33 lines
766 B
Ruby
33 lines
766 B
Ruby
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require_dependency 'user'
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require 'net/http'
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class AvatarDetector
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def initialize(user)
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raise "Tried to detect an avatar on a non-user instance" unless user && user.is_a?(User)
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@user = user
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end
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def has_custom_avatar?
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return true if @user.uploaded_avatar_path
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has_custom_gravatar?
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end
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# Check whether the user has a gravatar by performing a HTTP HEAD request to
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# Gravatar using the `d=404` parameter.
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def has_custom_gravatar?
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result = Net::HTTP.start('www.gravatar.com') do |http|
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http.open_timeout = 2
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http.read_timeout = 2
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http.head("/avatar/#{User.email_hash(@user.email)}?d=404")
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end
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return result.code.to_i == 200
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rescue
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# If the HTTP request fails, assume no gravatar
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false
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end
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end
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