br_pay/
alipay.rs

1use br_reqwest::Client;
2use std::collections::{HashMap};
3use base64::{Engine};
4use base64::engine::general_purpose::STANDARD;
5use chrono::{Local};
6use crate::{PayMode, PayNotify, RefundNotify, RefundStatus, TradeState, TradeType, Types};
7use json::{array, object, JsonValue};
8use openssl::hash::MessageDigest;
9use openssl::pkey::{PKey};
10use openssl::rsa::Rsa;
11use openssl::sign::{Signer, Verifier};
12use urlencoding::{decode, encode};
13use log::error;
14
15#[derive(Clone)]
16pub struct AliPay {
17    /// 应用appid
18    pub appid: String,
19    /// 服务商商家号
20    pub sp_mchid: String,
21    /// 授权token
22    pub app_auth_token: String,
23    /// 应用私钥证书路径
24    pub app_private: String,
25    /// 接口内容加密密钥
26    pub content_encryp: String,
27    /// 支付宝公钥
28    pub alipay_public_key: String,
29    pub notify_url: String,
30}
31impl AliPay {
32    pub fn sign(&mut self, txt: &str) -> Result<JsonValue, String> {
33        let t = self.app_private.as_bytes().chunks(64).map(|chunk| std::str::from_utf8(chunk).unwrap_or("")).collect::<Vec<&str>>().join("\n");
34        let cart = format!("-----BEGIN PRIVATE KEY-----\n{t}\n-----END PRIVATE KEY-----\n");
35
36        // 1. 加载私钥
37        let rsa = match Rsa::private_key_from_pem(cart.as_bytes()) {
38            Ok(e) => e,
39            Err(e) => return Err(e.to_string())
40        };
41
42        let pkey = match PKey::from_rsa(rsa) {
43            Ok(e) => e,
44            Err(e) => return Err(e.to_string())
45        };
46
47        // 2. 创建签名器，使用 SHA256
48        let mut signer = match Signer::new(MessageDigest::sha256(), &pkey) {
49            Ok(e) => e,
50            Err(e) => return Err(e.to_string())
51        };
52        match signer.update(txt.as_bytes()) {
53            Ok(()) => {}
54            Err(e) => return Err(e.to_string())
55        };
56        // 3. 生成签名
57        let signature = match signer.sign_to_vec() {
58            Ok(e) => e,
59            Err(e) => return Err(e.to_string())
60        };
61        // 4. Base64 编码输出
62        Ok(STANDARD.encode(signature).into())
63    }
64    pub fn http(&mut self, method: &str, biz_content: JsonValue) -> Result<JsonValue, String> {
65        let mut http = Client::new();
66        //http.debug();
67        let sign = "";
68
69        let now = Local::now();
70        let timestamp = now.format("%Y-%m-%d %H:%M:%S").to_string();
71
72        let mut data = object! {
73                    "charset":"UTF-8",
74                    "method":method,
75                    "app_id":self.appid.clone(),
76                    "app_private_key":self.app_private.clone(),
77                    "version":"1.0",
78                    "sign_type":"RSA2",
79                    "timestamp":timestamp,
80                    "alipay_public_key":self.alipay_public_key.clone(),
81                    "sign":sign
82        };
83        if !self.app_auth_token.is_empty() {
84            data["app_auth_token"] = self.app_auth_token.clone().into();
85        }
86        if method.contains("alipay.trade.") {
87            data["notify_url"] = self.notify_url.clone().into();
88        }
89        for (key, value) in biz_content.entries() {
90            data[key] = value.clone()
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) => return Err(e.to_string())
128                }
129            }
130        };
131
132        let res = res.json()?;
133        if res.has_key("error_response") {
134            return Err(res["error_response"]["sub_msg"].to_string());
135        }
136        let key = method.replace(".", "_");
137        let key = format!("{key}_response");
138        let data = res[key].clone();
139        if data.has_key("code") {
140            if data["code"] != "10000" {
141                Err(data["sub_msg"].to_string())
142            } else {
143                Ok(data)
144            }
145        } else {
146            Err(data.to_string())
147        }
148    }
149    pub fn https(&mut self, method: &str, biz_content: JsonValue) -> Result<JsonValue, String> {
150        let mut http = Client::new();
151        //http.debug();
152        let sign = "";
153
154        let now = Local::now();
155        let timestamp = now.format("%Y-%m-%d %H:%M:%S").to_string();
