45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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# Gitaly note: JV: does not need to be migrated, works without a repo.
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module Gitlab
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  module GitRefValidator
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    extend self
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    EXPANDED_PREFIXES = %w[refs/heads/ refs/remotes/].freeze
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    DISALLOWED_PREFIXES = %w[-].freeze
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    # Validates a given name against the git reference specification
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    #
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    # Returns true for a valid reference name, false otherwise
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    def validate(ref_name)
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      return false if ref_name.to_s.empty? # #blank? raises an ArgumentError for invalid encodings
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      return false if ref_name.start_with?(*(EXPANDED_PREFIXES + DISALLOWED_PREFIXES))
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      return false if ref_name == 'HEAD'
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      begin
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        Rugged::Reference.valid_name?("refs/heads/#{ref_name}")
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      rescue ArgumentError
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        false
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      end
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    end
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    def validate_merge_request_branch(ref_name)
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      return false if ref_name.to_s.empty?
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      return false if ref_name.start_with?(*DISALLOWED_PREFIXES)
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      expanded_name = if ref_name.start_with?(*EXPANDED_PREFIXES)
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                        ref_name
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                      else
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                        "refs/heads/#{ref_name}"
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                      end
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      begin
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        Rugged::Reference.valid_name?(expanded_name)
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      rescue ArgumentError
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        false
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      end
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    end
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  end
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end
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