/usr/share/rubygems-integration/all/gems/faker-1.6.6/lib/faker/code.rb is in ruby-faker 1.6.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | module Faker
class Code < Base
flexible :code
class << self
# Generates a 10 digit NPI (National Provider Identifier
# issued to health care providers in the United States)
def npi
Random.new.rand(10 ** 10).to_s.rjust(10, '0')
end
# By default generates 10 sign isbn code in format 123456789-X
# You can pass 13 to generate new 13 sign code
def isbn(base = 10)
base == 13 ? generate_base13_isbn : generate_base10_isbn
end
# By default generates 13 sign ean code in format 1234567890123
# You can pass 8 to generate ean8 code
def ean(base = 13)
base == 8 ? generate_base8_ean : generate_base13_ean
end
def rut
value = Number.number(8)
vd = rut_verificator_digit(value)
value << "-#{vd}"
end
# By default generates a Singaporean NRIC ID for someone
# who is born between the age of 18 and 65.
def nric(min_age = 18, max_age = 65)
birthyear = Date.birthday(min_age, max_age).year
prefix = birthyear < 2000 ? 'S' : 'T'
values = birthyear.to_s[-2..-1]
values << regexify(/\d{5}/)
check_alpha = generate_nric_check_alphabet(values, prefix)
"#{prefix}#{values}#{check_alpha}"
end
# Generate GSM modem, device or mobile phone 15 digit IMEI number.
def imei
generate_imei
end
# Retrieves a real Amazon ASIN code list taken from
# https://archive.org/details/asin_listing
def asin
fetch('code.asin')
end
private
# Reporting body identifier
RBI = %w(01 10 30 33 35 44 45 49 50 51 52 53 54 86 91 98 99).freeze
def generate_imei
pos = 0
str = Array.new(15, 0)
sum = 0
t = 0
len_offset = 0
len = 15
# Fill in the first two values of the string based with the specified prefix.
# Reporting Body Identifier list: http://en.wikipedia.org/wiki/Reporting_Body_Identifier
arr = RBI.sample
str[0] = arr[0].to_i
str[1] = arr[1].to_i
pos = 2
# Fill all the remaining numbers except for the last one with random values.
while pos < (len - 1)
str[pos] = rand(0..9)
pos += 1
end
# Calculate the Luhn checksum of the values thus far
len_offset = (len + 1) % 2
for pos in (0..(len - 1))
if (pos + len_offset) % 2 != 0
t = str[pos] * 2
if t > 9
t -= 9
end
sum += t
else
sum += str[pos]
end
end
# Choose the last digit so that it causes the entire string to pass the checksum.
str[len - 1] = (10 - (sum % 10)) % 10
# Output the IMEI value.
str.join('')
end
def generate_base10_isbn
values = regexify(/\d{9}/)
remainder = sum(values) { |value, index| (index + 1) * value.to_i } % 11
values << "-#{remainder == 10 ? 'X' : remainder}"
end
def generate_base13_isbn
values = regexify(/\d{12}/)
remainder = sum(values) { |value, index| index.even? ? value.to_i : value.to_i * 3 } % 10
values << "-#{((10 - remainder) % 10)}"
end
def sum(values, &block)
values.split(//).each_with_index.inject(0) do |sum, (value, index)|
sum + block.call(value, index)
end
end
def generate_base8_ean
values = regexify(/\d{7}/)
check_digit = 10 - values.split(//).each_with_index.inject(0){ |s, (v, i)| s + v.to_i * EAN_CHECK_DIGIT8[i] } % 10
values << (check_digit == 10 ? 0 : check_digit).to_s
end
def generate_base13_ean
values = regexify(/\d{12}/)
check_digit = 10 - values.split(//).each_with_index.inject(0){ |s, (v, i)| s + v.to_i * EAN_CHECK_DIGIT13[i] } % 10
values << (check_digit == 10 ? 0 : check_digit).to_s
end
EAN_CHECK_DIGIT8 = [3, 1, 3, 1, 3, 1, 3]
EAN_CHECK_DIGIT13 = [1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3]
def rut_verificator_digit(rut)
total = rut.to_s.rjust(8, '0').split(//).zip(%w(3 2 7 6 5 4 3 2)).collect{|a, b| a.to_i * b.to_i}.inject(:+)
(11 - total % 11).to_s.gsub(/10/, 'k').gsub(/11/, '0')
end
def generate_nric_check_alphabet(values, prefix)
weight = %w(2 7 6 5 4 3 2)
total = values.split(//).zip(weight).collect { |a, b| a.to_i * b.to_i }.inject(:+)
total = total + 4 if prefix == 'T'
%w(A B C D E F G H I Z J)[10 - total % 11]
end
end
end
end
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