acme.sh/notify/slack.sh

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#!/usr/bin/env sh
#Support Slack webhooks
#SLACK_WEBHOOK_URL=""
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#SLACK_CHANNEL=""
#SLACK_USERNAME=""
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slack_send() {
_subject="$1"
_content="$2"
_statusCode="$3" #0: success, 1: error 2($RENEW_SKIP): skipped
_debug "_statusCode" "$_statusCode"
SLACK_WEBHOOK_URL="${SLACK_WEBHOOK_URL:-$(_readaccountconf_mutable SLACK_WEBHOOK_URL)}"
if [ -z "$SLACK_WEBHOOK_URL" ]; then
SLACK_WEBHOOK_URL=""
_err "You didn't specify a Slack webhook url SLACK_WEBHOOK_URL yet."
return 1
fi
_saveaccountconf_mutable SLACK_WEBHOOK_URL "$SLACK_WEBHOOK_URL"
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SLACK_CHANNEL="${SLACK_CHANNEL:-$(_readaccountconf_mutable SLACK_CHANNEL)}"
if [ -n "$SLACK_CHANNEL" ]; then
_saveaccountconf_mutable SLACK_CHANNEL "$SLACK_CHANNEL"
fi
SLACK_USERNAME="${SLACK_USERNAME:-$(_readaccountconf_mutable SLACK_USERNAME)}"
if [ -n "$SLACK_USERNAME" ]; then
_saveaccountconf_mutable SLACK_USERNAME "$SLACK_USERNAME"
fi
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export _H1="Content-Type: application/json"
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_content="$(printf "*%s*\n%s" "$_subject" "$_content" | _json_encode)"
_data="{\"text\": \"$_content\", "
if [ -n "$SLACK_CHANNEL" ]; then
_data="$_data\"channel\": \"$SLACK_CHANNEL\", "
fi
if [ -n "$SLACK_USERNAME" ]; then
_data="$_data\"username\": \"$SLACK_USERNAME\", "
fi
_data="$_data\"mrkdwn\": \"true\"}"
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if _post "$_data" "$SLACK_WEBHOOK_URL"; then
# shellcheck disable=SC2154
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if [ "$response" = "ok" ]; then
_info "slack send success."
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return 0
fi
fi
_err "slack send error."
_err "$response"
return 1
}