mirror of
https://github.com/m8tin/cis.git
synced 2025-12-06 07:48:26 +01:00
390 lines
13 KiB
Bash
390 lines
13 KiB
Bash
#!/bin/bash
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# curl http://your.domain.net/.well-known/acme-challenge/test
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# curl http://85.183.145.8/.well-known/acme-challenge/test
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# /var/www/letsencrypt/.well-known/acme-challenge
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function checkConfigViaHttp(){
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local _DOMAIN _MODE _LOCAL_FILE _LOCAL_URL _PUBLIC_URL
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_MODE="${1:?"checkConfigViaHttp(): Missing first parameter MODE"}"
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_DOMAIN="${2:?"checkConfigViaHttp(): Missing second parameter DOMAIN"}"
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_LOCAL_FILE="/var/www/letsencrypt/.well-known/acme-challenge/${_DOMAIN}"
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_LOCAL_URL="http://localhost/.well-known/acme-challenge/${_DOMAIN}"
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_PUBLIC_URL="http://${_DOMAIN}/.well-known/acme-challenge/${_DOMAIN}"
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readonly _DOMAIN _MODE _LOCAL_FILE _LOCAL_URL _PUBLIC_URL
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# Skip check if mode is not http
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[ "${_MODE}" != "http" ] \
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&& return 0
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_CHECK="Available on $(hostname)@$(date)"
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echo -n "Check domain '${_DOMAIN}'..." \
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&& echo "${_CHECK}" > "/var/www/letsencrypt/.well-known/acme-challenge/${_DOMAIN}" \
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&& curl -4s "${_PUBLIC_URL}" | grep -q "${_CHECK}" \
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&& echo " Fertig" \
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&& return 0
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echo "The configuration of domain '${_DOMAIN}' is INCORRECT:" >> /dev/stderr
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echo -n " ${_PUBLIC_URL} was not found." >> /dev/stderr
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curl -4s "${_LOCAL_URL}" | grep -q "${_CHECK}" \
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&& echo " (check DNS first)" \
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|| echo " (check Webserver first)" \
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return 1
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}
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function isActive(){
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local _DOMAIN _MODE _RESULT_CERTS
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_RESULT_CERTS="${RESULT_CERTS:?"isActive(): Missing global parameter RESULT_CERTS"}"
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_MODE="${1:?"isActive(): Missing first parameter MODE"}"
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_DOMAIN="${2:?"isActive(): Missing second parameter DOMAIN"}"
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readonly _DOMAIN _MODE _RESULT_CERTS
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# If mode is dns the domain is active always
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[ "${_MODE}" = "dns" ] \
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&& return 0
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nginx -T 2> /dev/null | grep -q "${_RESULT_CERTS}${_DOMAIN}/fullchain.crt" \
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&& return 0
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echo "Domain '${_DOMAIN}' is inaktiv and therefore it will be skipped."
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return 1
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}
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function isGitRepository(){
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git -C "${RESULT_CERTS:?"isGitRepository(): Missing global parameter RESULT_CERTS"}" ls-tree main &> /dev/null \
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&& return 0
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return 1
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}
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function tryGitPush(){
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local _DOMAIN _NOW _RESULT_CERTS
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_RESULT_CERTS="${RESULT_CERTS:?"tryGitPush(): Missing global parameter RESULT_CERTS"}"
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_DOMAIN="${1:?"tryGitPush(): Missing first parameter DOMAIN"}"
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_NOW="$(date +%Y%m%d_%H%M)"
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readonly _DOMAIN _NOW _RESULT_CERTS
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! isGitRepository \
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&& echo \
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&& echo "Folder '${_RESULT_CERTS}' is not part of a git repository, therefore nothing will be pushed." \
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&& return 1
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pushd "${_RESULT_CERTS}" > /dev/null
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git pull > /dev/null
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git add * > /dev/null
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git commit -m "${_NOW} - Certificate for '${_DOMAIN}' was updated." \
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&& git push > /dev/null \
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&& popd > /dev/null \
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&& echo "SUCCESS: certificate for '${_DOMAIN}' pushed." \
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&& return 0
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popd > /dev/null
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echo "FAILED: unable to push certificate for '${_DOMAIN}'."
