br_pay/
alipay.rs

1use br_reqwest::Client;
2use std::collections::{HashMap};
3use base64::{Engine};
4use base64::engine::general_purpose;
5use base64::engine::general_purpose::STANDARD;
6use chrono::{Local};
7use crate::{PayMode, PayNotify, RefundNotify, RefundStatus, TradeState, TradeType, Types};
8use json::{object, JsonValue};
9use openssl::hash::MessageDigest;
10use openssl::pkey::{PKey};
11use openssl::rsa::Rsa;
12use openssl::sign::{Signer, Verifier};
13use urlencoding::{decode, encode};
14use log::error;
15
16#[derive(Clone)]
17pub struct AliPay {
18    /// 应用appid
19    pub appid: String,
20    /// 服务商商家号
21    pub sp_mchid: String,
22    /// 授权token
23    pub app_auth_token: String,
24    /// 应用私钥证书路径
25    pub app_private: String,
26    /// 接口内容加密密钥
27    pub content_encryp: String,
28    /// 支付宝公钥
29    pub alipay_public_key: String,
30    pub notify_url: String,
31}
32impl AliPay {
33    pub fn sign(&mut self, txt: &str) -> Result<JsonValue, String> {
34        let t = self.app_private.as_bytes().chunks(64).map(|chunk| std::str::from_utf8(chunk).unwrap_or("")).collect::<Vec<&str>>().join("\n");
35        let cart = format!("-----BEGIN PRIVATE KEY-----\n{}\n-----END PRIVATE KEY-----\n", t);
36
37        // 1. 加载私钥
38        let rsa = match Rsa::private_key_from_pem(cart.as_bytes()) {
39            Ok(e) => e,
40            Err(e) => return Err(e.to_string())
41        };
42
43        let pkey = match PKey::from_rsa(rsa) {
44            Ok(e) => e,
45            Err(e) => return Err(e.to_string())
46        };
47
48        // 2. 创建签名器，使用 SHA256
49        let mut signer = match Signer::new(MessageDigest::sha256(), &pkey) {
50            Ok(e) => e,
51            Err(e) => return Err(e.to_string())
52        };
53        match signer.update(txt.as_bytes()) {
54            Ok(()) => {}
55            Err(e) => return Err(e.to_string())
56        };
57        // 3. 生成签名
58        let signature = match signer.sign_to_vec() {
59            Ok(e) => e,
60            Err(e) => return Err(e.to_string())
61        };
62        // 4. Base64 编码输出
63        Ok(general_purpose::STANDARD.encode(signature).into())
64    }
65    pub fn http(&mut self, method: &str, biz_content: JsonValue) -> Result<JsonValue, String> {
66        let mut http = Client::new();
67        //http.debug();
68        let sign = "";
69
70        let now = Local::now();
71        let timestamp = now.format("%Y-%m-%d %H:%M:%S").to_string();
72
73        let mut data = object! {
74                    "charset":"UTF-8",
75                    "method":method,
76                    "app_id":self.appid.clone(),
77                    "app_private_key":self.app_private.clone(),
78                    "version":"1.0",
79                    "sign_type":"RSA2",
80                    "timestamp":timestamp,
81                    "alipay_public_key":self.alipay_public_key.clone(),
82                    "app_auth_token":self.app_auth_token.clone(),
83                    "sign":sign
84        };
85        if method.contains("alipay.trade.") {
86            data["notify_url"] = self.notify_url.clone().into();
87        }
88        for (key, value) in biz_content.entries() {
89            data[key] = value.clone()
90        }
91
92        let mut map = HashMap::new();
93        for (key, value) in data.entries() {
94            if key == "sign" {
95                continue;
96            }
97            if value.is_empty() {
98                continue;
99            }
100            map.insert(key, value);
101        }
102
103        let mut keys: Vec<_> = map.keys().cloned().collect();
104        keys.sort();
105        let mut txt = vec![];
106        for key in keys {
107            txt.push(format!("{}={}", key, map.get(&key).unwrap()));
108        }
109        let txt = txt.join("&");
110        data["sign"] = self.sign(&txt)?;
111
112        let mut new_data = object! {};
113        for (key, value) in data.entries() {
114            let t = encode(value.to_string().as_str()).to_string();
115            new_data[key] = t.into();
116        }
117        data = new_data;
118        let url = "https://openapi.alipay.com/gateway.do".to_string();
119        let res = match method {
120            "alipay.trade.wap.pay" => {
121                let tt = http.get(url.as_str()).query(data);
122                return Ok(tt.url.clone().into());
123            }
124            _ => {
125                match http.get(&url).query(data).form_data(biz_content).send() {
126                    Ok(e) => e,
127                    Err(e) => {
128                        return Err(e.to_string())
129                    }
130                }
131            }
132        };
133
134        let res = res.json()?;
135
136        if res.has_key("error_response") {
137            return Err(res["error_response"]["sub_msg"].to_string());
138        }
139        let key = method.replace(".", "_");
140        let key = format!("{}_response", key);
141        let data = res[key].clone();
142        if data.has_key("code") {
143            if data["code"] != "10000" {
144                Err(data["sub_msg"].to_string())
145            } else {
146                Ok(data)
147            }
148        } else {
149            Err(data.to_string())
150        }
151    }
152}
153impl PayMode for AliPay {
154    fn notify(&mut self, data: JsonValue) -> Result<JsonValue, String> {
