twofat

command module
v0.7.3 Latest Latest
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Published: Apr 30, 2023 License: GPL-3.0 Imports: 27 Imported by: 0

README

twofat

Manage TOTP data from CLI

Features
  • Data saved with AES-GCM encrypt in ~/.twofat.enc, password changeable.
  • Display codes of names matching regex, which auto-refresh.
  • Add, rename, delete entry, reveal secret, copy code to clipboard.
  • Import & export entries from & to standardized OTPAUTH_URI file.
  • Displays well in 80-colums (or more) terminals. NAME display truncated to 20.

Build

# While in the repo root directory:
go build

# Or anywhere:
go get -u github.com/pepa65/twofat

# Smaller binary:
go build -ldflags="-s -w"

# More extreme shrinking:
upx twofat*

# Build for various architectures:
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o twofat
CGO_ENABLED=0 GOOS=linux GOARCH=arm go build -ldflags="-s -w" -o twofat_pi
CGO_ENABLED=0 GOOS=freebsd GOARCH=amd64 go build -ldflags="-s -w" -o twofat_bsd
CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o twofat_osx
CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags="-s -w" -o twofat.exe

Usage

twofat v0.7.3 - Manage TOTP data from CLI
* Repo:       github.com/pepa65/twofat
* Data file:  ~/.twofat.enc  (depends on binary file name)
* Usage:      twofat [COMMAND]
  COMMAND:
[ show | view ]  [REGEX]
    Show all Codes [with Names matching REGEX] (the command is optional).
list | ls  [REGEX]
    Show all Names [with Names matching REGEX].
add | insert | entry  NAME  [-8]  [-f|--force]  [SECRET]
    Add a new entry NAME with SECRET (queried when not given).
    When -8 is given, Code LENGTH is 8 digits, otherwise it is 6.
    If -f/--force: existing NAME overwritten, no NAME length check.
totp | temp  [-8]  [SECRET]
    Show the Code for SECRET (queried when not given).
    When -8 is given, Code LENGTH is 8 digits, otherwise it is 6.
    (The data file is not queried nor written to.)
delete | remove | rm  NAME  [-f|--force]
    Delete entry NAME. If -f/--force: no confirmation asked.
rename | move | mv  NAME  NEWNAME  [-f|--force]
    Rename entry NAME to NEWNAME, if -f/--force: no length checks.
import  FILE  [-f|--force]
    Import lines with OTPAUTH_URI from file FILE.
    If -f/--force: existing NAME overwritten, no NAME length check.
export  FILE                Export all entries to OTPAUTH_URI file FILE.
reveal | secret  NAME       Show Secret of entry NAME.
clip | copy | cp  NAME      Put Code of entry NAME onto the clipboard.
password | passwd | pw      Change data file encryption password.
version | --version | -V    Show version.
help | --help | -h          Show this help text.
Import/Export data

twofat abides by the backup standard from https://authenticator.cc/docs/en/otp-backup-developer. Each line has a OTPAUTH_URI of the form: otpauth://totp/NAME?secret=SECRET&digits=LENGTH. (The parameter period is fixed to 30 in almost all apps, and most all seem to use SHA1 for the algorithm parameter, twofat as well. As to issuer, this is not used/recorded in twofat.)

Release management

  • Before git commit adjust the release number in main.go and README.md.
  • After git commit and before git push, tag the release: git tag -a <release>.
  • After git commit do: goreleaser --clean.

Documentation

The Go Gopher

There is no documentation for this package.

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