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return 0
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}
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function own(){
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local _DOMAINS _MODE
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_DOMAINS=("${RESULT_CERTS:?"own(): Missing global parameter RESULT_CERTS"}"/*)
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_MODE="${1:?"own(): Missing first parameter MODE"}"
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readonly _DOMAINS _MODE
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! [ -d "${RESULT_CERTS}" ] \
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&& echo "Trying to derive domain names from subfolders of '${RESULT_CERTS}', but it is not a folder!" \
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&& return 1
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local _domain
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for _domain in "${_DOMAINS[@]}"; do
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# just take names of folders
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! [ -d "${_domain}" ] && continue
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# cut pfad (like basename)
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_domain="${_domain##*/}"
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# folder default => skip
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[ "${_domain}" == "default" ] && continue
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case "${_MODE}" in
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dns)
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# dns and wildcard certifikate => take just them
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echo "${_domain}" | grep -q -F "_." || continue
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# cut front '_.'
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_domain="${_domain#_.}"
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;;
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http)
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# http and wildcard certifikate => skip
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echo "${_domain}" | grep -q -F "_." && continue
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# ssl on domain inaktiv => skip
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isActive "{_MODE}" "${_domain}" || continue
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;;
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*)
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echo "Unknown mode: ${_MODE}"
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return 1
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;;
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esac
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single "${_MODE}" "${_domain}" "${2}"
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done
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return 0
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}
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function isExpiringSoon(){
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local _DOMAIN _DOMAIN_CERT _ENDDATE _MODE _NOW _REMAINING_DAYS _RESULT_CERTS
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_RESULT_CERTS="${RESULT_CERTS:?"single(): Missing global parameter RESULT_CERTS"}"
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_MODE="${1:?"isExpiringSoon(): Missing first parameter MODE"}"
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_DOMAIN="${2:?"isExpiringSoon(): Missing second parameter DOMAIN"}"
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[ "${_MODE}" = "dns" ] \
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&& _DOMAIN_CERT="${_RESULT_CERTS}_.${_DOMAIN}/fullchain.crt"
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[ "${_MODE}" = "http" ] \
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&& _DOMAIN_CERT="${_RESULT_CERTS}${_DOMAIN}/fullchain.crt"
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readonly _DOMAIN _DOMAIN_CERT _MODE _RESULT_CERTS
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# forced => should be issued
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[ "${3:-""}" = "--force" ] \
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&& return 0
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# no cert => should be issued
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! [ -f "${_DOMAIN_CERT}" ] \
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&& return 0
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_ENDDATE="$(openssl x509 -enddate -noout -in ${_DOMAIN_CERT} | cut -d= -f2)"
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_ENDDATE="$(date --date="${_ENDDATE}" --utc +%s)"
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_NOW="$(date --date now +%s)"
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_REMAINING_DAYS="$(( (_ENDDATE - _NOW) / 86400 ))"
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readonly _ENDDATE _NOW _REMAINING_DAYS
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echo "Certificate for domain '${_DOMAIN}' will expire in ${_REMAINING_DAYS} days."
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# less than 30 days remaining => should be issued
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[ "${_REMAINING_DAYS}" -le "30" ] \
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&& return 0
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return 1
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}
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function single(){
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local _ACME_FILE _DOMAIN _DOMAIN_FOLDER _MODE _OPTIONS _RESULT_CERTS
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_RESULT_CERTS="${RESULT_CERTS:?"single(): Missing global parameter RESULT_CERTS"}"
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_ACME_FILE="${ACME_FILE:?"single(): Missing global parameter ACME_FILE"}"
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_MODE="${1:?"single(): Missing first parameter MODE"}"
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_DOMAIN="${2:?"single(): Missing second parameter DOMAIN"}"
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[ "${_MODE}" = "dns" ] \
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&& _DOMAIN_FOLDER="${_RESULT_CERTS}_.${_DOMAIN}"
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[ "${_MODE}" = "http" ] \
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&& _DOMAIN_FOLDER="${_RESULT_CERTS}${_DOMAIN}"
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# always --force because we check expiring on ourself
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# _OPTIONS="--issue --force --test"
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_OPTIONS="--issue --force"
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[ "${_MODE}" = "dns" ] \
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&& _OPTIONS="${_OPTIONS} --dns ${AUTOACME_DNS_PROVIDER:?"single(): Missing global parameter AUTOACME_DNS_PROVIDER"} --domain *.${_DOMAIN}"
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[ "${_MODE}" = "http" ] \
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&& _OPTIONS="${_OPTIONS} --webroot /var/www/letsencrypt"
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readonly _ACME_FILE _DOMAIN _DOMAIN_FOLDER _MODE _OPTIONS _RESULT_CERTS
