コード例 #1
0
  protected PermissionCollection getPermissions(CodeSource codeSource) {
    PermissionCollection perms;
    try {
      try {
        perms = super.getPermissions(codeSource);
      } catch (SecurityException e) {
        // We lied about our CodeSource and that makes URLClassLoader unhappy.
        perms = new Permissions();
      }

      ProtectionDomain myDomain =
          AccessController.doPrivileged(
              new PrivilegedAction<ProtectionDomain>() {
                public ProtectionDomain run() {
                  return getClass().getProtectionDomain();
                }
              });
      PermissionCollection myPerms = myDomain.getPermissions();
      if (myPerms != null) {
        for (Enumeration<Permission> elements = myPerms.elements(); elements.hasMoreElements(); ) {
          perms.add(elements.nextElement());
        }
      }
    } catch (Throwable e) {
      // We lied about our CodeSource and that makes URLClassLoader unhappy.
      perms = new Permissions();
    }
    perms.setReadOnly();
    return perms;
  }
コード例 #2
0
 /**
  * @deprecated Prefer using methods taking a Reader rather than an InputStream to avoid wrong
  *     encoding issues.
  */
 public Class parseClass(final InputStream in, final String fileName)
     throws CompilationFailedException {
   // For generic input streams, provide a catch-all codebase of GroovyScript
   // Security for these classes can be administered via policy grants with
   // a codebase of file:groovy.script
   GroovyCodeSource gcs =
       AccessController.doPrivileged(
           new PrivilegedAction<GroovyCodeSource>() {
             public GroovyCodeSource run() {
               try {
                 String scriptText =
                     config.getSourceEncoding() != null
                         ? IOGroovyMethods.getText(in, config.getSourceEncoding())
                         : IOGroovyMethods.getText(in);
                 return new GroovyCodeSource(scriptText, fileName, "/groovy/script");
               } catch (IOException e) {
                 throw new RuntimeException(
                     "Impossible to read the content of the input stream for file named: "
                         + fileName,
                     e);
               }
             }
           });
   return parseClass(gcs);
 }
コード例 #3
0
 /**
  * creates a ClassCollector for a new compilation.
  *
  * @param unit the compilationUnit
  * @param su the SourceUnit
  * @return the ClassCollector
  */
 protected ClassCollector createCollector(CompilationUnit unit, SourceUnit su) {
   InnerLoader loader =
       AccessController.doPrivileged(
           new PrivilegedAction<InnerLoader>() {
             public InnerLoader run() {
               return new InnerLoader(GroovyClassLoader.this);
             }
           });
   return new ClassCollector(loader, unit, su);
 }
コード例 #4
0
 /**
  * Parses the given text into a Java class capable of being run
  *
  * @param text the text of the script/class to parse
  * @param fileName the file name to use as the name of the class
  * @return the main class defined in the given script
  */
 public Class parseClass(final String text, final String fileName)
     throws CompilationFailedException {
   GroovyCodeSource gcs =
       AccessController.doPrivileged(
           new PrivilegedAction<GroovyCodeSource>() {
             public GroovyCodeSource run() {
               return new GroovyCodeSource(text, fileName, "/groovy/script");
             }
           });
   gcs.setCachable(false);
   return parseClass(gcs);
 }
コード例 #5
0
 public URL loadGroovySource(final String filename) throws MalformedURLException {
   return AccessController.doPrivileged(
       new PrivilegedAction<URL>() {
         public URL run() {
           for (String extension : config.getScriptExtensions()) {
             try {
               URL ret = getSourceFile(filename, extension);
               if (ret != null) return ret;
             } catch (Throwable t) { //
             }
           }
           return null;
         }
       });
 }
コード例 #6
0
 /**
  * adds a classpath to this classloader.
  *
  * @param path is a jar file or a directory.
  * @see #addURL(URL)
  */
 public void addClasspath(final String path) {
   AccessController.doPrivileged(
       new PrivilegedAction<Void>() {
         public Void run() {
           try {
             // As the java.net.URL Javadoc says, the recommended way to get a URL is via URI.
             // http://docs.oracle.com/javase/7/docs/api/java/net/URL.html
             // "Note, the URI class does perform escaping of its component fields in certain
             // circumstances.
             // The recommended way to manage the encoding and decoding of URLs is to use URI, and
             // to convert
             // between these two classes using toURI() and URI.toURL()."
             // A possibly better approach here is to construct a URI and then resolve it against
             // a URI for the current working directory.
             // But we use this string match for now so everyone can see it doesn't hurt file-only
             // classpaths.
             URI newURI;
             if (!URI_PATTERN.matcher(path).matches()) {
               newURI = new File(path).toURI();
             } else {
               newURI = new URI(path);
             }
             URL[] urls = getURLs();
             for (URL url : urls) {
               // Do not use URL.equals.  It uses the network to resolve names and compares ip
               // addresses!
               // That is a violation of RFC and just plain evil.
               // http://michaelscharf.blogspot.com/2006/11/javaneturlequals-and-hashcode-make.html
               // http://docs.oracle.com/javase/7/docs/api/java/net/URL.html#equals(java.lang.Object)
               // "Since hosts comparison requires name resolution, this operation is a blocking
               // operation.
               // Note: The defined behavior for equals is known to be inconsistent with virtual
               // hosting in HTTP."
               if (newURI.equals(url.toURI())) return null;
             }
             addURL(newURI.toURL());
           } catch (MalformedURLException e) {
             // TODO: fail through ?
           } catch (URISyntaxException e) {
             // Just doing the same thing...
           }
           return null;
         }
       });
 }