github-advanced-security[bot] commented on code in PR #7811: URL: https://github.com/apache/shenyu/pull/7811#discussion_r4306480507
########## shenyu-spring-boot-starter/shenyu-spring-boot-starter-plugin/shenyu-spring-boot-starter-plugin-agent-gateway/src/test/java/org/apache/shenyu/springboot/starter/plugin/agent/gateway/JwtAgentMcpHttpTest.java: ########## @@ -0,0 +1,241 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.shenyu.springboot.starter.plugin.agent.gateway; + +import com.google.gson.JsonObject; +import com.google.gson.JsonParser; +import com.nimbusds.jose.jwk.source.ImmutableSecret; +import org.apache.shenyu.common.dto.AgentGatewayMcpConfig; +import org.apache.shenyu.plugin.agent.gateway.AgentTrafficContext; +import org.apache.shenyu.plugin.agent.gateway.protocol.AgentMcpDispatcher; +import org.apache.shenyu.plugin.agent.gateway.protocol.AgentMcpExecutionContext; +import org.apache.shenyu.plugin.agent.gateway.protocol.AgentMcpHttpHandler; +import org.apache.shenyu.plugin.agent.gateway.tool.AgentToolProvider; +import org.apache.shenyu.plugin.agent.gateway.tool.AgentToolRegistry; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.ValueSource; +import org.springframework.http.server.reactive.ReactorHttpHandlerAdapter; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.oauth2.jose.jws.MacAlgorithm; +import org.springframework.security.oauth2.jwt.JwtClaimsSet; +import org.springframework.security.oauth2.jwt.JwtEncoderParameters; +import org.springframework.security.oauth2.jwt.JwtValidators; +import org.springframework.security.oauth2.jwt.JwsHeader; +import org.springframework.security.oauth2.jwt.NimbusJwtEncoder; +import org.springframework.security.oauth2.jwt.NimbusReactiveJwtDecoder; +import org.springframework.security.web.server.WebFilterChainProxy; +import org.springframework.test.web.reactive.server.WebTestClient; +import org.springframework.web.reactive.function.client.WebClient; +import org.springframework.web.server.adapter.WebHttpHandlerBuilder; +import reactor.core.publisher.Flux; +import reactor.core.publisher.Mono; +import reactor.netty.DisposableServer; +import reactor.netty.http.server.HttpServer; +import reactor.netty.resources.LoopResources; + +import javax.crypto.spec.SecretKeySpec; +import java.nio.charset.StandardCharsets; +import java.time.Duration; +import java.time.Instant; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.concurrent.atomic.AtomicInteger; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +/** + * Real loopback HTTP and signature verification, not a preinstalled identity fixture. + */ +class JwtAgentMcpHttpTest { + + private static final String ISSUER = "https://issuer.example";; + + private static final byte[] KEY = "jwt-mcp-test-only-key-never-use-in-production".getBytes(StandardCharsets.UTF_8); + + @ParameterizedTest + @ValueSource(strings = {"json", "sse"}) + void signedJwtControlsListingAndCallingWithDenyPrecedence(final String mode) { + try (Fixture fixture = new Fixture(mode, null)) { + String allowed = token(Map.of("tenant_id", "tenant-a", "tool_grants", List.of("read")), KEY, ISSUER); + String denied = token(Map.of("tenant_id", "tenant-a", "tool_grants", List.of("read"), "tool_denies", List.of("read")), KEY, ISSUER); + fixture.request(allowed, "tools/list").exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"name\":\"read\""))); + fixture.request(denied, "tools/list").exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"tools\":[]"))); + fixture.request(denied, "tools/call").exchange().expectStatus().isForbidden(); + assertEquals(0, fixture.calls.get()); + fixture.request(allowed, "tools/call").exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"tenant\":\"tenant-a\""))); + assertEquals(1, fixture.calls.get()); + } + } + + @ParameterizedTest + @ValueSource(strings = {"json", "sse"}) + void missingForgedExpiredWrongIssuerAndWrongAudienceNeverReachTool(final String mode) { + try (Fixture fixture = new