Examples with PrivilegeObjectDesc org.apache.hadoop.hive.ql.ddl.privilege.PrivilegeObjectDesc used on opensource projects

Example 1 with PrivilegeObjectDesc

use of org.apache.hadoop.hive.ql.ddl.privilege.PrivilegeObjectDesc in project hive by apache.

the class HiveAuthorizationTaskFactoryImpl method createRevokeTask.

@Override
public Task<?> createRevokeTask(ASTNode ast, Set<ReadEntity> inputs, Set<WriteEntity> outputs) throws SemanticException {
    List<PrivilegeDesc> privilegeDesc = analyzePrivilegeListDef((ASTNode) ast.getChild(0));
    List<PrincipalDesc> principalDesc = AuthorizationParseUtils.analyzePrincipalListDef((ASTNode) ast.getChild(1));
    PrivilegeObjectDesc hiveObj = null;
    boolean grantOption = false;
    if (ast.getChildCount() > 2) {
        ASTNode astChild = (ASTNode) ast.getChild(2);
        hiveObj = analyzePrivilegeObject(astChild, outputs);
        if (null != ast.getFirstChildWithType(HiveParser.TOK_GRANT_OPTION_FOR)) {
            grantOption = true;
        }
    }
    RevokeDesc revokeDesc = new RevokeDesc(privilegeDesc, principalDesc, hiveObj, grantOption);
    return TaskFactory.get(new DDLWork(inputs, outputs, revokeDesc));
}

Example 2 with PrivilegeObjectDesc

use of org.apache.hadoop.hive.ql.ddl.privilege.PrivilegeObjectDesc in project hive by apache.

the class HiveAuthorizationTaskFactoryImpl method createShowGrantTask.

@Override
public Task<?> createShowGrantTask(ASTNode ast, Path resultFile, Set<ReadEntity> inputs, Set<WriteEntity> outputs) throws SemanticException {
    PrincipalDesc principalDesc = null;
    PrivilegeObjectDesc privHiveObj = null;
    ASTNode param = null;
    if (ast.getChildCount() > 0) {
        param = (ASTNode) ast.getChild(0);
        principalDesc = AuthorizationParseUtils.getPrincipalDesc(param);
        if (principalDesc != null) {
            // shift one
            param = (ASTNode) ast.getChild(1);
        }
    }
    if (param != null) {
        if (param.getType() == HiveParser.TOK_RESOURCE_ALL) {
            privHiveObj = new PrivilegeObjectDesc(true, null, null, null);
        } else if (param.getType() == HiveParser.TOK_PRIV_OBJECT_COL) {
            privHiveObj = parsePrivObject(param);
        }
    }
    ShowGrantDesc showGrant = new ShowGrantDesc(resultFile.toString(), principalDesc, privHiveObj);
    return TaskFactory.get(new DDLWork(inputs, outputs, showGrant));
}

Example 3 with PrivilegeObjectDesc

use of org.apache.hadoop.hive.ql.ddl.privilege.PrivilegeObjectDesc in project hive by apache.

the class HiveAuthorizationTaskFactoryImpl method analyzePrivilegeObject.

private PrivilegeObjectDesc analyzePrivilegeObject(ASTNode ast, Set<WriteEntity> outputs) throws SemanticException {
    PrivilegeObjectDesc subject = parsePrivObject(ast);
    if (subject.getTable()) {
        Table tbl = getTable(subject.getObject());
        if (subject.getPartSpec() != null) {
            Partition part = getPartition(tbl, subject.getPartSpec());
            outputs.add(new WriteEntity(part, WriteEntity.WriteType.DDL_NO_LOCK));
        } else {
            outputs.add(new WriteEntity(tbl, WriteEntity.WriteType.DDL_NO_LOCK));
        }
    }
    return subject;
}

Example 4 with PrivilegeObjectDesc

use of org.apache.hadoop.hive.ql.ddl.privilege.PrivilegeObjectDesc in project hive by apache.

the class HiveAuthorizationTaskFactoryImpl method parsePrivObject.

protected PrivilegeObjectDesc parsePrivObject(ASTNode ast) throws SemanticException {
    boolean isTable;
    String object = null;
    Map<String, String> partSpec = null;
    List<String> columns = null;
    ASTNode child = (ASTNode) ast.getChild(0);
    ASTNode gchild = (ASTNode) child.getChild(0);
    if (child.getType() == HiveParser.TOK_TABLE_TYPE) {
        isTable = true;
        object = BaseSemanticAnalyzer.getQualifiedTableName(gchild).getNotEmptyDbTable();
    } else if (child.getType() == HiveParser.TOK_URI_TYPE || child.getType() == HiveParser.TOK_SERVER_TYPE) {
        throw new SemanticException("Hive authorization does not support the URI or SERVER objects");
    } else {
        isTable = false;
        object = BaseSemanticAnalyzer.unescapeIdentifier(gchild.getText());
    }
    // if partition spec node is present, set partition spec
    for (int i = 1; i < child.getChildCount(); i++) {
        gchild = (ASTNode) child.getChild(i);
        if (gchild.getType() == HiveParser.TOK_PARTSPEC) {
            partSpec = BaseSemanticAnalyzer.getPartSpec(gchild);
        } else if (gchild.getType() == HiveParser.TOK_TABCOLNAME) {
            columns = BaseSemanticAnalyzer.getColumnNames(gchild);
        }
    }
    return new PrivilegeObjectDesc(isTable, object, partSpec, columns);
}

Example 5 with PrivilegeObjectDesc

use of org.apache.hadoop.hive.ql.ddl.privilege.PrivilegeObjectDesc in project hive by apache.

the class HiveAuthorizationTaskFactoryImpl method createGrantTask.

@Override
public Task<?> createGrantTask(ASTNode ast, Set<ReadEntity> inputs, Set<WriteEntity> outputs) throws SemanticException {
    List<PrivilegeDesc> privilegeDesc = analyzePrivilegeListDef((ASTNode) ast.getChild(0));
    List<PrincipalDesc> principalDesc = AuthorizationParseUtils.analyzePrincipalListDef((ASTNode) ast.getChild(1));
    boolean grantOption = false;
    PrivilegeObjectDesc privilegeObj = null;
    if (ast.getChildCount() > 2) {
        for (int i = 2; i < ast.getChildCount(); i++) {
            ASTNode astChild = (ASTNode) ast.getChild(i);
            if (astChild.getType() == HiveParser.TOK_GRANT_WITH_OPTION) {
                grantOption = true;
            } else if (astChild.getType() == HiveParser.TOK_PRIV_OBJECT) {
                privilegeObj = analyzePrivilegeObject(astChild, outputs);
            }
        }
    }
    String userName = SessionState.getUserFromAuthenticator();
    GrantDesc grantDesc = new GrantDesc(privilegeObj, privilegeDesc, principalDesc, userName, PrincipalType.USER, grantOption);
    return TaskFactory.get(new DDLWork(inputs, outputs, grantDesc));
}