improvements to generating URIs and some template tweaks, minor tidying

Java/Spring/activitypubbot/src/main/java/dev/activitypub/activitypubbot/Bot.java

@@ -76,7 +76,15 @@ public class Bot {
 
     Bot() {
     }
-    Bot( String username, String name, String summary, Instant published, KeyPair keyPair, String type, boolean manuallyApproveFollowers, boolean indexable ) {
+    Bot(
+            String username,
+            String name,
+            String summary,
+            Instant published,
+            KeyPair keyPair,
+            String type,
+            boolean manuallyApproveFollowers,
+            boolean indexable ) {
         this.username = username;
         this.name = name;
         this.summary = summary;
@@ -86,5 +94,6 @@ public class Bot {
         this.manuallyApproveFollowers = manuallyApproveFollowers;
         this.indexable = indexable;
     }
+
 }
 

Java/Spring/activitypubbot/src/main/java/dev/activitypub/activitypubbot/BotService.java

@@ -4,6 +4,7 @@ import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.util.UriComponentsBuilder;
 import java.util.List;
 
 /**
@@ -35,36 +36,73 @@ public class BotService {
     }
 
 
-    // whilst the URI structure of the below are up to the implementor we're using Mastodon as a reference
+    // whilst the URI structure of the below are up to the implementer we're using Mastodon as a reference
 
-    // TODO: perhaps these could just be templated elsewhere... or part of a separat JSON generator
+    // TODO: I've fiddled around loads with where to house/generate the values
+    // from the calls below, they have ended up here mainly as this is where it
+    // is cleanest to access the configuration properties.
+    //
+    // Opinion in material I've read seems very firm that knowledge of
+    // "configuration" should not exist at Entity level so I have not made them
+    // members of the Bot class. I've toyed with the idea of them simply all
+    // being kept as database values and generated on creation... and in some
+    // ways that is simply cleaner and thus still has an appeal to it. I just
+    // also feel uncomfortable about having a load of "derived data" in the
+    // database, even though there is also a efficiency argument. Perhaps the
+    // combination of both efficiency + design-readability should win it. (In
+    // which case this code could well just stay here to be used at creation.)
 
     /**
-     * Generate the users URI
+     * Generate the webfinger subject
      */
-    private String getUsersURI() {
+    public String getWebfingerSubject(Bot bot) {
-        return props.getScheme() + "://" + props.getDomain() + "/users/";
+        return "acct:" + bot.getUsername() + "@" + props.getDomain();
+    }
+
+    /**
+     * Generate the webfinger subject
+     */
+    public String getHandle(Bot bot) {
+        return "@" + bot.getUsername() + "@" + props.getDomain();
+    }
+
+    /**
+     * Generate the base users URI
+     */
+    private UriComponentsBuilder getUsersURI() {
+        return UriComponentsBuilder.newInstance()
+            .scheme(props.getScheme())
+            .host(props.getDomain())
+            .pathSegment("users");
     }
 
     /**
      * The "id" of a bot (user/actor) is a URI combining domain and username: https://<domain>/users/<username>
      */
     public String getId(Bot bot) {
-        return getUsersURI() + bot.getUsername();
+        return getUsersURI()
+                .pathSegment(bot.getUsername())
+                .toUriString();
     }
 
     /**
      * The "inbox" of a user is a URI of the form: https://<domain>/users/<username>/inbox
      */
     public String getInbox(Bot bot) {
-        return getUsersURI() + bot.getUsername() + "/inbox";
+        return getUsersURI()
+                .pathSegment(bot.getUsername())
+                .pathSegment("inbox")
+                .toUriString();
     }
 
     /**
      * The "outbox" of a user is a URI of the form: https://<domain>/users/<username>/outbox
      */
     public String getOutbox(Bot bot) {
-        return getUsersURI() + bot.getUsername() + "/outbox";
+        return getUsersURI()
+                .pathSegment(bot.getUsername())
+                .pathSegment("outbox")
+                .toUriString();
     }
 
     public Bot save(Bot bot) {

Java/Spring/activitypubbot/src/main/java/dev/activitypub/activitypubbot/RestHandler.java

@@ -65,14 +65,17 @@ public class RestHandler {
             //return new ResponseEntity<>("These are not the droids you are looking for.", HttpStatus.NOT_FOUND);
         }
 
