mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1078 lines
29 KiB
C
1078 lines
29 KiB
C
/* GStreamer
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* Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
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* Copyright (C) <2006> Rosfran Borges <rosfran.borges@indt.org.br>
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* Copyright (C) <2006> Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
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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
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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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#include "gstneonhttpsrc.h"
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#include <stdlib.h>
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#include <string.h>
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#ifdef _HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* _HAVE_UNISTD_H */
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#include <ne_redirect.h>
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#define STATUS_IS_REDIRECTION(status) ((status) >= 300 && (status) < 400)
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GST_DEBUG_CATEGORY_STATIC (neonhttpsrc_debug);
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#define GST_CAT_DEFAULT neonhttpsrc_debug
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#define MAX_READ_SIZE (4 * 1024)
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/* max number of HTTP redirects, when iterating over a sequence of HTTP 3xx status code */
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#define MAX_HTTP_REDIRECTS_NUMBER 5
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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#define HTTP_SOCKET_ERROR -2
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#define HTTP_REQUEST_WRONG_PROXY -1
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#define HTTP_DEFAULT_PORT 80
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#define HTTPS_DEFAULT_PORT 443
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#define HTTP_DEFAULT_HOST "localhost"
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/* default properties */
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#define DEFAULT_LOCATION "http://"HTTP_DEFAULT_HOST":"G_STRINGIFY(HTTP_DEFAULT_PORT)
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#define DEFAULT_PROXY ""
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#define DEFAULT_USER_AGENT "GStreamer neonhttpsrc"
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#define DEFAULT_IRADIO_MODE FALSE
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#define DEFAULT_IRADIO_NAME NULL
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#define DEFAULT_IRADIO_GENRE NULL
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#define DEFAULT_IRADIO_URL NULL
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#define DEFAULT_AUTOMATIC_REDIRECT TRUE
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#define DEFAULT_ACCEPT_SELF_SIGNED FALSE
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#define DEFAULT_NEON_HTTP_DEBUG FALSE
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enum
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{
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PROP_0,
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PROP_LOCATION,
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PROP_PROXY,
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PROP_USER_AGENT,
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PROP_IRADIO_MODE,
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PROP_IRADIO_NAME,
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PROP_IRADIO_GENRE,
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PROP_IRADIO_URL,
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PROP_AUTOMATIC_REDIRECT,
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PROP_ACCEPT_SELF_SIGNED,
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#ifndef GST_DISABLE_GST_DEBUG
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PROP_NEON_HTTP_DEBUG
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#endif
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};
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static void gst_neonhttp_src_uri_handler_init (gpointer g_iface,
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gpointer iface_data);
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static void gst_neonhttp_src_dispose (GObject * gobject);
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static void gst_neonhttp_src_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_neonhttp_src_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstFlowReturn gst_neonhttp_src_create (GstPushSrc * psrc,
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GstBuffer ** outbuf);
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static gboolean gst_neonhttp_src_start (GstBaseSrc * bsrc);
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static gboolean gst_neonhttp_src_stop (GstBaseSrc * bsrc);
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static gboolean gst_neonhttp_src_get_size (GstBaseSrc * bsrc, guint64 * size);
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static gboolean gst_neonhttp_src_is_seekable (GstBaseSrc * bsrc);
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static gboolean gst_neonhttp_src_do_seek (GstBaseSrc * bsrc,
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GstSegment * segment);
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static gboolean gst_neonhttp_src_set_proxy (GstNeonhttpSrc * src,
