Example usage for org.apache.hadoop.fs.permission AclEntry getPermission

Introduction

In this page you can find the example usage for org.apache.hadoop.fs.permission AclEntry getPermission.

Prototype

public FsAction getPermission() 

Source Link

Document

Returns the set of permissions in the ACL entry.

Usage

From source file:alluxio.underfs.hdfs.acl.SupportedHdfsAclProvider.java

License:Apache License

@Override
public Pair<AccessControlList, DefaultAccessControlList> getAcl(FileSystem hdfs, String path)
        throws IOException {
    AclStatus hdfsAcl;//from  ww  w  .  j a v  a2 s  .  c o m
    Path filePath = new Path(path);
    boolean isDir = hdfs.isDirectory(filePath);
    try {
        hdfsAcl = hdfs.getAclStatus(filePath);
    } catch (AclException e) {
        // When dfs.namenode.acls.enabled is false, getAclStatus throws AclException.
        return new Pair<>(null, null);
    }
    AccessControlList acl = new AccessControlList();
    DefaultAccessControlList defaultAcl = new DefaultAccessControlList();

    acl.setOwningUser(hdfsAcl.getOwner());
    acl.setOwningGroup(hdfsAcl.getGroup());
    defaultAcl.setOwningUser(hdfsAcl.getOwner());
    defaultAcl.setOwningGroup(hdfsAcl.getGroup());
    for (AclEntry entry : hdfsAcl.getEntries()) {
        alluxio.security.authorization.AclEntry.Builder builder = new alluxio.security.authorization.AclEntry.Builder();
        builder.setType(getAclEntryType(entry));
        builder.setSubject(entry.getName() == null ? "" : entry.getName());
        FsAction permission = entry.getPermission();
        if (permission.implies(FsAction.READ)) {
            builder.addAction(AclAction.READ);
        } else if (permission.implies(FsAction.WRITE)) {
            builder.addAction(AclAction.WRITE);
        } else if (permission.implies(FsAction.EXECUTE)) {
            builder.addAction(AclAction.EXECUTE);
        }
        if (entry.getScope().equals(AclEntryScope.ACCESS)) {
            acl.setEntry(builder.build());
        } else {
            // default ACL, must be a directory
            defaultAcl.setEntry(builder.build());
        }
    }
    if (isDir) {
        return new Pair<>(acl, defaultAcl);
    } else {
        // a null defaultACL indicates this is a file
        return new Pair<>(acl, null);
    }
}

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From source file:org.apache.sentry.hdfs.SentryAuthorizationProvider.java

License:Apache License

private void addToACLMap(Map<String, AclEntry> map, Collection<AclEntry> entries) {
    for (AclEntry ent : entries) {
        String key = (ent.getName() == null ? "" : ent.getName()) + ent.getScope() + ent.getType();
        AclEntry aclEntry = map.get(key);
        if (aclEntry == null) {
            map.put(key, ent);/*from   www.  j a v a2s  .co  m*/
        } else {
            map.put(key,
                    new AclEntry.Builder().setName(ent.getName()).setScope(ent.getScope())
                            .setType(ent.getType())
                            .setPermission(ent.getPermission().or(aclEntry.getPermission())).build());
        }
    }
}

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From source file:org.apache.sentry.hdfs.SentryINodeAttributesProvider.java

License:Apache License

private static void addToACLMap(Map<String, AclEntry> map, Collection<AclEntry> entries) {
    for (AclEntry ent : entries) {
        String key = (ent.getName() == null ? "" : ent.getName()) + ent.getScope() + ent.getType();
        AclEntry aclEntry = map.get(key);
        if (aclEntry == null) {
            map.put(key, ent);//from w ww.j a v  a  2  s . c  o  m
        } else {
            map.put(key,
                    new AclEntry.Builder().setName(ent.getName()).setScope(ent.getScope())
                            .setType(ent.getType())
                            .setPermission(ent.getPermission().or(aclEntry.getPermission())).build());
        }
    }
}

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From source file:org.apache.sentry.tests.e2e.hdfs.TestHDFSIntegration.java

License:Apache License

private Map<String, FsAction> getAcls(Path path) throws Exception {
    AclStatus aclStatus = miniDFS.getFileSystem().getAclStatus(path);
    Map<String, FsAction> acls = new HashMap<String, FsAction>();
    for (AclEntry ent : aclStatus.getEntries()) {
        if (ent.getType().equals(AclEntryType.GROUP)) {

            // In case of duplicate acl exist, exception should be thrown.
            if (acls.containsKey(ent.getName())) {
                throw new SentryAlreadyExistsException("The acl " + ent.getName());
            } else {
                acls.put(ent.getName(), ent.getPermission());
            }/* ww w  .  ja  v a  2 s  .  co  m*/
        }
    }
    return acls;
}

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From source file:org.apache.sentry.tests.e2e.hdfs.TestHDFSIntegrationBase.java

License:Apache License

protected Map<String, FsAction> getAcls(AclEntryType type, Path path) throws Exception {
    AclStatus aclStatus = miniDFS.getFileSystem().getAclStatus(path);
    Map<String, FsAction> acls = new HashMap<String, FsAction>();
    for (AclEntry ent : aclStatus.getEntries()) {
        if (ent.getType().equals(type)) {

            // In case of duplicate acl exist, exception should be thrown.
            if (acls.containsKey(ent.getName())) {
                throw new SentryAlreadyExistsException("The acl " + ent.getName() + " already exists.\n");
            } else {
                acls.put(ent.getName(), ent.getPermission());
            }//www.j  a v a 2 s .co m
        }
    }
    return acls;
}

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