/// <summary>
/// Unittest helper method to create a String JsVal
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
private static JsVal CreateJsVal(string jscript)
{
using (AutoJSContext cx = new AutoJSContext(GlobalJSContextHolder.BackstageJSContext))
{
var ptr = new JsVal();
var _securityManager = Xpcom.GetService<nsIScriptSecurityManager>("@mozilla.org/scriptsecuritymanager;1");
var _systemPrincipal = _securityManager.GetSystemPrincipal();
IntPtr globalObject = SpiderMonkey.JS_GetGlobalForScopeChain(cx.ContextPointer);
bool ret = SpiderMonkey.JS_EvaluateScript(cx.ContextPointer, globalObject, jscript, (uint)jscript.Length, "script", 1, ref ptr);
Assert.IsTrue(ret);
Marshal.ReleaseComObject(_securityManager);
return ptr;
}
}
public static IntPtr JS_ValueToString(IntPtr cx, JsVal v)
{
if (Xpcom.Is32Bit)
{
if (Xpcom.IsLinux)
return JS_ValueToString_Linux32(cx, ref v);
return JS_ValueToString_Win32(cx, ref v);
}
else
{
if (Xpcom.IsLinux)
return JS_ValueToString_Linux64(cx, ref v);
return JS_ValueToString_Win64(cx, ref v);
}
}
public static JSType JS_TypeOfValue(IntPtr cx, JsVal jsVal)
{
if (Xpcom.Is32Bit)
{
if (Xpcom.IsLinux)
return JS_TypeOfValue_Linux32(cx, ref jsVal);
return JS_TypeOfValue_Win32(cx, ref jsVal);
}
else
{
if (Xpcom.IsLinux)
return JS_TypeOfValue_Linux64(cx, ref jsVal);
return JS_TypeOfValue_Win64(cx, ref jsVal);
}
}
public JsVal EvaluateScript(string javaScript)
{
string msg = String.Empty;
var old = SpiderMonkey.JS_SetErrorReporter(_cx, (cx, message, report) => { msg = message; });
try
{
var jsValue = new JsVal();
var ret = SpiderMonkey.JS_EvaluateScript(_cx, PeekCompartmentScope(), javaScript, (uint) javaScript.Length, "script",
1, ref jsValue);
if (!ret)
{
throw new GeckoJavaScriptException(String.Format("JSError : {0}", msg));
}
return jsValue;
}
finally
{
SpiderMonkey.JS_SetErrorReporter(_cx, old);
}
}
/// <summary>
/// Evaluate javascript in the current context.
/// </summary>
/// <param name="jsScript"></param>
/// <param name="thisObject">a nsISupports com object that this is set too.</param>
/// <param name="result"></param>
/// <returns></returns>
public bool EvaluateScript(string jsScript, nsISupports thisObject, out string result)
{
try
{
Guid guid = typeof(nsISupports).GUID;
IntPtr globalObject = SpiderMonkey.JS_GetGlobalForScopeChain(_cx);
var ptr = new JsVal();
var wrapper = XPConnect.WrapNative(_cx, globalObject, thisObject, ref guid);
bool ret = SpiderMonkey.JS_EvaluateScript(_cx, wrapper.GetJSObjectAttribute(), jsScript, (uint)jsScript.Length, "script", 1, ref ptr);
IntPtr jsStringPtr = SpiderMonkey.JS_ValueToString(_cx, ptr);
result = Marshal.PtrToStringAnsi(SpiderMonkey.JS_EncodeString(_cx, jsStringPtr));
return ret;
}
catch (Exception e)
{
Console.WriteLine("Exception {0}", e);
result = String.Empty;
return false;
}
}
/// <summary>
/// Evaluate javascript in the current context.