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const gchar * uri);
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static gboolean gst_neonhttp_src_set_location (GstNeonhttpSrc * src,
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const gchar * uri);
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static gint gst_neonhttp_src_send_request_and_redirect (GstNeonhttpSrc * src,
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ne_session ** ses, ne_request ** req, gint64 offset, gboolean do_redir);
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static gint gst_neonhttp_src_request_dispatch (GstNeonhttpSrc * src,
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GstBuffer * outbuf);
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static void gst_neonhttp_src_close_session (GstNeonhttpSrc * src);
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static gchar *gst_neonhttp_src_unicodify (const gchar * str);
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static void oom_callback (void);
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static void
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_urihandler_init (GType type)
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{
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static const GInterfaceInfo urihandler_info = {
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gst_neonhttp_src_uri_handler_init,
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NULL,
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NULL
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};
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g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &urihandler_info);
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GST_DEBUG_CATEGORY_INIT (neonhttpsrc_debug, "neonhttpsrc", 0,
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"NEON HTTP src");
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}
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GST_BOILERPLATE_FULL (GstNeonhttpSrc, gst_neonhttp_src, GstPushSrc,
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GST_TYPE_PUSH_SRC, _urihandler_init);
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static void
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gst_neonhttp_src_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&srctemplate));
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gst_element_class_set_details_simple (element_class, "HTTP client source",
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"Source/Network",
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"Receive data as a client over the network via HTTP using NEON",
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"Edgard Lima <edgard.lima@indt.org.br>, "
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"Rosfran Borges <rosfran.borges@indt.org.br>, "
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"Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>");
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}
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static void
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gst_neonhttp_src_class_init (GstNeonhttpSrcClass * klass)
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{
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GObjectClass *gobject_class;
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GstBaseSrcClass *gstbasesrc_class;
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GstPushSrcClass *gstpushsrc_class;
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gobject_class = (GObjectClass *) klass;
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gstbasesrc_class = (GstBaseSrcClass *) klass;
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gstpushsrc_class = (GstPushSrcClass *) klass;
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gobject_class->set_property = gst_neonhttp_src_set_property;
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gobject_class->get_property = gst_neonhttp_src_get_property;
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gobject_class->dispose = gst_neonhttp_src_dispose;
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g_object_class_install_property
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(gobject_class, PROP_LOCATION,
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g_param_spec_string ("location", "Location",
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"Location to read from", "", G_PARAM_READWRITE));
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g_object_class_install_property
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(gobject_class, PROP_PROXY,
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g_param_spec_string ("proxy", "Proxy",
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"Proxy server to use, in the form HOSTNAME:PORT. "
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"Defaults to the http_proxy environment variable",
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"", G_PARAM_READWRITE));
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g_object_class_install_property
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(gobject_class, PROP_USER_AGENT,
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g_param_spec_string ("user-agent", "User-Agent",
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"Value of the User-Agent HTTP request header field",
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"GStreamer neonhttpsrc", G_PARAM_READWRITE));
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g_object_class_install_property
