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use std::convert::TryFrom; use std::convert::TryInto; use std::error::Error; use std::str::FromStr; use std::time::SystemTime; use serde::Deserialize; use serde::Serialize; use sha2::Digest; use sha2::Sha256; #[derive(Debug)] pub enum AuthStatus { OK, BasicRequired, PasswordWrong } #[derive(Debug, Deserialize, Serialize)] #[serde(rename_all = "PascalCase")] pub struct GetNonceResponse { status: String, nonce: String, salt: String, } impl FromStr for GetNonceResponse { type Err = serde_json::Error; fn from_str(s: &str) -> Result<Self, Self::Err> { serde_json::from_str(&s) } } impl GetNonceResponse { pub fn from_bytes(bytes: impl AsRef<[u8]>) -> Result<Self, serde_json::Error> { serde_json::from_slice(bytes.as_ref()) } } #[derive(Debug)] pub struct AuthData { pub nonce: [u8; 32], pub salt: [u8; 32], pub nonce_b64: String, pub token: String, pub last_login: SystemTime } impl TryFrom<GetNonceResponse> for AuthData { type Error = base64::DecodeError; fn try_from(response: GetNonceResponse) -> Result<Self, Self::Error> { let mut this = Self{ nonce: [0; 32], salt: [0; 32], nonce_b64: response.nonce, token: "".to_string(), last_login: SystemTime::now() }; base64::decode_config_slice(&this.nonce_b64, base64::STANDARD, &mut this.nonce)?; base64::decode_config_slice(response.salt, base64::STANDARD, &mut this.salt)?; Ok(this) } } impl FromStr for AuthData { type Err = Box<dyn Error>; fn from_str(s: &str) -> Result<Self, Self::Err> { Ok(GetNonceResponse::from_str(&s)?.try_into()?) } } impl AuthData { pub fn from_bytes(bytes: impl AsRef<[u8]>) -> Result<Self, Box<dyn Error>> { Ok(GetNonceResponse::from_bytes(&bytes)?.try_into()?) } pub fn obfuscate_password(&self, password: &str) -> LoginRequest { let password_bytes = password.as_bytes(); let mut hash = Sha256::new(); hash.update(&password_bytes); hash.update(&self.salt); let salted_password = hash.finalize_reset(); hash.update(&self.nonce); hash.update(salted_password); let nonced_password = hash.finalize(); LoginRequest{ password: base64::encode_config(nonced_password, base64::STANDARD) } } } #[derive(Debug, Serialize)] pub struct LoginRequest { pub password: String } #[test] fn test_decode_nonce_response_1() { let test_response = "{\n \"Status\": \"OK\",\n \"Nonce\": \"AgrKQzIZ4uYRG/XpzRW+r6laCg0klQgTy3qDF9NXu2g=\",\n \"Salt\": \"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"\n}"; let decoded = GetNonceResponse::from_str(&test_response).unwrap(); assert!(decoded.status == "OK"); assert!(decoded.nonce == "AgrKQzIZ4uYRG/XpzRW+r6laCg0klQgTy3qDF9NXu2g="); assert!(decoded.salt == "3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w="); let encoded = serde_json::to_string(&decoded).unwrap(); assert!(encoded == "{\"Status\":\"OK\",\"Nonce\":\"AgrKQzIZ4uYRG/XpzRW+r6laCg0klQgTy3qDF9NXu2g=\",\"Salt\":\"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"}"); } #[test] fn test_decode_nonce_response_2() { let test_response = "{\n \"Status\": \"OK\",\n \"Nonce\": \"Vk/hOyyLvAOmGlXuwOkRVM4b7BXiiZfT59mpJrhjrLI=\",\n \"Salt\": \"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"\n}"; let decoded = GetNonceResponse::from_str(&test_response).unwrap(); assert!(decoded.status == "OK"); assert!(decoded.nonce == "Vk/hOyyLvAOmGlXuwOkRVM4b7BXiiZfT59mpJrhjrLI="); assert!(decoded.salt == "3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w="); let encoded = serde_json::to_string(&decoded).unwrap(); assert!