51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package service
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import (
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"context"
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"strings"
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"git.apinb.com/bsm-sdk/engine/encipher"
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"git.apinb.com/bsm-sdk/engine/exception"
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"git.apinb.com/bsm-sdk/engine/types"
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"git.apinb.com/bsm-sdk/engine/utils"
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"google.golang.org/grpc/metadata"
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)
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// 解析Context中MetaData的数据
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type ParseOptions struct {
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RoleValue string // 判断角色的值
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MustPrivateAllow bool // 是否只允许私有IP访问
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}
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func ParseMetaCtx(ctx context.Context, opts *ParseOptions) (*types.JwtClaims, error) {
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// 解析metada中的信息并验证
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return nil, exception.ErrAuthNotFound
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}
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var Authorizations []string = md.Get("authorization")
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if len(Authorizations) == 0 || Authorizations[0] == "" {
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return nil, exception.ErrAuthNotFound
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}
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claims, err := encipher.ParseTokenAes(Authorizations[0])
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if err != nil {
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return nil, err
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}
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if opts != nil {
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if !strings.Contains(claims.Role, opts.RoleValue) {
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return nil, exception.ErrPermissionDenied
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}
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if opts.MustPrivateAllow {
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if utils.IsPublicIP(claims.Client) {
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return nil, exception.ErrPermissionDenied
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}
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}
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}
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return claims, nil
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}
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