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

Example 76 with PermissionCollection

use of java.security.PermissionCollection in project Java-Tutorial by gpcodervn.

the class FilePermissionExample method main.

public static void main(String[] args) throws IOException {
    String srg = "D:\\WorkSpace\\gpcoder\\JavaIOTutorial\\data\\java.txt";
    // cấp quyền cho path1
    FilePermission file1 = new FilePermission("D:\\WorkSpace\\gpcoder\\JavaIOTutorial\\data\\-", "read");
    PermissionCollection permission = file1.newPermissionCollection();
    permission.add(file1);
    // cấp quyền cho path2
    FilePermission file2 = new FilePermission(srg, "write");
    permission.add(file2);
    if (permission.implies(new FilePermission(srg, "read,write"))) {
        System.out.println("Read, Write permission is granted for the path " + srg);
    } else {
        System.out.println("No Read, Write permission is granted for the path " + srg);
    }
}

Example 77 with PermissionCollection

use of java.security.PermissionCollection in project tomcat70 by apache.

the class WebappClassLoaderBase method check.

@Override
public boolean check(Permission permission) {
    if (!Globals.IS_SECURITY_ENABLED) {
        return true;
    }
    Policy currentPolicy = Policy.getPolicy();
    if (currentPolicy != null) {
        ResourceEntry entry = findResourceInternal("/", "/", false);
        if (entry != null) {
            CodeSource cs = new CodeSource(entry.codeBase, (java.security.cert.Certificate[]) null);
            PermissionCollection pc = currentPolicy.getPermissions(cs);
            if (pc.implies(permission)) {
                return true;
            }
        }
    }
    return false;
}

Example 78 with PermissionCollection

use of java.security.PermissionCollection in project Bytecoder by mirkosertic.

the class BuiltinClassLoader method getPermissions.

// -- permissions
/**
 * Returns the permissions for the given CodeSource.
 */
@Override
protected PermissionCollection getPermissions(CodeSource cs) {
    PermissionCollection perms = super.getPermissions(cs);
    // add the permission to access the resource
    URL url = cs.getLocation();
    if (url == null)
        return perms;
    // avoid opening connection when URL is to resource in run-time image
    if (url.getProtocol().equals("jrt")) {
        perms.add(new RuntimePermission("accessSystemModules"));
        return perms;
    }
    // open connection to determine the permission needed
    try {
        Permission p = url.openConnection().getPermission();
        if (p != null) {
            // for directories then need recursive access
            if (p instanceof FilePermission) {
                String path = p.getName();
                if (path.endsWith(File.separator)) {
                    path += "-";
                    p = new FilePermission(path, "read");
                }
            }
            perms.add(p);
        }
    } catch (IOException ioe) {
    }
    return perms;
}

Example 79 with PermissionCollection

use of java.security.PermissionCollection in project Bytecoder by mirkosertic.

the class Loader method getPermissions.

// -- permissions
/**
 * Returns the permissions for the given CodeSource.
 */
@Override
protected PermissionCollection getPermissions(CodeSource cs) {
    PermissionCollection perms = super.getPermissions(cs);
    URL url = cs.getLocation();
    if (url == null)
        return perms;
    // add the permission to access the resource
    try {
        Permission p = url.openConnection().getPermission();
        if (p != null) {
            // for directories then need recursive access
            if (p instanceof FilePermission) {
                String path = p.getName();
                if (path.endsWith(File.separator)) {
                    path += "-";
                    p = new FilePermission(path, "read");
                }
            }
            perms.add(p);
        }
    } catch (IOException ioe) {
    }
    return perms;
}

Example 80 with PermissionCollection

use of java.security.PermissionCollection in project herd by FINRAOS.

the class SecurityManagerHelper method doPrivileged.

/**
 * Executes the given {@link PrivilegedAction} using the given collection of {@link Permission}.
 *
 * @param <T> the return type
 * @param privilegedAction the {@link PrivilegedAction} to execute
 * @param permissions collection of permissions to apply. May be empty but not null.
 * @return return value of the privileged action
 */
public static <T> T doPrivileged(PrivilegedAction<T> privilegedAction, Collection<Permission> permissions) {
    CodeSource codeSource = new CodeSource(null, (Certificate[]) null);
    PermissionCollection permissionCollection = new Permissions();
    for (Permission permission : permissions) {
        permissionCollection.add(permission);
    }
    ProtectionDomain protectionDomain = new ProtectionDomain(codeSource, permissionCollection);
    ProtectionDomain[] protectionDomains = { protectionDomain };
    AccessControlContext accessControlContext = new AccessControlContext(protectionDomains);
    return AccessController.doPrivileged(privilegedAction, accessControlContext);
}