/// </summary>
/// <param name="jsScript"></param>
/// <param name="jsval"></param>
/// <returns></returns>
public bool EvaluateFullTrustScriptForCurrentContext(string jsScript, out string result)
{
var ptr = new JsVal();
IntPtr globalObject = SpiderMonkey.JS_GetGlobalForScopeChain(_cx);
bool ret;
using (var security = new FullTrustSecMan(XPConnect, _cx))
{
ret = SpiderMonkey.JS_EvaluateScript(_cx, globalObject, jsScript, (uint)jsScript.Length, "script", 1, ref ptr);
IntPtr jsStringPtr = SpiderMonkey.JS_ValueToString(_cx, ptr);
result = Marshal.PtrToStringAnsi(SpiderMonkey.JS_EncodeString(_cx, jsStringPtr));
}
return ret;
}
private static extern bool JS_EvaluateScript_Win64(IntPtr cx, IntPtr obj, string src, UInt32 length, string filename, UInt32 lineno, ref JsVal jsval);
public static extern bool JS_EvaluateScript(IntPtr cx, IntPtr obj, string src, UInt32 length, string filename, UInt32 lineno, ref JsVal jsval);
private static extern IntPtr JS_ValueToString_Win32(IntPtr cx, JsVal v);
public void SetOndeviceorientationAttribute(JsVal aOndeviceorientation, IntPtr jsContext)
{
throw new NotImplementedException();
}
public static string JsValToString(IntPtr cx, JsVal jsVal)
{
IntPtr ptr = SpiderMonkey.ToString(cx, ref jsVal);
return(StringFromNativeUtf8(ptr));
}
public static bool JS_SetProperty(IntPtr cx, IntPtr jsObject, string name, JsVal value)
{
return(JS_SetProperty(cx, ref jsObject, name, ref value));
}
public static JSType JS_TypeOfValue(IntPtr cx, JsVal jsVal)
{
return(JS_TypeOfValue(cx, ref jsVal));
}
public MutableJSVal(JsVal val)
{
_val = val;
}
public static bool JS_EvaluateScript(IntPtr cx, IntPtr obj, string src, UInt32 length, string filename, UInt32 lineno, ref JsVal jsval)
{
if (Xpcom.IsLinux)
{
throw new NotImplementedException();
}
return(JS_EvaluateScript_Win32(cx, obj, src, length, filename, lineno, ref jsval));
}
private static extern bool JS_EvaluateScriptForPrincipals_Win32(IntPtr cx, IntPtr obj, IntPtr principals, string src, UInt32 length, string filename, UInt32 lineno, ref JsVal jsval);
internal string ConvertValueToString(JsVal value)
{
IntPtr jsp = SpiderMonkey.JS_ValueToString(_cx, value);
if (jsp != IntPtr.Zero)
{
uint length;
var chars = SpiderMonkey.JS_GetStringCharsAndLength(_cx, jsp, out length);
if (chars != IntPtr.Zero)
return Marshal.PtrToStringUni(chars, (int)length);
}
return null;
}
public void SetOnafterprintAttribute(JsVal aOnafterprint, IntPtr jsContext)
{
throw new NotImplementedException();
}
public static IntPtr ToStringSlow(IntPtr cx, JsVal v)
{
return(ToStringSlow(cx, ref v));
}
public void SetOnmouseenterAttribute(JsVal aOnmouseenter, IntPtr jsContext)
{
throw new NotImplementedException();
}
internal static extern bool JS_CallFunctionValue(IntPtr cx, IntPtr jsObject, ref JsVal fval,
IntPtr passZero, ref MutableHandleValue jsValue);
public static extern IntPtr JS_ValueToString(IntPtr cx, JsVal v);
internal static extern IntPtr ToString(IntPtr cx, ref JsVal jsValue);
// JS_ValueToObject(JSContext *cx, JS::HandleValue v, JS::MutableHandleObject objp); private static extern bool JS_ValueToObject_Win64(IntPtr cx, ref JsVal jsValue, ref MutableHandle jsObject);
public static extern bool JS_SetProperty(IntPtr cx, ref IntPtr jsObject, string name, ref JsVal jsValue);
private static extern bool JS_GetProperty_Linux32(IntPtr cx, ref IntPtr jsObject, string name, ref JsVal jsValue);
public static extern JSType JS_TypeOfValue(IntPtr cx, ref JsVal jsVal);
/// <summary>
/// Evaluate javascript in the current context.
/// </summary>
/// <param name="jsScript"></param>
/// <param name="jsval"></param>
/// <returns></returns>
public bool EvaluateScript(string jsScript, out string result)
{
var ptr = new JsVal();
IntPtr globalObject = SpiderMonkey.JS_GetGlobalForScopeChain(_cx);
bool ret = SpiderMonkey.JS_EvaluateScript(_cx, globalObject, jsScript, (uint)jsScript.Length, "script", 1, ref ptr);
// TODO: maybe getting JS_EvaluateScriptForPrincipals working would increase priviliges of the running script.
//bool ret = SpiderMonkey.JS_EvaluateScriptForPrincipals(_cx, globalObject, ..., jsScript, (uint)jsScript.Length,"script", 1, ref ptr);
IntPtr jsStringPtr = SpiderMonkey.JS_ValueToString(_cx, ptr);
result = Marshal.PtrToStringAnsi(SpiderMonkey.JS_EncodeString(_cx, jsStringPtr));
return ret;
}
internal static extern bool JS_ValueToObject(IntPtr cx, ref JsVal jsValue, ref MutableHandle jsObject);
/// <summary>
/// Evaluate javascript in the current context.
/// </summary>
/// <param name="jsScript"></param>
/// <param name="jsval"></param>
/// <returns></returns>
public bool EvaluateScript(string jsScript, out string result)
{
var ptr = new JsVal();
bool ret = SpiderMonkey.JS_EvaluateScript(_cx, GetGlobalObject(), jsScript, (uint)jsScript.Length, "script", 1, ref ptr);
//bool ret = SpiderMonkey.JS_EvaluateScriptForPrincipals(_cx, globalObject, ..., jsScript, (uint)jsScript.Length,"script", 1, ref ptr);
result = ret ? ConvertValueToString(ptr) : null;
return ret;
}
public static extern IntPtr ToStringSlow(IntPtr cx, ref JsVal v);
/// <summary>
/// Evaluate javascript in the current context.