(encoded == "{\"Status\":\"OK\",\"Nonce\":\"Vk/hOyyLvAOmGlXuwOkRVM4b7BXiiZfT59mpJrhjrLI=\",\"Salt\":\"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"}"); } #[test] fn test_decode_nonce_response_bytes_1() { let test_response = bytes::Bytes::from("{\n \"Status\": \"OK\",\n \"Nonce\": \"AgrKQzIZ4uYRG/XpzRW+r6laCg0klQgTy3qDF9NXu2g=\",\n \"Salt\": \"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"\n}"); let decoded = GetNonceResponse::from_bytes(&test_response).unwrap(); assert!(decoded.status == "OK"); assert!(decoded.nonce == "AgrKQzIZ4uYRG/XpzRW+r6laCg0klQgTy3qDF9NXu2g="); assert!(decoded.salt == "3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w="); let encoded = serde_json::to_string(&decoded).unwrap(); assert!(encoded == "{\"Status\":\"OK\",\"Nonce\":\"AgrKQzIZ4uYRG/XpzRW+r6laCg0klQgTy3qDF9NXu2g=\",\"Salt\":\"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"}"); } #[test] fn test_decode_nonce_response_bytes_2() { let test_response = bytes::Bytes::from("{\n \"Status\": \"OK\",\n \"Nonce\": \"Vk/hOyyLvAOmGlXuwOkRVM4b7BXiiZfT59mpJrhjrLI=\",\n \"Salt\": \"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"\n}"); let decoded = GetNonceResponse::from_bytes(&test_response).unwrap(); assert!(decoded.status == "OK"); assert!(decoded.nonce == "Vk/hOyyLvAOmGlXuwOkRVM4b7BXiiZfT59mpJrhjrLI="); assert!(decoded.salt == "3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w="); let encoded = serde_json::to_string(&decoded).unwrap(); assert!(encoded == "{\"Status\":\"OK\",\"Nonce\":\"Vk/hOyyLvAOmGlXuwOkRVM4b7BXiiZfT59mpJrhjrLI=\",\"Salt\":\"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"}"); } #[test] fn test_decode_auth_data() { let json = "{\"Status\":\"OK\",\"Nonce\":\"xvOgo8tEsgxZbRVlxHh2UIj3Qw8e3VlfRWT5pHfSg7c=\",\"Salt\":\"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"}"; let decoded = GetNonceResponse::from_str(&json).unwrap(); assert!(decoded.nonce == "xvOgo8tEsgxZbRVlxHh2UIj3Qw8e3VlfRWT5pHfSg7c="); assert!(decoded.salt == "3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w="); let auth = AuthData::try_from(decoded).unwrap(); assert!(auth.nonce == base64::decode("xvOgo8tEsgxZbRVlxHh2UIj3Qw8e3VlfRWT5pHfSg7c=").unwrap()[..]); assert!(auth.salt == base64::decode("3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=").unwrap()[..]); assert!(auth.nonce_b64 == "xvOgo8tEsgxZbRVlxHh2UIj3Qw8e3VlfRWT5pHfSg7c="); } #[test] fn test_decode_auth_data_bytes() { let json = bytes::Bytes::from("{\"Status\":\"OK\",\"Nonce\":\"bFuaJ6MKyy0QcGecMGr+wZ4XQ/WZIUEAEaSHFdEl48A=\",\"Salt\":\"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"}"); let decoded = GetNonceResponse::from_bytes(&json).unwrap(); assert!(decoded.nonce == "bFuaJ6MKyy0QcGecMGr+wZ4XQ/WZIUEAEaSHFdEl48A="); assert!(decoded.salt == "3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w="); let auth = AuthData::try_from(decoded).unwrap(); assert!(auth.nonce == base64::decode("bFuaJ6MKyy0QcGecMGr+wZ4XQ/WZIUEAEaSHFdEl48A=").unwrap()[..]); assert!(auth.salt == base64::decode("3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=").unwrap()[..]); assert!(auth.nonce_b64 == "bFuaJ6MKyy0QcGecMGr+wZ4XQ/WZIUEAEaSHFdEl48A="); } #[test] fn test_password_obfuscation() { let json = bytes::Bytes::from("{\"Status\":\"OK\",\"Nonce\":\"bFuaJ6MKyy0QcGecMGr+wZ4XQ/WZIUEAEaSHFdEl48A=\",\"Salt\":\"3rD0gmervDRPGokexuJVeOg359B3JQ3AebC13+C7Q7w=\"}"); let decoded = GetNonceResponse::from_bytes(&json).unwrap(); let auth = AuthData::try_from(decoded).unwrap(); let request = auth.obfuscate_password("sjJ6200Pl^i*"); }