matrix-notifier: add initial script

This has been tested to work on my homeserver.
This commit is contained in:
Bruno BELANYI 2021-06-12 01:11:43 +02:00
parent adc0cf4e81
commit f15f94dd9c

59
matrix-notifier Executable file
View file

@ -0,0 +1,59 @@
#!/usr/bin/env bash
print_err() {
printf "%s\n" "$1" >&2
}
# Blessed Stack Overflow
rawurlencode() {
(set +x
local string="${1}"
local strlen=${#string}
local encoded=""
local pos c o
for ((pos=0 ; pos<strlen; pos++)); do
c=${string:$pos:1}
case "$c" in
[-_.~a-zA-Z0-9] ) o="$c" ;;
* ) printf -v o '%%%02x' "'$c"
esac
encoded+="$o"
done
echo "$encoded")
}
if [ -z "$USER" ] || [ -z "$PASS" ]; then
print_err "You must provide USER and PASS"
exit 1
elif [ -z "$ADDRESS" ] || [ -z "$ROOM" ]; then
print_err "You must provide ADDRESS and ROOM"
exit 1
elif [ -z "$MESSAGE" ]; then
print_err "You must provide MESSAGE"
exit 1
fi
if [ "$(curl -XGET "$ADDRESS/_matrix/client/r0/login" 2>/dev/null |
jq 'any(.flows[].type; .== "m.login.password")')" != "true" ]; then
print_err "Login method not supported"
exit 1
fi
LOGIN_JSON="$(printf '%s\n%s' "$USER" "$PASS" |
jq -Rn '[inputs] | {type: "m.login.password", user: .[0], password: .[1]}')" &>/dev/null
TOKEN="$(curl -XPOST \
-d "$LOGIN_JSON" \
"$ADDRESS/_matrix/client/r0/login" 2>/dev/null| jq .access_token --raw-output)"
if [ -z "$TOKEN" ] || [ "$TOKEN" == "null" ]; then
print_err "Error during login"
exit 1
fi
MESSAGE_JSON="$(printf '%s' "$MESSAGE" |
jq --raw-input --slurp '{msgtype: "m.text", body: .}')"
curl -XPOST \
-d "$MESSAGE_JSON" \
"$ADDRESS/_matrix/client/r0/rooms/$(rawurlencode "$ROOM")/send/m.room.message?access_token=$(rawurlencode "$TOKEN")" 2>/dev/null