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Watchdog: escape subject and body for webhooks

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Marcel Schuster 2024-03-01 23:07:05 +01:00 committed by GitHub
parent d92ffe8fc7
commit 914a8204d4
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1 changed files with 6 additions and 2 deletions
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8
data/Dockerfiles/watchdog/watchdog.sh
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@ -169,9 +169,13 @@ function notify_error() {
return 1
fi
# Escape subject and body (https://stackoverflow.com/a/2705678)
ESCAPED_SUBJECT=$(echo ${SUBJECT} | sed -e 's/[\/&]/\\&/g')
ESCAPED_BODY=$(echo ${BODY} | sed -e 's/[\/&]/\\&/g')
# Replace subject and body placeholders
WEBHOOK_BODY=$(echo ${WATCHDOG_NOTIFY_WEBHOOK_BODY} | sed "s/\$SUBJECT\|\${SUBJECT}/$SUBJECT/g" | sed "s/\$BODY\|\${BODY}/$BODY/g")
WEBHOOK_BODY=$(echo ${WATCHDOG_NOTIFY_WEBHOOK_BODY} | sed -e "s/\$SUBJECT\|\${SUBJECT}/$ESCAPED_SUBJECT/g" -e "s/\$BODY\|\${BODY}/$ESCAPED_BODY/g")
# POST to webhook
curl -X POST -H "Content-Type: application/json" ${CURL_VERBOSE} -d "${WEBHOOK_BODY}" ${WATCHDOG_NOTIFY_WEBHOOK}