From c6c8b6418c61163dbb6f9d30610f0a7b71bb6cfb Mon Sep 17 00:00:00 2001
From: Chris Troutner <chris.troutner@gmail.com>
Date: Sun, 4 Feb 2024 20:35:22 -0800
Subject: [PATCH] Prototyping download REST API

---
 src/controllers/rest-api/ipfs/controller.js | 13 +++++++++++++
 src/controllers/rest-api/ipfs/index.js      |  1 +
 2 files changed, 14 insertions(+)

diff --git a/src/controllers/rest-api/ipfs/controller.js b/src/controllers/rest-api/ipfs/controller.js
index 2294a02..f39b9a9 100644
--- a/src/controllers/rest-api/ipfs/controller.js
+++ b/src/controllers/rest-api/ipfs/controller.js
@@ -31,6 +31,7 @@ class IpfsRESTControllerLib {
     this.handleError = this.handleError.bind(this)
     this.connect = this.connect.bind(this)
     this.getThisNode = this.getThisNode.bind(this)
+    this.downloadFile = this.downloadFile.bind(this)
   }
 
   /**
@@ -123,6 +124,18 @@ class IpfsRESTControllerLib {
     }
   }
 
+  async downloadFile(ctx) {
+    try {
+      const {cid} = ctx.params
+
+      const file = await this.adapters.ipfs.ipfs.blockstore.get(cid)
+      return file
+    } catch(err) {
+      wlogger.error('Error in ipfs/controller.js/downloadFile(): ', err)
+      this.handleError(ctx, err)
+    }
+  }
+
   // DRY error handler
   handleError (ctx, err) {
     // If an HTTP status is specified by the buisiness logic, use that.
diff --git a/src/controllers/rest-api/ipfs/index.js b/src/controllers/rest-api/ipfs/index.js
index d787f73..f0ef47d 100644
--- a/src/controllers/rest-api/ipfs/index.js
+++ b/src/controllers/rest-api/ipfs/index.js
@@ -56,6 +56,7 @@ class IpfsRouter {
     this.router.post('/relays', this.ipfsRESTController.getRelays)
     this.router.post('/connect', this.ipfsRESTController.connect)
     this.router.get('/node', this.ipfsRESTController.getThisNode)
+    this.router.get('/download/:cid', this.ipfsRESTController.downloadFile)
 
     // Attach the Controller routes to the Koa app.
     app.use(this.router.routes())