Fixture(mode, "explicit-default")) { + fixture.request(null, "tools/call").header("X-Tenant-Id", "forged").header("X-Agent-Subject", "agent") + .exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("tool_grants", List.of("read")), "another-untrusted-test-key-at-least-32-bytes".getBytes(StandardCharsets.UTF_8), ISSUER), + "tools/call").exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("tool_grants", List.of("read")), KEY, "https://untrusted.example";), "tools/call") + .exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("aud", List.of("other"), "tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("exp", Instant.now().minusSeconds(120), "tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("tenant_id", "", "tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isUnauthorized(); + assertEquals(0, fixture.calls.get()); + fixture.request(token(Map.of("tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"tenant\":\"explicit-default\""))); + } + } + + @ParameterizedTest + @ValueSource(strings = {"json", "sse"}) + void ruleIntersectionAndMissingTenantCannotBeBypassed(final String mode) { + try (Fixture fixture = new Fixture(mode, null)) { + fixture.request(token(Map.of("tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isUnauthorized(); + assertEquals(0, fixture.calls.get()); + } + try (Fixture fixture = new Fixture(mode, null, "[]")) { + String allowed = token(Map.of("tenant_id", "tenant-a", "tool_grants", List.of("read")), KEY, ISSUER); + fixture.request(allowed, "tools/list").exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"tools\":[]"))); + fixture.request(allowed, "tools/call").exchange().expectStatus().isForbidden(); + assertEquals(0, fixture.calls.get()); + } + } + + @ParameterizedTest + @ValueSource(strings = {"json", "sse"}) + void concurrentSameRpcIdsKeepTenantAndSubjectBoundToTheirRequest(final String mode) { + try (Fixture fixture = new Fixture(mode, null)) { + WebClient client = WebClient.create(fixture.url); + Flux.range(0, 32).flatMap(index -> { + String tenant = "tenant-" + index; + String jwt = token(Map.of("sub", "agent-" + index, "tenant_id", tenant, "tool_grants", List.of("read")), KEY, ISSUER); + return client.post().uri("/").headers(headers -> { + headers.setBearerAuth(jwt); + headers.set("Content-Type", "application/json"); + headers.set("Accept", "application/json, text/event-stream"); + headers.set("MCP-Protocol-Version", "2026-07-28"); + headers.set("Mcp-Method", "tools/call"); + headers.set("Mcp-Name", "read"); + }).bodyValue(body("tools/call")).retrieve().bodyToMono(String.class) + .doOnNext(result -> { + assertTrue(result.contains("\"tenant\":\"" + tenant + "\"")); + assertTrue(result.contains("\"subject\":\"agent-" + index + "\"")); + }); + }, 32).collectList().block(Duration.ofSeconds(20)); + assertEquals(32, fixture.calls.get()); + } + } + + private String token(final Map<String, Object> claims, final byte[] key, final String issuer) { + Instant now = Instant.now(); + JwtClaimsSet.Builder builder = JwtClaimsSet.builder().issuer(issuer).subject("agent").audience(List.of("mcp")) + .issuedAt(now.minusSeconds(180)).expiresAt(now.plusSeconds(300)); + claims.forEach(builder::claim); + return new NimbusJwtEncoder(new ImmutableSecret<>(key)).encode( + JwtEncoderParameters.from(JwsHeader.with(MacAlgorithm.HS256).build(), builder.build())).getTokenValue(); + } + + private static String body(final String method) { + return "{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"" + method + "\",\"params\":{" + + ("tools/call".equals(method) ? "\"name\":\"read\"," : "") + + "\"_meta\":{\"io.modelcontextprotocol/protocolVersion\":\"2026-07-28\",\"io.modelcontextprotocol/clientCapabilities\":{}}}}"; + } + + private static final class Fixture implements AutoCloseable { + + private final AtomicInteger calls = new AtomicInteger(); + + private final LoopResources loops = LoopResources.create("jwt-mcp-http", 2, true); + + private final DisposableServer