br_pay/
wechat.rs

1use std::collections::HashMap;
2use crate::{PayMode, PayNotify, RefundNotify, RefundStatus, TradeState, TradeType, Types};
3use base64::engine::general_purpose::STANDARD;
4use base64::{Engine};
5use json::{object, JsonValue};
6use aes_gcm::{Aes256Gcm, Key, KeyInit, Nonce};
7use aes_gcm::aead::{Aead, Payload};
8use br_reqwest::Method;
9
10
11#[derive(Clone, Debug)]
12pub struct Wechat {
13    /// 服务商APPID
14    pub appid: String,
15    /// 服务商户号
16    pub sp_mchid: String,
17    /// 证书号
18    pub serial_no: String,
19    /// API证书私钥
20    pub app_private: String,
21    /// APIv3密钥
22    pub apikey: String,
23    /// APIv2密钥
24    pub apiv2: String,
25    pub notify_url: String,
26
27}
28
29use chrono::{DateTime, Local, Utc};
30use log::error;
31use openssl::hash::MessageDigest;
32use openssl::pkey::{PKey};
33use openssl::rsa::Rsa;
34use openssl::sign::Signer;
35use rand::distr::Alphanumeric;
36use rand::{rng, Rng};
37
38impl Wechat {
39    pub fn http(&mut self, url: &str, method: Method, body: JsonValue) -> Result<JsonValue, String> {
40        let sign = self.sign(method.to_str().to_uppercase().as_str(), url, body.to_string().as_str())?;
41        let mut http = br_reqwest::Client::new();
42        let url = format!("https://api.mch.weixin.qq.com{url}");
43        let send = match method {
44            Method::GET => http.get(url.as_str()),
45            Method::POST => http.post(url.as_str()).raw_json(body),
46            _ => http.post(url.as_str()),
47        };
48        match send.header("Accept", "application/json").header("User-Agent", "api").header("Content-Type", "application/json").header("Authorization", sign.as_str()).send()?.json() {
49            Ok(e) => Ok(e),
50            Err(e) => Err(e)
51        }
52    }
53
54    pub fn sign_v2(&mut self, body: JsonValue) -> Result<String, String> {
55        let mut map = HashMap::new();
56        for (key, value) in body.entries() {
57            if key == "sign" {
58                continue;
59            }
60            if value.is_empty() {
61                continue;
62            }
63            map.insert(key, value);
64        }
65        let mut keys: Vec<_> = map.keys().cloned().collect();
66        keys.sort();
67        let mut txt = vec![];
68        for key in keys {
69            txt.push(format!("{}={}", key, map.get(&key).unwrap()));
70        }
71        let txt = txt.join("&");
72        let string_sign_temp = format!("{}&key={}", txt, self.apiv2);
73
74        let sign = br_crypto::md5::encrypt_hex(string_sign_temp.as_bytes()).to_uppercase();
75        Ok(sign)
76    }
77
78    pub fn sign(&mut self, method: &str, url: &str, body: &str) -> Result<String, String> {
79        let timestamp = Utc::now().timestamp(); // 秒级时间戳
80        let random_string: String = rng().sample_iter(&Alphanumeric) // 生成随机字母+数字
81                                         .take(10) // 指定长度
82                                         .map(char::from).collect();
83
84        let sign_txt = format!("{method}\n{url}\n{timestamp}\n{random_string}\n{body}\n");
85        if self.app_private.contains("-----BEGIN PRIVATE KEY-----") {
86            self.app_private = self.app_private.replace("-----BEGIN PRIVATE KEY-----", "");
87            self.app_private = self.app_private.replace("-----END PRIVATE KEY-----", "");
88            self.app_private = self.app_private.replace(" ", "");
89            self.app_private = self.app_private.replace("\n", "");
90            self.app_private = self.app_private.trim().to_string();
91        }
92        let mut formatted = String::from("-----BEGIN PRIVATE KEY-----\n");
93        for chunk in self.app_private.as_bytes().chunks(64) {
94            formatted.push_str(&String::from_utf8_lossy(chunk));
95            formatted.push('\n');
96        }
97        formatted.push_str("-----END PRIVATE KEY-----\n");
98        self.app_private = formatted;
99
100        // 加载 RSA 私钥
101        let rsa = match Rsa::private_key_from_pem(self.app_private.as_bytes()) {
102            Ok(e) => e,
103            Err(e) => {
104                return Err(format!("加载RSA私钥失败: {e}"));
105            }
106        };
107        let pkey = match PKey::from_rsa(rsa) {
108            Ok(e) => e,
109            Err(e) => {
110                return Err(format!("Failed to create PKey: {e}"))
