ICS reading auth token from file

[nonrtric.git] / information-coordinator-service / src / main / java / org / oransc / ics / clients / AsyncRestClient.java

diff --git a/information-coordinator-service/src/main/java/org/oransc/ics/clients/AsyncRestClient.java b/information-coordinator-service/src/main/java/org/oransc/ics/clients/AsyncRestClient.java
index 1de7437..2879092 100644 (file)
--- a/information-coordinator-service/src/main/java/org/oransc/ics/clients/AsyncRestClient.java
+++ b/information-coordinator-service/src/main/java/org/oransc/ics/clients/AsyncRestClient.java
@@ -35,10 +35,10 @@ import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.http.client.reactive.ReactorClientHttpConnector;
 import org.springframework.lang.Nullable;
+import org.springframework.web.reactive.function.client.ExchangeFilterFunction;
 import org.springframework.web.reactive.function.client.ExchangeStrategies;
 import org.springframework.web.reactive.function.client.WebClient;
 import org.springframework.web.reactive.function.client.WebClient.RequestHeadersSpec;
-import org.springframework.web.reactive.function.client.WebClientResponseException;
 
 import reactor.core.publisher.Mono;
 import reactor.netty.http.client.HttpClient;
@@ -55,17 +55,17 @@ public class AsyncRestClient {
     private static final AtomicInteger sequenceNumber = new AtomicInteger();
     private final SslContext sslContext;
     private final HttpProxyConfig httpProxyConfig;
+    private final SecurityContext securityContext;
 
-    public AsyncRestClient(String baseUrl, @Nullable SslContext sslContext, @Nullable HttpProxyConfig httpProxyConfig) {
+    public AsyncRestClient(String baseUrl, @Nullable SslContext sslContext, @Nullable HttpProxyConfig httpProxyConfig,
+        SecurityContext securityContext) {
         this.baseUrl = baseUrl;
         this.sslContext = sslContext;
         this.httpProxyConfig = httpProxyConfig;
+        this.securityContext = securityContext;
     }
 
     public Mono<ResponseEntity<String>> postForEntity(String uri, @Nullable String body) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} POST uri = '{}{}''", traceTag, baseUrl, uri);
-        logger.trace("{} POST body: {}", traceTag, body);
         Mono<String> bodyProducer = body != null ? Mono.just(body) : Mono.empty();
 
         RequestHeadersSpec<?> request = getWebClient() //
@@ -73,7 +73,7 @@ public class AsyncRestClient {
             .uri(uri) //
             .contentType(MediaType.APPLICATION_JSON) //
             .body(bodyProducer, String.class);
-        return retrieve(traceTag, request);
+        return retrieve(request);
     }
 
     public Mono<String> post(String uri, @Nullable String body) {
@@ -82,41 +82,30 @@ public class AsyncRestClient {
     }
 
     public Mono<String> postWithAuthHeader(String uri, String body, String username, String password) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} POST (auth) uri = '{}{}''", traceTag, baseUrl, uri);
-        logger.trace("{} POST body: {}", traceTag, body);
-
         RequestHeadersSpec<?> request = getWebClient() //
             .post() //
             .uri(uri) //
             .headers(headers -> headers.setBasicAuth(username, password)) //
             .contentType(MediaType.APPLICATION_JSON) //
             .bodyValue(body);
-        return retrieve(traceTag, request) //
+        return retrieve(request) //
             .map(this::toBody);
     }
 
     public Mono<ResponseEntity<String>> putForEntity(String uri, String body) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} PUT uri = '{}{}''", traceTag, baseUrl, uri);
-        logger.trace("{} PUT body: {}", traceTag, body);
-
         RequestHeadersSpec<?> request = getWebClient() //
             .put() //
             .uri(uri) //
             .contentType(MediaType.APPLICATION_JSON) //
             .bodyValue(body);
-        return retrieve(traceTag, request);
+        return retrieve(request);
     }
 
     public Mono<ResponseEntity<String>> putForEntity(String uri) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} PUT uri = '{}{}''", traceTag, baseUrl, uri);
-        logger.trace("{} PUT body: <empty>", traceTag);
         RequestHeadersSpec<?> request = getWebClient() //
             .put() //
             .uri(uri);
-        return retrieve(traceTag, request);
+        return retrieve(request);
     }
 