server; + + private final WebTestClient client; + + private final String url; + + Fixture(final String mode, final String defaultTenant) { + this(mode, defaultTenant, "[\"read\"]"); + } + + Fixture(final String mode, final String defaultTenant, final String allowedTools) { + AgentToolProvider tool = mock(AgentToolProvider.class); + when(tool.getName()).thenReturn("read"); + when(tool.getDescription()).thenReturn("Read a fixture"); + when(tool.getInputSchema()).thenReturn(JsonParser.parseString("{\"type\":\"object\"}").getAsJsonObject()); + when(tool.getRequiredClientCapabilities()).thenReturn(new JsonObject()); + when(tool.invoke(any())).thenAnswer(ignored -> Mono.deferContextual(context -> Mono.delay(Duration.ofMillis(5)).map(tick -> { + calls.incrementAndGet(); + JsonObject result = new JsonObject(); + result.addProperty("tenant", context.get(AgentMcpExecutionContext.class).getTenant().orElseThrow()); + result.addProperty("subject", context.get(AgentMcpExecutionContext.class).getSubject()); + return result; + }))); + AgentMcpHttpHandler handler = new AgentMcpHttpHandler(new AgentMcpDispatcher(new AgentToolRegistry(List.of(tool)), "fixture", "1"), + new JwtAgentMcpSecurityResolver(ISSUER, "mcp", defaultTenant)); + AgentGatewayMcpConfig config = AgentGatewayMcpConfig.parse(JsonParser.parseString( + "{\"allowedTools\":" + allowedTools + ",\"responseMode\":\"" + mode + "\"}"), true); + NimbusReactiveJwtDecoder decoder = NimbusReactiveJwtDecoder.withSecretKey(new SecretKeySpec(KEY, "HmacSHA256")) + .macAlgorithm(MacAlgorithm.HS256).build(); + decoder.setJwtValidator(JwtValidators.createDefaultWithIssuer(ISSUER)); + var security = ServerHttpSecurity.http().csrf(ServerHttpSecurity.CsrfSpec::disable) Review Comment: ## CodeQL / Disabled Spring CSRF protection CSRF vulnerability due to protection being disabled. [Show more details](https://github.com/apache/shenyu/security/code-scanning/85) ########## shenyu-spring-boot-starter/shenyu-spring-boot-starter-plugin/shenyu-spring-boot-starter-plugin-agent-gateway/src/test/java/org/apache/shenyu/springboot/starter/plugin/agent/gateway/JwtAgentMcpHttpTest.java: ########## @@ -0,0 +1,241 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.shenyu.springboot.starter.plugin.agent.gateway; + +import com.google.gson.JsonObject; +import com.google.gson.JsonParser; +import com.nimbusds.jose.jwk.source.ImmutableSecret; +import org.apache.shenyu.common.dto.AgentGatewayMcpConfig; +import org.apache.shenyu.plugin.agent.gateway.AgentTrafficContext; +import org.apache.shenyu.plugin.agent.gateway.protocol.AgentMcpDispatcher; +import org.apache.shenyu.plugin.agent.gateway.protocol.AgentMcpExecutionContext; +import org.apache.shenyu.plugin.agent.gateway.protocol.AgentMcpHttpHandler; +import org.apache.shenyu.plugin.agent.gateway.tool.AgentToolProvider; +import org.apache.shenyu.plugin.agent.gateway.tool.AgentToolRegistry; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.ValueSource; +import org.springframework.http.server.reactive.ReactorHttpHandlerAdapter; +import org.springframework.security.config.web.server.ServerHttpSecurity; +import org.springframework.security.oauth2.jose.jws.MacAlgorithm; +import org.springframework.security.oauth2.jwt.JwtClaimsSet; +import org.springframework.security.oauth2.jwt.JwtEncoderParameters; +import org.springframework.security.oauth2.jwt.JwtValidators; +import org.springframework.security.oauth2.jwt.JwsHeader; +import org.springframework.security.oauth2.jwt.NimbusJwtEncoder; +import org.springframework.security.oauth2.jwt.NimbusReactiveJwtDecoder; +import org.springframework.security.web.server.WebFilterChainProxy; +import org.springframework.test.web.reactive.server.WebTestClient; +import org.springframework.web.reactive.function.client.WebClient; +import org.springframework.web.server.adapter.WebHttpHandlerBuilder; +import reactor.core.publisher.Flux; +import reactor.core.publisher.Mono; +import