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566 lines
13 KiB
566 lines
13 KiB
#!/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 $CSR_PATH ] ; then
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echo CSR exists, skip
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return
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fi
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if [ -z "$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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_debug url $url
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_debug payload "$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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_debug 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" $__conf ; then
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_debug OK
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sed -i "s|^$__opt$__sep.*$|$__opt$__sep$__val$__end|" $__conf
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else
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_debug APP
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echo "$__opt$__sep$__val$__end" >> $__conf
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fi
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_debug "$(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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_debug 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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_debug 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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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: $0 domain.com
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return 1
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fi
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DOMAIN_CONF=$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 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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issue $Le_Domain
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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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install() {
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_initpath
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if ! command -v "curl" ; then
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_info "Please install curl first."
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_info "sudo apt-get install curl"
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return 1
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fi
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_info "Installing to $WORKING_DIR"
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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
|
|
ln -s $WORKING_DIR/le.sh /bin/le
|
|
fi
|
|
|
|
_info "Installing cron job"
|
|
if ! crontab -l | grep 'le.sh renewAll' ; then
|
|
crontab -l | { cat; echo "0 0 * * * le.sh renewAll"; } | crontab -
|
|
service cron restart
|
|
fi
|
|
|
|
|
|
_info OK
|
|
}
|
|
|
|
uninstall() {
|
|
_initpath
|
|
_info "Removing cron job"
|
|
crontab -l | sed "/le.sh renewAll/d" | crontab -
|
|
|
|
_info "Removing /bin/le.sh"
|
|
rm -f /bin/le
|
|
rm -f /bin/le.sh
|
|
|
|
_info "The keys and certs are in $WORKING_DIR, you can remove them by yourself."
|
|
|
|
}
|
|
|
|
|
|
showhelp() {
|
|
echo "Usage: issue|renew|renewAll|createAccountKey|createDomainKey|createCSR|install|uninstall"
|
|
|
|
}
|
|
|
|
|
|
if [ -z "$1" ] ; then
|
|
showhelp
|
|
fi
|
|
|
|
|
|
|
|
$1 $2 $3 $4 $5 $6 $7 $8
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|
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