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fix: trim whitespaces from per-container env vars
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@buchdag
buchdag committed Dec 12, 2021
1 parent ec93ec8 commit 8fdd196
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Showing 2 changed files with 37 additions and 27 deletions.
14 changes: 7 additions & 7 deletions app/letsencrypt_service
View file
Original file line number Diff line number Diff line change
Expand Up @@ -152,7 +152,7 @@ function update_cert {
params_issue_arr+=(--webroot /usr/share/nginx/html)

local -n cert_keysize="LETSENCRYPT_${cid}_KEYSIZE"
if [[ -z "$cert_keysize" || "$cert_keysize" == "<no value>" ]] || \
if [[ -z "$cert_keysize" ]] || \
[[ ! "$cert_keysize" =~ ^(2048|3072|4096|ec-256|ec-384)$ ]]; then
cert_keysize=$DEFAULT_KEY_SIZE
fi
Expand All @@ -168,7 +168,7 @@ function update_cert {
local config_home
# If we don't have a LETSENCRYPT_EMAIL from the proxied container
# and DEFAULT_EMAIL is set to a non empty value, use the latter.
if [[ -z "$accountemail" || "$accountemail" == "<no value>" ]]; then
if [[ -z "$accountemail" ]]; then
if [[ -n "${DEFAULT_EMAIL// }" ]]; then
accountemail="$DEFAULT_EMAIL"
else
Expand All @@ -184,7 +184,7 @@ function update_cert {
fi

local -n acme_ca_uri="ACME_${cid}_CA_URI"
if [[ -z "$acme_ca_uri" || "$acme_ca_uri" == "<no value>" ]]; then
if [[ -z "$acme_ca_uri" ]]; then
# Use default or user provided ACME end point
acme_ca_uri="$ACME_CA_URI"
fi
Expand Down Expand Up @@ -229,15 +229,15 @@ function update_cert {
local -n eab_kid="ACME_${cid}_EAB_KID"
local -n eab_hmac_key="ACME_${cid}_EAB_HMAC_KEY"
local -n zerossl_api_key="ZEROSSL_${cid}_API_KEY"
if [[ -z "$zerossl_api_key" || "$zerossl_api_key" == "<no value>" ]]; then
if [[ -z "$zerossl_api_key" ]]; then
# Try using the default API key
zerossl_api_key="$ZEROSSL_API_KEY"
fi
if [[ ! -f "$account_file" ]]; then
if [[ -n "${eab_kid// }" && "$eab_kid" != "<no value>" && -n "${eab_hmac_key// }" && "$eab_hmac_key" != "<no value>" ]]; then
if [[ -n "${eab_kid}" && -n "${eab_hmac_key}" ]]; then
# Register the ACME account with the per container EAB credentials.
params_register_arr+=(--eab-kid "$eab_kid" --eab-hmac-key "$eab_hmac_key")
elif [[ -n "${zerossl_api_key// }" && "$zerossl_api_key" != "<no value>" ]]; then
elif [[ -n "${zerossl_api_key}" ]]; then
# We have a Zero SSL API key but no per-container EAB kid and hmac key.
# Generate a set of ACME EAB credentials using the ZeroSSL API.
local zerossl_api_response
Expand Down Expand Up @@ -293,7 +293,7 @@ function update_cert {
fi

