Add a nostr.build uploader

fixtures/nostrbuild-gif.json

@@ -0,0 +1,34 @@
+{
+  "status": "success",
+  "message": "Upload successful.",
+  "data": [
+    {
+      "input_name": "APIv2",
+      "name": "e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3.gif",
+      "sha256": "0a71f1c9dd982079bc52e96403368209cbf9507c5f6956134686f56e684b6377",
+      "original_sha256": "e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3",
+      "type": "picture",
+      "mime": "image/gif",
+      "size": 1796276,
+      "blurhash": "LGH-S^Vwm]x]04kX-qR-R]SL5FxZ",
+      "dimensions": {
+        "width": 360,
+        "height": 216
+      },
+      "dimensionsString": "360x216",
+      "url": "https://image.nostr.build/e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3.gif",
+      "thumbnail": "https://image.nostr.build/thumb/e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3.gif",
+      "responsive": {
+        "240p": "https://image.nostr.build/resp/240p/e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3.gif",
+        "360p": "https://image.nostr.build/resp/360p/e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3.gif",
+        "480p": "https://image.nostr.build/resp/480p/e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3.gif",
+        "720p": "https://image.nostr.build/resp/720p/e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3.gif",
+        "1080p": "https://image.nostr.build/resp/1080p/e5f6e0e380536780efa774e8d3c8a5a040e3f9f99dbb48910b261c32872ee3a3.gif"
+      },
+      "metadata": {
+        "date:create": "2024-05-18T02:11:39+00:00",
+        "date:modify": "2024-05-18T02:11:39+00:00"
+      }
+    }
+  ]
+}

fixtures/nostrbuild-mp3.json

@@ -0,0 +1,29 @@
+{
+  "status": "success",
+  "message": "Upload successful.",
+  "data": [
+    {
+      "id": 0,
+      "input_name": "APIv2",
+      "name": "f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725.mp3",
+      "url": "https://media.nostr.build/av/f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725.mp3",
+      "thumbnail": "https://media.nostr.build/av/f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725.mp3",
+      "responsive": {
+        "240p": "https://media.nostr.build/av/f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725.mp3",
+        "360p": "https://media.nostr.build/av/f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725.mp3",
+        "480p": "https://media.nostr.build/av/f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725.mp3",
+        "720p": "https://media.nostr.build/av/f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725.mp3",
+        "1080p": "https://media.nostr.build/av/f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725.mp3"
+      },
+      "blurhash": "",
+      "sha256": "f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725",
+      "original_sha256": "f94665e6877741feb3fa3031342f95ae2ee00caae1cc651ce31ed6d524e05725",
+      "type": "video",
+      "mime": "audio/mpeg",
+      "size": 1519616,
+      "metadata": [],
+      "dimensions": [],
+      "dimensionsString": "0x0"
+    }
+  ]
+}

src/config.ts

@@ -136,6 +136,10 @@ class Conf {
       return Deno.env.get('IPFS_API_URL') || 'http://localhost:5001';
     },
   };
+  /** nostr.build API endpoint when the `nostrbuild` uploader is used. */
+  static get nostrbuildEndpoint(): string {
+    return Deno.env.get('NOSTRBUILD_ENDPOINT') || 'https://nostr.build/api/v2/upload/files';
+  }
   /** Module to upload files with. */
   static get uploader() {
     return Deno.env.get('DITTO_UPLOADER');

src/schemas/nostrbuild.ts

@@ -0,0 +1,18 @@
+import { z } from 'zod';
+
+export const nostrbuildFileSchema = z.object({
+  name: z.string(),
+  url: z.string().url(),
+  thumbnail: z.string(),
+  blurhash: z.string(),
+  sha256: z.string(),
+  mime: z.string(),
+  dimensions: z.object({
+    width: z.number(),
+    height: z.number(),
+  }),
+});
+
+export const nostrbuildSchema = z.object({
+  data: nostrbuildFileSchema.array().min(1),
+});

src/upload.ts

@@ -16,7 +16,7 @@ async function uploadFile(file: File, meta: FileMeta, signal?: AbortSignal): Pro
     throw new Error('File size is too large.');
   }
 
-  const { url, sha256, cid } = await uploader.upload(file, { signal });
+  const { url, sha256, cid, blurhash } = await uploader.upload(file, { signal });
 
   const data: string[][] = [
     ['url', url],
@@ -32,6 +32,10 @@ async function uploadFile(file: File, meta: FileMeta, signal?: AbortSignal): Pro
     data.push(['cid', cid]);
   }
 
+  if (blurhash) {
+    data.push(['blurhash', blurhash]);
+  }
+
   if (description) {
     data.push(['alt', description]);
   }

src/uploaders/config.ts

@@ -2,6 +2,7 @@ import { Conf } from '@/config.ts';
 
 import { ipfsUploader } from '@/uploaders/ipfs.ts';
 import { localUploader } from '@/uploaders/local.ts';
+import { nostrbuildUploader } from '@/uploaders/nostrbuild.ts';
 import { s3Uploader } from '@/uploaders/s3.ts';
 
 import type { Uploader } from './types.ts';
@@ -25,6 +26,8 @@ function uploader() {
       return ipfsUploader;
     case 'local':
       return localUploader;
+    case 'nostrbuild':
+      return nostrbuildUploader;
     default:
       throw new Error('No `DITTO_UPLOADER` configured. Uploads are disabled.');
   }

src/uploaders/nostrbuild.ts

@@ -0,0 +1,33 @@
+import { Conf } from '@/config.ts';
+import { nostrbuildSchema } from '@/schemas/nostrbuild.ts';
+
+import type { Uploader } from './types.ts';
+
+/** nostr.build uploader. */
+export const nostrbuildUploader: Uploader = {
+  async upload(file) {
+    const formData = new FormData();
+    formData.append('fileToUpload', file);
+
+    const response = await fetch(Conf.nostrbuildEndpoint, {
+      method: 'POST',
+      body: formData,
+    });
+
+    const json = await response.json();
+    console.log(JSON.stringify(json));
+
+    const [data] = nostrbuildSchema.parse(json).data;
+
+    return {
+      id: data.url,
+      sha256: data.sha256,
+      url: data.url,
+      blurhash: data.blurhash,
+    };
+  },
+  // deno-lint-ignore require-await
+  async delete(): Promise<void> {
+    return;
+  },
+};

src/uploaders/types.ts

@@ -14,6 +14,8 @@ interface UploadResult {
   url: string;
   /** SHA-256 hash of the file. */
   sha256?: string;
+  /** Blurhash of the file. */
+  blurhash?: string;
   /** IPFS CID of the file. */
   cid?: string;
 }