neil
9 years ago
commit
6de7ef7cda
1 changed files with 561 additions and 0 deletions
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561le.sh
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#!/bin/bash |
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WORKING_DIR=~/.le |
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ACCOUNT_KEY_PATH=$WORKING_DIR/account.acc |
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CERT_KEY_PATH=$WORKING_DIR/domain.key |
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CSR_PATH=$WORKING_DIR/domain.csr |
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CERT_PATH=$WORKING_DIR/domain.cer |
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DOMAIN_CONF=$WORKING_DIR/domain.conf |
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CURL_HEADER="" |
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HEADER="" |
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HEADERPLACE="" |
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ACCOUNT_EMAIL="" |
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DEFAULT_CA="https://acme-v01.api.letsencrypt.org" |
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API=$DEFAULT_CA |
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DEBUG= |
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_debug() { |
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if ! [ "DEBUG" ] ; then |
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return |
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fi |
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if [ -z "$2" ] ; then |
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echo $1 |
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else |
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echo $1:$2 |
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fi |
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} |
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_info() { |
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if [ -z "$2" ] ; then |
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echo $1 |
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else |
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echo $1:$2 |
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fi |
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} |
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#domain [2048] |
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createAccountKey() { |
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if [ -z "$1" ] ; then |
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echo Usage: $0 account-domain [2048] |
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return |
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fi |
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account=$1 |
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length=$2 |
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if [ -z "$2" ] ; then |
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echo Use default length 2048 |
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length=2048 |
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fi |
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mkdir -p $WORKING_DIR |
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ACCOUNT_KEY_PATH=$WORKING_DIR/account.acc |
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if [ -f "$ACCOUNT_KEY_PATH" ] ; then |
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echo account key exists, skip |
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return |
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else |
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#generate account key |
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openssl genrsa $length > $ACCOUNT_KEY_PATH |
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fi |
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} |
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#domain length |
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createDomainKey() { |
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if [ -z "$1" ] ; then |
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echo Usage: $0 domain [2048] |
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return |
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fi |
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domain=$1 |
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length=$2 |
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if [ -z "$2" ] ; then |
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echo Use default length 2048 |
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length=2048 |
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fi |
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mkdir -p $WORKING_DIR/$domain |
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CERT_KEY_PATH=$WORKING_DIR/$domain/$domain.key |
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if [ -f "$CERT_KEY_PATH" ] ; then |
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echo domain key exists, skip |
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else |
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#generate account key |
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openssl genrsa $length > $CERT_KEY_PATH |
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fi |
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} |
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# domain domainlist |
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createCSR() { |
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if [ -z "$1" ] ; then |
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echo Usage: $0 domain [domainlist] |
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return |
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fi |
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domain=$1 |
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_initpath $domain |
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domainlist=$2 |
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if [ -f $CSR_PATH ] ; then |
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echo CSR exists, skip |
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return |
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fi |
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|
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if [ -z "$domainlist" ] ; then |
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#single domain |
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echo single domain |
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openssl req -new -sha256 -key $CERT_KEY_PATH -subj "/CN=$domain" > $CSR_PATH |
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else |
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alt=DNS:$(echo $domainlist | sed "s/,/,DNS:/g") |
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#multi |
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echo multi domain $alt |
