forked from TrueCloudLab/frostfs-node
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package common
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import (
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"github.com/TrueCloudLab/frostfs-sdk-go/bearer"
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"github.com/spf13/cobra"
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)
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// ReadBearerToken reads bearer token from the path provided in a specified flag.
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func ReadBearerToken(cmd *cobra.Command, flagname string) *bearer.Token {
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path, err := cmd.Flags().GetString(flagname)
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ExitOnErr(cmd, "", err)
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if len(path) == 0 {
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return nil
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}
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PrintVerbose("Reading bearer token from file [%s]...", path)
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var tok bearer.Token
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err = ReadBinaryOrJSON(&tok, path)
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ExitOnErr(cmd, "invalid bearer token: %v", err)
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return &tok
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}
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// BinaryOrJSON is an interface of entities which provide json.Unmarshaler
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// and NeoFS binary decoder.
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type BinaryOrJSON interface {
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Unmarshal([]byte) error
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json.Unmarshaler
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}
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// ReadBinaryOrJSON reads file data using provided path and decodes
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// BinaryOrJSON from the data.
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func ReadBinaryOrJSON(dst BinaryOrJSON, fPath string) error {
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PrintVerbose("Reading file [%s]...", fPath)
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// try to read session token from file
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data, err := os.ReadFile(fPath)
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if err != nil {
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return fmt.Errorf("read file <%s>: %w", fPath, err)
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}
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PrintVerbose("Trying to decode binary...")
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err = dst.Unmarshal(data)
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if err != nil {
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PrintVerbose("Failed to decode binary: %v", err)
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PrintVerbose("Trying to decode JSON...")
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err = dst.UnmarshalJSON(data)
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if err != nil {
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PrintVerbose("Failed to decode JSON: %v", err)
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return errors.New("invalid format")
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}
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}
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return nil
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}
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