nanoc-extensions/lib/filters/dejure.rb
Thomas Hochstein 32bd623563 Add DeJureIntegrator filter.
Signed-off-by: Thomas Hochstein <thh@inter.net>
2017-04-29 01:30:46 +02:00

105 lines
3.7 KiB
Ruby

# dejure.rb
# a nanoc filter for dejure.org legal integration service
# see <https://dejure.org/vernetzung.html>
#
# adapted from PHP reference implementation
# at <https://dejure.org/vernetzung/vernetzungsfunktion.zip>
#
# (c) 2017 Thomas Hochstein <thh@inter.net>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
#
# params may be set as follows:
# params[:format] -> [weit|schmal] (weit)
# params[:target] -> target for <a href> ('')
# params[:class] -> CSS class for <a href> ('')
# params[:buzer] -> fallback to buzer.de? (1)
require 'net/http'
module Nanoc::Filters
class DeJureIntegrator < Nanoc::Filter
identifier :dejure
type :text
def set_params (params)
# set default params
params[:version] = '0.1'
if !@config[:base_url].nil?
params[:Anbieterkennung] = @config[:base_url]
else
params[:Anbieterkennung] = 'http://unknown.nanoc.installation.invalid'
end
params[:format] ||= 'weit'
params[:buzer] ||= 1
return params
end
def run(content, params={})
if !(/§|&sect;|Art\.|\/[0-9][0-9](?![0-9\/])| [0-9][0-9]?[\/\.][0-9][0-9](?![0-9\.])|[0-9][0-9], / =~ content)
# nothing to replace
return content
else
params = set_params(params)
return DeJureIntegrator(content.strip, params)
end
end
def DeJureIntegrator (text, params={})
prot = 'http://'
host = 'rechtsnetz.dejure.org'
path = '/dienste/vernetzung/vernetzen'
uri = URI(prot + host + path)
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Post.new(uri.request_uri)
request['User-Agent'] = params[:Anbieterkennung] + ' (DeJureIntegrator for nanoc ruby-' + params[:version] + ')'
request['Content-Type'] = 'application/x-www-form-urlencoded'
formdata = params
formdata['Originaltext'] = text
request.set_form_data(formdata)
response = http.request(request)
if (response.code != '200') || response.body.nil? || (text.length > response.body.length)
# HTTP error, empty body or response body smaller than original text
printf("DeJureIntegrator HTTP error: %s\n", response.code)
return text
else
return IntegrityCheck(text,response.body.force_encoding('UTF-8'))
end
end
def IntegrityCheck (input,output)
# compare input and output text after removing all added links - texts should match!
regexp = /<a href="http:\/\/dejure.org\/[^>]*>([^<]*)<\/a>/i
if input.strip.gsub(regexp, '\\1') == output.strip.gsub(regexp, '\\1')
return output
else
# texts don't match
puts "DeJureIntegrator integrity error\n"
return input
end
end
end
end