v_voucher POST 到 x/gaia-vgate/v1/register,换出验证码与后续要用的 challenge / token。第二步用 validateCaptcha 提交用户过完验证的结果。POST JSON、无签名。curl --location 'http://localhost:4567/api/bilibili/apply_captcha?csrf=undefined&v_voucher=undefined'success 判别{
"success": true,
"data": null,
"message": "获取成功",
"meta": {
"requestId": "string",
"clientId": "string",
"platform": "douyin",
"endpoint": "string",
"durationMs": 0,
"attempts": 0,
"trace": [
{
"url": "string",
"method": "string",
"status": 0,
"durationMs": 0,
"reason": "initial",
"retryOf": "string"
}
]
},
"requestPath": "/api/bilibili/fetch_one_video?bvid=BV1xx"
}