resource-verification.rb: Ruby-Skript, welches Resources, alternatives und deren Größe mit HTTP HEAD überprüft, hat keine weiteren Abhängigkeiten

git-svn-id: svn://svn.c3d2.de/c3d2-web/trunk@618 31f61c52-7bfb-0310-b897-fc00f8a278f0

scripts/resource-verification.rb

@@ -0,0 +1,59 @@
+#!/usr/bin/env ruby
+
+require 'rexml/document'
+require 'uri'
+require 'net/http'
+
+
+def verify_url(url)
+  uri = URI::parse(url)
+
+  response = Net::HTTP::start(uri.host, uri.port) { |http|
+    http.head(uri.request_uri)
+  }
+
+  class << response
+    attr_reader :header
+  end
+
+  if response.kind_of? Net::HTTPOK
+    response['content-length'].to_s.to_i
+  else
+    raise response.class.to_s
+  end
+end
+
+def verify_resource(resource)
+  url = resource.attributes['url']
+  size = resource.attributes['size'].to_i
+  print "#{url} "
+  $stdout.flush
+  begin
+    content_length = verify_url url
+    if content_length != 0 and content_length != size
+      puts "#{content_length}(remote) != #{size}(resource)"
+    else
+      puts "Ok (#{content_length} B)"
+    end
+  rescue
+    puts $!.to_s
+  end
+end
+
+Dir::chdir(File::dirname(__FILE__) + "/..")
+
+NEWSDIR = "content/news"
+Dir.entries(NEWSDIR).each do |file|
+  next if file =~ /^\./
+
+  item = REXML::Document.new(File.new("#{NEWSDIR}/#{file}")).root
+
+  raise unless item.name == 'item'
+  item.each_element('resource') { |r|
+    verify_resource r
+
+    r.each_element('alternative') { |a|
+      verify_resource a
+    }
+  }
+end