#!/bin/bash
# info: check letsencrypt domain
# options: USER DOMAIN [ALIASES] [MAIL]
#
# example: v-add-letsencrypt-domain admin wonderland.com www.wonderland.com,demo.wonderland.com
# example: v-add-letsencrypt-domain admin wonderland.com '' yes
#
# This function check and validates domain with Let's Encrypt

#----------------------------------------------------------#
#                Variables & Functions                     #
#----------------------------------------------------------#

# Argument definition
user=$1
domain=$2
aliases=$3
mail=${4// /}

# Includes
# shellcheck source=/etc/hestiacp/hestia.conf
source /etc/hestiacp/hestia.conf
# shellcheck source=/usr/local/hestia/func/main.sh
source $HESTIA/func/main.sh
# shellcheck source=/usr/local/hestia/func/domain.sh
source $HESTIA/func/domain.sh
# load config file
source_conf "$HESTIA/conf/hestia.conf"

# LE API
LE_API='https://acme-v02.api.letsencrypt.org'

if [[ "$LE_STAGING" = 'yes' ]]; then
	LE_API='https://acme-staging-v02.api.letsencrypt.org'
fi

# encode base64
encode_base64() {
	cat | base64 | tr '+/' '-_' | tr -d '\r\n='
}

# Let's Encrypt v2 curl function
query_le_v2() {
	protected='{"nonce": "'$3'",'
	protected=''$protected' "url": "'$1'",'
	protected=''$protected' "alg": "RS256", "kid": "'$KID'"}'
	content="Content-Type: application/jose+json"

	payload_=$(echo -n "$2" | encode_base64)
	protected_=$(echo -n "$protected" | encode_base64)
	signature_=$(printf "%s" "$protected_.$payload_" \
		| openssl dgst -sha256 -binary -sign $USER_DATA/ssl/user.key \
		| encode_base64)

	post_data='{"protected":"'"$protected_"'",'
	post_data=$post_data'"payload":"'"$payload_"'",'
	post_data=$post_data'"signature":"'"$signature_"'"}'

	# Save http response to file passed as "$4" arg or print to stdout if not provided
	# http response headers are always sent to stdout
	local save_to_file=${4:-"/dev/stdout"}
	curl --location --user-agent "HestiaCP" --insecure --retry 5 --retry-connrefused --silent --dump-header /dev/stdout --data "$post_data" "$1" --header "$content" --output "$save_to_file"
	debug_log "API call" "exit status: $?"
}

#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '2' "$#" 'USER DOMAIN [ALIASES] [MAIL]'
is_format_valid 'user' 'domain' 'aliases'
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
if [ -n "$mail" ]; then
	is_boolean_format_valid "$mail" 'mail'
fi

# Set DNS CAA record retrieval commands
if [ -n "$DNS_SYSTEM" ]; then
	dns_domain=$($BIN/v-list-dns-domains "$user" | grep "$domain" | cut -d' ' -f1)
	caa_record=$($BIN/v-list-dns-records "$user" "$domain" | grep -i "CAA" | grep -i "letsencrypt.org" | cut -d' ' -f1)
fi

if [ -z "$mail" ] || [ "$mail" = 'no' ]; then
	mail=''
	is_system_enabled "$WEB_SYSTEM" 'WEB_SYSTEM'
	is_object_valid 'web' 'DOMAIN' "$domain"
	is_object_unsuspended 'web' 'DOMAIN' "$domain"
	get_domain_values 'web'
	# check if alias is the letsencrypt wildcard domain, if not, make the normal checks
	if [[ "$aliases" != "*.$domain" ]]; then
		for alias in $(echo "$aliases" | tr ',' '\n' | sort -u); do
			check_alias="$(echo $ALIAS | tr ',' '\n' | grep ^$alias$)"
			if [ -z "$check_alias" ]; then
				check_result "$E_NOTEXIST" "domain alias $alias doesn't exist"
			fi
		done
	fi
else
	is_system_enabled "$MAIL_SYSTEM" 'MAIL_SYSTEM'
	is_object_valid 'mail' 'DOMAIN' "$domain"
	is_object_unsuspended 'mail' 'DOMAIN' "$domain"
fi

