1 files changed, 50 insertions, 0 deletions
diff --git a/bridges/SubstackBridge.php b/bridges/SubstackBridge.php
new file mode 100644
index 00000000..13eea02e
--- /dev/null
+++ b/bridges/SubstackBridge.php
@@ -0,0 +1,50 @@
+<?php
+
+class SubstackBridge extends FeedExpander
+{
+    const MAINTAINER = 'sqrtminusone';
+    const NAME = 'Substack Bridge';
+    const URI = 'https://substack.com/';
+    const CACHE_TIMEOUT = 3600; //1hour
+    const DESCRIPTION = 'Access Substack. Add full content for paywalled posts if you have a session cookie with an active subscription.';
+
+    const CONFIGURATION = [
+        'sid' => [
+            'required' => false,
+        ]
+    ];
+
+    const PARAMETERS = [
+        '' => [
+            'url' => [
+                'name' => 'Substack RSS URL',
+                'required' => true,
+                'type' => 'text',
+                'defaultValue' => 'https://newsletter.pragmaticengineer.com/feed',
+                'title' => 'Usually https://<blog-url>/feed'
+            ]
+        ]
+    ];
+
+    public function collectData()
+    {
+        $headers = [];
+        if ($this->getOption('sid')) {
+            $url_parsed = parse_url($this->getInput('url'));
+            $authority = $url_parsed['host'];
+            $cookies = [
+                'ab_experiment_sampled=%22false%22',
+                'substack.sid=' . $this->getOption('sid'),
+                'substack.lli=1',
+                'intro_popup_last_hidden_at=' . (new DateTime())->format('Y-m-d\TH:i:s.v\Z')
+            ];
+            $headers = [
+                'Authority: ' . $authority,
+                'Cache-Control: max-age=0',
+                'User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36',
+                'Cookie: ' . implode('; ', $cookies)
+            ];
+        }
+        $this->collectExpandableDatas($this->getInput('url'), -1, $headers);
+    }
+}