156
157        let mut data = object! {
158                    "charset":"UTF-8",
159                    "method":method,
160                    "app_id":self.appid.clone(),
161                    "app_private_key":self.app_private.clone(),
162                    "version":"1.0",
163                    "sign_type":"RSA2",
164                    "timestamp":timestamp,
165                    "alipay_public_key":self.alipay_public_key.clone(),
166                    "sign":sign
167        };
168        if !self.app_auth_token.is_empty() {
169            data["app_auth_token"] = self.app_auth_token.clone().into();
170        }
171        if method.contains("alipay.trade.") {
172            data["notify_url"] = self.notify_url.clone().into();
173        }
174        for (key, value) in biz_content.entries() {
175            data[key] = value.clone()
176        }
177        let mut map = HashMap::new();
178        for (key, value) in data.entries() {
179            if key == "sign" {
180                continue;
181            }
182            if value.is_empty() {
183                continue;
184            }
185            map.insert(key, value);
186        }
187
188        let mut keys: Vec<_> = map.keys().cloned().collect();
189        keys.sort();
190        let mut txt = vec![];
191        for key in keys {
192            txt.push(format!("{}={}", key, map.get(&key).unwrap()));
193        }
194        let txt = txt.join("&");
195        data["sign"] = self.sign(&txt)?;
196
197        let mut new_data = object! {};
198        for (key, value) in data.entries() {
199            let t = encode(value.to_string().as_str()).to_string();
200            new_data[key] = t.into();
201        }
202        data = new_data;
203        let url = "https://openapi.alipay.com/gateway.do".to_string();
204        let res = match method {
205            "alipay.trade.wap.pay" => {
206                let tt = http.get(url.as_str()).query(data);
207                return Ok(tt.url.clone().into());
208            }
209            _ => {
210                match http.get(&url).query(data).form_data(biz_content).send() {
211                    Ok(e) => e,
212                    Err(e) => return Err(e.to_string())
213                }
214            }
215        };
216
217        let res = res.json()?;
218        if res.has_key("error_response") {
219            return Err(res["error_response"]["sub_msg"].to_string());
220        }
221        let key = method.replace(".", "_");
222        let key = format!("{key}_response");
223        let data = res[key].clone();
224        Ok(data)
225    }
226}
227impl PayMode for AliPay {
228    fn jsapi_ticket(&mut self, _url: &str) -> Result<JsonValue, String> {
229        todo!()
230    }
231
232    fn get_openid(&mut self, _code: &str) -> Result<JsonValue, String> {
233        todo!()
234    }
235
236    fn get_sub_mchid(&mut self, sub_mchid: &str) -> Result<JsonValue, String> {
237        let res = self.https("alipay.open.agent.signstatus.query", object! {
238            "biz_content":{
239              "pid":sub_mchid,
240            "product_codes":array!["QUICK_WAP_WAY"]   
241            }
242        })?;
243        if !res["code"].eq("10000") {
244            return Err(res["msg"].to_string());
245        }
246        for item in res["sign_status_list"].members() {
247            if item["status"].eq("none") {
248                return Err(format!("{} 未开通", res["product_name"]));
249            }
250        }
251        Ok(true.into())
252    }
253
254    fn notify(&mut self, data: JsonValue) -> Result<JsonValue, String> {
255        let sign = match STANDARD.decode(data["sign"].to_string()) {
256            Ok(e) => e,
257            Err(e) => return Err(format!("decode sign: {e}"))
258        };
259        let mut map = HashMap::new();
260        for (key, value) in data.entries() {
261            if key == "sign" {
262                continue;
263            }
264            if value.is_empty() {
265                continue;
266            }
267            map.insert(key, value);
268        }
269
270        let mut keys: Vec<_> = map.keys().cloned().collect();
271        keys.sort();
272
273        let mut txt = vec![];
274        for key in keys {