# Dump debug info
debug_log() {
	echo -e "\n==[${1}]==\n${2}\n" >> "$log_file"
}

# Perform verification if read-only mode is enabled
check_hestia_demo_mode

#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Generate correct variables for mail domain SSL certificates
if [ -n "$mail" ]; then
	root_domain=$domain
	domain="mail.$root_domain"
	webmail=$(get_object_value "mail" "DOMAIN" "$root_domain" '$WEBMAIL')
	if [ -n "$webmail" ]; then
		aliases="$WEBMAIL_ALIAS.$root_domain"
	fi
else
	parse_object_kv_list $(grep "DOMAIN='$domain'" $USER_DATA/web.conf)

	domain_redirect="$REDIRECT"
	if [[ -n "$domain_redirect" ]]; then
		domain_redirect_code="$REDIRECT_CODE"
		$BIN/v-delete-web-domain-redirect $user $domain
	fi

	domain_forcessl="$SSL_FORCE"
	if [[ "$domain_forcessl" == 'yes' ]]; then
		$BIN/v-delete-web-domain-ssl-force $user $domain
	fi
fi

log_file="/var/log/hestia/LE-${user}-${domain}.log"
touch "$log_file"
chmod 600 "$log_file"

echo -e "\n\n=============================
Date Time: $(date +%Y-%m-%d) $(date +%H:%M:%S)
WEB_SYSTEM: ${WEB_SYSTEM}
PROXY_SYSTEM: ${PROXY_SYSTEM}
user: ${user}
domain: ${domain}
" >> "$log_file"

# Registering LetsEncrypt user account
$BIN/v-add-letsencrypt-user $user
if [ "$?" -ne 0 ]; then
	touch $HESTIA/data/queue/letsencrypt.pipe
	sed -i "/ $domain /d" $HESTIA/data/queue/letsencrypt.pipe
	send_notice "LETSENCRYPT" "Account registration failed ($user)"
	check_result "$E_CONNECT" "LE account registration ($user)" > /dev/null
fi

# Parsing LetsEncrypt account data
source $USER_DATA/ssl/le.conf

# Checking wildcard alias
if [ "$aliases" = "*.$domain" ]; then
	wildcard='yes'
	proto="dns-01"
	if [ ! -e "$HESTIA/data/users/$user/dns/$domain.conf" ]; then
		check_result "$E_NOTEXIST" "DNS domain $domain doesn't exist"
	fi
else
	proto="http-01"
fi

echo -e "
- aliases: ${aliases}
- proto: ${proto}
- wildcard: ${wildcard}
" >> "$log_file"

# Check if dns records exist for requested domain/aliases
if [ "$proto" = "http-01" ]; then
	for identifier in $(echo $domain,$aliases | tr ',' '\n' | sort -u); do
		if [[ "$identifier" = *[![:ascii:]]* ]]; then
			identifier=$(idn2 --quiet $identifier)
		fi
		if ! nslookup "${identifier}" > /dev/null 2>&1; then
			# Attempt against Cloudflare DNS
			if ! nslookup "${identifier}" 1.1.1.1 > /dev/null 2>&1; then
				check_result "$E_NOTEXIST" "DNS record for $identifier doesn't exist"
			fi
		fi
	done
fi

# Ensure DNS CAA record exists for Let's Encrypt before requesting certificate
if [ -n "$DNS_SYSTEM" ]; then
	# Check for DNS zone
	if [ "$dns_domain" = "$domain" ]; then
		# Replace DNS domain CAA records with Let's Encrypt values
		if [ -z "$caa_record" ]; then
			$BIN/v-add-dns-record "$user" "$domain" '@' 'CAA' '0 issue "letsencrypt.org"'
		else
			$BIN/v-delete-dns-record "$user" "$domain" "$caa_record"
			$BIN/v-add-dns-record "$user" "$domain" '@' 'CAA' '0 issue "letsencrypt.org"'
		fi
	fi
fi

