95 lines
3.4 KiB
Bash
95 lines
3.4 KiB
Bash
#!/usr/bin/env bash
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# focus_cdp_tab_window — trae al frente la pestaña + la ventana del SO de un Chrome con CDP
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#
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# Handoff humano de captcha: activa la tab del captcha (opcional, via CDP) y levanta
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# la ventana X11 del proceso browser principal de ese puerto para que un humano resuelva
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# el captcha a mano. Best-effort y robusto: cada paso continua aunque uno falle.
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focus_cdp_tab_window() {
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set -uo pipefail
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local port="${1:-}"
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local target_id="${2:-}"
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# 1. Validacion de entorno y dependencias.
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if [[ -z "$port" ]]; then
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echo "focus_cdp_tab_window: falta el puerto CDP (uso: focus_cdp_tab_window <port> [target_id])" >&2
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return 2
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fi
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if [[ -z "${DISPLAY:-}" ]]; then
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echo "focus_cdp_tab_window: sin entorno grafico (DISPLAY vacio)" >&2
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return 3
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fi
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if ! command -v wmctrl >/dev/null 2>&1 || ! command -v xdotool >/dev/null 2>&1; then
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echo "focus_cdp_tab_window: falta wmctrl/xdotool" >&2
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return 4
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fi
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# 2. Activar la tab del captcha dentro del browser (best-effort, no aborta).
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if [[ -n "$target_id" ]]; then
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curl -sf "http://127.0.0.1:${port}/json/activate/${target_id}" >/dev/null 2>&1 || true
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fi
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# 3. Encontrar el PID del proceso BROWSER principal de ese puerto.
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# De las lineas que matchean el flag de debugging, el browser process es el que
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# NO lleva --type= (los renderers/gpu/utility/zygote son procesos hijos).
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local browser_pid=""
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local line
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while IFS= read -r line; do
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[[ -z "$line" ]] && continue
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if [[ "$line" == *"--type="* ]]; then
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continue
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fi
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# pgrep -af antepone el PID seguido de la cmdline.
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browser_pid="${line%% *}"
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break
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done < <(pgrep -af -- "remote-debugging-port=${port}" 2>/dev/null)
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if [[ -z "$browser_pid" ]]; then
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echo "focus_cdp_tab_window: no hay chromium en el puerto ${port}" >&2
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return 5
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fi
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# 4. Resolver el window id top-level.
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# Primero por wmctrl -lp (columna 3 = PID). Fallback xdotool si el main no expone _NET_WM_PID.
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local wid=""
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while IFS= read -r line; do
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[[ -z "$line" ]] && continue
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# Formato: <wid> <desktop> <pid> <host> <title...>
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local w_id w_pid
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w_id="$(awk '{print $1}' <<<"$line")"
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w_pid="$(awk '{print $3}' <<<"$line")"
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if [[ "$w_pid" == "$browser_pid" ]]; then
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wid="$w_id"
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break
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fi
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done < <(wmctrl -lp 2>/dev/null)
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if [[ -z "$wid" ]]; then
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wid="$(xdotool search --pid "$browser_pid" --onlyvisible 2>/dev/null | head -n1)"
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fi
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if [[ -z "$wid" ]]; then
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echo "focus_cdp_tab_window: no se encontro ventana top-level para pid ${browser_pid} (puerto ${port})" >&2
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return 6
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fi
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# 5. Traer al frente con REINTENTO (xfwm de XFCE pisa el primer activate/raise).
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# Espera no bloqueante con read -t en vez de sleep.
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local attempt
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for attempt in 1 2; do
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xdotool windowactivate "$wid" >/dev/null 2>&1 || true
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read -r -t 0.2 _ < /dev/zero 2>/dev/null || true
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xdotool windowraise "$wid" >/dev/null 2>&1 || true
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done
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# 6. Salida legible y JSON-parseable simple.
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echo "focus_cdp_tab_window: focused win=${wid} pid=${browser_pid} port=${port} tab=${target_id:--}"
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return 0
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}
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# Permitir ejecucion directa: focus_cdp_tab_window <port> [target_id]
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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focus_cdp_tab_window "$@"
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fi
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