From 12e2206f9d24b29c8276b2743603635620643444 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 18 Jan 2023 20:39:41 +0300
Subject: RestTemplate -> OkHttpClient

---
 .../java/com/juick/service/WebfingerService.java   | 82 +++++++++++++---------
 1 file changed, 49 insertions(+), 33 deletions(-)

(limited to 'src/main/java/com/juick/service/WebfingerService.java')

diff --git a/src/main/java/com/juick/service/WebfingerService.java b/src/main/java/com/juick/service/WebfingerService.java
index dc978763..ca49bd51 100644
--- a/src/main/java/com/juick/service/WebfingerService.java
+++ b/src/main/java/com/juick/service/WebfingerService.java
@@ -1,57 +1,73 @@
-package com.juick.service;
+/*
+ * Copyright (C) 2008-2023, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
-import java.net.URI;
-import java.util.Collections;
-
-import javax.inject.Inject;
+package com.juick.service;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.juick.www.api.webfinger.Resource;
+import com.juick.www.api.webfinger.model.Account;
+import com.juick.www.api.webfinger.model.Link;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.http.HttpEntity;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpMethod;
-import org.springframework.http.MediaType;
-import org.springframework.http.ResponseEntity;
+import org.springframework.http.*;
 import org.springframework.stereotype.Component;
 import org.springframework.web.client.RestClientException;
-import org.springframework.web.client.RestTemplate;
 import org.springframework.web.util.UriComponentsBuilder;
-
-import com.juick.www.api.webfinger.model.Account;
-import com.juick.www.api.webfinger.model.Link;
-
 import rocks.xmpp.addr.Jid;
 
+import javax.inject.Inject;
+import java.io.IOException;
+import java.net.URI;
+import java.util.Collections;
+
 @Component
 public class WebfingerService {
     private static final Logger logger = LoggerFactory.getLogger("ActivityPub");
-
-    private final RestTemplate restClient;
+    private final OkHttpClient httpClient;
+    private final ObjectMapper jsonMapper;
     @Inject
-    public WebfingerService(final RestTemplate restClient) {
-        this.restClient = restClient;
+    public WebfingerService(final OkHttpClient httpClient, final ObjectMapper jsonMapper) {
+        this.httpClient = httpClient;
+        this.jsonMapper = jsonMapper;
     }
     public URI discoverAccountURI(String acct, MediaType linkType) {
         Jid acctId = Jid.of(acct);
-        URI resourceUri = UriComponentsBuilder.fromPath("/.well-known/webfinger").host(acctId.getDomain())
-                .scheme("https").queryParam("resource", "acct:" + acct).build().toUri();
-        HttpHeaders headers = new HttpHeaders();
-        headers.setAccept(Collections.singletonList(MediaType.valueOf("application/jrd+json")));
-        HttpEntity<Void> webfingerRequest = new HttpEntity<>(headers);
+        var resourceUri = UriComponentsBuilder.fromPath("/.well-known/webfinger").host(acctId.getDomain())
+                .scheme("https").queryParam("resource", "acct:" + acct).build().toUriString();
+        var request = new Request.Builder()
+                .url(resourceUri)
+                .addHeader(HttpHeaders.ACCEPT, Resource.MEDIA_TYPE)
+                .build();
         try {
-            ResponseEntity<Account> response = restClient.exchange(resourceUri, HttpMethod.GET, webfingerRequest,
-                    Account.class);
-            if (response.getStatusCode().is2xxSuccessful()) {
-                var account = response.getBody();
-                for (Link l : account.links()) {
-                    if (l.rel().equals("self") && l.type().equals(linkType.toString())) {
-                        return URI.create(l.href());
+            try(var response = httpClient.newCall(request).execute()) {
+                if (response.isSuccessful() && response.body() != null) {
+                    var account = jsonMapper.readValue(response.body().string(), Account.class);
+                    for (Link l : account.links()) {
+                        if (l.rel().equals("self") && l.type().equals(linkType.toString())) {
+                            return URI.create(l.href());
+                        }
                     }
                 }
             }
-        } catch (RestClientException e) {
-            logger.warn("Cannot discover person {}: {}", acct, e.getMessage());
+        } catch (IOException e) {
+            return URI.create(StringUtils.EMPTY);
         }
         return URI.create(StringUtils.EMPTY);
     }
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