# Requesting nonce / STEP 1
answer=$(curl --user-agent "HestiaCP" -s -I "$LE_API/directory")
nonce=$(echo "$answer" | grep -i nonce | cut -f2 -d \  | tr -d '\r\n')
status=$(echo "$answer" | grep HTTP/ | tail -n1 | cut -f 2 -d ' ')

debug_log "Step 1" "- status: ${status}\n- nonce: ${nonce}\n- answer: ${answer}"

if [[ "$status" -ne 200 ]]; then
	# Delete DNS CAA record
	if [ -n "$DNS_SYSTEM" ]; then
		if [ "$dns_domain" = "$domain" ]; then
			if [ -n "$caa_record" ]; then
				$BIN/v-delete-dns-record "$user" "$domain" "$caa_record"
			fi
		fi
	fi
	check_result "$E_CONNECT" "Let's Encrypt nonce request status $status ($domain)"
fi

# Placing new order / STEP 2
url="$LE_API/acme/new-order"
payload='{"identifiers":['
for identifier in $(echo $domain,$aliases | tr ',' '\n' | sort -u); do
	if [[ "$identifier" = *[![:ascii:]]* ]]; then
		identifier=$(idn2 --quiet $identifier)
	fi
	payload=$payload'{"type":"dns","value":"'$identifier'"},'
done
payload=$(echo "$payload" | sed "s/,$//")
payload=$payload']}'
answer=$(query_le_v2 "$url" "$payload" "$nonce")
nonce=$(echo "$answer" | grep -i nonce | cut -f2 -d \  | tr -d '\r\n')
authz=$(echo "$answer" | grep "acme/authz" | cut -f2 -d '"')
finalize=$(echo "$answer" | grep 'finalize":' | cut -f4 -d '"')
status=$(echo "$answer" | grep HTTP/ | tail -n1 | cut -f2 -d ' ')
order=$(echo -e "$answer" | grep -i location | cut -f2 -d \  | tr -d '\r\n')

debug_log "Step 2" "- status: ${status}\n- nonce: ${nonce}\n- authz: ${authz}\n- finalize: ${finalize}\n- payload: ${payload}\n- answer: ${answer}\n order: ${order}"

if [[ "$status" -ne 201 ]]; then
	# Delete DNS CAA record
	if [ -n "$DNS_SYSTEM" ]; then
		if [ "$dns_domain" = "$domain" ]; then
			if [ -n "$caa_record" ]; then
				$BIN/v-delete-dns-record "$user" "$domain" "$caa_record"
			fi
		fi
	fi
	check_result $E_CONNECT "Let's Encrypt new auth status $status ($domain)"
fi

# Requesting authorization token / STEP 3
for auth in $authz; do
	payload=''
	answer=$(query_le_v2 "$auth" "$payload" "$nonce")
	url=$(echo "$answer" | grep -A3 $proto | grep -m1 url | cut -f 4 -d \")
	token=$(echo "$answer" | grep -A3 $proto | grep token | cut -f 4 -d \")
	nonce=$(echo "$answer" | grep -i nonce | cut -f2 -d \  | tr -d '\r\n')
	status=$(echo "$answer" | grep HTTP/ | tail -n1 | cut -f 2 -d ' ')

	debug_log "Step 3" "- status: ${status}\n- nonce: ${nonce}\n- url: ${url}\n- token: ${token}\n- answer: ${answer}"

	if [[ "$status" -ne 200 ]]; then
		# Delete DNS CAA record
		if [ -n "$DNS_SYSTEM" ]; then
			dns_domain=$($BIN/v-list-dns-domains "$user" | grep "$domain" | cut -d' ' -f1)
			caa_record=$($BIN/v-list-dns-records "$user" "$domain" | grep -i "letsencrypt" | cut -d' ' -f1)

			if [ "$dns_domain" = "$domain" ]; then
				if [ -n "$caa_record" ]; then
					$BIN/v-delete-dns-record "$user" "$domain" "$caa_record"
				fi
			fi
		fi
		check_result "$E_CONNECT" "Let's Encrypt acme/authz bad status $status ($domain)"
	fi