275            let value = decode(map.get(&key).unwrap().to_string().as_str()).unwrap().to_string();
276            txt.push(format!("{key}={value}"));
277        }
278        let txt = txt.join("&");
279
280        let public_key_pem = self.alipay_public_key.clone();
281        let public_key_pem = format!("-----BEGIN PUBLIC KEY-----\n{public_key_pem}\n-----END PUBLIC KEY-----\n");
282        let public_key = match PKey::public_key_from_pem(public_key_pem.as_bytes()) {
283            Ok(e) => e,
284            Err(e) => return Err(format!("Invalid public key: {e}"))
285        };
286
287        // 4. 验签
288        let mut verifier = match Verifier::new(MessageDigest::sha256(), &public_key) {
289            Ok(e) => e,
290            Err(e) => return Err(format!("Invalid verifier: {e}"))
291        };
292        match verifier.update(txt.as_bytes()) {
293            Ok(_) => {}
294            Err(_) => return Err("Invalid transaction signature".to_string())
295        };
296
297        let result = match verifier.verify(&sign) {
298            Ok(e) => e,
299            Err(_) => return Err("Invalid transaction signature".to_string())
300        };
301        if !result {
302            return Err("sign error".to_string());
303        }
304        if data.has_key("service") {
305            let service = data["service"].to_string();
306            if service.as_str() == "alipay.service.check" {
307                let sign_txt = "<success>true</success>";
308                let sign = self.sign(sign_txt)?;
309                let text = format!(r#"<?xml version="1.0" encoding="GBK"?><alipay><response><success>true</success></response><sign>{sign}</sign><sign_type>RSA2</sign_type></alipay>"#);
310                return Ok(JsonValue::String(text));
311            }
312        }
313        Ok(result.into())
314    }
315
316    fn config(&mut self) -> JsonValue {
317        todo!()
318    }
319
320    fn login(&mut self, code: &str) -> Result<JsonValue, String> {
321        let res = self.https("alipay.system.oauth.token", object! {
322            "grant_type":"authorization_code",
323            "code":code
324        })?;
325        Ok(res)
326    }
327
328    fn auth(&mut self, code: &str) -> Result<JsonValue, String> {
329        let biz_content = object! {
330            "biz_content":{
331                "grant_type":"authorization_code",
332                "code":code
333            }
334        };
335        let res = match self.http("alipay.open.auth.token.app", biz_content) {
336            Ok(e) => e,
337            Err(e) => {
338                error!("Err: {e:#}");
339                return Err(e);
340            }
341        };
342
343        let data = object! {
344            data:res.clone(),
345            user_id : res["user_id"].clone(),
346            auth_app_id : res["auth_app_id"].clone(),
347            re_expires_in :res["re_expires_in"].clone(),
348            app_auth_token:res["app_auth_token"].clone(),
349            app_refresh_token:res["app_refresh_token"].clone()
350        };
351        Ok(data)
352    }
353
354    fn pay(&mut self, types: Types, sub_mchid: &str, out_trade_no: &str, description: &str, total_fee: f64, sp_openid: &str) -> Result<JsonValue, String> {
355        let mut api = "";
356        let mut order = object! {
357            out_trade_no:out_trade_no,
358            total_amount:total_fee,
359            subject:description,
360            product_code:"JSAPI_PAY",
361            op_app_id:sub_mchid,
362            buyer_open_id:sp_openid
363        };
364
365        match types {
366            Types::MiniJsapi => {
367                api = "alipay.trade.create";
368                order["product_code"] = "JSAPI_PAY".into();
369                order["op_app_id"] = self.appid.clone().into();
370                order["buyer_open_id"] = sp_openid.into();
371                self.app_auth_token = "".to_string();
372            }
373            Types::Jsapi => {
374                api = "alipay.trade.create";
375                order["product_code"] = "JSAPI_PAY".into();
376            }
377            Types::H5 => {
378                api = "alipay.trade.wap.pay";
379                order["product_code"] = "QUICK_WAP_WAY".into();