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! [ -f "${_ACME_FILE}" ] \
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&& echo "Program 'acme.sh' seams not to be installed. Try run 'renewCerts.sh --setup'." \
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&& return 1
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# cancel on broken configuration
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! checkConfigViaHttp "${_MODE}" "${_DOMAIN}" \
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&& return 1
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# create folder for results
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! [ -d "${_DOMAIN_FOLDER}" ] \
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&& echo -n "Creating folder '${_DOMAIN_FOLDER}'... " \
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&& mkdir -p "${_DOMAIN_FOLDER}" \
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&& echo "Done"
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# check enddate if third parameter is not --force
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! isExpiringSoon "${_MODE}" "${_DOMAIN}" "${3:-""}" \
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&& return 0
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# backup the keys
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[ -f "${_DOMAIN_FOLDER}/fullchain.crt" ] \
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&& cp "${_DOMAIN_FOLDER}/fullchain.crt" "${_DOMAIN_FOLDER}/fullchain.crt.bak"
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[ -f "${_DOMAIN_FOLDER}/private.key" ] \
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&& cp --preserve=mode,ownership "${_DOMAIN_FOLDER}/private.key" "${_DOMAIN_FOLDER}/private.key.bak"
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${_ACME_FILE} ${_OPTIONS} \
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--domain "${_DOMAIN}" \
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--server "letsencrypt" \
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--keylength "ec-384" \
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--fullchain-file "${_DOMAIN_FOLDER}/fullchain.crt" \
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--key-file "${_DOMAIN_FOLDER}/private.key" \
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&& echo "Certificate of domain '${_DOMAIN}' was updated." \
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&& tryGitPush "${_DOMAIN}" \
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&& return 0
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echo "Certificate of domain '${_DOMAIN}' remains unchanged."
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return 0
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}
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function isInstalled(){
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local _ACME_FILE
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_ACME_FILE="${ACME_FILE:?"isInstalled(): Missing global parameter ACME_FILE"}"
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readonly _ACME_FILE
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[ -f "${_ACME_FILE}" ] \
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&& echo "Following version of acme.sh is installed:" \
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&& echo "------------------------------------------" \
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&& ${_ACME_FILE} --version | tail -n 1 \
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&& return 0
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return 1
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}
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function extractTarArchive(){
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local _ACME_SETUP_FILE _ACME_TAR_FILE
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_ACME_SETUP_FILE="${ACME_SETUP_FILE:?"extractTarArchive(): Missing global parameter ACME_SETUP_FILE"}"
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_ACME_TAR_FILE="${ACME_TAR_FILE:?"extractTarArchive(): Missing global parameter ACME_TAR_FILE"}"
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readonly _ACME_SETUP_FILE _ACME_TAR_FILE
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# extracted file already exists
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[ -f "${_ACME_SETUP_FILE}" ] \
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&& return 0
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[ -f "${_ACME_TAR_FILE}" ] \
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&& mkdir -p "/tmp/acme.sh-setup/" \
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&& tar -xzf "${_ACME_TAR_FILE}" -C "/tmp/acme.sh-setup/" \
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&& [ -f "${_ACME_SETUP_FILE}" ] \
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&& return 0
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echo "Missing setup file '${_ACME_SETUP_FILE}' after trying to extract '${_ACME_TAR_FILE}'"
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return 1
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}
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function setup(){
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local _ACME_SETUP_FILE
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_ACME_SETUP_FILE="${ACME_SETUP_FILE:?"setup(): Missing global parameter ACME_SETUP_FILE"}"
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readonly _ACME_SETUP_FILE
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isInstalled \
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&& return 0
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! [ $(id -u) = 0 ] \
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&& echo "Setup requires execution as user 'root'." \
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&& exit 1
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! [ "$(echo $HOME)" = "/root" ] \
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&& echo "The setup is executed with 'root' privileges but not in the 'root' user environment." \
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&& exit 1
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! extractTarArchive \
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&& exit 1
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echo "Starting install of acme.sh:"
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echo "----------------------------"
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pushd "${_ACME_SETUP_FILE%/*}" > /dev/null 2>&1 #Removes shortest matching pattern '/*' from the end
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./acme.sh --install --no-cron --no-profile 2>&1
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popd > /dev/null 2>&1
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isInstalled \
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&& echo \
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&& echo 'Now this script can be added into cron-tab (crontab -e), like this e.g.:' \
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&& echo \
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&& echo '# Each day at 6:00am renew certificates:' \
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&& echo '0 6 * * * /renewCerts.sh --http --own > /var/log/renewCerts.sh.log 2>&1' \
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&& return 0
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echo "Something went wrong during setup."
