Examples with AndExpression com.yahoo.elide.core.security.permissions.expressions.AndExpression used on opensource projects

Example 1 with AndExpression

use of com.yahoo.elide.core.security.permissions.expressions.AndExpression in project elide by yahoo.

the class PermissionExpressionNormalizationVisitor method visitNotExpression.

@Override
public Expression visitNotExpression(NotExpression notExpression) {
    Expression inner = notExpression.getLogical();
    if (inner instanceof AndExpression) {
        AndExpression and = (AndExpression) inner;
        Expression left = new NotExpression(and.getLeft()).accept(this);
        Expression right = new NotExpression(and.getRight()).accept(this);
        return new OrExpression(left, right);
    }
    if (inner instanceof OrExpression) {
        OrExpression or = (OrExpression) inner;
        Expression left = new NotExpression(or.getLeft()).accept(this);
        Expression right = new NotExpression(or.getRight()).accept(this);
        return new AndExpression(left, right);
    }
    if (inner instanceof NotExpression) {
        NotExpression not = (NotExpression) inner;
        return (not.getLogical()).accept(this);
    }
    return notExpression;
}

Example 2 with AndExpression

use of com.yahoo.elide.core.security.permissions.expressions.AndExpression in project elide by yahoo.

the class PermissionExpressionNormalizationVisitor method visitAndExpression.

@Override
public Expression visitAndExpression(AndExpression andExpression) {
    Expression left = andExpression.getLeft();
    Expression right = andExpression.getRight();
    return new AndExpression(left.accept(this), right.accept(this));
}

Example 3 with AndExpression

use of com.yahoo.elide.core.security.permissions.expressions.AndExpression in project elide by yahoo.

the class PermissionExpressionVisitor method visitAND.

@Override
public Expression visitAND(ExpressionParser.ANDContext ctx) {
    Expression left = visit(ctx.left);
    Expression right = visit(ctx.right);
    return new AndExpression(left, right);
}

Example 4 with AndExpression

use of com.yahoo.elide.core.security.permissions.expressions.AndExpression in project elide by yahoo.

the class PermissionExpressionBuilder method buildUserCheckEntityAndAnyFieldExpression.

/**
 * Build an expression that strictly evaluates UserCheck's and ignores other checks for an entity.
 * expression = (entityRule AND (field1Rule OR field2Rule ... OR fieldNRule))
 * <p>
 * NOTE: This method returns _NO_ commit checks.
 *
 * @param resourceClass   Resource class
 * @param annotationClass Annotation class
 * @param scope    Request scope
 * @param <A>             type parameter
 * @return User check expression to evaluate
 */
public <A extends Annotation> Expression buildUserCheckEntityAndAnyFieldExpression(final Type<?> resourceClass, final Class<A> annotationClass, Set<String> requestedFields, final RequestScope scope) {
    final Function<Check, Expression> leafBuilderFn = (check) -> new CheckExpression(check, null, scope, null, cache);
    ParseTree classPermissions = entityDictionary.getPermissionsForClass(resourceClass, annotationClass);
    Expression entityExpression = normalizedExpressionFromParseTree(classPermissions, leafBuilderFn);
    Expression anyFieldExpression = buildAnyFieldOnlyExpression(new PermissionCondition(annotationClass, resourceClass), leafBuilderFn, requestedFields);
    if (entityExpression == null) {
        return anyFieldExpression;
    }
    return new AndExpression(entityExpression, anyFieldExpression);
}