0x20, 0x20, 0x3F, /* 5X PQRSTUVWXYZ[\]^_ */
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0x20, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, /* 6X `abcdefghijklmno */
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0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x20, 0x20, 0x20, 0x3F, 0x20 /* 7X pqrstuvwxyz{|}~DEL */
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};
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typedef enum
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{
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UNSAFE_ALL = 0x1, /* Escape all unsafe characters */
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UNSAFE_ALLOW_PLUS = 0x2, /* Allows '+' */
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UNSAFE_PATH = 0x4, /* Allows '/' and '?' and '&' and '=' */
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UNSAFE_DOS_PATH = 0x8, /* Allows '/' and '?' and '&' and '=' and ':' */
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UNSAFE_HOST = 0x10, /* Allows '/' and ':' and '@' */
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UNSAFE_SLASHES = 0x20 /* Allows all characters except for '/' and '%' */
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} UnsafeCharacterSet;
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/* Escape undesirable characters using %
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* -------------------------------------
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*
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* This function takes a pointer to a string in which
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* some characters may be unacceptable unescaped.
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* It returns a string which has these characters
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* represented by a '%' character followed by two hex digits.
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*
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* This routine returns a g_malloced string.
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*/
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static const gchar hex[16] = "0123456789ABCDEF";
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static gchar *
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escape_string_internal (const gchar * string, UnsafeCharacterSet mask)
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{
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#define ACCEPTABLE_CHAR(a) ((a)>=32 && (a)<128 && (acceptable[(a)-32] & use_mask))
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const gchar *p;
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gchar *q;
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gchar *result;
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guchar c;
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gint unacceptable;
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UnsafeCharacterSet use_mask;
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g_return_val_if_fail (mask == UNSAFE_ALL
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|| mask == UNSAFE_ALLOW_PLUS
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|| mask == UNSAFE_PATH
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|| mask == UNSAFE_DOS_PATH
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|| mask == UNSAFE_HOST || mask == UNSAFE_SLASHES, NULL);
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if (string == NULL) {
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return NULL;
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}
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unacceptable = 0;
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use_mask = mask;
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for (p = string; *p != '\0'; p++) {
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c = *p;
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if (!ACCEPTABLE_CHAR (c)) {
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unacceptable++;
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}
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if ((use_mask == UNSAFE_HOST) && (unacceptable || (c == '/'))) {
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/* when escaping a host, if we hit something that needs to be escaped, or we finally
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* hit a path separator, revert to path mode (the host segment of the url is over).
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*/
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use_mask = UNSAFE_PATH;
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}
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}
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result = g_malloc (p - string + unacceptable * 2 + 1);
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use_mask = mask;
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for (q = result, p = string; *p != '\0'; p++) {
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c = *p;
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if (!ACCEPTABLE_CHAR (c)) {
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*q++ = HEX_ESCAPE; /* means hex coming */
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*q++ = hex[c >> 4];
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*q++ = hex[c & 15];
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} else {
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*q++ = c;
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}
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if ((use_mask == UNSAFE_HOST) && (!ACCEPTABLE_CHAR (c) || (c == '/'))) {
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use_mask = UNSAFE_PATH;
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}
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}
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*q = '\0';
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return result;
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}
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#endif
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static int
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hex_to_int (gchar c)
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{
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return c >= '0' && c <= '9' ? c - '0'
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: c >= 'A' && c <= 'F' ? c - 'A' + 10
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: c >= 'a' && c <= 'f' ? c - 'a' + 10 : -1;
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}
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static int
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unescape_character (const char *scanner)
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{
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int first_digit;
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int second_digit;
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first_digit = hex_to_int (*scanner++);
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if (first_digit < 0) {
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return -1;
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}
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second_digit = hex_to_int (*scanner);
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if (second_digit < 0) {
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return -1;
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}
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return (first_digit << 4) | second_digit;
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}
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/* unescape_string:
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* @escaped_string: an escaped URI, path, or other string
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* @illegal_characters: a string containing a sequence of characters
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* considered "illegal", '\0' is automatically in this list.
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*
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* Decodes escaped characters (i.e. PERCENTxx sequences) in @escaped_string.
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* Characters are encoded in PERCENTxy form, where xy is the ASCII hex code
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* for character 16x+y.
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*
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* Return value: (nullable): a newly allocated string with the
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* unescaped equivalents, or %NULL if @escaped_string contained one of
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* the characters in @illegal_characters.
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**/
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static char *
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unescape_string (const gchar * escaped_string, const gchar * illegal_characters)
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{
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const gchar *in;
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gchar *out, *result;
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gint character;
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if (escaped_string == NULL) {
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return NULL;
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}
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result = g_malloc (strlen (escaped_string) + 1);
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out = result;
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for (in = escaped_string; *in != '\0'; in++) {
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character = *in;
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if (*in == HEX_ESCAPE) {
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character = unescape_character (in + 1);
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/* Check for an illegal character. We consider '\0' illegal here. */
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if (character <= 0
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|| (illegal_characters != NULL
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&& strchr (illegal_characters, (char) character) != NULL)) {
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g_free (result);
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return NULL;
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}
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in += 2;
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}
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*out++ = (char) character;
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}
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*out = '\0';
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g_assert ((gsize) (out - result) <= strlen (escaped_string));
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return result;
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}
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static void
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gst_uri_protocol_check_internal (const gchar * uri, gchar ** endptr)
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{
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gchar *check = (gchar *) uri;
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g_assert (uri != NULL);
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g_assert (endptr != NULL);
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if (g_ascii_isalpha (*check)) {
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check++;
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while (g_ascii_isalnum (*check) || *check == '+'
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|| *check == '-' || *check == '.')
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check++;
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}
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*endptr = check;
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}
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/**
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* gst_uri_protocol_is_valid:
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* @protocol: A string
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*
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* Tests if the given string is a valid protocol identifier. Protocols
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* must consist of alphanumeric characters, '+', '-' and '.' and must
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* start with a alphabetic character. See RFC 3986 Section 3.1.
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*
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* Returns: %TRUE if the string is a valid protocol identifier, %FALSE otherwise.
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*/
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gboolean
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gst_uri_protocol_is_valid (const gchar * protocol)
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{
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gchar *endptr;
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g_return_val_if_fail (protocol != NULL, FALSE);
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gst_uri_protocol_check_internal (protocol, &endptr);
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return *endptr == '\0' && ((gsize) (endptr - protocol)) >= 2;
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}
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/**
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* gst_uri_is_valid:
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* @uri: A URI string
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*
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* Tests if the given string is a valid URI identifier. URIs start with a valid
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* scheme followed by ":" and maybe a string identifying the location.
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*
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* Returns: %TRUE if the string is a valid URI
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*/
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gboolean
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gst_uri_is_valid (const gchar * uri)
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{
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gchar *endptr;
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g_return_val_if_fail (uri != NULL, FALSE);
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gst_uri_protocol_check_internal (uri, &endptr);
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return *endptr == ':' && ((gsize) (endptr - uri)) >= 2;
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}
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|
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/**
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* gst_uri_get_protocol:
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* @uri: A URI string
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*
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* Extracts the protocol out of a given valid URI. The returned string must be
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* freed using g_free().
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*
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* Returns: (nullable): The protocol for this URI.
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*/
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gchar *
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gst_uri_get_protocol (const gchar * uri)
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{
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gchar *colon;
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g_return_val_if_fail (uri != NULL, NULL);
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g_return_val_if_fail (gst_uri_is_valid (uri), NULL);
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colon = strstr (uri, ":");
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return g_ascii_strdown (uri, colon - uri);
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}
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|
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/**
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* gst_uri_has_protocol:
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* @uri: a URI string
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* @protocol: a protocol string (e.g. "http")
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*
|
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* Checks if the protocol of a given valid URI matches @protocol.
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*
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* Returns: %TRUE if the protocol matches.
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*/
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gboolean
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gst_uri_has_protocol (const gchar * uri, const gchar * protocol)
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{
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gchar *colon;
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g_return_val_if_fail (uri != NULL, FALSE);
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g_return_val_if_fail (protocol != NULL, FALSE);
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g_return_val_if_fail (gst_uri_is_valid (uri), FALSE);
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colon = strstr (uri, ":");
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|
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if (colon == NULL)
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return FALSE;
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return (g_ascii_strncasecmp (uri, protocol, (gsize) (colon - uri)) == 0);
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}
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|
|
/**
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* gst_uri_get_location:
|
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* @uri: A URI string
|
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*
|
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* Extracts the location out of a given valid URI, ie. the protocol and "://"
|
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* are stripped from the URI, which means that the location returned includes
|
|
* the hostname if one is specified. The returned string must be freed using
|
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* g_free().
|
|
*
|
|
* Free-function: g_free
|
|
*
|
|
* Returns: (transfer full) (nullable): the location for this URI. Returns
|
|
* %NULL if the URI isn't valid. If the URI does not contain a location, an
|
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* empty string is returned.
|
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*/
|
|
gchar *
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gst_uri_get_location (const gchar * uri)
|
|
{
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const gchar *colon;
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gchar *unescaped = NULL;
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|
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g_return_val_if_fail (uri != NULL, NULL);
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g_return_val_if_fail (gst_uri_is_valid (uri), NULL);
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colon = strstr (uri, "://");
|
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if (!colon)
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return NULL;
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|
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unescaped = unescape_string (colon + 3, "/");
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|
|
/* On Windows an URI might look like file:///c:/foo/bar.txt or
|
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* file:///c|/foo/bar.txt (some Netscape versions) and we want to
|
|
* return c:/foo/bar.txt as location rather than /c:/foo/bar.txt.
|
|
* Can't use g_filename_from_uri() here because it will only handle the
|
|
* file:// protocol */
|
|
#ifdef G_OS_WIN32
|
|
if (unescaped != NULL && unescaped[0] == '/' &&
|
|
g_ascii_isalpha (unescaped[1]) &&
|
|
(unescaped[2] == ':' || unescaped[2] == '|')) {
|
|
unescaped[2] = ':';
|
|
memmove (unescaped, unescaped + 1, strlen (unescaped + 1) + 1);
|
|
}
|
|
#endif
|
|
|
|
GST_LOG ("extracted location '%s' from URI '%s'", GST_STR_NULL (unescaped),
|
|
uri);
|
|
return unescaped;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_construct:
|
|
* @protocol: Protocol for URI
|
|
* @location: (transfer none): Location for URI
|
|
*
|
|
* Constructs a URI for a given valid protocol and location.
|
|
*
|
|
* Free-function: g_free
|
|
*
|
|
* Returns: (transfer full): a new string for this URI. Returns %NULL if the
|
|
* given URI protocol is not valid, or the given location is %NULL.
|
|
*
|
|
* Deprecated: Use GstURI instead.
