Initial commit

.gitignore

+config.txt

update

+#!/usr/bin/env bash
+
+set -e
+
+SILENT=false
+COLOR=true
+SCRIPTPATH="$(cd $(dirname ${0}); pwd -P)"
+
+SERVER_ADDR="https://app.emcode-provision.app.docker.rew.to"
+TOKEN="Rgg5gzEZuzLfF9hR"
+
+### possible value: alt,script
+# CODE_TYPE="script"
+# CODE_SECURE=true
+### path to store state of code
+STATE_PATH="${HOME}/emcode-store"
+### absolute path to store code (default: <STATE_PATH>)
+CODE_PATH="${STATE_PATH}/code.js"
+
+_query_args="token=${TOKEN}"
+_version_filename="version"
+
+init_config() {
+    local write_config=false
+
+    if [[ -f ${SCRIPTPATH}/config.txt ]]; then
+        source ${SCRIPTPATH}/config.txt
+        log "load config \"${SCRIPTPATH}/config.txt\""
+    else
+        write_config=true
+    fi
+
+    # IFS="="
+    #
+    # for param in $@; do
+    #     read -ra key_val <<<${param}
+    #     # echo ${key_val[@]}
+    #     case ${key_val[0]} in
+    #     "--code-path")
+    #         CODE_PATH="${key_val[1]}"
+    #         write_config=true
+    #         ;;
+    #     "--code-type")
+    #         # CODE_TYPE="${key_val[1]}"
+    #         echo ${key_val[@]}
+    #         write_config=true
+    #         ;;
+    #     esac
+    # done
+    #
+    # unset IFS
+
+    if [[ ${write_config} == true ]]; then
+        save_config
+        log "save config \"${SCRIPTPATH}/config.txt\""
+    fi
+}
+
+bool_string() {
+    if [[ ${1} == true ]]; then
+        echo "true"
+    else
+        echo "false"
+    fi
+}
+
+save_config() {
+cat <<EOF >${SCRIPTPATH}/config.txt
+# display settings
+SILENT=$(bool_string ${SILENT})
+COLOR=$(bool_string ${COLOR})
+
+# code setting
+STATE_PATH=${STATE_PATH}
+CODE_PATH=${CODE_PATH}
+CODE_TYPE=$([[ -z ${CODE_TYPE} ]] && echo "default" || echo "${CODE_TYPE}")
+CODE_SECURE=$(bool_string ${CODE_SECURE})
+EOF
+}
+
+make_query_args() {
+    if [[ ! -z ${CODE_TYPE} ]] && [[ ${CODE_TYPE} != "default" ]]; then
+        _query_args+="&type=${CODE_TYPE}"
+        _version_filename+="_${CODE_TYPE}"
+    fi
+
+    if [[ ${CODE_SECURE} == true ]]; then
+        _query_args+="&scheme=https"
+        _version_filename+="_secure"
+    fi
+
+    local version=$(cat ${STATE_PATH}/${_version_filename}.txt 2>/dev/null | tr -d '\n')
+
+    if [[ ! -z ${version} ]]; then
+        _query_args+="&ver=${version}"
+    fi
+}
+
+log() {
+    local level="INFO"
+    local date_format="[$(date)]"
+
+    if [[ ${SILENT} == true ]]; then
+        return
+    fi
+
+    if [[ ${COLOR} == true ]]; then
+        echo -en "\e[94m${date_format} \e[91m${level} \e[39m"
+    else
+        echo -n "${date_format} ${level} "
+    fi
+
+    echo "$@"
+}
+
+extract_version() {
+    local begin_comment="<!--"
+    local end_comment="-->"
+
+    if [[ ${CODE_TYPE} == "script" ]]; then
+        begin_comment="/\*"
+        end_comment="\*/"
+    fi
+
+    grep -oP "(?<=${begin_comment})[0-9a-f_-]+(?=${end_comment})" <<< ${1}
+}
+
+make_home() {
+    if [[ ! -d ${STATE_PATH} ]]; then
+        mkdir -p ${STATE_PATH}
+    fi
+}
+
+main() {
+    make_query_args
+
+    local url="${SERVER_ADDR}?${_query_args}"
+
+    log "request to server \"${url}\""
+
+    local code=$(curl -s -L ${url})
+    local version=$(extract_version "${code}")
+
+    if [[ ! -z ${version} ]]; then
+        make_home
+        cat <<<${code} >${CODE_PATH}
+        echo -n ${version} >${STATE_PATH}/${_version_filename}.txt
+        log "code updated to version \"${version}\""
+    fi
+}
+
+init_config $@
+main
+# save_config