add support for encrypting text files from web

Cargo.lock

@@ -33,17 +33,6 @@ version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb07d2053ccdbe10e2af2995a2f116c1330396493dc1269f6a91d0ae82e19704"
 
-[[package]]
-name = "argon2"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25df3c03f1040d0069fcd3907e24e36d59f9b6fa07ba49be0eb25a794f036ba7"
-dependencies = [
- "base64ct",
- "blake2",
- "password-hash 0.3.2",
-]
-
 [[package]]
 name = "argon2"
 version = "0.4.1"
@@ -52,7 +41,7 @@ checksum = "db4ce4441f99dbd377ca8a8f57b698c44d0d6e712d8329b5040da5a64aa1ce73"
 dependencies = [
  "base64ct",
  "blake2",
- "password-hash 0.4.2",
+ "password-hash",
 ]
 
 [[package]]
@@ -998,7 +987,7 @@ dependencies = [
  "anyhow",
  "atty",
  "clap",
- "omegaupload-common 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "omegaupload-common",
  "reqwest",
  "rpassword",
 ]
@@ -1007,7 +996,7 @@ dependencies = [
 name = "omegaupload-common"
 version = "0.2.0"
 dependencies = [
- "argon2 0.4.1",
+ "argon2",
  "base64",
  "bytes",
  "chacha20poly1305",
@@ -1025,27 +1014,6 @@ dependencies = [
  "url",
 ]
 
-[[package]]
-name = "omegaupload-common"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b0e6112dcb442b5d280f65cf14b9d6749f3585709d1ed2f1b8821f12c3b6c16"
-dependencies = [
- "argon2 0.3.4",
- "base64",
- "bytes",
- "chacha20poly1305",
- "chrono",
- "headers",
- "lazy_static",
- "rand",
- "secrecy",
- "serde",
- "thiserror",
- "typenum",
- "url",
-]
-
 [[package]]
 name = "omegaupload-server"
 version = "0.1.0"
@@ -1058,7 +1026,7 @@ dependencies = [
  "futures",
  "headers",
  "lazy_static",
- "omegaupload-common 0.2.0",
+ "omegaupload-common",
  "rand",
  "rocksdb",
  "serde",
@@ -1084,7 +1052,7 @@ dependencies = [
  "http",
  "js-sys",
  "mime_guess",
- "omegaupload-common 0.2.0",
+ "omegaupload-common",
  "reqwasm",
  "serde",
  "tar",
@@ -1113,17 +1081,6 @@ version = "6.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "21326818e99cfe6ce1e524c2a805c189a99b5ae555a35d19f9a284b427d86afa"
 
-[[package]]
-name = "password-hash"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d791538a6dcc1e7cb7fe6f6b58aca40e7f79403c45b2bc274008b5e647af1d8"
-dependencies = [
- "base64ct",
- "rand_core",
- "subtle",
-]
-
 [[package]]
 name = "password-hash"
 version = "0.4.2"

cli/Cargo.toml

@@ -9,8 +9,7 @@ license = "GPL-3.0-or-later"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-omegaupload-common = "0.2.0"
-
+omegaupload-common = { path = "../common" }
 anyhow = "1.0.58"
 atty = "0.2.14"
 clap = { version = "3.2.8", features = ["derive"] }

cli/src/main.rs

@@ -25,6 +25,7 @@ use atty::Stream;
 use clap::Parser;
 use omegaupload_common::crypto::{open_in_place, seal_in_place};
 use omegaupload_common::secrecy::{ExposeSecret, SecretString, SecretVec};
+use omegaupload_common::fragment::Builder;
 use omegaupload_common::{
     base64, Expiration, ParsedUrl, Url, API_ENDPOINT, EXPIRATION_HEADER_NAME,
 };
@@ -33,10 +34,6 @@ use reqwest::header::EXPIRES;
 use reqwest::StatusCode;
 use rpassword::prompt_password;
 
-use crate::fragment::Builder;
-
-mod fragment;
-
 #[derive(Parser)]
 struct Opts {
     #[clap(subcommand)]

common/src/fragment.rs

@@ -1,4 +1,4 @@
-use omegaupload_common::secrecy::{ExposeSecret, SecretString};
+use crate::secrecy::{ExposeSecret, SecretString};
 
 pub struct Builder {
     decryption_key: SecretString,

common/src/lib.rs

@@ -41,6 +41,7 @@ use crate::crypto::Key;
 
 pub mod base64;
 pub mod crypto;
+pub mod fragment;
 
 pub const API_ENDPOINT: &str = "/api";
 

package.json

@@ -17,7 +17,8 @@
     "highlight.js": "^11.4.0",
     "highlightjs-line-numbers.js": "^2.8.0",
     "react": "^17.0.2",
-    "react-dom": "^17.0.2"
+    "react-dom": "^17.0.2",
+    "source-map-loader": "^4.0.0"
   },
   "scripts": {
     "build": "webpack --mode production",