|
|
*/
|
|
#ifndef GST_REMOVE_DEPRECATED
|
|
gchar *
|
|
gst_uri_construct (const gchar * protocol, const gchar * location)
|
|
{
|
|
char *escaped, *proto_lowercase;
|
|
char *retval;
|
|
|
|
g_return_val_if_fail (gst_uri_protocol_is_valid (protocol), NULL);
|
|
g_return_val_if_fail (location != NULL, NULL);
|
|
|
|
proto_lowercase = g_ascii_strdown (protocol, -1);
|
|
escaped = escape_string_internal (location, UNSAFE_PATH);
|
|
retval = g_strdup_printf ("%s://%s", proto_lowercase, escaped);
|
|
g_free (escaped);
|
|
g_free (proto_lowercase);
|
|
|
|
return retval;
|
|
}
|
|
#endif
|
|
|
|
typedef struct
|
|
{
|
|
GstURIType type;
|
|
const gchar *protocol;
|
|
}
|
|
SearchEntry;
|
|
|
|
static gboolean
|
|
search_by_entry (GstPluginFeature * feature, gpointer search_entry)
|
|
{
|
|
const gchar *const *protocols;
|
|
GstElementFactory *factory;
|
|
SearchEntry *entry = (SearchEntry *) search_entry;
|
|
|
|
if (!GST_IS_ELEMENT_FACTORY (feature))
|
|
return FALSE;
|
|
factory = GST_ELEMENT_FACTORY_CAST (feature);
|
|
|
|
if (factory->uri_type != entry->type)
|
|
return FALSE;
|
|
|
|
protocols = gst_element_factory_get_uri_protocols (factory);
|
|
|
|
if (protocols == NULL) {
|
|
g_warning ("Factory '%s' implements GstUriHandler interface but returned "
|
|
"no supported protocols!", gst_plugin_feature_get_name (feature));
|
|
return FALSE;
|
|
}
|
|
|
|
while (*protocols != NULL) {
|
|
if (g_ascii_strcasecmp (*protocols, entry->protocol) == 0)
|
|
return TRUE;
|
|
protocols++;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
sort_by_rank (GstPluginFeature * first, GstPluginFeature * second)
|
|
{
|
|
return gst_plugin_feature_get_rank (second) -
|
|
gst_plugin_feature_get_rank (first);
|
|
}
|
|
|
|
static GList *
|
|
get_element_factories_from_uri_protocol (const GstURIType type,
|
|
const gchar * protocol)
|
|
{
|
|
GList *possibilities;
|
|
SearchEntry entry;
|
|
|
|
g_return_val_if_fail (protocol, NULL);
|
|
|
|
entry.type = type;
|
|
entry.protocol = protocol;
|
|
possibilities = gst_registry_feature_filter (gst_registry_get (),
|
|
search_by_entry, FALSE, &entry);
|
|
|
|
return possibilities;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_protocol_is_supported:
|
|
* @type: Whether to check for a source or a sink
|
|
* @protocol: Protocol that should be checked for (e.g. "http" or "smb")
|
|
*
|
|
* Checks if an element exists that supports the given URI protocol. Note
|
|
* that a positive return value does not imply that a subsequent call to
|
|
* gst_element_make_from_uri() is guaranteed to work.
|
|
*
|
|
* Returns: %TRUE
|
|
*/
|
|
gboolean
|
|
gst_uri_protocol_is_supported (const GstURIType type, const gchar * protocol)
|
|
{
|
|
GList *possibilities;
|
|
|
|
g_return_val_if_fail (protocol, FALSE);
|
|
|
|
possibilities = get_element_factories_from_uri_protocol (type, protocol);
|
|
|
|
if (possibilities) {
|
|
g_list_free (possibilities);
|
|
return TRUE;
|
|
} else
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* gst_element_make_from_uri:
|
|
* @type: Whether to create a source or a sink
|
|
* @uri: URI to create an element for
|
|
* @elementname: (allow-none): Name of created element, can be %NULL.
|
|
* @error: (allow-none): address where to store error information, or %NULL.
|
|
*
|
|
* Creates an element for handling the given URI.
|
|
*
|
|
* Returns: (transfer floating): a new element or %NULL if none
|
|
* could be created
|
|
*/
|
|
GstElement *
|
|
gst_element_make_from_uri (const GstURIType type, const gchar * uri,
|
|
const gchar * elementname, GError ** error)
|
|
{
|
|
GList *possibilities, *walk;
|
|
gchar *protocol;
|
|
GstElement *ret = NULL;
|
|
|
|
g_return_val_if_fail (gst_is_initialized (), NULL);
|
|
g_return_val_if_fail (GST_URI_TYPE_IS_VALID (type), NULL);
|
|
g_return_val_if_fail (gst_uri_is_valid (uri), NULL);
|
|
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
|
|
|
|
GST_DEBUG ("type:%d, uri:%s, elementname:%s", type, uri, elementname);
|
|
|
|
protocol = gst_uri_get_protocol (uri);
|
|
possibilities = get_element_factories_from_uri_protocol (type, protocol);
|
|
|
|
if (!possibilities) {
|
|
GST_DEBUG ("No %s for URI '%s'", type == GST_URI_SINK ? "sink" : "source",
|
|
uri);
|
|
/* The error message isn't great, but we don't expect applications to
|
|
* show that error to users, but call the missing plugins functions */
|
|
g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_UNSUPPORTED_PROTOCOL,
|
|
_("No URI handler for the %s protocol found"), protocol);
|
|
g_free (protocol);
|
|
return NULL;
|
|
}
|
|
g_free (protocol);
|
|
|
|
possibilities = g_list_sort (possibilities, (GCompareFunc) sort_by_rank);
|
|
walk = possibilities;
|
|
while (walk) {
|
|
GstElementFactory *factory = walk->data;
|
|
GError *uri_err = NULL;
|
|
|
|
ret = gst_element_factory_create (factory, elementname);
|
|
if (ret != NULL) {
|
|
GstURIHandler *handler = GST_URI_HANDLER (ret);
|
|
|
|
if (gst_uri_handler_set_uri (handler, uri, &uri_err))
|
|
break;
|
|
|
|
GST_WARNING ("%s didn't accept URI '%s': %s", GST_OBJECT_NAME (ret), uri,
|
|
uri_err->message);
|
|
|
|
if (error != NULL && *error == NULL)
|
|
g_propagate_error (error, uri_err);
|
|
else
|
|
g_error_free (uri_err);
|
|
|
|
gst_object_unref (ret);
|
|
ret = NULL;
|
|
}
|
|
walk = walk->next;
|
|
}
|
|
gst_plugin_feature_list_free (possibilities);
|
|
|
|
GST_LOG_OBJECT (ret, "created %s for URL '%s'",
|
|
type == GST_URI_SINK ? "sink" : "source", uri);
|
|
|
|
/* if the first handler didn't work, but we found another one that works */
|
|
if (ret != NULL)
|
|
g_clear_error (error);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_handler_get_uri_type:
|
|
* @handler: A #GstURIHandler.
|
|
*
|
|
* Gets the type of the given URI handler
|
|
*
|
|
* Returns: the #GstURIType of the URI handler.
|
|
* Returns #GST_URI_UNKNOWN if the @handler isn't implemented correctly.
|
|
*/
|
|
GstURIType
|
|
gst_uri_handler_get_uri_type (GstURIHandler * handler)
|
|
{
|
|
GstURIHandlerInterface *iface;
|
|
GstURIType ret;
|
|
|
|
g_return_val_if_fail (GST_IS_URI_HANDLER (handler), GST_URI_UNKNOWN);
|
|
|
|
iface = GST_URI_HANDLER_GET_INTERFACE (handler);
|
|
g_return_val_if_fail (iface != NULL, GST_URI_UNKNOWN);
|
|
g_return_val_if_fail (iface->get_type != NULL, GST_URI_UNKNOWN);
|
|
|
|
ret = iface->get_type (G_OBJECT_TYPE (handler));
|
|
g_return_val_if_fail (GST_URI_TYPE_IS_VALID (ret), GST_URI_UNKNOWN);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_handler_get_protocols:
|
|
* @handler: A #GstURIHandler.
|
|
*
|
|
* Gets the list of protocols supported by @handler. This list may not be
|
|
* modified.
|
|
*
|
|
* Returns: (transfer none) (element-type utf8) (nullable): the
|
|
* supported protocols. Returns %NULL if the @handler isn't
|
|
* implemented properly, or the @handler doesn't support any
|
|
* protocols.
|
|
*/
|
|
const gchar *const *
|
|
gst_uri_handler_get_protocols (GstURIHandler * handler)
|
|
{
|
|
GstURIHandlerInterface *iface;
|
|
const gchar *const *ret;
|
|
|
|
g_return_val_if_fail (GST_IS_URI_HANDLER (handler), NULL);
|
|
|
|
iface = GST_URI_HANDLER_GET_INTERFACE (handler);
|
|
g_return_val_if_fail (iface != NULL, NULL);
|
|
g_return_val_if_fail (iface->get_protocols != NULL, NULL);
|
|
|
|
ret = iface->get_protocols (G_OBJECT_TYPE (handler));
|
|
g_return_val_if_fail (ret != NULL, NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_handler_get_uri:
|
|
* @handler: A #GstURIHandler
|
|
*
|
|
* Gets the currently handled URI.
|
|
*
|
|
* Returns: (transfer full) (nullable): the URI currently handled by
|
|
* the @handler. Returns %NULL if there are no URI currently
|
|
* handled. The returned string must be freed with g_free() when no
|
|
* longer needed.
|
|
*/
|
|
gchar *
|
|
gst_uri_handler_get_uri (GstURIHandler * handler)
|
|
{
|
|
GstURIHandlerInterface *iface;
|
|
gchar *ret;
|
|
|
|
g_return_val_if_fail (GST_IS_URI_HANDLER (handler), NULL);
|
|
|
|
iface = GST_URI_HANDLER_GET_INTERFACE (handler);
|
|
g_return_val_if_fail (iface != NULL, NULL);
|
|
g_return_val_if_fail (iface->get_uri != NULL, NULL);
|
|
ret = iface->get_uri (handler);
|
|
if (ret != NULL)
|
|
g_return_val_if_fail (gst_uri_is_valid (ret), NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_handler_set_uri:
|
|
* @handler: A #GstURIHandler
|
|
* @uri: URI to set
|
|
* @error: (allow-none): address where to store a #GError in case of
|
|
* an error, or %NULL
|
|
*
|
|
* Tries to set the URI of the given handler.
|
|
*
|
|
* Returns: %TRUE if the URI was set successfully, else %FALSE.
|
|
*/
|
|
gboolean
|
|
gst_uri_handler_set_uri (GstURIHandler * handler, const gchar * uri,
|
|
GError ** error)
|
|
{
|
|
GstURIHandlerInterface *iface;
|
|
gboolean ret;
|
|
gchar *protocol;
|
|
|
|
g_return_val_if_fail (GST_IS_URI_HANDLER (handler), FALSE);
|
|
g_return_val_if_fail (gst_uri_is_valid (uri), FALSE);
|
|
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
|
|
|
|
iface = GST_URI_HANDLER_GET_INTERFACE (handler);
|
|
g_return_val_if_fail (iface != NULL, FALSE);
|
|
g_return_val_if_fail (iface->set_uri != NULL, FALSE);
|
|
|
|
protocol = gst_uri_get_protocol (uri);
|
|
|
|
if (iface->get_protocols) {
|
|
const gchar *const *protocols;
|
|
const gchar *const *p;
|
|
gboolean found_protocol = FALSE;
|
|
|
|
protocols = iface->get_protocols (G_OBJECT_TYPE (handler));
|
|
if (protocols != NULL) {
|
|
for (p = protocols; *p != NULL; ++p) {
|
|
if (g_ascii_strcasecmp (protocol, *p) == 0) {
|
|
found_protocol = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found_protocol) {
|
|
g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_UNSUPPORTED_PROTOCOL,
|
|
_("URI scheme '%s' not supported"), protocol);
|
|
g_free (protocol);
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
ret = iface->set_uri (handler, uri, error);
|
|
|
|
g_free (protocol);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gchar *
|
|
gst_file_utils_canonicalise_path (const gchar * path)
|
|
{
|
|
gchar **parts, **p, *clean_path;
|
|
|
|
#ifdef G_OS_WIN32
|
|
{
|
|
GST_WARNING ("FIXME: canonicalise win32 path");
|
|
return g_strdup (path);
|
|
}
|
|
#endif
|
|
|
|
parts = g_strsplit (path, "/", -1);
|
|
|
|
p = parts;
|
|
while (*p != NULL) {
|
|
if (strcmp (*p, ".") == 0) {
|
|
/* just move all following parts on top of this, incl. NUL terminator */
|
|
g_free (*p);
|
|
memmove (p, p + 1, (g_strv_length (p + 1) + 1) * sizeof (gchar *));
|
|
/* re-check the new current part again in the next iteration */
|
|
continue;
|
|
} else if (strcmp (*p, "..") == 0 && p > parts) {
|
|
/* just move all following parts on top of the previous part, incl.
