[totem] Pass referrer info to the plugin viewer

[Christian Persch <chpe src gnome org>]

commit 7f1a540554ff24698fafe8ad9f2a718e0a944153
Author: Christian Persch <chpe gnome org>
Date:   Thu Oct 22 13:26:15 2009 +0200

    Pass referrer info to the plugin viewer
    
    Get the plugin document's URI and pass that as the referrer to the
    plugin viewer.
    
    Part of bug #581857.

 browser-plugin/totem-plugin-viewer-options.h |    1 +
 browser-plugin/totem-plugin-viewer.c         |   16 +++++++++-
 browser-plugin/totemPlugin.cpp               |   40 +++++++++++++++++++++++++-
 browser-plugin/totemPlugin.h                 |    1 +
 4 files changed, 56 insertions(+), 2 deletions(-)
---
diff --git a/browser-plugin/totem-plugin-viewer-options.h b/browser-plugin/totem-plugin-viewer-options.h
index a168709..59f1070 100644
--- a/browser-plugin/totem-plugin-viewer-options.h
+++ b/browser-plugin/totem-plugin-viewer-options.h
@@ -36,5 +36,6 @@
 #define TOTEM_OPTION_USER_AGENT		"user-agent"
 #define TOTEM_OPTION_STATUSBAR		"statusbar"
 #define TOTEM_OPTION_AUDIOONLY		"audio-only"
+#define TOTEM_OPTION_REFERRER           "referrer"
 
 #endif /* !__TOTEM_PLUGIN_VIEWER_OPTIONS_H__ */
diff --git a/browser-plugin/totem-plugin-viewer.c b/browser-plugin/totem-plugin-viewer.c
index 6d02d07..0b3afac 100644
--- a/browser-plugin/totem-plugin-viewer.c
+++ b/browser-plugin/totem-plugin-viewer.c
@@ -2,7 +2,7 @@
  *
  * Copyright © 2004-2006 Bastien Nocera <hadess hadess net>
  * Copyright © 2002 David A. Schleef <ds schleef org>
- * Copyright © 2006 Christian Persch
+ * Copyright © 2006, 2009 Christian Persch
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -112,6 +112,7 @@ typedef struct _TotemEmbedded {
 	int width, height;
         char *user_agent;
 	const char *mimetype;
+        char *referrer_uri;
 	char *base_uri;
 	char *current_uri;
 	char *href_uri;
@@ -1751,6 +1752,16 @@ totem_embedded_construct (TotemEmbedded *emb,
 		emb->user_agent = NULL;
 	}
 
+        /* FIXMEchpe: this is just the initial value. I think in case e.g. we're doing
+         * a playlist, the playlist's URI should become the referrer?
+         */
+        g_print ("Referrer URI: %s\n", emb->referrer_uri);
+        if (emb->referrer_uri != NULL) {
+                bacon_video_widget_set_referrer (emb->bvw, emb->referrer_uri);
+                g_free (emb->referrer_uri);
+                emb->referrer_uri = NULL;
+        }
+
 	/* Fullscreen setup */
 	emb->fs_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 	gtk_widget_realize (emb->fs_window);
@@ -2122,6 +2133,7 @@ totem_embedded_push_parser (gpointer data)
 static char *arg_user_agent = NULL;
 static char *arg_mime_type = NULL;
 static char **arg_remaining = NULL;
+static char *arg_referrer = NULL;
 static gboolean arg_no_controls = FALSE;
 static gboolean arg_statusbar = FALSE;
 static gboolean arg_hidden = FALSE;
@@ -2169,6 +2181,7 @@ static GOptionEntry option_entries [] =
 	{ TOTEM_OPTION_REPEAT, 0, 0, G_OPTION_ARG_NONE, &arg_repeat, NULL, NULL },
 	{ TOTEM_OPTION_NOAUTOSTART, 0, 0, G_OPTION_ARG_NONE, &arg_no_autostart, NULL, NULL },
 	{ TOTEM_OPTION_AUDIOONLY, 0, 0, G_OPTION_ARG_NONE, &arg_audioonly, NULL, NULL },
+        { TOTEM_OPTION_REFERRER, 0, 0, G_OPTION_ARG_STRING, &arg_referrer, NULL, NULL },
 	{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY /* STRING? */, &arg_remaining, NULL },
 	{ NULL }
 };
@@ -2314,6 +2327,7 @@ int main (int argc, char **argv)
 	emb->audioonly = arg_audioonly;
 	emb->type = arg_plugin_type;
         emb->user_agent = arg_user_agent;
+        emb->referrer_uri = arg_referrer;
 