	# Accepting challenge / STEP 4
	if [ "$wildcard" = 'yes' ]; then
		record=$(printf "%s" "$token.$THUMB" \
			| openssl dgst -sha256 -binary | encode_base64)
		old_records=$($BIN/v-list-dns-records "$user" "$domain" plain | grep 'TXT')
		old_records=$(echo "$old_records" | grep _acme-challenge | cut -f 1)
		for old_record in $old_records; do
			$BIN/v-delete-dns-record "$user" "$domain" "$old_record"
		done
		$BIN/v-add-dns-record "$user" "$domain" "_acme-challenge" "TXT" "$record"
		check_result $? "DNS _acme-challenge record wasn't created ($domain)"
	else
		if [ -z "$mail" ]; then
			if [ "$WEB_SYSTEM" = 'nginx' ] || [ "$PROXY_SYSTEM" = 'nginx' ]; then
				conf="$HOMEDIR/$user/conf/web/$domain/nginx.conf_letsencrypt"
				sconf="$HOMEDIR/$user/conf/web/$domain/nginx.ssl.conf_letsencrypt"
				echo 'location ~ "^/\.well-known/acme-challenge/([-_A-Za-z0-9]+)$" {' \
					> $conf
				echo '    default_type text/plain;' >> $conf
				echo '    return 200 "$1.'$THUMB'";' >> $conf
				echo '}' >> $conf
				if [ ! -e "$sconf" ]; then
					ln -s "$conf" "$sconf"
				fi
				if [ -n "$PROXY_SYSTEM" ]; then
					$BIN/v-restart-proxy
					check_result $? "Proxy restart failed" > /dev/null
				fi
			else
				# Get root directory from configuration
				domain_config="$HOMEDIR/$user/conf/web/$domain"
				if [ -f "$domain_config/apache2.conf" ]; then
					well_known="$(cat $domain_config/apache2.conf | egrep \
						'^\s+DocumentRoot' | awk '{split($0, a, " "); \
                                print a[2]}')/.well-known"
				else
					well_known="$(cat $domain_config/nginx.conf | egrep '^\s+root' \
						| awk '{split($0, a, " "); print a[2]}' \
						| sed 's/;$//')/.well-known"
				fi
				acme_challenge="$well_known/acme-challenge"
				mkdir -p $acme_challenge
				echo "$token.$THUMB" > $acme_challenge/$token
				chown -R $user:$user $well_known
			fi
		else
			if [ "$WEB_SYSTEM" = 'nginx' ] || [ "$PROXY_SYSTEM" = 'nginx' ]; then
				conf="$HOMEDIR/$user/conf/mail/$root_domain/nginx.conf_letsencrypt"
				sconf="$HOMEDIR/$user/conf/mail/$root_domain/nginx.ssl.conf_letsencrypt"
				echo 'location ~ "^/\.well-known/acme-challenge/([-_A-Za-z0-9]+)$" {' \
					> $conf
				echo '    default_type text/plain;' >> $conf
				echo '    return 200 "$1.'$THUMB'";' >> $conf
				echo '}' >> $conf
				if [ ! -e "$sconf" ]; then
					ln -s "$conf" "$sconf"
				fi
				if [ -n "$PROXY_SYSTEM" ]; then
					$BIN/v-restart-proxy
					check_result $? "Proxy restart failed" > /dev/null
				fi
			else
				get_object_value 'mail' 'DOMAIN' "$root_domain" "WEBMAIL"
				if [ -n "$WEBMAIL" ]; then
					well_known="/var/lib/$WEBMAIL/.well-known"
					acme_challenge="$well_known/acme-challenge"
					mkdir -p $acme_challenge
					echo "$token.$THUMB" > $acme_challenge/$token
					chown -R $user:$user $well_known
				fi
			fi
		fi
		if [ "$WEB_SYSTEM" = 'nginx' ]; then
			$BIN/v-restart-web
			check_result $? "Web restart failed" > /dev/null
		fi
	fi

	if [ "$DNS_CLUSTER" = "yes" ]; then
		$BIN/v-update-sys-queue dns-cluster
	fi

	# Requesting ACME validation / STEP 5
	validation_check=$(echo "$answer" | grep '"valid"')
	if [[ -n "$validation_check" ]]; then
		validation='valid'
	else
		validation='pending'
		sleep 5
	fi

