52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package vivo
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import (
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"context"
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"errors"
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"github.com/ayflying/utility_go/package/pay/common"
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"github.com/gogf/gf/v2/crypto/gmd5"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/util/gconv"
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"sort"
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"strings"
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)
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func (p *Pay) VerifySign(ctx context.Context, key string) bool {
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bm, _ := common.ParseNotifyToBodyMap(g.RequestFromCtx(ctx).Request)
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signature := bm["signature"]
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delete(bm, "signature")
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delete(bm, "signMethod")
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sign := p.sign(bm, key)
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return signature == sign
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}
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func (p *Pay) sign(bm g.Map, key string) string {
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s, _ := p.buildSignStr(bm)
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s += "&" + gmd5.MustEncrypt(key)
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return gmd5.MustEncrypt(s)
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}
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func (p *Pay) buildSignStr(bm g.Map) (string, error) {
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var (
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buf strings.Builder
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keyList []string
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)
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for k := range bm {
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keyList = append(keyList, k)
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}
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sort.Strings(keyList)
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for _, k := range keyList {
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if v := bm[k]; v != "" {
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buf.WriteString(k)
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buf.WriteByte('=')
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buf.WriteString(gconv.String(v))
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buf.WriteByte('&')
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}
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}
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if buf.Len() <= 0 {
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return "", errors.New("length is error")
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}
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return buf.String()[:buf.Len()-1], nil
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}
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