MaysWind
458 lines
12 KiB
Go
458 lines
12 KiB
Go
package settings
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import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"gopkg.in/ini.v1"
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"github.com/mayswind/lab/pkg/errs"
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)
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const (
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LAB_WORK_DIR = "LAB_WORK_DIR"
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LAB_ENVIRONMENT_KEY_PREFIX = "LAB"
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DEFAULT_CONFIG_PATH = "/conf/lab.ini"
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DEFAULT_STATIC_ROOT_PATH = "public"
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)
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type SystemMode string
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const (
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MODE_DEVELOPMENT SystemMode = "development"
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MODE_PRODUCTION SystemMode = "production"
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)
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type Scheme string
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const (
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SCHEME_HTTP Scheme = "http"
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SCHEME_HTTPS Scheme = "https"
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SCHEME_SOCKET Scheme = "socket"
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)
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type Level string
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const (
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LOGLEVEL_DEBUG Level = "debug"
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LOGLEVEL_INFO Level = "info"
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LOGLEVEL_WARN Level = "warn"
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LOGLEVEL_ERROR Level = "error"
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)
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const (
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DBTYPE_MYSQL string = "mysql"
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DBTYPE_POSTGRES string = "postgres"
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DBTYPE_SQLITE3 string = "sqlite3"
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)
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const (
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UUID_GENERATOR_TYPE_INTERNAL string = "internal"
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)
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const (
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DEFAULT_APP_NAME string = "lab"
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DEFAULT_HTTP_ADDR string = "0.0.0.0"
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DEFAULT_HTTP_PORT int = 8080
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DEFAULT_DOMAIN string = "localhost"
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DEFAULT_DATABASE_HOST string = "127.0.0.1:3306"
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DEFAULT_DATABASE_NAME string = "lab"
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DEFAULT_DATABASE_MAX_IDLE_CONN int = 2
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DEFAULT_DATABASE_MAX_OPEN_CONN int = 0
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DEFAULT_DATABASE_CONN_MAX_LIFETIME int = 14400
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DEFAULT_LOG_MODE string = "console"
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DEFAULT_LOG_LEVEL Level = LOGLEVEL_INFO
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DEFAULT_SECRET_KEY string = "lab"
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DEFAULT_TOKEN_EXPIRED_TIME int = 604800 // 7 days
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DEFAULT_TEMPORARY_TOKEN_EXPIRED_TIME int = 300 // 5 minutes
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)
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type DatabaseConfig struct {
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DatabaseType string
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DatabaseHost string
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DatabaseName string
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DatabaseUser string
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DatabasePassword string
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DatabaseSSLMode string
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DatabasePath string
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MaxIdleConnection int
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MaxOpenConnection int
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ConnectionMaxLifeTime int
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}
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type Config struct {
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// Global
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AppName string
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Mode SystemMode
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WorkingPath string
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// Server
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Protocol Scheme
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HttpAddr string
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HttpPort int
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Domain string
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RootUrl string
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CertFile string
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CertKeyFile string
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UnixSocketPath string
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StaticRootPath string
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EnableGZip bool
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EnableRequestLog bool
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// Database
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DatabaseConfig *DatabaseConfig
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EnableQueryLog bool
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// Log
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LogModes []string
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EnableConsoleLog bool
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EnableFileLog bool
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LogLevel Level
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FileLogPath string
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// Uuid
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UuidGeneratorType string
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UuidServerId uint8
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// Secret
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SecretKey string
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EnableTwoFactor bool
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TokenExpiredTime int
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TokenExpiredTimeDuration time.Duration
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TemporaryTokenExpiredTime int
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TemporaryTokenExpiredTimeDuration time.Duration
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EnableRequestIdHeader bool
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// User
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EnableUserRegister bool
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}
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func LoadConfiguration(configFilePath string) (*Config, error) {
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var err error
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cfgFile, err := ini.LoadSources(ini.LoadOptions{}, configFilePath)
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if err != nil {
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return nil, err
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}
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config := &Config{}
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config.WorkingPath, err = getWorkingPath()
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if err != nil {
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return nil, err
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}
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err = loadGlobalConfiguration(config, cfgFile, "global")
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if err != nil {
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return nil, err
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}
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err = loadServerConfiguration(config, cfgFile, "server")
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if err != nil {
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return nil, err
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}
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err = loadDatabaseConfiguration(config, cfgFile, "database")
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if err != nil {
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return nil, err
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}
