87 lines
2.0 KiB
Go
87 lines
2.0 KiB
Go
package commands
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import (
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"fmt"
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"os"
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"github.com/spf13/pflag"
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"github.com/authelia/authelia/v4/internal/utils"
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)
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func recoverErr(i any) error {
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switch v := i.(type) {
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case nil:
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return nil
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case string:
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return fmt.Errorf("recovered panic: %s", v)
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case error:
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return fmt.Errorf("recovered panic: %w", v)
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default:
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return fmt.Errorf("recovered panic with unknown type: %v", v)
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}
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}
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func configFilterExisting(configs []string) (finalConfigs []string) {
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var err error
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for _, c := range configs {
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if _, err = os.Stat(c); err == nil || !os.IsNotExist(err) {
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finalConfigs = append(finalConfigs, c)
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}
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}
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return finalConfigs
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}
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func flagsGetRandomCharacters(flags *pflag.FlagSet, flagNameLength, flagNameCharSet, flagNameCharacters string) (r string, err error) {
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var (
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n int
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charset string
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)
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if n, err = flags.GetInt(flagNameLength); err != nil {
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return "", err
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}
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if n < 1 {
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return "", fmt.Errorf("flag --%s with value '%d' is invalid: must be at least 1", flagNameLength, n)
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}
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useCharSet, useCharacters := flags.Changed(flagNameCharSet), flags.Changed(flagNameCharacters)
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if useCharSet && useCharacters {
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return "", fmt.Errorf("flag --%s and flag --%s are mutually exclusive, only one may be used", flagNameCharSet, flagNameCharacters)
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}
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switch {
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case useCharSet, !useCharSet && !useCharacters:
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var c string
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if c, err = flags.GetString(flagNameCharSet); err != nil {
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return "", err
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}
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switch c {
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case "ascii":
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charset = utils.CharSetASCII
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case "alphanumeric":
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charset = utils.CharSetAlphaNumeric
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case "alphabetic":
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charset = utils.CharSetAlphabetic
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case "numeric-hex":
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charset = utils.CharSetNumericHex
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case "numeric":
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charset = utils.CharSetNumeric
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default:
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return "", fmt.Errorf("flag '--%s' with value '%s' is invalid, must be one of 'ascii', 'alphanumeric', 'alphabetic', 'numeric', or 'numeric-hex'", flagNameCharSet, c)
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}
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case useCharacters:
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if charset, err = flags.GetString(flagNameCharacters); err != nil {
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return "", err
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}
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}
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return utils.RandomString(n, charset, true), nil
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}
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