380            }
381            Types::Native => {
382                api = "alipay.trade.wap.pay";
383                order["product_code"] = "QUICK_WAP_WAY".into();
384            }
385            _ => {
386                order["product_code"] = "JSAPI_PAY".into();
387            }
388        };
389        match self.http(api, object! {"biz_content":order}) {
390            Ok(e) => {
391                match types {
392                    Types::Jsapi => {}
393                    Types::Native => {}
394                    Types::H5 => {
395                        return Ok(object! {url:e});
396                    }
397                    Types::MiniJsapi => {
398                        println!("alipay.trade.wap.pay:{e:#}");
399                        return Ok(e);
400                    }
401                    Types::App => {}
402                    Types::Micropay => {}
403                }
404                Ok(e)
405            }
406            Err(e) => {
407                println!("Err: {e:#}");
408                Err(e)
409            }
410        }
411    }
412
413    fn micropay(&mut self, auth_code: &str, sub_mchid: &str, out_trade_no: &str, description: &str, total_fee: f64, org_openid: &str, _ip: &str) -> Result<JsonValue, String> {
414        let order = object! {
415            out_trade_no:out_trade_no,
416            total_amount:total_fee,
417            subject:description,
418            seller_id:sub_mchid,
419            auth_code:auth_code,
420            scene:"bar_code",
421            operator_id:org_openid,
422        };
423
424        match self.http("alipay.trade.create", object! {"biz_content":order}) {
425            Ok(e) => {
426                Ok(e)
427            }
428            Err(e) => {
429                println!("Err: {e:#}");
430                Err(e)
431            }
432        }
433    }
434
435
436    fn close(&mut self, out_trade_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
437        let order = object! {
438              "biz_content"=> object! {
439                out_trade_no:out_trade_no,
440                operator_id:sub_mchid
441              }
442        };
443        match self.http("alipay.trade.close", order) {
444            Ok(_) => {
445                Ok(true.into())
446            }
447            Err(e) => {
448                if e.contains("交易不存在") {
449                    return Ok(true.into());
450                }
451                Err(e)
452            }
453        }
454    }
455
456    fn pay_query(&mut self, out_trade_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
457        let order = object! {
458              "biz_content"=> object! {
459               out_trade_no:out_trade_no
460              }
461        };
462        match self.http("alipay.trade.query", order) {
463            Ok(e) => {
464                if e.has_key("code") && e["code"].as_str().unwrap() != "10000" {
465                    return Err(e["msg"].to_string());
466                }
467                let buyer_open_id = if e.has_key("buyer_open_id") {
468                    e["buyer_open_id"].to_string()
469                } else {
470                    e["buyer_user_id"].to_string()
471                };
472                let res = PayNotify {
473                    trade_type: TradeType::None,
474                    out_trade_no: e["out_trade_no"].to_string(),
475                    sp_mchid: "".to_string(),
476                    sub_mchid: sub_mchid.to_string(),
477                    sp_appid: "".to_string(),
478                    transaction_id: e["trade_no"].to_string(),
479                    success_time: PayNotify::alipay_time(e["send_pay_date"].as_str().unwrap()),
480                    sp_openid: buyer_open_id.clone(),
481                    sub_openid: buyer_open_id.clone(),
482                    total: (e["total_amount"].to_string().parse::<f64>().unwrap_or(0.0)),
483                    payer_total: (e["total_amount"].to_string().parse::<f64>().unwrap_or(0.0)),
484                    currency: "CNY".to_string(),
485                    payer_currency: "CNY".to_string(),
486                    trade_state: TradeState::from(e["trade_status"].as_str().unwrap()),
487                };
