商户注销资格校验

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/ecommerce/account/apply-cancel-withdraw/validate-cancel/1900000109 \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" 
5

1package com.java.demo;
2
3import com.java.utils.WXPayUtility; // 引用微信支付工具库，参考：https://pay.weixin.qq.com/doc/v3/partner/4014985777
4
5import com.google.gson.annotations.SerializedName;
6import com.google.gson.annotations.Expose;
7import okhttp3.MediaType;
8import okhttp3.OkHttpClient;
9import okhttp3.Request;
10import okhttp3.RequestBody;
11import okhttp3.Response;
12
13import java.io.IOException;
14import java.io.UncheckedIOException;
15import java.security.PrivateKey;
16import java.security.PublicKey;
17import java.util.ArrayList;
18import java.util.HashMap;
19import java.util.List;
20import java.util.Map;
21
22/**
23 * 商户注销资格校验
24 */
25public class ValidateCancel {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/ecommerce/account/apply-cancel-withdraw/validate-cancel/{sub_mchid}";
29
30  public static void main(String[] args) {
31    // TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
32    ValidateCancel client = new ValidateCancel(
33      "19xxxxxxxx",                    // 商户号，是由微信支付系统生成并分配给每个商户的唯一标识符，商户号获取方式参考 https://pay.weixin.qq.com/doc/v3/partner/4013080340
34      "1DDE55AD98Exxxxxxxxxx",         // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/partner/4013058924
35      "/path/to/apiclient_key.pem",     // 商户API证书私钥文件路径，本地文件路径
36      "PUB_KEY_ID_xxxxxxxxxxxxx",      // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/partner/4013038589
37      "/path/to/wxp_pub.pem"           // 微信支付公钥文件路径，本地文件路径
38    );
39
40    ValidateCancelRequest request = new ValidateCancelRequest();
41    request.subMchid = "1900000109";
42    try {
43      ValidateCancelResponse response = client.run(request);
44        // TODO: 请求成功，继续业务逻辑
45        System.out.println(response);
46    } catch (WXPayUtility.ApiException e) {
47        // TODO: 请求失败，根据状态码执行不同的逻辑
48        e.printStackTrace();
49    }
50  }
51
52  public ValidateCancelResponse run(ValidateCancelRequest request) {
53    String uri = PATH;
54    uri = uri.replace("{sub_mchid}", WXPayUtility.urlEncode(request.subMchid));
55
56    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
57    reqBuilder.addHeader("Accept", "application/json");
58    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
59    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
60    reqBuilder.method(METHOD, null);
61    Request httpRequest = reqBuilder.build();
62
63    // 发送HTTP请求
64    OkHttpClient client = new OkHttpClient.Builder().build();
65    try (Response httpResponse = client.newCall(httpRequest).execute()) {
66      String respBody = WXPayUtility.extractBody(httpResponse);
67      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
68        // 2XX 成功，验证应答签名
69        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
70            httpResponse.headers(), respBody);
71
72        // 从HTTP应答报文构建返回数据
73        return WXPayUtility.fromJson(respBody, ValidateCancelResponse.class);
74      } else {
75        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
76      }
77    } catch (IOException e) {
78      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
79    }
80  }
81
82  private final String mchid;
83  private final String certificateSerialNo;
84  private final PrivateKey privateKey;
85  private final String wechatPayPublicKeyId;
86  private final PublicKey wechatPayPublicKey;
87
88  public ValidateCancel(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
89    this.mchid = mchid;
90    this.certificateSerialNo = certificateSerialNo;
91    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
92    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
93    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
94  }
95
