br_pay/
alipay.rs

1use std::collections::{HashMap};
2use base64::Engine;
3use base64::engine::general_purpose;
4use chrono::Local;
5use crate::{PayMode, Types};
6use json::{object, JsonValue};
7use openssl::hash::MessageDigest;
8use openssl::pkey::{PKey};
9use openssl::rsa::Rsa;
10use openssl::sign::Signer;
11use urlencoding::encode;
12use log::error;
13
14#[derive(Clone)]
15pub struct AliPay {
16    /// 应用appid
17    pub appid: String,
18    /// 服务商商家号
19    pub sp_mchid: String,
20    /// 授权token
21    pub app_auth_token: String,
22    /// 应用私钥证书路径
23    pub app_private: String,
24    /// 接口内容加密密钥
25    pub content_encryp: String,
26    /// 支付宝公钥
27    pub alipay_public_key: String,
28    pub notify_url: String,
29}
30impl AliPay {
31    pub fn http(&mut self, method: &str, biz_content: JsonValue) -> Result<JsonValue, String> {
32        let mut http = br_http::Http::new();
33        let sign = "";
34
35        let now = Local::now();
36        let timestamp = now.format("%Y-%m-%d %H:%M:%S").to_string();
37
38
39        let mut data = object! {
40            "charset":"UTF-8",
41            "method":method,
42            "app_id":self.appid.clone(),
43            "version":"1.0",
44            "sign_type":"RSA2",
45            "timestamp":timestamp,
46            "app_auth_token":self.app_auth_token.clone(),
47            "sign":sign,
48            "biz_content": biz_content,
49        };
50
51        let mut map = HashMap::new();
52        for (key, value) in data.entries() {
53            if key == "sign" {
54                continue;
55            }
56            if value.is_empty() {
57                continue;
58            }
59            map.insert(key, value);
60        }
61
62        let mut keys: Vec<_> = map.keys().cloned().collect();
63        keys.sort();
64        let mut txt = vec![];
65        for key in keys {
66            txt.push(format!("{}={}", key, map.get(&key).unwrap()));
67        }
68        let txt = txt.join("&");
69        let t = self.app_private.as_bytes().chunks(64).map(|chunk| std::str::from_utf8(chunk).unwrap_or("")).collect::<Vec<&str>>().join("\n");
70        let cart = format!("-----BEGIN PRIVATE KEY-----\n{}\n-----END PRIVATE KEY-----\n", t);
71
72        // 1. 加载私钥
73        let rsa = match Rsa::private_key_from_pem(cart.as_bytes()) {
74            Ok(e) => e,
75            Err(e) => return Err(e.to_string())
76        };
77
78        let pkey = match PKey::from_rsa(rsa) {
79            Ok(e) => e,
80            Err(e) => return Err(e.to_string())
81        };
82
83        // 2. 创建签名器,使用 SHA256
84        let mut signer = match Signer::new(MessageDigest::sha256(), &pkey) {
85            Ok(e) => e,
86            Err(e) => return Err(e.to_string())
87        };
88        match signer.update(txt.as_bytes()) {
89            Ok(()) => {}
90            Err(e) => return Err(e.to_string())
91        };
92        // 3. 生成签名
93        let signature = match signer.sign_to_vec() {
94            Ok(e) => e,
95            Err(e) => return Err(e.to_string())
96        };
97        // 4. Base64 编码输出
98        data["sign"] = general_purpose::STANDARD.encode(signature).into();
99
100        let mut new_data = object! {};
101        for (key, value) in data.entries() {
102            let t = encode(value.to_string().as_str()).to_string();
103            new_data[key] = t.into();
104        }
105        data = new_data;
106        let url = "https://openapi.alipay.com/gateway.do".to_string();
107        let res = match method {
108            "alipay.trade.wap.pay" => {
109                match http.post(url.as_str()).query(data).html() {
110                    Ok(e) => {
111                        return Ok(e.into());
112                    }
113                    Err(e) => {
114                        println!(">>>>>>{}", e);
115                        return Err(e);
116                    }
117                }
118            }
119            _ => {
120                match http.post(url.as_str()).query(data).json() {
121                    Ok(e) => e,
122                    Err(e) => {
123                        println!(">>>>>>{}", e);
124                        return Err(e);
125                    }
126                }
127            }
128        };
129        if res.has_key("error_response") {
130            return Err(res["error_response"]["sub_msg"].to_string());