155        let sign = match STANDARD.decode(data["sign"].to_string()) {
156            Ok(e) => e,
157            Err(e) => return Err(format!("decode sign: {}", e))
158        };
159        let mut map = HashMap::new();
160        for (key, value) in data.entries() {
161            if key == "sign" {
162                continue;
163            }
164            if value.is_empty() {
165                continue;
166            }
167            map.insert(key, value);
168        }
169
170        let mut keys: Vec<_> = map.keys().cloned().collect();
171        keys.sort();
172
173        let mut txt = vec![];
174        for key in keys {
175            let value = decode(map.get(&key).unwrap().to_string().as_str()).unwrap().to_string();
176            txt.push(format!("{}={}", key, value));
177        }
178        let txt = txt.join("&");
179
180        let public_key_pem = self.alipay_public_key.clone();
181        let public_key_pem = format!("-----BEGIN PUBLIC KEY-----\n{}\n-----END PUBLIC KEY-----\n", public_key_pem);
182        let public_key = match PKey::public_key_from_pem(public_key_pem.as_bytes()) {
183            Ok(e) => e,
184            Err(e) => return Err(format!("Invalid public key: {}", e))
185        };
186
187        // 4. 验签
188        let mut verifier = match Verifier::new(MessageDigest::sha256(), &public_key) {
189            Ok(e) => e,
190            Err(e) => return Err(format!("Invalid verifier: {}", e))
191        };
192        match verifier.update(txt.as_bytes()) {
193            Ok(_) => {}
194            Err(_) => return Err("Invalid transaction signature".to_string())
195        };
196
197        let result = match verifier.verify(&sign) {
198            Ok(e) => e,
199            Err(_) => return Err("Invalid transaction signature".to_string())
200        };
201        if !result {
202            return Err("sign error".to_string());
203        }
204        if data.has_key("service") {
205            let service = data["service"].to_string();
206            if service.as_str() == "alipay.service.check" {
207                let sign_txt = "<success>true</success>";
208                let sign = self.sign(sign_txt)?;
209                let text = format!(r#"<?xml version="1.0" encoding="GBK"?><alipay><response><success>true</success></response><sign>{}</sign><sign_type>RSA2</sign_type></alipay>"#, sign);
210                return Ok(JsonValue::String(text));
211            }
212        }
213        Ok(result.into())
214    }
215
216    fn config(&mut self) -> JsonValue {
217        todo!()
218    }
219
220    fn login(&mut self, code: &str) -> Result<JsonValue, String> {
221        let res = self.http("alipay.system.oauth.token", object! {
222            "grant_type":"authorization_code",
223            "code":code
224        })?;
225        println!(">>>>{:#}", res);
226        Ok(res)
227    }
228
229    fn auth(&mut self, code: &str) -> Result<JsonValue, String> {
230        let res = match self.http("alipay.open.auth.token.app", object! {
231            grant_type:"authorization_code",
232            code:code
233        }) {
234            Ok(e) => e,
235            Err(e) => {
236                error!("Err: {:#}", e);
237                return Err(e);
238            }
239        };
240        println!(">>>>{:#}", res);
241        //let user_id = res["user_id"].clone();
242        //let auth_app_id = res["auth_app_id"].clone();
243        //let re_expires_in = res["re_expires_in"].clone();
244        //let expires_in = res["expires_in"].clone();
245        //let app_auth_token = res["app_auth_token"].clone();
246        Ok(res)
247    }
248
249    fn pay(&mut self, types: Types, sub_mchid: &str, out_trade_no: &str, description: &str, total_fee: f64, sp_openid: &str) -> Result<JsonValue, String> {
250        let mut api = "";
251        let mut order = object! {
252            out_trade_no:out_trade_no,
253            total_amount:total_fee,
254            subject:description,
255            product_code:"",
256            op_app_id:sub_mchid,
257            buyer_open_id:sp_openid
258        };
259
260        match types {
261            Types::Jsapi => {
262                api = "alipay.trade.create";
263                order["product_code"] = "JSAPI_PAY".into();
264            }
265            Types::H5 => {
266                api = "alipay.trade.wap.pay";
267                order["product_code"] = "QUICK_WAP_WAY".into();
268            }
269            Types::Native => {
270                api = "alipay.trade.wap.pay";
271                order["product_code"] = "QUICK_WAP_WAY".into();
272            }
273            _ => {
274                order["product_code"] = "JSAPI_PAY".into();
275            }
276        };
277
278        match self.http(api, object! {"biz_content":order}) {
279            Ok(e) => {
280                match types {
281                    Types::Jsapi => {}
282                    Types::Native => {}
283                    Types::H5 => {
284                        return Ok(object! {url:e});
285                    }
286                    Types::MiniJsapi => {}
287                    Types::App => {}
288                    Types::Micropay => {}
289                }
290                Ok(e)
291            }
292            Err(e) => {
293                println!("Err: {:#}", e);
294                Err(e)
295            }
296        }
297    }
298