 	/* FIXME: register this BEFORE requesting the service name? */
 	dbus_g_connection_register_g_object
diff --git a/browser-plugin/totemPlugin.cpp b/browser-plugin/totemPlugin.cpp
index 3d9c862..30dea4b 100644
--- a/browser-plugin/totemPlugin.cpp
+++ b/browser-plugin/totemPlugin.cpp
@@ -2,7 +2,7 @@
  * 
  * Copyright © 2004-2006 Bastien Nocera <hadess hadess net>
  * Copyright © 2002 David A. Schleef <ds schleef org>
- * Copyright © 2006, 2007, 2008 Christian Persch
+ * Copyright © 2006, 2007, 2008, 2009 Christian Persch
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -210,6 +210,7 @@ totemPlugin::operator new (size_t aSize) throw ()
 totemPlugin::totemPlugin (NPP aNPP)
 :	mNPP (aNPP),
         mMimeType (NULL),
+        mDocumentURI (NULL),
         mBaseURI (NULL),
         mSrcURI (NULL),
         mRequestBaseURI (NULL),
@@ -280,6 +281,7 @@ totemPlugin::~totemPlugin ()
         g_free (mMimeType);
 
         g_free (mSrcURI);
+        g_free (mDocumentURI);
         g_free (mBaseURI);
         g_free (mRequestURI);
         g_free (mRequestBaseURI);
@@ -538,6 +540,15 @@ totemPlugin::ViewerFork ()
 		g_ptr_array_add (arr, g_strdup (userAgent));
 	}
 
+        /* FIXMEchpe: This passes the document URI of the document the plugin is in
+         * as the HTTP referrer. I'm not at all sure this is the right URI! Need
+         * to check what exactly the various legacy plugins pass here.
+         */
+        if (mDocumentURI) {
+		g_ptr_array_add (arr, g_strdup (DASHES TOTEM_OPTION_REFERRER));
+		g_ptr_array_add (arr, g_strdup (mDocumentURI));
+        }
+
 	/* FIXME: remove this */
 	if (mMimeType) {
 		g_ptr_array_add (arr, g_strdup (DASHES TOTEM_OPTION_MIMETYPE));
@@ -1924,6 +1935,33 @@ totemPlugin::Init (NPMIMEType mimetype,
 	}
 #endif /* TOTEM_COMPLEX_PLUGIN */
 
+        /* FIXMEchpe: should use totemNPObjectWrapper + getter_Retains(),
+         * but that causes a crash somehow, deep inside libxul...
+         */
+        totemNPVariantWrapper ownerDocument;
+        if (!NPN_GetProperty (mNPP,
+                              mPluginElement,
+                              NPN_GetStringIdentifier ("ownerDocument"),
+                              getter_Copies (ownerDocument)) ||
+            !ownerDocument.IsObject ()) {
+		Dm ("Failed to get the plugin element's ownerDocument");
+		return NPERR_GENERIC_ERROR;
+	}
+
+        totemNPVariantWrapper docURI;
+        if (!NPN_GetProperty (mNPP,
+                              ownerDocument.GetObject(),
+                              NPN_GetStringIdentifier ("documentURI"),
+                              getter_Copies (docURI)) ||
+            !docURI.IsString ()) {
+                Dm ("Failed to get the document URI");
+                return NPERR_GENERIC_ERROR;
+        }
+  
+        /* FIXMEchpe: need to resolve this against any base URIs ? */
+        mDocumentURI = g_strndup (docURI.GetString(), docURI.GetStringLen());
+        D ("Document URI is '%s'", mDocumentURI ? mDocumentURI : "");
+
 	/* We'd like to get the base URI of our DOM element as a nsIURI,
 	 * but there's no frozen method to do so (nsIContent/nsINode isn't available
 	 * for non-MOZILLA_INTERNAL_API code). nsIDOM3Node isn't frozen either,
diff --git a/browser-plugin/totemPlugin.h b/browser-plugin/totemPlugin.h
index fe7101f..4f91ed6 100644
--- a/browser-plugin/totemPlugin.h
+++ b/browser-plugin/totemPlugin.h
@@ -190,6 +190,7 @@ class totemPlugin {
 
     char* mMimeType;
 
+    char* mDocumentURI;
     char* mBaseURI;
     char* mSrcURI; /* relative to mBaseURI */
     char* mRequestBaseURI;