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openssl req -new -sha256 -key $CERT_KEY_PATH -subj "/CN=$domain" -reqexts SAN -config <(cat /etc/ssl/openssl.cnf <(printf "[SAN]\nsubjectAltName=$alt")) -out $CSR_PATH |
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fi |
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} |
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_b64() { |
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while read __line; do |
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__n=$__n$__line |
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done; |
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__n=$(echo $__n | sed "s|/|_|g") |
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__n=$(echo $__n | sed "s| ||g") |
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__n=$(echo $__n | sed "s|+|-|g") |
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__n=$(echo $__n | sed "s|=||g") |
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echo $__n |
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} |
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_send_signed_request() { |
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url=$1 |
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payload=$2 |
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needbas64="$3" |
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_info url $url |
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_info payload "$payload" |
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CURL_HEADER="$WORKING_DIR/curl.header" |
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dp="$WORKING_DIR/curl.dump" |
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CURL="curl --silent --dump-header $CURL_HEADER " |
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if [ "DEBUG" ] ; then |
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CURL="$CURL --trace-ascii $dp " |
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fi |
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payload64=$(echo -n $payload | base64 | _b64) |
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_debug payload64 $payload64 |
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nonceurl="$API/directory" |
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nonce=$($CURL -I $nonceurl | grep "^Replay-Nonce:" | sed s/\\r//|sed s/\\n//| cut -d ' ' -f 2) |
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_debug nonce $nonce |
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protected=$(echo -n "$HEADERPLACE" | sed "s/NONCE/$nonce/" ) |
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_debug protected "$protected" |
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protected64=$( echo -n $protected | base64 | _b64) |
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_debug protected64 "$protected64" |
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sig=$(echo -n "$protected64.$payload64" | openssl dgst -sha256 -sign $ACCOUNT_KEY_PATH | base64| _b64) |
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_debug sig "$sig" |
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body="{\"header\": $HEADER, \"protected\": \"$protected64\", \"payload\": \"$payload64\", \"signature\": \"$sig\"}" |
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_debug body "$body" |
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if [ "$needbas64" ] ; then |
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response=$($CURL -X POST --data "$body" $url | base64) |
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else |
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response=$($CURL -X POST --data "$body" $url) |
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fi |
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responseHeaders="$(cat $CURL_HEADER)" |
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_debug responseHeaders "$responseHeaders" |
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_debug response "$response" |
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code=$(grep ^HTTP $CURL_HEADER | tail -1 | cut -d " " -f 2) |
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_debug code $code |
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} |
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_get() { |
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url="$1" |
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_info url $url |
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response=$(curl --silent $url) |
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ret=$? |
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_debug response "$response" |
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code=$(echo $response | grep -o '"status":[0-9]\+' | cut -d : -f 2) |
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_debug code $code |
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return $ret |
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} |
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#setopt "file" "opt" "=" "value" [";"] |
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_setopt() { |
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__conf="$1" |
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__opt="$2" |
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__sep="$3" |
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__val="$4" |
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__end="$5" |
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if [ -z "$__opt" ] ; then |
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echo usage: $0 '"file" "opt" "=" "value" [";"]' |
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return |
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fi |
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if grep -H -n "^$__opt$__sep" $__conf ; then |
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echo OK |
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sed -i "s|^$__opt$__sep.*$|$__opt$__sep$__val$__end|" $__conf |
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else |
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echo APP |
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echo "$__opt$__sep$__val$__end" >> $__conf |
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fi |
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grep -H -n "^$__opt$__sep" $__conf |
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} |
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_initpath() { |
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WORKING_DIR=~/.le |
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domain=$1 |
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mkdir -p $WORKING_DIR |
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ACCOUNT_KEY_PATH=$WORKING_DIR/account.acc |
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if [ -z "$domain" ] ; then |
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return 0 |
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fi |
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mkdir -p $WORKING_DIR/$domain |