111            }
112        };
113        // 创建签名器
114        let mut signer = match Signer::new(MessageDigest::sha256(), &pkey) {
115            Ok(e) => e,
116            Err(e) => {
117                return Err(format!("Failed to create signer:{e}"));
118            }
119        };
120        // 输入待签名数据
121        match signer.update(sign_txt.as_bytes()) {
122            Ok(_) => {}
123            Err(e) => {
124                return Err(e.to_string())
125            }
126        };
127        // 生成签名
128        let signature = match signer.sign_to_vec() {
129            Ok(e) => e,
130            Err(e) => {
131                return Err(format!("Failed to sign: {e}"));
132            }
133        };
134        let signature_b64 = STANDARD.encode(signature);
135        let sign = format!(
136            r#"WECHATPAY2-SHA256-RSA2048 mchid="{}",nonce_str="{random_string}",signature="{signature_b64}",timestamp="{timestamp}",serial_no="{}""#,
137            self.sp_mchid.as_str(),
138            self.serial_no
139        );
140        Ok(sign)
141    }
142
143    pub fn paysign(&mut self, prepay_id: &str) -> Result<JsonValue, String> {
144        let timestamp = Utc::now().timestamp(); // 秒级时间戳
145        let random_string: String = rng().sample_iter(&Alphanumeric) // 生成随机字母+数字
146                                         .take(10) // 指定长度
147                                         .map(char::from).collect();
148
149        let sign_txt = format!(
150            "{}\n{timestamp}\n{random_string}\n{prepay_id}\n",
151            self.appid
152        );
153
154        // 加载 RSA 私钥
155        let rsa = match Rsa::private_key_from_pem(self.app_private.as_bytes()) {
156            Ok(e) => e,
157            Err(e) => {
158                return Err(e.to_string())
159            }
160        };
161        let pkey = match PKey::from_rsa(rsa) {
162            Ok(e) => e,
163            Err(e) => {
164                return Err(format!("Failed to create PKey: {e}"))
165            }
166        };
167        // 创建签名器
168        let mut signer = match Signer::new(MessageDigest::sha256(), &pkey) {
169            Ok(e) => e,
170            Err(e) => {
171                return Err(format!("Failed to create signer:{e}"));
172            }
173        };
174        // 输入待签名数据
175        match signer.update(sign_txt.as_bytes()) {
176            Ok(_) => {}
177            Err(e) => {
178                return Err(e.to_string())
179            }
180        };
181        // 生成签名
182        let signature = match signer.sign_to_vec() {
183            Ok(e) => e,
184            Err(e) => {
185                return Err(format!("Failed to sign: {e}"));
186            }
187        };
188        let signature_b64 = STANDARD.encode(signature);
189        let sign = signature_b64;
190        Ok(object! {
191            timeStamp:timestamp,
192            nonceStr:random_string,
193            package:prepay_id,
194            signType:"RSA",
195            paySign:sign
196        })
197    }
198}
199impl PayMode for Wechat {
200    fn check(&mut self) -> Result<bool, String> {
201        let timestamp = Utc::now().timestamp(); // 获取微秒级时间戳
202        let now = Local::now();
203        let formatted = now.format("%Y%m%d").to_string();
204        let order_no = format!("test_{formatted}_{timestamp}");
205        match self.clone().pay("", Types::MiniJsapi, self.sp_mchid.as_str(), order_no.as_str(), "测试", 0.01, "") {
206            Ok(_) => Ok(true),
207            Err(e) => {
208                if e.contains("受理机构发起支付时, 子商户mchid不能与自身mchid相同") {
209                    return Ok(true);
210                }
211                Ok(false)
212            }
213        }
214    }
215
216    fn get_sub_mchid(&mut self, sub_mchid: &str) -> Result<JsonValue, String> {
217        let url = format!("/v3/apply4sub/sub_merchants/{sub_mchid}/settlement");
218        let res = self.http(url.as_str(), Method::GET, "".into())?;
219        if res.has_key("verify_result") && res["verify_result"] == "VERIFY_SUCCESS" {
220            return Ok(true.into());
221        }
222        Err(res.to_string())
223    }
224
225 
226
227    fn config(&mut self) -> JsonValue {
228        todo!()
229    }
230
231