-        // TODO: So here's a whole other way of generating custom JSON as compared to the BotAPActorJSONSerializer approach
+        // TODO: So here's a whole other way of generating custom JSON as
+        // compared to the BotAPActorJSONSerializer approach, should perhaps
+        // settle on one style of doing it (if we're going to do it either way
+        // in the end.)
         Map<String, Object> response = Map.of(
-                "subject", bot.getUsername() + "@springbot.seth.id.au",
+                "subject", botServ.getWebfingerSubject( bot ),
                 "links", List.of(
                     Map.of(
                         "rel", "self",
                         "type", "application/activity+json",
-                        "href", "https://springbot.seth.id.au/users/" + bot.getUsername()
+                        "href", botServ.getId( bot )
                         )
                     )
                 );

Java/Spring/activitypubbot/src/main/resources/application.properties

@@ -6,6 +6,9 @@ logging.file.name=logs/springbot.log
 logging.file.path=logs
 spring.output.ansi.enabled=ALWAYS
 logging.level.org.springframework.web.filter.CommonsRequestLoggingFilter=DEBUG
+server.tomcat.basedir=logs
+server.tomcat.accesslog.enabled=true
+server.tomcat.accesslog.pattern=%t %a "%r" %s (%D ms)
 
 spring.mvc.view.prefix: /WEB-INF/views/
 spring.mvc.view.suffix: .jsp

Java/Spring/activitypubbot/src/main/resources/templates/listbots.html

@@ -3,25 +3,21 @@
 <head>
 <meta charset="ISO-8859-1">
 <title>List Bot</title>
-<style type="text/css">
+    .main {
-    span {
+        text-align: center;
-        display: inline-block;
-        width: 200px;
-        text-align: left;
     }
 </style>
 </head>
 <body>
-<div align="center">
+<div class="main">
     <h2>Pick-a-Bot!</h2>
-    <ul th:if="${bots.empty}">
+    <th:block th:if="${bots.empty}">
-        <li>No Bots!</li>
+        <h3>No Bots!</h3>
-    </ul>
-    <th:block th:each="bot : ${bots}">
-        <span>Bot:</span>
-        <span><a th:href="@{/viewbot/} + ${bot.username}">[[${bot.username}]]</a></span>
-        <br>
     </th:block>
+    <th:block th:each="bot : ${bots}">
+        <a th:href="@{/viewbot/} + ${bot.username}">[[${@botService.getHandle(bot)}]]</a><br>
+    </th:block>
+    <br>
     <br>
     <a href="/">HOME</a>
 </div>

Java/Spring/activitypubbot/src/main/resources/templates/viewbot.html

@@ -4,24 +4,33 @@
 <meta charset="ISO-8859-1">
 <title>View Bot</title>
 <style type="text/css">
+    .main {
+        text-align: center;
+    }
     span {
         display: inline-block;
-        width: 200px;
+        width: 40em;
         text-align: left;
         margin-bottom: 0.5em;
     }
+    span.left {
+        text-align: right;
+        margin-right: 1em;
+    }
 </style>
 </head>
 <body>
-<div align="center">
+<div class="main">
     <h2>Bot:</h2>
-    <span>Username:</span><span th:text="${bot.username}"></span><br/>
+    <span class="left">Username:</span><span th:text="${bot.username}"></span><br/>
-    <span>Id:</span><span th:text="'@' + ${bot.username} + '@springbot.seth.id.au'"></span><br/>
+    <span class="left">Id:</span><span th:text="${@botService.getHandle(bot)}"></span><br/>
-    <span>Display Name:</span><span th:text="${bot.name}"></span><br/>
+    <span class="left">Display Name:</span><span th:text="${bot.name}"></span><br/>
-    <span>Description:</span><span th:text="${bot.summary}"></span><br/>
+    <span class="left">Description:</span><span th:text="${bot.summary}"></span><br/>
-    <span>Published:</span><span th:text="${bot.published}"></span><br/>
+    <span class="left">Published:</span><span th:text="${bot.published}"></span><br/>
-    <span>Type:</span><span th:text="${bot.type}"></span><br/>
+    <span class="left">Type:</span><span th:text="${bot.type}"></span><br/>
-    <span>Public Key:</span><pre th:text="${bot.getPublicKeyPEMString()}"></pre><br/>
+    <span class="left">Public Key:</span><span></span>
+    <pre th:text="${bot.getPublicKeyPEMString()}"></pre>
+    <br>
     <br>
     <a href="/">HOME</a> |
     <a href="/viewbot">Bot List</a>