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if [ -z "$CSR_PATH" ] ; then |
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CSR_PATH=$WORKING_DIR/$domain/$domain.csr |
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fi |
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if [ -z "$CERT_KEY_PATH" ] ; then |
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CERT_KEY_PATH=$WORKING_DIR/$domain/$domain.key |
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fi |
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if [ -z "$CERT_PATH" ] ; then |
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CERT_PATH=$WORKING_DIR/$domain/$domain.cer |
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fi |
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} |
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#issue webroot a.com [www.a.com,b.com,c.com] [key-length] [cert-file-path] [key-file-path] [reloadCmd] |
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issue() { |
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if [ -z "$1" ] ; then |
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echo "Usage: $0 webroot a.com [www.a.com,b.com,c.com] [key-length] [cert-file-path] [key-file-path] [reloadCmd]" |
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return 1 |
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fi |
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Le_Webroot=$1 |
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Le_Domain=$2 |
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Le_Alt=$3 |
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Le_Keylength=$4 |
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if [ -z "$Le_Domain" ] ; then |
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Le_Domain="$1" |
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fi |
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_initpath $Le_Domain |
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DOMAIN_CONF=$WORKING_DIR/$Le_Domain/$Le_Domain.conf |
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if [ -f "$DOMAIN_CONF" ] ; then |
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source "$DOMAIN_CONF" |
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if [ "$(date -u "+%s" )" -lt "$Le_NextRenewTime" ] ; then |
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_info "Skip, Next renwal time is: $Le_NextRenewTimeStr" |
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return 2 |
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fi |
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fi |
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if [ -z "$Le_Webroot" ] ; then |
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echo Usage: $0 webroot a.com [b.com,c.com] [key-length] |
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return 1 |
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fi |
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createAccountKey $Le_Domain $Le_Keylength |
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createDomainKey $Le_Domain $Le_Keylength |
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createCSR $Le_Domain $Le_Alt |
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pub_exp=$(openssl rsa -in $ACCOUNT_KEY_PATH -noout -text | grep "^publicExponent:"| cut -d '(' -f 2 | cut -d 'x' -f 2 | cut -d ')' -f 1) |
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if [ "${#pub_exp}" == "5" ] ; then |
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pub_exp=0$pub_exp |
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fi |
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_debug pub_exp "$pub_exp" |
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e=$(echo $pub_exp | xxd -r -p | base64) |
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_debug e "$e" |
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modulus=$(openssl rsa -in $ACCOUNT_KEY_PATH -modulus -noout | cut -d '=' -f 2 ) |
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n=$(echo $modulus| xxd -r -p | base64 | _b64 ) |
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jwk='{"e": "'$e'", "kty": "RSA", "n": "'$n'"}' |
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HEADER='{"alg": "RS256", "jwk": '$jwk'}' |
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HEADERPLACE='{"nonce": "NONCE", "alg": "RS256", "jwk": '$jwk'}' |
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_debug HEADER "$HEADER" |
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accountkey_json=$(echo -n "$jwk" | sed "s/ //g") |
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thumbprint=$(echo -n "$accountkey_json" | sha256sum | xxd -r -p | base64 | _b64) |
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_info "Registering account" |
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regjson='{"resource": "new-reg", "agreement": "https://letsencrypt.org/documents/LE-SA-v1.0.1-July-27-2015.pdf"}' |
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if [ "$ACCOUNT_EMAIL" ] ; then |
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regjson='{"resource": "new-reg", "contact": ["mailto: '$ACCOUNT_EMAIL'"], "agreement": "https://letsencrypt.org/documents/LE-SA-v1.0.1-July-27-2015.pdf"}' |
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fi |
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_send_signed_request "$API/acme/new-reg" "$regjson" |
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if [ "$code" == "" ] || [ "$code" == '201' ] ; then |
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_info "Registered" |
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echo $response > $WORKING_DIR/account.json |
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elif [ "$code" == '409' ] ; then |
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_info "Already registered" |
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else |
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_info "Register account Error." |
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return 1 |
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fi |
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# verify each domain |
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_info "verify each domain" |
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alldomains=$(echo "$Le_Domain,$Le_Alt" | sed "s/,/ /g") |
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for d in $alldomains |
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do |
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_info "Verifing domain $d" |
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_send_signed_request "$API/acme/new-authz" "{\"resource\": \"new-authz\", \"identifier\": {\"type\": \"dns\", \"value\": \"$d\"}}" |
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if [ ! -z "$code" ] && [ ! "$code" == '201' ] ; then |
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_info "new-authz error: $d" |
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return 1 |
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fi |
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http01=$(echo $response | egrep -o '{[^{]*"type":"http-01"[^}]*') |
