119 lines
3.2 KiB
Ruby
119 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Utils
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extend self
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# Ensure that the relative path will not traverse outside the base directory
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def check_path_traversal!(path)
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raise StandardError.new("Invalid path") if path.start_with?("..#{File::SEPARATOR}") ||
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path.include?("#{File::SEPARATOR}..#{File::SEPARATOR}") ||
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path.end_with?("#{File::SEPARATOR}..")
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path
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end
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# Run system command without outputting to stdout.
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#
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# @param cmd [Array<String>]
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# @return [Boolean]
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def system_silent(cmd)
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Popen.popen(cmd).last.zero?
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end
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def force_utf8(str)
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str.force_encoding(Encoding::UTF_8)
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end
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def ensure_utf8_size(str, bytes:)
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raise ArgumentError, 'Empty string provided!' if str.empty?
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raise ArgumentError, 'Negative string size provided!' if bytes.negative?
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truncated = str.each_char.each_with_object(+'') do |char, object|
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if object.bytesize + char.bytesize > bytes
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break object
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else
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object.concat(char)
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end
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end
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truncated + ('0' * (bytes - truncated.bytesize))
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end
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# Append path to host, making sure there's one single / in between
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def append_path(host, path)
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"#{host.to_s.sub(%r{\/+$}, '')}/#{path.to_s.sub(%r{^\/+}, '')}"
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end
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# A slugified version of the string, suitable for inclusion in URLs and
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# domain names. Rules:
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#
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# * Lowercased
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# * Anything not matching [a-z0-9-] is replaced with a -
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# * Maximum length is 63 bytes
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# * First/Last Character is not a hyphen
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def slugify(str)
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return str.downcase
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.gsub(/[^a-z0-9]/, '-')[0..62]
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.gsub(/(\A-+|-+\z)/, '')
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end
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# Converts newlines into HTML line break elements
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def nlbr(str)
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ActionView::Base.full_sanitizer.sanitize(+str, tags: []).gsub(/\r?\n/, '<br>').html_safe
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end
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def remove_line_breaks(str)
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str.gsub(/\r?\n/, '')
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end
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def to_boolean(value)
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return value if [true, false].include?(value)
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return true if value =~ /^(true|t|yes|y|1|on)$/i
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return false if value =~ /^(false|f|no|n|0|off)$/i
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nil
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end
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def boolean_to_yes_no(bool)
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if bool
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'Yes'
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else
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'No'
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end
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end
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def random_string
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Random.rand(Float::MAX.to_i).to_s(36)
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end
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# See: http://stackoverflow.com/questions/2108727/which-in-ruby-checking-if-program-exists-in-path-from-ruby
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# Cross-platform way of finding an executable in the $PATH.
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#
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# which('ruby') #=> /usr/bin/ruby
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def which(cmd, env = ENV)
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exts = env['PATHEXT'] ? env['PATHEXT'].split(';') : ['']
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env['PATH'].split(File::PATH_SEPARATOR).each do |path|
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exts.each do |ext|
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exe = File.join(path, "#{cmd}#{ext}")
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return exe if File.executable?(exe) && !File.directory?(exe)
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end
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end
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nil
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end
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def bytes_to_megabytes(bytes)
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bytes.to_f / Numeric::MEGABYTE
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end
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# Used in EE
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# Accepts either an Array or a String and returns an array
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def ensure_array_from_string(string_or_array)
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return string_or_array if string_or_array.is_a?(Array)
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string_or_array.split(',').map(&:strip)
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end
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end
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end
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