feat(rust): add Provider trait + refactor C ABI to route through Provider

SelfHostedProvider implements Provider trait for offline license verification

native/craft-core/src/lib.rs

@@ -1,23 +1,27 @@
-// CraftLabs 授权核心库 — Rust 实现
-// 导出 C ABI 接口，与 native/include/craftlabs_auth.h 一致
-// 对齐 docs/平台架构思路.md §3.1
-
 use std::ffi::CStr;
 use std::os::raw::c_char;
 use std::ptr;
 
-mod activate;
-mod heartbeat;
-mod license;
-mod security;
+mod trait_provider;
 mod error;
+mod security;
 mod session;
 pub mod crypto;
 pub mod device;
 pub mod provider_selfhosted;
 
+use trait_provider::{Provider, ActivateResponse, HeartbeatResponse, LicenseStatus};
+use provider_selfhosted::SelfHostedProvider;
+
 pub struct CraftContext {
-    dummy: i32,
+    pub provider: Option<Box<dyn Provider>>,
+    pub initialized: bool,
+}
+
+impl CraftContext {
+    pub fn new() -> Self {
+        CraftContext { provider: None, initialized: false }
+    }
 }
 
 #[repr(C)]
@@ -36,41 +40,43 @@ pub struct LicenseInfo {
 }
 
 unsafe fn c_str_to_string(ptr: *const c_char) -> String {
-    if ptr.is_null() {
-        String::new()
-    } else {
-        CStr::from_ptr(ptr).to_string_lossy().into_owned()
-    }
+    if ptr.is_null() { String::new() } else { CStr::from_ptr(ptr).to_string_lossy().into_owned() }
 }
 
 static OK_MSG: &[u8] = b"ok\0";
-static FAIL_MSG: &[u8] = b"failure\0";
-
-fn ok_result() -> CraftResult {
-    CraftResult {
-        success: 1,
-        message: OK_MSG.as_ptr() as *const c_char,
-    }
+fn ok_result() -> CraftResult { CraftResult { success: 1, message: OK_MSG.as_ptr() as *const c_char } }
+fn fail_result() -> CraftResult {
+    static FAIL: &[u8] = b"failure\0";
+    CraftResult { success: 0, message: FAIL.as_ptr() as *const c_char }
 }
 
-fn fail_result() -> CraftResult {
-    CraftResult {
-        success: 0,
-        message: FAIL_MSG.as_ptr() as *const c_char,
-    }
+fn parse_provider(config: &str) -> String {
+    serde_json::from_str::<serde_json::Value>(config)
+        .ok()
+        .and_then(|v| v.get("provider").and_then(|p| p.as_str().map(|s| s.to_string())))
+        .unwrap_or_else(|| "selfhosted".to_string())
 }
 
 #[no_mangle]
 pub extern "C" fn craft_initialize(config_json: *const c_char) -> *mut CraftContext {
-    let _config = unsafe { c_str_to_string(config_json) };
+    let config_str = unsafe { c_str_to_string(config_json) };
 
-    #[cfg(feature = "security-hardening")]
-    {
-        security::anti_debug::anti_debug_check();
-        let _ = security::integrity::integrity_check();
+    let mut ctx = Box::new(CraftContext::new());
+    let mut provider: Box<dyn Provider> = match parse_provider(&config_str).as_str() {
+        "selfhosted" => Box::new(SelfHostedProvider::new()),
+        _ => Box::new(SelfHostedProvider::new()),
+    };
+
+    match provider.initialize(&ctx, &config_str) {
+        Ok(()) => {
+            ctx.provider = Some(provider);
+            ctx.initialized = true;
+        }
+        Err(_) => {
+            ctx.initialized = false;
+        }
     }
 
-    let ctx = Box::new(CraftContext::new());
     Box::into_raw(ctx)
 }
 
@@ -78,77 +84,72 @@ pub extern "C" fn craft_initialize(config_json: *const c_char) -> *mut CraftCont
 pub extern "C" fn craft_activate(
     handle: *mut CraftContext,
     license_key: *const c_char,
-    config_json: *const c_char,
+    _config_json: *const c_char,
 ) -> CraftResult {
-    if handle.is_null() {
-        return fail_result();
-    }
+    if handle.is_null() { return fail_result(); }
+    let ctx = unsafe { &*handle };
     let key = unsafe { c_str_to_string(license_key) };
-    let config = unsafe { c_str_to_string(config_json) };
-    activate::core_activate(&key, &config)
+    ctx.provider.as_ref()
+        .and_then(|p| p.activate(ctx, &key).ok())
+        .map_or_else(fail_result, |_| ok_result())
 }
 
