server-xray/server-lgr.sh

#!/bin/bash

DIR=`dirname $0`

usage() {
    >&2 echo "VLESS-GRPC-REALITY server builder"
    >&2 echo "Usage: server-lgr ,<s=svcname>,<d=dest.com>,<prv=yy>,[pub=xx],[shortId=zz],<p=listen-port>,<u=id0>,<u=id1>...,[proxy_acpt],[fallback=host:port:path],[xtls]"
    >&2 echo "Fallback format: fallback=[host]<:port>[:/path] Like: 'baidu.com:443:/path', ':1443:/path', ':1443'"
    >&2 echo "User format: user|u=<uid>[:level:email]"
}

options=(`echo $1 |tr ',' ' '`)
for option in "${options[@]}"
do
    kv=(`echo $option |tr '=' ' '`)
    case "${kv[0]}" in
        d|dest)
            dest="${kv[1]}"
            ;;
        f|fallback)
            fallback+=("${kv[1]}")
            ;;
        flow)
            flow="${kv[1]}"
            ;;
        p|port)
            port="${kv[1]}"
            ;;
        proxy_acpt)
            acceptProxyProtocol=true
            ;;
        svnm|serverName)
            serverNames+=("${kv[1]}")
            ;;
        s|serviceName)
            serviceName="${kv[1]}"
            ;;
        sid|shortId)
            shortIds+=("${kv[1]}")
            ;;
        prv|privateKey)
            prvkey="${kv[1]}"
            ;;
        pub|publicKey)
            pubkey="${kv[1]}"
            ;;
        u|user)
            xuser+=("${kv[1]}")
            ;;
        xtls)
            flow="xtls-rprx-vision"
            ;;
    esac
done

if [ -z "${dest}" ]; then
    >&2 echo -e "Error: Fake Destination undefined.\n"
    usage; exit 1
fi

if [ -z "${port}" ]; then
    >&2 echo -e "Error: Port undefined.\n"
    usage; exit 1 ;
fi

if [ -z "${prvkey}" ]; then
    >&2 echo "Warning: PrivateKey undefined, Generated new..."
    kv=(`/usr/local/bin/xray x25519|cut -d ' ' -f3|tr ' '`)
    prvkey="${kv[0]}"
    pubkey="${kv[1]}"
    >&2 echo "PublicKey: $pubkey"
fi

if [ -z "${serviceName}" ]; then
    >&2 echo -e "Error: serviceName undefined.\n"
    usage; exit 1
fi

if [ -z "${xuser}" ]; then
    >&2 echo -e "Error: User undefined.\n"
    usage; exit 1
fi

if ! [ "${port}" -eq "${port}" ] 2>/dev/null; then >&2 echo -e "Error: Port number must be numeric.\n"; exit 1; fi

# inbound frame
inbound=`jq -nc --arg port "${port}" '{"port":$port,"protocol":"vless","settings":{"decryption":"none"}}'`

# User settings
for user in "${xuser[@]}"
do
    IFS=':'; uopt=(${user}); uopt=(${uopt[@]})
    uid="${uopt[0]}"; level="${uopt[1]}"; email="${uopt[2]}"
    unset IFS
    if [ -z "${uid}" ]; then >&2 echo "Incorrect user format: $user"; usage; exit 1; fi
    if [ -z "${level}" ]; then level=0; fi
    if [ -z "${email}" ]; then email="${uid}@lgr.$dest"; fi
    inbound=`echo $inbound| jq -c --arg uid "${uid}" --arg flow "${flow}" --arg level "${level}" --arg email "${email}" \
    '.settings.clients += [{"id":$uid,"level":($level|tonumber),"email":$email,"flow":$flow}]'`
done

# StreamSettings
if [ -n "${acceptProxyProtocol}" ]; then
    inbound=`echo $inbound| jq -c '.settings.streamSettings.sockopt += {"acceptProxyProtocol":true}'`
fi

# Network settings
inbound=`echo $inbound| jq -c --arg serviceName "${serviceName}" '.settings.streamSettings += {"network":"grpc","grpcSettings":{"serviceName":$serviceName}}'`

# Security settings
inbound=`echo $inbound| jq -c '.settings.streamSettings += {"security":"reality"}'`

# Reality settings
inbound=`echo $inbound| jq -c --arg dest "${dest}" --arg pubkey "${pubkey}" --arg prvkey "${prvkey}" \
'.settings.streamSettings.realitySettings += {"show":true,"dest":"\($dest):443","serverNames":[$dest],"privateKey":$prvkey,"publicKey":$pubkey}'`

# serverNames settings
if [ -n "${serverNames}" ]; then
    JserverNames=`printf '%s\n' "${serverNames[@]}"|jq -R|jq -sc`
    inbound=`echo $inbound| jq -c --argjson JserverNames "${JserverNames}" '.settings.streamSettings.realitySettings.serverNames += $JserverNames'`
fi

# shortIds settings
JshortIds=`printf '%s\n' "${shortIds[@]}"|jq -R|jq -sc`
inbound=`echo $inbound| jq -c --argjson JshortIds "${JshortIds}" '.settings.streamSettings.realitySettings.shortIds += $JshortIds'`

# Fallback settings
for fb in "${fallback[@]}"
do
    IFS=':'; fopt=(${fb}); fopt=(${fopt[@]})
    fhost="${fopt[0]}"; fport="${fopt[1]}"; fpath="${fopt[2]}"
    unset IFS
    if [ -z "${fport}" ]; then >&2 echo "Incorrect fallback format: ${fallback}"; usage; exit 1; fi
    if [ -z "${fhost}" ]; then fhost="127.0.0.1"; fi
    fdest="$fhost:$fport"
    Jfb=`jq -nc --arg fdest "${fdest}" --arg fpath "${fpath}" '. |= {"dest":$fdest,"path":$fpath,"xver":1}'`
    inbound=`echo $inbound| jq -c --argjson Jfb "${Jfb}" '.settings.fallbacks += [$Jfb]'`
done

echo $inbound
exit 0