commit 306bc5d7bd7ce434dbdcd2d008036deb095d37cc parent f407fbfe31b9d1cfd655b4bc88139be144c78fcd Author: Oscar Benedito <oscar@oscarbenedito.com> Date: Sun, 16 Aug 2020 23:45:15 +0200 Add DAVup.sh Script to back up contacts and calendars from CardDAV and CalDAV. Diffstat:
| A | miscellanea/davup.sh | | | 66 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 66 insertions(+), 0 deletions(-)
diff --git a/miscellanea/davup.sh b/miscellanea/davup.sh @@ -0,0 +1,66 @@ +#!/usr/bin/env sh +# DAVup +# Copyright (C) 2020 Oscar Benedito +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. + +# Back up calendars and contacts from a DAV server (CalDAV and CardDAV). + +domain="<DAV server domain" # example: https://dav.mailbox.org +user="<username>" +pass="<password>" + +get_cal() { + curl -s -X "PROPFIND" -u "${user}:${pass}" -H "Content-Type: text/xml" -H "Depth: 1" \ + --data "<propfind xmlns='DAV:'><prop><calendar-data xmlns='urn:ietf:params:xml:ns:caldav'/></prop></propfind>" \ + "${domain}/${resource}" +} + +get_card() { + curl -s -X "PROPFIND" -u "${user}:${pass}" -H "Content-Type: text/xml" -H "Depth: 1" \ + --data "<propfind xmlns='DAV:'><prop><address-data xmlns=\"urn:ietf:params:xml:ns:carddav\"/></prop></propfind>" \ + "${domain}/${resource}" +} + +process_cal() { + intro="BEGIN:VCALENDAR" + pre="BEGIN:VEVENT" + post="END:VEVENT" + step="0" + while read -r line; do + case $step in + 0) echo "${line%}" | grep -q "${intro}" && step="1" && echo "${intro}" ;; + 1) echo "${line%}" && [ "${line%}" = "${post}" ] && step="2" ;; + 2) [ "${line%}" = "${pre}" ] && step="1" && echo "${line%}" ;; + esac + done + echo "END:VCALENDAR" +} + +process_card() { + pre="BEGIN:VCARD" + post="END:VCARD" + step="1" + while read -r line; do + case $step in + 1) echo "${line%}" | grep -q "${pre}" && step="2" && echo "${pre}" ;; + 2) echo "${line%}" | grep -q "${post}" && step="1" && echo "${post}" \ + || echo "${line%}" ;; + esac + done +} + +# examples +resource="caldav/mycal" && get_cal | process_cal > calendar.ics +resource="carddav/mycard" && get_card | process_card > contacts.vcf