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| 1 | +package org.cloudfoundry; |
| 2 | + |
| 3 | +import io.github.resilience4j.ratelimiter.RateLimiter; |
| 4 | +import io.github.resilience4j.ratelimiter.RateLimiterConfig; |
| 5 | +import io.github.resilience4j.reactor.ratelimiter.operator.RateLimiterOperator; |
| 6 | +import java.time.Duration; |
| 7 | +import org.cloudfoundry.uaa.UaaClient; |
| 8 | +import org.cloudfoundry.uaa.authorizations.Authorizations; |
| 9 | +import org.cloudfoundry.uaa.clients.Clients; |
| 10 | +import org.cloudfoundry.uaa.groups.AddMemberRequest; |
| 11 | +import org.cloudfoundry.uaa.groups.AddMemberResponse; |
| 12 | +import org.cloudfoundry.uaa.groups.CheckMembershipRequest; |
| 13 | +import org.cloudfoundry.uaa.groups.CheckMembershipResponse; |
| 14 | +import org.cloudfoundry.uaa.groups.CreateGroupRequest; |
| 15 | +import org.cloudfoundry.uaa.groups.CreateGroupResponse; |
| 16 | +import org.cloudfoundry.uaa.groups.DeleteGroupRequest; |
| 17 | +import org.cloudfoundry.uaa.groups.DeleteGroupResponse; |
| 18 | +import org.cloudfoundry.uaa.groups.GetGroupRequest; |
| 19 | +import org.cloudfoundry.uaa.groups.GetGroupResponse; |
| 20 | +import org.cloudfoundry.uaa.groups.Groups; |
| 21 | +import org.cloudfoundry.uaa.groups.ListExternalGroupMappingsRequest; |
| 22 | +import org.cloudfoundry.uaa.groups.ListExternalGroupMappingsResponse; |
| 23 | +import org.cloudfoundry.uaa.groups.ListGroupsRequest; |
| 24 | +import org.cloudfoundry.uaa.groups.ListGroupsResponse; |
| 25 | +import org.cloudfoundry.uaa.groups.ListMembersRequest; |
| 26 | +import org.cloudfoundry.uaa.groups.ListMembersResponse; |
| 27 | +import org.cloudfoundry.uaa.groups.MapExternalGroupRequest; |
| 28 | +import org.cloudfoundry.uaa.groups.MapExternalGroupResponse; |
| 29 | +import org.cloudfoundry.uaa.groups.RemoveMemberRequest; |
| 30 | +import org.cloudfoundry.uaa.groups.RemoveMemberResponse; |
| 31 | +import org.cloudfoundry.uaa.groups.UnmapExternalGroupByGroupDisplayNameRequest; |
| 32 | +import org.cloudfoundry.uaa.groups.UnmapExternalGroupByGroupDisplayNameResponse; |
| 33 | +import org.cloudfoundry.uaa.groups.UnmapExternalGroupByGroupIdRequest; |
| 34 | +import org.cloudfoundry.uaa.groups.UnmapExternalGroupByGroupIdResponse; |
| 35 | +import org.cloudfoundry.uaa.groups.UpdateGroupRequest; |
| 36 | +import org.cloudfoundry.uaa.groups.UpdateGroupResponse; |
| 37 | +import org.cloudfoundry.uaa.identityproviders.IdentityProviders; |
| 38 | +import org.cloudfoundry.uaa.identityzones.IdentityZones; |
| 39 | +import org.cloudfoundry.uaa.serverinformation.ServerInformation; |
| 40 | +import org.cloudfoundry.uaa.tokens.Tokens; |
| 41 | +import org.cloudfoundry.uaa.users.ChangeUserPasswordRequest; |
| 42 | +import org.cloudfoundry.uaa.users.ChangeUserPasswordResponse; |
| 43 | +import org.cloudfoundry.uaa.users.CreateUserRequest; |
| 44 | +import org.cloudfoundry.uaa.users.CreateUserResponse; |
| 45 | +import org.cloudfoundry.uaa.users.DeleteUserRequest; |
| 46 | +import org.cloudfoundry.uaa.users.DeleteUserResponse; |
| 47 | +import org.cloudfoundry.uaa.users.ExpirePasswordRequest; |
| 48 | +import org.cloudfoundry.uaa.users.ExpirePasswordResponse; |
| 49 | +import org.cloudfoundry.uaa.users.GetUserVerificationLinkRequest; |
| 50 | +import org.cloudfoundry.uaa.users.GetUserVerificationLinkResponse; |
