ACME v2 support

This commit is contained in:
Serghey Rodin 2018-12-04 16:21:46 +02:00
commit 41bfca0b21

View file

@ -1,6 +1,6 @@
#!/bin/bash
# info: register letsencrypt user account
# options: USER [EMAIL]
# options: USER [TYPE]
#
# The function creates and register LetsEncript account key
@ -11,7 +11,7 @@
# Argument definition
user=$1
email=$2
type=${2-1}
key_size=4096
# Includes
@ -28,11 +28,17 @@ encode_base64() {
# Verifications #
#----------------------------------------------------------#
check_args '1' "$#" 'USER [EMAIL]'
check_args '1' "$#" 'USER [TYPE]'
is_format_valid 'user'
is_object_valid 'user' 'USER' "$user"
if [ -e "$USER_DATA/ssl/le.conf" ]; then
exit
source "$USER_DATA/ssl/le.conf"
if [ "$type" -eq 1 ] && [ ! -z "$EMAIL" ]; then
exit
fi
if [ "$type" -eq 2 ] && [ ! -z "$KID" ]; then
exit
fi
fi
@ -40,14 +46,29 @@ fi
# Action #
#----------------------------------------------------------#
api='https://acme-v01.api.letsencrypt.org'
if [ -z "$email" ]; then
# Defining LE API endpoint
if [ "$type" -eq 1 ]; then
api='https://acme-v01.api.letsencrypt.org'
else
api='https://acme-v02.api.letsencrypt.org'
fi
# Defining user email
if [ $type -eq 1 ]; then
email=$(get_user_value '$CONTACT')
fi
agreement=$(curl -s -I "$api/terms" |grep Location |cut -f 2 -d \ |tr -d '\r\n')
# Defining user agreement
if [ "$type" -eq 1 ]; then
agreement=$(curl -s -I "$api/terms" |grep Location |\
cut -f 2 -d \ |tr -d '\r\n')
else
#agreement=$(curl -s "$api/directory" |grep termsOfService |\
# cut -f 4 -d '"')
agreement=''
fi
# Generating key
# Generating user key
key="$USER_DATA/ssl/user.key"
if [ ! -e "$key" ]; then
openssl genrsa -out $key $key_size >/dev/null 2>&1
@ -55,41 +76,77 @@ if [ ! -e "$key" ]; then
fi
# Defining key exponent
exponent=$(openssl pkey -inform pem -in "$key" -noout -text_pub |\
grep Exponent: |cut -f 2 -d '(' |cut -f 1 -d ')' |sed -e 's/x//' |\
xxd -r -p |encode_base64)
if [ -z "$EXPONENT" ]; then
exponent=$(openssl pkey -inform pem -in "$key" -noout -text_pub |\
grep Exponent: |cut -f 2 -d '(' |cut -f 1 -d ')' |sed -e 's/x//' |\
xxd -r -p |encode_base64)
else
exponent="$EXPONENT"
fi
# Defining key modulus
modulus=$(openssl rsa -in "$key" -modulus -noout |\
sed -e 's/^Modulus=//' |xxd -r -p |encode_base64)
if [ -z "$MODULUS" ]; then
modulus=$(openssl rsa -in "$key" -modulus -noout |\
sed -e 's/^Modulus=//' |xxd -r -p |encode_base64)
else
modulus="$MODULUS"
fi
# Defining key thumb
thumb='{"e":"'$exponent'","kty":"RSA","n":"'"$modulus"'"}'
thumb="$(echo -n "$thumb" |openssl dgst -sha256 -binary |encode_base64)"
# Defining JWK token
jwk='{"e":"'$exponent'","kty":"RSA","n":"'"$modulus"'"}'
# Defining JWK header
header='{"e":"'$exponent'","kty":"RSA","n":"'"$modulus"'"}'
header='{"alg":"RS256","jwk":'"$header"'}'
# Defining key thumbnail
if [ -z "$THUMB" ]; then
thumb="$(echo -n "$jwk" |openssl dgst -sha256 -binary |encode_base64)"
else
thumb="$THUMB"
fi
# Requesting nonce
# Requesting ACME nonce
nonce=$(curl -s -I "$api/directory" |grep Nonce |cut -f 2 -d \ |tr -d '\r\n')
