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59 lines
2.4 KiB
Ruby
59 lines
2.4 KiB
Ruby
# Copyright (C) 1993-2013 Yukihiro Matsumoto. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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require 'tmpdir'
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# Monkey patch permitting use of a world-writable temp directory
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# --------------------------------------------------------------
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# This is generally going to be a bad idea, as in most situations it reduces
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# security. In my case, my web host uses a complicated chroot-style setup which
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# they alledge relieves these security issues, and there's no user-serviceable
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# way to change the permissions. Do not enable this patch unless you are
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# absolutely certain this is reasonable for you.
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# Based on Ruby 2.7 code at https://github.com/ruby/ruby/blob/67f1cd20bfb97ff6e5a15d27c8ef06cdb97ed37a/lib/tmpdir.rb#L18-L34
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class Dir
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##
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# Returns the operating system's temporary file path.
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def self.tmpdir
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tmp = nil
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[ENV['TMPDIR'], ENV['TMP'], ENV['TEMP'], @@systmpdir, '/tmp', '.'].each do |dir|
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next unless dir
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dir = File.expand_path(dir)
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begin
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if (stat = File.stat(dir)) && stat.directory? && stat.writable?
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tmp = dir
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break
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end
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rescue StandardError
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nil
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end
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end
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raise ArgumentError, 'could not find a temporary directory' unless tmp
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tmp
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end
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end
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