57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
package browser
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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)
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// CdpConnectTarget se conecta a un target CDP DETERMINISTA identificado por match.
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//
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// Si host es "" se usa "localhost".
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// match puede ser:
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// - "" → primer target con Type "page" y WebSocketDebuggerURL no vacío (misma
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// semántica que CdpConnectHost, útil como fallback compatible).
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// - ID exacto del target (campo "id" en /json).
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// - Substring case-insensitive de la URL del target.
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//
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// Retorna error si ningún target type=page satisface el match.
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func CdpConnectTarget(host string, port int, match string) (*CDPConn, error) {
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if host == "" {
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host = "localhost"
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}
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resp, err := http.Get(fmt.Sprintf("http://%s:%d/json", host, port))
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if err != nil {
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return nil, fmt.Errorf("cdp connect target: listar targets: %w", err)
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}
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defer resp.Body.Close()
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var targets []cdpTarget
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if err := json.NewDecoder(resp.Body).Decode(&targets); err != nil {
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return nil, fmt.Errorf("cdp connect target: decode targets: %w", err)
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}
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matchLower := strings.ToLower(match)
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for _, t := range targets {
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if t.Type != "page" || t.WebSocketDebuggerURL == "" {
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continue
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}
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if match == "" {
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// Sin filtro: primera tab page disponible.
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return cdpConnectWS(t.WebSocketDebuggerURL, port)
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}
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// Coincidencia por ID exacto o substring de URL (case-insensitive).
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if t.ID == match || strings.Contains(strings.ToLower(t.URL), matchLower) {
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return cdpConnectWS(t.WebSocketDebuggerURL, port)
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}
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}
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if match == "" {
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return nil, fmt.Errorf("cdp connect target: no hay ninguna tab 'page' disponible en %s:%d", host, port)
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}
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return nil, fmt.Errorf("cdp connect target: no hay tab 'page' que matchee %q en %s:%d", match, host, port)
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}
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