[feature] add authorization to the already-existing authentication (#365)

* add ensureUserIsAuthorizedOrRedirect to /oauth/authorize

* adding authorization (email confirm, account approve, etc) to TokenCheck

* revert un-needed changes to signin.go

* oops what happened here

* error css

* add account.SuspendedAt check

* remove redundant checks from oauth util Authed function

* wip tests

* tests passing

* stop stripping useful information from ErrAlreadyExists

* that feeling of scraping the dryer LINT off the screen

* oops I didn't mean to get rid of this NewTestRouter function

* make tests work with recorder

* re-add ConfigureTemplatesWithGin to handle template path err

Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>

web/template/authorize.tmpl

@@ -2,7 +2,13 @@
     <main>
         <form action="/oauth/authorize" method="POST">
             <h1>Hi {{.user}}!</h1>
-            <p>Application <b>{{.appname}}</b> {{if len .appwebsite | eq 0 | not}}({{.appwebsite}}) {{end}}would like to perform actions on your behalf, with scope <em>{{.scope}}</em>.</p>
+            <p>
+              Application <b>{{.appname}}</b> 
+              {{if len .appwebsite | eq 0 | not}}
+                ({{.appwebsite}}) 
+              {{end}}
+              would like to perform actions on your behalf, with scope <em>{{.scope}}</em>.
+            </p>
             <p>The application will redirect to {{.redirect}} to continue.</p>
             <p>
                 <button

web/template/error.tmpl

@@ -0,0 +1,8 @@
+{{ template "header.tmpl" .}}
+    <main>
+        <section class="error">
+          <span>❌</span> <pre>{{.error}}</pre>
+        </section>
+        
+    </main>
+{{ template "footer.tmpl" .}}