Examples with PrivilegedAction java.security.PrivilegedAction used on opensource projects

Example 46 with PrivilegedAction

use of java.security.PrivilegedAction in project geode by apache.

the class DeltaSession8 method getSession.

/**
   * Return the <code>HttpSession</code> for which this object is the facade.
   */
@SuppressWarnings("unchecked")
public HttpSession getSession() {
    if (facade == null) {
        if (SecurityUtil.isPackageProtectionEnabled()) {
            final DeltaSession8 fsession = this;
            facade = (DeltaSessionFacade) AccessController.doPrivileged(new PrivilegedAction() {

                public Object run() {
                    return new DeltaSessionFacade(fsession);
                }
            });
        } else {
            facade = new DeltaSessionFacade(this);
        }
    }
    return (facade);
}

Example 47 with PrivilegedAction

use of java.security.PrivilegedAction in project geode by apache.

the class DeltaSession7 method getSession.

/**
   * Return the <code>HttpSession</code> for which this object is the facade.
   */
@SuppressWarnings("unchecked")
public HttpSession getSession() {
    if (facade == null) {
        if (SecurityUtil.isPackageProtectionEnabled()) {
            final DeltaSession7 fsession = this;
            facade = (DeltaSessionFacade) AccessController.doPrivileged(new PrivilegedAction() {

                public Object run() {
                    return new DeltaSessionFacade(fsession);
                }
            });
        } else {
            facade = new DeltaSessionFacade(this);
        }
    }
    return (facade);
}

Example 48 with PrivilegedAction

use of java.security.PrivilegedAction in project aries by apache.

the class AggregateConverter method canConvert.

public boolean canConvert(Object fromValue, final ReifiedType toType) {
    if (fromValue == null) {
        return true;
    } else if (fromValue instanceof UnwrapperedBeanHolder) {
        fromValue = ((UnwrapperedBeanHolder) fromValue).unwrapperedBean;
    }
    if (isAssignable(fromValue, toType)) {
        return true;
    }
    final Object toTest = fromValue;
    boolean canConvert = false;
    AccessControlContext acc = blueprintContainer.getAccessControlContext();
    if (acc == null) {
        canConvert = canConvertWithConverters(toTest, toType);
    } else {
        canConvert = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {

            public Boolean run() {
                return canConvertWithConverters(toTest, toType);
            }
        }, acc);
    }
    if (canConvert) {
        return true;
    }
    // TODO implement better logic ?!
    try {
        convert(toTest, toType);
        return true;
    } catch (Exception e) {
        return false;
    }
}

Example 49 with PrivilegedAction

use of java.security.PrivilegedAction in project spring-framework by spring-projects.

the class ConstructorResolver method autowireConstructor.