local -n acme_preferred_chain="ACME_${cid}_PREFERRED_CHAIN"
if [[ -n "${acme_preferred_chain// }" && "$acme_preferred_chain" != "<no value>" ]]; then
if [[ -n "${acme_preferred_chain}" ]]; then
# Using amce.sh --preferred-chain to select alternate chain.
params_issue_arr+=(--preferred-chain "$acme_preferred_chain")
fi
Expand Down
50 changes: 30 additions & 20 deletions app/letsencrypt_service_data.tmpl
View file
Original file line number Diff line number Diff line change
Expand Up @@ -18,23 +18,33 @@ LETSENCRYPT_CONTAINERS=(
{{ range $hosts, $containers := groupBy $ "Env.LETSENCRYPT_HOST" }}
{{ $hosts := trimSuffix "," $hosts }}
{{ range $container := $containers }}
{{ $KEYSIZE := trim (coalesce $container.Env.LETSENCRYPT_KEYSIZE "") }}
{{ $STAGING := trim (coalesce $container.Env.LETSENCRYPT_TEST "") }}
{{ $EMAIL := trim (coalesce $container.Env.LETSENCRYPT_EMAIL "") }}
{{ $CA_URI := trim (coalesce $container.Env.ACME_CA_URI "") }}
{{ $PREFERRED_CHAIN := trim (coalesce $container.Env.ACME_PREFERRED_CHAIN "") }}
{{ $OCSP := trim (coalesce $container.Env.ACME_OCSP "") }}
{{ $EAB_KID := trim (coalesce $container.Env.ACME_EAB_KID "") }}
{{ $EAB_HMAC_KEY := trim (coalesce $container.Env.ACME_EAB_HMAC_KEY "") }}
{{ $ZEROSSL_API_KEY := trim (coalesce $container.Env.ZEROSSL_API_KEY "") }}
{{ $RESTART_CONTAINER := trim (coalesce $container.Env.LETSENCRYPT_RESTART_CONTAINER "") }}
{{ $cid := printf "%.12s" $container.ID }}
{{ if parseBool (coalesce $container.Env.LETSENCRYPT_SINGLE_DOMAIN_CERTS "false") }}
{{ range $host := split $hosts "," }}
{{ $host := trim $host }}
{{ $host := trimSuffix "." $host }}
{{ $hostHash := sha1 $host }}
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_HOST=('{{ $host }}')
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_KEYSIZE="{{ $container.Env.LETSENCRYPT_KEYSIZE }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_TEST="{{ $container.Env.LETSENCRYPT_TEST }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_EMAIL="{{ $container.Env.LETSENCRYPT_EMAIL }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_CA_URI="{{ $container.Env.ACME_CA_URI }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_PREFERRED_CHAIN="{{ $container.Env.ACME_PREFERRED_CHAIN }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_OCSP="{{ $container.Env.ACME_OCSP }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_EAB_KID="{{ $container.Env.ACME_EAB_KID }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_EAB_HMAC_KEY="{{ $container.Env.ACME_EAB_HMAC_KEY }}"
{{- "\n" }}ZEROSSL_{{ $cid }}_{{ $hostHash }}_API_KEY="{{ $container.Env.ZEROSSL_API_KEY }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_RESTART_CONTAINER="{{ $container.Env.LETSENCRYPT_RESTART_CONTAINER }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_KEYSIZE="{{ $KEYSIZE }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_TEST="{{ $STAGING }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_EMAIL="{{ $EMAIL }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_CA_URI="{{ $CA_URI }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_PREFERRED_CHAIN="{{ $PREFERRED_CHAIN }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_OCSP="{{ $OCSP }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_EAB_KID="{{ $EAB_KID }}"
{{- "\n" }}ACME_{{ $cid }}_{{ $hostHash }}_EAB_HMAC_KEY="{{ $EAB_HMAC_KEY }}"
{{- "\n" }}ZEROSSL_{{ $cid }}_{{ $hostHash }}_API_KEY="{{ $ZEROSSL_API_KEY }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_{{ $hostHash }}_RESTART_CONTAINER="{{ $RESTART_CONTAINER }}"
{{ end }}
{{ else }}
{{- "\n" }}LETSENCRYPT_{{ $cid }}_HOST=(
Expand All @@ -44,16 +54,16 @@ LETSENCRYPT_CONTAINERS=(
'{{ $host }}'{{ " " }}
{{- end -}}
)
{{- "\n" }}LETSENCRYPT_{{ $cid }}_KEYSIZE="{{ $container.Env.LETSENCRYPT_KEYSIZE }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_TEST="{{ $container.Env.LETSENCRYPT_TEST }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_EMAIL="{{ $container.Env.LETSENCRYPT_EMAIL }}"
{{- "\n" }}ACME_{{ $cid }}_CA_URI="{{ $container.Env.ACME_CA_URI }}"
{{- "\n" }}ACME_{{ $cid }}_PREFERRED_CHAIN="{{ $container.Env.ACME_PREFERRED_CHAIN }}"
{{- "\n" }}ACME_{{ $cid }}_OCSP="{{ $container.Env.ACME_OCSP }}"
{{- "\n" }}ACME_{{ $cid }}_EAB_KID="{{ $container.Env.ACME_EAB_KID }}"
{{- "\n" }}ACME_{{ $cid }}_EAB_HMAC_KEY="{{ $container.Env.ACME_EAB_HMAC_KEY }}"
{{- "\n" }}ZEROSSL_{{ $cid }}_API_KEY="{{ $container.Env.ZEROSSL_API_KEY }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_RESTART_CONTAINER="{{ $container.Env.LETSENCRYPT_RESTART_CONTAINER }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_KEYSIZE="{{ $KEYSIZE }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_TEST="{{ $STAGING }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_EMAIL="{{ $EMAIL }}"
{{- "\n" }}ACME_{{ $cid }}_CA_URI="{{ $CA_URI }}"
{{- "\n" }}ACME_{{ $cid }}_PREFERRED_CHAIN="{{ $PREFERRED_CHAIN }}"
{{- "\n" }}ACME_{{ $cid }}_OCSP="{{ $OCSP }}"
{{- "\n" }}ACME_{{ $cid }}_EAB_KID="{{ $EAB_KID }}"
{{- "\n" }}ACME_{{ $cid }}_EAB_HMAC_KEY="{{ $EAB_HMAC_KEY }}"
{{- "\n" }}ZEROSSL_{{ $cid }}_API_KEY="{{ $ZEROSSL_API_KEY }}"
{{- "\n" }}LETSENCRYPT_{{ $cid }}_RESTART_CONTAINER="{{ $RESTART_CONTAINER }}"
{{ end }}
{{ end }}
{{ end }}

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