Курнат Андрей
30 lines
644 B
Go
30 lines
644 B
Go
package content
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import (
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"context"
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"io"
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provider "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
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"google.golang.org/grpc/metadata"
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)
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// Retriever is the interface that wraps the basic Retrieve method. 🐕
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// It requests and then returns a resource from the underlying storage.
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type Retriever interface {
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Retrieve(ctx context.Context, rID *provider.ResourceId) (io.ReadCloser, error)
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}
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func contextGet(ctx context.Context, k string) (string, bool) {
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md, ok := metadata.FromOutgoingContext(ctx)
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if !ok {
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return "", false
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}
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token, ok := md[k]
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if len(token) == 0 || !ok {
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return "", false
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}
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return token[0], ok
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}
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