/// </summary>
/// <param name="jsScript"></param>
/// <param name="thisObject">a nsISupports com object that this is set too.</param>
/// <param name="result"></param>
/// <returns></returns>
public bool EvaluateScript(string jsScript, nsISupports thisObject, out string result)
{
try
{
Guid guid = typeof(nsISupports).GUID;
var ptr = new JsVal();
IntPtr globalObject = ConvertCOMObjectToJSObject(thisObject);
using (new JSAutoCompartment(_cx, globalObject))
{
bool ret = SpiderMonkey.JS_EvaluateScript(_cx, globalObject, jsScript, (uint)jsScript.Length, "script", 1, ref ptr);
result = ret ? ConvertValueToString(ptr) : null;
return ret;
}
}
catch (Exception e)
{
Console.WriteLine("Exception {0}", e);
result = String.Empty;
return false;
}
}
public static bool JS_EvaluateScriptForPrincipals(IntPtr cx, IntPtr obj, IntPtr principals, string src, UInt32 length, string filename, UInt32 lineno, ref JsVal jsval)
{
src = EncodeUnicodeScript(src);
length = (uint)src.Length;
if (Xpcom.Is32Bit)
{
if (Xpcom.IsLinux)
return JS_EvaluateScriptForPrincipals_Linux32(cx, obj, principals, src, length, filename, lineno, ref jsval);
return JS_EvaluateScriptForPrincipals_Win32(cx, obj, principals, src, length, filename, lineno, ref jsval);
}
else
{
if (Xpcom.IsLinux)
return JS_EvaluateScriptForPrincipals_Linux64(cx, obj, principals, src, length, filename, lineno, ref jsval);
return JS_EvaluateScriptForPrincipals_Win64(cx, obj, principals, src, length, filename, lineno, ref jsval);
}
}
public void PostMessage(JsVal message, nsAStringBase targetOrigin, IntPtr jsContext)
{
throw new NotImplementedException();
}
public static JsVal JS_GetProperty(IntPtr cx, IntPtr jsObject, string name)
{
JsVal Value = new JsVal();
if (Xpcom.Is32Bit)
{
if (Xpcom.IsLinux)
JS_GetProperty_Linux32(cx, ref jsObject, name, ref Value);
else
JS_GetProperty_Win32(cx, ref jsObject, name, ref Value);
}
else
{
if (Xpcom.IsLinux)
JS_GetProperty_Linux64(cx, ref jsObject, name, ref Value);
else
throw new NotImplementedException();
}
return Value;
}
public void SetOnbeforeunloadAttribute(JsVal aOnbeforeunload, IntPtr jsContext)
{
throw new NotImplementedException();
}
public void SetOnresizeAttribute(JsVal aOnresize, IntPtr jsContext)
{
throw new NotImplementedException();
}
public void SetOndeviceproximityAttribute(JsVal aOndeviceproximity, IntPtr jsContext)
{
throw new NotImplementedException();
}
public static extern bool JS_EvaluateScriptForPrincipals(IntPtr cx, IntPtr obj, IntPtr principals, string src, UInt32 length, string filename, UInt32 lineno, ref JsVal jsval);
public void SetOnpageshowAttribute(JsVal aOnpageshow, IntPtr jsContext)
{
throw new NotImplementedException();
}
private static extern JSType JS_TypeOfValue_Win32(IntPtr cx, JsVal jsVal);
public static IntPtr JS_ValueToObject(IntPtr cx, JsVal v)
{
if (Xpcom.Is32Bit)
{
MutableHandle mutableHandle = new MutableHandle();
if (Xpcom.IsLinux)
JS_ValueToObject_Linux32(cx, ref v, ref mutableHandle);
else
JS_ValueToObject_Win32(cx, ref v, ref mutableHandle);
return mutableHandle.Handle;
}
else
{
MutableHandle mutableHandle = new MutableHandle();
if (Xpcom.IsLinux)
JS_ValueToObject_Linux64(cx, ref v, ref mutableHandle);
else
JS_ValueToObject_Win64(cx, ref v, ref mutableHandle);
return mutableHandle.Handle;
}
}
private static extern JSType JS_TypeOfValue_Win64(IntPtr cx, ref JsVal jsVal);
public static extern JSType JS_TypeOfValue(IntPtr cx, JsVal jsVal);
private static extern IntPtr JS_ValueToString_Win64(IntPtr cx, ref JsVal v);
/// <summary>
/// Evaluate javascript in the current context.
/// </summary>
/// <param name="jsScript"></param>
/// <param name="jsval"></param>
/// <returns></returns>
public bool EvaluateScript(string jsScript, out string result)
{
var ptr = new JsVal();
IntPtr globalObject = SpiderMonkey.JS_GetGlobalForScopeChain(_cx);
bool ret = SpiderMonkey.JS_EvaluateScript(_cx, globalObject, jsScript, (uint)jsScript.Length, "script", 1, ref ptr);
IntPtr jsStringPtr = SpiderMonkey.JS_ValueToString(_cx, ptr);
result = Marshal.PtrToStringAnsi(SpiderMonkey.JS_EncodeString(_cx, jsStringPtr));
return ret;
}
public static extern IntPtr JS_ValueToString(IntPtr cx, JsVal v);