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_debug http01 "$http01" |
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token=$(echo "$http01" | sed 's/,/\n'/g| grep '"token":'| cut -d : -f 2|sed 's/"//g') |
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_info token $token |
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uri=$(echo "$http01" | sed 's/,/\n'/g| grep '"uri":'| cut -d : -f 2,3|sed 's/"//g') |
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_info uri $uri |
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keyauthorization="$token.$thumbprint" |
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_debug keyauthorization "$keyauthorization" |
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wellknown_path="$Le_Webroot/.well-known/acme-challenge" |
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_debug wellknown_path "$wellknown_path" |
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mkdir -p "$wellknown_path" |
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wellknown_path="$wellknown_path/$token" |
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echo -n "$keyauthorization" > $wellknown_path |
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wellknown_url="http://$d/.well-known/acme-challenge/$token" |
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_debug wellknown_url "$wellknown_url" |
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_debug challenge "$challenge" |
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_send_signed_request $uri "{\"resource\": \"challenge\", \"keyAuthorization\": \"$keyauthorization\"}" |
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if [ ! -z "$code" ] && [ ! "$code" == '202' ] ; then |
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_info "challenge error: $d" |
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return 1 |
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fi |
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while [ "1" ] ; do |
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_debug "sleep 5 secs to verify" |
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sleep 5 |
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_debug "checking" |
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if ! _get $uri ; then |
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_info "verify error:$d" |
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return 1 |
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fi |
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status=$(echo $response | egrep -o '"status":"[^"]+"' | cut -d : -f 2 | sed 's/"//g') |
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if [ "$status" == "valid" ] ; then |
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_info "verify success:$d" |
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break; |
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fi |
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if [ "$status" == "invalid" ] ; then |
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error=$(echo $response | egrep -o '"error":{[^}]*}' | grep -o '"detail":"[^"]*"' | cut -d '"' -f 4) |
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_info "verify error:$d" |
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_debug $error |
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return 1; |
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fi |
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if [ "$status" == "pending" ] ; then |
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_info "verify pending:$d" |
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else |
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_info "verify error:$d" |
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return 1 |
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fi |
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done |
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done |
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_info "verify finished, start to sign." |
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der=$(openssl req -in $CSR_PATH -outform DER | base64 | _b64) |
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_send_signed_request "$API/acme/new-cert" "{\"resource\": \"new-cert\", \"csr\": \"$der\"}" "needbas64" |
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echo -----BEGIN CERTIFICATE----- > $CERT_PATH |
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echo $response | sed "s/ /\n/g" >> $CERT_PATH |
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echo -----END CERTIFICATE----- >> $CERT_PATH |
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_info "Cert success." |
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cat $CERT_PATH |
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_setopt $DOMAIN_CONF "Le_Domain" "=" "$Le_Domain" |
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_setopt $DOMAIN_CONF "Le_Alt" "=" "$Le_Alt" |
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_setopt $DOMAIN_CONF "Le_Webroot" "=" "$Le_Webroot" |
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_setopt $DOMAIN_CONF "Le_Keylength" "=" "$Le_Keylength" |
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Le_LinkIssuer=$(grep -i '^Link' $CURL_HEADER | cut -d " " -f 2| cut -d ';' -f 1 | sed 's/<//g' | sed 's/>//g') |
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_setopt $DOMAIN_CONF "Le_LinkIssuer" "=" "$Le_LinkIssuer" |
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Le_LinkCert=$(grep -i '^Location' $CURL_HEADER | cut -d " " -f 2) |
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_setopt $DOMAIN_CONF "Le_LinkCert" "=" "$Le_LinkCert" |
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Le_CertCreateTime=$(date -u "+%s") |
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_setopt $DOMAIN_CONF "Le_CertCreateTime" "=" "$Le_CertCreateTime" |
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Le_CertCreateTimeStr=$(date -u "+%Y-%m-%d %H:%M:%S UTC") |
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_setopt $DOMAIN_CONF "Le_CertCreateTimeStr" "=" "\"$Le_CertCreateTimeStr\"" |
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if [ ! "$Le_RenewalDays" ] ; then |
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Le_RenewalDays=50 |
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fi |
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_setopt $DOMAIN_CONF "Le_RenewalDays" "=" "$Le_RenewalDays" |
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Le_NextRenewTime=$(date -u -d "+$Le_RenewalDays day" "+%s") |
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_setopt $DOMAIN_CONF "Le_NextRenewTime" "=" "$Le_NextRenewTime" |
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Le_NextRenewTimeStr=$(date -u -d "+$Le_RenewalDays day" "+%Y-%m-%d %H:%M:%S UTC") |
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_setopt $DOMAIN_CONF "Le_NextRenewTimeStr" "=" "\"$Le_NextRenewTimeStr\"" |
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_setopt $DOMAIN_CONF "Le_RealCertPath" "=" "\"$Le_RealCertPath\"" |
