/// <summary>
/// Determines whether the GAC contains the specified code base URI.
/// </summary>
/// <param name="codeBaseUri">The code base URI.</param>
public static bool Contains(Uri codeBaseUri)
{
if (codeBaseUri == null)
{
Debug.Fail("codeBaseUri == null"); return(false);
}
lock (GlobalLock.LockingObject)
{
if (!GlobalAssemblyCache.s_fusionLoaded)
{
GlobalAssemblyCache.s_fusionLoaded = true;
System.Reflection.Assembly systemAssembly = typeof(object).Assembly;
//^ assume systemAssembly != null;
string /*?*/ systemAssemblyLocation = systemAssembly.Location;
//^ assume systemAssemblyLocation != null;
string dir = Path.GetDirectoryName(systemAssemblyLocation);
//^ assume dir != null;
GlobalAssemblyCache.LoadLibrary(Path.Combine(dir, "fusion.dll"));
}
IAssemblyEnum assemblyEnum;
int rc = GlobalAssemblyCache.CreateAssemblyEnum(out assemblyEnum, null, null, ASM_CACHE.GAC, 0);
if (rc < 0 || assemblyEnum == null)
{
return(false);
}
IApplicationContext applicationContext;
IAssemblyName currentName;
while (assemblyEnum.GetNextAssembly(out applicationContext, out currentName, 0) == 0)
{
//^ assume currentName != null;
AssemblyName assemblyName = new AssemblyName(currentName);
string /*?*/ scheme = codeBaseUri.Scheme;
if (scheme != null && assemblyName.CodeBase.StartsWith(scheme))
{
try
{
Uri foundUri = new Uri(assemblyName.CodeBase);
if (codeBaseUri.Equals(foundUri))
{
return(true);
}
}
catch (System.ArgumentNullException)
{
}
catch (System.UriFormatException)
{
}
}
}
return(false);
}
}
/// <summary>
/// Determines whether the GAC contains the specified code base URI.
/// </summary>
/// <param name="codeBaseUri">The code base URI.</param>
public static bool Contains(Uri codeBaseUri)
{
if (codeBaseUri == null)
{
Debug.Fail("codeBaseUri == null"); return(false);
}
lock (GlobalLock.LockingObject) {
#if COMPACTFX
var gacKey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(@"\Software\Microsoft\.NETCompactFramework\Installer\Assemblies\Global");
if (gacKey == null)
{
return(false);
}
var codeBase = codeBaseUri.AbsoluteUri;
foreach (var gacName in gacKey.GetValueNames())
{
var values = gacKey.GetValue(gacName) as string[];
if (values == null || values.Length == 0)
{
continue;
}
if (string.Equals(values[0], codeBase, StringComparison.OrdinalIgnoreCase))
{
return(true);
}
if (values.Length > 1 && string.Equals(values[1], codeBase, StringComparison.OrdinalIgnoreCase))
{
return(true);
}
}
return(false);
#else
if (!GlobalAssemblyCache.FusionLoaded)
{
GlobalAssemblyCache.FusionLoaded = true;
System.Reflection.Assembly systemAssembly = typeof(object).Assembly;
//^ assume systemAssembly != null;
string /*?*/ systemAssemblyLocation = systemAssembly.Location;
//^ assume systemAssemblyLocation != null;
string dir = Path.GetDirectoryName(systemAssemblyLocation);
//^ assume dir != null;
GlobalAssemblyCache.LoadLibrary(Path.Combine(dir, "fusion.dll"));
}
IAssemblyEnum assemblyEnum;
int rc = GlobalAssemblyCache.CreateAssemblyEnum(out assemblyEnum, null, null, ASM_CACHE.GAC, 0);
if (rc < 0 || assemblyEnum == null)
{
return(false);
}
IApplicationContext applicationContext;
IAssemblyName currentName;
while (assemblyEnum.GetNextAssembly(out applicationContext, out currentName, 0) == 0)
{
//^ assume currentName != null;
AssemblyName assemblyName = new AssemblyName(currentName);
string /*?*/ scheme = codeBaseUri.Scheme;
if (scheme != null && assemblyName.CodeBase.StartsWith(scheme))
{
try {
Uri foundUri = new Uri(assemblyName.CodeBase);
if (codeBaseUri.Equals(foundUri))
{
return(true);
}
} catch (System.ArgumentNullException) {
} catch (System.UriFormatException) {
}
}
}
return(false);
#endif
}
}