protected=$(echo -n '{"nonce":"'"$nonce"'"}' |encode_base64)
# Defining registration query
query='{"resource":"new-reg","contact":["mailto:'"$email"'"],'
query=$query'"agreement":"'$agreement'"}'
payload=$(echo -n "$query" |encode_base64)
# Defining payload and protected data for v1 and v2
if [ "$type" -eq 1 ]; then
header='{"alg":"RS256","jwk":'"$jwk"'}'
protected='{"nonce":"'"$nonce"'"}'
payload='{"resource":"new-reg","contact":["mailto:'"$email"'"],'
payload=$payload'"agreement":"'$agreement'"}'
else
protected='{"nonce": "'$nonce'",'
protected=''$protected' "url": "'$api/acme/new-acct'",'
protected=''$protected' "alg": "RS256", "jwk": '$jwk'}'
payload='{"termsOfServiceAgreed": true}'
fi
# Encoding data
protected=$(echo -n "$protected" |encode_base64)
payload=$(echo -n "$payload" |encode_base64)
# Signing request
signature=$(printf "%s" "$protected.$payload" |\
openssl dgst -sha256 -binary -sign "$key" |encode_base64)
data='{"header":'"$header"',"protected":"'"$protected"'",'
data=$data'"payload":"'"$payload"'","signature":"'"$signature"'"}'
openssl dgst -sha256 -binary -sign "$key" |\
encode_base64)
# Sending request to LetsEncrypt API
answer=$(curl -s -i -d "$data" "$api/acme/new-reg")
status=$(echo "$answer" |grep HTTP/1.1 |tail -n1 |cut -f2 -d ' ')
if [ "$type" -eq 1 ]; then
data='{"header":'"$header"',"protected":"'"$protected"'",'
data=$data'"payload":"'"$payload"'","signature":"'"$signature"'"}'
answer=$(curl -s -i -d "$data" "$api/acme/new-reg")
status=$(echo "$answer" |grep HTTP/1.1 |tail -n1 |cut -f2 -d ' ')
else
data='{"protected":"'"$protected"'",'
data=$data'"payload":"'"$payload"'",'
data=$data'"signature":"'"$signature"'"}'
answer=$(curl -s -i -d "$data" "$api/acme/new-acct" \
-H "Content-Type: application/jose+json")
status=$(echo "$answer" |grep HTTP/1.1 |tail -n1 |cut -f2 -d ' ')
kid=$(echo "$answer" |grep Location: |cut -f2 -d ' '|tr -d '\r')
fi
# Checking http answer status
if [[ "$status" -ne "201" ]] && [[ "$status" -ne "409" ]]; then
if [[ "${status:0:2}" -ne "20" ]] && [[ "$status" -ne "409" ]]; then
check_result $E_CONNECT "LetsEncrypt account registration $status"
fi
@ -99,12 +156,25 @@ fi
#----------------------------------------------------------#
# Adding le.conf
echo "EMAIL='$email'" > $USER_DATA/ssl/le.conf
echo "EXPONENT='$exponent'" >> $USER_DATA/ssl/le.conf
echo "MODULUS='$modulus'" >> $USER_DATA/ssl/le.conf
echo "THUMB='$thumb'" >> $USER_DATA/ssl/le.conf
chmod 660 $USER_DATA/ssl/le.conf
if [ ! -e "$USER_DATA/ssl/le.conf" ]; then
echo "EXPONENT='$exponent'" > $USER_DATA/ssl/le.conf
echo "MODULUS='$modulus'" >> $USER_DATA/ssl/le.conf
echo "THUMB='$thumb'" >> $USER_DATA/ssl/le.conf
if [ "$type" -eq 1]; then
echo "EMAIL='$email'" >> $USER_DATA/ssl/le.conf
else
echo "KID='$kid'" >> $USER_DATA/ssl/le.conf
fi
chmod 660 $USER_DATA/ssl/le.conf
else
if [ "$type" -eq 1 ]; then
sed -i '/^EMAIL=/d' $USER_DATA/ssl/le.conf
echo "EMAIL='$email'" >> $USER_DATA/ssl/le.conf
else
sed -i '/^KID=/d' $USER_DATA/ssl/le.conf
echo "KID='$kid'" >> $USER_DATA/ssl/le.conf
fi
fi
# Logging
log_event "$OK" "$ARGUMENTS"