| 51 | +import org.cloudfoundry.uaa.users.InviteUsersRequest; |
| 52 | +import org.cloudfoundry.uaa.users.InviteUsersResponse; |
| 53 | +import org.cloudfoundry.uaa.users.ListUsersRequest; |
| 54 | +import org.cloudfoundry.uaa.users.ListUsersResponse; |
| 55 | +import org.cloudfoundry.uaa.users.LookupUserIdsRequest; |
| 56 | +import org.cloudfoundry.uaa.users.LookupUserIdsResponse; |
| 57 | +import org.cloudfoundry.uaa.users.UpdateUserRequest; |
| 58 | +import org.cloudfoundry.uaa.users.UpdateUserResponse; |
| 59 | +import org.cloudfoundry.uaa.users.UserInfoRequest; |
| 60 | +import org.cloudfoundry.uaa.users.UserInfoResponse; |
| 61 | +import org.cloudfoundry.uaa.users.Users; |
| 62 | +import org.cloudfoundry.uaa.users.VerifyUserRequest; |
| 63 | +import org.cloudfoundry.uaa.users.VerifyUserResponse; |
| 64 | +import reactor.core.publisher.Mono; |
| 65 | + |
| 66 | +public class ThrottlingUaaClient implements UaaClient { |
| 67 | + |
| 68 | + private final UaaClient delegate; |
| 69 | + |
| 70 | + private final RateLimiter rateLimiter; |
| 71 | + private final ThrottledUsers users; |
| 72 | + private Groups groups; |
| 73 | + |
| 74 | + public ThrottlingUaaClient(UaaClient delegate) { |
| 75 | + this.delegate = delegate; |
| 76 | + RateLimiterConfig config = |
| 77 | + RateLimiterConfig.custom() |
| 78 | + .limitForPeriod(5) |
| 79 | + .limitRefreshPeriod(Duration.ofSeconds(1)) |
| 80 | + .build(); |
| 81 | + this.rateLimiter = RateLimiter.of("uaa", config); |
| 82 | + this.users = new ThrottledUsers(); |
| 83 | + this.groups = new ThrottledGroups(); |
| 84 | + } |
| 85 | + |
| 86 | + @Override |
| 87 | + public Authorizations authorizations() { |
| 88 | + return this.delegate.authorizations(); |
| 89 | + } |
| 90 | + |
| 91 | + @Override |
| 92 | + public Clients clients() { |
| 93 | + return this.delegate.clients(); |
| 94 | + } |
| 95 | + |
| 96 | + @Override |
| 97 | + public Mono<String> getUsername() { |
| 98 | + return this.delegate.getUsername(); |
| 99 | + } |
| 100 | + |
| 101 | + @Override |
| 102 | + public IdentityProviders identityProviders() { |
| 103 | + return this.delegate.identityProviders(); |
| 104 | + } |
| 105 | + |
| 106 | + @Override |
| 107 | + public IdentityZones identityZones() { |
| 108 | + return this.delegate.identityZones(); |
| 109 | + } |
| 110 | + |
| 111 | + @Override |
| 112 | + public ServerInformation serverInformation() { |
| 113 | + return this.delegate.serverInformation(); |
| 114 | + } |
| 115 | + |
| 116 | + @Override |
| 117 | + public Tokens tokens() { |
| 118 | + return this.delegate.tokens(); |
| 119 | + } |
| 120 | + |
| 121 | + @Override |
| 122 | + public Users users() { |
| 123 | + return users; |
| 124 | + } |
| 125 | + |
| 126 | + @Override |
| 127 | + public Groups groups() { |
| 128 | + return groups; |
| 129 | + } |
| 130 | + |
| 131 | + public class ThrottledUsers implements Users { |
| 132 | + |
| 133 | + private final Users usersDelegate; |
| 134 | + |
| 135 | + public ThrottledUsers() { |
| 136 | + this.usersDelegate = delegate.users(); |
| 137 | + } |
| 138 | + |
| 139 | + @Override |
| 140 | + public Mono<ChangeUserPasswordResponse> changePassword(ChangeUserPasswordRequest request) { |
| 141 | + return this.usersDelegate |
| 142 | + .changePassword(request) |
| 143 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 144 | + } |