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(gobject_class, PROP_IRADIO_MODE,
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g_param_spec_boolean ("iradio-mode", "iradio-mode",
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"Enable internet radio mode (extraction of shoutcast/icecast metadata)",
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FALSE, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class,
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PROP_IRADIO_NAME,
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g_param_spec_string ("iradio-name",
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"iradio-name", "Name of the stream", NULL, G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_IRADIO_GENRE,
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g_param_spec_string ("iradio-genre",
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"iradio-genre", "Genre of the stream", NULL, G_PARAM_READABLE));
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g_object_class_install_property (gobject_class,
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PROP_IRADIO_URL,
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g_param_spec_string ("iradio-url",
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"iradio-url",
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"Homepage URL for radio stream", NULL, G_PARAM_READABLE));
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g_object_class_install_property
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(gobject_class, PROP_AUTOMATIC_REDIRECT,
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g_param_spec_boolean ("automatic-redirect", "automatic-redirect",
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"Automatically follow HTTP redirects (HTTP Status Code 3xx)",
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TRUE, G_PARAM_READWRITE));
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g_object_class_install_property
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(gobject_class, PROP_ACCEPT_SELF_SIGNED,
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g_param_spec_boolean ("accept-self-signed", "accept-self-signed",
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"Accept self-signed SSL/TLS certificates",
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DEFAULT_ACCEPT_SELF_SIGNED, G_PARAM_READWRITE));
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#ifndef GST_DISABLE_GST_DEBUG
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g_object_class_install_property
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(gobject_class, PROP_NEON_HTTP_DEBUG,
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g_param_spec_boolean ("neon-http-debug", "neon-http-debug",
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"Enable Neon HTTP debug messages",
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DEFAULT_NEON_HTTP_DEBUG, G_PARAM_READWRITE));
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#endif
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gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_neonhttp_src_start);
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gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_neonhttp_src_stop);
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gstbasesrc_class->get_size = GST_DEBUG_FUNCPTR (gst_neonhttp_src_get_size);
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gstbasesrc_class->is_seekable =
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GST_DEBUG_FUNCPTR (gst_neonhttp_src_is_seekable);
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gstbasesrc_class->do_seek = GST_DEBUG_FUNCPTR (gst_neonhttp_src_do_seek);
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gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_neonhttp_src_create);
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GST_DEBUG_CATEGORY_INIT (neonhttpsrc_debug, "neonhttpsrc", 0,
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"NEON HTTP Client Source");
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}
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static void
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gst_neonhttp_src_init (GstNeonhttpSrc * src, GstNeonhttpSrcClass * g_class)
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{
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const gchar *str;
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src->neon_http_debug = DEFAULT_NEON_HTTP_DEBUG;
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src->iradio_mode = DEFAULT_IRADIO_MODE;
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src->iradio_name = DEFAULT_IRADIO_NAME;
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src->iradio_genre = DEFAULT_IRADIO_GENRE;
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src->iradio_url = DEFAULT_IRADIO_URL;
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src->user_agent = g_strdup (DEFAULT_USER_AGENT);
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src->automatic_redirect = DEFAULT_AUTOMATIC_REDIRECT;
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src->accept_self_signed = DEFAULT_ACCEPT_SELF_SIGNED;
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src->session = NULL;
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src->request = NULL;
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memset (&src->uri, 0, sizeof (src->uri));
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memset (&src->proxy, 0, sizeof (src->proxy));
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src->content_size = -1;
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src->icy_caps = NULL;
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src->icy_metaint = 0;