96  public static class ValidateCancelRequest {
97    @SerializedName("sub_mchid")
98    @Expose(serialize = false)
99    public String subMchid;
100  }
101  
102  public static class ValidateCancelResponse {
103    @SerializedName("sub_mchid")
104    public String subMchid;
105  
106    @SerializedName("merchant_state")
107    public MerchantState merchantState;
108  
109    @SerializedName("validate_result")
110    public ValidateCancelResult validateResult;
111  
112    @SerializedName("account_info")
113    public List<AccountInfo> accountInfo;
114  
115    @SerializedName("block_reasons")
116    public List<BlockCancelReasonInfo> blockReasons;
117  }
118  
119  public enum MerchantState {
120    @SerializedName("NORMAL")
121    NORMAL,
122    @SerializedName("HAS_BEEN_CANCELLED")
123    HAS_BEEN_CANCELLED
124  }
125  
126  public enum ValidateCancelResult {
127    @SerializedName("ALLOW_CANCEL_WITHDRAW")
128    ALLOW_CANCEL_WITHDRAW,
129    @SerializedName("NOT_ALLOW_CANCEL_WITHDRAW")
130    NOT_ALLOW_CANCEL_WITHDRAW
131  }
132  
133  public static class AccountInfo {
134    @SerializedName("out_account_type")
135    public OutAccountType outAccountType;
136  
137    @SerializedName("amount")
138    public Long amount;
139  }
140  
141  public static class BlockCancelReasonInfo {
142    @SerializedName("type")
143    public BlockCancelReasonType type;
144  
145    @SerializedName("description")
146    public String description;
147  }
148  
149  public enum OutAccountType {
150    @SerializedName("BASIC_ACCOUNT")
151    BASIC_ACCOUNT,
152    @SerializedName("OPERATE_ACCOUNT")
153    OPERATE_ACCOUNT,
154    @SerializedName("MARGIN_ACCOUNT")
155    MARGIN_ACCOUNT,
156    @SerializedName("TRADE_FEE_ACCOUNT")
157    TRADE_FEE_ACCOUNT
158  }
159  
160  public enum BlockCancelReasonType {
161    @SerializedName("CONSUMER_COMPLAINT_UNPROCESSED")
162    CONSUMER_COMPLAINT_UNPROCESSED,
163    @SerializedName("HAS_BLOCKING_CONTROL")
164    HAS_BLOCKING_CONTROL,
165    @SerializedName("FUNDS_PENDING_PROCESSING")
166    FUNDS_PENDING_PROCESSING,
167    @SerializedName("OTHER_REASON")
168    OTHER_REASON
169  }
170  
171}
172

1package main
2
3import (
4	"demo/wxpay_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/v3/partner/4015119446
5	"encoding/json"
6	"fmt"
7	"net/http"
8	"net/url"
9	"strings"
10)
11
12func main() {
13	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
14	config, err := wxpay_utility.CreateMchConfig(
15		"19xxxxxxxx",                 // 商户号，是由微信支付系统生成并分配给每个商户的唯一标识符，商户号获取方式参考 https://pay.weixin.qq.com/doc/v3/partner/4013080340
16		"1DDE55AD98Exxxxxxxxxx",      // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/partner/4013058924
17		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
18		"PUB_KEY_ID_xxxxxxxxxxxxx",   // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/partner/4013038589
19		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
20	)
21	if err != nil {
22		fmt.Println(err)
23		return
24	}
25
26	request := &ValidateCancelRequest{
27		SubMchid: wxpay_utility.String("1900000109"),
28	}
29
30	response, err := ValidateCancel(config, request)
31	if err != nil {
32		fmt.Printf("请求失败: %+v\n", err)
33		// TODO: 请求失败，根据状态码执行不同的处理
34		return
35	}
36
37	// TODO: 请求成功，继续业务逻辑
38	fmt.Printf("请求成功: %+v\n", response)
39}
40
41func ValidateCancel(config *wxpay_utility.MchConfig, request *ValidateCancelRequest) (response *ValidateCancelResponse, err error) {
42	const (
43		host   = "https://api.mch.weixin.qq.com"
44		method = "GET"
45		path   = "/v3/ecommerce/account/apply-cancel-withdraw/validate-cancel/{sub_mchid}"
46	)
47
48	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
49	if err != nil {
50		return nil, err
51	}
52	reqUrl.Path = strings.Replace(reqUrl.Path, "{sub_mchid}", url.PathEscape(*request.SubMchid), -1)
53	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
54	if err != nil {
