feat: authlite command

Cargo.lock

@@ -718,6 +718,12 @@ version = "0.4.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
 
+[[package]]
+name = "md5"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae960838283323069879657ca3de837e9f7bbb4c7bf6ea7f1b290d5e9476d2e0"
+
 [[package]]
 name = "memchr"
 version = "2.7.5"
@@ -1095,13 +1101,16 @@ dependencies = [
  "aes",
  "cbc",
  "chrono",
+ "cipher",
  "digest",
  "flate2",
  "hmac-sha256",
+ "md5",
  "nyquest",
  "serde",
  "serde_json",
  "snafu",
+ "strum 0.27.2",
 ]
 
 [[package]]
@@ -1112,8 +1121,10 @@ dependencies = [
  "nyquest-preset",
  "palc",
  "sdgb-api",
+ "serde_json",
  "snafu",
  "spdlog-rs",
+ "strum 0.27.2",
 ]
 
 [[package]]
@@ -1205,8 +1216,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "15bf745ed831fe29ec1ff6cc8dfb443721c08e895c9a08fcaa1e2c6f09ec020d"
 dependencies = [
  "nom",
- "strum",
- "strum_macros",
+ "strum 0.24.1",
+ "strum_macros 0.24.3",
  "thiserror 1.0.69",
 ]
 
@@ -1260,7 +1271,16 @@ version = "0.24.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "063e6045c0e62079840579a7e47a355ae92f60eb74daaf156fb1e84ba164e63f"
 dependencies = [
- "strum_macros",
+ "strum_macros 0.24.3",
+]
+
+[[package]]
+name = "strum"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af23d6f6c1a224baef9d3f61e287d2761385a5b88fdab4eb4c6f11aeb54c4bcf"
+dependencies = [
+ "strum_macros 0.27.2",
 ]
 
 [[package]]
@@ -1276,6 +1296,18 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "strum_macros"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7695ce3845ea4b33927c055a39dc438a45b059f7c1b3d91d38d10355fb8cbca7"
+dependencies = [
+ "heck 0.5.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.104",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"

Cargo.toml

@@ -4,7 +4,10 @@ resolver = "3"
 
 [workspace.dependencies]
 sdgb-api = { path = "./sdgb-api" }
+
 snafu = { version = "0.8.6", features = ["backtrace", "rust_1_81"] }
+serde_json = "1.0.141"
+strum = { version = "0.27.2", features = ["derive"] }
 
 [profile.release]
 lto = true

sdgb-api/Cargo.toml

@@ -7,16 +7,25 @@ license = "GPL-3.0"
 
 [dependencies]
 snafu = { workspace = true }
+serde_json = { workspace = true }
+strum = {workspace = true}
 
+# hashing
 digest = "0.10.7"
 hmac-sha256 = { version = "1.1.12", features = ["digest010", "traits010"] }
+md5 = "0.8.0"
 
+# other utils
 chrono = "0.4.41"
 
+# network request
 nyquest = { version = "0.2.0", features = ["async", "json"] }
 
+# (de)serialization
 serde = { version = "1.0.219", features = ["derive"] }
-serde_json = "1.0.141"
+
+# compression / encryption
 flate2 = "1.1.2"
 cbc = "0.1.2"
 aes = "0.8.4"
+cipher = { version = "0.4.4", features = ["block-padding"] }

