discourse/lib/avatar_detector.rb

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