initial commit

megavideodownload.py

@@ -0,0 +1,51 @@
+#!/usr/bin/python
+# -*- coding: utf8 -*-
+
+from xml.etree.ElementTree import parse
+from urllib import urlopen
+import sys
+
+if len(sys.argv) != 2:
+    sys.exit("give the id as an argument")
+
+mid = sys.argv[1]
+
+# parse xml
+doc = parse(urlopen("http://www.megavideo.com/xml/videolink.php?v="+mid))
+row = doc._root._children[0]
+
+# get variables
+un = row.attrib['un']
+k1 = row.attrib['k1']
+k2 = row.attrib['k2']
+title = row.attrib['title']
+server = row.attrib['s']
+
+# convert each hex value into binary number string, padded to length four
+dlhash = list(''.join([bin(int(c, 16))[2:].rjust(4, "0") for c in un]))
+rand = list()
+
+# fill list with pseudo random numbers
+for i in xrange(384):
+    k1 = (int(k1)*11 + 77213)%81371
+    k2 = (int(k2)*17 + 92717)%192811
+    rand.append((k1+k2)%128)
+
+# swap certain values
+for i in xrange(256, -1, -1):
+    j = rand[i]
+    k = i%128
+    tmp = dlhash[j]
+    dlhash[j] = dlhash[k]
+    dlhash[k] = tmp
+
+# xor with last random number bit
+for i in xrange(128):
+    dlhash[i] = str(int(dlhash[i]) ^ (rand[i+256] & 1))
+
+# split list into strings of length four
+dlhash = [''.join(dlhash[i:i+4]) for i in range(0,128,4)]
+# convert binary to hex
+dlhash = ''.join([hex(int(c,2))[2:] for c in dlhash])
+
+print "wget http://www"+server+".megavideo.com/files/"+dlhash+"/"+title+".flv"