Examples with StackMachineCompiler org.nhindirect.policy.impl.machine.StackMachineCompiler used on opensource projects

Example 1 with StackMachineCompiler

use of org.nhindirect.policy.impl.machine.StackMachineCompiler in project nhin-d by DirectProject.

the class StackMachineCompiler_compileTest method testCompile_simpleUnaryLiteralOperation_assertEntriesAndEvaluation.

public void testCompile_simpleUnaryLiteralOperation_assertEntriesAndEvaluation() throws Exception {
    // build the expression
    final PolicyValue<Boolean> op1 = PolicyValueFactory.getInstance(true);
    final LiteralPolicyExpression<Boolean> expr = LiteralPolicyExpressionFactory.getInstance(op1);
    final Vector<PolicyExpression> operands = new Vector<PolicyExpression>();
    operands.add(expr);
    final OperationPolicyExpression oper = OperationPolicyExpressionFactory.getInstance(PolicyOperator.LOGICAL_NOT, operands);
    final StackMachineCompiler compiler = new StackMachineCompiler();
    final Vector<Opcode> entries = compiler.compile(null, oper);
    assertEquals(2, entries.size());
    assertEquals(op1, ((StackMachineEntry) entries.get(0)).getValue());
    assertEquals(PolicyOperator.LOGICAL_NOT, ((StackMachineEntry) entries.get(1)).getOperator());
    // execute the compiled expression in the stack machine
    final StackMachine machine = new StackMachine();
    Boolean evalVal = machine.evaluate((Vector<Opcode>) entries);
    assertFalse(evalVal);
}

Example 2 with StackMachineCompiler

use of org.nhindirect.policy.impl.machine.StackMachineCompiler in project nhin-d by DirectProject.

the class StackMachineCompiler_compileTest method testCompile_simpleBinaryLiteralAndExpressionOperation_assertEntriesAndEvaluation.

public void testCompile_simpleBinaryLiteralAndExpressionOperation_assertEntriesAndEvaluation() throws Exception {
    final X509Certificate cert = TestUtils.loadCertificate("AlAnderson@hospitalA.direct.visionshareinc.com.der");
    // build the expression
    final Integer keyUsage = KeyUsage.digitalSignature | KeyUsage.keyEncipherment | KeyUsage.nonRepudiation;
    final PolicyValue<Integer> op1 = PolicyValueFactory.getInstance(keyUsage);
    final LiteralPolicyExpression<Integer> expr1 = LiteralPolicyExpressionFactory.getInstance(op1);
    final KeyUsageExtensionField expr2 = new KeyUsageExtensionField(true);
    final Vector<PolicyExpression> operands = new Vector<PolicyExpression>();
    operands.add(expr1);
    operands.add(expr2);
    final OperationPolicyExpression oper = OperationPolicyExpressionFactory.getInstance(PolicyOperator.EQUALS, operands);
    final StackMachineCompiler compiler = new StackMachineCompiler();
    final Vector<Opcode> entries = compiler.compile(cert, oper);
    assertEquals(3, entries.size());
    assertEquals(op1, ((StackMachineEntry) entries.get(0)).getValue());
    assertEquals(keyUsage, ((StackMachineEntry) entries.get(1)).getValue().getPolicyValue());
    assertEquals(PolicyOperator.EQUALS, ((StackMachineEntry) entries.get(2)).getOperator());
    // execute the compiled expression in the stack machine
    final StackMachine machine = new StackMachine();
    final Boolean evalVal = machine.evaluate(entries);
    assertTrue(evalVal);
}

Example 3 with StackMachineCompiler

use of org.nhindirect.policy.impl.machine.StackMachineCompiler in project nhin-d by DirectProject.

the class StackMachineCompiler_compileTest method testCompile_multipleEmbeddedOperations_keyUsage_assertEntriesAndEvaluation.

