-
- puts "+ connecting to #{url.host}:#{url.port}"
- title = Net::HTTP.start(url.host, url.port) do |http|
- url.path = '/' if url.path == ''
- head = http.request_head(url.path)
- case head
- when Net::HTTPRedirection then
- # call self recursively if this is a redirect
- redirect_to = head['location']
- puts "+ redirect location: #{redirect_to}"
- absolute_uris = URI.extract redirect_to
- raise "wtf! redirect = #{redirect_to}" if absolute_uris.size > 1
- if absolute_uris.size == 1
- url = URI.parse absolute_uris[0]
- else
- url.path = redirect_to
- end
- puts "+ whee, redirect to #{url.to_s}!"
- title = get_title_for_url(url.to_s)
- when Net::HTTPSuccess then
- if head['content-type'] =~ /^text\//
- # content is 'text/*'
- # retrieve the title from the page
- puts "+ getting #{url.path}"
- response = http.request_get(url.path)
- return get_title_from_html(response.body)
- else
- # content isn't 'text/*'... display info about the file.
- size = head['content-length'].gsub(/(\d)(?=\d{3}+(?:\.|$))(\d{3}\..*)?/,'\1,\2')
- #lastmod = head['last-modified']
- return "[Link Info] type: #{head['content-type']}#{size ? ", size: #{size} bytes" : ""}"
- end
- when Net::HTTPClientError then
- return "[Title] Error getting link (#{response.code} - #{response.message})"
- when Net::HTTPServerError then
- return "[Title] Error getting link (#{response.code} - #{response.message})"
+
+ # also check the ip, the canonical name and the aliases
+ begin
+ checks = TCPSocket.gethostbyname(url.host)
+ checks.delete_at(-2)
+ rescue => e
+ return "Unable to retrieve info for #{url.host}: #{e.message}"
+ end
+
+ checks << url.host
+ checks.flatten!
+
+ unless checks.grep(@no_info_hosts).empty?
+ return "Sorry, info retrieval for #{url.host} (#{checks.first}) is disabled"
+ end
+
+ logopts = opts.dup
+
+ title = nil
+ extra = []
+
+ begin
+ debug "+ getting info for #{url.request_uri}"
+ info = @bot.filter(:htmlinfo, url)
+ debug info
+ resp = info[:headers]
+
+ logopts[:title] = title = info[:title]
+
+ if info[:content]
+ logopts[:extra] = info[:content]
+ extra << "#{Bold}text#{Bold}: #{info[:content]}" if @bot.config['url.first_par']
+ else
+ logopts[:extra] = String.new
+ logopts[:extra] << "Content Type: #{resp['content-type']}"
+ extra << "#{Bold}type#{Bold}: #{resp['content-type']}" unless title
+ if enc = resp['content-encoding']
+ logopts[:extra] << ", encoding: #{enc}"
+ extra << "#{Bold}encoding#{Bold}: #{enc}" if @bot.config['url.first_par'] or not title
+ end
+
+ size = resp['content-length'].first.gsub(/(\d)(?=\d{3}+(?:\.|$))(\d{3}\..*)?/,'\1,\2') rescue nil
+ if size
+ logopts[:extra] << ", size: #{size} bytes"
+ extra << "#{Bold}size#{Bold}: #{size} bytes" if @bot.config['url.first_par'] or not title
+ end
+ end
+ rescue Exception => e
+ case e
+ when UrlLinkError
+ raise e
+ else
+ error e
+ raise "connecting to site/processing information (#{e.message})"
+ end
+ end
+
+ call_event(:url_added, url.to_s, logopts)
+ if title
+ extra.unshift("#{Bold}title#{Bold}: #{title}")
+ end
+ return extra.join(", ") if title or not @bot.config['url.titles_only']
+ end
+
+ def handle_urls(m, urls, display_info=@bot.config['url.display_link_info'])
+ return if urls.empty?
+ debug "found urls #{urls.inspect}"
+ list = m.public? ? @registry[m.target] : nil
+ debug "display link info: #{display_info}"
+ urls_displayed = 0
+ urls.each do |urlstr|
+ debug "working on #{urlstr}"
+ next unless urlstr =~ /^https?:/
+ title = nil
+ debug "Getting title for #{urlstr}..."
+ reply = nil
+ begin
+ title = get_title_for_url(urlstr,
+ :nick => m.source.nick,
+ :channel => m.channel,
+ :ircline => m.message)
+ debug "Title #{title ? '' : 'not '} found"
+ reply = "#{LINK_INFO} #{title}" if title
+ rescue => e
+ debug e
+ # we might get a 404 because of trailing punctuation, so we try again
+ # with the last character stripped. this might generate invalid URIs
+ # (e.g. because "some.url" gets chopped to some.url%2, so catch that too
+ if e.message =~ /\(404 - Not Found\)/i or e.kind_of?(URI::InvalidURIError)
+ # chop off last character, and retry if we still have enough string to
+ # look like a minimal URL
+ retry if urlstr.chop! and urlstr =~ /^https?:\/\/./
+ end
+ reply = "Error #{e.message}"