web/src/lib.rs

@@ -26,8 +26,11 @@ use http::uri::PathAndQuery;
 use http::{StatusCode, Uri};
 use js_sys::{Array, JsString, Object, Uint8Array};
 use omegaupload_common::crypto::{Error as CryptoError, Key};
-use omegaupload_common::secrecy::{Secret, SecretVec};
-use omegaupload_common::{Expiration, PartialParsedUrl};
+use omegaupload_common::fragment::Builder;
+use omegaupload_common::base64;
+use omegaupload_common::crypto::seal_in_place;
+use omegaupload_common::secrecy::{Secret, SecretVec, SecretString, ExposeSecret};
+use omegaupload_common::{Expiration, PartialParsedUrl, Url};
 use reqwasm::http::Request;
 use wasm_bindgen::prelude::{wasm_bindgen, Closure};
 use wasm_bindgen::{JsCast, JsValue};
@@ -50,6 +53,8 @@ extern "C" {
     pub fn load_from_db(mime_type: JsString, name: Option<JsString>, language: Option<JsString>);
     #[wasm_bindgen(js_name = renderMessage)]
     pub fn render_message(message: JsString);
+    #[wasm_bindgen(js_name = createUploadUi)]
+    pub fn create_upload_ui();
 }
 
 fn window() -> Window {
@@ -75,7 +80,7 @@ pub fn start() {
     std::panic::set_hook(Box::new(console_error_panic_hook::hook));
 
     if location().pathname().unwrap() == "/" {
-        render_message("Go away".into());
+        create_upload_ui();
         return;
     }
 
@@ -166,6 +171,39 @@ pub fn start() {
     });
 }
 
+#[wasm_bindgen]
+#[allow(clippy::future_not_send)]
+#[allow(clippy::missing_panics_doc)]
+pub fn encrypt_string(data: String) {
+    spawn_local(async move {
+        if let Err(e) = do_encrypt(data.into_bytes()).await {
+            log!(e.to_string());
+        }
+    });
+}
+
+#[allow(clippy::future_not_send)]
+async fn do_encrypt(mut data: Vec<u8>) -> Result<()> {
+    let (data, key) = {
+        let enc_key = seal_in_place(&mut data, None)?;
+        let key = SecretString::new(base64::encode(&enc_key.expose_secret().as_ref()));
+        (data, key)
+    };
+
+    let s: String = location().to_string().into();
+    let mut url = Url::from_str(&s)?;
+    let fragment = Builder::new(key);
+
+    let js_data = Uint8Array::new_with_length(data.len() as u32);
+    js_data.copy_from(&data);
+
+    let short_code = Request::post(url.as_ref()).body(js_data).send().await?.text().await?;
+    url.set_path(&short_code);
+    url.set_fragment(Some(fragment.build().expose_secret()));
+    location().set_href(url.as_ref()).expect("Unable to navigate to encrypted upload");
+    Ok(())
+}
+
 #[allow(clippy::future_not_send)]
 async fn fetch_resources(
     request_uri: Uri,

web/src/main.scss

@@ -95,6 +95,14 @@ img, audio, video {
   max-width: 75vw;
 }
 
+textarea {
+  width: 100%;
+  height: 100%;
+  min-width: 75vw;
+  min-height: 75vh;
+  box-sizing: border-box;
+}
+
 .primary {
   @extend .hljs;
 }
@@ -108,4 +116,4 @@ img, audio, video {
     @extend .align-right;
     padding-left: $padding;
   }
-}
+}

web/src/render.tsx

@@ -17,11 +17,56 @@
 import './main.scss';
 import ReactDom from 'react-dom';
 import React from 'react';
+import { encrypt_string } from '../pkg';
 
 const hljs = require('highlight.js');
 (window as any).hljs = hljs;
 require('highlightjs-line-numbers.js');
 
+class PasteForm extends React.Component {
+  constructor(props) {
+    super(props)
+    this.state = {
+      value: "Sample text"
+    };
+    this.handleChange = this.handleChange.bind(this);
+    this.handleSubmit = this.handleSubmit.bind(this);
+  }
+
+  handleChange(event) {
+    this.setState({value: event.target.value});
+  }
+
+  handleSubmit(event) {
+    try {
+      encrypt_string(this.state.value);
+    } catch (e) {
+      console.error(e);
+    }
+
+    event.preventDefault();
+  }
+
+  render() {
+    return (
+      <pre className='paste'>
+        <form class="hljs centered" onSubmit={this.handleSubmit}>
+          <textarea value={this.state.value} onChange={this.handleChange} />
+          <input type="submit" value="submit" />
+        </form>
+      </pre>
+    );
+  }
+}
+
+function createUploadUi() {
+  const html = <main className='hljs centered fullscreen'>
+    <PasteForm />
+  </main>;
+
+  ReactDom.render(html, document.body);
+}
+
 function loadFromDb(mimeType: string, name?: string, language?: string) {
   let resolvedName;
   if (name) {
@@ -287,4 +332,4 @@ function getObjectUrl(data, mimeType?: string) {
 
 window.addEventListener("hashchange", () => location.reload());
 
-export { renderMessage, loadFromDb };
+export { renderMessage, createUploadUi, loadFromDb };

webpack.config.js

@@ -2,6 +2,7 @@ const path = require('path');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const webpack = require('webpack');
 const WasmPackPlugin = require("@wasm-tool/wasm-pack-plugin");
+const { SourceMapDevToolPlugin } = require('webpack');
 
 module.exports = {
   entry: './web/src/index.js',
@@ -21,6 +22,8 @@ module.exports = {
           "css-loader",
           // Compiles Sass to CSS
           "sass-loader",
+          // source map for debugging
+          "source-map-loader"
         ],
       },
     ],
@@ -41,6 +44,7 @@ module.exports = {
       crateDirectory: path.resolve(__dirname, "web"),
       outDir: path.resolve(__dirname, "web/pkg"),
     }),
+    new SourceMapDevToolPlugin({}),
   ],
   experiments: {
     asyncWebAssembly: true,