	# Doing pol check on status
	i=1
	while [ "$validation" = 'pending' ]; do
		payload='{}'
		answer=$(query_le_v2 "$url" "$payload" "$nonce")
		validation=$(echo "$answer" | grep -A1 $proto | tail -n1 | cut -f4 -d \")
		nonce=$(echo "$answer" | grep -i nonce | cut -f2 -d \  | tr -d '\r\n')
		status=$(echo "$answer" | grep HTTP/ | tail -n1 | cut -f 2 -d ' ')
		details=$(echo "$answer" | grep detail | cut -f 1 -d ',' | cut -f 2-4 -d ':' | cut -f 2 -d '"')

		debug_log "Step 5" "- status: ${status}\n- url: ${url}\n- nonce: ${nonce}\n- validation: ${validation}\n- details: ${details}\n- answer: ${answer}"

		if [[ "$status" -ne 200 ]]; then
			# Delete DNS CAA record
			if [ -n "$DNS_SYSTEM" ]; then
				dns_domain=$($BIN/v-list-dns-domains "$user" | grep "$domain" | cut -d' ' -f1)
				caa_record=$($BIN/v-list-dns-records "$user" "$domain" | grep -i "letsencrypt" | cut -d' ' -f1)

				if [ "$dns_domain" = "$domain" ]; then
					if [ -n "$caa_record" ]; then
						$BIN/v-delete-dns-record "$user" "$domain" "$caa_record"
					fi
				fi
			fi
			# Download debug info from LE server
			result=$(wget -qO- $url)
			debug_log "Debug information Step 5" "$result"
			details=$(echo $result | jq '.error.detail')
			error_code=$(echo $result | jq '.error.status')

			debug_log "Abort Step 5" "=> Wrong status"
			check_result "$E_CONNECT" "Let's Encrypt validation status $status ($domain). Details: $error_code:$details"
		fi

		i=$((i + 1))
		if [ "$i" -gt 10 ]; then
			# Delete DNS CAA record
			if [ -n "$DNS_SYSTEM" ]; then
				dns_domain=$($BIN/v-list-dns-domains "$user" | grep "$domain" | cut -d' ' -f1)
				caa_record=$($BIN/v-list-dns-records "$user" "$domain" | grep -i "letsencrypt" | cut -d' ' -f1)

				if [ "$dns_domain" = "$domain" ]; then
					if [ -n "$caa_record" ]; then
						$BIN/v-delete-dns-record "$user" "$domain" "$caa_record"
					fi
				fi
			fi
			debug_log "Abort Step 5" "=> Too many validation retries"
			check_result "$E_CONNECT" "Let's Encrypt domain validation timeout ($domain)"
		fi
		sleep $((i * 2))
	done
	if [ "$validation" = 'invalid' ]; then
		# Delete DNS CAA record
		if [ -n "$DNS_SYSTEM" ]; then
			dns_domain=$($BIN/v-list-dns-domains "$user" | grep "$domain" | cut -d' ' -f1)
			caa_record=$($BIN/v-list-dns-records "$user" "$domain" | grep -i "letsencrypt" | cut -d' ' -f1)

			if [ "$dns_domain" = "$domain" ]; then
				if [ -n "$caa_record" ]; then
					$BIN/v-delete-dns-record "$user" "$domain" "$caa_record"
				fi
			fi
		fi
		check_result "$E_CONNECT" "Let's Encrypt domain verification failed ($domain)"
	fi
done

# Generating new ssl certificate
ssl_dir=$($BIN/v-generate-ssl-cert "$domain" "info@$domain" "US" "California" \
	"San Francisco" "Hestia" "IT" "$aliases" | tail -n1 | awk '{print $2}')

# Sending CSR to finalize order / STEP 6
csr=$(openssl req -in $ssl_dir/$domain.csr -outform DER | encode_base64)
payload='{"csr":"'$csr'"}'
answer=$(query_le_v2 "$finalize" "$payload" "$nonce")
nonce=$(echo "$answer" | grep -i nonce | cut -f2 -d \  | tr -d '\r\n')
status=$(echo "$answer" | grep HTTP/ | tail -n1 | cut -f 2 -d ' ')
certificate=$(echo "$answer" | grep 'certificate":' | cut -f4 -d '"')

debug_log "Step 6" "- status: ${status}\n- nonce: ${nonce}\n- payload: ${payload}\n- certificate: ${certificate}\n- answer: ${answer}"

if [[ "$status" -ne 200 ]]; then
	[ -d "$ssl_dir" ] && rm -rf "$ssl_dir"
	check_result "$E_CONNECT" "Let's Encrypt finalize bad status $status ($domain)"
fi

