Merge pull request github#53 from carsonmcdonald/webshot

Capture an image of a given website

src/scripts/webshot.coffee

@@ -0,0 +1,19 @@
+# Capture a webpage as an image using the bluga.net Easythumb API. API user and key needed from http://webthumb.bluga.net/api
+#
+# webshot me <url> - Captures the given url as an image.
+
+hashlib=require('hashlib')
+
+module.exports = (robot) ->
+  robot.respond /webshot( me)? (.*)/i, (msg) ->
+    if process.env.HUBOT_WEBTHUMB_USER and process.env.HUBOT_WEBTHUMB_API_KEY
+      url = msg.match[2]
+      console.log(url)
+      msg.send 'http://webthumb.bluga.net/easythumb.php?user=' + process.env.HUBOT_WEBTHUMB_USER + '&url=' + encodeURIComponent(url) + '&size=large&hash=' + webthumbhash(process.env.HUBOT_WEBTHUMB_API_KEY, url) + '&cache=14#.jpeg'
+
+webthumbhash = (apikey, url) =>
+  now = new Date
+  now = new Date(now.getTime() - (now.getTimezoneOffset() * 1000))
+  month = (now.getUTCMonth() < 9 ? '0' : '') + (now.getUTCMonth()+1)
+  day = (now.getUTCDate() < 10 ? '0' : '') + now.getUTCDate()
+  hashlib.md5(now.getUTCFullYear().toString() + month + day + url + apikey)