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82 lines
2.4 KiB
82 lines
2.4 KiB
package util
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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envstruct "github.com/maxibanki/golang-env-struct"
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"github.com/sirupsen/logrus"
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"github.com/pkg/errors"
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"gopkg.in/yaml.v2"
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)
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// Configuration are the available config values
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type Configuration struct {
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ListenAddr string `yaml:"ListenAddr" env:"LISTEN_ADDR"`
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BaseURL string `yaml:"BaseURL" env:"BASE_URL"`
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DataDir string `yaml:"DataDir" env:"DATA_DIR"`
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UseSSL bool `yaml:"EnableSSL" env:"USE_SSL"`
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EnableDebugMode bool `yaml:"EnableDebugMode" env:"ENABLE_DEBUG_MODE"`
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ShortedIDLength int `yaml:"ShortedIDLength" env:"SHORTED_ID_LENGTH"`
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Google oAuthConf `yaml:"Google" env:"GOOGLE"`
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GitHub oAuthConf `yaml:"GitHub" env:"GITHUB"`
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Microsoft oAuthConf `yaml:"Microsoft" env:"MICROSOFT"`
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}
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type oAuthConf struct {
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ClientID string `yaml:"ClientID" env:"CLIENT_ID"`
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ClientSecret string `yaml:"ClientSecret" env:"CLIENT_SECRET"`
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}
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// config contains the default values
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var config = Configuration{
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ListenAddr: ":8080",
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BaseURL: "http://localhost:3000",
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DataDir: "data",
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EnableDebugMode: false,
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UseSSL: false,
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ShortedIDLength: 4,
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}
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// ReadInConfig loads the Configuration and other needed folders for further usage
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func ReadInConfig() error {
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file, err := ioutil.ReadFile("config.yaml")
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if err == nil {
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if err := yaml.Unmarshal(file, &config); err != nil {
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return errors.Wrap(err, "could not unmarshal yaml file")
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}
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} else if !os.IsNotExist(err) {
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return errors.Wrap(err, "could not read config file")
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} else {
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logrus.Info("No configuration file found, using defaults with environment variable overrides.")
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}
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if err := envstruct.ApplyEnvVars(&config, "GUS"); err != nil {
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return errors.Wrap(err, "could not apply environment configuration")
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}
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config.DataDir, err = filepath.Abs(config.DataDir)
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if err != nil {
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return errors.Wrap(err, "could not get relative data dir path")
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}
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if _, err = os.Stat(config.DataDir); os.IsNotExist(err) {
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if err = os.MkdirAll(config.DataDir, 0755); err != nil {
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return errors.Wrap(err, "could not create config directory")
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}
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}
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return nil
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}
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func (o oAuthConf) Enabled() bool {
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return o.ClientSecret != ""
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}
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// GetConfig returns the configuration from the memory
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func GetConfig() Configuration {
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return config
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}
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// SetConfig sets the configuration into the memory
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func SetConfig(c Configuration) {
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config = c
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}
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