Add on-demand IP investigation and richer IP details

internal/config/config.go

@@ -36,11 +36,12 @@ func (d Duration) MarshalYAML() (any, error) {
 }
 
 type Config struct {
-	Server   ServerConfig             `yaml:"server"`
-	Storage  StorageConfig            `yaml:"storage"`
-	OPNsense OPNsenseConfig           `yaml:"opnsense"`
-	Profiles map[string]ProfileConfig `yaml:"profiles"`
-	Sources  []SourceConfig           `yaml:"sources"`
+	Server        ServerConfig             `yaml:"server"`
+	Storage       StorageConfig            `yaml:"storage"`
+	Investigation InvestigationConfig      `yaml:"investigation"`
+	OPNsense      OPNsenseConfig           `yaml:"opnsense"`
+	Profiles      map[string]ProfileConfig `yaml:"profiles"`
+	Sources       []SourceConfig           `yaml:"sources"`
 }
 
 type ServerConfig struct {
@@ -54,6 +55,14 @@ type StorageConfig struct {
 	Path string `yaml:"path"`
 }
 
+type InvestigationConfig struct {
+	Enabled         bool     `yaml:"enabled"`
+	RefreshAfter    Duration `yaml:"refresh_after"`
+	Timeout         Duration `yaml:"timeout"`
+	UserAgent       string   `yaml:"user_agent"`
+	SpamhausEnabled bool     `yaml:"spamhaus_enabled"`
+}
+
 type OPNsenseConfig struct {
 	Enabled            bool           `yaml:"enabled"`
 	BaseURL            string         `yaml:"base_url"`
@@ -157,6 +166,21 @@ func (c *Config) applyDefaults() error {
 	if c.Storage.Path == "" {
 		c.Storage.Path = "./data/caddy-opnsense-blocker.db"
 	}
+	if !c.Investigation.Enabled {
+		c.Investigation.Enabled = true
+	}
+	if c.Investigation.RefreshAfter.Duration == 0 {
+		c.Investigation.RefreshAfter.Duration = 24 * time.Hour
+	}
+	if c.Investigation.Timeout.Duration == 0 {
+		c.Investigation.Timeout.Duration = 8 * time.Second
+	}
+	if strings.TrimSpace(c.Investigation.UserAgent) == "" {
+		c.Investigation.UserAgent = "caddy-opnsense-blocker/0.2"
+	}
+	if !c.Investigation.SpamhausEnabled {
+		c.Investigation.SpamhausEnabled = true
+	}
 
 	if c.OPNsense.Timeout.Duration == 0 {
 		c.OPNsense.Timeout.Duration = 8 * time.Second