public void testCompile_multipleEmbeddedOperations_keyUsage_assertEntriesAndEvaluation() throws Exception {
    final X509Certificate cert = TestUtils.loadCertificate("AlAnderson@hospitalA.direct.visionshareinc.com.der");
    // build the expression
    final Integer keyUsage = KeyUsage.nonRepudiation;
    final PolicyValue<Integer> op1 = PolicyValueFactory.getInstance(keyUsage);
    final LiteralPolicyExpression<Integer> expr1 = LiteralPolicyExpressionFactory.getInstance(op1);
    final KeyUsageExtensionField expr2 = new KeyUsageExtensionField(true);
    final Vector<PolicyExpression> operands1 = new Vector<PolicyExpression>();
    operands1.add(expr1);
    operands1.add(expr2);
    final OperationPolicyExpression oper1 = OperationPolicyExpressionFactory.getInstance(PolicyOperator.BITWISE_AND, operands1);
    // build outer expression embedding the first operation as a parameter
    final PolicyValue<Integer> op3 = PolicyValueFactory.getInstance(0);
    final LiteralPolicyExpression<Integer> expr3 = LiteralPolicyExpressionFactory.getInstance(op3);
    final Vector<PolicyExpression> operands2 = new Vector<PolicyExpression>();
    operands2.add(oper1);
    operands2.add(expr3);
    final OperationPolicyExpression oper2 = OperationPolicyExpressionFactory.getInstance(PolicyOperator.GREATER, operands2);
    final StackMachineCompiler compiler = new StackMachineCompiler();
    final Vector<Opcode> entries = compiler.compile(cert, oper2);
    assertEquals(5, entries.size());
    assertEquals(op1, ((StackMachineEntry) entries.get(0)).getValue());
    assertEquals(expr2.getPolicyValue().getPolicyValue(), ((StackMachineEntry) entries.get(1)).getValue().getPolicyValue());
    assertEquals(PolicyOperator.BITWISE_AND, ((StackMachineEntry) entries.get(2)).getOperator());
    assertEquals(op3, ((StackMachineEntry) entries.get(3)).getValue());
    assertEquals(PolicyOperator.GREATER, ((StackMachineEntry) entries.get(4)).getOperator());
    // execute the compiled expression in the stack machine
    final StackMachine machine = new StackMachine();
    final Boolean evalVal = machine.evaluate(entries);
    assertTrue(evalVal);
}

Example 4 with StackMachineCompiler

use of org.nhindirect.policy.impl.machine.StackMachineCompiler in project nhin-d by DirectProject.

the class StackMachineCompiler_compileTest method testCompile_multipleEmbeddedOperations_extendedKeyUsage_keyUsage_assertEntriesAndEvaluation.

