a74e83b5a4
git-svn-id: https://beef.googlecode.com/svn/trunk@720 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9
68 lines
2.1 KiB
Ruby
68 lines
2.1 KiB
Ruby
module BeEF
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module Filter
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# verify the page title string is valid
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def self.is_valid_pagetitle?(str)
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return false if not str.is_a? String
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return false if has_non_printable_char?(str)
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return false if str.length > 50
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true
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end
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# check the browser type value - for example, 'FF'
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def self.is_valid_browsername?(str)
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return false if not is_non_empty_string?(str)
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return false if str.length > 2
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return false if has_non_printable_char?(str)
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true
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end
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# check the os name value - for example, 'Windows XP'
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def self.is_valid_osname?(str)
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return false if not is_non_empty_string?(str)
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return false if has_non_printable_char?(str)
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return false if str.length < 2
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true
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end
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# verify the browser version string is valid
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def self.is_valid_browserversion?(str)
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return false if not is_non_empty_string?(str)
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return false if has_non_printable_char?(str)
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return true if str.eql? "UNKNOWN"
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return false if not nums_only?(str) and not is_valid_float?(str)
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return false if str.length > 10
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true
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end
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# verify the browser/UA string is valid
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def self.is_valid_browserstring?(str)
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return false if not is_non_empty_string?(str)
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return false if has_non_printable_char?(str)
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return false if str.length > 200
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true
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end
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# verify the hostname string is valid
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def self.is_valid_hostname?(str)
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return false if not is_non_empty_string?(str)
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return false if has_non_printable_char?(str)
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return false if str.length > 255
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return false if (str =~ /^[a-zA-Z0-9][a-zA-Z0-9\-\.]*[a-zA-Z0-9]$/).nil?
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return false if not (str =~ /\.\./).nil?
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return false if not (str =~ /\-\-/).nil?
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true
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end
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# verify the browser_plugins string is valid
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def self.is_valid_browser_plugins?(str)
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return false if not is_non_empty_string?(str)
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return false if str.length > 400
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return (str =~ /[^\w\d\s()-.,;_!\302\256]/).nil? # \302\256 is the (r) character
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end
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end
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end
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