reactor.netty.DisposableServer; +import reactor.netty.http.server.HttpServer; +import reactor.netty.resources.LoopResources; + +import javax.crypto.spec.SecretKeySpec; +import java.nio.charset.StandardCharsets; +import java.time.Duration; +import java.time.Instant; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.concurrent.atomic.AtomicInteger; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +/** + * Real loopback HTTP and signature verification, not a preinstalled identity fixture. + */ +class JwtAgentMcpHttpTest { + + private static final String ISSUER = "https://issuer.example";; + + private static final byte[] KEY = "jwt-mcp-test-only-key-never-use-in-production".getBytes(StandardCharsets.UTF_8); + + @ParameterizedTest + @ValueSource(strings = {"json", "sse"}) + void signedJwtControlsListingAndCallingWithDenyPrecedence(final String mode) { + try (Fixture fixture = new Fixture(mode, null)) { + String allowed = token(Map.of("tenant_id", "tenant-a", "tool_grants", List.of("read")), KEY, ISSUER); + String denied = token(Map.of("tenant_id", "tenant-a", "tool_grants", List.of("read"), "tool_denies", List.of("read")), KEY, ISSUER); + fixture.request(allowed, "tools/list").exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"name\":\"read\""))); + fixture.request(denied, "tools/list").exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"tools\":[]"))); + fixture.request(denied, "tools/call").exchange().expectStatus().isForbidden(); + assertEquals(0, fixture.calls.get()); + fixture.request(allowed, "tools/call").exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"tenant\":\"tenant-a\""))); + assertEquals(1, fixture.calls.get()); + } + } + + @ParameterizedTest + @ValueSource(strings = {"json", "sse"}) + void missingForgedExpiredWrongIssuerAndWrongAudienceNeverReachTool(final String mode) { + try (Fixture fixture = new Fixture(mode, "explicit-default")) { + fixture.request(null, "tools/call").header("X-Tenant-Id", "forged").header("X-Agent-Subject", "agent") + .exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("tool_grants", List.of("read")), "another-untrusted-test-key-at-least-32-bytes".getBytes(StandardCharsets.UTF_8), ISSUER), + "tools/call").exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("tool_grants", List.of("read")), KEY, "https://untrusted.example";), "tools/call") + .exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("aud", List.of("other"), "tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("exp", Instant.now().minusSeconds(120), "tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isUnauthorized(); + fixture.request(token(Map.of("tenant_id", "", "tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isUnauthorized(); + assertEquals(0, fixture.calls.get()); + fixture.request(token(Map.of("tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"tenant\":\"explicit-default\""))); + } + } + + @ParameterizedTest + @ValueSource(strings = {"json", "sse"}) + void ruleIntersectionAndMissingTenantCannotBeBypassed(final String mode) { + try (Fixture fixture = new Fixture(mode, null)) { + fixture.request(token(Map.of("tool_grants", List.of("read")), KEY, ISSUER), "tools/call") + .exchange().expectStatus().isUnauthorized(); + assertEquals(0, fixture.calls.get()); + } + try (Fixture fixture = new Fixture(mode, null, "[]")) { + String allowed = token(Map.of("tenant_id", "tenant-a", "tool_grants", List.of("read")), KEY, ISSUER); + fixture.request(allowed, "tools/list").exchange().expectStatus().isOk().expectBody(String.class) + .value(body -> assertTrue(body.contains("\"tools\":[]"))); + fixture.request(allowed, "tools/call").exchange().expectStatus().isForbidden(); + assertEquals(0, fixture.calls.get()); + } + } + + @ParameterizedTest + @ValueSource(strings = {"json", "sse"}) + void concurrentSameRpcIdsKeepTenantAndSubjectBoundToTheirRequest(final String mode) { + try (Fixture fixture = new Fixture(mode, null)) { + WebClient client = WebClient.create(fixture.url); + Flux.range(0, 