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;
13use select::document::Document;
14use select::predicate::Name;
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 http(&mut self, method: &str, biz_content: JsonValue) -> Result<JsonValue, String> {
34        let mut http = br_http::Http::new();
35        let sign = "";
36
37        let now = Local::now();
38        let timestamp = now.format("%Y-%m-%d %H:%M:%S").to_string();
39
40
41        let mut data = object! {
42            "charset":"UTF-8",
43            "method":method,
44            "app_id":self.appid.clone(),
45            "version":"1.0",
46            "sign_type":"RSA2",
47            "timestamp":timestamp,
48            "app_auth_token":self.app_auth_token.clone(),
49            "sign":sign,
50            "biz_content": biz_content,
51        };
52
53        let mut map = HashMap::new();
54        for (key, value) in data.entries() {
55            if key == "sign" {
56                continue;
57            }
58            if value.is_empty() {
59                continue;
60            }
61            map.insert(key, value);
62        }
63
64        let mut keys: Vec<_> = map.keys().cloned().collect();
65        keys.sort();
66        let mut txt = vec![];
67        for key in keys {
68            txt.push(format!("{}={}", key, map.get(&key).unwrap()));
69        }
70        let txt = txt.join("&");
71        let t = self.app_private.as_bytes().chunks(64).map(|chunk| std::str::from_utf8(chunk).unwrap_or("")).collect::<Vec<&str>>().join("\n");
72        let cart = format!("-----BEGIN PRIVATE KEY-----\n{}\n-----END PRIVATE KEY-----\n", t);
73
74        // 1. 加载私钥
75        let rsa = match Rsa::private_key_from_pem(cart.as_bytes()) {
76            Ok(e) => e,
77            Err(e) => return Err(e.to_string())
78        };
79
80        let pkey = match PKey::from_rsa(rsa) {
81            Ok(e) => e,
82            Err(e) => return Err(e.to_string())
83        };
84
85        // 2. 创建签名器,使用 SHA256
86        let mut signer = match Signer::new(MessageDigest::sha256(), &pkey) {
87            Ok(e) => e,
88            Err(e) => return Err(e.to_string())
89        };
90        match signer.update(txt.as_bytes()) {
91            Ok(()) => {}
92            Err(e) => return Err(e.to_string())
93        };
94        // 3. 生成签名
95        let signature = match signer.sign_to_vec() {
96            Ok(e) => e,
97            Err(e) => return Err(e.to_string())
98        };
99        // 4. Base64 编码输出
100        data["sign"] = general_purpose::STANDARD.encode(signature).into();
101
102        let mut new_data = object! {};
103        for (key, value) in data.entries() {
104            let t = encode(value.to_string().as_str()).to_string();
105            new_data[key] = t.into();
106        }
107        data = new_data;
108        let url = "https://openapi.alipay.com/gateway.do".to_string();
109        let res = match method {
110            "alipay.trade.wap.pay" => {
111                let tt = http.get(url.as_str()).query(data);
112                return Ok(tt.url.clone().into());
113                //match http.get(url.as_str()).query(data).html() {
114                //    Ok(e) => {
115                //        return Ok(e.into());
116                //    }
117                //    Err(e) => {
118                //        println!(">>>>>>{}", e);
119                //        return Err(e);
120                //    }
121                //}
122            }
123            _ => {
124                match http.post(url.as_str()).query(data).json() {
125                    Ok(e) => e,
126                    Err(e) => {
127                        println!(">>>>>>{}", e);
128                        return Err(e);
129                    }
130                }
131            }
132        };
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!("{}_response", key);
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}
150impl PayMode for AliPay {
151    fn config(&mut self) -> JsonValue {
152        todo!()
153    }
154
155    fn login(&mut self, code: &str) -> Result<JsonValue, String> {
156        let res = self.http("alipay.system.oauth.token", object! {
157            //grant_type:"authorization_code",
158            code:code
159        })?;
160        Ok(res)
161    }
162
163    fn auth(&mut self, code: &str) -> Result<JsonValue, String> {
164        let res = match self.http("alipay.open.auth.token.app", object! {
165            grant_type:"authorization_code",
166            code:code
167        }) {
