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[headers.get(\"set-cookie\")!] : []);\n return all.map((s) => s.split(\";\", 1)[0]).filter(Boolean).join(\"; \");\n}\nfunction mergeCookies(a: string, b: string): string {\n const m = new Map();\n for (const c of [a, b]) for (const part of c.split(/;\\s*/)) {\n const i = part.indexOf(\"=\"); if (i > 0) m.set(part.slice(0, i), part.slice(i + 1));\n }\n return [...m].map(([k, v]) => `${k}=${v}`).join(\"; \");\n}\nasync function responseBytes(res: Response): Promise {\n return new Uint8Array(await res.arrayBuffer());\n}\nasync function verify(label: string, url: string, bytes: Uint8Array) {\n const digest = await sha256(bytes);\n return {\n label, url, bytes: bytes.byteLength, sha256: digest,\n pdf_like: pdfLike(bytes),\n exact_size: bytes.byteLength === TARGET.bytes,\n exact_sha256: digest === TARGET.sha256,\n exact: bytes.byteLength === TARGET.bytes && digest === TARGET.sha256,\n };\n}\n\nasync function fetchStatic() {\n const res = await fetch(HORAENG, {\n redirect: \"follow\",\n 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{ referer: detailUrl, accept: \"application/pdf,*/*;q=0.8\" } }, cookie);\n if (!x.res.ok) throw new Error(`Q-Net attachment HTTP ${x.res.status}`);\n const bytes = await responseBytes(x.res);\n return { bytes, audit: await verify(\"qnet_official_session\", x.res.url || dl, bytes), resolved: { filePath, fileName, fileSeq } };\n}\n\nasync function acquire() {\n const attempts: any[] = [];\n for (const fn of [fetchStatic, fetchQNet]) {\n try {\n const got: any = await fn();\n attempts.push(got.audit);\n if (got.audit.exact) {\n const key = \"pb/2022-r59-natural-science-a/exact.pdf\";\n await blob.set(key, got.bytes);\n const provenance = {\n accepted_at: new Date().toISOString(), target: TARGET, accepted_from: got.audit.label,\n audit: got.audit, resolved: got.resolved ?? null, prior_attempts: attempts,\n };\n await blob.setJSON(\"pb/2022-r59-natural-science-a/provenance.json\", provenance);\n return { ok: true, key, provenance, bytes: got.bytes };\n }\n } catch (e) {\n attempts.push({ 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{ blob } from \"https://esm.town/v/std/blob/main.ts\";\nconst PDF_KEY=\"pb/2022-r59-natural-science-a/exact.pdf\";\nconst EXPECTED_BYTES=4830605;\nconst EXPECTED_SHA=\"baa62634f43206b384ae52f12914b40447d150d41eae4774cfa8c176e9790537\";\nconst PAGE_ENDPOINT=\"https://jpark--092ea9b0acc911f1931d1607ee4eb77e.web.val.run/\";\nfunction hex(buf:ArrayBuffer){return [...new Uint8Array(buf)].map(b=>b.toString(16).padStart(2,\"0\")).join(\"\")}\nasync function hash(bytes:Uint8Array){const c=new Uint8Array(bytes.byteLength);c.set(bytes);return hex(await crypto.subtle.digest(\"SHA-256\",c))}\nexport default async function(){const r=await blob.get(PDF_KEY);const bytes=new Uint8Array(await r.arrayBuffer());const sha=await hash(bytes);const pages:any[]=[];for(let p=2;p<=19;p++){const u=`${PAGE_ENDPOINT}?page=${p}`;try{const x=await fetch(u,{redirect:\"follow\"});const ab=await 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worker.recognize(im,{rectangle:rect} as any); await worker.terminate();\n return Response.json({ok:true,page:p,half,source_jpeg_bytes:im.byteLength,rectangle:rect,source_pdf_bytes:4830605,source_pdf_sha256:'baa62634f43206b384ae52f12914b40447d150d41eae4774cfa8c176e9790537',text:r.data.text});\n}",[],[178],"648a15df-3d21-4f78-bd23-47bbf6be0d3c","pilot_crop.ts","06564466-acd1-11f1-8d74-1607ee4eb77e",["D",1789014917953],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport Jimp from \"npm:jimp@0.22.12\";\nconst PDF_KEY='pb/2022-r59-natural-science-a/exact.pdf';\nfunction imgs(b:Uint8Array){const a:any[]=[];let i=0;while(i100000)a.push({start:s,end:e,size:e-s});i=e;break}i++}}else i++}return a}\nexport default async function(req:Request){const u=new URL(req.url),p=Number(u.searchParams.get('page')||'19'),half=u.searchParams.get('half')||'top';const raw=await blob.get(PDF_KEY);if(!raw)return Response.json({ok:false},{status:404});const b=new Uint8Array(await 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\"https://esm.town/v/std/blob/main.ts\";\nconst