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HTAuth provides an API and commandline tools for managing Apache/httpd style htpasswd and htdigest files.

HTAuth provides an API allowing direct manipulation of Apache/httpd style htdigest and htpasswd files. Supporting full programmatic manipulation and authentication of user credentials.

HTAuth also includes drop-in, commandline compatible replacements for the Apache utilities htpasswd and htdigest with the respective htpasswd-ruby and htdigest-ruby commands.

Additionally, support for the argon2 password hashing algorithm is provided for most platforms.

HTAuth::DigestFile.open("some.htdigest") do |df|
  df.add_or_update('someuser', 'myrealm', 'a password')
  df.delete('someolduser', 'myotherrealm')
end

HTAuth::PasswdFile.open("some.htpasswd", HTAuth::File::CREATE) do |pf|
  pf.add('someuser', 'a password', 'md5')
  pf.add('someotheruser', 'a different password', 'sha1')
end

HTAuth::PasswdFile.open("some.htpasswd", HTAuth::File::ALTER) do |pf|
  pf.update('someuser', 'a password', 'bcrypt')
end

HTAuth::PasswdFile.open("some.htpasswd") do |pf|
  pf.authenticated?('someuser', 'a password')
end

Usage:
        htpasswd-ruby [-cimBdpsD] [-C cost] passwordfile username
        htpasswd-ruby -b[cmBdpsD] [-C cost] passwordfile username password

        htpasswd-ruby -n[imBdps] [-C cost] username
        htpasswd-ruby -nb[mBdps] [-C cost] username password

        --argon2     Force argon2 encryption of the password.
    -b, --batch      Batch mode, get the password from the command line, rather than prompt.
    -B, --bcrypt     Force bcrypt encryption of the password.
    -C, --cost COST  Set the computing time used for the bcrypt algorithm
                     (higher is more secure but slower, default: 5, valid: 4 to 31).
    -c, --create     Create a new file; this overwrites an existing file.
    -d, --crypt      Force CRYPT encryption of the password.
    -D, --delete     Delete the specified user.
    -h, --help       Display this help.
    -i, --stdin      Read the passwod from stdin without verivication (for script usage).
    -m, --md5        Force MD5 encryption of the password (default).
    -n, --stdout     Do not update the file; Display the results on stdout instead.
    -p, --plaintext  Do not encrypt the password (plaintext).
    -s, --sha1       Force SHA encryption of the password.
    -v, --version    Show version info.
        --verify     Verify password for the specified user.

Usage: htdigest-ruby [options] passwordfile realm username
    -c, --create   Create a new digest password file; this overwrites an existing file.
    -D, --delete   Delete the specified user.
    -h, --help     Display this help.
    -v, --version  Show version info.

Out of the box, htauth supports the classic algorithms that ship with Apache htpasswd.

• Built in

  • Generally accepted

    • MD5 (default for compatibility reasons)
    • bcrypt (probably the better choice)

  • Not Recommended - available only for backwards compatibility with htpasswd

    • SHA1
    • crypt
    • plaintext

• Available with the installation of additional libraries:

  • argon2 - to use, add gem 'argon2' to your Gemfile. argon2 will now be a valid algorithm to use in HTAuth::PasswdFile API. Currently argon2 is not supported on windows as the upstream argon2 gem does not support windows.

• The Apache Software Foundation
• all the folks who contributed to htdigest and htpasswd

Copyright (c) 2008 Jeremy Hinegardner

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.