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err = loadLogConfiguration(config, cfgFile, "log")
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if err != nil {
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return nil, err
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}
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err = loadUuidConfiguration(config, cfgFile, "uuid")
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if err != nil {
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return nil, err
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}
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err = loadSecurityConfiguration(config, cfgFile, "security")
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if err != nil {
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return nil, err
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}
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err = loadUserConfiguration(config, cfgFile, "user")
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if err != nil {
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return nil, err
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}
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return config, nil
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}
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func GetDefaultConfigFilePath() (string, error) {
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workingPath, err := getWorkingPath()
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if err != nil {
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return "", err
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}
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cfgFilePath := filepath.Join(workingPath, DEFAULT_CONFIG_PATH)
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_, err = os.Stat(cfgFilePath)
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if err != nil {
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return "", err
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}
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return cfgFilePath, nil
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}
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func loadGlobalConfiguration(config *Config, configFile *ini.File, sectionName string) error {
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config.AppName = getConfigItemStringValue(configFile, sectionName, "app_name", DEFAULT_APP_NAME)
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config.Mode = MODE_PRODUCTION
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if getConfigItemStringValue(configFile, sectionName, "mode") == "development" {
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config.Mode = MODE_DEVELOPMENT
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}
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return nil
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}
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func loadServerConfiguration(config *Config, configFile *ini.File, sectionName string) error {
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if getConfigItemStringValue(configFile, sectionName, "protocol") == "http" {
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config.Protocol = SCHEME_HTTP
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config.HttpAddr = getConfigItemStringValue(configFile, sectionName, "http_addr", DEFAULT_HTTP_ADDR)
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config.HttpPort = getConfigItemIntValue(configFile, sectionName, "http_port", DEFAULT_HTTP_PORT)
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} else if getConfigItemStringValue(configFile, sectionName, "protocol") == "https" {
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config.Protocol = SCHEME_HTTPS
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config.HttpAddr = getConfigItemStringValue(configFile, sectionName, "http_addr", DEFAULT_HTTP_ADDR)
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config.HttpPort = getConfigItemIntValue(configFile, sectionName, "http_port", DEFAULT_HTTP_PORT)
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config.CertFile = getConfigItemStringValue(configFile, sectionName, "cert_file")
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config.CertKeyFile = getConfigItemStringValue(configFile, sectionName, "cert_key_file")
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} else if getConfigItemStringValue(configFile, sectionName, "protocol") == "socket" {
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config.Protocol = SCHEME_SOCKET
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config.UnixSocketPath = getConfigItemStringValue(configFile, sectionName, "unix_socket")
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} else {
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return errs.ErrInvalidProtocol
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}
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config.Domain = getConfigItemStringValue(configFile, sectionName, "domain", DEFAULT_DOMAIN)
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config.RootUrl = getConfigItemStringValue(configFile, sectionName, "root_url", fmt.Sprintf("%s://%s:%d/", string(config.Protocol), config.Domain, config.HttpPort))
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if config.RootUrl[len(config.RootUrl)-1] != '/' {
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config.RootUrl += "/"
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}
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staticRootPath := getConfigItemStringValue(configFile, sectionName, "static_root_path", DEFAULT_STATIC_ROOT_PATH)
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finalStaticRootPath, err := getFinalPath(config.WorkingPath, staticRootPath)
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if err != nil {
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return err
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}
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config.StaticRootPath = finalStaticRootPath
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config.EnableGZip = getConfigItemBoolValue(configFile, sectionName, "enable_gzip", false)
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config.EnableRequestLog = getConfigItemBoolValue(configFile, sectionName, "log_request", false)
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return nil
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}
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func loadDatabaseConfiguration(config *Config, configFile *ini.File, sectionName string) error {
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dbConfig := &DatabaseConfig{}
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dbConfig.DatabaseType = getConfigItemStringValue(configFile, sectionName, "type", DBTYPE_MYSQL)
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dbConfig.DatabaseHost = getConfigItemStringValue(configFile, sectionName, "host", DEFAULT_DATABASE_HOST)
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dbConfig.DatabaseName = getConfigItemStringValue(configFile, sectionName, "name", DEFAULT_DATABASE_NAME)
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dbConfig.DatabaseUser = getConfigItemStringValue(configFile, sectionName, "user")
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dbConfig.DatabasePassword = getConfigItemStringValue(configFile, sectionName, "passwd")
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if dbConfig.DatabaseType == DBTYPE_POSTGRES {
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dbConfig.DatabaseSSLMode = getConfigItemStringValue(configFile, sectionName, "ssl_mode")
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}
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if dbConfig.DatabaseType == DBTYPE_SQLITE3 {
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dbConfig.DatabasePath = getConfigItemStringValue(configFile, sectionName, "db_path")
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}
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dbConfig.MaxIdleConnection = getConfigItemIntValue(configFile, sectionName, "max_idle_conn", DEFAULT_DATABASE_MAX_IDLE_CONN)
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dbConfig.MaxOpenConnection = getConfigItemIntValue(configFile, sectionName, "max_open_conn", DEFAULT_DATABASE_MAX_OPEN_CONN)
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dbConfig.ConnectionMaxLifeTime = getConfigItemIntValue(configFile, sectionName, "conn_max_lifetime", DEFAULT_DATABASE_CONN_MAX_LIFETIME)
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config.DatabaseConfig = dbConfig
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config.EnableQueryLog = getConfigItemBoolValue(configFile, sectionName, "log_query", false)
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return nil
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}
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func loadLogConfiguration(config *Config, configFile *ini.File, sectionName string) error {
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config.LogModes = strings.Split(getConfigItemStringValue(configFile, sectionName, "mode", DEFAULT_LOG_MODE), " ")
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for i := 0; i < len(config.LogModes); i++ {
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logMode := config.LogModes[i]
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if logMode == "console" {
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config.EnableConsoleLog = true