|
|
* NUL terminator */
|
|
g_free (*(p - 1));
|
|
g_free (*p);
|
|
memmove (p - 1, p + 1, (g_strv_length (p + 1) + 1) * sizeof (gchar *));
|
|
/* re-check the new current part again in the next iteration */
|
|
--p;
|
|
continue;
|
|
}
|
|
++p;
|
|
}
|
|
if (*path == '/') {
|
|
guint num_parts;
|
|
|
|
num_parts = g_strv_length (parts) + 1; /* incl. terminator */
|
|
parts = g_renew (gchar *, parts, num_parts + 1);
|
|
memmove (parts + 1, parts, num_parts * sizeof (gchar *));
|
|
parts[0] = g_strdup ("/");
|
|
}
|
|
|
|
clean_path = g_build_filenamev (parts);
|
|
g_strfreev (parts);
|
|
return clean_path;
|
|
}
|
|
|
|
static gboolean
|
|
file_path_contains_relatives (const gchar * path)
|
|
{
|
|
return (strstr (path, "/./") != NULL || strstr (path, "/../") != NULL ||
|
|
strstr (path, G_DIR_SEPARATOR_S "." G_DIR_SEPARATOR_S) != NULL ||
|
|
strstr (path, G_DIR_SEPARATOR_S ".." G_DIR_SEPARATOR_S) != NULL);
|
|
}
|
|
|
|
/**
|
|
* gst_filename_to_uri:
|
|
* @filename: (type filename): absolute or relative file name path
|
|
* @error: pointer to error, or %NULL
|
|
*
|
|
* Similar to g_filename_to_uri(), but attempts to handle relative file paths
|
|
* as well. Before converting @filename into an URI, it will be prefixed by
|
|
* the current working directory if it is a relative path, and then the path
|
|
* will be canonicalised so that it doesn't contain any './' or '../' segments.
|
|
*
|
|
* On Windows @filename should be in UTF-8 encoding.
|
|
*
|
|
* Returns: newly-allocated URI string, or NULL on error. The caller must
|
|
* free the URI string with g_free() when no longer needed.
|
|
*/
|
|
gchar *
|
|
gst_filename_to_uri (const gchar * filename, GError ** error)
|
|
{
|
|
gchar *abs_location = NULL;
|
|
gchar *uri, *abs_clean;
|
|
|
|
g_return_val_if_fail (filename != NULL, NULL);
|
|
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
|
|
|
|
if (g_path_is_absolute (filename)) {
|
|
if (!file_path_contains_relatives (filename)) {
|
|
uri = g_filename_to_uri (filename, NULL, error);
|
|
goto beach;
|
|
}
|
|
|
|
abs_location = g_strdup (filename);
|
|
} else {
|
|
gchar *cwd;
|
|
|
|
cwd = g_get_current_dir ();
|
|
abs_location = g_build_filename (cwd, filename, NULL);
|
|
g_free (cwd);
|
|
|
|
if (!file_path_contains_relatives (abs_location)) {
|
|
uri = g_filename_to_uri (abs_location, NULL, error);
|
|
goto beach;
|
|
}
|
|
}
|
|
|
|
/* path is now absolute, but contains '.' or '..' */
|
|
abs_clean = gst_file_utils_canonicalise_path (abs_location);
|
|
GST_LOG ("'%s' -> '%s' -> '%s'", filename, abs_location, abs_clean);
|
|
uri = g_filename_to_uri (abs_clean, NULL, error);
|
|
g_free (abs_clean);
|
|
|
|
beach:
|
|
|
|
g_free (abs_location);
|
|
GST_DEBUG ("'%s' -> '%s'", filename, uri);
|
|
return uri;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* GstUri - GstMiniObject to parse and merge URIs according to IETF RFC 3986
|
|
****************************************************************************/
|
|
|
|
/**
|
|
* SECTION:gsturi
|
|
* @title: GstUri
|
|
* @short_description: URI parsing and manipulation.
|
|
*
|
|
* A #GstUri object can be used to parse and split a URI string into its
|
|
* constituent parts. Two #GstUri objects can be joined to make a new #GstUri
|
|
* using the algorithm described in RFC3986.
|
|
*/
|
|
|
|
/* Definition for GstUri object */
|
|
struct _GstUri
|
|
{
|
|
/*< private > */
|
|
GstMiniObject mini_object;
|
|
gchar *scheme;
|
|
gchar *userinfo;
|
|
gchar *host;
|
|
guint port;
|
|
GList *path;
|
|
GHashTable *query;
|
|
gchar *fragment;
|
|
};
|
|
|
|
GST_DEFINE_MINI_OBJECT_TYPE (GstUri, gst_uri);
|
|
|
|
static GstUri *_gst_uri_copy (const GstUri * uri);
|
|
static void _gst_uri_free (GstUri * uri);
|
|
static GstUri *_gst_uri_new (void);
|
|
static GList *_remove_dot_segments (GList * path);
|
|
|
|
/* private GstUri functions */
|
|
|
|
static GstUri *
|
|
_gst_uri_new (void)
|
|
{
|
|
GstUri *uri;
|
|
|
|
g_return_val_if_fail (gst_is_initialized (), NULL);
|
|
|
|
uri = GST_URI_CAST (g_slice_new0 (GstUri));
|
|
|
|
if (uri)
|
|
gst_mini_object_init (GST_MINI_OBJECT_CAST (uri), 0, gst_uri_get_type (),
|
|
(GstMiniObjectCopyFunction) _gst_uri_copy, NULL,
|
|
(GstMiniObjectFreeFunction) _gst_uri_free);
|
|
|
|
return uri;
|
|
}
|
|
|
|
static void
|
|
_gst_uri_free (GstUri * uri)
|
|
{
|
|
g_return_if_fail (GST_IS_URI (uri));
|
|
|
|
g_free (uri->scheme);
|
|
g_free (uri->userinfo);
|
|
g_free (uri->host);
|
|
g_list_free_full (uri->path, g_free);
|
|
if (uri->query)
|
|
g_hash_table_unref (uri->query);
|
|
g_free (uri->fragment);
|
|
|
|
#ifdef USE_POISONING
|
|
memset (uri, 0xff, sizeof (*uri));
|
|
#endif
|
|
|
|
g_slice_free1 (sizeof (*uri), uri);
|
|
}
|
|
|
|
static GHashTable *
|
|
_gst_uri_copy_query_table (GHashTable * orig)
|
|
{
|
|
GHashTable *new = NULL;
|
|
|
|
if (orig != NULL) {
|
|
GHashTableIter iter;
|
|
gpointer key, value;
|
|
new = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
|
|
g_hash_table_iter_init (&iter, orig);
|
|
while (g_hash_table_iter_next (&iter, &key, &value)) {
|
|
g_hash_table_insert (new, g_strdup (key), g_strdup (value));
|
|
}
|
|
}
|
|
|
|
return new;
|
|
}
|
|
|
|
static GstUri *
|
|
_gst_uri_copy (const GstUri * orig_uri)
|
|
{
|
|
GstUri *new_uri;
|
|
|
|
g_return_val_if_fail (GST_IS_URI (orig_uri), NULL);
|
|
|
|
new_uri = _gst_uri_new ();
|
|
|
|
if (new_uri) {
|
|
new_uri->scheme = g_strdup (orig_uri->scheme);
|
|
new_uri->userinfo = g_strdup (orig_uri->userinfo);
|
|
new_uri->host = g_strdup (orig_uri->host);
|
|
new_uri->port = orig_uri->port;
|
|
new_uri->path = g_list_copy_deep (orig_uri->path, (GCopyFunc) g_strdup,
|
|
NULL);
|
|
new_uri->query = _gst_uri_copy_query_table (orig_uri->query);
|
|
new_uri->fragment = g_strdup (orig_uri->fragment);
|
|
}
|
|
|
|
return new_uri;
|
|
}
|
|
|
|
/*
|
|
* _gst_uri_compare_lists:
|
|
*
|
|
* Compare two lists for equality. This compares the two lists, item for item,
|
|
* comparing items in the same position in the two lists. If @first is
|
|
* considered less than @second the result will be negative. If @first is
|
|
* considered to be more than @second then the result will be positive. If the
|
|
* lists are considered to be equal then the result will be 0. If two lists
|
|
* have the same items, but one list is shorter than the other, then the
|
|
* shorter list is considered to be less than the longer list.
|
|
*/
|
|
static gint
|
|
_gst_uri_compare_lists (GList * first, GList * second, GCompareFunc cmp_fn)
|
|
{
|
|
GList *itr1, *itr2;
|
|
gint result;
|
|
|
|
for (itr1 = first, itr2 = second;
|
|
itr1 != NULL || itr2 != NULL; itr1 = itr1->next, itr2 = itr2->next) {
|
|
if (itr1 == NULL)
|
|
return -1;
|
|
if (itr2 == NULL)
|
|
return 1;
|
|
result = cmp_fn (itr1->data, itr2->data);
|
|
if (result != 0)
|
|
return result;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
typedef enum
|
|
{
|
|
_GST_URI_NORMALIZE_LOWERCASE = 1,
|
|
_GST_URI_NORMALIZE_UPPERCASE = 2
|
|
} _GstUriNormalizations;
|
|
|
|
/*
|
|
* Find the first character that hasn't been normalized according to the @flags.
