mastodon/app/helpers/url_helper.rb

39 lines
799 B
Ruby

module UrlHelper
def sanitize_query_string(url)
return if url.blank?
url = Addressable::URI.parse(url)
return url.to_s if url.query.blank?
return unless '='.in?(url.query)
params = CGI.parse(url.query)
params.delete_if do |key|
k = key.downcase
next true if k.start_with?(
'_hs',
'ic',
'mc_',
'mkt_',
'ns_',
'sr_',
'utm',
'vero_',
'nr_',
'ref',
)
next true if 'track'.in?(k)
next true if [
'fbclid',
'gclid',
'ncid',
'ocid',
'r',
'spm',
].include?(k)
false
end
url.query_values = params
return url.to_s
rescue Addressable::URI::InvalidURIError, IDN::Idna::IdnaError
return '#'
end
end