32).flatMap(index -> { + String tenant = "tenant-" + index; + String jwt = token(Map.of("sub", "agent-" + index, "tenant_id", tenant, "tool_grants", List.of("read")), KEY, ISSUER); + return client.post().uri("/").headers(headers -> { + headers.setBearerAuth(jwt); + headers.set("Content-Type", "application/json"); + headers.set("Accept", "application/json, text/event-stream"); + headers.set("MCP-Protocol-Version", "2026-07-28"); + headers.set("Mcp-Method", "tools/call"); + headers.set("Mcp-Name", "read"); + }).bodyValue(body("tools/call")).retrieve().bodyToMono(String.class) + .doOnNext(result -> { + assertTrue(result.contains("\"tenant\":\"" + tenant + "\"")); + assertTrue(result.contains("\"subject\":\"agent-" + index + "\"")); + }); + }, 32).collectList().block(Duration.ofSeconds(20)); + assertEquals(32, fixture.calls.get()); + } + } + + private String token(final Map<String, Object> claims, final byte[] key, final String issuer) { + Instant now = Instant.now(); + JwtClaimsSet.Builder builder = JwtClaimsSet.builder().issuer(issuer).subject("agent").audience(List.of("mcp")) + .issuedAt(now.minusSeconds(180)).expiresAt(now.plusSeconds(300)); + claims.forEach(builder::claim); + return new NimbusJwtEncoder(new ImmutableSecret<>(key)).encode( + JwtEncoderParameters.from(JwsHeader.with(MacAlgorithm.HS256).build(), builder.build())).getTokenValue(); + } + + private static String body(final String method) { + return "{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"" + method + "\",\"params\":{" + + ("tools/call".equals(method) ? "\"name\":\"read\"," : "") + + "\"_meta\":{\"io.modelcontextprotocol/protocolVersion\":\"2026-07-28\",\"io.modelcontextprotocol/clientCapabilities\":{}}}}"; + } + + private static final class Fixture implements AutoCloseable { + + private final AtomicInteger calls = new AtomicInteger(); + + private final LoopResources loops = LoopResources.create("jwt-mcp-http", 2, true); + + private final DisposableServer server; + + private final WebTestClient client; + + private final String url; + + Fixture(final String mode, final String defaultTenant) { + this(mode, defaultTenant, "[\"read\"]"); + } + + Fixture(final String mode, final String defaultTenant, final String allowedTools) { + AgentToolProvider tool = mock(AgentToolProvider.class); + when(tool.getName()).thenReturn("read"); + when(tool.getDescription()).thenReturn("Read a fixture"); + when(tool.getInputSchema()).thenReturn(JsonParser.parseString("{\"type\":\"object\"}").getAsJsonObject()); + when(tool.getRequiredClientCapabilities()).thenReturn(new JsonObject()); + when(tool.invoke(any())).thenAnswer(ignored -> Mono.deferContextual(context -> Mono.delay(Duration.ofMillis(5)).map(tick -> { + calls.incrementAndGet(); + JsonObject result = new JsonObject(); + result.addProperty("tenant", context.get(AgentMcpExecutionContext.class).getTenant().orElseThrow()); + result.addProperty("subject", context.get(AgentMcpExecutionContext.class).getSubject()); + return result; + }))); + AgentMcpHttpHandler handler = new AgentMcpHttpHandler(new AgentMcpDispatcher(new AgentToolRegistry(List.of(tool)), "fixture", "1"), + new JwtAgentMcpSecurityResolver(ISSUER, "mcp", defaultTenant)); + AgentGatewayMcpConfig config = AgentGatewayMcpConfig.parse(JsonParser.parseString( + "{\"allowedTools\":" + allowedTools + ",\"responseMode\":\"" + mode + "\"}"), true); + NimbusReactiveJwtDecoder decoder = NimbusReactiveJwtDecoder.withSecretKey(new SecretKeySpec(KEY, "HmacSHA256")) + .macAlgorithm(MacAlgorithm.HS256).build(); + decoder.setJwtValidator(JwtValidators.createDefaultWithIssuer(ISSUER)); + var security = ServerHttpSecurity.http().csrf(ServerHttpSecurity.CsrfSpec::disable) Review Comment: ## CodeQL / Disabled Spring CSRF protection CSRF vulnerability due to protection being disabled. [Show more details](https://github.com/apache/shenyu/security/code-scanning/86) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
