RBAC Http filter implementation.
| 65 | |
| 66 | /** RBAC Http filter implementation. */ |
| 67 | final class RbacFilter implements Filter { |
| 68 | private static final Logger logger = Logger.getLogger(RbacFilter.class.getName()); |
| 69 | |
| 70 | private static final RbacFilter INSTANCE = new RbacFilter(); |
| 71 | |
| 72 | static final String TYPE_URL = |
| 73 | "type.googleapis.com/envoy.extensions.filters.http.rbac.v3.RBAC"; |
| 74 | |
| 75 | private static final String TYPE_URL_OVERRIDE_CONFIG = |
| 76 | "type.googleapis.com/envoy.extensions.filters.http.rbac.v3.RBACPerRoute"; |
| 77 | |
| 78 | private RbacFilter() {} |
| 79 | |
| 80 | static final class Provider implements Filter.Provider { |
| 81 | @Override |
| 82 | public String[] typeUrls() { |
| 83 | return new String[] {TYPE_URL, TYPE_URL_OVERRIDE_CONFIG}; |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public boolean isServerFilter() { |
| 88 | return true; |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public RbacFilter newInstance(String name) { |
| 93 | return INSTANCE; |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public ConfigOrError<RbacConfig> parseFilterConfig( |
| 98 | Message rawProtoMessage, FilterConfigParseContext context) { |
| 99 | RBAC rbacProto; |
| 100 | if (!(rawProtoMessage instanceof Any)) { |
| 101 | return ConfigOrError.fromError("Invalid config type: " + rawProtoMessage.getClass()); |
| 102 | } |
| 103 | Any anyMessage = (Any) rawProtoMessage; |
| 104 | try { |
| 105 | rbacProto = anyMessage.unpack(RBAC.class); |
| 106 | } catch (InvalidProtocolBufferException e) { |
| 107 | return ConfigOrError.fromError("Invalid proto: " + e); |
| 108 | } |
| 109 | return parseRbacConfig(rbacProto); |
| 110 | } |
| 111 | |
| 112 | @Override |
| 113 | public ConfigOrError<RbacConfig> parseFilterConfigOverride( |
| 114 | Message rawProtoMessage, FilterConfigParseContext context) { |
| 115 | RBACPerRoute rbacPerRoute; |
| 116 | if (!(rawProtoMessage instanceof Any)) { |
| 117 | return ConfigOrError.fromError("Invalid config type: " + rawProtoMessage.getClass()); |
| 118 | } |
| 119 | Any anyMessage = (Any) rawProtoMessage; |
| 120 | try { |
| 121 | rbacPerRoute = anyMessage.unpack(RBACPerRoute.class); |
| 122 | } catch (InvalidProtocolBufferException e) { |
| 123 | return ConfigOrError.fromError("Invalid proto: " + e); |
| 124 | } |