Add JavaScript API binding with NPAPI Plugin

2026-06-25 06:33:40 +08:00 · 2019-02-28 17:50:01 +08:00
parent 5b90476864
commit 7e1857d9e9
10 changed files with 2259 additions and 0 deletions
--- a/npapi/main.c
+++ b/npapi/main.c
@@ -0,0 +1,203 @@
+/* ====================================================================
+ * Copyright (c) 2016 - 2019 The GmSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the GmSSL Project.
+ *    (http://gmssl.org/)"
+ *
+ * 4. The name "GmSSL Project" must not be used to endorse or promote
+ *    products derived from this software without prior written
+ *    permission. For written permission, please contact
+ *    guanzhi1980@gmail.com.
+ *
+ * 5. Products derived from this software may not be called "GmSSL"
+ *    nor may "GmSSL" appear in their names without prior written
+ *    permission of the GmSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the GmSSL Project
+ *    (http://gmssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE GmSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#include "PluginObject.h"
+#include <stdio.h>
+#include <assert.h>
+
+
+#define PLUGIN_NAME		"GmSSL Plugin"
+#define PLUGIN_DESCRIPTION	"GmSSL NPAPI Plugin version 1.0"
+#define PLUGIN_MIME		"application/x-gmssl::GmSSL NPAPI Plugin"
+
+NPNetscapeFuncs* browser;
+
+
+NPError NPP_New(NPMIMEType pluginType, NPP instance, uint16 mode, int16 argc,
+	char* argn[], char* argv[], NPSavedData* saved)
+{
+	if (browser->version >= 14)
+		instance->pdata = browser->createobject(instance, getPluginClass());
+	return NPERR_NO_ERROR;
+}
+
+NPError NPP_Destroy(NPP instance, NPSavedData** save)
+{
+	return NPERR_NO_ERROR;
+}
+
+NPError NPP_SetWindow(NPP instance, NPWindow* window)
+{
+	return NPERR_NO_ERROR;
+}
+
+NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream,
+	NPBool seekable, uint16* stype)
+{
+	*stype = NP_ASFILEONLY;
+	return NPERR_NO_ERROR;
+}
+
+NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason)
+{
+	return NPERR_NO_ERROR;
+}
+
+int32 NPP_WriteReady(NPP instance, NPStream* stream)
+{
+	return 0;
+}
+
+int32 NPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len,
+	void* buffer)
+{
+	return 0;
+}
+
+void NPP_StreamAsFile(NPP instance, NPStream* stream, const char* fname)
+{
+}
+
+void NPP_Print(NPP instance, NPPrint* platformPrint)
+{
+}
+
+int16 NPP_HandleEvent(NPP instance, void* event)
+{
+	return 0;
+}
+
+void NPP_URLNotify(NPP instance, const char* url, NPReason reason,
+	void* notifyData)
+{
+}
+
+NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value)
+{
+	switch (variable) {
+	case NPPVpluginNameString:
+		*((char **)value) = PLUGIN_NAME;
+		return NPERR_NO_ERROR;
+
+	case NPPVpluginDescriptionString:
+		*((char **)value) = PLUGIN_DESCRIPTION;
+		return NPERR_NO_ERROR;
+
+	case NPPVpluginNeedsXEmbed:
+		*((NPBool *)value) = TRUE;
+		return NPERR_NO_ERROR;
+
+	case NPPVpluginScriptableNPObject:
+		assert(instance->pdata != NULL); /* this will not happen */
+		browser->retainobject((NPObject*)instance->pdata);
+		*((void **)value) = instance->pdata;
+		return NPERR_NO_ERROR;
+
+	default:
+		fprintf(stderr, "HcryptPlugin: %s() unknown value `%x'\n",
+			__FUNCTION__, variable);
+		return NPERR_GENERIC_ERROR;
+	}
+	return NPERR_GENERIC_ERROR;
+}
+
+NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
+{
+	return NPERR_GENERIC_ERROR;
+}
+
+NPError NP_GetValue(void* future, NPPVariable variable, void *value)
+{
+	return NPP_GetValue(future, variable, value);
+}
+
+NPError NP_GetEntryPoints(NPPluginFuncs* pluginFuncs)
+{
+	pluginFuncs->version		= 11;
+	pluginFuncs->size		= sizeof(pluginFuncs);
+	pluginFuncs->newp		= NPP_New;
+	pluginFuncs->destroy		= NPP_Destroy;
+	pluginFuncs->setwindow		= NPP_SetWindow;
+	pluginFuncs->newstream		= NPP_NewStream;
+	pluginFuncs->destroystream	= NPP_DestroyStream;
+	pluginFuncs->asfile		= NPP_StreamAsFile;
+	pluginFuncs->writeready		= NPP_WriteReady;
+	pluginFuncs->write		= (NPP_WriteProcPtr)NPP_Write;
+	pluginFuncs->print		= NPP_Print;
+	pluginFuncs->event		= NPP_HandleEvent;
+	pluginFuncs->urlnotify		= NPP_URLNotify;
+	pluginFuncs->getvalue		= NPP_GetValue;
+	pluginFuncs->setvalue		= NPP_SetValue;
+
+	return NPERR_NO_ERROR;
+}
+
+NPError NP_Initialize(NPNetscapeFuncs* browserFuncs, NPPluginFuncs* pluginFuncs)
+{
+	browser = browserFuncs;
+	NP_GetEntryPoints(pluginFuncs);
+	return NPERR_NO_ERROR;
+}
+
+char *NP_GetMIMEDescription(void)
+{
+	return (char *)PLUGIN_MIME;
+}
+
+void NP_Shutdown(void)
+{
+}
+
+#if 0
+#pragma export on
+NPError NP_Initialize(NPNetscapeFuncs* browserFuncs, NPPluginFuncs* pluginFuncs);
+NPError NP_GetEntryPoints(NPPluginFuncs *pluginFuncs);
+void NP_Shutdown(void);
+#pragma export off
+#endif