|
|
*/
|
|
static gchar *
|
|
_gst_uri_first_non_normalized_char (gchar * str, guint flags)
|
|
{
|
|
gchar *pos;
|
|
|
|
if (str == NULL)
|
|
return NULL;
|
|
|
|
for (pos = str; *pos; pos++) {
|
|
if ((flags & _GST_URI_NORMALIZE_UPPERCASE) && g_ascii_islower (*pos))
|
|
return pos;
|
|
if ((flags & _GST_URI_NORMALIZE_LOWERCASE) && g_ascii_isupper (*pos))
|
|
return pos;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static gboolean
|
|
_gst_uri_normalize_lowercase (gchar * str)
|
|
{
|
|
gchar *pos;
|
|
gboolean ret = FALSE;
|
|
|
|
for (pos = _gst_uri_first_non_normalized_char (str,
|
|
_GST_URI_NORMALIZE_LOWERCASE);
|
|
pos != NULL;
|
|
pos = _gst_uri_first_non_normalized_char (pos + 1,
|
|
_GST_URI_NORMALIZE_LOWERCASE)) {
|
|
*pos = g_ascii_tolower (*pos);
|
|
ret = TRUE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define _gst_uri_normalize_scheme _gst_uri_normalize_lowercase
|
|
#define _gst_uri_normalize_hostname _gst_uri_normalize_lowercase
|
|
|
|
static gboolean
|
|
_gst_uri_normalize_path (GList ** path)
|
|
{
|
|
GList *new_path;
|
|
|
|
new_path = _remove_dot_segments (*path);
|
|
if (_gst_uri_compare_lists (new_path, *path, (GCompareFunc) g_strcmp0) != 0) {
|
|
g_list_free_full (*path, g_free);
|
|
*path = new_path;
|
|
return TRUE;
|
|
}
|
|
g_list_free_full (new_path, g_free);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
_gst_uri_normalize_str_noop (gchar * str)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
_gst_uri_normalize_table_noop (GHashTable * table)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
#define _gst_uri_normalize_userinfo _gst_uri_normalize_str_noop
|
|
#define _gst_uri_normalize_query _gst_uri_normalize_table_noop
|
|
#define _gst_uri_normalize_fragment _gst_uri_normalize_str_noop
|
|
|
|
/* RFC 3986 functions */
|
|
|
|
static GList *
|
|
_merge (GList * base, GList * path)
|
|
{
|
|
GList *ret, *path_copy, *last;
|
|
|
|
path_copy = g_list_copy_deep (path, (GCopyFunc) g_strdup, NULL);
|
|
/* if base is NULL make path absolute */
|
|
if (base == NULL) {
|
|
if (path_copy != NULL && path_copy->data != NULL) {
|
|
path_copy = g_list_prepend (path_copy, NULL);
|
|
}
|
|
return path_copy;
|
|
}
|
|
|
|
ret = g_list_copy_deep (base, (GCopyFunc) g_strdup, NULL);
|
|
last = g_list_last (ret);
|
|
ret = g_list_remove_link (ret, last);
|
|
g_list_free_full (last, g_free);
|
|
ret = g_list_concat (ret, path_copy);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static GList *
|
|
_remove_dot_segments (GList * path)
|
|
{
|
|
GList *out, *elem, *next;
|
|
|
|
if (path == NULL)
|
|
return NULL;
|
|
|
|
out = g_list_copy_deep (path, (GCopyFunc) g_strdup, NULL);
|
|
|
|
for (elem = out; elem; elem = next) {
|
|
next = elem->next;
|
|
if (elem->data == NULL && elem != out && next != NULL) {
|
|
out = g_list_delete_link (out, elem);
|
|
} else if (g_strcmp0 (elem->data, ".") == 0) {
|
|
g_free (elem->data);
|
|
out = g_list_delete_link (out, elem);
|
|
} else if (g_strcmp0 (elem->data, "..") == 0) {
|
|
GList *prev = g_list_previous (elem);
|
|
if (prev && (prev != out || prev->data != NULL)) {
|
|
g_free (prev->data);
|
|
out = g_list_delete_link (out, prev);
|
|
}
|
|
g_free (elem->data);
|
|
if (next != NULL) {
|
|
out = g_list_delete_link (out, elem);
|
|
} else {
|
|
/* path ends in '/..' We need to keep the last '/' */
|
|
elem->data = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
static gchar *
|
|
_gst_uri_escape_userinfo (const gchar * userinfo)
|
|
{
|
|
return g_uri_escape_string (userinfo,
|
|
G_URI_RESERVED_CHARS_ALLOWED_IN_USERINFO, FALSE);
|
|
}
|
|
|
|
static gchar *
|
|
_gst_uri_escape_host (const gchar * host)
|
|
{
|
|
return g_uri_escape_string (host,
|
|
G_URI_RESERVED_CHARS_SUBCOMPONENT_DELIMITERS, FALSE);
|
|
}
|
|
|
|
static gchar *
|
|
_gst_uri_escape_host_colon (const gchar * host)
|
|
{
|
|
return g_uri_escape_string (host,
|
|
G_URI_RESERVED_CHARS_SUBCOMPONENT_DELIMITERS ":", FALSE);
|
|
}
|
|
|
|
static gchar *
|
|
_gst_uri_escape_path_segment (const gchar * segment)
|
|
{
|
|
return g_uri_escape_string (segment,
|
|
G_URI_RESERVED_CHARS_ALLOWED_IN_PATH_ELEMENT, FALSE);
|
|
}
|
|
|
|
static gchar *
|
|
_gst_uri_escape_http_query_element (const gchar * element)
|
|
{
|
|
gchar *ret, *c;
|
|
|
|
ret = g_uri_escape_string (element, "!$'()*,;:@/?= ", FALSE);
|
|
for (c = ret; *c; c++)
|
|
if (*c == ' ')
|
|
*c = '+';
|
|
return ret;
|
|
}
|
|
|
|
static gchar *
|
|
_gst_uri_escape_fragment (const gchar * fragment)
|
|
{
|
|
return g_uri_escape_string (fragment,
|
|
G_URI_RESERVED_CHARS_ALLOWED_IN_PATH "?", FALSE);
|
|
}
|
|
|
|
static GList *
|
|
_gst_uri_string_to_list (const gchar * str, const gchar * sep, gboolean convert,
|
|
gboolean unescape)
|
|
{
|
|
GList *new_list = NULL;
|
|
|
|
if (str) {
|
|
guint pct_sep_len = 0;
|
|
gchar *pct_sep = NULL;
|
|
gchar **split_str;
|
|
|
|
if (convert && !unescape) {
|
|
pct_sep = g_strdup_printf ("%%%2.2X", (guint) (*sep));
|
|
pct_sep_len = 3;
|
|
}
|
|
|
|
split_str = g_strsplit (str, sep, -1);
|
|
if (split_str) {
|
|
gchar **next_elem;
|
|
for (next_elem = split_str; *next_elem; next_elem += 1) {
|
|
gchar *elem = *next_elem;
|
|
if (*elem == '\0') {
|
|
new_list = g_list_append (new_list, NULL);
|
|
} else {
|
|
if (convert && !unescape) {
|
|
gchar *next_sep;
|
|
for (next_sep = strcasestr (elem, pct_sep); next_sep;
|
|
next_sep = strcasestr (next_sep + 1, pct_sep)) {
|
|
*next_sep = *sep;
|
|
memmove (next_sep + 1, next_sep + pct_sep_len,
|
|
strlen (next_sep + pct_sep_len) + 1);
|
|
}
|
|
}
|
|
if (unescape) {
|
|
*next_elem = g_uri_unescape_string (elem, NULL);
|
|
g_free (elem);
|
|
elem = *next_elem;
|
|
}
|
|
new_list = g_list_append (new_list, g_strdup (elem));
|
|
}
|
|
}
|
|
}
|
|
g_strfreev (split_str);
|
|
if (convert && !unescape)
|
|
g_free (pct_sep);
|
|
}
|
|
|
|
return new_list;
|
|
}
|
|
|
|
static GHashTable *
|
|
_gst_uri_string_to_table (const gchar * str, const gchar * part_sep,
|
|
const gchar * kv_sep, gboolean convert, gboolean unescape)
|
|
{
|
|
GHashTable *new_table = NULL;
|
|
|
|
if (str) {
|
|
gchar *pct_part_sep = NULL, *pct_kv_sep = NULL;
|
|
gchar **split_parts;
|
|
|
|
new_table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
|
|
|
|
if (convert && !unescape) {
|
|
pct_part_sep = g_strdup_printf ("%%%2.2X", (guint) (*part_sep));
|
|
pct_kv_sep = g_strdup_printf ("%%%2.2X", (guint) (*kv_sep));
|
|
}
|
|
|
|
split_parts = g_strsplit (str, part_sep, -1);
|
|
if (split_parts) {
|
|
gchar **next_part;
|
|
for (next_part = split_parts; *next_part; next_part += 1) {
|
|
gchar *part = *next_part;
|
|
gchar *kv_sep_pos;
|
|
gchar *key, *value;
|
|
/* if we are converting percent encoded versions of separators then
|
|
* substitute the part separator now. */
|
|
if (convert && !unescape) {
|
|
gchar *next_sep;
|
|
for (next_sep = strcasestr (part, pct_part_sep); next_sep;
|
|
next_sep = strcasestr (next_sep + 1, pct_part_sep)) {
|
|
*next_sep = *part_sep;
|
|
memmove (next_sep + 1, next_sep + 3, strlen (next_sep + 3) + 1);
|
|
}
|
|
}
|
|
/* find the key/value separator within the part */
|
|
kv_sep_pos = g_strstr_len (part, -1, kv_sep);
|
|
if (kv_sep_pos == NULL) {
|
|
if (unescape) {
|
|
key = g_uri_unescape_string (part, NULL);
|
|
} else {
|
|
key = g_strdup (part);
|
|
}
|
|
value = NULL;
|
|
} else {
|
|
if (unescape) {
|
|
key = g_uri_unescape_segment (part, kv_sep_pos, NULL);
|
|
value = g_uri_unescape_string (kv_sep_pos + 1, NULL);
|
|
} else {
|
|
key = g_strndup (part, kv_sep_pos - part);
|
|
value = g_strdup (kv_sep_pos + 1);
|
|
}
|
|
}
|
|
/* if we are converting percent encoded versions of separators then
|
|
* substitute the key/value separator in both key and value now. */
|
|
if (convert && !unescape) {
|
|
gchar *next_sep;
|
|
for (next_sep = strcasestr (key, pct_kv_sep); next_sep;
|
|
next_sep = strcasestr (next_sep + 1, pct_kv_sep)) {
|
|
*next_sep = *kv_sep;
|
|
memmove (next_sep + 1, next_sep + 3, strlen (next_sep + 3) + 1);
|
|
}
|
|
if (value) {
|
|
for (next_sep = strcasestr (value, pct_kv_sep); next_sep;
|
|
next_sep = strcasestr (next_sep + 1, pct_kv_sep)) {
|
|
*next_sep = *kv_sep;
|
|
memmove (next_sep + 1, next_sep + 3, strlen (next_sep + 3) + 1);
|
|
}
|
|
}
|
|
}
|
|
/* add value to the table */
|
|
g_hash_table_insert (new_table, key, value);
|
|
}
|
|
}
|
|
/* tidy up */
|
|
g_strfreev (split_parts);
|
|
if (convert && !unescape) {
|
|
g_free (pct_part_sep);
|
|
g_free (pct_kv_sep);
|
|
}
|
|
}
|
|
|
|
return new_table;
|
|
}
|
|
|
|
|
|
/*
|
|
* Method definitions.
|
|
*/
|
|
|
|
/**
|
|
* gst_uri_new:
|
|
* @scheme: (nullable): The scheme for the new URI.
|
|
* @userinfo: (nullable): The user-info for the new URI.
|
|
* @host: (nullable): The host name for the new URI.
|
|
* @port: The port number for the new URI or %GST_URI_NO_PORT.
|
|
* @path: (nullable): The path for the new URI with '/' separating path
|
|
* elements.
|
|
* @query: (nullable): The query string for the new URI with '&' separating
|
|
* query elements. Elements containing '&' characters
|
|
* should encode them as "%26".
|
|
* @fragment: (nullable): The fragment name for the new URI.
|
|
*
|
|
* Creates a new #GstUri object with the given URI parts. The path and query
|
|
* strings will be broken down into their elements. All strings should not be
|
|
* escaped except where indicated.
|
|
*
|
|
* Returns: (transfer full): A new #GstUri object.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GstUri *
|
|
gst_uri_new (const gchar * scheme, const gchar * userinfo, const gchar * host,
|
|
guint port, const gchar * path, const gchar * query, const gchar * fragment)
|
|
{
|
|
GstUri *new_uri;
|
|
|
|
new_uri = _gst_uri_new ();
|
|
if (new_uri) {
|
|
new_uri->scheme = g_strdup (scheme);
|
|
new_uri->userinfo = g_strdup (userinfo);
|
|
new_uri->host = g_strdup (host);
|
|
new_uri->port = port;
|
|
new_uri->path = _gst_uri_string_to_list (path, "/", FALSE, FALSE);
|
|
new_uri->query = _gst_uri_string_to_table (query, "&", "=", TRUE, FALSE);
|
|
new_uri->fragment = g_strdup (fragment);
|
|
}
|
|
|
|
return new_uri;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_new_with_base:
|
|
* @base: (transfer none)(nullable): The base URI to join the new URI to.
|
|
* @scheme: (nullable): The scheme for the new URI.
|
|
* @userinfo: (nullable): The user-info for the new URI.
|
|
* @host: (nullable): The host name for the new URI.
|
|
* @port: The port number for the new URI or %GST_URI_NO_PORT.
|
|
* @path: (nullable): The path for the new URI with '/' separating path
|
|
* elements.
|
|
* @query: (nullable): The query string for the new URI with '&' separating
|
|
* query elements. Elements containing '&' characters
|
|
* should encode them as "%26".
|
|
* @fragment: (nullable): The fragment name for the new URI.
|
|
*
|
|
* Like gst_uri_new(), but joins the new URI onto a base URI.
