77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
package internal
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"time"
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)
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func (lc *LicenseChecker) Validate() error {
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url := fmt.Sprintf("%s/license/lookup?key=%s&format=json", lc.LicenseAPIURL, lc.APIKey)
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resp, err := http.Get(url)
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if err != nil {
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lc.setValid(false)
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return fmt.Errorf("license lookup failed: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != 200 {
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lc.setValid(false)
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return fmt.Errorf("license lookup error: %s", resp.Status)
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}
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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lc.setValid(false)
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return fmt.Errorf("reading response failed: %w", err)
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}
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var data struct {
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Revoked bool `json:"revoked"`
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ExpiresAt time.Time `json:"expires_at"`
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}
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if err := json.Unmarshal(body, &data); err != nil {
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lc.setValid(false)
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return fmt.Errorf("unmarshal error: %w", err)
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}
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if data.Revoked || time.Now().After(data.ExpiresAt) {
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lc.setValid(false)
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return fmt.Errorf("license expired or revoked")
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}
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lc.mu.Lock()
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lc.valid = true
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lc.lastGood = time.Now()
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lc.mu.Unlock()
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log.Printf("✅ License validated. Expires: %s", data.ExpiresAt)
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return nil
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}
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func (lc *LicenseChecker) StartBackgroundCheck() {
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go func() {
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for {
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time.Sleep(lc.PollInterval)
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err := lc.Validate()
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if err != nil {
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log.Printf("⚠️ License check failed: %v", err)
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}
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}
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}()
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}
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func (lc *LicenseChecker) IsValid() bool {
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lc.mu.RLock()
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defer lc.mu.RUnlock()
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return lc.valid
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}
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