168            Ok(e) => e,
169            Err(e) => {
170                error!("Err: {:#}", e);
171                return Err(e);
172            }
173        };
174        //let user_id = res["user_id"].clone();
175        //let auth_app_id = res["auth_app_id"].clone();
176        //let re_expires_in = res["re_expires_in"].clone();
177        //let expires_in = res["expires_in"].clone();
178        //let app_auth_token = res["app_auth_token"].clone();
179        Ok(res)
180    }
181
182    fn pay(&mut self, types: Types, sub_mchid: &str, out_trade_no: &str, description: &str, total_fee: f64, sp_openid: &str) -> Result<JsonValue, String> {
183        let mut api = "";
184        let mut order = object! {
185            out_trade_no:out_trade_no,
186            total_amount:total_fee,
187            subject:description,
188            product_code:"",
189            op_app_id:sub_mchid,
190            buyer_open_id:sp_openid
191        };
192
193        match types {
194            Types::Jsapi => {
195                api = "alipay.trade.create";
196                order["product_code"] = "JSAPI_PAY".into();
197            }
198            Types::H5 => {
199                api = "alipay.trade.wap.pay";
200                order["product_code"] = "QUICK_WAP_WAY".into();
201            }
202            Types::Native => {
203                api = "alipay.trade.wap.pay";
204                order["product_code"] = "QUICK_WAP_WAY".into();
205            }
206            _ => {
207                order["product_code"] = "JSAPI_PAY".into();
208            }
209        };
210
211        match self.http(api, order) {
212            Ok(e) => {
213                match types {
214                    Types::Jsapi => {}
215                    Types::Native => {}
216                    Types::H5 => {
217                        return Ok(object! {url:e});
218                        //let document = Document::from(e.to_string().as_str());
219                        //for meta_tag in document.find(Name("meta")) {
220                        //    if let Some(content) = meta_tag.attr("content") {
221                        //        if let Some(name) = meta_tag.attr("name") {
222                        //            if name == "unio_origin_url" {
223                        //                return Ok(object! {url:content});
224                        //            }
225                        //        }
226                        //    }
227                        //}
228                        //return Ok("".into());
229                    }
230                    Types::MiniJsapi => {}
231                    Types::App => {}
232                    Types::Micropay => {}
233                }
234                Ok(e)
235            }
236            Err(e) => {
237                println!("Err: {:#}", e);
238                Err(e)
239            }
240        }
241    }
242
243    fn jsapi(
244        &mut self,
245        _sub_mchid: &str,
246        out_trade_no: &str,
247        description: &str,
248        total_fee: f64,
249        _notify_url: &str,
250        sp_openid: &str,
251    ) -> Result<JsonValue, String> {
252        self.app_auth_token = "202503BB5aba0791592f4cd9966ba090d36dfX11".to_string();
253        match self.http("alipay.trade.create", object! {
254            out_trade_no:out_trade_no,
255            total_amount:total_fee,
256            subject:description,
257            product_code:"JSAPI_PAY",
258            op_app_id:"2088541900270114",
259            buyer_open_id:sp_openid
260        }) {
261            Ok(e) => {
262                println!("{:#}", e);
263            }
264            Err(e) => {
265                println!("Err: {:#}", e);
266                return Err(e);
267            }
268        };
269
270
271        Ok(object! {})
272    }
273
274    fn close(&mut self, _out_trade_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
275        todo!()
276    }
277
278    fn pay_query(&mut self, _out_trade_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
279        todo!()
280    }
281
282    fn pay_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
283        todo!()
284    }
285
286    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> {
287        todo!()
288    }
289
290    fn refund_notify(&mut self, _nonce: &str, _ciphertext: &str, _associated_data: &str) -> Result<JsonValue, String> {
291        todo!()
292    }
293
294    fn refund_query(&mut self, _out_refund_no: &str, _sub_mchid: &str) -> Result<JsonValue, String> {
295        todo!()
296    }
297}