|
|
*
|
|
* Returns: (transfer full): The new URI joined onto @base.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GstUri *
|
|
gst_uri_new_with_base (GstUri * base, const gchar * scheme,
|
|
const gchar * userinfo, const gchar * host, guint port, const gchar * path,
|
|
const gchar * query, const gchar * fragment)
|
|
{
|
|
GstUri *new_rel_uri;
|
|
GstUri *new_uri;
|
|
|
|
g_return_val_if_fail (base == NULL || GST_IS_URI (base), NULL);
|
|
|
|
new_rel_uri = gst_uri_new (scheme, userinfo, host, port, path, query,
|
|
fragment);
|
|
new_uri = gst_uri_join (base, new_rel_uri);
|
|
gst_uri_unref (new_rel_uri);
|
|
|
|
return new_uri;
|
|
}
|
|
|
|
static GstUri *
|
|
_gst_uri_from_string_internal (const gchar * uri, gboolean unescape)
|
|
{
|
|
const gchar *orig_uri = uri;
|
|
GstUri *uri_obj;
|
|
|
|
uri_obj = _gst_uri_new ();
|
|
|
|
if (uri_obj && uri != NULL) {
|
|
int i = 0;
|
|
|
|
/* be helpful and skip initial white space */
|
|
while (*uri == '\v' || g_ascii_isspace (*uri))
|
|
uri++;
|
|
|
|
if (g_ascii_isalpha (uri[i])) {
|
|
/* find end of scheme name */
|
|
i++;
|
|
while (g_ascii_isalnum (uri[i]) || uri[i] == '+' || uri[i] == '-' ||
|
|
uri[i] == '.')
|
|
i++;
|
|
}
|
|
if (i > 0 && uri[i] == ':') {
|
|
/* get scheme */
|
|
uri_obj->scheme = g_strndup (uri, i);
|
|
uri += i + 1;
|
|
}
|
|
if (uri[0] == '/' && uri[1] == '/') {
|
|
const gchar *eoa, *eoui, *eoh, *reoh;
|
|
/* get authority [userinfo@]host[:port] */
|
|
uri += 2;
|
|
/* find end of authority */
|
|
eoa = uri + strcspn (uri, "/?#");
|
|
|
|
/* find end of userinfo */
|
|
eoui = strchr (uri, '@');
|
|
if (eoui != NULL && eoui < eoa) {
|
|
if (unescape)
|
|
uri_obj->userinfo = g_uri_unescape_segment (uri, eoui, NULL);
|
|
else
|
|
uri_obj->userinfo = g_strndup (uri, eoui - uri);
|
|
uri = eoui + 1;
|
|
}
|
|
/* find end of host */
|
|
if (uri[0] == '[') {
|
|
eoh = strchr (uri, ']');
|
|
if (eoh == NULL || eoh > eoa) {
|
|
GST_DEBUG ("Unable to parse the host part of the URI '%s'.",
|
|
orig_uri);
|
|
gst_uri_unref (uri_obj);
|
|
return NULL;
|
|
}
|
|
reoh = eoh + 1;
|
|
uri++;
|
|
} else {
|
|
reoh = eoh = strchr (uri, ':');
|
|
if (eoh == NULL || eoh > eoa)
|
|
reoh = eoh = eoa;
|
|
}
|
|
/* don't capture empty host strings */
|
|
if (eoh != uri) {
|
|
/* always unescape hostname */
|
|
uri_obj->host = g_uri_unescape_segment (uri, eoh, NULL);
|
|
}
|
|
|
|
uri = reoh;
|
|
if (uri < eoa) {
|
|
/* if port number is malformed then we can't parse this */
|
|
if (uri[0] != ':' || strspn (uri + 1, "0123456789") != eoa - uri - 1) {
|
|
GST_DEBUG ("Unable to parse host/port part of the URI '%s'.",
|
|
orig_uri);
|
|
gst_uri_unref (uri_obj);
|
|
return NULL;
|
|
}
|
|
/* otherwise treat port as unsigned decimal number */
|
|
uri++;
|
|
while (uri < eoa) {
|
|
uri_obj->port = uri_obj->port * 10 + g_ascii_digit_value (*uri);
|
|
uri++;
|
|
}
|
|
}
|
|
uri = eoa;
|
|
}
|
|
if (uri != NULL && uri[0] != '\0') {
|
|
/* get path */
|
|
size_t len;
|
|
len = strcspn (uri, "?#");
|
|
if (uri[len] == '\0') {
|
|
uri_obj->path = _gst_uri_string_to_list (uri, "/", FALSE, TRUE);
|
|
uri = NULL;
|
|
} else {
|
|
if (len > 0) {
|
|
gchar *path_str = g_strndup (uri, len);
|
|
uri_obj->path = _gst_uri_string_to_list (path_str, "/", FALSE, TRUE);
|
|
g_free (path_str);
|
|
}
|
|
uri += len;
|
|
}
|
|
}
|
|
if (uri != NULL && uri[0] == '?') {
|
|
/* get query */
|
|
gchar *eoq;
|
|
eoq = strchr (++uri, '#');
|
|
if (eoq == NULL) {
|
|
uri_obj->query = _gst_uri_string_to_table (uri, "&", "=", TRUE, TRUE);
|
|
uri = NULL;
|
|
} else {
|
|
if (eoq != uri) {
|
|
gchar *query_str = g_strndup (uri, eoq - uri);
|
|
uri_obj->query = _gst_uri_string_to_table (query_str, "&", "=", TRUE,
|
|
TRUE);
|
|
g_free (query_str);
|
|
}
|
|
uri = eoq;
|
|
}
|
|
}
|
|
if (uri != NULL && uri[0] == '#') {
|
|
if (unescape)
|
|
uri_obj->fragment = g_uri_unescape_string (uri + 1, NULL);
|
|
else
|
|
uri_obj->fragment = g_strdup (uri + 1);
|
|
}
|
|
}
|
|
|
|
return uri_obj;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_from_string:
|
|
* @uri: The URI string to parse.
|
|
*
|
|
* Parses a URI string into a new #GstUri object. Will return NULL if the URI
|
|
* cannot be parsed.
|
|
*
|
|
* Returns: (transfer full) (nullable): A new #GstUri object, or NULL.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GstUri *
|
|
gst_uri_from_string (const gchar * uri)
|
|
{
|
|
return _gst_uri_from_string_internal (uri, TRUE);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_from_string_escaped:
|
|
* @uri: The URI string to parse.
|
|
*
|
|
* Parses a URI string into a new #GstUri object. Will return NULL if the URI
|
|
* cannot be parsed. This is identical to gst_uri_from_string() except that
|
|
* the userinfo and fragment components of the URI will not be unescaped while
|
|
* parsing.
|
|
*
|
|
* Use this when you need to extract a username and password from the userinfo
|
|
* such as https://user:password@example.com since either may contain
|
|
* a URI-escaped ':' character. gst_uri_from_string() will unescape the entire
|
|
* userinfo component, which will make it impossible to know which ':'
|
|
* delineates the username and password.
|
|
*
|
|
* The same applies to the fragment component of the URI, such as
|
|
* https://example.com/path#fragment which may contain a URI-escaped '#'.
|
|
*
|
|
* Returns: (transfer full) (nullable): A new #GstUri object, or NULL.
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
GstUri *
|
|
gst_uri_from_string_escaped (const gchar * uri)
|
|
{
|
|
return _gst_uri_from_string_internal (uri, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_from_string_with_base:
|
|
* @base: (transfer none)(nullable): The base URI to join the new URI with.
|
|
* @uri: The URI string to parse.
|
|
*
|
|
* Like gst_uri_from_string() but also joins with a base URI.
|
|
*
|
|
* Returns: (transfer full): A new #GstUri object.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GstUri *
|
|
gst_uri_from_string_with_base (GstUri * base, const gchar * uri)
|
|
{
|
|
GstUri *new_rel_uri;
|
|
GstUri *new_uri;
|
|
|
|
g_return_val_if_fail (base == NULL || GST_IS_URI (base), NULL);
|
|
|
|
new_rel_uri = gst_uri_from_string (uri);
|
|
new_uri = gst_uri_join (base, new_rel_uri);
|
|
gst_uri_unref (new_rel_uri);
|
|
|
|
return new_uri;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_equal:
|
|
* @first: First #GstUri to compare.
|
|
* @second: Second #GstUri to compare.
|
|
*
|
|
* Compares two #GstUri objects to see if they represent the same normalized
|
|
* URI.
|
|
*
|
|
* Returns: %TRUE if the normalized versions of the two URI's would be equal.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_equal (const GstUri * first, const GstUri * second)
|
|
{
|
|
gchar *first_norm = NULL, *second_norm = NULL;
|
|
GList *first_norm_list = NULL, *second_norm_list = NULL;
|
|
const gchar *first_cmp, *second_cmp;
|
|
GHashTableIter table_iter;
|
|
gpointer key, value;
|
|
int result;
|
|
|
|
g_return_val_if_fail ((first == NULL || GST_IS_URI (first)) &&
|
|
(second == NULL || GST_IS_URI (second)), FALSE);
|
|
|
|
if (first == second)
|
|
return TRUE;
|
|
|
|
if (first == NULL || second == NULL)
|
|
return FALSE;
|
|
|
|
if (first->port != second->port)
|
|
return FALSE;
|
|
|
|
/* work out a version of field value (normalized or not) to compare.
|
|
* first_cmp, second_cmp will be the values to compare later.
|
|
* first_norm, second_norm will be non-NULL if normalized versions are used,
|
|
* and need to be freed later.
|
|
*/
|
|
#define GST_URI_NORMALIZED_FIELD(pos, field, norm_fn, flags) \
|
|
pos##_cmp = pos->field; \
|
|
if (_gst_uri_first_non_normalized_char ((gchar*)pos##_cmp, flags) != NULL) { \
|
|
pos##_norm = g_strdup (pos##_cmp); \
|
|
norm_fn (pos##_norm); \
|
|
pos##_cmp = pos##_norm; \
|
|
}
|
|
|
|
/* compare two string values, normalizing if needed */
|
|
#define GST_URI_NORMALIZED_CMP_STR(field, norm_fn, flags) \
|
|
GST_URI_NORMALIZED_FIELD (first, field, norm_fn, flags) \
|
|
GST_URI_NORMALIZED_FIELD (second, field, norm_fn, flags) \
|
|
result = g_strcmp0 (first_cmp, second_cmp); \
|
|
g_free (first_norm); \
|
|
first_norm = NULL; \
|
|
g_free (second_norm); \
|
|
second_norm = NULL; \
|
|
if (result != 0) return FALSE
|
|
|
|
/* compare two string values */
|
|
#define GST_URI_CMP_STR(field) \
|
|
if (g_strcmp0 (first->field, second->field) != 0) return FALSE
|
|
|
|
/* compare two GLists, normalize lists if needed before comparison */
|
|
#define GST_URI_NORMALIZED_CMP_LIST(field, norm_fn, copy_fn, cmp_fn, free_fn) \
|
|
first_norm_list = g_list_copy_deep (first->field, (GCopyFunc) copy_fn, NULL); \
|
|
norm_fn (&first_norm_list); \
|
|
second_norm_list = g_list_copy_deep (second->field, (GCopyFunc) copy_fn, NULL); \
|
|
norm_fn (&second_norm_list); \
|
|
result = _gst_uri_compare_lists (first_norm_list, second_norm_list, (GCompareFunc) cmp_fn); \
|
|
g_list_free_full (first_norm_list, free_fn); \
|
|
g_list_free_full (second_norm_list, free_fn); \
|
|
if (result != 0) return FALSE
|
|
|
|
GST_URI_CMP_STR (userinfo);
|
|
|
|
GST_URI_CMP_STR (fragment);
|
|
|
|
GST_URI_NORMALIZED_CMP_STR (scheme, _gst_uri_normalize_scheme,
|
|
_GST_URI_NORMALIZE_LOWERCASE);
|
|
|
|
GST_URI_NORMALIZED_CMP_STR (host, _gst_uri_normalize_hostname,
|
|
_GST_URI_NORMALIZE_LOWERCASE);
|
|
|
|
GST_URI_NORMALIZED_CMP_LIST (path, _gst_uri_normalize_path, g_strdup,
|
|
g_strcmp0, g_free);
|
|
|
|
if (first->query == NULL && second->query != NULL)
|
|
return FALSE;
|
|
if (first->query != NULL && second->query == NULL)
|
|
return FALSE;
|
|
if (first->query != NULL) {
|
|
if (g_hash_table_size (first->query) != g_hash_table_size (second->query))
|
|
return FALSE;
|
|
|
|
g_hash_table_iter_init (&table_iter, first->query);
|
|
while (g_hash_table_iter_next (&table_iter, &key, &value)) {
|
|
if (!g_hash_table_contains (second->query, key))
|
|
return FALSE;
|
|
result = g_strcmp0 (g_hash_table_lookup (second->query, key), value);
|
|
if (result != 0)
|
|
return FALSE;
|
|
}
|
|
}
|
|
#undef GST_URI_NORMALIZED_CMP_STR
|
|
#undef GST_URI_CMP_STR
|
|
#undef GST_URI_NORMALIZED_CMP_LIST
|
|
#undef GST_URI_NORMALIZED_FIELD
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_join:
|
|
* @base_uri: (transfer none) (nullable): The base URI to join another to.
