br_pay/
alipay.rs

1use std::collections::{HashMap};
2use base64::Engine;
3use base64::engine::general_purpose;
4use chrono::Local;
5use crate::PayMode;
6use json::{object, JsonValue};
7use openssl::hash::MessageDigest;
8use openssl::pkey::{PKey};
9use openssl::rsa::Rsa;
10use openssl::sign::Signer;
11use urlencoding::encode;
12
13#[derive(Clone)]
14pub struct AliPay {
15    /// 应用appid
16    pub appid: String,
17    /// 授权token
18    pub app_auth_token: String,
19    /// 应用私钥证书路径
20    pub app_private: String,
21}
22impl AliPay {
23    pub fn http(&mut self, method: &str, biz_content: JsonValue) -> Result<JsonValue, String> {
24        let mut http = br_http::Http::new();
25        let sign = "";
26
27        let now = Local::now();
28        let timestamp = now.format("%Y-%m-%d %H:%M:%S").to_string();
29
30
31        let mut data = object! {
32            "charset":"UTF-8",
33            "method":method,
34            "app_id":self.appid.clone(),
35            "version":"1.0",
36            "sign_type":"RSA2",
37            "timestamp":timestamp,
38            "app_auth_token":self.app_auth_token.clone(),
39            "sign":sign,
40            "biz_content": biz_content,
41        };
42
43        let mut map = HashMap::new();
44        for (key, value) in data.entries() {
45            if key == "sign" {
46                continue;
47            }
48            if value.is_empty() {
49                continue;
50            }
51            map.insert(key, value);
52        }
53
54        let mut keys: Vec<_> = map.keys().cloned().collect();
55        keys.sort();
56        let mut txt = vec![];
57        for key in keys {
58            txt.push(format!("{}={}", key, map.get(&key).unwrap()));
59        }
60        let txt = txt.join("&");
61        let t = self.app_private.as_bytes().chunks(64).map(|chunk| std::str::from_utf8(chunk).unwrap_or("")).collect::<Vec<&str>>().join("\n");
62        let cart = format!("-----BEGIN PRIVATE KEY-----\n{}\n-----END PRIVATE KEY-----\n", t);
63
64        // 1. 加载私钥
65        let rsa = match Rsa::private_key_from_pem(cart.as_bytes()) {
66            Ok(e) => e,
67            Err(e) => return Err(e.to_string())
68        };
69
70        let pkey = match PKey::from_rsa(rsa) {
71            Ok(e) => e,
72            Err(e) => return Err(e.to_string())
73        };
74
75        // 2. 创建签名器，使用 SHA256
76        let mut signer = match Signer::new(MessageDigest::sha256(), &pkey) {
77            Ok(e) => e,
78            Err(e) => return Err(e.to_string())
79        };
80        match signer.update(txt.as_bytes()) {
81            Ok(()) => {}
82            Err(e) => return Err(e.to_string())
83        };
84        // 3. 生成签名
85        let signature = match signer.sign_to_vec() {
86            Ok(e) => e,
87            Err(e) => return Err(e.to_string())
88        };
89        // 4. Base64 编码输出
90        data["sign"] = general_purpose::STANDARD.encode(signature).into();
91
92        let mut new_data = object! {};
93        for (key, value) in data.entries() {
94            let t = encode(value.to_string().as_str()).to_string();
95            new_data[key] = t.into();
96        }
97        data = new_data;
98        let url = "https://openapi.alipay.com/gateway.do".to_string();
99        let res = match http.post(url.as_str()).query(data).json() {
100            Ok(e) => e,
101            Err(e) => {
102                println!(">>>>>>{}", e);
103                return Err(e);
104            }
105        };
106        if res.has_key("error_response") {
107            return Err(res["error_response"]["sub_msg"].to_string());
108        }
109        let key = method.replace(".", "_");
110        let key = format!("{}_response", key);
111        let data = res[key].clone();
112        if data.has_key("code") {
113            if data["code"] != "10000" {
114                Err(data["sub_msg"].to_string())
115            } else {
116                Ok(data)
117            }
118        } else {
119            Err(data.to_string())
120        }
121    }
122}
123impl PayMode for AliPay {
124    fn login(&mut self, code: &str) -> Result<JsonValue, String> {
125        let res = self.http("alipay.system.oauth.token", object! {
126            grant_type:"authorization_code",
127            code:code
128        })?;
129        Ok(res)
130    }
131
132    fn auth(&mut self, code: &str) -> Result<JsonValue, String> {
133        let res = match self.http("alipay.open.auth.token.app", object! {
134            grant_type:"authorization_code",
135            code:code
136        }) {
137            Ok(e) => e,
138            Err(e) => {
139                println!("Err: {:#}", e);
140                return Err(e);
141            }
142        };
143        //let user_id = res["user_id"].clone();
144        //let auth_app_id = res["auth_app_id"].clone();
145        //let re_expires_in = res["re_expires_in"].clone();
146        //let expires_in = res["expires_in"].clone();
147        //let app_auth_token = res["app_auth_token"].clone();
148        println!("{:#}", res);
149        Ok(object! {})
150    }
151
152    fn jsapi(
153        &mut self,
154        _sub_mchid: &str,
155        out_trade_no: &str,
156        description: &str,
157        total_fee: f64,
158        _notify_url: &str,
159        sp_openid: &str,
160    ) -> Result<JsonValue, String> {
161        self.app_auth_token = "202503BB5aba0791592f4cd9966ba090d36dfX11".to_string();
162        match self.http("alipay.trade.create", object! {
163            out_trade_no:out_trade_no,
164            total_amount:total_fee,
165            subject:description,
166            product_code:"JSAPI_PAY",
167            op_app_id:"2088541900270114",
168            buyer_open_id:sp_openid
169        }) {
170            Ok(e) => {
171                println!("{:#}", e);
172            }
173            Err(e) => {
174                println!("Err: {:#}", e);
175                return Err(e);
176            }
177        };
178
179
180        Ok(object! {})
181    }
182
183    fn close(&mut self, _out_trade_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
184        todo!()
185    }
186
187    fn pay_query(&mut self, _out_trade_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
188        todo!()
189    }
190
191    fn pay_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
192        todo!()
193    }
194
195    fn refund(&mut self, _sub_mchid: &str, _out_trade_no: &str, _transaction_id: &str, _out_refund_no: &str, _amount: f64, _total: f64, _currency: &str) -> Result<JsonValue, String> {
196        todo!()
197    }
198
199    fn refund_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
200        todo!()
201    }
202
203    fn refund_query(&mut self, _out_refund_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
204        todo!()
205    }
206}
br_pay/alipay.rs

br_pay/
alipay.rs