/**
	 * "autowire constructor" (with constructor arguments by type) behavior.
	 * Also applied if explicit constructor argument values are specified,
	 * matching all remaining arguments with beans from the bean factory.
	 * <p>This corresponds to constructor injection: In this mode, a Spring
	 * bean factory is able to host components that expect constructor-based
	 * dependency resolution.
	 * @param beanName the name of the bean
	 * @param mbd the merged bean definition for the bean
	 * @param chosenCtors chosen candidate constructors (or {@code null} if none)
	 * @param explicitArgs argument values passed in programmatically via the getBean method,
	 * or {@code null} if none (-> use constructor argument values from bean definition)
	 * @return a BeanWrapper for the new instance
	 */
public BeanWrapper autowireConstructor(final String beanName, final RootBeanDefinition mbd, Constructor<?>[] chosenCtors, final Object[] explicitArgs) {
    BeanWrapperImpl bw = new BeanWrapperImpl();
    this.beanFactory.initBeanWrapper(bw);
    Constructor<?> constructorToUse = null;
    ArgumentsHolder argsHolderToUse = null;
    Object[] argsToUse = null;
    if (explicitArgs != null) {
        argsToUse = explicitArgs;
    } else {
        Object[] argsToResolve = null;
        synchronized (mbd.constructorArgumentLock) {
            constructorToUse = (Constructor<?>) mbd.resolvedConstructorOrFactoryMethod;
            if (constructorToUse != null && mbd.constructorArgumentsResolved) {
                // Found a cached constructor...
                argsToUse = mbd.resolvedConstructorArguments;
                if (argsToUse == null) {
                    argsToResolve = mbd.preparedConstructorArguments;
                }
            }
        }
        if (argsToResolve != null) {
            argsToUse = resolvePreparedArguments(beanName, mbd, bw, constructorToUse, argsToResolve);
        }
    }
    if (constructorToUse == null) {
        // Need to resolve the constructor.
        boolean autowiring = (chosenCtors != null || mbd.getResolvedAutowireMode() == RootBeanDefinition.AUTOWIRE_CONSTRUCTOR);
        ConstructorArgumentValues resolvedValues = null;
        int minNrOfArgs;
        if (explicitArgs != null) {
            minNrOfArgs = explicitArgs.length;
        } else {
            ConstructorArgumentValues cargs = mbd.getConstructorArgumentValues();
            resolvedValues = new ConstructorArgumentValues();
            minNrOfArgs = resolveConstructorArguments(beanName, mbd, bw, cargs, resolvedValues);
        }
        // Take specified constructors, if any.
        Constructor<?>[] candidates = chosenCtors;
        if (candidates == null) {
            Class<?> beanClass = mbd.getBeanClass();
            try {
                candidates = (mbd.isNonPublicAccessAllowed() ? beanClass.getDeclaredConstructors() : beanClass.getConstructors());
            } catch (Throwable ex) {
                throw new BeanCreationException(mbd.getResourceDescription(), beanName, "Resolution of declared constructors on bean Class [" + beanClass.getName() + "] from ClassLoader [" + beanClass.getClassLoader() + "] failed", ex);
            }
        }
        AutowireUtils.sortConstructors(candidates);
        int minTypeDiffWeight = Integer.MAX_VALUE;
        Set<Constructor<?>> ambiguousConstructors = null;
        LinkedList<UnsatisfiedDependencyException> causes = null;
        for (Constructor<?> candidate : candidates) {
            Class<?>[] paramTypes = candidate.getParameterTypes();
            if (constructorToUse != null && argsToUse.length > paramTypes.length) {
                // do not look any further, there are only less greedy constructors left.
                break;
            }
            if (paramTypes.length < minNrOfArgs) {
                continue;
            }
            ArgumentsHolder argsHolder;
            if (resolvedValues != null) {
                try {
                    String[] paramNames = ConstructorPropertiesChecker.evaluate(candidate, paramTypes.length);
                    if (paramNames == null) {
                        ParameterNameDiscoverer pnd = this.beanFactory.getParameterNameDiscoverer();
                        if (pnd != null) {
                            paramNames = pnd.getParameterNames(candidate);
                        }
                    }
                    argsHolder = createArgumentArray(beanName, mbd, resolvedValues, bw, paramTypes, paramNames, getUserDeclaredConstructor(candidate), autowiring);
                } catch (UnsatisfiedDependencyException ex) {
                    if (this.beanFactory.logger.isTraceEnabled()) {
                        this.beanFactory.logger.trace("Ignoring constructor [" + candidate + "] of bean '" + beanName + "': " + ex);
                    }
                    // Swallow and try next constructor.
                    if (causes == null) {
                        causes = new LinkedList<>();
                    }
                    causes.add(ex);
                    continue;
                }
            } else {
                // Explicit arguments given -> arguments length must match exactly.
                if (paramTypes.length != explicitArgs.length) {
                    continue;
                }
                argsHolder = new ArgumentsHolder(explicitArgs);
            }
            int typeDiffWeight = (mbd.isLenientConstructorResolution() ? argsHolder.getTypeDifferenceWeight(paramTypes) : argsHolder.getAssignabilityWeight(paramTypes));
            // Choose this constructor if it represents the closest match.
            if (typeDiffWeight < minTypeDiffWeight) {
                constructorToUse = candidate;
                argsHolderToUse = argsHolder;
                argsToUse = argsHolder.arguments;
                minTypeDiffWeight = typeDiffWeight;
                ambiguousConstructors = null;
            } else if (constructorToUse != null && typeDiffWeight == minTypeDiffWeight) {
                if (ambiguousConstructors == null) {
                    ambiguousConstructors = new LinkedHashSet<>();
                    ambiguousConstructors.add(constructorToUse);
                }
                ambiguousConstructors.add(candidate);
            }
        }
        if (constructorToUse == null) {
            if (causes != null) {
                UnsatisfiedDependencyException ex = causes.removeLast();
                for (Exception cause : causes) {
                    this.beanFactory.onSuppressedException(cause);
                }
                throw ex;
            }
            throw new BeanCreationException(mbd.getResourceDescription(), beanName, "Could not resolve matching constructor " + "(hint: specify index/type/name arguments for simple parameters to avoid type ambiguities)");
        } else if (ambiguousConstructors != null && !mbd.isLenientConstructorResolution()) {
            throw new BeanCreationException(mbd.getResourceDescription(), beanName, "Ambiguous constructor matches found in bean '" + beanName + "' " + "(hint: specify index/type/name arguments for simple parameters to avoid type ambiguities): " + ambiguousConstructors);
        }
        if (explicitArgs == null) {
            argsHolderToUse.storeCache(mbd, constructorToUse);
        }
    }
    try {
        Object beanInstance;
        if (System.getSecurityManager() != null) {
            final Constructor<?> ctorToUse = constructorToUse;
            final Object[] argumentsToUse = argsToUse;
            beanInstance = AccessController.doPrivileged(new PrivilegedAction<Object>() {