sdgb-api/src/auth_lite/mod.rs

@@ -0,0 +1,91 @@
+use cipher::{
+    BlockDecryptMut as _, BlockEncryptMut as _, BlockSizeUser as _, KeyIvInit as _,
+    block_padding::Pkcs7, generic_array::GenericArray,
+};
+use nyquest::{
+    AsyncClient,
+    r#async::{Body, Request},
+    header::USER_AGENT,
+};
+
+use crate::error::ApiError;
+
+const AES_IV: &[u8; 16] = b"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+
+pub trait Delivery {
+    const AES_KEY: &[u8; 16];
+    const TITLE_ID: &str;
+    const USER_AGENT: &str;
+}
+
+/// only for fun
+pub struct SDHJ;
+pub struct SDGB;
+
+impl Delivery for SDHJ {
+    const AES_KEY: &[u8; 16] = b"-a57UX4y9/h(ImAQ";
+    const TITLE_ID: &str = "SDHJ";
+    const USER_AGENT: &str = "SDHJ;Windows/Lite";
+}
+
+impl Delivery for SDGB {
+    const AES_KEY: &[u8; 16] = br#"/?jo+"L&\Cr9(=kG"#;
+    const TITLE_ID: &str = "SDGB";
+    const USER_AGENT: &str = "SDGB;Windows/Lite";
+}
+
+pub async fn delivery_raw<D>(
+    client: &AsyncClient,
+    title_ver: impl AsRef<str>,
+) -> Result<Vec<u8>, ApiError>
+where
+    D: Delivery,
+{
+    let title_ver = title_ver.as_ref();
+    let params = format!(
+        "title_id={}&title_ver={title_ver}&client_id=A63E01C2805",
+        D::TITLE_ID
+    );
+    let enc_data = encrypt(params, D::AES_KEY, AES_IV)?;
+
+    let req = Request::post("http://at.sys-allnet.cn/net/delivery/instruction")
+        .with_body(Body::bytes(enc_data, "application/xxx-form-urlencoded"))
+        .with_header(USER_AGENT, D::USER_AGENT)
+        .with_header("Pragma", "DFI");
+
+    let mut resp = client.request(req).await?.bytes().await?;
+    let dec_len = decrypt(&mut resp, D::AES_KEY, AES_IV)?.len();
+    Ok(resp[16..dec_len].to_vec())
+}
+
+type Aes128CbcEnc = cbc::Encryptor<aes::Aes128>;
+type Aes128CbcDec = cbc::Decryptor<aes::Aes128>;
+
+fn encrypt(data: impl AsRef<[u8]>, key: &[u8; 16], iv: &[u8; 16]) -> Result<Vec<u8>, ApiError> {
+    let mut headed_data = vec![0u8; 16];
+    headed_data.extend_from_slice(data.as_ref());
+
+    let key = GenericArray::from_slice(key);
+    let iv = GenericArray::from_slice(iv);
+    let encryptor = Aes128CbcEnc::new(key, iv);
+
+    let bs = aes::Aes128::block_size();
+    let pad_len = bs - headed_data.len() % bs;
+
+    let mut buf = vec![0; pad_len + headed_data.len()];
+    buf[..headed_data.len()].copy_from_slice(&headed_data);
+    encryptor.encrypt_padded_mut::<Pkcs7>(&mut buf, headed_data.len())?;
+    Ok(buf)
+}
+
+fn decrypt<'ct>(
+    data: &'ct mut impl AsMut<[u8]>,
+    key: &[u8; 16],
+    iv: &[u8; 16],
+) -> Result<&'ct [u8], ApiError> {
+    let key = GenericArray::from_slice(key);
+    let iv = GenericArray::from_slice(iv);
+    let decryptor = Aes128CbcDec::new(key, iv);
+    let result = decryptor.decrypt_padded_mut::<Pkcs7>(data.as_mut())?;
+    Ok(result)
+}

sdgb-api/src/error.rs

@@ -0,0 +1,36 @@
+use aes::cipher::{block_padding::UnpadError, inout::PadError};
+use snafu::Snafu;
+
+#[derive(Debug, Snafu)]
+pub enum ApiError {
+    #[snafu(display("api returned nothing!"))]
+    EmptyResponse,
+    #[snafu(display("encrypt data: {error}"))]
+    Pad { error: PadError },
+    #[snafu(display("decrypt data: {error}"))]
+    Unpad { error: UnpadError },
+
+    #[snafu(display("io error: {source}"))]
+    #[snafu(context(false))]
+    IO { source: std::io::Error },
+
+    #[snafu(display("json error: {source}"))]
+    #[snafu(context(false))]
+    JSON { source: serde_json::Error },
+
+    #[snafu(display("request error: {source}"))]
+    #[snafu(context(false))]
+    Request { source: nyquest::Error },
+}
+
+impl From<UnpadError> for ApiError {
+    fn from(error: UnpadError) -> Self {
+        Self::Unpad { error }
+    }
+}
+
+impl From<PadError> for ApiError {
+    fn from(error: PadError) -> Self {
+        Self::Pad { error }
+    }
+}