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return 1
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}
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function usage(){
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echo
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echo 'Commands:'
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echo ' (--dns|--http) --own [--force] : Iterates all domains found in RESULT_CERTS.'
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echo ' (--dns|--http) --single DOMAIN [--force] : Issues a certificate for the given domain.'
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echo
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echo 'Current environment:'
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echo " Full name of this script: OWN_FULLNAME='${OWN_FULLNAME}'"
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echo " Configuration:"
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echo " Version of 'acme.sh' that will be installed: ACME_VERSION='${ACME_VERSION}'"
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echo " Tar file containing the setup of 'acme.sh': ACME_TAR_FILE='${ACME_TAR_FILE}'"
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echo " Setup file of 'acme.sh' after extraction: ACME_SETUP_FILE='${ACME_SETUP_FILE}'"
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echo " Full name of the installed script 'acme.sh': ACME_FILE='${ACME_FILE}'"
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echo " Output:"
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echo " Path were the issued certificate are saved: RESULT_CERTS='${RESULT_CERTS}'"
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return 0
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}
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function main(){
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echo
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[ -f "/autoACME.env" ] \
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&& source "/autoACME.env" \
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&& echo "Environment '/autoACME.env' loaded."
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local ACME_FILE ACME_VERSION ACME_SETUP_FILE ACME_TAR_FILE OWN_FULLNAME RESULT_CERTS
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OWN_FULLNAME="$(readlink -e ${0})"
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ACME_FILE="/root/.acme.sh/acme.sh"
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ACME_VERSION="acme.sh-3.1.1"
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ACME_SETUP_FILE="/tmp/acme.sh-setup/${ACME_VERSION}/acme.sh"
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ACME_TAR_FILE="${OWN_FULLNAME%/*}/${ACME_VERSION}.tar.gz"
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RESULT_CERTS="${AUTOACME_RESULT_CERTS%/}" #Removes shortest matching pattern '/' from the end
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RESULT_CERTS="${RESULT_CERTS:-"/etc/nginx/ssl"}/"
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readonly ACME_FILE ACME_VERSION ACME_SETUP_FILE ACME_TAR_FILE OWN_FULLNAME RESULT_CERTS
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local REPOSITORY_URL
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isGitRepository \
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&& REPOSITORY_URL="$(git -C ${RESULT_CERTS} config --get remote.origin.url)"
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readonly REPOSITORY_URL
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case "${1}${2}" in
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--dns--own)
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echo "Renewing own certificates at $(date +%F_%T) via DNS:"
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own "dns" "${3}" \
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&& echo "Finished successfully." \
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&& return 0
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;;
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--http--own)
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echo "Renewing own certificates at $(date +%F_%T) via HTTP:"
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own "http" "${3}" \
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&& echo \
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&& echo "Checking configuration of nginx and restart the webserver:" \
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&& echo "==========================================================" \
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&& nginx -t && systemctl reload nginx \
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&& return 0
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;;
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--dns--single)
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echo "Issue single certificate '${3}' at $(date +%F_%T) via DNS:"
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single "dns" "${3}" "${4}" \
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&& return 0
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;;
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--http--single)
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echo "Issue single certificate '${3}' at $(date +%F_%T) via HTTP:"
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single "http" "${3}" "${4}" \
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&& echo \
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&& echo "Checking configuration of nginx and restart the webserver:" \
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&& echo "==========================================================" \
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&& nginx -t && systemctl reload nginx \
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&& return 0
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;;
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--setup)
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setup \
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&& return 0
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;;
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*)
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echo "Unknown command '${1}' '${2}'"
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usage
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return 1
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;;
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esac
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return 1
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}
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main "$@" && exit 0 || exit 1
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