make sharefiles plugin use jsunpack code from lib

script.module.urlresolver/lib/urlresolver/plugins/sharefiles.py

@@ -22,6 +22,7 @@
 from urlresolver.plugnplay import Plugin
 import urllib2
 from urlresolver import common
+from lib import jsunpack
 
 # Custom imports
 import re
@@ -38,32 +39,6 @@ def __init__(self):
         self.net = Net()
         self.pattern = 'http://((?:www.)?sharefiles4u.com)/([0-9a-zA-Z]+)'
 
-    def unpackByString(self, sJavascript):
-        aSplit = sJavascript.split(";',")
-        p = str(aSplit[0])
-        aSplit = aSplit[1].split(",")
-        a = int(aSplit[0])
-        c = int(aSplit[1])
-        k = aSplit[2].split(".")[0].replace("'", '').split('|')
-        e = ''
-        d = ''
-        sUnpacked = str(self.__unpack(p, a, c, k, e, d))
-        return sUnpacked.replace('\\', '')
-
-    def __unpack(self, p, a, c, k, e, d):
-        while (c > 1):
-            c = c -1
-            if (k[c]):
-                p = re.sub('\\b' + str(self.__itoa(c, a)) +'\\b', k[c], p)
-        return p
-
-    def __itoa(self, num, radix):
-        result = ""
-        while num > 0:
-            result = "0123456789abcdefghijklmnopqrstuvwxyz"[num % radix] + result
-            num /= radix
-        return result
-
     def get_media_url(self, host, media_id):
         web_url = self.get_url(host, media_id)
 
@@ -94,7 +69,7 @@ def get_media_url(self, host, media_id):
             "\((.*?)\)\s*</script>", html, re.DOTALL + re.IGNORECASE)
         if r:
             sJavascript = r[1]
-            sUnpacked = self.unpackByString(sJavascript)
+            sUnpacked = jsunpack.unpack(sJavascript)
             sPattern = '<param name="src"0="(.*?)"'
             r = re.search(sPattern, sUnpacked)
             if r:
@@ -116,4 +91,4 @@ def get_host_and_id(self, url):
 
 
     def valid_url(self, url, host):
-        return re.match(self.pattern, url) or self.name in host
+        return re.match(self.pattern, url) or self.name in host