public void testCompile_multipleEmbeddedOperations_extendedKeyUsage_keyUsage_assertEntriesAndEvaluation() throws Exception {
    final X509Certificate cert = TestUtils.loadCertificate("mshost.der");
    // build the expression
    final Integer keyUsage = KeyUsage.nonRepudiation;
    final PolicyValue<Integer> op1 = PolicyValueFactory.getInstance(keyUsage);
    final LiteralPolicyExpression<Integer> expr1 = LiteralPolicyExpressionFactory.getInstance(op1);
    final KeyUsageExtensionField expr2 = new KeyUsageExtensionField(true);
    final Vector<PolicyExpression> operands1 = new Vector<PolicyExpression>();
    operands1.add(expr1);
    operands1.add(expr2);
    final OperationPolicyExpression oper1 = OperationPolicyExpressionFactory.getInstance(PolicyOperator.BITWISE_AND, operands1);
    // build outer expression embedding the first operation as a parameter
    final PolicyValue<Integer> op3 = PolicyValueFactory.getInstance(0);
    final LiteralPolicyExpression<Integer> expr3 = LiteralPolicyExpressionFactory.getInstance(op3);
    final Vector<PolicyExpression> operands2 = new Vector<PolicyExpression>();
    operands2.add(oper1);
    operands2.add(expr3);
    final OperationPolicyExpression oper2 = OperationPolicyExpressionFactory.getInstance(PolicyOperator.GREATER, operands2);
    final StackMachineCompiler compiler = new StackMachineCompiler();
    // build a separate expression for extended key usage
    final ExtendedKeyUsageExtensionField expr4 = new ExtendedKeyUsageExtensionField(true);
    final PolicyValue<String> op5 = PolicyValueFactory.getInstance(ExtendedKeyUsageIdentifier.ID_KP_EMAIL_PROTECTION.getId());
    final LiteralPolicyExpression<String> expr5 = LiteralPolicyExpressionFactory.getInstance(op5);
    final Vector<PolicyExpression> operands3 = new Vector<PolicyExpression>();
    operands3.add(expr4);
    operands3.add(expr5);
    final OperationPolicyExpression oper3 = OperationPolicyExpressionFactory.getInstance(PolicyOperator.CONTAINS, operands3);
    // build an and operator and make sure the cert has all policies met
    final Vector<PolicyExpression> operands4 = new Vector<PolicyExpression>();
    operands4.add(oper2);
    operands4.add(oper3);
    final OperationPolicyExpression oper4 = OperationPolicyExpressionFactory.getInstance(PolicyOperator.LOGICAL_AND, operands4);
    final Vector<Opcode> entries = compiler.compile(cert, oper4);
    assertEquals(9, entries.size());
    assertEquals(op1, ((StackMachineEntry) entries.get(0)).getValue());
    assertEquals(expr2.getPolicyValue().getPolicyValue(), ((StackMachineEntry) entries.get(1)).getValue().getPolicyValue());
    assertEquals(PolicyOperator.BITWISE_AND, ((StackMachineEntry) entries.get(2)).getOperator());
    assertEquals(op3, ((StackMachineEntry) entries.get(3)).getValue());
    assertEquals(PolicyOperator.GREATER, ((StackMachineEntry) entries.get(4)).getOperator());
    assertEquals(expr4.getPolicyValue(), ((StackMachineEntry) entries.get(5)).getValue());
    assertEquals(op5, ((StackMachineEntry) entries.get(6)).getValue());
    assertEquals(PolicyOperator.CONTAINS, ((StackMachineEntry) entries.get(7)).getOperator());
    assertEquals(PolicyOperator.LOGICAL_AND, ((StackMachineEntry) entries.get(8)).getOperator());
    // execute the compiled expression in the stack machine
    final StackMachine machine = new StackMachine();
    final Boolean evalVal = machine.evaluate(entries);
    assertTrue(evalVal);
}

Example 5 with StackMachineCompiler

use of org.nhindirect.policy.impl.machine.StackMachineCompiler in project nhin-d by DirectProject.

the class StackMachineCompiler_compileTest method testCompile_simpleBinaryLiteralOperation_assertEntriesAndEvaluation.

public void testCompile_simpleBinaryLiteralOperation_assertEntriesAndEvaluation() throws Exception {
    // build the expression
    final PolicyValue<Integer> op1 = PolicyValueFactory.getInstance(1);
    final PolicyValue<Integer> op2 = PolicyValueFactory.getInstance(1);
    final LiteralPolicyExpression<Integer> expr1 = LiteralPolicyExpressionFactory.getInstance(op1);
    final LiteralPolicyExpression<Integer> expr2 = LiteralPolicyExpressionFactory.getInstance(op2);
    final Vector<PolicyExpression> operands = new Vector<PolicyExpression>();
    operands.add(expr1);
    operands.add(expr2);
    final OperationPolicyExpression oper = OperationPolicyExpressionFactory.getInstance(PolicyOperator.EQUALS, operands);
    final StackMachineCompiler compiler = new StackMachineCompiler();
    final Vector<Opcode> entries = compiler.compile(null, oper);
    assertEquals(3, entries.size());
    assertEquals(op1, ((StackMachineEntry) entries.get(0)).getValue());
    assertEquals(op2, ((StackMachineEntry) entries.get(1)).getValue());
    assertEquals(PolicyOperator.EQUALS, ((StackMachineEntry) entries.get(2)).getOperator());
    // execute the compiled expression in the stack machine
    final StackMachine machine = new StackMachine();
    final Boolean evalVal = machine.evaluate(entries);
    assertTrue(evalVal);
}