66 lines
1.9 KiB
Ruby
66 lines
1.9 KiB
Ruby
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require_dependency 'carto/base_password_strategy'
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module Carto
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class StrongPasswordStrategy < BasePasswordStrategy
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DEFAULT_MIN_LENGTH = 8
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DEFAULT_MAX_LENGTH = 64
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DEFAULT_MIN_NUMBERS = 1
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DEFAULT_MIN_SYMBOLS = 1
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DEFAULT_MIN_LETTERS = 1
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SYMBOLS = %w({ } [ ] , . < > ; : ‘ “ \? \/ \| \ ` ~ ! @ # $ % ^ & \* ( ) _ - \+ =).freeze
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def initialize(min_length: DEFAULT_MIN_LENGTH,
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max_length: DEFAULT_MAX_LENGTH,
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min_letters: DEFAULT_MIN_NUMBERS,
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min_symbols: DEFAULT_MIN_SYMBOLS,
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min_numbers: DEFAULT_MIN_LETTERS)
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@min_length = min_length
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@max_length = max_length
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@min_letters = min_letters
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@min_symbols = min_symbols
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@min_numbers = min_numbers
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end
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def validate(password, password_confirmation, user = nil)
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errors = super(password, password_confirmation, user)
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return errors if password.nil?
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if password.length < @min_length
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errors << "must be at least #{@min_length} #{'character'.pluralize(@min_length)} long"
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end
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if password.length > @max_length
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errors << "must be at most #{@max_length} #{'character'.pluralize(@max_length)} long"
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end
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if letters_in(password) < @min_letters
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errors << "must contain at least #{@min_letters} #{'letter'.pluralize(@min_letters)}"
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end
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if symbols_in(password) < @min_symbols && numbers_in(password) < @min_numbers
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errors << "must contain at least #{@min_symbols} #{'symbol'.pluralize(@min_symbols)} or " +
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"#{@min_numbers} #{'number'.pluralize(@min_numbers)}"
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end
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errors
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end
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private
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def letters_in(string)
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string.scan(/[[:alpha:]]/).size
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end
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def symbols_in(string)
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string.scan(/[#{SYMBOLS.join('|')}]/).size
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end
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def numbers_in(string)
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string.scan(/\d/).size
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end
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end
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end
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