Examples with HiveObjectPrivilege org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege used on opensource projects

Example 11 with HiveObjectPrivilege

use of org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege in project hive by apache.

the class SQLStdHiveAccessController method revokePrivileges.

@Override
public void revokePrivileges(List<HivePrincipal> hivePrincipals, List<HivePrivilege> hivePrivileges, HivePrivilegeObject hivePrivObject, HivePrincipal grantorPrincipal, boolean grantOption) throws HiveAuthzPluginException, HiveAccessControlException {
    hivePrivileges = expandAndValidatePrivileges(hivePrivileges);
    IMetaStoreClient metastoreClient = metastoreClientFactory.getHiveMetastoreClient();
    // authorize the revoke, and get the set of privileges to be revoked
    List<HiveObjectPrivilege> revokePrivs = RevokePrivAuthUtils.authorizeAndGetRevokePrivileges(hivePrincipals, hivePrivileges, hivePrivObject, grantOption, metastoreClient, authenticator.getUserName());
    try {
        // unfortunately, the metastore api revokes all privileges that match on
        // principal, privilege object type it does not filter on the grator
        // username.
        // So this will revoke privileges that are granted by other users.This is
        // not SQL compliant behavior. Need to change/add a metastore api
        // that has desired behavior.
        metastoreClient.revoke_privileges(new PrivilegeBag(revokePrivs), grantOption);
    } catch (Exception e) {
        throw SQLAuthorizationUtils.getPluginException("Error revoking privileges", e);
    }
}

Example 12 with HiveObjectPrivilege

use of org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege in project hive by apache.

the class SQLStdHiveAccessController method showPrivileges.

@Override
public List<HivePrivilegeInfo> showPrivileges(HivePrincipal principal, HivePrivilegeObject privObj) throws HiveAuthzPluginException {
    try {
        // First authorize the call
        if (principal == null) {
            // only the admin is allowed to list privileges for any user
            if (!isUserAdmin()) {
                throw new HiveAccessControlException("User : " + currentUserName + " has to specify" + " a user name or role in the show grant. " + ADMIN_ONLY_MSG);
            }
        } else {
            //principal is specified, authorize on it
            if (!isUserAdmin()) {
                ensureShowGrantAllowed(principal);
            }
        }
        IMetaStoreClient mClient = metastoreClientFactory.getHiveMetastoreClient();
        List<HivePrivilegeInfo> resPrivInfos = new ArrayList<HivePrivilegeInfo>();
        String principalName = principal == null ? null : principal.getName();
        PrincipalType principalType = principal == null ? null : AuthorizationUtils.getThriftPrincipalType(principal.getType());
        // get metastore/thrift privilege object using metastore api
        List<HiveObjectPrivilege> msObjPrivs = mClient.list_privileges(principalName, principalType, SQLAuthorizationUtils.getThriftHiveObjectRef(privObj));
        // convert the metastore thrift objects to result objects
        for (HiveObjectPrivilege msObjPriv : msObjPrivs) {
            // result principal
            HivePrincipal resPrincipal = new HivePrincipal(msObjPriv.getPrincipalName(), AuthorizationUtils.getHivePrincipalType(msObjPriv.getPrincipalType()));
            // result privilege
            PrivilegeGrantInfo msGrantInfo = msObjPriv.getGrantInfo();
            HivePrivilege resPrivilege = new HivePrivilege(msGrantInfo.getPrivilege(), null);
            // result object
            HiveObjectRef msObjRef = msObjPriv.getHiveObject();
            if (!isSupportedObjectType(msObjRef.getObjectType())) {
                // ignore them
                continue;
            }
            HivePrivilegeObject resPrivObj = new HivePrivilegeObject(getPluginPrivilegeObjType(msObjRef.getObjectType()), msObjRef.getDbName(), msObjRef.getObjectName(), msObjRef.getPartValues(), msObjRef.getColumnName());
            // result grantor principal
            HivePrincipal grantorPrincipal = new HivePrincipal(msGrantInfo.getGrantor(), AuthorizationUtils.getHivePrincipalType(msGrantInfo.getGrantorType()));
            HivePrivilegeInfo resPrivInfo = new HivePrivilegeInfo(resPrincipal, resPrivilege, resPrivObj, grantorPrincipal, msGrantInfo.isGrantOption(), msGrantInfo.getCreateTime());
            resPrivInfos.add(resPrivInfo);
        }
        return resPrivInfos;
    } catch (Exception e) {
        throw SQLAuthorizationUtils.getPluginException("Error showing privileges", e);
    }
}

Example 13 with HiveObjectPrivilege

use of org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege in project hive by apache.

