+ (content, encoding) = getContent(url, options.stdin)
+ encoding = encoding or options.encoding or 'utf-8'
+
+ cal = vobject.readOne(str(content, encoding))
+ cal = applyRules(cal, generateRules(ruleConfig), options.verbose)
+
+ writeOutput(cal, options.outfile)
+
+
+def exitQuiet(exitstate=0):
+ '''When called as a CGI script, exit quietly if theres any errors'''
+ print('Content-Type: text/html\n')
+ sys.exit(exitstate)
+
+
+def runCGI():
+ '''Main run function if this script is called as a CGI script
+ to process facebook ical files'''
+ import cgi
+ import re
+ import cgitb; cgitb.enable()
+
+ ruleConfig["facebook"] = True
+
+ form = cgi.FieldStorage()
+ if "uid" not in form or "key" not in form:
+ print('Content-Type: text/calendar\n')
+ sys.exit(0)
+ try:
+ # UID should be numeric, if it's not we have someone playing games
+ uid = int(form['uid'].value)
+ except:
+ exitQuiet()
+
+ # The user's key will be a 16 character string
+ key = form['key'].value
+ re.search('[&?]+', key) and exitQuiet()
+ len(key) == 16 or exitQuiet()
+
+ # Historically facebook has been notoriously bad at setting timzeones
+ # in their stuff so this should be a user setting. If it is set in
+ # their calendar it'll be used otherwise if the user feeds crap or
+ # nothing just assume they want Australia/Perth
+ tz = ""
+ if "tz" in form:
+ from pytz import timezone
+ try:
+ timezone(form['tz'].value)
+ tz = form['tz'].value
+ except: pass
+
+ ruleConfig["defaultTZ"] = tz or ruleConfig["defaultTZ"]
+
+ # Okay, we're happy that the input is sane, lets serve up some data
+ url = 'https://www.facebook.com/events/ical/upcoming/?uid=%s&key=%s'%(uid,key)
+ (content, encoding) = getHTTPContent(url)
+
+ cal = vobject.readOne(str(content, encoding))
+ cal = applyRules(cal, generateRules(ruleConfig), False)
+
+ print(('Content-Type: text/calendar; charset=%s\n'%encoding))
+ writeOutput(cal)
+
+
+if __name__ == '__main__':
+ # Ensure the rules process using the desired timezone
+ ruleConfig = {}
+ ruleConfig["defaultTZ"] = 'Australia/Perth'
+
+ # Detect if this script has been called by CGI and proceed accordingly
+ if 'REQUEST_METHOD' in os.environ:
+ runCGI()
+ else:
+ runLocal()