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src->seekable = TRUE;
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gst_neonhttp_src_set_location (src, DEFAULT_LOCATION);
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/* configure proxy */
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str = g_getenv ("http_proxy");
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if (str && !gst_neonhttp_src_set_proxy (src, str)) {
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GST_WARNING_OBJECT (src,
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"The proxy set on http_proxy env var ('%s') cannot be parsed.", str);
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}
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}
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static void
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gst_neonhttp_src_dispose (GObject * gobject)
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{
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GstNeonhttpSrc *src = GST_NEONHTTP_SRC (gobject);
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ne_uri_free (&src->uri);
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ne_uri_free (&src->proxy);
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g_free (src->user_agent);
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g_free (src->iradio_name);
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g_free (src->iradio_genre);
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g_free (src->iradio_url);
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if (src->icy_caps) {
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gst_caps_unref (src->icy_caps);
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src->icy_caps = NULL;
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}
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if (src->request) {
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ne_request_destroy (src->request);
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src->request = NULL;
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}
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if (src->session) {
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ne_close_connection (src->session);
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ne_session_destroy (src->session);
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src->session = NULL;
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}
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if (src->location) {
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ne_free (src->location);
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}
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if (src->query_string) {
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ne_free (src->query_string);
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}
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G_OBJECT_CLASS (parent_class)->dispose (gobject);
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}
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static void
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gst_neonhttp_src_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstNeonhttpSrc *src = GST_NEONHTTP_SRC (object);
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switch (prop_id) {
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case PROP_PROXY:
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{
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const gchar *proxy;
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proxy = g_value_get_string (value);
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if (proxy == NULL) {
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GST_WARNING ("proxy property cannot be NULL");
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goto done;
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}
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if (!gst_neonhttp_src_set_proxy (src, proxy)) {
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GST_WARNING ("badly formated proxy");
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goto done;
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}
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break;
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}
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case PROP_LOCATION:
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{
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const gchar *location;
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location = g_value_get_string (value);
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if (location == NULL) {
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GST_WARNING ("location property cannot be NULL");
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goto done;
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}
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if (!gst_neonhttp_src_set_location (src, location)) {
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GST_WARNING ("badly formated location");
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goto done;
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}
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break;
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}
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case PROP_USER_AGENT:
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if (src->user_agent)
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g_free (src->user_agent);