488                Ok(res.json())
489            }
490            Err(e) => Err(e)
491        }
492    }
493
494    fn pay_micropay_query(&mut self, _out_trade_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
495        todo!()
496    }
497
498    fn pay_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
499        todo!()
500    }
501
502    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> {
503        let body = object! {
504            "biz_content"=> object! {
505                "trade_no"=>transaction_id,
506                "out_trade_no"=>out_trade_no,
507                "out_request_no"=>out_refund_no,
508                "refund_amount"=>format!("{:.2}",amount),
509            }
510        };
511        match self.http("alipay.trade.refund", body.clone()) {
512            Ok(e) => {
513                if e.has_key("code") && e["code"].as_str().unwrap() != "10000" {
514                    return Err(e["msg"].to_string());
515                }
516                let res = RefundNotify {
517                    out_trade_no: e["out_trade_no"].to_string(),
518                    refund_no: out_refund_no.to_string(),
519                    sp_mchid: "".to_string(),
520                    sub_mchid: sub_mchid.to_string(),
521                    transaction_id: e["trade_no"].to_string(),
522                    refund_id: out_refund_no.to_string(),
523                    success_time: PayNotify::alipay_time(e["gmt_refund_pay"].as_str().unwrap()),
524                    total,
525                    refund: e["refund_fee"].to_string().parse::<f64>().unwrap(),
526                    payer_total: e["refund_fee"].to_string().parse::<f64>().unwrap(),
527                    payer_refund: e["send_back_fee"].to_string().parse::<f64>().unwrap(),
528                    status: RefundStatus::from(e["fund_change"].as_str().unwrap()),
529                };
530                Ok(res.json())
531            }
532            Err(e) => Err(e)
533        }
534    }
535
536    fn micropay_refund(&mut self, _sub_mchid: &str, _out_trade_no: &str, _transaction_id: &str, _out_refund_no: &str, _amount: f64, _total: f64, _currency: &str, _refund_text: &str) -> Result<JsonValue, String> {
537        todo!()
538    }
539
540    fn refund_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
541        todo!()
542    }
543
544    fn refund_query(&mut self, trade_no: &str, out_refund_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
545        let body = object! {
546             "biz_content"=> object! {
547               "out_request_no"=>out_refund_no,
548            "trade_no"=>trade_no,
549             }
550        };
551        match self.http("alipay.trade.fastpay.refund.query", body.clone()) {
552            Ok(e) => {
553                if e.has_key("code") && e["code"].as_str().unwrap() != "10000" {
554                    return Err(e["msg"].to_string());
555                }
556                let res = RefundNotify {
557                    out_trade_no: e["out_trade_no"].to_string(),
558                    refund_no: e["out_request_no"].to_string(),
559                    sp_mchid: "".to_string(),
560                    sub_mchid: sub_mchid.to_string(),
561                    transaction_id: e["trade_no"].to_string(),
562                    refund_id: e["out_request_no"].to_string(),
563                    success_time: Local::now().timestamp(),
564                    total: e["total_amount"].to_string().parse::<f64>().unwrap(),
565                    payer_total: e["total_amount"].to_string().parse::<f64>().unwrap(),
566                    refund: e["refund_amount"].to_string().parse::<f64>().unwrap(),
567                    payer_refund: e["refund_amount"].to_string().parse::<f64>().unwrap(),
568                    status: RefundStatus::from(e["refund_status"].as_str().unwrap()),
569                };
570                Ok(res.json())
571            }
572            Err(e) => Err(e)
573        }
574    }
575
576    fn incoming(&mut self, _business_code: &str, _contact_info: JsonValue, _subject_info: JsonValue, _business_info: JsonValue, _settlement_info: JsonValue, _bank_account_info: JsonValue) -> Result<JsonValue, String> {
577        todo!()
578    }
579}
br_pay/alipay.rs

br_pay/
alipay.rs
