Files
ezbookkeeping/pkg/settings/setting.go
T
2020-12-04 00:36:56 +08:00

462 lines
12 KiB
Go

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