-#!/usr/bin/python
+#!/usr/bin/python3
#
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
-import sys
-import urlparse
-import os
+import sys, os
+from urllib import (request, error, parse)
import vobject
from cgi import parse_header
# Special case, if this is a HTTP url, return the data from it using
# the HTTP functions which attempt to play a bit nicer.
- parsedURL = urlparse.urlparse(url)
+ parsedURL = parse.urlparse(url)
if 'http' in parsedURL[0]: return getHTTPContent(url)
if stdin:
if not parsedURL[0]: url = 'file://' + os.path.abspath(url)
# If we've survived, use python's generic URL opening library to handle it
- import urllib2
try:
- res = urllib2.urlopen(url)
+ res = request.urlopen(url)
content = res.read()
ct = res.info().getplist()
res.close()
- except (urllib2.URLError, OSError), e:
+ except (error.URLError, OSError) as e:
sys.stderr.write('%s\n'%e)
sys.exit(1)
return (content, encoding)
-def getHTTPContent(url='',cache='.httplib2-cache'):
+def getHTTPContent(url=''):
'''This function attempts to play nice when retrieving content from HTTP
services. It's what you should use in a CGI script.'''
try:
import httplib2
except ImportError:
- import urllib2
+ pass
if not url: return ('','')
- if not 'http' in urlparse.urlparse(url)[0]: return ('','')
+ if not 'http' in parse.urlparse(url)[0]: return ('','')
if 'httplib2' in sys.modules:
- try: h = httplib2.Http('.httplib2-cache')
+ try: h = httplib2.Http()
except OSError: h = httplib2.Http()
else: h = False
if h:
try:
req = h.request(url)
- except ValueError, e:
+ except ValueError as e:
sys.stderr.write('%s\n'%e)
sys.exit(1)
else:
try:
- req = urllib2.urlopen(url)
- except urllib2.URLError, e:
+ req = request.urlopen(url)
+ except error.URLError as e:
sys.stderr.write('%s\n'%e)
sys.exit(1)
parserrules.ruleConfig[conf] = ruleConfig[conf]
rules = [getattr(parserrules, rule) for rule in dir(parserrules) if callable(getattr(parserrules, rule))]
+
return rules
return cal
+
def writeOutput(cal, outfile=''):
'''Takes a list of lines and outputs to the specified file'''
else:
try:
out = open(outfile, 'w')
- except (IOError, OSError), e:
+ except (IOError, OSError) as e:
sys.stderr.write('%s\n'%e)
sys.exit(1)
if not out == sys.stdout:
out.close()
-
-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 runLocal():
'''Main run function if this script is called locally'''
-
+
from optparse import OptionParser
-
+
parser = OptionParser('usage: %prog [options] url')
parser.add_option('-s', '--stdin', action='store_true', dest='stdin',
default=False, help='Take a calendar from standard input')
parser.add_option('-m','--encoding', dest='encoding', default='',
help='Specify a different character encoding'
'(ignored if the remote server also specifies one)')
- parser.add_option('-t','--timezone', dest='timezone', default=ruleConfig["defaultTZ"],
+ parser.add_option('-t','--timezone', dest='timezone', default='',
help='Specify a timezone to use if the remote calendar doesn\'t set it properly')
-
+
(options, args) = parser.parse_args()
- ruleConfig["defaultTZ"] = options.timezone
-
+ ruleConfig["defaultTZ"] = options.timezone or ruleConfig["defaultTZ"]
+
# If the user passed us a 'stdin' argument, we'll go with that,
# otherwise we'll try for a url opener
if not args and not options.stdin:
(content, encoding) = getContent(url, options.stdin)
encoding = encoding or options.encoding or 'utf-8'
- cal = vobject.readOne(unicode(content, encoding))
+ 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'''
- pass
-
+ '''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 = {}
git.ucc.asn.au / frenchie / icalparse.git / blobdiff
UCC git Repository :: git.ucc.asn.au