Get content length and type via HTTP

neinomat-radio-chaotica

@@ -4,6 +4,7 @@ require 'mediawiki/dotfile'
 require 'cgi'
 require 'date'
 require 'erb'
+require 'net/http'
 
 #----------------------------------------------------------------------------
 # Constants
@@ -65,7 +66,7 @@ TPL_ITEM = '
   <link><%= episode["url"] %></link>
   <description><%= CGI::escapeHTML(episode["title"]) %></description>
   <category>Talk Radio</category>
-  <enclosure url="<%= episode["enclosure_url"] %>" length="<%= episode["length"] %>" type="audio/mpeg" />
+  <enclosure url="<%= episode["enclosure_url"] %>" length="<%= episode["length"] %>" type="<%= episode["type"] %>" />
 
   <guid isPermaLink="true"><%= episode["url"] %></guid>
   <pubDate><%= episode["pubdate"] %></pubDate>
@@ -115,6 +116,14 @@ def datum2isodate(datum)
   return datum[6..9] + "-" + datum[3..4] + "-" + datum[0..1]
 end
 
+def head(url)
+  uri = URI.parse(url)
+ 
+  Net::HTTP.start(uri.host, uri.port) do |http|
+    http.head(uri.path)
+  end
+end
+
 #----------------------------------------------------------------------------
 # Get episodes from wiki
 
@@ -127,8 +136,8 @@ episodes = []
   if erste_sendung = parse_template(page, template)["erste_sendung"]
     episode = {
       "title"         => page,
-      "url"           => "http://entropia.de/wiki/#{CGI::escape(page)}",
+      "url"           => @wiki.article_url(page),
-      "discussion"    => "http://entropia.de/wiki/Diskussion:#{CGI::escape(page)}",
+      "discussion"    => @wiki.article_url("Diskussion:#{page}"),
       "enclosure_url" => parse_template(page, template)["download"],
       "date"          => Date.today(), # fallback
     } 
@@ -144,14 +153,17 @@ episodes = []
     episode["pubdate"] = episode["date"].strftime(RFC822)
   
  
+    # Get content type and length
+    head = head(episode["enclosure_url"])
+    episode["length"] = head["content-length"]
+    episode["type"]   = head["content-type"]
+
     #FIXME
-    episode["length"]   = 57671680
     episode["duration"] = "00:59:59"
 
-
     episodes.push(episode)
   end
-  # break # DEBUG
+  $stderr.puts "DEBUG: Only crawling one episode"; break 
 end
 
 episodes = episodes.sort do |x,y|