sdgb-api/src/lib.rs

@@ -1,2 +1,6 @@
-pub mod title;
 pub mod all_net;
+pub mod auth_lite;
+pub mod title;
+
+mod error;
+pub use error::ApiError;

sdgb-api/src/title/encryption/constants/mod.rs

@@ -1,4 +0,0 @@
-pub const SDGB_1_50_KEY: &[u8; 32] = b"a>32bVP7v<63BVLkY[xM>daZ1s9MBP<R";
-pub const SDGB_1_50_IV: &[u8; 16] = b"d6xHIKq]1J]Dt^ue";
-pub const SDGB_1_40_KEY: &[u8; 32] = b"n7bx6:@Fg_:2;5E89Phy7AyIcpxEQ:R@";
-pub const SDGB_1_40_IV: &[u8; 16] = b";;KjR1C3hgB1ovXa";

sdgb-api/src/title/encryption/mod.rs

@@ -1,24 +1,98 @@
-use std::io::Read;
+use std::io::{Read, Write as _};
+
+use aes::cipher::{
+    BlockDecryptMut, BlockEncryptMut, BlockSizeUser, KeyIvInit, block_padding::Pkcs7,
+};
 
-use aes::cipher::{BlockDecryptMut, KeyIvInit, block_padding::Pkcs7};
 use digest::generic_array::GenericArray;
-use flate2::read::ZlibDecoder;
+use flate2::write::ZlibEncoder;
+use flate2::{Compression, read::ZlibDecoder};
 
-use crate::title::error::ApiError;
+use crate::error::ApiError;
+use crate::title::{MaiVersion, MaiVersionExt, Sdgb1_40, Sdgb1_50};
 
-pub mod constants;
+impl MaiVersionExt for Sdgb1_40 {
+    fn decode(mut data: impl AsMut<[u8]>) -> Result<Vec<u8>, ApiError> {
+        let mut decompressed = decompress(data.as_mut());
+        if decompressed.is_empty() {
+            return Err(ApiError::EmptyResponse);
+        }
 
-// type Aes256CbcEnc = cbc::Encryptor<aes::Aes256>;
+        let orig_len = decompressed.len();
+
+        let remain = 16 - decompressed.len() % 16;
+
+        if
+        // weird but nessacary for Rust Pkcs7
+        remain != 16 {
+            decompressed.resize(remain + orig_len, remain as _);
+        }
+
+        let unpad_size = decrypt(&mut decompressed, Self::AES_KEY, Self::AES_IV)?.len();
+        decompressed.truncate(unpad_size);
+        Ok(decompressed)
+    }
+
+    fn encode(data: impl AsRef<[u8]>) -> Result<Vec<u8>, ApiError> {
+        let enc = encrypt(data, Self::AES_KEY, Self::AES_IV)?;
+        let compressed = compress(enc)?;
+        Ok(compressed)
+    }
+}
+
+impl MaiVersionExt for Sdgb1_50 {
+    fn decode(mut data: impl AsMut<[u8]>) -> Result<Vec<u8>, ApiError> {
+        if data.as_mut().is_empty() {
+            return Err(ApiError::EmptyResponse);
+        }
+
+        let decrypted = decrypt(&mut data, Self::AES_KEY, Self::AES_IV)?;
+        let decompressed = decompress(decrypted);
+        Ok(decompressed)
+    }
+
+    fn encode(data: impl AsRef<[u8]>) -> Result<Vec<u8>, ApiError> {
+        let compressed = compress(data)?;
+        let enc = encrypt(compressed, Self::AES_KEY, Self::AES_IV)?;
+        Ok(enc)
+    }
+}
+
+type Aes256CbcEnc = cbc::Encryptor<aes::Aes256>;
 type Aes256CbcDec = cbc::Decryptor<aes::Aes256>;
 
-pub fn decompress(data: impl AsRef<[u8]>) -> Vec<u8> {
+fn compress(data: impl AsRef<[u8]>) -> Result<Vec<u8>, ApiError> {
+    let mut buf = Vec::with_capacity(data.as_ref().len());
+    // 6 is the default compression level of zlib
+    let mut encoder = ZlibEncoder::new(&mut buf, Compression::new(6));
+    encoder.write_all(data.as_ref())?;
+    encoder.finish()?;
+    Ok(buf)
+}
+
+fn decompress(data: impl AsRef<[u8]>) -> Vec<u8> {
     let mut buf = Vec::with_capacity(data.as_ref().len() * 2);
     let mut decode = ZlibDecoder::new(data.as_ref());
     _ = decode.read_to_end(&mut buf);
     buf
 }
 