|
|
* @ref_uri: (transfer none) (nullable): The reference URI to join onto the
|
|
* base URI.
|
|
*
|
|
* Join a reference URI onto a base URI using the method from RFC 3986.
|
|
* If either URI is %NULL then the other URI will be returned with the ref count
|
|
* increased.
|
|
*
|
|
* Returns: (transfer full) (nullable): A #GstUri which represents the base
|
|
* with the reference URI joined on.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GstUri *
|
|
gst_uri_join (GstUri * base_uri, GstUri * ref_uri)
|
|
{
|
|
const gchar *r_scheme;
|
|
GstUri *t;
|
|
|
|
g_return_val_if_fail ((base_uri == NULL || GST_IS_URI (base_uri)) &&
|
|
(ref_uri == NULL || GST_IS_URI (ref_uri)), NULL);
|
|
|
|
if (base_uri == NULL && ref_uri == NULL)
|
|
return NULL;
|
|
if (base_uri == NULL) {
|
|
g_return_val_if_fail (GST_IS_URI (ref_uri), NULL);
|
|
return gst_uri_ref (ref_uri);
|
|
}
|
|
if (ref_uri == NULL) {
|
|
g_return_val_if_fail (GST_IS_URI (base_uri), NULL);
|
|
return gst_uri_ref (base_uri);
|
|
}
|
|
|
|
g_return_val_if_fail (GST_IS_URI (base_uri) && GST_IS_URI (ref_uri), NULL);
|
|
|
|
t = _gst_uri_new ();
|
|
|
|
if (t == NULL)
|
|
return t;
|
|
|
|
/* process according to RFC3986 */
|
|
r_scheme = ref_uri->scheme;
|
|
if (r_scheme != NULL && g_strcmp0 (base_uri->scheme, r_scheme) == 0) {
|
|
r_scheme = NULL;
|
|
}
|
|
if (r_scheme != NULL) {
|
|
t->scheme = g_strdup (r_scheme);
|
|
t->userinfo = g_strdup (ref_uri->userinfo);
|
|
t->host = g_strdup (ref_uri->host);
|
|
t->port = ref_uri->port;
|
|
t->path = _remove_dot_segments (ref_uri->path);
|
|
t->query = _gst_uri_copy_query_table (ref_uri->query);
|
|
} else {
|
|
if (ref_uri->host != NULL) {
|
|
t->userinfo = g_strdup (ref_uri->userinfo);
|
|
t->host = g_strdup (ref_uri->host);
|
|
t->port = ref_uri->port;
|
|
t->path = _remove_dot_segments (ref_uri->path);
|
|
t->query = _gst_uri_copy_query_table (ref_uri->query);
|
|
} else {
|
|
if (ref_uri->path == NULL) {
|
|
t->path = g_list_copy_deep (base_uri->path, (GCopyFunc) g_strdup, NULL);
|
|
if (ref_uri->query != NULL)
|
|
t->query = _gst_uri_copy_query_table (ref_uri->query);
|
|
else
|
|
t->query = _gst_uri_copy_query_table (base_uri->query);
|
|
} else {
|
|
if (ref_uri->path->data == NULL)
|
|
t->path = _remove_dot_segments (ref_uri->path);
|
|
else {
|
|
GList *mrgd = _merge (base_uri->path, ref_uri->path);
|
|
t->path = _remove_dot_segments (mrgd);
|
|
g_list_free_full (mrgd, g_free);
|
|
}
|
|
t->query = _gst_uri_copy_query_table (ref_uri->query);
|
|
}
|
|
t->userinfo = g_strdup (base_uri->userinfo);
|
|
t->host = g_strdup (base_uri->host);
|
|
t->port = base_uri->port;
|
|
}
|
|
t->scheme = g_strdup (base_uri->scheme);
|
|
}
|
|
t->fragment = g_strdup (ref_uri->fragment);
|
|
|
|
return t;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_join_strings:
|
|
* @base_uri: The percent-encoded base URI.
|
|
* @ref_uri: The percent-encoded reference URI to join to the @base_uri.
|
|
*
|
|
* This is a convenience function to join two URI strings and return the result.
|
|
* The returned string should be g_free()'d after use.
|
|
*
|
|
* Returns: (transfer full): A string representing the percent-encoded join of
|
|
* the two URIs.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gchar *
|
|
gst_uri_join_strings (const gchar * base_uri, const gchar * ref_uri)
|
|
{
|
|
GstUri *base, *result;
|
|
gchar *result_uri;
|
|
|
|
base = gst_uri_from_string (base_uri);
|
|
result = gst_uri_from_string_with_base (base, ref_uri);
|
|
result_uri = gst_uri_to_string (result);
|
|
gst_uri_unref (base);
|
|
gst_uri_unref (result);
|
|
|
|
return result_uri;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_is_writable:
|
|
* @uri: The #GstUri object to test.
|
|
*
|
|
* Check if it is safe to write to this #GstUri.
|
|
*
|
|
* Check if the refcount of @uri is exactly 1, meaning that no other
|
|
* reference exists to the #GstUri and that the #GstUri is therefore writable.
|
|
*
|
|
* Modification of a #GstUri should only be done after verifying that it is
|
|
* writable.
|
|
*
|
|
* Returns: %TRUE if it is safe to write to the object.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_is_writable (const GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (GST_IS_URI (uri), FALSE);
|
|
return gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (uri));
|
|
}
|
|
|
|
/**
|
|
* gst_uri_make_writable:
|
|
* @uri: (transfer full): The #GstUri object to make writable.
|
|
*
|
|
* Make the #GstUri writable.
|
|
*
|
|
* Checks if @uri is writable, and if so the original object is returned. If
|
|
* not, then a writable copy is made and returned. This gives away the
|
|
* reference to @uri and returns a reference to the new #GstUri.
|
|
* If @uri is %NULL then %NULL is returned.
|
|
*
|
|
* Returns: (transfer full): A writable version of @uri.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GstUri *
|
|
gst_uri_make_writable (GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (GST_IS_URI (uri), NULL);
|
|
return
|
|
GST_URI_CAST (gst_mini_object_make_writable (GST_MINI_OBJECT_CAST (uri)));
|
|
}
|
|
|
|
/**
|
|
* gst_uri_to_string:
|
|
* @uri: This #GstUri to convert to a string.
|
|
*
|
|
* Convert the URI to a string.
|
|
*
|
|
* Returns the URI as held in this object as a #gchar* nul-terminated string.
|
|
* The caller should g_free() the string once they are finished with it.
|
|
* The string is put together as described in RFC 3986.
|
|
*
|
|
* Returns: (transfer full): The string version of the URI.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gchar *
|
|
gst_uri_to_string (const GstUri * uri)
|
|
{
|
|
GString *uri_str;
|
|
gchar *escaped;
|
|
|
|
g_return_val_if_fail (GST_IS_URI (uri), NULL);
|
|
|
|
uri_str = g_string_new (NULL);
|
|
|
|
if (uri->scheme != NULL)
|
|
g_string_append_printf (uri_str, "%s:", uri->scheme);
|
|
|
|
if (uri->userinfo != NULL || uri->host != NULL ||
|
|
uri->port != GST_URI_NO_PORT)
|
|
g_string_append (uri_str, "//");
|
|
|
|
if (uri->userinfo != NULL) {
|
|
escaped = _gst_uri_escape_userinfo (uri->userinfo);
|
|
g_string_append_printf (uri_str, "%s@", escaped);
|
|
g_free (escaped);
|
|
}
|
|
|
|
if (uri->host != NULL) {
|
|
if (strchr (uri->host, ':') != NULL) {
|
|
escaped = _gst_uri_escape_host_colon (uri->host);
|
|
g_string_append_printf (uri_str, "[%s]", escaped);
|
|
g_free (escaped);
|
|
} else {
|
|
escaped = _gst_uri_escape_host (uri->host);
|
|
g_string_append (uri_str, escaped);
|
|
g_free (escaped);
|
|
}
|
|
}
|
|
|
|
if (uri->port != GST_URI_NO_PORT)
|
|
g_string_append_printf (uri_str, ":%u", uri->port);
|
|
|
|
if (uri->path != NULL) {
|
|
escaped = gst_uri_get_path_string (uri);
|
|
g_string_append (uri_str, escaped);
|
|
g_free (escaped);
|
|
}
|
|
|
|
if (uri->query) {
|
|
g_string_append (uri_str, "?");
|
|
escaped = gst_uri_get_query_string (uri);
|
|
g_string_append (uri_str, escaped);
|
|
g_free (escaped);
|
|
}
|
|
|
|
if (uri->fragment != NULL) {
|
|
escaped = _gst_uri_escape_fragment (uri->fragment);
|
|
g_string_append_printf (uri_str, "#%s", escaped);
|
|
g_free (escaped);
|
|
}
|
|
|
|
return g_string_free (uri_str, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_is_normalized:
|
|
* @uri: The #GstUri to test to see if it is normalized.
|
|
*
|
|
* Tests the @uri to see if it is normalized. A %NULL @uri is considered to be
|
|
* normalized.
|
|
*
|
|
* Returns: TRUE if the URI is normalized or is %NULL.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_is_normalized (const GstUri * uri)
|
|
{
|
|
GList *new_path;
|
|
gboolean ret;
|
|
|
|
if (uri == NULL)
|
|
return TRUE;
|
|
|
|
g_return_val_if_fail (GST_IS_URI (uri), FALSE);
|
|
|
|
/* check for non-normalized characters in uri parts */
|
|
if (_gst_uri_first_non_normalized_char (uri->scheme,
|
|
_GST_URI_NORMALIZE_LOWERCASE) != NULL ||
|
|
/*_gst_uri_first_non_normalized_char (uri->userinfo,
|
|
_GST_URI_NORMALIZE_PERCENTAGES) != NULL || */
|
|
_gst_uri_first_non_normalized_char (uri->host,
|
|
_GST_URI_NORMALIZE_LOWERCASE /*| _GST_URI_NORMALIZE_PERCENTAGES */ )
|
|
!= NULL
|
|
/*|| _gst_uri_first_non_normalized_char (uri->path,
|
|
_GST_URI_NORMALIZE_PERCENTAGES) != NULL
|
|
|| _gst_uri_first_non_normalized_char (uri->query,
|
|
_GST_URI_NORMALIZE_PERCENTAGES) != NULL
|
|
|| _gst_uri_first_non_normalized_char (uri->fragment,
|
|
_GST_URI_NORMALIZE_PERCENTAGES) != NULL */ )
|
|
return FALSE;
|
|
|
|
/* also check path has had dot segments removed */
|
|
new_path = _remove_dot_segments (uri->path);
|
|
ret =
|
|
(_gst_uri_compare_lists (new_path, uri->path,
|
|
(GCompareFunc) g_strcmp0) == 0);
|
|
g_list_free_full (new_path, g_free);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_normalize:
|
|
* @uri: (transfer none): The #GstUri to normalize.
