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dokku/plugins/certs/functions
2016-11-28 02:53:46 +00:00

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#!/usr/bin/env bash
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
help_formatted (){
echo -e 'Usage: dokku certs:COMMAND'
echo ''
echo 'Manage Dokku apps SSL (TLS) certs.'
echo ''
echo 'Additional commands:'
help_content_func | sort | column -c2 -t -s,
}
help_content_func () {
declare desc="return certs plugin help content"
cat<<help_content
certs, Manage Dokku apps SSL (TLS) certs
certs:add <app> CRT KEY, Add an ssl endpoint to an app. Can also import from a tarball on stdin
certs:chain CRT [CRT ...], [NOT IMPLEMENTED] Print the ordered and complete chain for the given certificate
certs:generate <app> DOMAIN, Generate a key and certificate signing request (and self-signed certificate)
certs:info <app>, Show certificate information for an ssl endpoint
certs:key <app> CRT KEY [KEY ...], [NOT IMPLEMENTED] Print the correct key for the given certificate
certs:remove <app>, Remove an SSL Endpoint from an app
certs:rollback <app>, [NOT IMPLEMENTED] Rollback an SSL Endpoint for an app
certs:update <app> CRT KEY, Update an SSL Endpoint on an app. Can also import from a tarball on stdin
help_content
}
is_ssl_enabled() {
declare desc="returns 0 if ssl is enabled for given app"
local APP=$1; verify_app_name "$APP"
local APP_SSL_PATH="$DOKKU_ROOT/$APP/tls"
if [[ -e "$APP_SSL_PATH/server.crt" ]] && [[ -e "$APP_SSL_PATH/server.key" ]]; then
return 0
else
return 1
fi
}
get_ssl_hostnames() {
declare desc="returns a string of ssl hostnames extracted from an app's ssl certificate"
local APP=$1; verify_app_name "$APP"
local SSL_PATH="$DOKKU_ROOT/$APP/tls"
local SSL_HOSTNAME=$(openssl x509 -in "$SSL_PATH/server.crt" -noout -subject | tr '/' '\n' | grep CN= | cut -c4-)
local SSL_HOSTNAME_ALT=$(openssl x509 -in "$SSL_PATH/server.crt" -noout -text | grep --after-context=1 '509v3 Subject Alternative Name:' | tail -n 1 | sed -e "s/[[:space:]]*DNS://g" | tr ',' '\n' || true)
if [[ -n "$SSL_HOSTNAME_ALT" ]]; then
local SSL_HOSTNAMES="${SSL_HOSTNAME}\n${SSL_HOSTNAME_ALT}"
else
local SSL_HOSTNAMES=$SSL_HOSTNAME
fi
echo -e "$SSL_HOSTNAMES" | sort -u
return 0
}