     public Mono<String> put(String uri, String body) {
@@ -125,10 +114,8 @@ public class AsyncRestClient {
     }
 
     public Mono<ResponseEntity<String>> getForEntity(String uri) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} GET uri = '{}{}''", traceTag, baseUrl, uri);
         RequestHeadersSpec<?> request = getWebClient().get().uri(uri);
-        return retrieve(traceTag, request);
+        return retrieve(request);
     }
 
     public Mono<String> get(String uri) {
@@ -137,10 +124,8 @@ public class AsyncRestClient {
     }
 
     public Mono<ResponseEntity<String>> deleteForEntity(String uri) {
-        Object traceTag = createTraceTag();
-        logger.debug("{} DELETE uri = '{}{}''", traceTag, baseUrl, uri);
         RequestHeadersSpec<?> request = getWebClient().delete().uri(uri);
-        return retrieve(traceTag, request);
+        return retrieve(request);
     }
 
     public Mono<String> delete(String uri) {
@@ -148,32 +133,18 @@ public class AsyncRestClient {
             .map(this::toBody);
     }
 
-    private Mono<ResponseEntity<String>> retrieve(Object traceTag, RequestHeadersSpec<?> request) {
-        final Class<String> clazz = String.class;
+    private Mono<ResponseEntity<String>> retrieve(RequestHeadersSpec<?> request) {
+        if (securityContext.isConfigured()) {
+            request.headers(h -> h.setBearerAuth(securityContext.getBearerAuthToken()));
+        }
         return request.retrieve() //
-            .toEntity(clazz) //
-            .doOnNext(entity -> logReceivedData(traceTag, entity)) //
-            .doOnError(throwable -> onHttpError(traceTag, throwable));
-    }
-
-    private void logReceivedData(Object traceTag, ResponseEntity<String> entity) {
-        logger.trace("{} Received: {} {}", traceTag, entity.getBody(), entity.getHeaders().getContentType());
+            .toEntity(String.class);
     }
 
     private static Object createTraceTag() {
         return sequenceNumber.incrementAndGet();
     }
 
-    private void onHttpError(Object traceTag, Throwable t) {
-        if (t instanceof WebClientResponseException) {
-            WebClientResponseException exception = (WebClientResponseException) t;
-            logger.debug("{} HTTP error status = '{}', body '{}'", traceTag, exception.getStatusCode(),
-                exception.getResponseBodyAsString());
-        } else {
-            logger.debug("{} HTTP error {}", traceTag, t.getMessage());
-        }
-    }
-
     private String toBody(ResponseEntity<String> entity) {
         if (entity.getBody() == null) {
             return "";
@@ -206,15 +177,30 @@ public class AsyncRestClient {
         return httpClient;
     }
 
-    private WebClient buildWebClient(String baseUrl) {
+    public WebClient buildWebClient(String baseUrl) {
+        Object traceTag = createTraceTag();
+
         final HttpClient httpClient = buildHttpClient();
         ExchangeStrategies exchangeStrategies = ExchangeStrategies.builder() //
             .codecs(configurer -> configurer.defaultCodecs().maxInMemorySize(-1)) //
             .build();
+
+        ExchangeFilterFunction reqLogger = ExchangeFilterFunction.ofRequestProcessor(req -> {
+            logger.debug("{} {} uri = '{}''", traceTag, req.method(), req.url());
+            return Mono.just(req);
+        });
+
+        ExchangeFilterFunction respLogger = ExchangeFilterFunction.ofResponseProcessor(resp -> {
+            logger.debug("{} resp: {}", traceTag, resp.statusCode());
+            return Mono.just(resp);
+        });
+
         return WebClient.builder() //
             .clientConnector(new ReactorClientHttpConnector(httpClient)) //
             .baseUrl(baseUrl) //
             .exchangeStrategies(exchangeStrategies) //
+            .filter(reqLogger) //
+            .filter(respLogger) //
             .build();
     }