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@@ -0,0 +1,59 @@
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+<?php
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+
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+namespace App\Services;
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+
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+use Zttp\Zttp;
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+use App\Profile;
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+use App\Util\ActivityPub\Helpers;
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+use App\Util\ActivityPub\HttpSignature;
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+
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+class ActivityPubFetchService
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+{
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+ public $signed = true;
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+ public $actor;
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+ public $url;
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+ public $headers = [
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+ 'Accept' => 'application/activity+json, application/json',
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+ 'User-Agent' => 'PixelfedBot - https://pixelfed.org'
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+ ];
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+
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+ public static function queue()
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+ {
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+ return new self;
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+ }
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+
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+ public function signed($signed = true)
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+ {
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+ $this->signed = $signed;
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+ return $this;
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+ }
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+
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+ public function actor($profile)
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+ {
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+ $this->actor = $profile;
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+ return $this;
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+ }
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+
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+ public function url($url)
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+ {
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+ if(!Helpers::validateUrl($url)) {
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+ throw new \Exception('Invalid URL');
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+ }
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+ $this->url = $url;
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+ return $this;
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+ }
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+
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+ public function get()
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+ {
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+ if($this->signed == true && $this->actor == null) {
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+ throw new \Exception('Cannot sign request without actor');
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+ }
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+ return $this->signedRequest();
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+ }
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+
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+ protected function signedRequest()
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+ {
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+ $this->headers = HttpSignature::sign($this->actor, $this->url, false, $this->headers);
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+ return Zttp::withHeaders($this->headers)->get($this->url)->body();
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+ }
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+}
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