|
|
*
|
|
* Normalization will remove extra path segments ("." and "..") from the URI. It
|
|
* will also convert the scheme and host name to lower case and any
|
|
* percent-encoded values to uppercase.
|
|
*
|
|
* The #GstUri object must be writable. Check with gst_uri_is_writable() or use
|
|
* gst_uri_make_writable() first.
|
|
*
|
|
* Returns: TRUE if the URI was modified.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_normalize (GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
return _gst_uri_normalize_scheme (uri->scheme) |
|
|
_gst_uri_normalize_userinfo (uri->userinfo) |
|
|
_gst_uri_normalize_hostname (uri->host) |
|
|
_gst_uri_normalize_path (&uri->path) |
|
|
_gst_uri_normalize_query (uri->query) |
|
|
_gst_uri_normalize_fragment (uri->fragment);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_scheme:
|
|
* @uri: (nullable): This #GstUri object.
|
|
*
|
|
* Get the scheme name from the URI or %NULL if it doesn't exist.
|
|
* If @uri is %NULL then returns %NULL.
|
|
*
|
|
* Returns: (nullable): The scheme from the #GstUri object or %NULL.
|
|
*/
|
|
const gchar *
|
|
gst_uri_get_scheme (const GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (uri == NULL || GST_IS_URI (uri), NULL);
|
|
return (uri ? uri->scheme : NULL);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_scheme:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @scheme: The new scheme to set or %NULL to unset the scheme.
|
|
*
|
|
* Set or unset the scheme for the URI.
|
|
*
|
|
* Returns: %TRUE if the scheme was set/unset successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_scheme (GstUri * uri, const gchar * scheme)
|
|
{
|
|
if (!uri)
|
|
return scheme == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
g_free (uri->scheme);
|
|
uri->scheme = g_strdup (scheme);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_userinfo:
|
|
* @uri: (nullable): This #GstUri object.
|
|
*
|
|
* Get the userinfo (usually in the form "username:password") from the URI
|
|
* or %NULL if it doesn't exist. If @uri is %NULL then returns %NULL.
|
|
*
|
|
* Returns: (nullable): The userinfo from the #GstUri object or %NULL.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
const gchar *
|
|
gst_uri_get_userinfo (const GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (uri == NULL || GST_IS_URI (uri), NULL);
|
|
return (uri ? uri->userinfo : NULL);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_userinfo:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @userinfo: The new user-information string to set or %NULL to unset.
|
|
*
|
|
* Set or unset the user information for the URI.
|
|
*
|
|
* Returns: %TRUE if the user information was set/unset successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_userinfo (GstUri * uri, const gchar * userinfo)
|
|
{
|
|
if (!uri)
|
|
return userinfo == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
g_free (uri->userinfo);
|
|
uri->userinfo = g_strdup (userinfo);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_host:
|
|
* @uri: (nullable): This #GstUri object.
|
|
*
|
|
* Get the host name from the URI or %NULL if it doesn't exist.
|
|
* If @uri is %NULL then returns %NULL.
|
|
*
|
|
* Returns: (nullable): The host name from the #GstUri object or %NULL.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
const gchar *
|
|
gst_uri_get_host (const GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (uri == NULL || GST_IS_URI (uri), NULL);
|
|
return (uri ? uri->host : NULL);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_host:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @host: The new host string to set or %NULL to unset.
|
|
*
|
|
* Set or unset the host for the URI.
|
|
*
|
|
* Returns: %TRUE if the host was set/unset successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_host (GstUri * uri, const gchar * host)
|
|
{
|
|
if (!uri)
|
|
return host == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
g_free (uri->host);
|
|
uri->host = g_strdup (host);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_port:
|
|
* @uri: (nullable): This #GstUri object.
|
|
*
|
|
* Get the port number from the URI or %GST_URI_NO_PORT if it doesn't exist.
|
|
* If @uri is %NULL then returns %GST_URI_NO_PORT.
|
|
*
|
|
* Returns: The port number from the #GstUri object or %GST_URI_NO_PORT.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
guint
|
|
gst_uri_get_port (const GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (uri == NULL || GST_IS_URI (uri), GST_URI_NO_PORT);
|
|
return (uri ? uri->port : GST_URI_NO_PORT);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_port:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @port: The new port number to set or %GST_URI_NO_PORT to unset.
|
|
*
|
|
* Set or unset the port number for the URI.
|
|
*
|
|
* Returns: %TRUE if the port number was set/unset successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_port (GstUri * uri, guint port)
|
|
{
|
|
if (!uri)
|
|
return port == GST_URI_NO_PORT;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
uri->port = port;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_path:
|
|
* @uri: The #GstUri to get the path from.
|
|
*
|
|
* Extract the path string from the URI object.
|
|
*
|
|
* Returns: (transfer full) (nullable): The path from the URI. Once finished
|
|
* with the string should be g_free()'d.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gchar *
|
|
gst_uri_get_path (const GstUri * uri)
|
|
{
|
|
GList *path_segment;
|
|
const gchar *sep = "";
|
|
GString *ret;
|
|
|
|
if (!uri)
|
|
return NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri), NULL);
|
|
if (!uri->path)
|
|
return NULL;
|
|
|
|
ret = g_string_new (NULL);
|
|
|
|
for (path_segment = uri->path; path_segment;
|
|
path_segment = path_segment->next) {
|
|
g_string_append (ret, sep);
|
|
if (path_segment->data) {
|
|
g_string_append (ret, path_segment->data);
|
|
}
|
|
sep = "/";
|
|
}
|
|
|
|
return g_string_free (ret, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_path:
|
|
* @uri: (transfer none) (nullable): The #GstUri to modify.
|
|
* @path: The new path to set with path segments separated by '/', or use %NULL
|
|
* to unset the path.
|
|
*
|
|
* Sets or unsets the path in the URI.
|
|
*
|
|
* Returns: %TRUE if the path was set successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_path (GstUri * uri, const gchar * path)
|
|
{
|
|
if (!uri)
|
|
return path == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
g_list_free_full (uri->path, g_free);
|
|
uri->path = _gst_uri_string_to_list (path, "/", FALSE, FALSE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_path_string:
|
|
* @uri: The #GstUri to get the path from.
|
|
*
|
|
* Extract the path string from the URI object as a percent encoded URI path.
|
|
*
|
|
* Returns: (transfer full) (nullable): The path from the URI. Once finished
|
|
* with the string should be g_free()'d.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gchar *
|
|
gst_uri_get_path_string (const GstUri * uri)
|
|
{
|
|
GList *path_segment;
|
|
const gchar *sep = "";
|
|
GString *ret;
|
|
gchar *escaped;
|
|
|
|
if (!uri)
|
|
return NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri), NULL);
|
|
if (!uri->path)
|
|
return NULL;
|
|
|
|
ret = g_string_new (NULL);
|
|
|
|
for (path_segment = uri->path; path_segment;
|
|
path_segment = path_segment->next) {
|
|
g_string_append (ret, sep);
|
|
if (path_segment->data) {
|
|
escaped = _gst_uri_escape_path_segment (path_segment->data);
|
|
g_string_append (ret, escaped);
|
|
g_free (escaped);
|
|
}
|
|
sep = "/";
|
|
}
|
|
|
|
return g_string_free (ret, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_path_string:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @path: The new percent encoded path to set with path segments separated by
|
|
* '/', or use %NULL to unset the path.
|
|
*
|
|
* Sets or unsets the path in the URI.
|
|
*
|
|
* Returns: %TRUE if the path was set successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_path_string (GstUri * uri, const gchar * path)
|
|
{
|
|
if (!uri)
|
|
return path == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
g_list_free_full (uri->path, g_free);
|
|
uri->path = _gst_uri_string_to_list (path, "/", FALSE, TRUE);
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_path_segments:
|
|
* @uri: (nullable): The #GstUri to get the path from.
|
|
*
|
|
* Get a list of path segments from the URI.
|
|
*
|
|
* Returns: (transfer full) (element-type gchar*): A #GList of path segment
|
|
* strings or %NULL if no path segments are available. Free the list
|
|
* when no longer needed with g_list_free_full(list, g_free).
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GList *
|
|
gst_uri_get_path_segments (const GstUri * uri)
|
|
{
|
|
GList *ret = NULL;
|
|
|
|
g_return_val_if_fail (uri == NULL || GST_IS_URI (uri), NULL);
|
|
|
|
if (uri) {
|
|
ret = g_list_copy_deep (uri->path, (GCopyFunc) g_strdup, NULL);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_path_segments:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @path_segments: (transfer full)(nullable)(element-type gchar*): The new
|
|
* path list to set.
|
|
*
|
|
* Replace the path segments list in the URI.
|
|
*
|
|
* Returns: %TRUE if the path segments were set successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_path_segments (GstUri * uri, GList * path_segments)
|
|
{
|
|
g_return_val_if_fail (uri == NULL || GST_IS_URI (uri), FALSE);
|
|
|
|
if (!uri) {
|
|
if (path_segments)
|
|
g_list_free_full (path_segments, g_free);
|
|
return path_segments == NULL;
|
|
}
|
|
|
|
g_return_val_if_fail (gst_uri_is_writable (uri), FALSE);
|
|
|
|
g_list_free_full (uri->path, g_free);
|
|
uri->path = path_segments;
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_append_path:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @relative_path: Relative path to append to the end of the current path.
|
|
*
|
|
* Append a path onto the end of the path in the URI. The path is not
|
|
* normalized, call #gst_uri_normalize() to normalize the path.
|
|
*
|
|
* Returns: %TRUE if the path was appended successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_append_path (GstUri * uri, const gchar * relative_path)
|
|
{
|
|
GList *rel_path_list;
|
|
|
|
if (!uri)
|
|
return relative_path == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
if (!relative_path)
|
|
return TRUE;
|
|
|
|
if (uri->path) {
|
|
GList *last_elem = g_list_last (uri->path);
|
|
if (last_elem->data == NULL) {
|
|
uri->path = g_list_delete_link (uri->path, last_elem);
|
|
}
|
|
}
|
|
rel_path_list = _gst_uri_string_to_list (relative_path, "/", FALSE, FALSE);
|
|
/* if path was absolute, make it relative by removing initial NULL element */
|
|
if (rel_path_list && rel_path_list->data == NULL) {
|
|
rel_path_list = g_list_delete_link (rel_path_list, rel_path_list);
|
|
}
|
|
uri->path = g_list_concat (uri->path, rel_path_list);
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_append_path_segment:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @path_segment: The path segment string to append to the URI path.
|
|
*
|
|
* Append a single path segment onto the end of the URI path.
|
|
*
|
|
* Returns: %TRUE if the path was appended successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_append_path_segment (GstUri * uri, const gchar * path_segment)
|
|
{
|
|
if (!uri)
|
|
return path_segment == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
if (!path_segment)
|
|
return TRUE;
|
|
|
|
/* if base path ends in a directory (i.e. last element is NULL), remove it */
|
|
if (uri->path && g_list_last (uri->path)->data == NULL) {
|
|
uri->path = g_list_delete_link (uri->path, g_list_last (uri->path));
|
|
}
|
|
uri->path = g_list_append (uri->path, g_strdup (path_segment));
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_query_string:
|
|
* @uri: (nullable): The #GstUri to get the query string from.
|
|
*
|
|
* Get a percent encoded URI query string from the @uri.
