初始

api/hwy/sign/sign.go

@@ -0,0 +1,92 @@
+package sign
+
+import (
+	"crypto"
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/sha1"
+	"crypto/x509"
+	"encoding/base64"
+	"fmt"
+	"log"
+	"net/url"
+	"sort"
+	"strings"
+)
+
+const APPID = "a23b2d45b0214f7ebbe167cd2e490435"
+const PRI_KEY = "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"
+const HOST = "http://openapi.hopewindcloud.com/"
+
+// 对参数进行签名，并为 Map 添加 appid 和 sign 参数
+func SignByRSA(params map[string]string) string {
+	params["appid"] = APPID
+	content := CreateLinkString(params)
+	privateKeyBytes, err := base64.StdEncoding.DecodeString(PRI_KEY)
+	if err != nil {
+		return ""
+	}
+	pkcs8PrivateKey, err := x509.ParsePKCS8PrivateKey(privateKeyBytes)
+	if err != nil {
+		log.Fatalf("Failed to parse PKCS#8 private key: %v", err)
+	}
+	privateKey, ok := pkcs8PrivateKey.(*rsa.PrivateKey)
+	if !ok {
+		log.Fatal("Private key is not of type RSA")
+	}
+	h := sha1.New()
+	_, err = h.Write([]byte(content))
+	if err != nil {
+		fmt.Println(err)
+		return ""
+	}
+	hashed := h.Sum(nil)
+	signed, err := rsa.SignPKCS1v15(rand.Reader, privateKey, crypto.SHA1, hashed)
+	if err != nil {
+		fmt.Println(err)
+		return ""
+	}
+	sign := url.QueryEscape(base64.StdEncoding.EncodeToString(signed))
+	params["sign"] = sign
+	return sign
+}
+
+// paramsFilter 过滤参数
+func paramsFilter(params map[string]interface{}) map[string]string {
+	result := make(map[string]string)
+	if params == nil || len(params) == 0 {
+		return result
+	}
+	for key, value := range params {
+		if value == nil || key == "sign" {
+			continue
+		}
+		result[key] = value.(string)
+	}
+	return result
+}
+
+// createLinkString 创建链接字符串
+func CreateLinkString(params map[string]string) string {
+	if params == nil {
+		return ""
+	}
+	// 排序键
+	keys := make([]string, 0, len(params))
+	for key := range params {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	sb := strings.Builder{}
+	keyLastNum := len(keys) - 1
+	for i, key := range keys {
+		value := params[key]
+		sb.WriteString(key)
+		sb.WriteString("=")
+		sb.WriteString(value)
+		if i != keyLastNum {
+			sb.WriteString("&")
+		}
+	}
+	return sb.String()
+}