the class AuthorizationUtils method getPrivilegeInfos.

public static List<HivePrivilegeInfo> getPrivilegeInfos(List<HiveObjectPrivilege> privs) throws HiveException {
    List<HivePrivilegeInfo> hivePrivs = new ArrayList<HivePrivilegeInfo>();
    for (HiveObjectPrivilege priv : privs) {
        PrivilegeGrantInfo grantorInfo = priv.getGrantInfo();
        HiveObjectRef privObject = priv.getHiveObject();
        HivePrincipal hivePrincipal = getHivePrincipal(priv.getPrincipalName(), priv.getPrincipalType());
        HivePrincipal grantor = getHivePrincipal(grantorInfo.getGrantor(), grantorInfo.getGrantorType());
        HivePrivilegeObject object = getHiveObjectRef(privObject);
        HivePrivilege privilege = new HivePrivilege(grantorInfo.getPrivilege(), null);
        hivePrivs.add(new HivePrivilegeInfo(hivePrincipal, privilege, object, grantor, grantorInfo.isGrantOption(), grantorInfo.getCreateTime()));
    }
    return hivePrivs;
}

Example 14 with HiveObjectPrivilege

use of org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege in project hive by apache.

the class HiveV1Authorizer method grantOrRevokePrivs.

private void grantOrRevokePrivs(List<HivePrincipal> principals, PrivilegeBag privBag, boolean isGrant, boolean grantOption) throws HiveException {
    for (HivePrincipal principal : principals) {
        PrincipalType type = AuthorizationUtils.getThriftPrincipalType(principal.getType());
        for (HiveObjectPrivilege priv : privBag.getPrivileges()) {
            priv.setPrincipalName(principal.getName());
            priv.setPrincipalType(type);
        }
        Hive hive = Hive.getWithFastCheck(this.conf);
        if (isGrant) {
            hive.grantPrivileges(privBag);
        } else {
            hive.revokePrivileges(privBag, grantOption);
        }
    }
}

Example 15 with HiveObjectPrivilege

use of org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege in project hive by apache.

the class RevokePrivAuthUtils method authorizeAndGetRevokePrivileges.

public static List<HiveObjectPrivilege> authorizeAndGetRevokePrivileges(List<HivePrincipal> principals, List<HivePrivilege> hivePrivileges, HivePrivilegeObject hivePrivObject, boolean grantOption, IMetaStoreClient mClient, String userName) throws HiveAuthzPluginException, HiveAccessControlException {
    List<HiveObjectPrivilege> matchingPrivs = new ArrayList<HiveObjectPrivilege>();
    StringBuilder errMsg = new StringBuilder();
    for (HivePrincipal principal : principals) {
        // get metastore/thrift privilege object for this principal and object, not looking at
        // privileges obtained indirectly via roles
        List<HiveObjectPrivilege> msObjPrivs;
        try {
            msObjPrivs = mClient.list_privileges(principal.getName(), AuthorizationUtils.getThriftPrincipalType(principal.getType()), SQLAuthorizationUtils.getThriftHiveObjectRef(hivePrivObject));
        } catch (MetaException e) {
            throw new HiveAuthzPluginException(e);
        } catch (TException e) {
            throw new HiveAuthzPluginException(e);
        }
        // the resulting privileges need to be filtered on privilege type and
        // username
        // create a Map to capture object privileges corresponding to privilege
        // type
        Map<String, HiveObjectPrivilege> priv2privObj = new HashMap<String, HiveObjectPrivilege>();
        for (HiveObjectPrivilege msObjPriv : msObjPrivs) {
            PrivilegeGrantInfo grantInfo = msObjPriv.getGrantInfo();
            // check if the grantor matches current user
            if (grantInfo.getGrantor() != null && grantInfo.getGrantor().equals(userName) && grantInfo.getGrantorType() == PrincipalType.USER) {
                // add to the map
                priv2privObj.put(grantInfo.getPrivilege(), msObjPriv);
            }
        // else skip this one
        }
        // find the privileges that we are looking for
        for (HivePrivilege hivePrivilege : hivePrivileges) {
            HiveObjectPrivilege matchedPriv = priv2privObj.get(hivePrivilege.getName());
            if (matchedPriv != null) {
                matchingPrivs.add(matchedPriv);
            } else {
                errMsg.append("Cannot find privilege ").append(hivePrivilege).append(" for ").append(principal).append(" on ").append(hivePrivObject).append(" granted by ").append(userName).append(System.getProperty("line.separator"));
            }
        }
    }
    if (errMsg.length() != 0) {
        throw new HiveAccessControlException(errMsg.toString());
    }
    return matchingPrivs;
}