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