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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
51 lines
1.2 KiB
Ruby
51 lines
1.2 KiB
Ruby
module Gem
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###
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# This module is used for safely loading YAML specs from a gem. The
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# `safe_load` method defined on this module is specifically designed for
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# loading Gem specifications. For loading other YAML safely, please see
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# Psych.safe_load
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module SafeYAML
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WHITELISTED_CLASSES = %w(
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Symbol
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Time
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Date
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Gem::Dependency
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Gem::Platform
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Gem::Requirement
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Gem::Specification
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Gem::Version
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Gem::Version::Requirement
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YAML::Syck::DefaultKey
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Syck::DefaultKey
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)
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WHITELISTED_SYMBOLS = %w(
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development
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runtime
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)
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if ::YAML.respond_to? :safe_load
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def self.safe_load input
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::YAML.safe_load(input, WHITELISTED_CLASSES, WHITELISTED_SYMBOLS, true)
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end
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def self.load input
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::YAML.safe_load(input, [::Symbol])
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end
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else
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unless Gem::Deprecate.skip
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warn "YAML safe loading is not available. Please upgrade psych to a version that supports safe loading (>= 2.0)."
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end
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def self.safe_load input, *args
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::YAML.load input
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end
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def self.load input
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::YAML.load input
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end
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end
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end
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end
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