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* Send.now File Info Extractor — Val.town\n *\n * ไม่ใช้ Send.now API key\n * ไม่ดึง direct link\n *\n * Deploy:\n * val.town > New > HTTP val > วางโค้ดทั้งหมด\n *\n * เรียก:\n * https:///?link=https://send.now/skic9mlbugks\n *\n * ผลลัพธ์:\n * {\n * \"statusCode\": 200,\n * \"id\": \"skic9mlbugks\",\n * \"filename\": \"Demo.pdf\",\n * \"size\": \"22 KB\"\n * }\n */\n\nconst UA = \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) \" +\n \"AppleWebKit/537.36 (KHTML, like Gecko) \" +\n \"Chrome/138.0 Safari/537.36\";\n\nconst DEFAULT_BASE = \"https://send.now\";\n\nconst JSON_HEADERS = {\n \"content-type\": \"application/json; charset=utf-8\",\n \"access-control-allow-origin\": \"*\",\n \"access-control-allow-methods\": \"GET, OPTIONS\",\n \"access-control-allow-headers\": \"content-type\",\n};\n\ntype ParsedInput = {\n id: string;\n pageUrl: string;\n type: \"file\" | \"short\";\n};\n\nexport default async function (\n request: Request,\n): Promise {\n const json = (\n data: unknown,\n status = 200,\n ): Response => {\n return new Response(\n JSON.stringify(data, null, 2),\n {\n status,\n headers: JSON_HEADERS,\n },\n );\n };\n\n if (request.method === \"OPTIONS\") {\n return new Response(null, {\n status: 204,\n headers: JSON_HEADERS,\n });\n }\n\n try {\n const requestUrl = new URL(request.url);\n\n const input = requestUrl.searchParams.get(\"link\") ||\n requestUrl.searchParams.get(\"url\") ||\n requestUrl.searchParams.get(\"id\") ||\n \"\";\n\n const parsed = parseInput(input);\n\n if (!parsed) {\n return json(\n {\n statusCode: 400,\n message: \"Missing or invalid Send.now link\",\n },\n 400,\n );\n }\n\n const result = await getFileInfo(parsed);\n\n return json(\n result,\n result.statusCode === 200 ? 200 : result.statusCode,\n );\n } catch (error) {\n return json(\n {\n statusCode: 500,\n message: getErrorMessage(error),\n },\n 500,\n );\n }\n}\n\n/**\n * รองรับ:\n * https://send.now/xxxxxxxxxxxx\n * https://www.send.now/xxxxxxxxxxxx\n * https://send.now/d/xxxxx\n * หรือใส่ file ID โดยตรง\n */\nfunction parseInput(\n input: string,\n): ParsedInput | null {\n input = String(input || \"\").trim();\n\n if (!input) {\n return null;\n }\n\n /*\n * Short URL:\n * https://send.now/d/11Fh7\n */\n const shortMatch = input.match(\n /^https?:\\/\\/(?:www\\.)?send\\.now\\/d\\/([a-z0-9_-]+)(?:[/?#]|$)/i,\n );\n\n if (shortMatch) {\n return {\n id: shortMatch[1],\n pageUrl: DEFAULT_BASE + \"/d/\" + shortMatch[1],\n type: \"short\",\n };\n }\n\n /*\n * Normal file URL:\n * https://send.now/skic9mlbugks\n */\n const normalMatch = input.match(\n /^https?:\\/\\/(?:www\\.)?send\\.now\\/([a-z0-9_-]{4,64})(?:[/?#]|$)/i,\n );\n\n if (normalMatch) {\n const id = normalMatch[1];\n\n if (isReservedPath(id)) {\n return null;\n }\n\n return {\n id,\n pageUrl: DEFAULT_BASE + \"/\" + id,\n type: \"file\",\n };\n }\n\n /*\n * File ID โดยตรง\n */\n if (/^[a-z0-9_-]{4,64}$/i.test(input)) {\n if (isReservedPath(input)) {\n return null;\n }\n\n return {\n id: input,\n pageUrl: DEFAULT_BASE + \"/\" + input,\n type: \"file\",\n };\n }\n\n return null;\n}\n\nasync function getFileInfo(\n parsed: ParsedInput,\n) {\n const pageRes = await fetch(parsed.pageUrl, {\n method: \"GET\",\n redirect: \"follow\",\n headers: {\n \"User-Agent\": UA,\n \"Accept\": \"text/html,application/xhtml+xml,\" +\n \"application/xml;q=0.9,*/*;q=0.8\",\n \"Accept-Language\": \"en-US,en;q=0.9\",\n \"Cache-Control\": \"no-cache\",\n \"Pragma\": \"no-cache\",\n },\n });\n\n const html = await pageRes.text();\n const resolvedUrl = pageRes.url;\n\n if (!pageRes.ok) {\n const outputStatus = pageRes.status === 404 ? 404 : 502;\n\n return {\n statusCode: outputStatus,\n message: \"Send.now page fetch failed \" +\n \"(HTTP \" + pageRes.status + \")\",\n debug: createDebugInfo(\n pageRes,\n resolvedUrl,\n html,\n ),\n };\n }\n\n const filename = extractFilename(html);\n const size = extractFileSize(html);\n\n /*\n * Short URL อาจ redirect ไปยัง file ID จริง\n */\n const resolvedId = extractIdFromUrl(resolvedUrl) ||\n parsed.id;\n\n if (!filename || !size) {\n return {\n statusCode: 502,\n message: \"Unable to find filename or file size \" +\n \"on Send.now page\",\n id: resolvedId,\n filename: filename || null,\n size: size || null,\n debug: createDebugInfo(\n pageRes,\n resolvedUrl,\n html,\n ),\n };\n }\n\n return {\n statusCode: 200,\n id: resolvedId,\n filename,\n size,\n };\n}\n\nfunction extractFilename(\n html: string,\n): string | null {\n const patterns: RegExp[] = [\n /*\n * โครงสร้างหลักปัจจุบัน:\n * \n */\n /]*\\bid=[\"']qr[\"'][^>]*>([\\s\\S]*?)<\\/h6>/i,\n\n /*\n * หัวข้อไฟล์ด้านบนหน้า\n */\n /]*\\bclass=[\"'][^\"']*max-width-50[^\"']*[\"'][^>]*>([\\s\\S]*?)<\\/h6>/i,\n\n /*\n * รูปแบบสำรอง\n */\n /<[^>]+\\bdata-filename=[\"']([^\"']+)[\"'][^>]*>/i,\n\n /]*\\bname=[\"'](?:fname|filename)[\"'][^>]*\\bvalue=[\"']([^\"']+)[\"'][^>]*>/i,\n\n /]*\\bvalue=[\"']([^\"']+)[\"'][^>]*\\bname=[\"'](?:fname|filename)[\"'][^>]*>/i,\n\n /[\"'](?:filename|file_name|fname)[\"']\\s*:\\s*[\"']([^\"']+)[\"']/i,\n ];\n\n for (const pattern of patterns) {\n const match = html.match(pattern);\n\n if (!match || !match[1]) {\n continue;\n }\n\n const filename = cleanHtmlText(match[1]);\n\n if (\n filename &&\n filename.length <= 500\n ) {\n return filename;\n }\n }\n\n return null;\n}\n\nfunction extractFileSize(\n html: string,\n): string | null {\n /*\n * โครงสร้างปัจจุบัน:\n * \n */\n const buttonMatch = html.match(\n /]*\\bid=[\"']downloadbtn[\"'][^>]*>([\\s\\S]*?)<\\/button>/i,\n );\n\n if (buttonMatch) {\n const buttonText = cleanHtmlText(\n buttonMatch[1],\n );\n\n const sizeMatch = buttonText.match(\n /\\[\\s*([^\\]]+?)\\s*\\]/,\n );\n\n if (sizeMatch) {\n return normalizeSize(sizeMatch[1]);\n }\n }\n\n /*\n * รูปแบบสำรอง\n */\n const fallbackPatterns: RegExp[] = [\n /Download\\s*\\[\\s*([^\\]]+?)\\s*\\]/i,\n\n /\\bdata-(?:file-)?size=[\"']([^\"']+)[\"']/i,\n\n /[\"'](?:file_size|filesize)[\"']\\s*:\\s*[\"']([^\"']+)[\"']/i,\n ];\n\n for (const pattern of fallbackPatterns) {\n const match = html.match(pattern);\n\n if (match && match[1]) {\n const size = normalizeSize(\n cleanHtmlText(match[1]),\n );\n\n if (size) {\n return size;\n }\n }\n }\n\n return null;\n}\n\nfunction normalizeSize(\n size: string,\n): string | null {\n size = String(size || \"\")\n .replace(/\\s+/g, \" \")\n .trim();\n\n if (!size) {\n return null;\n }\n\n /*\n * ยอมรับ:\n * 123 B\n * 22 KB\n * 1.5 MB\n * 2 GB\n * 1.2 TB\n */\n const match = size.match(\n /^([\\d.,]+)\\s*(B|KB|MB|GB|TB|KIB|MIB|GIB|TIB)$/i,\n );\n\n if (!match) {\n return size;\n }\n\n return (\n match[1] +\n \" \" +\n match[2].toUpperCase()\n );\n}\n\nfunction extractIdFromUrl(\n url: string,\n): string | null {\n try {\n const parsed = new URL(url);\n\n if (\n !/^(?:www\\.)?send\\.now$/i.test(\n parsed.hostname,\n )\n ) {\n return null;\n }\n\n const match = parsed.pathname.match(\n /^\\/([a-z0-9_-]{4,64})\\/?$/i,\n );\n\n if (\n match &&\n !isReservedPath(match[1])\n ) {\n return match[1];\n }\n } catch {\n // URL ไม่ถูกต้อง\n }\n\n return null;\n}\n\nfunction isReservedPath(\n value: string,\n): boolean {\n const reserved = new Set([\n \"api\",\n \"docs\",\n \"upload\",\n \"features\",\n \"help\",\n \"about\",\n \"terms\",\n \"privacy\",\n \"register\",\n \"login\",\n \"logout\",\n \"pricing\",\n \"services\",\n \"affiliate\",\n \"contact\",\n \"abuse\",\n ]);\n\n return reserved.has(\n String(value || \"\").toLowerCase(),\n );\n}\n\nfunction cleanHtmlText(\n value: string,\n): string {\n return decodeHtmlEntities(\n String(value || \"\")\n .replace(\n /]*>[\\s\\S]*?<\\/script>/gi,\n \" \",\n )\n .replace(\n /]*>[\\s\\S]*?<\\/style>/gi,\n \" \",\n )\n .replace(/<[^>]+>/g, \" \"),\n )\n .replace(/\\s+/g, \" \")\n .trim();\n}\n\nfunction decodeHtmlEntities(\n value: string,\n): string {\n return String(value || \"\")\n .replace(\n /&#x([0-9a-f]+);/gi,\n (_, code: string) =>\n safeCodePoint(\n parseInt(code, 16),\n ),\n )\n .replace(\n /&#(\\d+);/g,\n (_, code: string) =>\n safeCodePoint(\n parseInt(code, 10),\n ),\n )\n .replace(/"/gi, '\"')\n .replace(/'|'/gi, \"'\")\n .replace(/</gi, \"<\")\n .replace(/>/gi, \">\")\n .replace(/ /gi, \" \")\n .replace(/&/gi, \"&\");\n}\n\nfunction safeCodePoint(\n code: number,\n): string {\n if (\n !Number.isFinite(code) ||\n code < 0 ||\n code > 0x10ffff\n ) {\n return \"\";\n }\n\n return String.fromCodePoint(code);\n}\n\nfunction createDebugInfo(\n response: Response,\n resolvedUrl: string,\n html: string,\n) {\n return {\n resolvedUrl,\n server: response.headers.get(\"server\"),\n cfRay: response.headers.get(\"cf-ray\"),\n cfMitigated: response.headers.get(\n \"cf-mitigated\",\n ),\n contentType: response.headers.get(\n \"content-type\",\n ),\n bodySnippet: cleanHtmlText(\n html.slice(0, 1000),\n ).slice(0, 400),\n };\n}\n\nfunction getErrorMessage(\n error: unknown,\n): string {\n if (error instanceof Error) {\n return error.message;\n }\n\n return String(error);\n}","/**\n * Send.now File Info — Val.town\n *\n * เรียก:\n * https:///?link=https://send.now/skic9mlbugks\n *\n * ผลลัพธ์:\n * { statusCode: 200, filename: \"Demo.pdf\", size: \"22 KB\" }\n */\n\nconst UA = \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) \" +\n \"AppleWebKit/537.36 (KHTML, like Gecko) \" +\n \"Chrome/138.0 Safari/537.36\";\n\nconst BASE = \"https://send.now\";\n\nexport default async function (\n request: Request,\n): Promise {\n const json = (data: unknown, status = 200) =>\n new Response(JSON.stringify(data, null, 2), {\n status,\n headers: {\n \"content-type\": \"application/json; charset=utf-8\",\n \"access-control-allow-origin\": \"*\",\n },\n });\n\n try {\n const url = new URL(request.url);\n const input = url.searchParams.get(\"link\") ||\n url.searchParams.get(\"url\") ||\n \"\";\n\n const pageUrl = parseInput(input);\n\n if (!pageUrl) {\n return json(\n {\n statusCode: 400,\n message: \"Missing or invalid Send.now link\",\n },\n 400,\n );\n }\n\n const res = await fetch(pageUrl, {\n redirect: \"follow\",\n headers: {\n \"User-Agent\": UA,\n \"Accept\": \"text/html,application/xhtml+xml,*/*;q=0.8\",\n \"Accept-Language\": \"en-US,en;q=0.9\",\n },\n });\n\n const html = await res.text();\n\n if (!res.ok) {\n return json(\n {\n statusCode: res.status,\n message: \"Page fetch failed (HTTP \" +\n res.status +\n \")\",\n debug: {\n server: res.headers.get(\"server\"),\n cfMitigated: res.headers.get(\"cf-mitigated\"),\n bodySnippet: html.slice(0, 300),\n },\n },\n res.status,\n );\n }\n\n const filename = matchText(\n html,\n /]*id=[\"']qr[\"'][^>]*>([\\s\\S]*?)<\\/h6>/i,\n ) ||\n matchText(\n html,\n /]*class=[\"'][^\"']*max-width-50[^\"']*[\"'][^>]*>([\\s\\S]*?)<\\/h6>/i,\n );\n\n const downloadText = matchText(\n html,\n /]*id=[\"']downloadbtn[\"'][^>]*>([\\s\\S]*?)<\\/button>/i,\n );\n\n const sizeMatch = downloadText?.match(\n /\\[\\s*([^\\]]+?)\\s*\\]/,\n );\n\n const size = sizeMatch ? sizeMatch[1].trim() : null;\n\n if (!filename || !size) {\n return json(\n {\n statusCode: 404,\n message: \"Filename or file size not found\",\n debug: {\n filename,\n size,\n bodySnippet: html.slice(0, 300),\n },\n },\n 404,\n );\n }\n\n return json({\n statusCode: 200,\n filename,\n size,\n });\n } catch (error) {\n return json(\n {\n statusCode: 500,\n message: error instanceof Error ? error.message : String(error),\n },\n 500,\n );\n }\n}\n\nfunction parseInput(\n input: string,\n): string | null {\n input = String(input || \"\").trim();\n\n const match = input.match(\n /^https?:\\/\\/(?:www\\.)?send\\.now\\/((?:d\\/)?[a-z0-9_-]+)(?:[/?#]|$)/i,\n );\n\n if (match) {\n return BASE + \"/\" + match[1];\n }\n\n if (/^[a-z0-9_-]{4,64}$/i.test(input)) {\n return BASE + \"/\" + input;\n }\n\n return null;\n}\n\nfunction matchText(\n html: string,\n regex: RegExp,\n): string | null {\n const match = html.match(regex);\n\n if (!match) {\n return null;\n }\n\n return match[1]\n 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\n * Demo.pdf\n *

Diff · v4