fix: config parsing keys

lib/config.go

@@ -31,7 +31,7 @@ type Config struct {
 	Key         string
 	Prefix      string
 	NoSniff     bool
-	LogFormat   string
+	LogFormat   string `mapstructure:"log_format"`
 	Auth        bool
 	CORS        CORS
 	Users       []User
@@ -74,12 +74,12 @@ func ParseConfig(filename string, flags *pflag.FlagSet) (*Config, error) {
 	v.SetDefault("Port", DefaultPort)
 	v.SetDefault("Auth", DefaultAuth)
 	v.SetDefault("Prefix", DefaultPrefix)
-	v.SetDefault("LogFormat", DefaultLogFormat)
+	v.SetDefault("Log_Format", DefaultLogFormat)
 
 	// Other defaults
-	v.SetDefault("CORS.AllowedHeaders", []string{"*"})
+	v.SetDefault("CORS.Allowed_Headers", []string{"*"})
-	v.SetDefault("CORS.AllowedHosts", []string{"*"})
+	v.SetDefault("CORS.Allowed_Hosts", []string{"*"})
-	v.SetDefault("CORS.AllowedMethods", []string{"*"})
+	v.SetDefault("CORS.Allowed_Methods", []string{"*"})
 
 	// Read and unmarshal configuration
 	err := v.ReadInConfig()
@@ -172,8 +172,8 @@ func (c *Config) Validate() error {
 type CORS struct {
 	Enabled        bool
 	Credentials    bool
-	AllowedHeaders []string
+	AllowedHeaders []string `mapstructure:"allowed_headers"`
-	AllowedHosts   []string
+	AllowedHosts   []string `mapstructure:"allowed_hosts"`
-	AllowedMethods []string
+	AllowedMethods []string `mapstructure:"allowed_methods"`
-	ExposedHeaders []string
+	ExposedHeaders []string `mapstructure:"exposed_headers"`
 }

lib/config_test.go

@@ -142,3 +142,29 @@ rules = [ ]
 		check(t, cfg)
 	})
 }
+
+func TestConfigKeys(t *testing.T) {
+	t.Parallel()
+
+	cfg := writeAndParseConfig(t, `
+cors:
+  enabled: true
+  credentials: true
+  allowed_headers:
+    - Depth
+  allowed_hosts:
+    - http://localhost:8080
+  allowed_methods:
+    - GET
+  exposed_headers:
+    - Content-Length
+    - Content-Range`, ".yml")
+	require.NoError(t, cfg.Validate())
+
+	require.True(t, cfg.CORS.Enabled)
+	require.True(t, cfg.CORS.Credentials)
+	require.EqualValues(t, []string{"Content-Length", "Content-Range"}, cfg.CORS.ExposedHeaders)
+	require.EqualValues(t, []string{"Depth"}, cfg.CORS.AllowedHeaders)
+	require.EqualValues(t, []string{"http://localhost:8080"}, cfg.CORS.AllowedHosts)
+	require.EqualValues(t, []string{"GET"}, cfg.CORS.AllowedMethods)
+}