add lookup (by uri) route

1 files changed, 42 insertions, 0 deletions

diff --git a/routes/lookup.php b/routes/lookup.php
new file mode 100644
index 0000000..e0a790e
--- /dev/null
+++ b/routes/lookup.php
@@ -0,0 +1,42 @@
+<?php
+
+use Digitigrade\HttpResponseStatus\BadRequest;
+use Digitigrade\HttpResponseStatus\NotFound;
+use Digitigrade\HttpResponseStatus\TemporaryRedirect;
+use Digitigrade\Model\Actor;
+use Digitigrade\Model\Note;
+use Digitigrade\Router;
+
+Router::getInstance()->mount('/lookup', function (array $args) {
+    if (!isset($_GET['uri'])) {
+        throw new BadRequest('please provide a `uri` query parameter');
+    }
+    $uri = $_GET['uri'];
+    if (!str_starts_with($uri, 'https://')) {
+        throw new BadRequest('dodgy looking uri');
+    }
+
+    // try looking it up as a note
+    try {
+        $object = Note::findByUri($uri);
+    } catch (\Throwable $ignored) {
+    }
+
+    // then as an actor
+    if (!isset($object)) {
+        try {
+            $object = Actor::findByUri($uri);
+        } catch (\Throwable $ignored) {
+        }
+    }
+
+    if (!isset($object)) {
+        throw new NotFound("i can't find any object with that uri, sorry!");
+    }
+
+    if ($object instanceof Note) {
+        throw new TemporaryRedirect('/@/' . $object->author->getFullHandle() . "/note/$object->id");
+    } elseif ($object instanceof Actor) {
+        throw new TemporaryRedirect('/@/' . $object->getFullHandle());
+    }
+});
\ No newline at end of file