From 23b5db16ce09eb8a73b439a604f49fc7018df53c Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Sun, 4 Apr 2021 02:48:06 +0200
Subject: usable interface for encryption (pubkey) and decryption (passphrase)

---
 src/lib.rs | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/lib.rs b/src/lib.rs
index c422e2b..79c0658 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,8 +3,6 @@ mod utils;
 use wasm_bindgen::prelude::*;
 
 use std::io::{Read, Write};
-use std::iter;
-
 
 use age::x25519::Recipient;
 
@@ -17,7 +15,7 @@ use age::x25519::Recipient;
 static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
 
 #[wasm_bindgen]
-extern {
+extern "C" {
     fn alert(s: &str);
 }
 
@@ -26,13 +24,11 @@ pub fn greet() {
     alert("Hello, {{project-name}}!");
 }
 
-
 #[wasm_bindgen]
-pub fn lalala(plaintext : String) -> Option<Vec<u8>> {
-
+pub fn age_encrypt(plaintext: String, key: String) -> Option<Vec<u8>> {
     utils::set_panic_hook();
 
-    let pubkey = "age1m6k5wqnrk63wxhlwtl7s244ngmacn6xph3lxjd3x735f6wm8z4lsysfzg5".parse::<Recipient>().ok()?;
+    let pubkey = key.parse::<Recipient>().ok()?;
 
     let encryptor = age::Encryptor::with_recipients(vec![Box::new(pubkey)]);
 
@@ -45,3 +41,21 @@ pub fn lalala(plaintext : String) -> Option<Vec<u8>> {
 
     Some(encrypted)
 }
+
+#[wasm_bindgen]
+pub fn age_decrypt_passphrase(blob: Vec<u8>, passphrase: String) -> Option<String> {
+    utils::set_panic_hook();
+
+
+    let decryptor = match age::Decryptor::new(&blob[..]).unwrap() {
+        age::Decryptor::Passphrase(d) => d,
+        _ => panic!("something very wrong happened!"),
+    };
+
+    let mut decrypted = vec![];
+    let mut reader = decryptor
+        .decrypt(&secrecy::Secret::new(passphrase), None)
+        .ok()?;
+    reader.read_to_end(&mut decrypted).ok()?;
+    Some(std::str::from_utf8(&decrypted).ok()?.to_owned())
+}
-- 
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