 #[no_mangle]
 pub extern "C" fn craft_check_license(handle: *mut CraftContext) -> CraftResult {
-    if handle.is_null() {
-        return fail_result();
-    }
-    license::check_license(unsafe { &*handle })
+    if handle.is_null() { return fail_result(); }
+    let ctx = unsafe { &*handle };
+    ctx.provider.as_ref()
+        .and_then(|p| p.check_license(ctx).ok())
+        .map_or_else(fail_result, |s| if s.licensed { ok_result() } else { fail_result() })
 }
 
 #[no_mangle]
 pub extern "C" fn craft_get_license_info(handle: *mut CraftContext) -> *mut LicenseInfo {
-    if handle.is_null() {
-        return ptr::null_mut();
-    }
-    license::get_license_info(unsafe { &*handle })
+    if handle.is_null() { return ptr::null_mut(); }
+    let ctx = unsafe { &*handle };
+    ctx.provider.as_ref()
+        .map(|p| p.get_license_info(ctx))
+        .map_or(ptr::null_mut(), |info| Box::into_raw(Box::new(info)))
 }
 
 #[no_mangle]
 pub extern "C" fn craft_free_license_info(info: *mut LicenseInfo) {
-    if !info.is_null() {
-        unsafe {
-            drop(Box::from_raw(info));
-        }
-    }
+    if !info.is_null() { unsafe { drop(Box::from_raw(info)); } }
 }
 
 #[no_mangle]
-pub extern "C" fn craft_has_feature(
-    handle: *mut CraftContext,
-    feature_name: *const c_char,
-) -> i32 {
-    if handle.is_null() {
-        return 0;
-    }
+pub extern "C" fn craft_has_feature(handle: *mut CraftContext, feature_name: *const c_char) -> i32 {
+    if handle.is_null() { return 0; }
+    let ctx = unsafe { &*handle };
     let name = unsafe { c_str_to_string(feature_name) };
-    if license::has_feature(unsafe { &*handle }, &name) {
-        1
-    } else {
-        0
-    }
+    ctx.provider.as_ref().map_or(0, |p| if p.has_feature(ctx, &name) { 1 } else { 0 })
 }
 
 #[no_mangle]
 pub extern "C" fn craft_release(handle: *mut CraftContext) -> CraftResult {
-    if handle.is_null() {
-        return fail_result();
+    if handle.is_null() { return fail_result(); }
+    let ctx = unsafe { &mut *handle };
+    if let Some(ref mut p) = ctx.provider {
+        let _ = p.release();
     }
-    license::release_license(unsafe { &mut *handle })
+    ok_result()
 }
 
 #[no_mangle]
 pub extern "C" fn craft_heartbeat(handle: *mut CraftContext) -> CraftResult {
-    if handle.is_null() {
-        return fail_result();
-    }
-    heartbeat::do_heartbeat(unsafe { &*handle })
+    if handle.is_null() { return fail_result(); }
+    let ctx = unsafe { &*handle };
+    ctx.provider.as_ref()
+        .and_then(|p| p.heartbeat(ctx).ok())
+        .map_or_else(fail_result, |_| ok_result())
 }
 
 #[no_mangle]
 pub extern "C" fn craft_destroy(handle: *mut CraftContext) {
     if !handle.is_null() {
         unsafe {
+            let ctx = &mut *handle;
+            if let Some(ref mut p) = ctx.provider { p.close(); }
             drop(Box::from_raw(handle));
         }
     }

native/craft-core/src/provider_selfhosted/mod.rs

@@ -6,6 +6,7 @@ use crate::{
     CraftContext, LicenseInfo,
     device::DeviceFingerprint,
     error::LicenseError,
+    trait_provider::{Provider, ActivateResponse, HeartbeatResponse, LicenseStatus},
 };
 
