本文整理汇总了C#中System.Security.CodeAccessPermission.CheckDemand方法的典型用法代码示例。如果您正苦于以下问题：C# CodeAccessPermission.CheckDemand方法的具体用法？C# CodeAccessPermission.CheckDemand怎么用？C# CodeAccessPermission.CheckDemand使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Security.CodeAccessPermission的用法示例。
在下文中一共展示了CodeAccessPermission.CheckDemand方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CheckDemand2
[System.Security.SecurityCritical] // auto-generated
internal bool CheckDemand2(CodeAccessPermission demand, PermissionToken permToken, RuntimeMethodHandleInternal rmh, bool fDeclarative)
{
PermissionSet permSet;
// If the demand is null, there is no need to continue
Contract.Assert(demand != null && !demand.CheckDemand(null), "Empty demands should have been filtered out by this point");
// decode imperative
if (GetPermitOnly(fDeclarative) != null)
GetPermitOnly(fDeclarative).CheckDecoded(demand, permToken);
if (GetDenials(fDeclarative) != null)
GetDenials(fDeclarative).CheckDecoded(demand, permToken);
if (GetAssertions(fDeclarative) != null)
GetAssertions(fDeclarative).CheckDecoded(demand, permToken);
// NOTE: See notes about exceptions and exception handling in FrameDescSetHelper
bool bThreadSecurity = SecurityManager._SetThreadSecurity(false);
// Check Reduction
try
{
permSet = GetPermitOnly(fDeclarative);
if (permSet != null)
{
CodeAccessPermission perm = (CodeAccessPermission)permSet.GetPermission(demand);
// If the permit only set does not contain the demanded permission, throw a security exception
if (perm == null)
{
if (!permSet.IsUnrestricted())
throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName), null, permSet, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
else
{
bool bNeedToThrow = true;
try
{
bNeedToThrow = !demand.CheckPermitOnly(perm);
}
catch (ArgumentException)
{
}
if (bNeedToThrow)
throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName), null, permSet, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
}
// Check Denials
permSet = GetDenials(fDeclarative);
if (permSet != null)
{
CodeAccessPermission perm = (CodeAccessPermission)permSet.GetPermission(demand);
// If an unrestricted set was denied and the demand implements IUnrestricted
if (permSet.IsUnrestricted())
throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName), permSet, null, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
// If the deny set does contain the demanded permission, throw a security exception
bool bNeedToThrow = true;
try
{
bNeedToThrow = !demand.CheckDeny(perm);
}
catch (ArgumentException)
{
}
if (bNeedToThrow)
throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"), demand.GetType().AssemblyQualifiedName), permSet, null, SecurityRuntime.GetMethodInfo(rmh), demand, demand);
}
if (GetAssertAllPossible())
{
return SecurityRuntime.StackHalt;
}
permSet = GetAssertions(fDeclarative);
// Check Assertions
if (permSet != null)
{
CodeAccessPermission perm = (CodeAccessPermission)permSet.GetPermission(demand);
// If the assert set does contain the demanded permission, halt the stackwalk
try
{
if (permSet.IsUnrestricted() || demand.CheckAssert(perm))
{
return SecurityRuntime.StackHalt;
}
}
catch (ArgumentException)
//.........这里部分代码省略.........
示例2: CheckHelper
[System.Security.SecurityCritical] // auto-generated
#pragma warning disable 618
internal static bool CheckHelper(PermissionSet grantedSet,
#pragma warning restore 618
PermissionSet refusedSet,
CodeAccessPermission demand,
PermissionToken permToken,
RuntimeMethodHandleInternal rmh,
Object assemblyOrString,
SecurityAction action,
bool throwException)
{
// We should never get here with a null demand
Contract.Assert(demand != null, "Should not reach here with a null demand");
#if _DEBUG && FEATURE_CAS_POLICY
if (debug)
{
DEBUG_OUT("Granted: ");
DEBUG_OUT(grantedSet.ToXml().ToString());
DEBUG_OUT("Refused: ");
DEBUG_OUT(refusedSet != null ? refusedSet.ToXml().ToString() : "<null>");
DEBUG_OUT("Demanded: ");
DEBUG_OUT(demand.ToString());
}
#endif // _DEBUG && FEATURE_CAS_POLICY
if (permToken == null)
permToken = PermissionToken.GetToken(demand);
if (grantedSet != null)
grantedSet.CheckDecoded(permToken.m_index);
if (refusedSet != null)
refusedSet.CheckDecoded(permToken.m_index);
// If PermissionSet is null, then module does not have Permissions... Fail check.
bool bThreadSecurity = SecurityManager._SetThreadSecurity(false);
try
{
if (grantedSet == null)
{
if (throwException)
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
else
return false;
}
else if (!grantedSet.IsUnrestricted())
{
// If we aren't unrestricted, there is a refused set, or our permission is not of the unrestricted
// variety, we need to do the proper callback.
Contract.Assert(demand != null,"demand != null");
// Find the permission of matching type in the permission set.
CodeAccessPermission grantedPerm =
(CodeAccessPermission)grantedSet.GetPermission(permToken);
// Make sure the demand has been granted
if (!demand.CheckDemand( grantedPerm ))
{
if (throwException)
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
else
return false;
}
}
// Make the sure the permission is not refused.
if (refusedSet != null)
{
CodeAccessPermission refusedPerm =
(CodeAccessPermission)refusedSet.GetPermission(permToken);
if (refusedPerm != null)
{
if (!refusedPerm.CheckDeny(demand))
{
#if _DEBUG
if (debug)
DEBUG_OUT( "Permission found in refused set" );
#endif
if (throwException)
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
else
return false;
}
}
if (refusedSet.IsUnrestricted())
{
if (throwException)
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
else
return false;
}
//.........这里部分代码省略.........
示例3: CheckHelper
internal static bool CheckHelper(PermissionSet grantedSet, PermissionSet refusedSet, CodeAccessPermission demand, PermissionToken permToken, RuntimeMethodHandleInternal rmh, object assemblyOrString, SecurityAction action, bool throwException)
{
if (permToken == null)
{
permToken = PermissionToken.GetToken(demand);
}
if (grantedSet != null)
{
grantedSet.CheckDecoded(permToken.m_index);
}
if (refusedSet != null)
{
refusedSet.CheckDecoded(permToken.m_index);
}
bool flag = SecurityManager._SetThreadSecurity(false);
try
{
if (grantedSet == null)
{
if (!throwException)
{
return false;
}
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
}
else if (!grantedSet.IsUnrestricted())
{
CodeAccessPermission grant = (CodeAccessPermission) grantedSet.GetPermission(permToken);
if (!demand.CheckDemand(grant))
{
if (throwException)
{
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
}
else
{
return false;
}
}
}
if (refusedSet != null)
{
CodeAccessPermission permission = (CodeAccessPermission) refusedSet.GetPermission(permToken);
if ((permission != null) && !permission.CheckDeny(demand))
{
if (!throwException)
{
return false;
}
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
}
if (refusedSet.IsUnrestricted())
{
if (throwException)
{
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
}
else
{
return false;
}
}
}
}
catch (SecurityException)
{
throw;
}
catch (Exception)
{
if (throwException)
{
ThrowSecurityException(assemblyOrString, grantedSet, refusedSet, rmh, action, demand, demand);
}
else
{
return false;
}
}
finally
{
if (flag)
{
SecurityManager._SetThreadSecurity(true);
}
}
return true;
}