From 8e68d13ff15ac5744a341a2d022ef8383085d0eb Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Wed, 15 May 2024 18:49:08 -0500
Subject: [PATCH] Let custom policy be configured with DITTO_POLICY

---
 src/config.ts   | 4 ++++
 src/pipeline.ts | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/config.ts b/src/config.ts
index 09437361..92bbdc3e 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -219,6 +219,10 @@ class Conf {
   static get firehoseEnabled(): boolean {
     return optionalBooleanSchema.parse(Deno.env.get('FIREHOSE_ENABLED')) ?? true;
   }
+  /** Path to the custom policy module. Supports any value Deno's `import()` accepts, including relative path, absolute path, https:, npm:, and jsr:. */
+  static get policy(): string {
+    return Deno.env.get('DITTO_POLICY') || new URL('../data/policy.ts', import.meta.url).toString();
+  }
 }
 
 const optionalBooleanSchema = z
diff --git a/src/pipeline.ts b/src/pipeline.ts
index ec14179f..83e39239 100644
--- a/src/pipeline.ts
+++ b/src/pipeline.ts
@@ -60,7 +60,7 @@ async function policyFilter(event: NostrEvent): Promise<void> {
   ];
 
   try {
-    const CustomPolicy = (await import('../data/policy.ts')).default;
+    const CustomPolicy = (await import(Conf.policy)).default;
     policies.push(new CustomPolicy());
   } catch (_e) {
     debug('policy not found - https://docs.soapbox.pub/ditto/policies/');