From 592e478bc82660651e45c384817e694ca750f5ab Mon Sep 17 00:00:00 2001
From: Anton Bobov <abobov@gmail.com>
Date: Sun, 15 Nov 2020 23:45:12 +0500
Subject: Fix rem2ics escaping of summary text.

---
 rem2ics | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'rem2ics')

diff --git a/rem2ics b/rem2ics
index 8952771..0694ff4 100755
--- a/rem2ics
+++ b/rem2ics
@@ -7,12 +7,19 @@
 # https://tools.ietf.org/html/rfc5545
 import datetime
 import json
+import re
 import sys
 from datetime import datetime, timedelta, timezone
 from os.path import basename, splitext
 
 
+def escape_text(text):
+    # https://tools.ietf.org/html/rfc5545#section-3.3.11
+    return re.sub(r'[\\;:,]', r'\\\g<0>', text)
+
+
 class Event:
+
     def __init__(self, uid, event_json):
         self.event_json = event_json
         self.uid = uid
@@ -24,7 +31,7 @@ class Event:
             summary = summary.split(' ', 1)[1]
         if 'passthru' in e and 'COLOR' in e['passthru']:
             summary = ' '.join(summary.split(' ')[3:])
-        return summary
+        return escape_text(summary)
 
     def categories(self):
         filename = basename(self.event_json['filename'].upper())
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