-pub fn decrypt<'ct>(
+fn encrypt(data: impl AsRef<[u8]>, key: &[u8; 32], iv: &[u8; 16]) -> Result<Vec<u8>, ApiError> {
+    let key = GenericArray::from_slice(key);
+    let iv = GenericArray::from_slice(iv);
+    let encryptor = Aes256CbcEnc::new(key, iv);
+    let data = data.as_ref();
+    let bs = aes::Aes256::block_size();
+    let pad_len = bs - data.len() % bs;
+
+    let mut buf = vec![0; pad_len + data.len()];
+    buf[..data.len()].copy_from_slice(&data);
+
+    encryptor.encrypt_padded_mut::<Pkcs7>(&mut buf, data.len())?;
+    Ok(buf)
+}
+
+fn decrypt<'ct>(
     data: &'ct mut impl AsMut<[u8]>,
     key: &[u8; 32],
     iv: &[u8; 16],
@@ -33,24 +107,26 @@ pub fn decrypt<'ct>(
 #[cfg(test)]
 mod _tests {
 
-    use crate::title::encryption::{constants::*, *};
+    use crate::title::{Sdgb1_50, encryption::*};
 
     #[test]
-    fn test_sdgb_140_dec() {
+    fn test_sdgb_140_dec_enc() -> Result<(), ApiError> {
         let data = [
             120_u8, 156, 171, 77, 91, 233, 184, 108, 2, 71, 125, 142, 118, 135, 112, 181, 85, 217,
             239, 243, 159, 153, 248, 98, 159, 185, 63, 43, 173, 106, 221, 115, 104, 105, 221, 107,
             0, 241, 176, 16, 37,
         ];
-        let mut decompressed = decompress(data);
-        let data =
-            decrypt(&mut decompressed, SDGB_1_40_KEY, SDGB_1_40_IV).expect("decryption failed!");
-        assert_eq!(&data, br#"{"result":"Pong"}"#);
+
+        let dec = Sdgb1_40::decode(data)?;
+        assert_eq!(dec, br#"{"result":"Pong"}"#);
+        let enc = Sdgb1_40::encode(dec)?;
+        assert_eq!(enc, data);
+        Ok(())
     }
 
     #[test]
-    fn test_sdgb_150_dec() {
-        let mut data = [
+    fn test_sdgb_150_dec_enc() -> Result<(), ApiError> {
+        let data = [
             161, 166, 3, 157, 202, 233, 151, 73, 40, 113, 186, 162, 177, 46, 118, 113, 98, 231, 67,
             185, 246, 180, 109, 253, 1, 152, 0, 31, 81, 211, 28, 137, 95, 12, 110, 105, 181, 246,
             177, 1, 45, 59, 182, 113, 56, 97, 56, 100, 34, 168, 27, 51, 228, 77, 192, 194, 248, 45,
@@ -66,8 +142,10 @@ mod _tests {
             177, 84, 85, 152, 183, 77, 67, 163, 61, 165, 144, 125, 255, 89, 108, 58, 137, 142, 9,
             8, 54, 228, 34, 55, 124, 158, 83, 36,
         ];
-        let decrypted = decrypt(&mut data, SDGB_1_50_KEY, SDGB_1_50_IV).expect("decryption failed");
-        let decompressed = decompress(decrypted);
-        assert_eq!(decompressed, r#"{"userId":10103750,"userName":"舞萌","isLogin":false,"lastGameId":null,"lastRomVersion":"1.01.00","lastDataVersion":"1.05.03","lastLoginDate":"1970-01-01 00:00:00","lastPlayDate":"1970-01-01 00:00:00","playerRating":1024,"nameplateId":0,"iconId":11,"trophyId":0,"isNetMember":1,"isInherit":false,"totalAwake":5,"dispRate":0,"dailyBonusDate":"1970-01-01 09:00:00","headPhoneVolume":null,"banState":0}"#.as_bytes())
+        let dec = Sdgb1_50::decode(data)?;
+        assert_eq!(dec, r#"{"userId":10103750,"userName":"舞萌","isLogin":false,"lastGameId":null,"lastRomVersion":"1.01.00","lastDataVersion":"1.05.03","lastLoginDate":"1970-01-01 00:00:00","lastPlayDate":"1970-01-01 00:00:00","playerRating":1024,"nameplateId":0,"iconId":11,"trophyId":0,"isNetMember":1,"isInherit":false,"totalAwake":5,"dispRate":0,"dailyBonusDate":"1970-01-01 09:00:00","headPhoneVolume":null,"banState":0}"#.as_bytes());
+        let enc = Sdgb1_50::encode(dec)?;
+        assert_eq!(enc, data);
+        Ok(())
     }
 }

