feat: add s5 support

package-lock.json

@@ -17,6 +17,7 @@
                 "@lumeweb/kernel-ipfs-client": "^0.1.0-develop.25",
                 "@lumeweb/kernel-network-registry-client": "^0.1.0-develop.10",
                 "@lumeweb/kernel-peer-discovery-client": "^0.0.2-develop.18",
+                "@lumeweb/kernel-s5-client": "^0.1.0-develop.5",
                 "@lumeweb/kernel-swarm-client": "^0.1.0-develop.12",
                 "@lumeweb/libresolver": "^0.1.0-develop.1",
                 "@lumeweb/sdk": "^0.1.0-develop.44",
@@ -2504,6 +2505,14 @@
                 "hyperswarm": "^4.3.7"
             }
         },
+        "node_modules/@lumeweb/kernel-s5-client": {
+            "version": "0.1.0-develop.5",
+            "resolved": "https://registry.npmjs.org/@lumeweb/kernel-s5-client/-/kernel-s5-client-0.1.0-develop.5.tgz",
+            "integrity": "sha512-3yjq8F6JiLaY8ymtaVm/9uR0AtO9IHl/fOUmJyT2XCT+kbz0LJYZgMv0UMddnz/RHXiRMKRbIXxHhz2aEOw8kg==",
+            "dependencies": {
+                "@lumeweb/libkernel": "0.1.0-develop.68"
+            }
+        },
         "node_modules/@lumeweb/kernel-swarm-client": {
             "version": "0.1.0-develop.12",
             "resolved": "https://registry.npmjs.org/@lumeweb/kernel-swarm-client/-/kernel-swarm-client-0.1.0-develop.12.tgz",

package.json

@@ -21,6 +21,7 @@
         "@lumeweb/kernel-ipfs-client": "^0.1.0-develop.25",
         "@lumeweb/kernel-network-registry-client": "^0.1.0-develop.10",
         "@lumeweb/kernel-peer-discovery-client": "^0.0.2-develop.18",
+        "@lumeweb/kernel-s5-client": "^0.1.0-develop.5",
         "@lumeweb/kernel-swarm-client": "^0.1.0-develop.12",
         "@lumeweb/libresolver": "^0.1.0-develop.1",
         "@lumeweb/sdk": "^0.1.0-develop.44",

src/backend/providers/s5.ts

@@ -0,0 +1,79 @@
+import type { ContentProvider } from "../types.js";
+import * as nodePath from "path";
+import { s5Client } from "@/clients.ts";
+
+export default class IPFSProvider implements ContentProvider {
+  private _client = s5Client;
+
+  async fetchContent(
+    uri: string,
+    path: string,
+    query?: string,
+  ): Promise<Response> {
+    let cid = translatePath(uri);
+    let err;
+    let urlPath = path;
+    const parsedPath = nodePath.parse(urlPath);
+
+    if (!cid.startsWith("/s5/") && cid.startsWith("/sia/")) {
+      err = "404";
+    }
+
+    if (err) {
+      throw new Error(err);
+    }
+
+    cid = cid.replace("/s5/", "").replace("/sia/", "");
+
+    let file;
+
+    try {
+      const meta = await this._client.stat(cid);
+      if (meta.type !== "web_app") {
+        throw new Error("404");
+      }
+
+      if (!parsedPath.base.length || !parsedPath.ext.length) {
+        let found = false;
+        for (const indexFile of meta.tryFiles) {
+          urlPath = nodePath.join(urlPath, indexFile);
+          if (urlPath in meta.paths) {
+            found = true;
+            break;
+          }
+        }
+
+        if (!found) {
+          throw new Error("404");
+        }
+        file = meta.paths[urlPath];
+      } else {
+        if (!(urlPath in meta.paths)) {
+          throw new Error("404");
+        }
+      }
+    } catch (e) {
+      throw new Error(err);
+    }
+
+    const headers: HeadersInit = {};
+
+    headers["Content-Type"] = file.contentType as string;
+
+    return new Response(
+      new Blob([(await this._client.cat(cid)) as Uint8Array]),
+      {
+        headers,
+      },
+    );
+  }
+
+  supports(uri: string): boolean {
+    uri = translatePath(uri);
+    return uri.startsWith("/s5/") || uri.startsWith("/sia/");
+  }
+}
+
+function translatePath(uri: string) {
+  return uri.replace(/:\/\//, "/").replace(/^/, "/");
+}

src/clients.ts

@@ -5,6 +5,7 @@ import { createClient as createPeerDiscoveryClient } from "@lumeweb/kernel-peer-
 import { createClient as createNetworkRegistryClient } from "@lumeweb/kernel-network-registry-client";
 import { createClient as createHandshakeClient } from "@lumeweb/kernel-handshake-client";
 import { createClient as createEthClient } from "@lumeweb/kernel-eth-client";
+import { createClient as createS5Client } from "@lumeweb/kernel-s5-client";
 
 const dnsClient = createDnsClient();
 const ipfsClient = createIpfsClient();
@@ -13,6 +14,7 @@ const peerDiscoveryClient = createPeerDiscoveryClient();
 const networkRegistryClient = createNetworkRegistryClient();
 const handshakeClient = createHandshakeClient();
 const ethClient = createEthClient();
+const s5Client = createS5Client();
 
 export {
   dnsClient,
@@ -22,4 +24,5 @@ export {
   networkRegistryClient,
   handshakeClient,
   ethClient,
+  s5Client,
 };