299
300    fn close(&mut self, _out_trade_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
301        todo!()
302    }
303
304    fn pay_query(&mut self, out_trade_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
305        let order = object! {
306              "biz_content"=> object! {
307               out_trade_no:out_trade_no
308              }
309        };
310        match self.http("alipay.trade.query", order) {
311            Ok(e) => {
312                if e.has_key("code") && e["code"].as_str().unwrap() != "10000" {
313                    return Err(e["msg"].to_string());
314                }
315                let res = PayNotify {
316                    trade_type: TradeType::None,
317                    out_trade_no: e["out_trade_no"].to_string(),
318                    sp_mchid: "".to_string(),
319                    sub_mchid: sub_mchid.to_string(),
320                    sp_appid: "".to_string(),
321                    transaction_id: e["trade_no"].to_string(),
322                    success_time: PayNotify::alipay_time(e["send_pay_date"].as_str().unwrap()),
323                    sp_openid: e["buyer_open_id"].to_string(),
324                    sub_openid: e["buyer_open_id"].to_string(),
325                    total: (e["total_amount"].to_string().parse::<f64>().unwrap_or(0.0) * 100.0) as usize,
326                    payer_total: (e["total_amount"].to_string().parse::<f64>().unwrap_or(0.0) * 100.0) as usize,
327                    currency: "CNY".to_string(),
328                    payer_currency: "CNY".to_string(),
329                    trade_state: TradeState::from(e["trade_status"].as_str().unwrap()),
330                };
331                Ok(res.json())
332            }
333            Err(e) => {
334                println!("Err: {:#}", e);
335                Err(e)
336            }
337        }
338    }
339
340    fn pay_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
341        todo!()
342    }
343
344    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> {
345        let body = object! {
346            "biz_content"=> object! {
347                "trade_no"=>transaction_id,
348                "out_trade_no"=>out_trade_no,
349                "out_request_no"=>out_refund_no,
350                "refund_amount"=>format!("{:.2}",amount),
351            }
352        };
353        match self.http("alipay.trade.refund", body.clone()) {
354            Ok(e) => {
355                if e.has_key("code") && e["code"].as_str().unwrap() != "10000" {
356                    return Err(e["msg"].to_string());
357                }
358                let res = RefundNotify {
359                    out_trade_no: e["out_trade_no"].to_string(),
360                    refund_no: out_refund_no.to_string(),
361                    sp_mchid: "".to_string(),
362                    sub_mchid: sub_mchid.to_string(),
363                    transaction_id: e["trade_no"].to_string(),
364                    refund_id: out_refund_no.to_string(),
365                    success_time: PayNotify::alipay_time(e["gmt_refund_pay"].as_str().unwrap()),
366                    total,
367                    refund: e["refund_fee"].to_string().parse::<f64>().unwrap(),
368                    payer_total: e["refund_fee"].to_string().parse::<f64>().unwrap(),
369                    payer_refund: e["send_back_fee"].to_string().parse::<f64>().unwrap(),
370                    status: RefundStatus::from(e["fund_change"].as_str().unwrap()),
371                };
372                Ok(res.json())
373            }
374            Err(e) => Err(e)
375        }
376    }
377
378    fn refund_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
379        todo!()
380    }
381
382    fn refund_query(&mut self, trade_no: &str, out_refund_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
383        let body = object! {
384             "biz_content"=> object! {
385               "out_request_no"=>out_refund_no,
386            "trade_no"=>trade_no,
387             }
388        };
389        match self.http("alipay.trade.fastpay.refund.query", body.clone()) {
390            Ok(e) => {
391                if e.has_key("code") && e["code"].as_str().unwrap() != "10000" {
392                    return Err(e["msg"].to_string());
393                }
394                let res = RefundNotify {
395                    out_trade_no: e["out_trade_no"].to_string(),
396                    refund_no: e["out_request_no"].to_string(),
397                    sp_mchid: "".to_string(),
398                    sub_mchid: sub_mchid.to_string(),
399                    transaction_id: e["trade_no"].to_string(),
400                    refund_id: e["out_request_no"].to_string(),
401                    success_time: Local::now().timestamp(),
402                    total: e["total_amount"].to_string().parse::<f64>().unwrap(),
403                    payer_total: e["total_amount"].to_string().parse::<f64>().unwrap(),
404                    refund: e["refund_amount"].to_string().parse::<f64>().unwrap(),
405                    payer_refund: e["refund_amount"].to_string().parse::<f64>().unwrap(),
406                    status: RefundStatus::from(e["refund_status"].as_str().unwrap()),
407                };
408                Ok(res.json())
409            }
410            Err(e) => Err(e)
411        }
412    }
413}
br_pay/alipay.rs

br_pay/
alipay.rs