232    fn pay(&mut self, _channel: &str, types: Types, sub_mchid: &str, out_trade_no: &str, description: &str, total_fee: f64, sp_openid: &str) -> Result<JsonValue, String> {
233        let url = match types {
234            Types::Jsapi => "/v3/pay/partner/transactions/jsapi",
235            Types::Native => "/v3/pay/partner/transactions/native",
236            Types::H5 => "/v3/pay/partner/transactions/h5",
237            Types::MiniJsapi => "/v3/pay/partner/transactions/jsapi",
238            Types::App => "/v3/pay/partner/transactions/app",
239            Types::Micropay => "/pay/micropay"
240        };
241        let total = format!("{:.0}", total_fee * 100.0);
242        let mut body = object! {
243            "sp_appid" => self.appid.clone(),
244            "sp_mchid"=> self.sp_mchid.clone(),
245            "sub_mchid"=> sub_mchid,
246            "description"=>description,
247            "out_trade_no"=>out_trade_no,
248            "notify_url"=>self.notify_url.clone(),
249            "support_fapiao"=>true,
250            "amount"=>object! {
251                total: total.parse::<i64>().unwrap(),
252                currency:"CNY"
253            }
254        };
255        match types {
256            Types::Native => {}
257            _ => {
258                body["payer"] = object! {
259                sp_openid:sp_openid
260            };
261            }
262        };
263        match self.http(url, Method::POST, body) {
264            Ok(e) => {
265                match types {
266                    Types::Native => {
267                        if e.has_key("code_url") {
268                            Ok(e["code_url"].clone())
269                        } else {
270                            Err(e["message"].to_string())
271                        }
272                    }
273                    Types::Jsapi | Types::MiniJsapi => {
274                        if e.has_key("prepay_id") {
275                            let signinfo = self.paysign(format!("prepay_id={}", e["prepay_id"]).as_str())?;
276                            Ok(signinfo)
277                        } else {
278                            Err(e["message"].to_string())
279                        }
280                    }
281                    _ => {
282                        Ok(e)
283                    }
284                }
285            }
286            Err(e) => Err(e),
287        }
288    }
289
290    fn micropay(&mut self, _channel: &str, auth_code: &str, sub_mchid: &str, out_trade_no: &str, description: &str, total_fee: f64, org_openid: &str, ip: &str) -> Result<JsonValue, String> {
291        let url = "/pay/micropay";
292        let total = format!("{:.0}", total_fee * 100.0);
293
294        let nonce_str: String = rand::rng().sample_iter(&Alphanumeric).take(32).map(char::from).collect();
295
296        let mut body = object! {
297            "appid": self.appid.clone(),
298            "mch_id"=> self.sp_mchid.clone(),
299            "sub_mch_id"=> sub_mchid,
300            "nonce_str"=>nonce_str,
301            "body"=> description,
302            "out_trade_no"=>out_trade_no,
303            "total_fee"=>total.parse::<i64>().unwrap(),
304            "fee_type":"CNY",
305            "spbill_create_ip":ip,
306            "device_info":org_openid,
307            "auth_code":auth_code
308        };
309        body["sign"] = self.sign_v2(body.clone())?.into();
310        let mut xml = vec!["<xml>".to_owned()];
311        for (key, value) in body.entries() {
312            let t = format!("<{}>{}</{00}>", key, value.clone().clone());
313            xml.push(t);
314        }
315        xml.push("</xml>".to_owned());
316        let xml = xml.join("");
317        let mut http = br_reqwest::Client::new();
318        match http.post(format!("https://api.mch.weixin.qq.com{url}").as_str()).header("Content-Type", "application/xml").raw_xml(xml.into()).send()?.xml() {
319            Ok(e) => Ok(e),
320            Err(e) => Err(e),
321        }
322    }
323
324    fn close(&mut self, out_trade_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
325        let url = format!("/v3/pay/partner/transactions/out-trade-no/{out_trade_no}/close");
326        let body = object! {
327            "sp_mchid"=> self.sp_mchid.clone(),
328            "sub_mchid"=> sub_mchid
329        };
330        match self.http(&url, Method::POST, body) {