 pub struct SelfHostedConfig {
@@ -131,3 +132,58 @@ impl SelfHostedProvider {
         self.cache.persist(&self.device_fp)
     }
 }
+
+// ── Provider trait 实现 ──
+
+impl Provider for SelfHostedProvider {
+    fn initialize(&mut self, _ctx: &CraftContext, config_json: &str) -> Result<(), LicenseError> {
+        let cfg: serde_json::Value = serde_json::from_str(config_json)
+            .map_err(|_| LicenseError::InvalidFormat("config json"))?;
+        let sh = cfg.get("selfhosted").ok_or(LicenseError::ConfigMissing("selfhosted section"))?;
+
+        let base_url = sh.get("baseUrl").and_then(|v| v.as_str()).unwrap_or("").to_string();
+        let tenant_key = sh.get("tenantKey").and_then(|v| v.as_str()).unwrap_or("").to_string();
+        let offline_grace_days = sh.get("offlineGraceDays").and_then(|v| v.as_u64()).unwrap_or(7) as u32;
+        let heartbeat_interval_hours = sh.get("heartbeatIntervalHours").and_then(|v| v.as_u64()).unwrap_or(24) as u32;
+        let public_key_pem = option_env!("CRAFTLABS_SELFHOSTED_PUBKEY").unwrap_or("").to_string();
+
+        self.initialize(base_url, tenant_key, offline_grace_days, heartbeat_interval_hours, public_key_pem)
+    }
+
+    fn activate(&self, _ctx: &CraftContext, _license_key: &str) -> Result<ActivateResponse, LicenseError> {
+        Err(LicenseError::Network("online activation not yet implemented".into()))
+    }
+
+    fn check_license(&self, _ctx: &CraftContext) -> Result<LicenseStatus, LicenseError> {
+        self.check_license_offline()?;
+        let cached = self.cache.license.as_ref().ok_or(LicenseError::NoCachedLicense)?;
+        Ok(LicenseStatus {
+            licensed: true,
+            not_after: cached.not_after,
+            features: cached.features.clone(),
+            device_count: 0,
+            max_devices: cached.max_devices,
+            heartbeat_due: None,
+        })
+    }
+
+    fn heartbeat(&self, _ctx: &CraftContext) -> Result<HeartbeatResponse, LicenseError> {
+        Err(LicenseError::Network("heartbeat not yet implemented".into()))
+    }
+
+    fn has_feature(&self, _ctx: &CraftContext, name: &str) -> bool {
+        self.has_feature_offline(name)
+    }
+
+    fn release(&mut self) -> Result<(), LicenseError> {
+        Ok(())
+    }
+
+    fn get_license_info(&self, _ctx: &CraftContext) -> LicenseInfo {
+        self.get_license_info_offline()
+    }
+
+    fn close(&mut self) {
+        let _ = self.persist_cache();
+    }
+}

native/craft-core/src/trait_provider.rs

@@ -0,0 +1,36 @@
+use std::collections::HashMap;
+use crate::{CraftContext, LicenseInfo, error::LicenseError};
+
+#[derive(Debug)]
+pub struct LicenseStatus {
+    pub licensed: bool,
+    pub not_after: Option<i64>,
+    pub features: HashMap<String, bool>,
+    pub device_count: u32,
+    pub max_devices: u32,
+    pub heartbeat_due: Option<i64>,
+}
+
+pub struct ActivateResponse {
+    pub success: bool,
+    pub device_id: String,
+    pub license_payload: Vec<u8>,
+}
+
+pub struct HeartbeatResponse {
+    pub valid: bool,
+    pub lease_until: Option<i64>,
+    pub update_available: bool,
+    pub new_license_payload: Option<Vec<u8>>,
+}
+
+pub trait Provider: Send + Sync {
+    fn initialize(&mut self, ctx: &CraftContext, config_json: &str) -> Result<(), LicenseError>;
+    fn activate(&self, ctx: &CraftContext, license_key: &str) -> Result<ActivateResponse, LicenseError>;
+    fn check_license(&self, ctx: &CraftContext) -> Result<LicenseStatus, LicenseError>;
+    fn heartbeat(&self, ctx: &CraftContext) -> Result<HeartbeatResponse, LicenseError>;
+    fn has_feature(&self, ctx: &CraftContext, name: &str) -> bool;
+    fn release(&mut self) -> Result<(), LicenseError>;
+    fn get_license_info(&self, ctx: &CraftContext) -> LicenseInfo;
+    fn close(&mut self);
+}