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src->user_agent = g_strdup (g_value_get_string (value));
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break;
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case PROP_IRADIO_MODE:
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src->iradio_mode = g_value_get_boolean (value);
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break;
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case PROP_AUTOMATIC_REDIRECT:
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src->automatic_redirect = g_value_get_boolean (value);
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break;
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case PROP_ACCEPT_SELF_SIGNED:
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src->accept_self_signed = g_value_get_boolean (value);
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break;
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#ifndef GST_DISABLE_GST_DEBUG
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case PROP_NEON_HTTP_DEBUG:
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src->neon_http_debug = g_value_get_boolean (value);
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break;
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#endif
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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done:
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return;
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}
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static void
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gst_neonhttp_src_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstNeonhttpSrc *neonhttpsrc = GST_NEONHTTP_SRC (object);
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switch (prop_id) {
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case PROP_PROXY:
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{
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gchar *str;
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if (neonhttpsrc->proxy.host) {
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str = ne_uri_unparse (&neonhttpsrc->proxy);
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if (!str)
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break;
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g_value_set_string (value, str);
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ne_free (str);
|
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} else {
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g_value_set_static_string (value, "");
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}
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break;
|
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}
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case PROP_LOCATION:
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{
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gchar *str;
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|
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if (neonhttpsrc->uri.host) {
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str = ne_uri_unparse (&neonhttpsrc->uri);
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if (!str)
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break;
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g_value_set_string (value, str);
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ne_free (str);
|
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} else {
|
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g_value_set_static_string (value, "");
|
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}
|
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break;
|
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}
|
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case PROP_USER_AGENT:
|
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g_value_set_string (value, neonhttpsrc->user_agent);
|
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break;
|
|
case PROP_IRADIO_MODE:
|
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g_value_set_boolean (value, neonhttpsrc->iradio_mode);
|
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break;
|
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case PROP_IRADIO_NAME:
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g_value_set_string (value, neonhttpsrc->iradio_name);
|
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break;
|
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case PROP_IRADIO_GENRE:
|
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g_value_set_string (value, neonhttpsrc->iradio_genre);
|
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break;
|
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case PROP_IRADIO_URL:
|
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g_value_set_string (value, neonhttpsrc->iradio_url);
|
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break;
|
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case PROP_AUTOMATIC_REDIRECT:
|
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g_value_set_boolean (value, neonhttpsrc->automatic_redirect);
|
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break;
|
|
case PROP_ACCEPT_SELF_SIGNED:
|
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g_value_set_boolean (value, neonhttpsrc->accept_self_signed);
|
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break;
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
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case PROP_NEON_HTTP_DEBUG:
|
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g_value_set_boolean (value, neonhttpsrc->neon_http_debug);