sdgb-api/src/title/error/mod.rs

@@ -1,14 +0,0 @@
-use aes::cipher::block_padding::UnpadError;
-use snafu::Snafu;
-
-#[derive(Debug, Snafu)]
-pub enum ApiError {
-    #[snafu(display("unpad data: {error}"))]
-    UnpadError { error: UnpadError },
-}
-
-impl From<UnpadError> for ApiError {
-    fn from(error: UnpadError) -> Self {
-        Self::UnpadError { error }
-    }
-}

sdgb-api/src/title/methods/mod.rs

@@ -0,0 +1,63 @@
+#[derive(strum::IntoStaticStr)]
+pub enum APIMethod {
+    GetGameChargeApi,
+    GetGameEventApi,
+    GetGameNgMusicIdApi,
+    GetGameNgWordListApi,
+    GetGameRankingApi,
+    GetGameSettingApi,
+    GetGameTournamentInfoApi,
+    GetTransferFriendApi,
+    GetUserActivityApi,
+    GetUserCardApi,
+    GetUserCharacterApi,
+    GetUserChargeApi,
+    GetUserCourseApi,
+    GetUserDataApi,
+    GetUserExtendApi,
+    GetUserFavoriteApi,
+    GetUserFavoriteItemApi,
+    GetUserFriendSeasonRankingApi,
+    GetUserGhostApi,
+    GetUserItemApi,
+    GetUserLoginBonusApi,
+    GetUserMapApi,
+    GetUserMusicApi,
+    GetUserOptionApi,
+    GetUserPortraitApi,
+    GetUserPreviewApi,
+    GetUserRatingApi,
+    GetUserRecommendRateMusicApi,
+    GetUserRecommendSelectMusicApi,
+    GetUserRegionApi,
+    GetUserScoreRankingApi,
+    Ping,
+    UploadUserPhotoApi,
+    UploadUserPlaylogApi,
+    UploadUserPortraitApi,
+    UpsertClientBookkeepingApi,
+    UpsertClientSettingApi,
+    UpsertClientTestmodeApi,
+    UpsertClientUploadApi,
+    UpsertUserAllApi,
+    UpsertUserChargelogApi,
+    UserLoginApi,
+    UserLogoutApi,
+}
+
+#[cfg(test)]
+mod _test {
+    use crate::title::{MaiVersionExt, Sdgb1_50, methods::APIMethod};
+
+    #[test]
+    fn test_obfuscate_1_50() {
+        assert_eq!(
+            Sdgb1_50::api_hash(APIMethod::Ping),
+            "250b3482854e7697de7d8eb6ea1fabb1"
+        );
+        assert_eq!(
+            Sdgb1_50::api_hash(APIMethod::GetUserPreviewApi),
+            "004cf848f96d393a5f2720101e30b93d"
+        );
+    }
+}

