RED-4515 - Swagger multitenancy

persistence-service-v1/persistence-service-external-api-impl-v1/src/main/java/com/iqser/red/persistence/service/v1/external/api/impl/swagger/SwaggerAutoConfiguration.java

@@ -50,10 +50,7 @@ public class SwaggerAutoConfiguration {
     private static final String DESCRIPTION = "Description for redaction";
     private static final String VERSION = "1.0";
     private static final String OAUTH_NAME = "RED-OAUTH";
-    private static final String PROTOCOL_URL_FORMAT = "/auth/realms/%s/protocol/openid-connect";
-
-    @Autowired
-    private KeycloakSpringBootProperties keycloakProperties;
+    private static final String PROTOCOL_URL_FORMAT = "/auth/realms/<tenantId>/protocol/openid-connect";
 
 
     @Bean
@@ -128,9 +125,7 @@ public class SwaggerAutoConfiguration {
 
     private OAuthFlow createAuthorizationCodeFlow() {
 
-        var protocolUrl = String.format(PROTOCOL_URL_FORMAT, keycloakProperties.getRealm());
-
-        return new OAuthFlow().authorizationUrl(protocolUrl + "/auth").tokenUrl(protocolUrl + "/token");
+        return new OAuthFlow().authorizationUrl(PROTOCOL_URL_FORMAT + "/auth").tokenUrl(PROTOCOL_URL_FORMAT + "/token");
     }
 
 }

persistence-service-v1/persistence-service-external-api-impl-v1/src/main/java/com/iqser/red/persistence/service/v1/external/api/impl/swagger/SwaggerCustomDocsController.java

@@ -0,0 +1,54 @@
+package com.iqser.red.persistence.service.v1.external.api.impl.swagger;
+
+import java.util.Locale;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.springdoc.webmvc.api.OpenApiWebMvcResource;
+import org.springdoc.webmvc.ui.SwaggerConfigResource;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.iqser.red.service.persistence.service.v1.api.external.resource.ExternalApi;
+
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.RequiredArgsConstructor;
+import lombok.SneakyThrows;
+
+@RestController
+@RequiredArgsConstructor
+public class SwaggerCustomDocsController {
+
+    private final OpenApiWebMvcResource openApiWebMvcResource;
+
+    private final SwaggerConfigResource swaggerConfigResource;
+
+    @Value("${springdoc.api-docs.path:#{T(org.springdoc.core.Constants).DEFAULT_API_DOCS_URL}}")
+    private String apiDocsUrl;
+
+
+    @SneakyThrows
+    @Operation(hidden = true)
+    @GetMapping(ExternalApi.BASE_PATH + "/docs/tenant")
+    public String getDocs(HttpServletRequest request, @RequestParam(value = "tenantId", required = false, defaultValue = "redaction") String tenantId) {
+
+        var response = openApiWebMvcResource.openapiJson(request, apiDocsUrl, Locale.getDefault());
+        return response.replace("<tenantId>", tenantId);
+
+    }
+
+
+    @Operation(hidden = true)
+    @GetMapping(value = "/redaction-gateway-v1/docs/swagger-config", produces = MediaType.APPLICATION_JSON_VALUE)
+    public Map<String, Object> getSwaggerUiConfig(HttpServletRequest request) {
+
+        var map = swaggerConfigResource.openapiJson(request);
+        map.put("url", apiDocsUrl);
+        return map;
+    }
+
+}

persistence-service-v1/persistence-service-external-api-impl-v1/src/main/java/com/iqser/red/persistence/service/v1/external/api/impl/swagger/SwaggerTenantMvcConfigurer.java

@@ -0,0 +1,46 @@
+package com.iqser.red.persistence.service.v1.external.api.impl.swagger;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+import com.iqser.red.service.persistence.service.v1.api.external.resource.ExternalApi;
+
+@Configuration
+@EnableWebMvc
+public class SwaggerTenantMvcConfigurer implements WebMvcConfigurer {
+
+    @Value("${springdoc.api-docs.path:#{T(org.springdoc.core.Constants).DEFAULT_API_DOCS_URL}}")
+    private String path;
+
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+
+        registry.addInterceptor(new DocsInterceptor()).addPathPatterns(path.substring(0,path.indexOf("?")));
+    }
+
+
+    public static class DocsInterceptor implements HandlerInterceptor {
+
+        @Override
+        public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+
+            var query = "";
+            if (!StringUtils.isBlank(request.getQueryString())) {
+                query = "?" + request.getQueryString();
+            }
+            response.sendRedirect(ExternalApi.BASE_PATH + "/docs/tenant" + query);
+            return false;
+        }
+
+    }
+
+}

persistence-service-v1/persistence-service-server-v1/src/main/resources/application.yml

@@ -157,8 +157,9 @@ springdoc:
       client-id: swagger-ui-client
     doc-expansion: none
     enabled: ${swagger.enabled}
+    config-url: /redaction-gateway-v1/docs/swagger-config
   api-docs:
-    path: /redaction-gateway-v1/docs
+    path: /redaction-gateway-v1/docs?tenantId=redaction
     enabled: ${swagger.enabled}
   pre-loading-enabled: true
   packages-to-scan: ['com.iqser.red.persistence.service.v1.external.api']