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} else if logMode == "file" {
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config.EnableFileLog = true
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} else {
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return errs.ErrInvalidLogMode
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}
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}
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config.LogLevel = getLogLevel(getConfigItemStringValue(configFile, sectionName, "level"), DEFAULT_LOG_LEVEL)
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if config.EnableFileLog {
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config.FileLogPath = getConfigItemStringValue(configFile, sectionName, "log_path")
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}
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return nil
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}
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func loadUuidConfiguration(config *Config, configFile *ini.File, sectionName string) error {
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if getConfigItemStringValue(configFile, sectionName, "generator_type") == UUID_GENERATOR_TYPE_INTERNAL {
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config.UuidGeneratorType = UUID_GENERATOR_TYPE_INTERNAL
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} else {
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return errs.ErrInvalidUuidMode
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}
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config.UuidServerId = uint8(getConfigItemIntValue(configFile, sectionName, "server_id", 0))
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return nil
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}
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func loadSecurityConfiguration(config *Config, configFile *ini.File, sectionName string) error {
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config.SecretKey = getConfigItemStringValue(configFile, sectionName, "secret_key", DEFAULT_SECRET_KEY)
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config.EnableTwoFactor = getConfigItemBoolValue(configFile, sectionName, "enable_two_factor", true)
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config.TokenExpiredTime = getConfigItemIntValue(configFile, sectionName, "token_expired_time", DEFAULT_TOKEN_EXPIRED_TIME)
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config.TokenExpiredTimeDuration = time.Duration(config.TokenExpiredTime) * time.Second
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config.TemporaryTokenExpiredTime = getConfigItemIntValue(configFile, sectionName, "temporary_token_expired_time", DEFAULT_TEMPORARY_TOKEN_EXPIRED_TIME)
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config.TemporaryTokenExpiredTimeDuration = time.Duration(config.TemporaryTokenExpiredTime) * time.Second
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config.EnableRequestIdHeader = getConfigItemBoolValue(configFile, sectionName, "request_id_header", true)
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return nil
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}
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func loadUserConfiguration(config *Config, configFile *ini.File, sectionName string) error {
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config.EnableUserRegister = getConfigItemBoolValue(configFile, sectionName, "enable_register", false)
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return nil
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}
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func getWorkingPath() (string, error) {
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workingPath := os.Getenv(LAB_WORK_DIR)
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if workingPath != "" {
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return workingPath, nil
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}
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execFilePath, err := os.Getwd()
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if err != nil {
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return "", err
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}
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return execFilePath, nil
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}
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func getFinalPath(workingPath, p string) (string, error) {
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var err error
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if !filepath.IsAbs(p) {
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p = filepath.Join(workingPath, p)
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}
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if _, err = os.Stat(p); err == nil {
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return p, nil
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}
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return "", err
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}
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func getConfigItemStringValue(configFile *ini.File, sectionName string, itemName string, defaultValue ...string) string {
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environmentKey := getEnvironmentKey(sectionName, itemName)
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environmentValue := os.Getenv(environmentKey)
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if len(environmentValue) > 0 {
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return environmentValue
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}
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section := configFile.Section(sectionName)
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if len(defaultValue) > 0 {
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return section.Key(itemName).MustString(defaultValue[0])
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} else {
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return section.Key(itemName).String()
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}
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}
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func getConfigItemIntValue(configFile *ini.File, sectionName string, itemName string, defaultValue ...int) int {
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environmentKey := getEnvironmentKey(sectionName, itemName)
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environmentValue := os.Getenv(environmentKey)
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if len(environmentValue) > 0 {
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value, err := strconv.ParseInt(environmentValue, 0, 64)
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if err == nil {
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return int(value)
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}
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}
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section := configFile.Section(sectionName)
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return section.Key(itemName).MustInt(defaultValue...)
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}
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func getConfigItemBoolValue(configFile *ini.File, sectionName string, itemName string, defaultValue ...bool) bool {
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environmentKey := getEnvironmentKey(sectionName, itemName)
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environmentValue := os.Getenv(environmentKey)
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if len(environmentValue) > 0 {
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value, err := strconv.ParseBool(environmentValue)
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if err == nil {
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return value
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}
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}
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section := configFile.Section(sectionName)
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return section.Key(itemName).MustBool(defaultValue...)
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}
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func getEnvironmentKey(sectionName string, itemName string) string {
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return fmt.Sprintf("%s_%s_%s", LAB_ENVIRONMENT_KEY_PREFIX, strings.ToUpper(sectionName), strings.ToUpper(itemName))
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}
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func getLogLevel(logLevelStr string, defaultLogLevel Level) Level {
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if logLevelStr == "debug" {
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return LOGLEVEL_DEBUG
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} else if logLevelStr == "warn" {
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return LOGLEVEL_WARN
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} else if logLevelStr == "error" {
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return LOGLEVEL_ERROR
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}
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return defaultLogLevel
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}
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