P=\"pb/2022-r59-natural-science-a/ocr\";\nexport default async function(req:Request){const u=new URL(req.url);const from=Math.max(1,Number(u.searchParams.get(\"from\")||\"1\"));const to=Math.min(20,Number(u.searchParams.get(\"to\")||String(from)));const pages=[];for(let p=from;p<=to;p++){const key=`${P}/page-${String(p).padStart(2,\"0\")}.txt`;try{const r=await blob.get(key);pages.push({page:p,text:await r.text()});}catch(e){pages.push({page:p,error:String(e)})}}return Response.json({from,to,pages});}",[],[201],"6f877cf2-c79f-481a-9ab0-714f9a5d55bc","ocr_batch.ts","c77da606-acc8-11f1-9066-1607ee4eb77e",3,["D",1789011376523],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport { createWorker } from \"npm:tesseract.js\";\nconst PDF_KEY=\"pb/2022-r59-natural-science-a/exact.pdf\", P=\"pb/2022-r59-natural-science-a/ocr\";\nfunction imgs(b:Uint8Array){const a:any[]=[];let i=0;while(i100000)a.push({start:s,end:e,size:e-s});i=e;break}i++}}else i++}return a}\nexport default async function(req:Request){const u=new URL(req.url),from=Number(u.searchParams.get(\"from\")||\"5\"),to=Number(u.searchParams.get(\"to\")||String(from));const raw=await blob.get(PDF_KEY);if(!raw)return Response.json({ok:false,error:\"missing\"},{status:404});const b=new Uint8Array(await raw.arrayBuffer()),a=imgs(b);const w=await createWorker(\"kor+eng\");const out:any[]=[];for(let p=from;p<=to&&p<=a.length;p++){const x=a[p-1],r=await w.recognize(b.slice(x.start,x.end)),text=r.data.text,key=`${P}/page-${String(p).padStart(2,\"0\")}.txt`;await blob.set(key,text);out.push({page:p,jpeg_bytes:x.size,key,text})}await w.terminate();return Response.json({ok:true,pages:a.length,from,to,results:out})}\n",[],[209],"7fd8e4c8-ad35-4a58-8deb-ad1bca4f891c","ocr.ts","a607a0ee-acc8-11f1-a489-1607ee4eb77e",2,["D",1789011320406],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport { createWorker } from \"npm:tesseract.js\";\n\nconst PDF_KEY = \"pb/2022-r59-natural-science-a/exact.pdf\";\nconst OCR_PREFIX = \"pb/2022-r59-natural-science-a/ocr\";\n\nfunction findJpegs(bytes: Uint8Array) {\n const out: Array<{start:number,end:number,size:number}> = [];\n let i = 0;\n while (i < bytes.length - 3) {\n if (bytes[i] === 0xff && bytes[i+1] === 0xd8 && bytes[i+2] === 0xff) {\n const start = i;\n i += 3;\n while (i < bytes.length - 1) {\n if (bytes[i] === 0xff && bytes[i+1] === 0xd9) {\n const end = i + 2;\n out.push({start,end,size:end-start});\n i = end;\n break;\n }\n i++;\n }\n } else i++;\n }\n return out;\n}\n\nexport default async function(req: Request): Promise {\n const u = new URL(req.url);\n const page = Number(u.searchParams.get(\"page\") || \"1\");\n const raw = await blob.get(PDF_KEY);\n if (!raw) return Response.json({ok:false,error:\"missing pdf blob\"},{status:404});\n const bytes = new Uint8Array(await raw.arrayBuffer());\n const images = findJpegs(bytes).filter(x => x.size > 100000);\n if (!Number.isInteger(page) || page < 1 || page > images.length) {\n return Response.json({ok:false,pages:images.length,images});\n }\n const span = images[page-1];\n const img = bytes.slice(span.start, span.end);\n const worker = await createWorker(\"kor+eng\");\n const result = await worker.recognize(img);\n await worker.terminate();\n const text = result.data.text;\n const key = `${OCR_PREFIX}/page-${String(page).padStart(2,\"0\")}.txt`;\n await blob.set(key, text);\n return Response.json({ok:true,page,pages:images.length,jpeg_bytes:img.byteLength,key,text});\n}\n",[],[217],["D",1789010997526],[],[18],["D",1789010997497],{"_11":12,"_120":69},{"_11":12,"_115":116,"_68":69,"_30":67,"_117":118,"_119":24},{"_38":106,"_13":16,"_32":35,"_107":71,"_108":-5,"_109":-5,"_110":-5,"_111":-5,"_112":-5,"_113":14,"_114":12},"ctx",{"_52":-5,"_139":264,"_265":266,"_267":268,"_269":24,"_270":24,"_271":24,"_272":83,"_273":-5,"_274":-7,"_275":-7,"_276":26,"_277":24,"_278":24,"_279":-5,"_280":24,"_281":24,"_282":24,"_283":-5},"ENV",{"_235":236,"_237":238,"_239":16,"_240":241,"_242":243,"_244":245,"_246":247,"_248":249,"_250":251,"_252":253,"_254":255,"_256":257,"_258":259,"_260":261,"_262":263},"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"]

History · main.ts