From 1e2fa9e3bbf7bbee1fcf5c15f05feb181e01da56 Mon Sep 17 00:00:00 2001
From: chakcy <947105045@qq.com>
Date: Tue, 21 Jul 2026 15:44:55 +0800
Subject: [PATCH] add first commit

---
 .gitignore        |   72 +++
 Cargo.lock        | 1156 +++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml        |   16 +
 chongming_jwt.pyi |    8 +
 pyproject.toml    |   13 +
 src/lib.rs        |  112 +++++
 6 files changed, 1377 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 chongming_jwt.pyi
 create mode 100644 pyproject.toml
 create mode 100644 src/lib.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c8f0442
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,72 @@
+/target
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+.pytest_cache/
+*.py[cod]
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+.venv/
+env/
+bin/
+build/
+develop-eggs/
+dist/
+eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+include/
+man/
+venv/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+pip-selfcheck.json
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.cache
+nosetests.xml
+coverage.xml
+
+# Translations
+*.mo
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# Rope
+.ropeproject
+
+# Django stuff:
+*.log
+*.pot
+
+.DS_Store
+
+# Sphinx documentation
+docs/_build/
+
+# PyCharm
+.idea/
+
+# VSCode
+.vscode/
+
+# Pyenv
+.python-version
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..89ed3ae
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,1156 @@
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..87f160c
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,16 @@
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+jsonwebtoken = { version = "10.4.0", features = ["rust_crypto"] } 
+pyo3 = "0.29.0"
+serde = "1.0.229"
+serde_json = "1.0.150"
diff --git a/chongming_jwt.pyi b/chongming_jwt.pyi
new file mode 100644
index 0000000..641a319
--- /dev/null
+++ b/chongming_jwt.pyi
@@ -0,0 +1,8 @@
+# utils/jwt/chongming_jwt.pyi
+from typing import Optional
+
+class JWT:
+    def __init__(self, secret: str, algorithm: Optional[str] = None) -> None: ...
+    def encode(self, payload: str, expires_in_seconds: Optional[int] = None) -> str: ...
+    def decode(self, token: str) -> str: ...
+    def validate(self, token: str) -> bool: ...
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..fa9ad22
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,13 @@
+[build-system]
+requires = ["maturin>=1.14,<2.0"]
+build-backend = "maturin"
+
+[project]
+name = "chongming-jwt"
+requires-python = ">=3.8"
+classifiers = [
+    "Programming Language :: Rust",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+]
+dynamic = ["version"]
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..2952f60
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,112 @@
+// utils/jwt/src/lib.rs
+use chrono::{Duration, Utc};
+use pyo3::exceptions::PyValueError;
+use pyo3::prelude::*;
+use serde::{Deserialize, Serialize};
+use std::collections::{HashMap, HashSet};
+
+// ---- Claims ----
+#[derive(Debug, Serialize, Deserialize)]
+struct Claims {
+    sub: String,
+    exp: usize,
+    iat: usize,
+    #[serde(flatten)]
+    extra: HashMap<String, serde_json::Value>,
+}
+
+// ---- JWT 类 ----
+#[pyclass]
+struct JWT {
+    secret: Vec<u8>,
+    algorithm: jsonwebtoken::Algorithm,
+}
+
+#[pymethods]
+impl JWT {
+    #[new]
+    fn new(secret: String, algorithm: Option<String>) -> PyResult<Self> {
+        let alg = match algorithm.unwrap_or_else(|| "HS256".to_string()).as_str() {
+            "HS256" => jsonwebtoken::Algorithm::HS256,
+            "HS384" => jsonwebtoken::Algorithm::HS384,
+            "HS512" => jsonwebtoken::Algorithm::HS512,
+            "RS256" => jsonwebtoken::Algorithm::RS256,
+            "RS384" => jsonwebtoken::Algorithm::RS384,
+            "RS512" => jsonwebtoken::Algorithm::RS512,
+            _ => return Err(PyValueError::new_err("Unsupported algorithm")),
+        };
+        Ok(JWT {
+            secret: secret.into_bytes(),
+            algorithm: alg,
+        })
+    }
+
+    fn encode(&self, payload: String, expires_in_seconds: Option<u64>) -> PyResult<String> {
+        let mut claims_map: HashMap<String, serde_json::Value> = serde_json::from_str(&payload)
+            .map_err(|e| PyValueError::new_err(format!("Invalid JSON payload: {}", e)))?;
+
+        let sub = claims_map
+            .remove("sub")
+            .and_then(|v| v.as_str().map(String::from))
+            .ok_or_else(|| PyValueError::new_err("Missing 'sub' field in payload"))?;
+
+        let now = Utc::now();
+        let exp = now + Duration::seconds(expires_in_seconds.unwrap_or(3600) as i64);
+
+        let claims = Claims {
+            sub,
+            iat: now.timestamp() as usize,
+            exp: exp.timestamp() as usize,
+            extra: claims_map,
+        };
+
+        let token = jsonwebtoken::encode(
+            &jsonwebtoken::Header::new(self.algorithm),
+            &claims,
+            &jsonwebtoken::EncodingKey::from_secret(&self.secret),
+        )
+        .map_err(|e| PyValueError::new_err(format!("Encode failed: {}", e)))?;
+
+        Ok(token)
+    }
+
+    fn decode(&self, token: String) -> PyResult<String> {
+        let mut validation = jsonwebtoken::Validation::new(self.algorithm);
+        validation.validate_exp = true;
+
+        let mut required = HashSet::new();
+        required.insert("exp".to_string());
+        required.insert("iat".to_string());
+        validation.required_spec_claims = required;
+
+        let key = jsonwebtoken::DecodingKey::from_secret(&self.secret);
+        let data = jsonwebtoken::decode::<serde_json::Value>(&token, &key, &validation)
+            .map_err(|e| PyValueError::new_err(format!("Invalid token: {}", e)))?;
+
+        Ok(serde_json::to_string(&data.claims)
+            .map_err(|e| PyValueError::new_err(format!("Serialize failed: {}", e)))?)
+    }
+
+    fn validate(&self, token: String) -> PyResult<bool> {
+        let mut validation = jsonwebtoken::Validation::new(self.algorithm);
+        validation.validate_exp = true;
+
+        let mut required = HashSet::new();
+        required.insert("exp".to_string());
+        required.insert("iat".to_string());
+        validation.required_spec_claims = required;
+
+        let key = jsonwebtoken::DecodingKey::from_secret(&self.secret);
+        match jsonwebtoken::decode::<serde_json::Value>(&token, &key, &validation) {
+            Ok(_) => Ok(true),
+            Err(_) => Ok(false),
+        }
+    }
+}
+
+// ---- PyO3 模块 ----
+#[pymodule]
+fn chongming_jwt(m: &Bound<'_, PyModule>) -> PyResult<()> {
+    m.add_class::<JWT>()?;
+    Ok(())
+}