if [ -z "$certificate" ]; then
	validation="processing"
	i=1
	while [ "$validation" = "processing" ]; do
		answer=$(query_le_v2 "$order" "" "$nonce")
		i=$((i + 1))

		nonce=$(echo "$answer" | grep -i nonce | cut -f2 -d \  | tr -d '\r\n')
		status=$(echo "$answer" | grep HTTP/ | tail -n1 | cut -f 2 -d ' ')
		validation=$(echo "$answer" | grep 'status":' | cut -f4 -d '"')
		certificate=$(echo "$answer" | grep 'certificate":' | cut -f4 -d '"')
		sleep $((i * 2)) # Sleep for 2s, 4s, 6s, 8s
		if [ $i -gt 10 ]; then
			check_result "$E_CONNECT" "Certificate processing timeout ($domain)"
		fi
		debug_log "Step 7" "- status: ${status}\n- nonce: ${nonce}\n- payload: ${payload}\n- certificate: ${certificate}\n- answer: ${answer}"
	done
fi

# Downloading signed certificate / STEP 7
status=0
retry=0

while [[ $status != 200 && $retry -lt 3 ]]; do

	answer=$(query_le_v2 "$certificate" "" "$nonce" "$ssl_dir/$domain.pem")
	status=$(echo "$answer" | grep HTTP/ | tail -n1 | cut -f 2 -d ' ')

	debug_log "Step 8" "- status: ${status}\n- retry: ${retry}\n- answer: ${answer}"

	if [[ $status != 200 ]]; then
		retry=$((retry + 1))
		sleep $((retry * 2)) # Sleep for 2s, 4s, 6s, 8s
	fi

done

# Fallback on depreciated download method for certs (unauthenticated GET)
if [[ $status != 200 ]]; then
	answer=$(curl --insecure --user-agent "HestiaCP" --retry 5 --retry-connrefused --silent --dump-header /dev/stdout "$certificate" --output "$ssl_dir/$domain.pem")
	status=$(echo "$answer" | grep HTTP/ | tail -n1 | cut -f 2 -d ' ')

	debug_log "Step 8 - Fallback" "- status: ${status}\n- answer: ${answer}"
fi

debug_log "CERT DIR" "$(ls -las "$ssl_dir/")"
debug_log "CERT PEM" "$(cat "$ssl_dir/$domain.pem")"

if [[ "$status" -ne 200 ]]; then
	[ -d "$ssl_dir" ] && rm -rf "$ssl_dir"
	check_result "$E_NOTEXIST" "Let's Encrypt downloading signed cert failed status:$status ($domain)"
fi

# Splitting up downloaded pem
crt_end=$(grep -n 'END CERTIFICATE' $ssl_dir/$domain.pem | head -n1 | cut -f1 -d:)
head -n $crt_end $ssl_dir/$domain.pem > $ssl_dir/$domain.crt

pem_lines=$(wc -l $ssl_dir/$domain.pem | cut -f 1 -d ' ')
ca_end=$(grep -n 'BEGIN CERTIFICATE' $ssl_dir/$domain.pem | tail -n1 | cut -f 1 -d :)
ca_end=$((pem_lines - crt_end + 1))
tail -n $ca_end $ssl_dir/$domain.pem > $ssl_dir/$domain.ca

debug_log "CERT CRT" "$(cat "$ssl_dir/$domain.crt")"
debug_log "CERT CA-1" "$(cat "$ssl_dir/$domain.ca")"
# Temporary fix for double "END CERTIFICATE"
if [[ $(head -n 1 $ssl_dir/$domain.ca) = "-----END CERTIFICATE-----" ]]; then
	sed -i '1,2d' $ssl_dir/$domain.ca
fi
debug_log "CERT CA-2" "$(cat "$ssl_dir/$domain.ca")"

# Rename certs for mail
if [ -n "$mail" ]; then
	mv $ssl_dir/$domain.ca $ssl_dir/$root_domain.ca
	mv $ssl_dir/$domain.crt $ssl_dir/$root_domain.crt
	mv $ssl_dir/$domain.csr $ssl_dir/$root_domain.csr
	mv $ssl_dir/$domain.key $ssl_dir/$root_domain.key
	mv $ssl_dir/$domain.pem $ssl_dir/$root_domain.pem
fi