331            Ok(_) => Ok(true.into()),
332            Err(e) => Err(e)
333        }
334    }
335
336    fn pay_query(&mut self, out_trade_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
337        let url = format!(
338            "/v3/pay/partner/transactions/out-trade-no/{}?sub_mchid={}&sp_mchid={}",
339            out_trade_no, sub_mchid, self.sp_mchid
340        );
341        match self.http(&url, Method::GET, "".into()) {
342            Ok(e) => {
343                if e.has_key("message") {
344                    return Err(e["message"].to_string());
345                }
346                let res = PayNotify {
347                    trade_type: TradeType::from(e["trade_type"].to_string().as_str()),
348                    out_trade_no: e["out_trade_no"].as_str().unwrap().to_string(),
349                    sp_mchid: e["sp_mchid"].as_str().unwrap().to_string(),
350                    sub_mchid: e["sub_mchid"].as_str().unwrap().to_string(),
351                    sp_appid: e["sp_appid"].as_str().unwrap().to_string(),
352                    transaction_id: e["transaction_id"].to_string(),
353                    success_time: PayNotify::success_time(e["success_time"].as_str().unwrap_or("")),
354                    sp_openid: e["payer"]["sp_openid"].to_string(),
355                    sub_openid: e["payer"]["sub_openid"].to_string(),
356                    total: e["amount"]["total"].as_f64().unwrap_or(0.0) / 100.0,
357                    currency: e["amount"]["currency"].to_string(),
358                    payer_total: e["amount"]["payer_total"].as_f64().unwrap_or(0.0) / 100.0,
359                    payer_currency: e["amount"]["payer_currency"].to_string(),
360                    trade_state: TradeState::from(e["trade_state"].as_str().unwrap()),
361                };
362                Ok(res.json())
363            }
364            Err(e) => Err(e),
365        }
366    }
367
368    fn pay_micropay_query(&mut self, out_trade_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
369        let nonce_str: String = rand::rng().sample_iter(&Alphanumeric).take(32).map(char::from).collect();
370        let mut body = object! {
371            "appid": self.appid.clone(),
372            "mch_id"=> self.sp_mchid.clone(),
373            "sub_mch_id"=> sub_mchid,
374            "nonce_str"=>nonce_str,
375            "out_trade_no"=>out_trade_no
376        };
377        body["sign"] = self.sign_v2(body.clone())?.into();
378        let mut xml = vec!["<xml>".to_owned()];
379        for (key, value) in body.entries() {
380            let t = format!("<{}>{}</{00}>", key, value.clone().clone());
381            xml.push(t);
382        }
383        xml.push("</xml>".to_owned());
384        let xml = xml.join("");
385        let mut http = br_reqwest::Client::new();
386        match http.post("https://api.mch.weixin.qq.com/pay/orderquery".to_string().as_str()).header("Content-Type", "application/xml").raw_xml(xml.into()).send()?.xml() {
387            Ok(e) => {
388                if e.has_key("result_code") && e["result_code"] != "SUCCESS" {
389                    error!("pay_micropay_query: {e:#}");
390                    return Err(e["return_msg"].to_string());
391                }
392
393                let res = PayNotify {
394                    trade_type: TradeType::from(e["trade_type"].to_string().as_str()),
395                    out_trade_no: e["out_trade_no"].as_str().unwrap().to_string(),
396                    sp_mchid: e["mch_id"].as_str().unwrap().to_string(),
397                    sub_mchid: e["sub_mch_id"].as_str().unwrap().to_string(),
398                    sp_appid: e["appid"].as_str().unwrap().to_string(),
399                    transaction_id: e["transaction_id"].to_string(),
400                    success_time: PayNotify::datetime_to_timestamp(e["time_end"].as_str().unwrap_or(""), "%Y%m%d%H%M%S"),
401                    sp_openid: e["device_info"].to_string(),
402                    sub_openid: e["openid"].to_string(),
403                    total: e["total_fee"].to_string().parse::<f64>().unwrap_or(0.0) / 100.0,
404                    currency: e["fee_type"].to_string(),
405                    payer_total: e["cash_fee"].to_string().parse::<f64>().unwrap_or(0.0) / 100.0,
406                    payer_currency: e["cash_fee_type"].to_string(),
