ucan-wg · fabricedesre · Aug 23, 2022 · Aug 25, 2022 · Aug 25, 2022
@@ -1,61 +1,65 @@
 [package]
-name = "ucan-key-support"
-description = "Ready to use SigningKey implementations for the ucan crate"
-edition = "2021"
-keywords = ["ucan", "authz", "jwt", "pki"]
 categories = [
   "authorization",
   "cryptography",
   "encoding",
-  "web-programming"
+  "web-programming",
 ]
+description = "Ready to use SigningKey implementations for the ucan crate"
 documentation = "https://docs.rs/ucan"
-repository = "https://github.com/cdata/rs-ucan/"
+edition = "2021"
 homepage = "https://github.com/cdata/rs-ucan"
+keywords = ["ucan", "authz", "jwt", "pki"]
 license = "Apache-2.0"
+name = "ucan-key-support"
 readme = "README.md"
+repository = "https://github.com/cdata/rs-ucan/"
 version = "0.4.0-alpha.1"
 
+[lib]
+crate-type = ["cdylib", "rlib"]
+
 [features]
 default = []
 web = ["wasm-bindgen", "wasm-bindgen-futures", "js-sys", "web-sys", "ucan/web", "getrandom/js"]
 
 [dependencies]
-ucan = {path = "../ucan", version = "0.6.0-alpha.1" }
 anyhow = "1.0.52"
 async-trait = "0.1.52"
+bs58 = "0.4"
 ed25519-zebra = "^3"
+log = "0.4"
 rsa = "0.6"
 sha2 = "0.10"
-bs58 = "0.4"
-log = "0.4"
+ucan = {path = "../ucan", version = "0.6.0-alpha.1"}
 
 [build-dependencies]
 npm_rs = "0.2.1"
 
 [dev-dependencies]
 rand = "0.8"
 # NOTE: This is needed so that rand can be included in WASM builds
-getrandom = { version = "0.2.5", features = ["js"] }
+getrandom = {version = "0.2.5", features = ["js"]}
+tokio = {version = "^1", features = ["macros", "rt"]}
 wasm-bindgen-test = "0.3"
-tokio = { version = "^1", features = ["macros", "rt"] }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-wasm-bindgen = { version = "0.2", optional = true }
-wasm-bindgen-futures = { version = "0.4", optional = true }
-js-sys = { version = "0.3", optional = true }
+js-sys = {version = "0.3", optional = true}
+wasm-bindgen = {version = "0.2", features = ["serde-serialize"], optional = true}
+wasm-bindgen-futures = {version = "0.4", optional = true}
+wee_alloc = {version = "0.4"}
 
 [target.'cfg(target_arch="wasm32")'.dependencies.web-sys]
-version = "0.3"
-optional = true
 features = [
   'Window',
   'SubtleCrypto',
   'Crypto',
   'CryptoKey',
   'CryptoKeyPair',
-  'DedicatedWorkerGlobalScope'
+  'DedicatedWorkerGlobalScope',
 ]
+optional = true
+version = "0.3"
 
 [target.'cfg(target_arch="wasm32")'.dev-dependencies]
-pollster = "0.2.5"
+pollster = "0.2.5"
@@ -0,0 +1 @@
+static/
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+cargo build --release --target="wasm32-unknown-unknown" --features=web
+
+wasm-bindgen \
+    --target web \
+    --out-dir static \
+    ../../target/wasm32-unknown-unknown/release/ucan_key_support.wasm
@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>UCANs on the Web - Powered by rs-ucan</title>
+    <meta content="text/html;charset=utf-8" http-equiv="Content-Type" />
+    <script type="module">
+      import {
+        WebCryptoRsaKeyMaterial as KeyMaterial,
+        WasmUcanBuilder as UcanBuilder,
+        WasmUcan as Ucan,
+        default as ucanInit,
+      } from "../static/ucan_key_support.js";
+
+      function log_(msg, kind) {
+        let container = document.getElementById("log");
+        let node = document.createElement("div");
+        node.classList.add(kind);
+        node.textContent = msg;
+        container.append(node);
+      }
+
+      function log(msg) {
+        log_(msg, "log");
+      }
+
+      function error(msg) {
+        log_(msg, "error");
+      }
+
+      async function runTest() {
+        document.getElementById("log").innerHTML = "";
+        let aliceKey = await KeyMaterial.generate(2048);
+        let did = await aliceKey.getDid();
+        log(`Alice's DID url: ${did}`);
+        log(`JWT algorithm: ${aliceKey.jwtAlgorithm()}`);
+
+        let data = new TextEncoder().encode("Hello World!");
+        let signature = await aliceKey.sign(data);
+        try {
+          await aliceKey.verify(data, signature);
+          log(`Signature successfully verified`);
+        } catch (e) {
+          error(`Signature verification failed: ${e}`);
+        }
+
+        let bobKey = await KeyMaterial.generate(2048);
+
+        let builder = new UcanBuilder()
+          .issuedBy(aliceKey)
+          .forAudience(bobKey)
+          .withLifetime(60n);
+        let signable = builder.build();
+        let ucan = await signable.sign();
+        let encoded = ucan.encode();
+
+        log(`Encoded ucan: ${encoded}`);
+
+        let decodedUcan = Ucan.fromToken(encoded);
+        log(`Decoded ucan validity: ${await decodedUcan.validate()}`);
+        log(`Too early? ${decodedUcan.isTooEarly()}`);
+      }
+
+      document.addEventListener("DOMContentLoaded", async () => {
+        document.getElementById("run-test").addEventListener("click", runTest);
+
+        await ucanInit();
+      });
+    </script>
+    <style>
+      div.error {
+        color: red;
+      }
+    </style>
+  </head>
+  <body>
+    <button id="run-test">Run Test</button>
+    <pre id="log"></pre>
+  </body>
+</html>
@@ -4,5 +4,9 @@ extern crate log;
 #[cfg(all(target_arch = "wasm32", feature = "web"))]
 pub mod web_crypto;
 
+#[cfg(all(target_arch = "wasm32", feature = "web"))]
+#[global_allocator]
+static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
+
 pub mod ed25519;
 pub mod rsa;
@@ -1,11 +1,9 @@
 use anyhow::{anyhow, Result};
 use async_trait::async_trait;
 
-use rsa::{
-    Hash, PaddingScheme, PublicKey, RsaPrivateKey, RsaPublicKey,
-};
-use rsa::pkcs1::{DecodeRsaPublicKey, EncodeRsaPublicKey};
 use rsa::pkcs1::der::{Document, Encodable};
+use rsa::pkcs1::{DecodeRsaPublicKey, EncodeRsaPublicKey};
+use rsa::{Hash, PaddingScheme, PublicKey, RsaPrivateKey, RsaPublicKey};
 
 use sha2::{Digest, Sha256};
 use ucan::crypto::KeyMaterial;