|
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break;
|
|
#endif
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
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break;
|
|
}
|
|
}
|
|
|
|
/* NEON CALLBACK */
|
|
static void
|
|
oom_callback (void)
|
|
{
|
|
GST_ERROR ("memory exeception in neon");
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_neonhttp_src_create (GstPushSrc * psrc, GstBuffer ** outbuf)
|
|
{
|
|
GstNeonhttpSrc *src;
|
|
GstBaseSrc *basesrc;
|
|
GstFlowReturn ret;
|
|
gint read;
|
|
|
|
src = GST_NEONHTTP_SRC (psrc);
|
|
basesrc = GST_BASE_SRC_CAST (psrc);
|
|
|
|
/* The caller should know the number of bytes and not read beyond EOS. */
|
|
if (G_UNLIKELY (src->eos))
|
|
goto eos;
|
|
|
|
/* Create the buffer. */
|
|
ret = gst_pad_alloc_buffer (GST_BASE_SRC_PAD (basesrc),
|
|
basesrc->segment.last_stop, basesrc->blocksize,
|
|
src->icy_caps ? src->icy_caps :
|
|
GST_PAD_CAPS (GST_BASE_SRC_PAD (basesrc)), outbuf);
|
|
|
|
if (G_UNLIKELY (ret != GST_FLOW_OK))
|
|
goto done;
|
|
|
|
read = gst_neonhttp_src_request_dispatch (src, *outbuf);
|
|
if (G_UNLIKELY (read < 0))
|
|
goto read_error;
|
|
|
|
GST_LOG_OBJECT (src, "returning %u bytes", GST_BUFFER_SIZE (*outbuf));
|
|
|
|
done:
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
eos:
|
|
{
|
|
GST_DEBUG_OBJECT (src, "EOS reached");
|
|
return GST_FLOW_UNEXPECTED;
|
|
}
|
|
read_error:
|
|
{
|
|
GST_ELEMENT_ERROR (src, RESOURCE, READ,
|
|
(NULL), ("Could not read any bytes (%i, %s)", read,
|
|
ne_get_error (src->session)));
|
|
gst_buffer_unref (*outbuf);
|
|
*outbuf = NULL;
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
/* create a socket for connecting to remote server */
|
|
static gboolean
|
|
gst_neonhttp_src_start (GstBaseSrc * bsrc)
|
|
{
|
|
GstNeonhttpSrc *src = GST_NEONHTTP_SRC (bsrc);
|
|
const gchar *content_length;
|
|
gint res;
|
|
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
|
if (src->neon_http_debug)
|
|
ne_debug_init (stderr, NE_DBG_HTTP);
|
|
#endif
|
|
|
|
ne_oom_callback (oom_callback);
|
|
|
|
res = ne_sock_init ();
|
|
if (res != 0)
|
|
goto init_failed;
|
|
|
|
res = gst_neonhttp_src_send_request_and_redirect (src,
|
|
&src->session, &src->request, 0, src->automatic_redirect);
|
|
|
|
if (res != NE_OK || !src->session) {
|
|
if (res == HTTP_SOCKET_ERROR) {
|
|
goto socket_error;
|
|
} else if (res == HTTP_REQUEST_WRONG_PROXY) {
|
|
goto wrong_proxy;
|
|
} else {
|
|
goto begin_req_failed;
|
|
}
|
|
}
|
|
|
|
content_length = ne_get_response_header (src->request, "Content-Length");
|
|
|
|
if (content_length)
|
|
src->content_size = g_ascii_strtoull (content_length, NULL, 10);
|
|
else
|
|
src->content_size = -1;
|
|
|
|
if (src->iradio_mode) {
|
|
/* Icecast stuff */
|
|
const gchar *str_value;
|
|
gint gint_value;
|
|
|
|
str_value = ne_get_response_header (src->request, "icy-metaint");
|
|
if (str_value) {
|
|
if (sscanf (str_value, "%d", &gint_value) == 1) {
|
|
if (src->icy_caps) {
|
|
gst_caps_unref (src->icy_caps);
|
|
src->icy_caps = NULL;
|
|
}
|
|
src->icy_metaint = gint_value;
|
|
src->icy_caps = gst_caps_new_simple ("application/x-icy",
|
|
"metadata-interval", G_TYPE_INT, src->icy_metaint, NULL);
|
|
}
|
|
}
|
|
|
|
str_value = ne_get_response_header (src->request, "icy-name");
|
|
if (str_value) {
|
|
if (src->iradio_name) {
|
|
g_free (src->iradio_name);
|
|
src->iradio_name = NULL;
|
|
}
|
|
src->iradio_name = gst_neonhttp_src_unicodify (str_value);
|
|
}
|
|
str_value = ne_get_response_header (src->request, "icy-genre");
|
|
if (str_value) {
|
|
if (src->iradio_genre) {
|
|
g_free (src->iradio_genre);
|
|
src->iradio_genre = NULL;
|
|
}
|
|
src->iradio_genre = gst_neonhttp_src_unicodify (str_value);
|
|
}
|
|
str_value = ne_get_response_header (src->request, "icy-url");
|
|
if (str_value) {
|
|
if (src->iradio_url) {
|
|
g_free (src->iradio_url);
|
|
src->iradio_url = NULL;
|
|
}
|
|
src->iradio_url = gst_neonhttp_src_unicodify (str_value);
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
init_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (src, LIBRARY, INIT, (NULL),
|
|
("ne_sock_init() failed: %d", res));
|
|
return FALSE;
|
|
}
|
|
socket_error:
|
|
{
|
|
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
|
|
("HTTP Request failed when opening socket: %d", res));
|
|
return FALSE;
|
|
}
|
|
wrong_proxy:
|
|
{
|
|
GST_ELEMENT_ERROR (src, RESOURCE, SETTINGS, (NULL),
|
|
("Proxy Server URI is invalid - make sure that either both proxy host "
|
|
"and port are specified or neither."));
|
|
return FALSE;
|
|
}
|
|
begin_req_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
|
|
("Could not begin request: %d", res));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* close the socket and associated resources
|
|
* used both to recover from errors and go to NULL state */
|
|
static gboolean
|
|
gst_neonhttp_src_stop (GstBaseSrc * bsrc)
|
|
{
|
|
GstNeonhttpSrc *src;
|
|
|
|
src = GST_NEONHTTP_SRC (bsrc);
|
|
|
|
if (src->iradio_name) {
|
|
g_free (src->iradio_name);
|
|
src->iradio_name = NULL;
|
|
}
|
|
|
|
if (src->iradio_genre) {
|
|
g_free (src->iradio_genre);
|
|
src->iradio_genre = NULL;
|
|
}
|
|
|
|
if (src->iradio_url) {
|
|
g_free (src->iradio_url);
|
|
src->iradio_url = NULL;
|
|
}
|
|
|
|
if (src->icy_caps) {
|
|
gst_caps_unref (src->icy_caps);
|
|
src->icy_caps = NULL;
|
|
}
|
|
|
|
src->eos = FALSE;
|
|
src->content_size = -1;
|
|
src->read_position = 0;
|
|
src->seekable = TRUE;
|
|
|
|
gst_neonhttp_src_close_session (src);
|
|
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
|
ne_debug_init (NULL, 0);
|
|
#endif
|
|
ne_oom_callback (NULL);
|
|
ne_sock_exit ();
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_neonhttp_src_get_size (GstBaseSrc * bsrc, guint64 * size)