| 145 | + |
| 146 | + @Override |
| 147 | + public Mono<CreateUserResponse> create(CreateUserRequest request) { |
| 148 | + return this.usersDelegate |
| 149 | + .create(request) |
| 150 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 151 | + } |
| 152 | + |
| 153 | + @Override |
| 154 | + public Mono<DeleteUserResponse> delete(DeleteUserRequest request) { |
| 155 | + return this.usersDelegate |
| 156 | + .delete(request) |
| 157 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 158 | + } |
| 159 | + |
| 160 | + @Override |
| 161 | + public Mono<ExpirePasswordResponse> expirePassword(ExpirePasswordRequest request) { |
| 162 | + return this.usersDelegate |
| 163 | + .expirePassword(request) |
| 164 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 165 | + } |
| 166 | + |
| 167 | + @Override |
| 168 | + public Mono<GetUserVerificationLinkResponse> getVerificationLink( |
| 169 | + GetUserVerificationLinkRequest request) { |
| 170 | + return this.usersDelegate |
| 171 | + .getVerificationLink(request) |
| 172 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 173 | + } |
| 174 | + |
| 175 | + @Override |
| 176 | + public Mono<InviteUsersResponse> invite(InviteUsersRequest request) { |
| 177 | + return this.usersDelegate |
| 178 | + .invite(request) |
| 179 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 180 | + } |
| 181 | + |
| 182 | + @Override |
| 183 | + public Mono<ListUsersResponse> list(ListUsersRequest request) { |
| 184 | + return this.usersDelegate |
| 185 | + .list(request) |
| 186 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 187 | + } |
| 188 | + |
| 189 | + @Override |
| 190 | + public Mono<LookupUserIdsResponse> lookup(LookupUserIdsRequest request) { |
| 191 | + return this.usersDelegate |
| 192 | + .lookup(request) |
| 193 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 194 | + } |
| 195 | + |
| 196 | + @Override |
| 197 | + public Mono<UpdateUserResponse> update(UpdateUserRequest request) { |
| 198 | + return this.usersDelegate |
| 199 | + .update(request) |
| 200 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 201 | + } |
| 202 | + |
| 203 | + @Override |
| 204 | + public Mono<UserInfoResponse> userInfo(UserInfoRequest request) { |
| 205 | + return this.usersDelegate |
| 206 | + .userInfo(request) |
| 207 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 208 | + } |
| 209 | + |
| 210 | + @Override |
| 211 | + public Mono<VerifyUserResponse> verify(VerifyUserRequest request) { |
| 212 | + return this.usersDelegate |
| 213 | + .verify(request) |
| 214 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 215 | + } |
| 216 | + } |
| 217 | + |
| 218 | + public class ThrottledGroups implements Groups { |
| 219 | + |
| 220 | + public final Groups groupsDelegate; |
| 221 | + |
| 222 | + public ThrottledGroups() { |
| 223 | + this.groupsDelegate = delegate.groups(); |
| 224 | + } |
| 225 | + |
| 226 | + @Override |
| 227 | + public Mono<AddMemberResponse> addMember(AddMemberRequest request) { |
| 228 | + return this.groupsDelegate |
| 229 | + .addMember(request) |
| 230 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 231 | + } |
| 232 | + |
| 233 | + @Override |
| 234 | + public Mono<CheckMembershipResponse> checkMembership(CheckMembershipRequest request) { |
| 235 | + return this.groupsDelegate |
