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extend/aliyun/oss.go

@@ -0,0 +1,69 @@
+package aliyun
+
+import (
+	"crypto/hmac"
+	"crypto/sha1"
+	"encoding/base64"
+	"encoding/json"
+	"hospital-admin-api/config"
+	"strings"
+	"time"
+)
+
+// GetOssSignResponse 获取oss签名返回值
+type GetOssSignResponse struct {
+	AccessId  string `json:"access_id"` // 主键id
+	Host      string `json:"host"`
+	Policy    string `json:"policy"`
+	Signature string `json:"signature"`
+	Expire    int64  `json:"expire"`
+	Callback  string `json:"callback"`
+	Dir       string `json:"dir"`
+}
+
+// GetOssSign 获取oss签名
+func GetOssSign(dir string) (*GetOssSignResponse, error) {
+	// Endpoint := config.C.Oss.OssEndpoint
+	// accessKey := config.C.Oss.OssAccessKey
+	// accessSecret := config.C.Oss.OssAccessKeySecret
+	// client, err := oss.New(Endpoint, accessKey, accessSecret)
+	// if err != nil {
+	// 	return nil, err
+	// }
+	//
+	// bucket, err := client.Bucket(viper.GetString("aliyun.Bucket"))
+	// if err != nil {
+	// 	return "", err
+	// }
+
+	now := time.Now()
+	expire := 30 // 设置该policy超时时间是30s，即这个policy过了这个有效时间，将不能访问。
+	end := now.Add(time.Second * time.Duration(expire))
+	expiration := strings.Replace(end.Format("2006-01-02T15:04:05.000Z"), "+00:00", ".000Z", 1)
+
+	start := []interface{}{"starts-with", "$key", dir}
+	conditions := [][]interface{}{start}
+
+	arr := map[string]interface{}{
+		"expiration": expiration,
+		"conditions": conditions,
+	}
+	policy, _ := json.Marshal(arr)
+	base64Policy := base64.StdEncoding.EncodeToString(policy)
+	stringToSign := base64Policy
+	h := hmac.New(sha1.New, []byte(config.C.Oss.OssAccessKeySecret))
+	h.Write([]byte(stringToSign))
+	signature := base64.StdEncoding.EncodeToString(h.Sum(nil))
+
+	response := &GetOssSignResponse{
+		AccessId:  config.C.Oss.OssAccessKey,
+		Host:      config.C.Oss.OssCustomDomainName,
+		Policy:    base64Policy,
+		Signature: signature,
+		Expire:    end.Unix(),
+		Callback:  "",
+		Dir:       dir,
+	}
+
+	return response, nil
+}

extend/ca/ca.go

@@ -0,0 +1,36 @@
+package ca
+
+import (
+	"crypto/hmac"
+	"crypto/sha1"
+	"encoding/hex"
+	"hospital-admin-api/config"
+	"sort"
+	"strings"
+)
+
+// GenerateSignature 生成签名
+func GenerateSignature(paramMap map[string]string) string {
+	keys := make([]string, 0, len(paramMap))
+	for k := range paramMap {
+		if k == "pdfFile" {
+			continue
+		}
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+
+	var toSign string
+	for _, k := range keys {
+		v := paramMap[k]
+		toSign += v + "&"
+	}
+	toSign = strings.TrimSuffix(toSign, "&")
+
+	// Step 3: Calculate HMAC-SHA1 and convert to hex format
+	h := hmac.New(sha1.New, []byte(config.C.CaOnline.CaOnlineAppSecret))
+	h.Write([]byte(toSign))
+	signature := hex.EncodeToString(h.Sum(nil))
+
+	return signature
+}

extend/ca/caOnline.go

@@ -0,0 +1,5 @@
+package ca
+
+// func GenerateSi1gnature(paramMap map[string]string, secret string) string {
+//
+// }