47 lines
1.0 KiB
Crystal
47 lines
1.0 KiB
Crystal
module LdapEscape
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extend self
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FILTER = {
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"\u0000" => "\\00", # null
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"\u0028" => "\\28", # (
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"\u0029" => "\\29", # )
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"\u002a" => "\\2a", # *
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"\u005c" => "\\5c", # \
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}
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FILTER_REGEX = /(\0|\x28|\x29|\x2a|\x5c)/
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DN_BEGIN = {
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"\u0020" => "\\ ", # space
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}
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DN_BEGIN_REGEX = /^(\x20)/
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DN = {
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"\u0022" => "\\\"", # "
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"\u0023" => "\\#", # #
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"\u002b" => "\\+", # +
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"\u002c" => "\\,", # ,
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"\u003b" => "\\;", # ;
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"\u003c" => "\\<", # <
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"\u003d" => "\\=", # =
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"\u003e" => "\\>", # >
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"\u005c" => "\\\\", # \
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}
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DN_REGEX = /(\x22|\x23|\x2b|\x2c|\x3b|\x3c|\x3d|\x3e|\x5c)/
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DN_END = {
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'\u0020' => "\\ ", # space
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}
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DN_END_REGEX = /(\x20)$/
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def filter(input : String) : String
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input.gsub(FILTER_REGEX) { |match| FILTER[match] }
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end
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def dn(input : String) : String
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input
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.gsub(DN_BEGIN_REGEX) { |match| DN_BEGIN[match] }
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.gsub(DN_REGEX) { |match| DN[match] }
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.gsub(DN_END_REGEX) { |match| DN_END[match] }
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end
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end
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