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61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package auth
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import (
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model "github.com/HFO4/cloudreve/models"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"net/url"
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)
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var (
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ErrAuthFailed = serializer.NewError(serializer.CodeNoRightErr, "鉴权失败", nil)
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ErrExpired = serializer.NewError(serializer.CodeSignExpired, "签名已过期", nil)
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)
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// General 通用的认证接口
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var General Auth
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// Auth 鉴权认证
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type Auth interface {
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// 对给定Body进行签名,expires为0表示永不过期
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Sign(body string, expires int64) string
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// 对给定Body和Sign进行检查
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Check(body string, sign string) error
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}
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// SignURI 对URI进行签名,签名只针对Path部分，query部分不做验证
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func SignURI(uri string, expires int64) (*url.URL, error) {
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base, err := url.Parse(uri)
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if err != nil {
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return nil, err
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}
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// 生成签名
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sign := General.Sign(base.Path, expires)
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// 将签名加到URI中
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queries := base.Query()
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queries.Set("sign", sign)
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base.RawQuery = queries.Encode()
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return base, nil
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}
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// CheckURI 对URI进行鉴权
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func CheckURI(url *url.URL) error {
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//获取待验证的签名正文
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queries := url.Query()
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sign := queries.Get("sign")
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queries.Del("sign")
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url.RawQuery = queries.Encode()
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return General.Check(url.Path, sign)
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}
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// Init 初始化通用鉴权器
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// TODO slave模式下从配置文件获取
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func Init() {
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General = HMACAuth{
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SecretKey: []byte(model.GetSettingByName("secret_key")),
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}
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}
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