                @Override
                public Object run() {
                    return beanFactory.getInstantiationStrategy().instantiate(mbd, beanName, beanFactory, ctorToUse, argumentsToUse);
                }
            }, beanFactory.getAccessControlContext());
        } else {
            beanInstance = this.beanFactory.getInstantiationStrategy().instantiate(mbd, beanName, this.beanFactory, constructorToUse, argsToUse);
        }
        bw.setBeanInstance(beanInstance);
        return bw;
    } catch (Throwable ex) {
        throw new BeanCreationException(mbd.getResourceDescription(), beanName, "Bean instantiation via constructor failed", ex);
    }
}

Example 50 with PrivilegedAction

use of java.security.PrivilegedAction in project spring-framework by spring-projects.

the class DefaultListableBeanFactory method preInstantiateSingletons.

@Override
public void preInstantiateSingletons() throws BeansException {
    if (this.logger.isDebugEnabled()) {
        this.logger.debug("Pre-instantiating singletons in " + this);
    }
    // Iterate over a copy to allow for init methods which in turn register new bean definitions.
    // While this may not be part of the regular factory bootstrap, it does otherwise work fine.
    List<String> beanNames = new ArrayList<>(this.beanDefinitionNames);
    // Trigger initialization of all non-lazy singleton beans...
    for (String beanName : beanNames) {
        RootBeanDefinition bd = getMergedLocalBeanDefinition(beanName);
        if (!bd.isAbstract() && bd.isSingleton() && !bd.isLazyInit()) {
            if (isFactoryBean(beanName)) {
                final FactoryBean<?> factory = (FactoryBean<?>) getBean(FACTORY_BEAN_PREFIX + beanName);
                boolean isEagerInit;
                if (System.getSecurityManager() != null && factory instanceof SmartFactoryBean) {
                    isEagerInit = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {

                        @Override
                        public Boolean run() {
                            return ((SmartFactoryBean<?>) factory).isEagerInit();
                        }
                    }, getAccessControlContext());
                } else {
                    isEagerInit = (factory instanceof SmartFactoryBean && ((SmartFactoryBean<?>) factory).isEagerInit());
                }
                if (isEagerInit) {
                    getBean(beanName);
                }
            } else {
                getBean(beanName);
            }
        }
    }
    // Trigger post-initialization callback for all applicable beans...
    for (String beanName : beanNames) {
        Object singletonInstance = getSingleton(beanName);
        if (singletonInstance instanceof SmartInitializingSingleton) {
            final SmartInitializingSingleton smartSingleton = (SmartInitializingSingleton) singletonInstance;
            if (System.getSecurityManager() != null) {
                AccessController.doPrivileged(new PrivilegedAction<Object>() {

                    @Override
                    public Object run() {
                        smartSingleton.afterSingletonsInstantiated();
                        return null;
                    }
                }, getAccessControlContext());
            } else {
                smartSingleton.afterSingletonsInstantiated();
            }
        }
    }
}