twetch_sdk/authentication/
mod.rs

1use bsv_wasm::{hash::Hash, AESAlgorithms, PBKDF2Hashes, AES, KDF};
2use serde::*;
3use std::str;
4use wasm_bindgen::prelude::*;
5
6#[wasm_bindgen]
7
8pub struct Authentication {}
9
10#[wasm_bindgen]
11#[derive(Debug, Default, Clone, PartialEq, Eq, Serialize, Deserialize)]
12pub struct AuthenticationCipher {
13    email_hash: String,
14    cipher: String,
15    password_hash: String,
16    cipher_hash: Vec<u8>,
17}
18
19#[wasm_bindgen]
20impl AuthenticationCipher {
21    #[wasm_bindgen(js_name = getEmailHash)]
22    pub fn get_email_hash(&self) -> String {
23        self.email_hash.clone()
24    }
25
26    #[wasm_bindgen(js_name = getPasswordHash)]
27    pub fn get_password_hash(&self) -> String {
28        self.password_hash.clone()
29    }
30
31    #[wasm_bindgen(js_name = getCipher)]
32    pub fn get_cipher(&self) -> String {
33        self.cipher.clone()
34    }
35}
36
37#[wasm_bindgen]
38impl Authentication {
39    #[wasm_bindgen(js_name = getCipher)]
40    pub fn get_cipher(email: String, password: String) -> AuthenticationCipher {
41        let email_hash = Hash::sha_256(email.as_bytes()).to_hex();
42        let cipher = KDF::pbkdf2(
43            password.as_bytes().into(),
44            Some(email_hash.as_bytes().into()),
45            PBKDF2Hashes::SHA256,
46            10000,
47            32,
48        )
49        .get_hash();
50
51        let password_hash = Hash::sha_256(cipher.to_hex().as_bytes()).to_hex();
52
53        let response = AuthenticationCipher {
54            email_hash,
55            password_hash,
56            cipher: cipher.to_hex(),
57            cipher_hash: cipher.to_bytes(),
58        };
59
60        return response;
61    }
62}
63
64#[wasm_bindgen]
65impl AuthenticationCipher {
66    #[wasm_bindgen(js_name = decryptMnemonic)]
67    pub fn decrypt_mnemonic(&self, encrypted_mnemonic: String) -> Option<String> {
68        let iv = &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1];
69
70        let decrypted = match AES::decrypt(
71            &self.cipher_hash,
72            iv,
73            encrypted_mnemonic.as_bytes(),
74            AESAlgorithms::AES128_CTR,
75        ) {
76            Ok(v) => v,
77            Err(_) => return Some("error decrypting".to_string()),
78        };
79
80        let utf8 = match str::from_utf8(&decrypted) {
81            Ok(v) => v,
82            Err(_) => return Some("error utf8".to_string()),
83        };
84
85        //let decoded_utf8 = match decode_uri_component(&utf8) {
86        //Ok(v) => v,
87        //Err(_) => return Some("error decode uri".to_string()),
88        //};
89
90        return Some(utf8.into());
91    }
92}
twetch_sdk/authentication/mod.rs

twetch_sdk/authentication/
mod.rs
