Merge branch 'alpha' of github.com:packagelabs/freshmint into alpha

package.json

@@ -50,6 +50,7 @@
     "inquirer": "^8.2.2",
     "js-yaml": "^4.1.0",
     "nft.storage": "^3.3.0",
+    "node-fetch": "^2.6.7",
     "ora": "^5.4.1",
     "pouchdb": "^7.2.2",
     "pouchdb-find": "^7.2.2",

src/cli/processors/IPFSFileProcessor.ts

@@ -1,5 +1,6 @@
 import * as path from 'path';
 import * as fs from 'fs/promises';
+import fetch from 'node-fetch';
 import IPFS from '../ipfs';
 import { metadata } from '../../lib';
 import { FieldProcessor } from '.';
@@ -16,20 +17,43 @@ export default class IPFSFileProcessor implements FieldProcessor {
   }
 
   async process(value: metadata.MetadataValue): Promise<metadata.MetadataValue> {
-    const filename = value as string;
+    const data = await this.#readFile(value as string);
 
-    const fullPath = `${this.#nftAssetPath}/${filename}`;
+    const cid = await this.#ipfs.pin(data);
+
+    return cid;
+  }
+
+  async #readFile(value: string): Promise<Buffer> {
+    if (isURL(value)) {
+      return this.#readRemoteFile(value);
+    }
 
-    let data: Buffer;
+    return this.#readLocalFile(value);
+  }
+
+  async #readLocalFile(filename: string): Promise<Buffer> {
+    const fullPath = `${this.#nftAssetPath}/${filename}`;
 
     try {
-      data = await fs.readFile(path.resolve(process.cwd(), fullPath));
+      return await fs.readFile(path.resolve(process.cwd(), fullPath));
     } catch (e) {
-      throw new Error(`Failed to mint token, failed to read asset file at ${fullPath}`);
+      throw new Error(`Failed to read asset file at ${fullPath}`);
     }
+  }
 
-    const cid = await this.#ipfs.pin(data);
+  async #readRemoteFile(url: string): Promise<Buffer> {
+    const response = await fetch(url);
+    const arrayBuffer = await response.arrayBuffer();
+    return Buffer.from(arrayBuffer);
+  }
+}
 
-    return cid;
+function isURL(value: string): boolean {
+  try {
+    new URL(value);
+    return true;
+  } catch {
+    return false;
   }
 }