discourse/lib/oneboxer/twitter_onebox.rb

92 lines
2.1 KiB
Ruby

require_dependency 'oneboxer/handlebars_onebox'
module Oneboxer
class TwitterOnebox < HandlebarsOnebox
BASE_URL = 'https://api.twitter.com'.freeze
REGEX =
/^https?:\/\/(?:www\.)?twitter.com\/(?<user>[^\/]+)\/status\/(?<id>\d+)$/
matcher REGEX
# TODO: use zocial instead
favicon 'twitter.png'
def fetch_html
raise Discourse::SiteSettingMissing if twitter_credentials_missing?
tweet_for @url.match(REGEX)[:id]
end
def parse(data)
result = JSON.parse(data)
result['created_at'] =
Time.parse(result['created_at']).strftime("%I:%M%p - %d %b %y")
URI.extract(result['text'], %w(http https)).each do |url|
result['text'].gsub!(url, "<a href='#{url}' target='_blank'>#{url}</a>")
end
result
end
private
def tweet_for(id)
request = Net::HTTP::Get.new(tweet_uri_for id)
request.add_field 'Authorization', "Bearer #{bearer_token}"
http(tweet_uri_for id).request(request).body
end
def authorization
request = Net::HTTP::Post.new(auth_uri)
request.add_field 'Authorization',
"Basic #{bearer_token_credentials}"
request.add_field 'Content-Type',
'application/x-www-form-urlencoded;charset=UTF-8'
request.set_form_data 'grant_type' => 'client_credentials'
http(auth_uri).request(request).body
end
def bearer_token
@access_token ||= JSON.parse(authorization).fetch('access_token')
end
def bearer_token_credentials
Base64.strict_encode64(
"#{URI::encode(consumer_key)}:#{URI::encode(consumer_secret)}"
)
end
def auth_uri
URI.parse "#{BASE_URL}/oauth2/token"
end
def tweet_uri_for(id)
URI.parse "#{BASE_URL}/1.1/statuses/show.json?id=#{id}"
end
def http(uri)
Net::HTTP.new(uri.host, uri.port).tap { |http| http.use_ssl = true }
end
def consumer_key
SiteSetting.twitter_consumer_key
end
def consumer_secret
SiteSetting.twitter_consumer_secret
end
def twitter_credentials_missing?
consumer_key.blank? || consumer_secret.blank?
end
end
end