|
|
{
|
|
GstNeonhttpSrc *src;
|
|
|
|
src = GST_NEONHTTP_SRC (bsrc);
|
|
|
|
if (src->content_size == -1)
|
|
return FALSE;
|
|
|
|
*size = src->content_size;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_neonhttp_src_is_seekable (GstBaseSrc * bsrc)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_neonhttp_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
|
|
{
|
|
GstNeonhttpSrc *src;
|
|
gint res;
|
|
ne_session *session = NULL;
|
|
ne_request *request = NULL;
|
|
|
|
src = GST_NEONHTTP_SRC (bsrc);
|
|
|
|
if (!src->seekable)
|
|
return FALSE;
|
|
|
|
if (src->read_position == segment->start)
|
|
return TRUE;
|
|
|
|
res = gst_neonhttp_src_send_request_and_redirect (src,
|
|
&session, &request, segment->start, src->automatic_redirect);
|
|
|
|
/* if we are able to seek, replace the session */
|
|
if (res == NE_OK && session) {
|
|
gst_neonhttp_src_close_session (src);
|
|
src->session = session;
|
|
src->request = request;
|
|
src->read_position = segment->start;
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_neonhttp_src_set_location (GstNeonhttpSrc * src, const gchar * uri)
|
|
{
|
|
ne_uri_free (&src->uri);
|
|
if (src->location) {
|
|
ne_free (src->location);
|
|
src->location = NULL;
|
|
}
|
|
if (src->query_string) {
|
|
ne_free (src->query_string);
|
|
src->query_string = NULL;
|
|
}
|
|
|
|
if (ne_uri_parse (uri, &src->uri) != 0)
|
|
goto parse_error;
|
|
|
|
if (src->uri.scheme == NULL)
|
|
src->uri.scheme = g_strdup ("http");
|
|
|
|
if (src->uri.host == NULL)
|
|
src->uri.host = g_strdup (DEFAULT_LOCATION);
|
|
|
|
if (src->uri.port == 0) {
|
|
if (!strcmp (src->uri.scheme, "https"))
|
|
src->uri.port = HTTPS_DEFAULT_PORT;
|
|
else
|
|
src->uri.port = HTTP_DEFAULT_PORT;
|
|
}
|
|
|
|
if (!src->uri.path)
|
|
src->uri.path = g_strdup ("");
|
|
|
|
src->query_string = g_strjoin ("?", src->uri.path, src->uri.query, NULL);
|
|
|
|
src->location = ne_uri_unparse (&src->uri);
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
parse_error:
|
|
{
|
|
if (src->location) {
|
|
ne_free (src->location);
|
|
src->location = NULL;
|
|
}
|
|
if (src->query_string) {
|
|
ne_free (src->query_string);
|
|
src->query_string = NULL;
|
|
}
|
|
ne_uri_free (&src->uri);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_neonhttp_src_set_proxy (GstNeonhttpSrc * src, const char *uri)
|
|
{
|
|
ne_uri_free (&src->proxy);
|
|
|
|
if (ne_uri_parse (uri, &src->proxy) != 0)
|
|
goto error;
|
|
|
|
if (src->proxy.scheme)
|
|
GST_WARNING ("The proxy schema shouldn't be defined (schema is '%s')",
|
|
src->proxy.scheme);
|
|
|
|
if (src->proxy.host && !src->proxy.port)
|
|
goto error;
|
|
|
|
if (!src->proxy.path || src->proxy.userinfo)
|
|
goto error;
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
error:
|
|
{
|
|
ne_uri_free (&src->proxy);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
ssl_verify_callback (void *data, int failures, const ne_ssl_certificate * cert)
|
|
{
|
|
GstNeonhttpSrc *src = GST_NEONHTTP_SRC (data);
|
|
|
|
if ((failures & NE_SSL_UNTRUSTED) &&
|
|
src->accept_self_signed && !ne_ssl_cert_signedby (cert)) {
|
|
GST_ELEMENT_INFO (src, RESOURCE, READ,
|
|
(NULL), ("Accepting self-signed server certificate"));
|
|
|
|
failures &= ~NE_SSL_UNTRUSTED;
|
|
}
|
|
|
|
if (failures & NE_SSL_NOTYETVALID)
|
|
GST_ELEMENT_ERROR (src, RESOURCE, READ,
|
|
(NULL), ("Server certificate not valid yet"));
|
|
if (failures & NE_SSL_EXPIRED)
|
|
GST_ELEMENT_ERROR (src, RESOURCE, READ,
|
|
(NULL), ("Server certificate has expired"));
|
|
if (failures & NE_SSL_IDMISMATCH)
|
|
GST_ELEMENT_ERROR (src, RESOURCE, READ,
|
|
(NULL), ("Server certificate doesn't match hostname"));
|
|
if (failures & NE_SSL_UNTRUSTED)
|
|
GST_ELEMENT_ERROR (src, RESOURCE, READ,
|
|
(NULL), ("Server certificate signer not trusted"));
|
|
|
|
GST_DEBUG_OBJECT (src, "failures: %d\n", failures);
|
|
|
|
return failures;
|
|
}
|
|
|
|
/* Try to send the HTTP request to the Icecast server, and if possible deals with
|
|
* all the probable redirections (HTTP status code == 3xx)
|
|
*/
|
|
static gint
|
|
gst_neonhttp_src_send_request_and_redirect (GstNeonhttpSrc * src,
|
|
ne_session ** ses, ne_request ** req, gint64 offset, gboolean do_redir)
|
|
{
|
|
ne_session *session = NULL;
|
|
ne_request *request = NULL;
|
|
gint res;
|
|
gint http_status = 0;
|
|
guint request_count = 0;
|
|
|
|
do {
|
|
if (src->proxy.host && src->proxy.port) {
|
|
session =
|
|
ne_session_create (src->uri.scheme, src->uri.host, src->uri.port);
|
|
ne_session_proxy (session, src->proxy.host, src->proxy.port);
|
|
} else if (src->proxy.host || src->proxy.port) {
|
|
/* both proxy host and port must be specified or none */
|
|
return HTTP_REQUEST_WRONG_PROXY;
|
|
} else {
|
|
session =
|
|
ne_session_create (src->uri.scheme, src->uri.host, src->uri.port);
|
|
}
|
|
|
|
ne_set_session_flag (session, NE_SESSFLAG_ICYPROTO, 1);
|
|
ne_ssl_set_verify (session, ssl_verify_callback, src);
|
|
|
|
request = ne_request_create (session, "GET", src->query_string);
|
|
|
|
if (src->user_agent) {
|
|
ne_add_request_header (request, "User-Agent", src->user_agent);
|
|
}
|
|
|
|
if (src->iradio_mode) {
|
|
ne_add_request_header (request, "icy-metadata", "1");
|
|
}
|
|
|
|
if (offset > 0) {
|
|
ne_print_request_header (request, "Range",
|
|
"bytes=%" G_GINT64_FORMAT "-", offset);
|
|
}
|
|
|
|
res = ne_begin_request (request);
|
|
|
|
if (res == NE_OK) {
|
|
/* When the HTTP status code is 3xx, it is not the SHOUTcast streaming content yet;
|
|
* Reload the HTTP request with a new URI value */
|
|
http_status = ne_get_status (request)->code;
|
|
if (STATUS_IS_REDIRECTION (http_status) && do_redir) {
|
|
const gchar *redir;
