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#!/usr/bin/env bash
# Register a user for IndiePaaS
#
# This file:
# - Registers the domain name to NameCheap
# - Generates the TLS certificate associated
# - Configures the DNS
# - Configures the mail forwarding
#
# Version 0.0.1
#
# Authors:
# - Pierre Ozoux (pierre-o.fr)
#
# Usage:
# LOG_LEVEL=7 ./register.sh -n example.org -d
#
# Licensed under AGPLv3
### Configuration
#####################################################################
# Environment variables and their defaults
LOG_LEVEL="${LOG_LEVEL:-6}" # 7 = debug -> 0 = emergency
# Commandline options. This defines the usage page, and is used to parse cli
# opts & defaults from. The parsing is unforgiving so be precise in your syntax
read -r -d '' usage <<-'EOF'
-n [arg] Domain name to process. Required.
-d Enables debug mode
-h This page
EOF
### Functions
#####################################################################
function contains () {
local n=$#
local value=${!n}
for ((i=1;i < $#;i++)) {
if [ "${!i}" == "${value}" ]; then
echo "y"
return 0
fi
}
echo "n"
return 1
}
function TLD () {
echo ${arg_n} | cut -d. -f2,3
}
function SLD () {
echo ${arg_n} | cut -d. -f1
}
function call_API () {
output=$(curl -s "https://api.$NAMECHEAP_URL/xml.response\?ApiUser=${NAMECHEAP_API_USER}&ApiKey=${NAMECHEAP_API_KEY}&UserName=${NAMECHEAP_API_USER}&ClientIp=${IP}$1")
if [ -z $(echo ${output} | grep 'Status="OK"') ]; then
error "API call failed. Please read the output"
echo ${output}
exit 1
else
info "API call is a success."
fi
}
function create_domain_name () {
not_supported_extensions=("us" "eu" "nu" "asia" "ca" "co.uk" "me.uk" "org.uk" "com.au" "net.au" "org.au" "es" "nom.es" "com.es" "org.es" "de" "fr" "")
if [ $(contains "${not_supported_extensions[@]}" "$(TLD)") == "y" ]; then
error "Extension .${extension} is not yet supported.."
exit 1
fi
info "Buying Domain name."
arguments="&Command=namecheap.domains.create\
&DomainName=${arg_n}\
&Years=1\
&AuxBillingFirstName=${FirstName}\
&AuxBillingLastName=${LastName}\
&AuxBillingAddress1=${Address}\
&AuxBillingCity=${City}\
&AuxBillingPostalCode=${PostalCode}\
&AuxBillingCountry=${Country}\
&AuxBillingPhone=${Phone}\
&AuxBillingEmailAddress=${EmailAddress}\
&AuxBillingStateProvince=${City}\
&TechFirstName=${FirstName}\
&TechLastName=${LastName}\
&TechAddress1=${Address}\
&TechCity=${City}\
&TechPostalCode=${PostalCode}\
&TechCountry=${Country}\
&TechPhone=${Phone}\
&TechEmailAddress=${EmailAddress}\
&TechStateProvince=${City}\
&AdminFirstName=${FirstName}\
&AdminLastName=${LastName}\
&AdminAddress1=${Address}\
&AdminCity=${City}\
&AdminPostalCode=${PostalCode}\
&AdminCountry=${Country}\
&AdminPhone=${Phone}\
&AdminEmailAddress=${EmailAddress}\
&AdminStateProvince=${City}\
&RegistrantFirstName=${FirstName}\
&RegistrantLastName=${LastName}\
&RegistrantAddress1=${Address}\
&RegistrantCity=${City}\
&RegistrantPostalCode=${PostalCode}\
&RegistrantCountry=${Country}\
&RegistrantPhone=${Phone}\
&RegistrantEmailAddress=${EmailAddress}\
&RegistrantStateProvince=${City}"
call_API ${arguments}
info "Changing email forwarding."
arguments="&Command=namecheap.domains.dns.setEmailForwarding\
&DomainName=${arg_n}\
&mailbox1=hostmaster\
&ForwardTo1=${EmailAddress}"
call_API ${arguments}
}
function generate_certificate () {
TLS_FOLDER=/data/import/${arg_n}/TLS
info "Creating import folder."
mkdir -p ${TLS_FOLDER}/CSR
info "Generating the key."
openssl genrsa -out ${TLS_FOLDER}//CSR/${arg_n}.key 4096
info "Creating the request."
openssl req -new \
-key ${TLS_FOLDER}/CSR/${arg_n}.key \
-out ${TLS_FOLDER}/CSR/${arg_n}.csr \
-subj "/C=${CountryCode}/ST=${City}/L=${City}/O=${arg_n}/OU=/CN=${arg_n}/emailAddress=${EmailAddress}"
info "Here is your CSR, paste it in your Certificate authority interface."
echo ""
cat ${TLS_FOLDER}/CSR/${arg_n}.csr
echo ""
info "You should have received a certificate"
info "Please paste your certificate now"
IFS= read -d '' -n 1 certificate
while IFS= read -d '' -n 1 -t 2 c
do
certificate+=$c
done
if [ "${arg_d}" = "1" ]; then
echo ${certificate}
fi
echo ${certificate} > ${TLS_FOLDER}/CSR/${arg_n}.cert
info "Concat certificate, CA and key into pem file"
cat ${TLS_FOLDER}/CSR/${arg_n}.cert /data/indiehosters/scripts/sub.class2.server.ca.pem ${TLS_FOLDER}/CSR/${arg_n}.key > ${TLS_FOLDER}/${arg_n}.pem
}
function configure_dns () {
info "Configuring DNS."