407                    trade_state: TradeState::from(e["trade_state"].as_str().unwrap()),
408                };
409                Ok(res.json())
410            }
411            Err(e) => Err(e),
412        }
413    }
414    fn pay_notify(&mut self, nonce: &str, ciphertext: &str, associated_data: &str) -> Result<JsonValue, String> {
415        if self.apikey.is_empty() {
416            return Err("apikey 不能为空".to_string());
417        }
418        let key = Key::<Aes256Gcm>::from_slice(self.apikey.as_bytes());
419        let cipher = Aes256Gcm::new(key);
420        let nonce = Nonce::from_slice(nonce.as_bytes());
421        let data = match STANDARD.decode(ciphertext) {
422            Ok(e) => e,
423            Err(e) => return Err(format!("Invalid data received from API :{e}"))
424        };
425        // 组合 Payload（带 aad）
426        let payload = Payload {
427            msg: &data,
428            aad: associated_data.as_bytes(),
429        };
430
431        // 解密
432        let plaintext = match cipher.decrypt(nonce, payload) {
433            Ok(e) => e,
434            Err(e) => {
435                return Err(format!("解密 API:{e}"));
436            }
437        };
438        let rr = match String::from_utf8(plaintext) {
439            Ok(d) => d,
440            Err(_) => return Err("utf8 error".to_string())
441        };
442        let json = match json::parse(rr.as_str()) {
443            Ok(e) => e,
444            Err(_) => return Err("json error".to_string())
445        };
446        let res = PayNotify {
447            trade_type: TradeType::from(json["trade_type"].as_str().unwrap()),
448            out_trade_no: json["out_trade_no"].as_str().unwrap().to_string(),
449            sp_mchid: json["sp_mchid"].as_str().unwrap().to_string(),
450            sub_mchid: json["sub_mchid"].as_str().unwrap().to_string(),
451            sp_appid: json["sp_appid"].as_str().unwrap().to_string(),
452            transaction_id: json["transaction_id"].as_str().unwrap().to_string(),
453            success_time: PayNotify::success_time(json["success_time"].as_str().unwrap_or("")),
454            sp_openid: json["payer"]["sp_openid"].as_str().unwrap().to_string(),
455            sub_openid: json["payer"]["sub_openid"].as_str().unwrap().to_string(),
456            total: json["amount"]["total"].to_string().parse::<f64>().unwrap_or(0.0) / 100.0,
457            payer_total: json["amount"]["payer_total"].to_string().parse::<f64>().unwrap_or(0.0) / 100.0,
458            currency: json["amount"]["currency"].to_string(),
459            payer_currency: json["amount"]["payer_currency"].to_string(),
460            trade_state: TradeState::from(json["trade_state"].as_str().unwrap()),
461        };
462        Ok(res.json())
463    }
464
465    fn refund(
466        &mut self,
467        sub_mchid: &str,
468        out_trade_no: &str,
469        transaction_id: &str,
470        out_refund_no: &str,
471        amount: f64,
472        total: f64,
473        currency: &str,
474    ) -> Result<JsonValue, String> {
475        let url = "/v3/refund/domestic/refunds";
476
477        let refund = format!("{:.0}", amount * 100.0);
478        let total = format!("{:.0}", total * 100.0);
479
480        let body = object! {
481            "sub_mchid"=> sub_mchid,
482            "transaction_id"=>transaction_id,
483            "out_trade_no"=>out_trade_no,
484            "out_refund_no"=>out_refund_no,
485            "amount"=>object! {
486                refund: refund.parse::<i64>().unwrap(),
487                total: total.parse::<i64>().unwrap(),
488                currency:currency
489            }
490        };
491        match self.http(url, Method::POST, body) {
492            Ok(e) => {
493                if e.is_empty() {
494                    return Err("已执行".to_string());
495                }
496                if e.has_key("message") {
497                    return Err(e["message"].to_string());
498                }
499                let mut refund_time = 0.0;
500                if e.has_key("success_time") {
501                    let success_time = e["success_time"].as_str().unwrap_or("").to_string();
502                    if !success_time.is_empty() {
503                        let datetime = DateTime::parse_from_rfc3339(success_time.as_str()).unwrap();