sdgb-api/src/title/mod.rs

@@ -1,2 +1,116 @@
+use std::fmt::Display;
+
+use crate::title::methods::APIMethod;
+
 pub mod encryption;
-mod error;
+pub mod methods;
+pub mod model;
+
+use super::ApiError;
+
+use nyquest::{
+    AsyncClient, Body,
+    r#async::Request,
+    header::{ACCEPT_ENCODING, CONTENT_ENCODING, EXPECT, USER_AGENT},
+};
+use serde::{Deserialize, Serialize};
+
+pub trait MaiVersion {
+    const AES_KEY: &[u8; 32];
+    const AES_IV: &[u8; 16];
+    const OBFUSECATE_SUFFIX: &str;
+    const VERSION: &str;
+}
+
+pub trait MaiVersionExt: MaiVersion {
+    fn encode(data: impl AsRef<[u8]>) -> Result<Vec<u8>, ApiError>;
+    fn decode(data: impl AsMut<[u8]>) -> Result<Vec<u8>, ApiError>;
+
+    fn api_hash(api: APIMethod) -> String {
+        let api_name: &str = api.into();
+
+        let mut md5 = md5::Context::new();
+        md5.consume(api_name);
+        md5.consume(Self::OBFUSECATE_SUFFIX);
+        let digest = md5.finalize();
+
+        format!("{digest:x}")
+    }
+
+    fn api_request<D>(
+        api: APIMethod,
+        agent_extra: impl Display,
+        data: D,
+    ) -> Result<Request, ApiError>
+    where
+        D: Serialize,
+    {
+        let json = serde_json::to_vec(&data)?;
+        let payload = Self::encode(json)?;
+
+        let api_hash = Self::api_hash(api);
+        let req = Request::post(format!(
+            "https://maimai-gm.wahlap.com:42081/Maimai2Servlet/{api_hash}"
+        ))
+        .with_body(Body::json_bytes(payload))
+        .with_header(USER_AGENT, format!("{api_hash}#{agent_extra}"))
+        .with_header("Mai-Encoding", Self::VERSION)
+        .with_header(ACCEPT_ENCODING, "")
+        .with_header("Charset", "UTF-8")
+        .with_header(CONTENT_ENCODING, "deflate")
+        .with_header(EXPECT, "100-continue");
+
+        Ok(req)
+    }
+
+    fn request_raw<D>(
+        client: &AsyncClient,
+        api: APIMethod,
+        agent_extra: impl Display,
+        data: D,
+    ) -> impl Future<Output = Result<Vec<u8>, ApiError>>
+    where
+        D: Serialize,
+    {
+        async {
+            let req = Self::api_request(api, agent_extra, data)?;
+            let data = client.request(req).await?.bytes().await?;
+            let decoded = Self::decode(data)?;
+            Ok(decoded)
+        }
+    }
+
+    fn request<D, R>(
+        client: &AsyncClient,
+        api: APIMethod,
+        agent_extra: impl Display,
+        data: D,
+    ) -> impl Future<Output = Result<R, ApiError>>
+    where
+        D: Serialize,
+        R: for<'a> Deserialize<'a>,
+    {
+        async {
+            let raw_data = Self::request_raw(client, api, agent_extra, data).await?;
+            Ok(serde_json::from_slice(&raw_data)?)
+        }
+    }
+}
+
+pub struct Sdgb1_40;
+pub struct Sdgb1_50;
+
+impl MaiVersion for Sdgb1_40 {
+    const AES_KEY: &[u8; 32] = b"n7bx6:@Fg_:2;5E89Phy7AyIcpxEQ:R@";
+    const AES_IV: &[u8; 16] = b";;KjR1C3hgB1ovXa";
+    const OBFUSECATE_SUFFIX: &str = "MaimaiChnBEs2D5vW";
+
+    const VERSION: &str = "1.40";
+}
+impl MaiVersion for Sdgb1_50 {
+    const AES_KEY: &[u8; 32] = b"a>32bVP7v<63BVLkY[xM>daZ1s9MBP<R";
+    const AES_IV: &[u8; 16] = b"d6xHIKq]1J]Dt^ue";
+    const OBFUSECATE_SUFFIX: &str = "MaimaiChnB44df8yT";
+
+    const VERSION: &str = "1.50";
+}