|
|
|
|
/* the new URI value to go when redirecting can be found on the 'Location' HTTP header */
|
|
redir = ne_get_response_header (request, "Location");
|
|
if (redir != NULL) {
|
|
ne_uri_free (&src->uri);
|
|
gst_neonhttp_src_set_location (src, redir);
|
|
GST_LOG_OBJECT (src, "Got HTTP Status Code %d", http_status);
|
|
GST_LOG_OBJECT (src, "Using 'Location' header [%s]", src->uri.host);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((res != NE_OK) ||
|
|
(offset == 0 && http_status != 200) ||
|
|
(offset > 0 && http_status != 206 &&
|
|
!STATUS_IS_REDIRECTION (http_status))) {
|
|
ne_request_destroy (request);
|
|
request = NULL;
|
|
ne_close_connection (session);
|
|
ne_session_destroy (session);
|
|
session = NULL;
|
|
if (offset > 0 && http_status != 206 &&
|
|
!STATUS_IS_REDIRECTION (http_status)) {
|
|
src->seekable = FALSE;
|
|
}
|
|
}
|
|
|
|
/* if - NE_OK */
|
|
if (STATUS_IS_REDIRECTION (http_status) && do_redir) {
|
|
++request_count;
|
|
GST_LOG_OBJECT (src, "redirect request_count is now %d", request_count);
|
|
if (request_count < MAX_HTTP_REDIRECTS_NUMBER && do_redir) {
|
|
GST_INFO_OBJECT (src, "Redirecting to %s", src->uri.host);
|
|
} else {
|
|
GST_WARNING_OBJECT (src, "Will not redirect, try again with a "
|
|
"different URI or redirect location %s", src->uri.host);
|
|
}
|
|
/* FIXME: when not redirecting automatically, shouldn't we post a
|
|
* redirect element message on the bus? */
|
|
}
|
|
/* do the redirect, go back to send another HTTP request now using the 'Location' */
|
|
} while (do_redir && (request_count < MAX_HTTP_REDIRECTS_NUMBER)
|
|
&& STATUS_IS_REDIRECTION (http_status));
|
|
|
|
if (session) {
|
|
*ses = session;
|
|
*req = request;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static gint
|
|
gst_neonhttp_src_request_dispatch (GstNeonhttpSrc * src, GstBuffer * outbuf)
|
|
{
|
|
gint ret;
|
|
gint read = 0;
|
|
gint sizetoread = GST_BUFFER_SIZE (outbuf);
|
|
|
|
/* Loop sending the request:
|
|
* Retry whilst authentication fails and we supply it. */
|
|
|
|
ssize_t len = 0;
|
|
|
|
while (sizetoread > 0) {
|
|
len = ne_read_response_block (src->request,
|
|
(gchar *) GST_BUFFER_DATA (outbuf) + read, sizetoread);
|
|
if (len > 0) {
|
|
read += len;
|
|
sizetoread -= len;
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
GST_BUFFER_SIZE (outbuf) = read;
|
|
|
|
if (len < 0) {
|
|
read = -2;
|
|
goto done;
|
|
} else if (len == 0) {
|
|
ret = ne_end_request (src->request);
|
|
if (ret != NE_RETRY) {
|
|
if (ret == NE_OK) {
|
|
src->eos = TRUE;
|
|
} else {
|
|
read = -3;
|
|
}
|
|
}
|
|
goto done;
|
|
}
|
|
|
|
if (read > 0)
|
|
src->read_position += read;
|
|
|
|
done:
|
|
return read;
|
|
}
|
|
|
|
static void
|
|
gst_neonhttp_src_close_session (GstNeonhttpSrc * src)
|
|
{
|
|
if (src->request) {
|
|
ne_request_destroy (src->request);
|
|
src->request = NULL;
|
|
}
|
|
|
|
if (src->session) {
|
|
ne_close_connection (src->session);
|
|
ne_session_destroy (src->session);
|
|
src->session = NULL;
|
|
}
|
|
}
|
|
|
|
/* The following two charset mangling functions were copied from gnomevfssrc.
|
|
* Preserve them under the unverified assumption that they do something vaguely
|
|
* worthwhile.
|
|
*/
|
|
static gchar *
|
|
unicodify (const gchar * str, gint len, ...)
|
|
{
|
|
gchar *ret = NULL, *cset;
|
|
va_list args;
|
|
gsize bytes_read, bytes_written;
|
|
|
|
if (g_utf8_validate (str, len, NULL))
|
|
return g_strndup (str, len >= 0 ? len : strlen (str));
|
|
|
|
va_start (args, len);
|
|
while ((cset = va_arg (args, gchar *)) != NULL) {
|
|
if (!strcmp (cset, "locale"))
|
|
ret = g_locale_to_utf8 (str, len, &bytes_read, &bytes_written, NULL);
|
|
else
|
|
ret = g_convert (str, len, "UTF-8", cset,
|
|
&bytes_read, &bytes_written, NULL);
|
|
if (ret)
|
|
break;
|
|
}
|
|
va_end (args);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gchar *
|
|
gst_neonhttp_src_unicodify (const gchar * str)
|
|
{
|
|
return unicodify (str, -1, "locale", "ISO-8859-1", NULL);
|
|
}
|
|
|
|
/* GstURIHandler Interface */
|
|
static guint
|
|
gst_neonhttp_src_uri_get_type (void)
|
|
{
|
|
return GST_URI_SRC;
|
|
}
|
|
|
|
static gchar **
|
|
gst_neonhttp_src_uri_get_protocols (void)
|
|
{
|
|
static const gchar *protocols[] = { "http", "https", NULL };
|
|
return (gchar **) protocols;
|
|
}
|
|
|
|
static const gchar *
|
|
gst_neonhttp_src_uri_get_uri (GstURIHandler * handler)
|
|
{
|
|
GstNeonhttpSrc *src = GST_NEONHTTP_SRC (handler);
|
|
|
|
return src->location;
|
|
}
|
|
|
|
static gboolean
|
|
gst_neonhttp_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
|
|
{
|
|
GstNeonhttpSrc *src = GST_NEONHTTP_SRC (handler);
|
|
|
|
return gst_neonhttp_src_set_location (src, uri);
|
|
}
|
|
|
|
static void
|
|
gst_neonhttp_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
|
|
{
|
|
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
|
|
|
|
iface->get_type = gst_neonhttp_src_uri_get_type;
|
|
iface->get_protocols = gst_neonhttp_src_uri_get_protocols;
|
|
iface->get_uri = gst_neonhttp_src_uri_get_uri;
|
|
iface->set_uri = gst_neonhttp_src_uri_set_uri;
|
|
}
|
|
|
|
/* entry point to initialize the plug-in
|
|
* initialize the plug-in itself
|
|
* register the element factories and pad templates
|
|
* register the features
|
|
*/
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
return gst_element_register (plugin, "neonhttpsrc", GST_RANK_NONE,
|
|
GST_TYPE_NEONHTTP_SRC);
|
|
}
|
|
|
|
/* this is the structure that gst-register looks for
|
|
* so keep the name plugin_desc, or you cannot get your plug-in registered */
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
"neon",
|
|
"lib neon http client src",
|
|
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|