| 236 | + .checkMembership(request) |
| 237 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 238 | + } |
| 239 | + |
| 240 | + @Override |
| 241 | + public Mono<CreateGroupResponse> create(CreateGroupRequest request) { |
| 242 | + return this.groupsDelegate |
| 243 | + .create(request) |
| 244 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 245 | + } |
| 246 | + |
| 247 | + @Override |
| 248 | + public Mono<DeleteGroupResponse> delete(DeleteGroupRequest request) { |
| 249 | + return this.groupsDelegate |
| 250 | + .delete(request) |
| 251 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 252 | + } |
| 253 | + |
| 254 | + @Override |
| 255 | + public Mono<GetGroupResponse> get(GetGroupRequest request) { |
| 256 | + return this.groupsDelegate |
| 257 | + .get(request) |
| 258 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 259 | + } |
| 260 | + |
| 261 | + @Override |
| 262 | + public Mono<ListGroupsResponse> list(ListGroupsRequest request) { |
| 263 | + return this.groupsDelegate |
| 264 | + .list(request) |
| 265 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 266 | + } |
| 267 | + |
| 268 | + @Override |
| 269 | + public Mono<ListExternalGroupMappingsResponse> listExternalGroupMappings( |
| 270 | + ListExternalGroupMappingsRequest request) { |
| 271 | + return this.groupsDelegate |
| 272 | + .listExternalGroupMappings(request) |
| 273 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 274 | + } |
| 275 | + |
| 276 | + @Override |
| 277 | + public Mono<ListMembersResponse> listMembers(ListMembersRequest request) { |
| 278 | + return this.groupsDelegate |
| 279 | + .listMembers(request) |
| 280 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 281 | + } |
| 282 | + |
| 283 | + @Override |
| 284 | + public Mono<MapExternalGroupResponse> mapExternalGroup(MapExternalGroupRequest request) { |
| 285 | + return this.groupsDelegate |
| 286 | + .mapExternalGroup(request) |
| 287 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 288 | + } |
| 289 | + |
| 290 | + @Override |
| 291 | + public Mono<RemoveMemberResponse> removeMember(RemoveMemberRequest request) { |
| 292 | + return this.groupsDelegate |
| 293 | + .removeMember(request) |
| 294 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 295 | + } |
| 296 | + |
| 297 | + @Override |
| 298 | + public Mono<UnmapExternalGroupByGroupDisplayNameResponse> |
| 299 | + unmapExternalGroupByGroupDisplayName( |
| 300 | + UnmapExternalGroupByGroupDisplayNameRequest request) { |
| 301 | + return this.groupsDelegate |
| 302 | + .unmapExternalGroupByGroupDisplayName(request) |
| 303 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 304 | + } |
| 305 | + |
| 306 | + @Override |
| 307 | + public Mono<UnmapExternalGroupByGroupIdResponse> unmapExternalGroupByGroupId( |
| 308 | + UnmapExternalGroupByGroupIdRequest request) { |
| 309 | + return this.groupsDelegate |
| 310 | + .unmapExternalGroupByGroupId(request) |
| 311 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 312 | + } |
| 313 | + |
| 314 | + @Override |
| 315 | + public Mono<UpdateGroupResponse> update(UpdateGroupRequest request) { |
| 316 | + return this.groupsDelegate |
| 317 | + .update(request) |
| 318 | + .transformDeferred(RateLimiterOperator.of(rateLimiter)); |
| 319 | + } |
| 320 | + } |
| 321 | +} |
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