|
|
*
|
|
* Returns: (transfer full) (nullable): A percent encoded query string. Use
|
|
* g_free() when no longer needed.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gchar *
|
|
gst_uri_get_query_string (const GstUri * uri)
|
|
{
|
|
GHashTableIter iter;
|
|
gpointer key, value;
|
|
const gchar *sep = "";
|
|
gchar *escaped;
|
|
GString *ret;
|
|
|
|
if (!uri)
|
|
return NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri), NULL);
|
|
if (!uri->query)
|
|
return NULL;
|
|
|
|
ret = g_string_new (NULL);
|
|
g_hash_table_iter_init (&iter, uri->query);
|
|
while (g_hash_table_iter_next (&iter, &key, &value)) {
|
|
g_string_append (ret, sep);
|
|
escaped = _gst_uri_escape_http_query_element (key);
|
|
g_string_append (ret, escaped);
|
|
g_free (escaped);
|
|
if (value) {
|
|
escaped = _gst_uri_escape_http_query_element (value);
|
|
g_string_append_printf (ret, "=%s", escaped);
|
|
g_free (escaped);
|
|
}
|
|
sep = "&";
|
|
}
|
|
|
|
return g_string_free (ret, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_query_string:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @query: The new percent encoded query string to use to populate the query
|
|
* table, or use %NULL to unset the query table.
|
|
*
|
|
* Sets or unsets the query table in the URI.
|
|
*
|
|
* Returns: %TRUE if the query table was set successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_query_string (GstUri * uri, const gchar * query)
|
|
{
|
|
if (!uri)
|
|
return query == NULL;
|
|
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
if (uri->query)
|
|
g_hash_table_unref (uri->query);
|
|
uri->query = _gst_uri_string_to_table (query, "&", "=", TRUE, TRUE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_query_table:
|
|
* @uri: (nullable): The #GstUri to get the query table from.
|
|
*
|
|
* Get the query table from the URI. Keys and values in the table are freed
|
|
* with g_free when they are deleted. A value may be %NULL to indicate that
|
|
* the key should appear in the query string in the URI, but does not have a
|
|
* value. Free the returned #GHashTable with #g_hash_table_unref() when it is
|
|
* no longer required. Modifying this hash table will modify the query in the
|
|
* URI.
|
|
*
|
|
* Returns: (transfer full) (element-type gchar* gchar*) (nullable): The query
|
|
* hash table from the URI.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GHashTable *
|
|
gst_uri_get_query_table (const GstUri * uri)
|
|
{
|
|
if (!uri)
|
|
return NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri), NULL);
|
|
if (!uri->query)
|
|
return NULL;
|
|
|
|
return g_hash_table_ref (uri->query);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_query_table:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @query_table: (transfer none)(nullable)(element-type gchar* gchar*): The new
|
|
* query table to use.
|
|
*
|
|
* Set the query table to use in the URI. The old table is unreferenced and a
|
|
* reference to the new one is used instead. A value if %NULL for @query_table
|
|
* will remove the query string from the URI.
|
|
*
|
|
* Returns: %TRUE if the new table was successfully used for the query table.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_query_table (GstUri * uri, GHashTable * query_table)
|
|
{
|
|
GHashTable *old_table = NULL;
|
|
|
|
if (!uri)
|
|
return query_table == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
old_table = uri->query;
|
|
if (query_table)
|
|
uri->query = g_hash_table_ref (query_table);
|
|
else
|
|
uri->query = NULL;
|
|
if (old_table)
|
|
g_hash_table_unref (old_table);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_query_value:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @query_key: (transfer none): The key for the query entry.
|
|
* @query_value: (transfer none)(nullable): The value for the key.
|
|
*
|
|
* This inserts or replaces a key in the query table. A @query_value of %NULL
|
|
* indicates that the key has no associated value, but will still be present in
|
|
* the query string.
|
|
*
|
|
* Returns: %TRUE if the query table was successfully updated.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_query_value (GstUri * uri, const gchar * query_key,
|
|
const gchar * query_value)
|
|
{
|
|
if (!uri)
|
|
return FALSE;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
if (!uri->query) {
|
|
uri->query = g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
|
|
g_free);
|
|
}
|
|
g_hash_table_insert (uri->query, g_strdup (query_key),
|
|
g_strdup (query_value));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_remove_query_key:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @query_key: The key to remove.
|
|
*
|
|
* Remove an entry from the query table by key.
|
|
*
|
|
* Returns: %TRUE if the key existed in the table and was removed.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_remove_query_key (GstUri * uri, const gchar * query_key)
|
|
{
|
|
gboolean result;
|
|
|
|
if (!uri)
|
|
return FALSE;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
if (!uri->query)
|
|
return FALSE;
|
|
|
|
result = g_hash_table_remove (uri->query, query_key);
|
|
/* if this was the last query entry, remove the query string completely */
|
|
if (result && g_hash_table_size (uri->query) == 0) {
|
|
g_hash_table_unref (uri->query);
|
|
uri->query = NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_query_has_key:
|
|
* @uri: (nullable): The #GstUri to examine.
|
|
* @query_key: The key to lookup.
|
|
*
|
|
* Check if there is a query table entry for the @query_key key.
|
|
*
|
|
* Returns: %TRUE if @query_key exists in the URI query table.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_query_has_key (const GstUri * uri, const gchar * query_key)
|
|
{
|
|
if (!uri)
|
|
return FALSE;
|
|
g_return_val_if_fail (GST_IS_URI (uri), FALSE);
|
|
if (!uri->query)
|
|
return FALSE;
|
|
|
|
return g_hash_table_contains (uri->query, query_key);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_query_value:
|
|
* @uri: (nullable): The #GstUri to examine.
|
|
* @query_key: The key to lookup.
|
|
*
|
|
* Get the value associated with the @query_key key. Will return %NULL if the
|
|
* key has no value or if the key does not exist in the URI query table. Because
|
|
* %NULL is returned for both missing keys and keys with no value, you should
|
|
* use gst_uri_query_has_key() to determine if a key is present in the URI
|
|
* query.
|
|
*
|
|
* Returns: (nullable): The value for the given key, or %NULL if not found.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
const gchar *
|
|
gst_uri_get_query_value (const GstUri * uri, const gchar * query_key)
|
|
{
|
|
if (!uri)
|
|
return NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri), NULL);
|
|
if (!uri->query)
|
|
return NULL;
|
|
|
|
return g_hash_table_lookup (uri->query, query_key);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_query_keys:
|
|
* @uri: (nullable): The #GstUri to examine.
|
|
*
|
|
* Get a list of the query keys from the URI.
|
|
*
|
|
* Returns: (transfer container) (element-type gchar*): A list of keys from
|
|
* the URI query. Free the list with g_list_free().
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GList *
|
|
gst_uri_get_query_keys (const GstUri * uri)
|
|
{
|
|
if (!uri)
|
|
return NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri), NULL);
|
|
if (!uri->query)
|
|
return NULL;
|
|
|
|
return g_hash_table_get_keys (uri->query);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_fragment:
|
|
* @uri: (nullable): This #GstUri object.
|
|
*
|
|
* Get the fragment name from the URI or %NULL if it doesn't exist.
|
|
* If @uri is %NULL then returns %NULL.
|
|
*
|
|
* Returns: (nullable): The host name from the #GstUri object or %NULL.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
const gchar *
|
|
gst_uri_get_fragment (const GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (uri == NULL || GST_IS_URI (uri), NULL);
|
|
return (uri ? uri->fragment : NULL);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_set_fragment:
|
|
* @uri: (transfer none)(nullable): The #GstUri to modify.
|
|
* @fragment: (nullable): The fragment string to set.
|
|
*
|
|
* Sets the fragment string in the URI. Use a value of %NULL in @fragment to
|
|
* unset the fragment string.
|
|
*
|
|
* Returns: %TRUE if the fragment was set/unset successfully.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
gboolean
|
|
gst_uri_set_fragment (GstUri * uri, const gchar * fragment)
|
|
{
|
|
if (!uri)
|
|
return fragment == NULL;
|
|
g_return_val_if_fail (GST_IS_URI (uri) && gst_uri_is_writable (uri), FALSE);
|
|
|
|
g_free (uri->fragment);
|
|
uri->fragment = g_strdup (fragment);
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_uri_get_media_fragment_table:
|
|
* @uri: (nullable): The #GstUri to get the fragment table from.
|
|
*
|
|
* Get the media fragment table from the URI, as defined by "Media Fragments URI 1.0".
|
|
* Hash table returned by this API is a list of "key-value" pairs, and the each
|
|
* pair is generated by splitting "URI fragment" per "&" sub-delims, then "key"
|
|
* and "value" are split by "=" sub-delims. The "key" returned by this API may
|
|
* be undefined keyword by standard.
|
|
* A value may be %NULL to indicate that the key should appear in the fragment
|
|
* string in the URI, but does not have a value. Free the returned #GHashTable
|
|
* with #g_hash_table_unref() when it is no longer required.
|
|
* Modifying this hash table does not affect the fragment in the URI.
|
|
*
|
|
* See more about Media Fragments URI 1.0 (W3C) at https://www.w3.org/TR/media-frags/
|
|
*
|
|
* Returns: (transfer full) (element-type gchar* gchar*) (nullable): The
|
|
* fragment hash table from the URI.
|
|
*
|
|
* Since: 1.12
|
|
*/
|
|
GHashTable *
|
|
gst_uri_get_media_fragment_table (const GstUri * uri)
|
|
{
|
|
g_return_val_if_fail (uri == NULL || GST_IS_URI (uri), NULL);
|
|
|
|
if (!uri->fragment)
|
|
return NULL;
|
|
return _gst_uri_string_to_table (uri->fragment, "&", "=", TRUE, TRUE);
|
|
}
|
|
|
|
/**
|
|
* gst_uri_copy:
|
|
* @uri: This #GstUri object.
|
|
*
|
|
* Create a new #GstUri object with the same data as this #GstUri object.
|
|
* If @uri is %NULL then returns %NULL.
|
|
*
|
|
* Returns: (transfer full): A new #GstUri object which is a copy of this
|
|
* #GstUri or %NULL.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GstUri *
|
|
gst_uri_copy (const GstUri * uri)
|
|
{
|
|
return GST_URI_CAST (gst_mini_object_copy (GST_MINI_OBJECT_CONST_CAST (uri)));
|
|
}
|
|
|
|
/**
|
|
* gst_uri_ref:
|
|
* @uri: (transfer none): This #GstUri object.
|
|
*
|
|
* Add a reference to this #GstUri object. See gst_mini_object_ref() for further
|
|
* info.
|
|
*
|
|
* Returns: This object with the reference count incremented.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
GstUri *
|
|
gst_uri_ref (GstUri * uri)
|
|
{
|
|
return GST_URI_CAST (gst_mini_object_ref (GST_MINI_OBJECT_CAST (uri)));
|
|
}
|
|
|
|
/**
|
|
* gst_uri_unref:
|
|
* @uri: (transfer full): This #GstUri object.
|
|
*
|
|
* Decrement the reference count to this #GstUri object.
|
|
*
|
|
* If the reference count drops to 0 then finalize this object.
|
|
*
|
|
* See gst_mini_object_unref() for further info.
|
|
*
|
|
* Since: 1.6
|
|
*/
|
|
void
|
|
gst_uri_unref (GstUri * uri)
|
|
{
|
|
gst_mini_object_unref (GST_MINI_OBJECT_CAST (uri));
|
|
}
|
|
|
|
/**
|
|
* gst_clear_uri: (skip)
|
|
* @uri_ptr: a pointer to a #GstUri reference
|
|
*
|
|
* Clears a reference to a #GstUri.
|
|
*
|
|
* @uri_ptr must not be %NULL.
|
|
*
|
|
* If the reference is %NULL then this function does nothing. Otherwise, the
|
|
* reference count of the uri is decreased and the pointer is set to %NULL.
|
|
*
|
|
* Since: 1.18
|
|
*/
|
|
void
|
|
gst_clear_uri (GstUri ** uri_ptr)
|
|
{
|
|
gst_clear_mini_object ((GstMiniObject **) uri_ptr);
|
|
}
|