# Adding SSL
if [ -z "$mail" ]; then
	ssl_home="$(get_object_value 'web' 'DOMAIN' "$domain" '$SSL_HOME')"
	ssl_enabled="$(get_object_value 'web' 'DOMAIN' "$domain" '$SSL')"
	if [ "$ssl_enabled" = "yes" ]; then
		$BIN/v-update-web-domain-ssl "$user" "$domain" "$ssl_dir" "updatessl"
	else
		$BIN/v-add-web-domain-ssl "$user" "$domain" "$ssl_dir" "$ssl_home" "updatessl"
	fi
else
	# TODO replace with v-update-mail-domain-ssl if ssl is enabled
	ssl_enabled="$(get_object_value 'mail' 'DOMAIN' "$root_domain" '$SSL')"
	if [ "$ssl_enabled" = "yes" ]; then
		$BIN/v-update-mail-domain-ssl "$user" "$root_domain" "$ssl_dir" "updatessl"
	else
		$BIN/v-add-mail-domain-ssl "$user" "$root_domain" "$ssl_dir" "updatessl"
	fi
fi

if [ "$?" -ne '0' ]; then
	[ -d "$ssl_dir" ] && rm -rf "$ssl_dir"
	touch $HESTIA/data/queue/letsencrypt.pipe
	sed -i "/ $domain /d" $HESTIA/data/queue/letsencrypt.pipe
	send_notice 'LETSENCRYPT' "$domain certificate installation failed ($domain)"
	check_result $? "SSL install" > /dev/null
fi

# Adding LE autorenew cronjob
if [ -z "$(grep v-update-letsen "$HESTIA/data/users/$ROOT_USER/cron.conf")" ]; then
	min=$(generate_password '012345' '2')
	hour=$(generate_password '1234567' '1')
	echo "$min $hour * * * sudo /usr/local/hestia/bin/v-update-letsencrypt-ssl" > /etc/cron.d/hestiaweb
fi

# Updating letsencrypt key
if [ -z "$mail" ]; then
	if [ -z "$LETSENCRYPT" ]; then
		add_object_key "web" 'DOMAIN' "$domain" 'LETSENCRYPT' 'FTP_USER'
		add_object_key "web" 'DOMAIN' "$domain" 'LETSENCRYPT_FAIL_COUNT' 'LETSENCRYPT'
	fi
	update_object_value 'web' 'DOMAIN' "$domain" '$LETSENCRYPT' 'yes'
	update_object_value 'web' 'DOMAIN' "$domain" '$LETSENCRYPT_FAIL_COUNT' "0"

	if [[ "$domain_forcessl" == 'yes' ]]; then
		$BIN/v-add-web-domain-ssl-force $user $domain
	fi
	if [[ -n "$domain_redirect" ]]; then
		$BIN/v-add-web-domain-redirect $user $domain $domain_redirect $domain_redirect_code
	fi

else
	if [ -z "$LETSENCRYPT" ]; then
		add_object_key "mail" 'DOMAIN' "$root_domain" 'LETSENCRYPT'
		add_object_key "mail" 'DOMAIN' "$root_domain" 'LETSENCRYPT_FAIL_COUNT' 'LETSENCRYPT'
	fi
	update_object_value 'mail' 'DOMAIN' "$root_domain" '$LETSENCRYPT' 'yes'
	update_object_value 'mail' 'DOMAIN' "$root_domain" '$LETSENCRYPT_FAIL_COUNT' "0"
fi

# Remove challenge folder if exist
if [ -n "$well_known" ]; then
	rm -fr $well_known
fi

# Remove temporary SSL folder
[ -d "$ssl_dir" ] && rm -rf "$ssl_dir"

#----------------------------------------------------------#
#                        Hestia                            #
#----------------------------------------------------------#

# Deleting task from queue
touch $HESTIA/data/queue/letsencrypt.pipe
sed -i "/ $domain /d" $HESTIA/data/queue/letsencrypt.pipe

# Notifying user
send_notice 'LETSENCRYPT' "$domain SSL has been installed successfully"

# Logging
log_event "$OK" "$ARGUMENTS"

# Cleanup debug since the SSL was issues successfully
rm -f "$log_file"

exit