arguments="&Command=namecheap.domains.dns.setHosts\
&DomainName=${arg_n}\
&SLD=$(SLD)\
&TLD=$(TLD)\
&HostName1=@\
&RecordType1=A\
&Address1=${IP}\
&HostName2=www\
&RecordType2=CNAME\
&Address2=${arg_n}\
&HostName3=mail\
&RecordType3=A\
&Address3=${IP}\
&HostName4=@\
&RecordType4=MX\
&Address4=mail.${arg_n}\
&MXPref4=10"
call_API ${arguments}
}
function _fmt () {
local color_ok="\x1b[32m"
local color_bad="\x1b[31m"
local color="${color_bad}"
if [ "${1}" = "debug" ] || [ "${1}" = "info" ] || [ "${1}" = "notice" ]; then
color="${color_ok}"
fi
local color_reset="\x1b[0m"
if [[ "${TERM}" != "xterm"* ]] || [ -t 1 ]; then
# Don't use colors on pipes or non-recognized terminals
color=""; color_reset=""
fi
echo -e "$(date -u +"%Y-%m-%d %H:%M:%S UTC") ${color}$(printf "[%9s]" ${1})${color_reset}";
}
function emergency () { echo "$(_fmt emergency) ${@}" 1>&2 || true; exit 1; }
function alert () { [ "${LOG_LEVEL}" -ge 1 ] && echo "$(_fmt alert) ${@}" 1>&2 || true; }
function critical () { [ "${LOG_LEVEL}" -ge 2 ] && echo "$(_fmt critical) ${@}" 1>&2 || true; }
function error () { [ "${LOG_LEVEL}" -ge 3 ] && echo "$(_fmt error) ${@}" 1>&2 || true; }
function warning () { [ "${LOG_LEVEL}" -ge 4 ] && echo "$(_fmt warning) ${@}" 1>&2 || true; }
function notice () { [ "${LOG_LEVEL}" -ge 5 ] && echo "$(_fmt notice) ${@}" 1>&2 || true; }
function info () { [ "${LOG_LEVEL}" -ge 6 ] && echo "$(_fmt info) ${@}" 1>&2 || true; }
function debug () { [ "${LOG_LEVEL}" -ge 7 ] && echo "$(_fmt debug) ${@}" 1>&2 || true; }
function help () {
echo "" 1>&2
echo " ${@}" 1>&2
echo "" 1>&2
echo " ${usage}" 1>&2
echo "" 1>&2
exit 1
}
function cleanup_before_exit () {
info "Cleaning up. Done"
}
trap cleanup_before_exit EXIT
### Parse commandline options
#####################################################################
# Translate usage string -> getopts arguments, and set $arg_<flag> defaults
while read line; do
opt="$(echo "${line}" |awk '{print $1}' |sed -e 's#^-##')"
if ! echo "${line}" |egrep '\[.*\]' >/dev/null 2>&1; then
init="0" # it's a flag. init with 0
else
opt="${opt}:" # add : if opt has arg
init="" # it has an arg. init with ""
fi
opts="${opts}${opt}"
varname="arg_${opt:0:1}"
if ! echo "${line}" |egrep '\. Default=' >/dev/null 2>&1; then
eval "${varname}=\"${init}\""
else
match="$(echo "${line}" |sed 's#^.*Default=\(\)#\1#g')"
eval "${varname}=\"${match}\""
fi
done <<< "${usage}"
# Reset in case getopts has been used previously in the shell.
OPTIND=1
# Overwrite $arg_<flag> defaults with the actual CLI options
while getopts "${opts}" opt; do
line="$(echo "${usage}" |grep "\-${opt}")"
[ "${opt}" = "?" ] && help "Invalid use of script: ${@} "
varname="arg_${opt:0:1}"
default="${!varname}"
value="${OPTARG}"
if [ -z "${OPTARG}" ] && [ "${default}" = "0" ]; then
value="1"
fi
eval "${varname}=\"${value}\""
debug "cli arg ${varname} = ($default) -> ${!varname}"
done
shift $((OPTIND-1))
[ "$1" = "--" ] && shift
### Switches (like -d for debugmdoe, -h for showing helppage)
#####################################################################
# debug mode
if [ "${arg_d}" = "1" ]; then
set -o xtrace
LOG_LEVEL="7"
fi
# help mode
if [ "${arg_h}" = "1" ]; then
# Help exists with code 1
help "Help using ${0}"
fi
### Validation (decide what's required for running your script and error out)
#####################################################################
[ -z "${arg_n}" ] && help "Setting a domain name with -n is required"
[ -z "${LOG_LEVEL}" ] && emergency "Cannot continue without LOG_LEVEL. "
### Runtime
#####################################################################
# Exit on error. Append ||true if you expect an error.
# set -e is safer than #!/bin/bash -e because that is neutralised if
# someone runs your script like `bash yourscript.sh`
set -o errexit
set -o nounset
# Bash will remember & return the highest exitcode in a chain of pipes.
# This way you can catch the error in case mysqldump fails in `mysqldump |gzip`
set -o pipefail
if [[ "${OSTYPE}" == "darwin"* ]]; then
info "You are on OSX"
fi
create_domain_name
generate_certificate
configure_dns