504                        refund_time = datetime.timestamp() as f64;
505                    }
506                }
507
508                let status = match e["status"].as_str().unwrap() {
509                    "PROCESSING" => "退款中",
510                    "SUCCESS" => "已退款",
511                    _ => "无退款",
512                };
513                let info = object! {
514                    refund_id: e["refund_id"].clone(),
515                    user_received_account:e["user_received_account"].clone(),
516                    status:status,
517                    refund_time:refund_time,
518                    out_refund_no: e["out_refund_no"].clone(),
519                };
520                Ok(info)
521            }
522            Err(e) => Err(e)
523        }
524    }
525
526    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> {
527        let refund = format!("{:.0}", amount * 100.0);
528        let total = format!("{:.0}", total * 100.0);
529
530
531        let nonce_str: String = rand::rng().sample_iter(&Alphanumeric).take(32).map(char::from).collect();
532        let mut body = object! {
533            "appid": self.appid.clone(),
534            "mch_id"=> self.sp_mchid.clone(),
535            "sub_mch_id"=> sub_mchid,
536            "nonce_str"=>nonce_str,
537            "out_trade_no"=>out_trade_no,
538            "transaction_id"=>transaction_id,
539            "out_refund_no"=>out_refund_no,
540            "total_fee"=>total,
541            "refund_fee"=>refund,
542            "refund_fee_type"=> currency,
543            "refund_desc"=>refund_text
544        };
545        body["sign"] = self.sign_v2(body.clone())?.into();
546        let mut xml = vec!["<xml>".to_owned()];
547        for (key, value) in body.entries() {
548            let t = format!("<{}>{}</{00}>", key, value.clone().clone());
549            xml.push(t);
550        }
551        xml.push("</xml>".to_owned());
552        let xml = xml.join("");
553        let mut http = br_reqwest::Client::new();
554        match http.post("https://api.mch.weixin.qq.com/secapi/pay/refund".to_string().as_str()).header("Content-Type", "application/xml").raw_xml(xml.into()).send()?.xml() {
555            Ok(e) => {
556                println!("{e:#}");
557                if e.is_empty() {
558                    return Err("已执行".to_string());
559                }
560                if e.has_key("message") {
561                    return Err(e["message"].to_string());
562                }
563                let mut refund_time = 0.0;
564                if e.has_key("success_time") {
565                    let success_time = e["success_time"].as_str().unwrap_or("").to_string();
566                    if !success_time.is_empty() {
567                        let datetime = DateTime::parse_from_rfc3339(success_time.as_str()).unwrap();
568                        refund_time = datetime.timestamp() as f64;
569                    }
570                }
571
572                let status = match e["status"].as_str().unwrap() {
573                    "PROCESSING" => "退款中",
574                    "SUCCESS" => "已退款",
575                    _ => "无退款",
576                };
577                let info = object! {
578                    refund_id: e["refund_id"].clone(),
579                    user_received_account:e["user_received_account"].clone(),
580                    status:status,
581                    refund_time:refund_time,
582                    out_refund_no: e["out_refund_no"].clone(),
583                };
584                Ok(info)
585            }
586            Err(e) => Err(e),
587        }
588    }
589
590    fn refund_notify(&mut self, nonce: &str, ciphertext: &str, associated_data: &str) -> Result<JsonValue, String> {
591        if self.apikey.is_empty() {
592            return Err("apikey 不能为空".to_string());
593        }
594        let key = Key::<Aes256Gcm>::from_slice(self.apikey.as_bytes());
595        let cipher = Aes256Gcm::new(key);
596        let nonce = Nonce::from_slice(nonce.as_bytes());
597        let data = match STANDARD.decode(ciphertext) {
598            Ok(e) => e,
599            Err(e) => return Err(format!("Invalid data received from API :{e}"))
600        };
601        // 组合 Payload（带 aad）
602        let payload = Payload {
