97 lines
2.2 KiB
Go
97 lines
2.2 KiB
Go
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package flag
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import (
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"forge.cadoles.com/cadoles/bouncer/internal/format"
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"forge.cadoles.com/cadoles/bouncer/internal/format/table"
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"github.com/pkg/errors"
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"github.com/urfave/cli/v2"
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)
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func ComposeFlags(flags ...cli.Flag) []cli.Flag {
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baseFlags := []cli.Flag{
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&cli.StringFlag{
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Name: "server",
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Aliases: []string{"s"},
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Usage: "use `SERVER` as server url",
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Value: "http://127.0.0.1:3000",
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},
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&cli.StringFlag{
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Name: "format",
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Aliases: []string{"f"},
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Usage: fmt.Sprintf("use `FORMAT` as output format (available: %s)", format.Available()),
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Value: string(table.Format),
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},
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&cli.StringFlag{
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Name: "output-mode",
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Aliases: []string{"m"},
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Usage: fmt.Sprintf("use `MODE` as output mode (available: %s)", []format.OutputMode{format.OutputModeCompact, format.OutputModeWide}),
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Value: string(format.OutputModeCompact),
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},
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&cli.StringFlag{
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Name: "token",
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Aliases: []string{"t"},
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Usage: "use `TOKEN` as authentication token",
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},
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&cli.StringFlag{
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Name: "token-file",
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Usage: "use `TOKEN_FILE` as file containing the authentication token",
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Value: ".emissary-token",
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TakesFile: true,
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},
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}
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flags = append(flags, baseFlags...)
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return flags
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}
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type BaseFlags struct {
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ServerURL string
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Format format.Format
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OutputMode format.OutputMode
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Token string
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TokenFile string
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}
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func GetBaseFlags(ctx *cli.Context) *BaseFlags {
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serverURL := ctx.String("server")
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rawFormat := ctx.String("format")
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rawOutputMode := ctx.String("output-mode")
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tokenFile := ctx.String("token-file")
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token := ctx.String("token")
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return &BaseFlags{
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ServerURL: serverURL,
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Format: format.Format(rawFormat),
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OutputMode: format.OutputMode(rawOutputMode),
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Token: token,
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TokenFile: tokenFile,
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}
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}
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func GetToken(flags *BaseFlags) (string, error) {
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if flags.Token != "" {
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return flags.Token, nil
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}
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if flags.TokenFile == "" {
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return "", nil
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}
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rawToken, err := ioutil.ReadFile(flags.TokenFile)
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if err != nil && !errors.Is(err, os.ErrNotExist) {
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return "", errors.WithStack(err)
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}
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if rawToken == nil {
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return "", nil
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}
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return strings.TrimSpace(string(rawToken)), nil
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}
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