Merge CGI code into main branch, this is more what I wanted to script for

[frenchie/icalparse.git] / fbcal.py

diff --git a/fbcal.py b/fbcal.py
new file mode 100755 (executable)
index 0000000..870a62d
--- /dev/null
+++ b/fbcal.py
@@ -0,0 +1,73 @@
+#!/usr/bin/python
+#
+# Copyright (c) 2011 James French <[email protected]>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+import sys
+import cgi
+import vobject
+import icalparse
+import re
+#import cgitb; cgitb.enable()
+
+def exitQuiet(exitstate=0):
+       print('Content-Type: text/html\n')
+       sys.exit(exitstate)
+
+if __name__ == '__main__':
+       form = cgi.FieldStorage()
+       if "uid" not in form or "key" not in form:
+               print('Content-Type: text/html\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 = {}
+       ruleConfig["defaultTZ"] = tz or "Australia/Perth"
+                               
+       # Okay, we're happy that the input is sane, lets serve up some data
+       url = 'http://www.facebook.com/ical/u.php?uid=%d&key=%s'%(uid,key)
+       (content, encoding) = icalparse.getHTTPContent(url)
+
+       cal = vobject.readOne(unicode(content, encoding))
+       cal = icalparse.applyRules(cal, icalparse.generateRules(ruleConfig), False)
+
+       print('Content-Type: text/calendar; charset=%s\n'%encoding)
+       icalparse.writeOutput(cal)