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if [ "$Le_RealCertPath" ] ; then |
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if [ -f "$Le_RealCertPath" ] ; then |
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rm -f $Le_RealCertPath |
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fi |
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ln -s $CERT_PATH $Le_RealCertPath |
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fi |
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_setopt $DOMAIN_CONF "Le_RealKeyPath" "=" "\"$Le_RealKeyPath\"" |
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if [ "$Le_RealKeyPath" ] ; then |
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if [ -f "$Le_RealKeyPath" ] ; then |
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rm -f $Le_RealKeyPath |
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fi |
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ln -s $CERT_KEY_PATH $Le_RealKeyPath |
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fi |
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_setopt $DOMAIN_CONF "Le_ReloadCmd" "=" "\"$Le_ReloadCmd\"" |
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|
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if [ "Le_ReloadCmd" ] ; then |
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_info "Run Le_ReloadCmd: $Le_ReloadCmd" |
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$Le_ReloadCmd |
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fi |
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} |
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renew() { |
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Le_Domain="$1" |
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if [ -z "$Le_Domain" ] ; then |
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echo Usage: $0 domain.com |
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return 1 |
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fi |
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|
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DOMAIN_CONF=$WORKING_DIR/$Le_Domain/$Le_Domain.conf |
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if [ -f "$DOMAIN_CONF" ] ; then |
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source "$DOMAIN_CONF" |
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if [ "$(date -u "+%s" )" -lt "$Le_NextRenewTime" ] ; then |
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_info "Skip, Next renwal time is: $Le_NextRenewTimeStr" |
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return 2 |
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fi |
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fi |
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|
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if [ -z "$Le_Webroot" ] ; then |
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echo Le_Webroot can not found, please remove the conf file and issue a new cert |
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return 1 |
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fi |
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|
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issue $Le_Domain |
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|
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} |
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renewAll() { |
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_info "renewAll" |
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for d in $(ls -F $WORKING_DIR | grep '/$') ; do |
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d=$(echo $d | cut -d '/' -f 1) |
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_info "renew $d" |
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renew "$d" |
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done |
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|
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} |
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install() { |
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_initpath |
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_info "Installing to $WORKING_DIR" |
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|
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mkdir -p $WORKING_DIR/ |
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cp le.sh $WORKING_DIR/ |
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chmod +x $WORKING_DIR/le.sh |
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|
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if [ ! -f /bin/le.sh ] ; then |
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ln -s $WORKING_DIR/le.sh /bin/le.sh |
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ln -s $WORKING_DIR/le.sh /bin/le |
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fi |
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|
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_info "Installing cron job" |
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if ! crontab -l | grep 'le.sh renewAll' ; then |
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crontab -l | { cat; echo "0 0 * * * le.sh renewAll"; } | crontab - |
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service cron restart |
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fi |
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|
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_info OK |
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} |
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|
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uninstall() { |
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_initpath |
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_info "Removing cron job" |
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crontab -l | sed "/le.sh renewAll/d" | crontab - |
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|
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_info "Removing /bin/le.sh" |
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rm -f /bin/le |
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rm -f /bin/le.sh |
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|
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_info "The keys and certs are in $WORKING_DIR, you can remove them by yourself." |
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|
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} |
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showhelp() { |
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echo "Usage: issue|renew|renewAll|createAccountKey|createDomainKey|createCSR|install|uninstall" |
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} |
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|
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if [ -z "$1" ] ; then |
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showhelp |
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fi |
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$1 $2 $3 $4 $5 $6 $7 $8 |
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