603            msg: &data,
604            aad: associated_data.as_bytes(),
605        };
606
607        // 解密
608        let plaintext = match cipher.decrypt(nonce, payload) {
609            Ok(e) => e,
610            Err(e) => {
611                return Err(format!("解密 API:{e}"));
612            }
613        };
614        let rr = match String::from_utf8(plaintext) {
615            Ok(d) => d,
616            Err(_) => return Err("utf8 error".to_string())
617        };
618        let json = match json::parse(rr.as_str()) {
619            Ok(e) => e,
620            Err(_) => return Err("json error".to_string())
621        };
622        let res = RefundNotify {
623            out_trade_no: json["out_trade_no"].to_string(),
624            refund_no: json["out_refund_no"].to_string(),
625            refund_id: json["refund_id"].to_string(),
626            sp_mchid: json["sp_mchid"].as_str().unwrap().to_string(),
627            sub_mchid: json["sub_mchid"].as_str().unwrap().to_string(),
628            transaction_id: json["transaction_id"].as_str().unwrap().to_string(),
629            success_time: PayNotify::success_time(json["success_time"].as_str().unwrap_or("")),
630            total: json["amount"]["total"].as_f64().unwrap_or(0.0) / 100.0,
631            refund: json["amount"]["refund"].as_f64().unwrap_or(0.0) / 100.0,
632            payer_total: json["amount"]["payer_total"].as_f64().unwrap() / 100.0,
633            payer_refund: json["amount"]["payer_refund"].as_f64().unwrap() / 100.0,
634            status: RefundStatus::from(json["refund_status"].as_str().unwrap()),
635        };
636        Ok(res.json())
637    }
638
639    fn refund_query(&mut self, _trade_no: &str, out_refund_no: &str, sub_mchid: &str) -> Result<JsonValue, String> {
640        let url = format!("/v3/refund/domestic/refunds/{out_refund_no}?sub_mchid={sub_mchid}");
641        match self.http(&url, Method::GET, "".into()) {
642            Ok(e) => {
643                if e.is_empty() {
644                    return Err("已执行".to_string());
645                }
646                if e.has_key("message") {
647                    return Err(e["message"].to_string());
648                }
649
650
651                let res = RefundNotify {
652                    out_trade_no: e["out_trade_no"].to_string(),
653                    refund_no: e["out_refund_no"].to_string(),
654                    sp_mchid: "".to_string(),
655                    sub_mchid: sub_mchid.to_string(),
656                    transaction_id: e["transaction_id"].to_string(),
657                    refund_id: e["refund_id"].to_string(),
658                    success_time: PayNotify::success_time(e["success_time"].as_str().unwrap_or("")),
659                    total: e["amount"]["total"].to_string().parse::<f64>().unwrap(),
660                    payer_total: e["amount"]["total"].to_string().parse::<f64>().unwrap(),
661                    refund: e["amount"]["refund"].to_string().parse::<f64>().unwrap(),
662                    payer_refund: e["amount"]["refund"].to_string().parse::<f64>().unwrap(),
663                    status: RefundStatus::from(e["status"].as_str().unwrap()),
664                };
665
666                Ok(res.json())
667            }
668            Err(e) => Err(e),
669        }
670    }
671
672    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> {
673        let contact_info_data = object! {
674            // 超级管理员类型 LEGAL: 经营者/法人 SUPER: 经办人
675            contact_type:contact_info["contact_type"].clone(),
676            contact_name:contact_info["contact_name"].clone(),
677        };
678
679        let body = object! {
680            business_code:business_code,
681            contact_info:contact_info_data
682        };
683        println!("{body:#}");
684        match self.http("/v3/applyment4sub/applyment/", Method::POST, body) {
685            Ok(e) => {
686                println!("{e:#}");
687                if e.is_empty() {
688                    return Err("已执行".to_string());
689                }
690                if e.has_key("message") {
691                    return Err(e["message"].to_string());
692                }
693                Ok(e)
694            }
695            Err(e) => Err(e),
696        }
697    }
698}
br_pay/wechat.rs

br_pay/
wechat.rs
