Fix generation of forum profile URLs

Fixes #196

app/tasks/phpbbparser.py

@@ -9,6 +9,8 @@ from datetime import datetime
 import urllib.request
 import os.path
 import time, re
+import urllib.parse as urlparse
+from urllib.parse import urlencode
 
 def urlEncodeNonAscii(b):
 	return re.sub('[\x80-\xFF]', lambda c: '%%%02x' % ord(c.group(0)), b)
@@ -71,8 +73,24 @@ def __extract_signature(soup):
 	else:
 		return res[0]
 
+
+def getProfileURL(url, username):
+	url = urlparse.urlparse(url)
+
+	# Update path
+	url = url._replace(path="/memberlist.php")
+
+	# Set query args
+	query = dict(urlparse.parse_qsl(url.query))
+	query.update({ "un": username, "mode": "viewprofile" })
+	query_encoded = urlencode(query)
+	url = url._replace(query=query_encoded)
+
+	return urlparse.urlunparse(url)
+
+
 def getProfile(url, username):
-	url = url + "/memberlist.php?mode=viewprofile&un=" + urlEncodeNonAscii(username)
+	url = getProfileURL(url, username)
 
 	req = urllib.request.urlopen(url, timeout=5)
 	if req.getcode() == 404: