([\\s\\S]*?)<\\/title>/i);\n if (match && match[1]) {\n return decodeHTMLEntities(match[1].trim());\n }\n return \"\";\n}\n\nfunction decodeHTMLEntities(text: string): string {\n return text.replace(/&/g, '&')\n .replace(/</g, '<')\n .replace(/>/g, '>')\n .replace(/"/g, '\"')\n .replace(/'/g, \"'\")\n .replace(/ /g, ' ');\n}",[],[171,203],"b28e4999-7122-4c85-8934-028b81c0545c","types.ts","b76e03d6-a5b7-11f1-8ee0-1607ee4eb77e",24,["D",1788234398181],"export enum LinkStatus {\n Unknown = 0,\n Valid = 1,\n Invalid = 2,\n Error = 3,\n}\n\nexport interface CheckResult {\n status: LinkStatus;\n http_code: number;\n reason: string;\n title: string;\n}",[],[171,212],"55c0aa3e-50e0-4cec-9a6b-400274126e58","checker.ts","add0c6d8-a5b7-11f1-b05f-1607ee4eb77e",21,["D",1788234388506],"import { type CheckResult } from \"./types.ts\";\nimport { checkXiaohongshu } from \"./platforms/xiaohongshu.ts\";\nimport { checkDouyin } from \"./platforms/douyin.ts\";\nimport { checkDefault } from \"./platforms/default.ts\";\n\n/**\n * 链接检测分发器\n */\nexport async function performCheck(urlStr: string, timeoutSeconds: number): Promise<CheckResult> {\n const platform = detectPlatform(urlStr);\n\n switch (platform) {\n case \"xiaohongshu\":\n return checkXiaohongshu(urlStr, timeoutSeconds);\n case \"douyin\":\n return checkDouyin(urlStr, timeoutSeconds);\n default:\n return checkDefault(urlStr, timeoutSeconds);\n }\n}\n\n/**\n * 识别目标 URL 的所属平台\n */\nfunction detectPlatform(url: string): string {\n const u = url.toLowerCase();\n if (u.includes(\"xiaohongshu.com\") || u.includes(\"xhslink.com\") || u.includes(\"xhslink.cn\")) return \"xiaohongshu\";\n if (u.includes(\"douyin.com\") || u.includes(\"iesdouyin.com\")) return \"douyin\";\n return \"default\";\n}",[],[171,220],["D",1788234368277],[],[171,172,79],"e520e4ab-2ade-427c-8988-52f31b45c774","douyin.ts","96c2ef66-a5b7-11f1-8b63-1607ee4eb77e",15,["D",1788234350880],"import { LinkStatus, type CheckResult } from \"../types.ts\";\n\nconst MOBILE_UA = \"Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1\";\nconst SPIDER_UA = \"Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)\";\n\n/**\n * 抖音专有检测逻辑\n */\nexport async function checkDouyin(shareUrl: string, timeout: number): Promise<CheckResult> {\n const maxRetries = 2;\n let lastResult: CheckResult | null = null;\n\n for (let attempt = 1; attempt <= maxRetries; attempt++) {\n lastResult = await doCheckDouyin(shareUrl, timeout);\n if (lastResult.status !== LinkStatus.Error) {\n return lastResult;\n }\n if (attempt < maxRetries) {\n await new Promise(resolve => setTimeout(resolve, 1000 * attempt));\n }\n }\n return lastResult!;\n}\n\nasync function doCheckDouyin(shareUrl: string, timeout: number): Promise<CheckResult> {\n try {\n // 1. 提取视频/图文 ID\n const videoId = await extractVideoId(shareUrl, timeout, MOBILE_UA);\n if (!videoId) {\n return {\n status: LinkStatus.Invalid,\n http_code: 200,\n reason: \"内容不存在或链接已失效\",\n title: \"\"\n };\n }\n\n // 2. 请求抖音 slidesinfo 详情接口\n const apiUrl = `https://www.iesdouyin.com/web/api/v2/aweme/slidesinfo/?aweme_ids=%5B${videoId}%5D`;\n const controller = new AbortController();\n const timer = setTimeout(() => controller.abort(), timeout * 1000);\n\n let apiSuccess = false;\n let filterReasonText = \"\";\n\n try {\n const apiRes = await fetch(apiUrl, {\n method: \"GET\",\n headers: {\n \"User-Agent\": MOBILE_UA,\n \"Referer\": `https://www.iesdouyin.com/share/video/${videoId}`,\n \"Accept\": \"application/json, text/plain, */*\"\n },\n signal: controller.signal\n });\n clearTimeout(timer);\n\n if (apiRes.ok) {\n const apiData: any = await apiRes.json();\n apiSuccess = true;\n\n // 2.1 检查视频详情\n if (apiData.aweme_details && apiData.aweme_details.length > 0) {\n const item = apiData.aweme_details[0];\n const itemStatus = item.status;\n\n if (itemStatus) {\n if (itemStatus.is_delete) {\n return { status: LinkStatus.Invalid, http_code: 200, reason: \"视频已被删除\", title: \"\" };\n }\n if (itemStatus.is_prohibited) {\n return { status: LinkStatus.Invalid, http_code: 200, reason: \"视频已被封禁或下架\", title: \"\" };\n }\n if (itemStatus.is_private) {\n return { status: LinkStatus.Invalid, http_code: 200, reason: \"视频已被设为私密\", title: \"\" };\n }\n }\n\n const title = item.desc || (item.share_info && item.share_info.share_title) || \"\";\n return { status: LinkStatus.Valid, http_code: 200, reason: \"OK\", title };\n }\n\n // 2.2 记录过滤列表原因（注意：note 图文在 slidesinfo 接口中常被返回 reason:8，需经第3步爬虫页二次验证）\n if (apiData.filter_list && apiData.filter_list.length > 0) {\n const filter = apiData.filter_list[0];\n if (filter.reason === 1) filterReasonText = \"内容审核中或未通过\";\n else if (filter.reason === 2) filterReasonText = \"内容仅自己可见\";\n else if (filter.reason === 8) filterReasonText = \"内容不存在或已删除\";\n else if (filter.reason === 10) filterReasonText = \"内容已被作者删除\";\n else if (filter.reason === 12) filterReasonText = \"内容已被封禁\";\n else if (filter.filter_reason || filter.detail_msg) {\n filterReasonText = ((filter.filter_reason || \"\") + \" \" + (filter.detail_msg || \"\")).trim();\n }\n }\n }\n } catch (e) {\n clearTimeout(timer);\n }\n\n // 3. 兜底与二次验证方案：使用爬虫 UA 访问分享页\n const spiderController = new AbortController();\n const spiderTimer = setTimeout(() => spiderController.abort(), timeout * 1000);\n try {\n const reqUrl = `https://www.iesdouyin.com/share/video/${videoId}`;\n const spiderRes = await fetch(reqUrl, {\n method: \"GET\",\n headers: { \"User-Agent\": SPIDER_UA },\n signal: spiderController.signal\n });\n clearTimeout(spiderTimer);\n\n const html = await spiderRes.text();\n if (html.includes(\"视频不存在\") || html.includes(\"该视频已被删除\") || html.includes(\"该图文已被删除\") || html.includes(\"参数错误\")) {\n return { status: LinkStatus.Invalid, http_code: spiderRes.status, reason: \"内容不存在或已删除\", title: \"\" };\n }\n\n const descMatch = html.match(/<meta[^>]+name=\"description\"[^>]+content=\"([^\"]*)\"/i);\n if (descMatch && descMatch[1]) {\n const desc = descMatch[1].trim();\n if (desc && desc.includes(\"发布在抖音\")) {\n // 清洗后缀，例如 \" - 用户名于20260830发布在抖音...\"\n const cleanTitle = desc.replace(/\\s*-\\s*[^-\\n]+于\\d{8}发布在抖音.*$/, \"\").trim();\n return { status: LinkStatus.Valid, http_code: spiderRes.status, reason: \"OK\", title: cleanTitle || desc };\n }\n }\n\n const titleMatch = html.match(/<title[^>]*>([^<]+)<\\/title>/i);\n if (titleMatch && titleMatch[1]) {\n const title = titleMatch[1].trim();\n if (title && title !== \"抖音\" && title !== \"None\") {\n const cleanTitle = title.replace(/\\s*-\\s*抖音$/, \"\").trim();\n if (cleanTitle) {\n return { status: LinkStatus.Valid, http_code: spiderRes.status, reason: \"OK\", title: cleanTitle };\n }\n }\n }\n } catch (e) {\n clearTimeout(spiderTimer);\n }\n\n if (apiSuccess) {\n return { status: LinkStatus.Invalid, http_code: 200, reason: filterReasonText || \"内容不存在或已删除\", title: \"\" };\n }\n\n return { status: LinkStatus.Error, http_code: 0, reason: \"检测失败，接口无响应\", title: \"\" };\n } catch (err: any) {\n return { status: LinkStatus.Error, http_code: 0, reason: \"检测过程异常: \" + err.message, title: \"\" };\n }\n}\n\n/**\n * 提取视频/图文 ID\n */\nasync function extractVideoId(shareUrl: string, timeout: number, ua: string): Promise<string | null> {\n if (!shareUrl.includes(\"v.douyin.com\")) {\n return parseIdFromPath(shareUrl);\n }\n\n const controller = new AbortController();\n const id = setTimeout(() => controller.abort(), timeout * 1000);\n\n try {\n const res = await fetch(shareUrl, {\n method: \"GET\",\n headers: { \"User-Agent\": ua },\n redirect: \"manual\",\n signal: controller.signal\n });\n clearTimeout(id);\n\n const location = res.headers.get(\"location\");\n if (location) {\n if (location === \"https://www.douyin.com\" || location === \"https://www.douyin.com/\" || location.startsWith(\"https://www.douyin.com/?\")) {\n return null;\n }\n return parseIdFromPath(location);\n }\n\n const followRes = await fetch(shareUrl, { headers: { \"User-Agent\": ua }, redirect: \"follow\" });\n if (followRes.url.includes(\"www.douyin.com\") && !followRes.url.includes(\"/video/\") && !followRes.url.includes(\"/note/\")) {\n return null;\n }\n return parseIdFromPath(followRes.url);\n } catch (e) {\n clearTimeout(id);\n return null;\n }\n}\n\nfunction parseIdFromPath(urlPath: string): string | null {\n try {\n const url = new URL(urlPath);\n const modalId = url.searchParams.get(\"modal_id\");\n if (modalId && /^\\d+$/.test(modalId)) return modalId;\n\n const segments = url.pathname.split(\"/\").filter(s => s.length > 0);\n for (let i = segments.length - 1; i >= 0; i--) {\n const seg = segments[i];\n if (seg && /^\\d+$/.test(seg)) {\n return seg;\n }\n }\n } catch (e) { }\n return null;\n}",[],[171,172,231],"1c0fc958-5deb-42be-9fa0-bba869eab5e3","default.ts","8dfd7554-a5b7-11f1-bba3-1607ee4eb77e",12,["D",1788234332380],"import { type CheckResult } from \"../types.ts\";\nimport { fetchWithTimeout, extractTitle, classifyHTTPStatus } from \"../utils.ts\";\n\nexport async function checkDefault(url: string, timeout: number): Promise<CheckResult> {\n const { response, body, error } = await fetchWithTimeout(url, timeout);\n if (error) return error;\n\n const httpCode = response!.status;\n const title = extractTitle(body);\n const [status, reason] = classifyHTTPStatus(httpCode, body, title);\n\n return {\n status,\n http_code: httpCode,\n reason,\n title: title.slice(0, 100)\n };\n}",[],[171,172,239],"7403b4bb-0728-4deb-914c-a167bd95dc96",9,["D",1788234317233],"directory",[186,187,188],[171,172],"1b1947e5-48c7-40bd-b94f-decd29e33df1",7,["D",1788234305332],[185,189,190,191],[171],["D",1788234227276],["D",1789539031988],{"_11":12,"_139":71},{"_11":12,"_135":71,"_70":71,"_30":69,"_136":137,"_138":24},{"_40":126,"_13":16,"_34":37,"_127":88,"_128":-5,"_129":-5,"_130":-5,"_131":-5,"_132":-5,"_133":14,"_134":12},"ctx",{"_53":-5,"_158":295,"_296":297,"_298":299,"_300":24,"_301":24,"_302":24,"_303":100,"_304":-5,"_305":-7,"_306":-7,"_307":26,"_308":24,"_309":24,"_310":-5,"_311":24,"_312":24,"_313":24,"_314":-5},"ENV",{"_266":267,"_268":269,"_270":16,"_271":272,"_273":274,"_275":276,"_277":278,"_279":280,"_281":282,"_283":284,"_285":286,"_287":288,"_289":290,"_291":292,"_293":294},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"] 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