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49 lines
857 B
49 lines
857 B
package session |
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import ( |
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"context" |
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"errors" |
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"google.golang.org/grpc/metadata" |
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) |
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const ( |
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UidKey = "uid" |
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) |
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var ( |
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UnauthorizedRequestError = errors.New("unauthorized request") |
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) |
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type RpcSubject struct { |
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Uid string |
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} |
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func NewRpcSubject(uid string) *RpcSubject { |
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return &RpcSubject{ |
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Uid: uid, |
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} |
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} |
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func PutSubject(ctx context.Context, subject *RpcSubject) context.Context { |
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return metadata.NewOutgoingContext(ctx, metadata.Pairs(UidKey, subject.Uid)) |
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} |
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func GetSubject(ctx context.Context) (*RpcSubject, error) { |
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uid, ok := GetUid(ctx) |
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if !ok { |
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return nil, UnauthorizedRequestError |
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} |
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return &RpcSubject{Uid: uid}, nil |
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} |
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func GetUid(ctx context.Context) (string, bool) { |
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md, ok := metadata.FromIncomingContext(ctx) |
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if !ok { |
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return "", false |
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} |
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uids := md.Get(UidKey) |
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if len(uids) == 0 { |
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return "", false |
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} |
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return uids[0], true |
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}
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