55		return nil, err
56	}
57	httpRequest.Header.Set("Accept", "application/json")
58	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
59	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
60	if err != nil {
61		return nil, err
62	}
63	httpRequest.Header.Set("Authorization", authorization)
64
65	client := &http.Client{}
66	httpResponse, err := client.Do(httpRequest)
67	if err != nil {
68		return nil, err
69	}
70	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
71	if err != nil {
72		return nil, err
73	}
74	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
75		// 2XX 成功，验证应答签名
76		err = wxpay_utility.ValidateResponse(
77			config.WechatPayPublicKeyId(),
78			config.WechatPayPublicKey(),
79			&httpResponse.Header,
80			respBody,
81		)
82		if err != nil {
83			return nil, err
84		}
85		response := &ValidateCancelResponse{}
86		if err := json.Unmarshal(respBody, response); err != nil {
87			return nil, err
88		}
89
90		return response, nil
91	} else {
92		return nil, wxpay_utility.NewApiException(
93			httpResponse.StatusCode,
94			httpResponse.Header,
95			respBody,
96		)
97	}
98}
99
100type ValidateCancelRequest struct {
101	SubMchid *string `json:"sub_mchid,omitempty"`
102}
103
104func (o *ValidateCancelRequest) MarshalJSON() ([]byte, error) {
105	type Alias ValidateCancelRequest
106	a := &struct {
107		SubMchid *string `json:"sub_mchid,omitempty"`
108		*Alias
109	}{
110		// 序列化时移除非 Body 字段
111		SubMchid: nil,
112		Alias:    (*Alias)(o),
113	}
114	return json.Marshal(a)
115}
116
117type ValidateCancelResponse struct {
118	SubMchid       *string                 `json:"sub_mchid,omitempty"`
119	MerchantState  *MerchantState          `json:"merchant_state,omitempty"`
120	ValidateResult *ValidateCancelResult   `json:"validate_result,omitempty"`
121	AccountInfo    []AccountInfo           `json:"account_info,omitempty"`
122	BlockReasons   []BlockCancelReasonInfo `json:"block_reasons,omitempty"`
123}
124
125type MerchantState string
126
127func (e MerchantState) Ptr() *MerchantState {
128	return &e
129}
130
131const (
132	MERCHANTSTATE_NORMAL             MerchantState = "NORMAL"
133	MERCHANTSTATE_HAS_BEEN_CANCELLED MerchantState = "HAS_BEEN_CANCELLED"
134)
135
136type ValidateCancelResult string
137
138func (e ValidateCancelResult) Ptr() *ValidateCancelResult {
139	return &e
140}
141
142const (
143	VALIDATECANCELRESULT_ALLOW_CANCEL_WITHDRAW     ValidateCancelResult = "ALLOW_CANCEL_WITHDRAW"
144	VALIDATECANCELRESULT_NOT_ALLOW_CANCEL_WITHDRAW ValidateCancelResult = "NOT_ALLOW_CANCEL_WITHDRAW"
145)
146
147type AccountInfo struct {
148	OutAccountType *OutAccountType `json:"out_account_type,omitempty"`
149	Amount         *int64          `json:"amount,omitempty"`
150}
151
152type BlockCancelReasonInfo struct {
153	Type        *BlockCancelReasonType `json:"type,omitempty"`
154	Description *string                `json:"description,omitempty"`
155}
156
157type OutAccountType string
158
159func (e OutAccountType) Ptr() *OutAccountType {
160	return &e
161}
162
163const (
164	OUTACCOUNTTYPE_BASIC_ACCOUNT     OutAccountType = "BASIC_ACCOUNT"
165	OUTACCOUNTTYPE_OPERATE_ACCOUNT   OutAccountType = "OPERATE_ACCOUNT"
166	OUTACCOUNTTYPE_MARGIN_ACCOUNT    OutAccountType = "MARGIN_ACCOUNT"
167	OUTACCOUNTTYPE_TRADE_FEE_ACCOUNT OutAccountType = "TRADE_FEE_ACCOUNT"
168)
169
170type BlockCancelReasonType string
171
172func (e BlockCancelReasonType) Ptr() *BlockCancelReasonType {
173	return &e
174}
175
176const (
177	BLOCKCANCELREASONTYPE_CONSUMER_COMPLAINT_UNPROCESSED BlockCancelReasonType = "CONSUMER_COMPLAINT_UNPROCESSED"
178	BLOCKCANCELREASONTYPE_HAS_BLOCKING_CONTROL           BlockCancelReasonType = "HAS_BLOCKING_CONTROL"
179	BLOCKCANCELREASONTYPE_FUNDS_PENDING_PROCESSING       BlockCancelReasonType = "FUNDS_PENDING_PROCESSING"
180	BLOCKCANCELREASONTYPE_OTHER_REASON                   BlockCancelReasonType = "OTHER_REASON"
181)
182