Class: Redirects

Inherits:
Object
  • Object
show all
Defined in:
lib/redirects.rb

Constant Summary collapse

HTTP_HOST = 
ENV['HTTP_HOST'] || 'example.com'
HTTP_SCHEME = 
ENV['HTTP_SCHEME'] || 'http://'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io_instance) ⇒ Redirects

Returns a new instance of Redirects.



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# File 'lib/redirects.rb', line 9

def initialize(io_instance)
  @rules = []
  @untestable_rules = []
  unless io_instance.nil?

    conds = []

    io_instance.readlines.each.with_index do |line,i|

      begin
        match_data = /^[^#]*RewriteCond/.match(line)

        unless match_data.nil?
          conds << RewriteCond.new(line)
          next
        end

        match_data = /^[^#]*RewriteRule/.match(line)

        unless match_data.nil?
          rule = RewriteRule.new(line, conds)
          @rules << rule
          conds = []
          next
        end
      rescue InvalidRule => e
        raise "\e[41mSyntax error on Line #{i+1}: #{line}\e[49m"
      rescue Untestable => e
        @untestable_rules << "(Line #{i+1}) #{/.*(Rewrite.*)/.match(line)[1]}"
      end

    end

    unless @untestable_rules.empty?
      text = <<EOS
\e[91m
Rewriting rule with conditions are not supported (for now..), please check the following rules by hand:
#{@untestable_rules.join("\n")}
\e[49m
EOS
      puts text
    end
  end
end

Instance Attribute Details

#http_host ⇒ Object

Returns the value of attribute http_host.



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# File 'lib/redirects.rb', line 54

def http_host
  @http_host
end

#http_scheme ⇒ Object

Returns the value of attribute http_scheme.



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# File 'lib/redirects.rb', line 54

def http_scheme
  @http_scheme
end

#rules ⇒ Object

Returns the value of attribute rules.



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# File 'lib/redirects.rb', line 54

def rules
  @rules
end

Class Method Details

.substitute(substitute_rule, substituted_data = []) ⇒ Object 



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# File 'lib/redirects.rb', line 56

def self.substitute substitute_rule, substituted_data = []
  return nil if substitute_rule == '-'
  substitution = substitute_rule
  substitution = "/#{substitution}" if /^(\/|https?:\/\/)/.match(substitution).nil?
  substitution = "#{HTTP_SCHEME}#{HTTP_HOST}#{substitution}" unless /^https?\:\/\//.match(substitution)
  substitution = substitution.
    gsub(/\$[0-9]+?/){ |m| !m.nil? && substituted_data[m[1..-1].to_i-1] || '' }.
    gsub('%{HTTP_HOST}', HTTP_HOST).
    gsub('%{HTTP_SCHEME}', HTTP_SCHEME)
end