sdgb-api/src/title/model/get_user_preview_api/mod.rs

@@ -0,0 +1,70 @@
+use std::fmt::Display;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct GetUserPreviewApi {
+    pub user_id: u32,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct GetUserPreviewApiResp {
+    pub user_id: i64,
+    pub user_name: String,
+    pub is_login: bool,
+    pub last_rom_version: String,
+    pub last_data_version: String,
+    pub last_login_date: String,
+    pub last_play_date: String,
+    pub player_rating: i64,
+    pub nameplate_id: i64,
+    pub icon_id: i64,
+    pub trophy_id: i64,
+    pub is_net_member: i64,
+    pub is_inherit: bool,
+    pub total_awake: i64,
+    pub disp_rate: i64,
+    pub daily_bonus_date: String,
+    pub ban_state: i64,
+    // pub last_game_id: Value,
+    // pub head_phone_volume: Value,
+}
+
+impl Display for GetUserPreviewApiResp {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_fmt(format_args!("ID: {}\n", self.user_id))?;
+        f.write_fmt(format_args!("昵称: {}\n", self.user_name))?;
+        f.write_fmt(format_args!("登录中: {}\n", self.is_login))?;
+
+        f.write_fmt(format_args!("上次游戏版本: {}\n", self.last_rom_version))?;
+        f.write_fmt(format_args!("上次数据版本: {}\n", self.last_data_version))?;
+
+        f.write_fmt(format_args!("DX Rating: {}\n", self.player_rating))?;
+        f.write_fmt(format_args!("牌子: {}\n", self.nameplate_id))?;
+        f.write_fmt(format_args!("图标: {}\n", self.icon_id))?;
+        f.write_fmt(format_args!("trophy: {}\n", self.trophy_id))?;
+        f.write_fmt(format_args!("Net成员: {}\n", self.is_net_member))?;
+        f.write_fmt(format_args!("继承账号: {}\n", self.is_inherit))?;
+        f.write_fmt(format_args!("总觉醒: {}\n", self.total_awake))?;
+
+        f.write_fmt(format_args!(
+            "状态显示: {}\n",
+            match self.disp_rate {
+                0 => "全部都显示",
+                1 => "显示评级和段位",
+                2 => "显示评级和阶级",
+                3 => "显示段位和阶级",
+                4 => "只显示评级",
+                5 => "只显示段位",
+                6 => "只显示阶级",
+                7 => "全部都不显示",
+                _ => "未知",
+            }
+        ))?;
+
+        f.write_fmt(format_args!("封禁状态: {}\n", self.ban_state))?;
+        Ok(())
+    }
+}

sdgb-api/src/title/model/mod.rs

@@ -0,0 +1,8 @@
+mod ping;
+pub use ping::{Ping, PingResp};
+
+mod get_user_preview_api;
+pub use get_user_preview_api::{GetUserPreviewApi, GetUserPreviewApiResp};
+
+mod user_logout_api;
+pub use user_logout_api::{UserLogoutApi, UserLogoutApiResp};

sdgb-api/src/title/model/ping/mod.rs

@@ -0,0 +1,18 @@
+use std::fmt::Display;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize)]
+pub struct Ping {}
+
+#[derive(Debug, Deserialize)]
+pub struct PingResp {
+    result: String,
+}
+
+impl Display for PingResp {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(&self.result)?;
+        Ok(())
+    }
+}

sdgb-api/src/title/model/user_logout_api/mod.rs

@@ -0,0 +1,45 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, PartialEq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UserLogoutApi {
+    pub user_id: u32,
+    pub region_id: u64,
+    pub place_id: u64,
+    /// empty on SDGB
+    pub access_code: &'static str,
+    /// keychip without dash, 11 bytes
+    pub client_id: String,
+    /// Unix timestamp
+    pub date_time: u64,
+    #[serde(rename = "type")]
+    pub type_: i64,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UserLogoutApiResp {
+    pub return_code: i64,
+}
+
+impl Default for UserLogoutApi {
+    fn default() -> Self {
+        let user_id = 0;
+        let date_time = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .map(|t| t.as_secs())
+            .unwrap_or_default();
+
+        Self {
+            user_id,
+            date_time,
+            region_id: 22,
+            place_id: 3490,
+            client_id: "A63E01E9564".into(),
+            type_: 1,
+            access_code: "",
+        }
+    }
+}

sdgb-cli/Cargo.toml

@@ -8,6 +8,8 @@ description = "CLI tool for SDGB protocol"
 [dependencies]
 snafu = { workspace = true }
 sdgb-api = { workspace = true }
+serde_json = { workspace = true }
+strum = { workspace = true }
 
 nyquest-preset = { version = "0.2.0", features = ["async"] }
 compio = { version = "0.15.0", default-features = false, features = [

sdgb-cli/src/commands.rs

@@ -1,5 +1,6 @@
 use palc::Parser;
 use palc::Subcommand;
+use strum::EnumString;
 
