[Core] Fix adding magnet with trailing newline

* A bug in libtorrent means that a magnet with a trailing newline will be added
   but with an invalid info_hash. Strip any whitespace before add is a workaround.

deluge/core/torrentmanager.py

@@ -471,7 +471,8 @@ class TorrentManager(component.Component):
         handle = None
         try:
             if magnet:
-                handle = lt.add_magnet_uri(self.session, utf8_encoded(magnet), add_torrent_params)
+                magnet_uri = utf8_encoded(magnet.strip())
+                handle = lt.add_magnet_uri(self.session, magnet_uri, add_torrent_params)
             else:
                 handle = self.session.add_torrent(add_torrent_params)
         except RuntimeError, e:

deluge/plugins/autoadd/autoadd/core.py

@@ -163,7 +163,7 @@ class Core(CorePluginBase):
                 _file = open(filename, "rb")
             elif magnet == True:
                 _file = open(filename, "r")
-            filedump = _file.read()
+            filedump = _file.read().strip()
             if not filedump:
                 raise RuntimeError, "Torrent is 0 bytes!"
             _file.close()
@@ -197,8 +197,10 @@ class Core(CorePluginBase):
 
                 for part in magnet.split('&'):
                     if part.startswith("dn="):
-                        mname = os.sep.join([path, part[3:] + ".magnet"])
-                        break
+                        name = part[3:].strip()
+                        if name:
+                            mname = os.sep.join([path, name + ".magnet"])
+                            break
                 else:
                     short_hash = magnet.split("btih:")[1][:8]
                     mname = '.'.join([filename, short_hash, "magnet"])

deluge/plugins/autoadd/setup.py

@@ -42,7 +42,7 @@ from setuptools import setup
 __plugin_name__ = "AutoAdd"
 __author__ = "Chase Sterling"
 __author_email__ = "chase.sterling@gmail.com"
-__version__ = "1.04"
+__version__ = "1.05"
 __url__ = "http://dev.deluge-torrent.org/wiki/Plugins/AutoAdd"
 __license__ = "GPLv3"
 __description__ = "Monitors folders for .torrent files."