131        }
132        let key = method.replace(".", "_");
133        let key = format!("{}_response", key);
134        let data = res[key].clone();
135        if data.has_key("code") {
136            if data["code"] != "10000" {
137                Err(data["sub_msg"].to_string())
138            } else {
139                Ok(data)
140            }
141        } else {
142            Err(data.to_string())
143        }
144    }
145}
146impl PayMode for AliPay {
147    fn config(&mut self) -> JsonValue {
148        todo!()
149    }
150
151    fn login(&mut self, code: &str) -> Result<JsonValue, String> {
152        let res = self.http("alipay.system.oauth.token", object! {
153            //grant_type:"authorization_code",
154            code:code
155        })?;
156        Ok(res)
157    }
158
159    fn auth(&mut self, code: &str) -> Result<JsonValue, String> {
160        let res = match self.http("alipay.open.auth.token.app", object! {
161            grant_type:"authorization_code",
162            code:code
163        }) {
164            Ok(e) => e,
165            Err(e) => {
166                error!("Err: {:#}", e);
167                return Err(e);
168            }
169        };
170        //let user_id = res["user_id"].clone();
171        //let auth_app_id = res["auth_app_id"].clone();
172        //let re_expires_in = res["re_expires_in"].clone();
173        //let expires_in = res["expires_in"].clone();
174        //let app_auth_token = res["app_auth_token"].clone();
175        Ok(res)
176    }
177
178    fn pay(&mut self, types: Types, sub_mchid: &str, out_trade_no: &str, description: &str, total_fee: f64, sp_openid: &str) -> Result<JsonValue, String> {
179        let mut api = "";
180        let mut order = object! {
181            out_trade_no:out_trade_no,
182            total_amount:total_fee,
183            subject:description,
184            product_code:"",
185            op_app_id:sub_mchid,
186            buyer_open_id:sp_openid
187        };
188
189        match types {
190            Types::Jsapi => {
191                api = "alipay.trade.create";
192                order["product_code"] = "JSAPI_PAY".into();
193            }
194            Types::H5 => {
195                api = "alipay.trade.wap.pay";
196                order["product_code"] = "QUICK_WAP_WAY".into();
197            }
198            _ => {
199                order["product_code"] = "JSAPI_PAY".into();
200            }
201        };
202
203        match self.http(api, order) {
204            Ok(e) => {
205                Ok(e)
206            }
207            Err(e) => {
208                println!("Err: {:#}", e);
209                Err(e)
210            }
211        }
212    }
213
214    fn jsapi(
215        &mut self,
216        _sub_mchid: &str,
217        out_trade_no: &str,
218        description: &str,
219        total_fee: f64,
220        _notify_url: &str,
221        sp_openid: &str,
222    ) -> Result<JsonValue, String> {
223        self.app_auth_token = "202503BB5aba0791592f4cd9966ba090d36dfX11".to_string();
224        match self.http("alipay.trade.create", object! {
225            out_trade_no:out_trade_no,
226            total_amount:total_fee,
227            subject:description,
228            product_code:"JSAPI_PAY",
229            op_app_id:"2088541900270114",
230            buyer_open_id:sp_openid
231        }) {
232            Ok(e) => {
233                println!("{:#}", e);
234            }
235            Err(e) => {
236                println!("Err: {:#}", e);
237                return Err(e);
238            }
239        };
240
241
242        Ok(object! {})
243    }
244
245    fn close(&mut self, _out_trade_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
246        todo!()
247    }
248
249    fn pay_query(&mut self, _out_trade_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
250        todo!()
251    }
252
253    fn pay_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
254        todo!()
255    }
256
257    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> {
258        todo!()
259    }
260
261    fn refund_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
262        todo!()
263    }
264
265    fn refund_query(&mut self, _out_refund_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
266        todo!()
267    }
268}