 #[derive(Parser)]
 #[command(about = "SDGB api tool", long_about = env!("CARGO_PKG_DESCRIPTION"))]
@@ -8,6 +9,12 @@ pub struct Cli {
     pub command: Commands,
 }
 
+#[derive(EnumString)]
+pub enum AuthLiteVariant {
+    SDGB,
+    SDHJ,
+}
+
 #[derive(Subcommand)]
 pub enum Commands {
     /// Login with QRCode from wechat
@@ -16,4 +23,21 @@ pub enum Commands {
         #[arg(short, long)]
         qrcode_content: String,
     },
+
+    AuthLite {
+        #[arg(short, long, default_value = "1.50")]
+        title_ver: String,
+        #[arg(long, default_value = "SDGB")]
+        variant: AuthLiteVariant,
+    },
+
+    Ping,
+    Preview {
+        #[arg(short, long)]
+        user_id: u32,
+    },
+    Logout {
+        #[arg(short, long)]
+        user_id: u32,
+    },
 }

sdgb-cli/src/main.rs

@@ -1,6 +1,17 @@
 use nyquest_preset::nyquest::ClientBuilder;
 use palc::Parser;
-use sdgb_api::all_net::QRCode;
+use sdgb_api::{
+    all_net::QRCode,
+    auth_lite::{SDGB, SDHJ, delivery_raw},
+    title::{
+        MaiVersionExt, Sdgb1_40, Sdgb1_50,
+        methods::APIMethod,
+        model::{
+            GetUserPreviewApi, GetUserPreviewApiResp, Ping, PingResp, UserLogoutApi,
+            UserLogoutApiResp,
+        },
+    },
+};
 use spdlog::{error, info};
 
 use crate::commands::Cli;
@@ -15,6 +26,43 @@ async fn main() -> Result<(), Box<dyn snafu::Error>> {
     let client = ClientBuilder::default().build_async().await?;
 
     match cmd.command {
+        commands::Commands::Logout { user_id } => {
+            let logout: UserLogoutApiResp = Sdgb1_50::request(
+                &client,
+                APIMethod::UserLogoutApi,
+                user_id,
+                UserLogoutApi {
+                    user_id,
+                    ..Default::default()
+                },
+            )
+            .await?;
+            println!("{logout:?}");
+        }
+        commands::Commands::Preview { user_id } => {
+            let preview: GetUserPreviewApiResp = Sdgb1_50::request(
+                &client,
+                APIMethod::GetUserPreviewApi,
+                user_id,
+                GetUserPreviewApi { user_id },
+            )
+            .await?;
+
+            println!("{preview}");
+        }
+        commands::Commands::Ping => {
+            let decoded: PingResp = Sdgb1_40::request(
+                &client,
+                APIMethod::Ping,
+                "",
+                Ping {}, // note: must not be `Ping`, or serde_json serializes to nothing
+            )
+            .await?;
+            info!("sdgb 1.40 resp: {decoded}");
+            let decoded: PingResp =
+                Sdgb1_50::request(&client, APIMethod::Ping, "", Ping {}).await?;
+            info!("sdgb 1.50 resp: {decoded}");
+        }
         commands::Commands::QRLogin { ref qrcode_content } => {
             let qrcode = QRCode { qrcode_content };
             match qrcode.login(&client).await {
@@ -22,6 +70,14 @@ async fn main() -> Result<(), Box<dyn snafu::Error>> {
                 Err(e) => error!("login failed: {e}"),
             }
         }
+
+        commands::Commands::AuthLite { title_ver, variant } => {
+            let resp = match variant {
+                commands::AuthLiteVariant::SDGB => delivery_raw::<SDGB>(&client, title_ver).await?,
+                commands::AuthLiteVariant::SDHJ => delivery_raw::<SDHJ>(&client, title_ver).await?,
+            };
+            println!("{}", String::from_utf8_lossy(&resp));
+        }
     }
 
     Ok(())