+
+ chunks.join('')
+
+ end
+
+
+ def get_title_for_url(uri_str, depth=10)
+ # This god-awful mess is what the ruby http library has reduced me to.
+ # Python's HTTP lib is so much nicer. :~(
+
+ if depth == 0
+ raise "Error: Maximum redirects hit."
+ end
+
+ debug "+ Getting #{uri_str}"
+ url = URI.parse(uri_str)
+ return if url.scheme !~ /https?/
+
+ title = nil
+
+ debug "+ connecting to #{url.host}:#{url.port}"
+ http = @bot.httputil.get_proxy(url)
+ http.start { |http|
+ url.path = '/' if url.path == ''
+
+ http.request_get(url.path, "User-Agent" => "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)") { |response|
+
+ case response
+ when Net::HTTPRedirection, Net::HTTPMovedPermanently then
+ # call self recursively if this is a redirect
+ redirect_to = response['location'] || './'
+ debug "+ redirect location: #{redirect_to.inspect}"
+ url = URI.join url.to_s, redirect_to
+ debug "+ whee, redirecting to #{url.to_s}!"
+ return get_title_for_url(url.to_s, depth-1)
+ when Net::HTTPSuccess then
+ if response['content-type'] =~ /^text\//
+ # since the content is 'text/*' and is small enough to
+ # be a webpage, retrieve the title from the page
+ debug "+ getting #{url.request_uri}"
+ data = read_data_from_response(response, 50000)
+ return get_title_from_html(data)
+ else
+ # content doesn't have title, just display info.
+ size = response['content-length'].gsub(/(\d)(?=\d{3}+(?:\.|$))(\d{3}\..*)?/,'\1,\2')
+ return "[Link Info] type: #{response['content-type']}#{size ? ", size: #{size} bytes" : ""}"
+ end
+ when Net::HTTPClientError then
+ return "[Link Info] Error getting link (#{response.code} - #{response.message})"
+ when Net::HTTPServerError then
+ return "[Link Info] Error getting link (#{response.code} - #{response.message})"
+ else
+ return nil
+ end # end of "case response"
+
+ } # end of request block
+ } # end of http start block
+
+ return title
+
+ rescue SocketError => e
+ return "[Link Info] Error connecting to site (#{e.message})"