[{"data":1,"prerenderedAt":139},["ShallowReactive",2],{"pseo:tutorials:lid-to-phone:nodejs":3,"highlight:tutorial:lid-to-phone:nodejs":130},{"ban_risk":4,"ban_risk_note":5,"deploy_targets":6,"errors":11,"faqs":12,"feature":23,"full_script":27,"gotchas":31,"intro_note":37,"language":38,"pitfalls":43,"prerequisites":47,"related":50,"seo":74,"siblings":93,"step_summary":100,"steps":101,"tier":122,"url":87,"webhook_receiver":123},"low","Resolving identities you have legitimately encountered is low-risk. What is not low-risk is using the endpoint as a de-anonymiser: systematically resolving every participant of every group you can reach, to build a phone list, is both an abuse pattern and a privacy problem, and it is the kind of traffic that gets a number restricted.",[7,8,9,10],"Google Cloud Run (container, min instances 0, one process per channel worker)","Railway or Render web service for the Express receiver","Vercel or Netlify Functions for the webhook receiver only - they cannot hold the sender queue open","Fly.io machine with a persistent volume if you queue sends locally",[],[13,17,20],{"a":14,"q":15,"source":16},"To stop group and channel participation from exposing everybody's phone number to everybody else. It is a privacy improvement for users, and a real migration cost for anyone whose automation assumed the sender of a group message is always a number they can look up.","Why did WhatsApp introduce linked identities?","features.json",{"a":18,"q":19,"source":16},"It is stable for a given account, which is what makes it useful as a key. Treat it the way you would treat any external identifier: store it, index on it, and do not try to parse meaning out of it. If the account itself goes away, so does the identity.","Is a LID stable over time?",{"a":21,"q":22,"source":16},"In contexts where the identity is the participant - inside a group, for instance - yes. Starting a fresh one-to-one conversation from an identity alone is not something to rely on, so resolve to a phone number when you need to open a new thread, and expect that to sometimes be impossible.","Can I message someone using only their LID?",{"name":24,"slug":25,"url":26},"LID to Phone","lid-to-phone","\u002Fwhatsapp-api\u002Flid-to-phone\u002F",{"code":28,"filename":29,"lang":30},"\u002F\u002F LID to Phone with the Wapito WhatsApp API.\n\u002F\u002F\n\u002F\u002F Resolve the identities you already know, resolve the ones that arrive in events, and design for the case where no phone number comes back.\n\u002F\u002F\n\u002F\u002F Run it with:\n\u002F\u002F   export WAPITO_TOKEN=\"wpt_...\"\n\u002F\u002F   node lid-to-phone.mjs\n\nconst BASE_URL = 'https:\u002F\u002Fapi.wapito.com\u002Fv1';\nconst TOKEN = process.env.WAPITO_TOKEN;\n\n\u002F\u002F --- Look up the LID for a number you know ---\n{\n  const url = BASE_URL + '\u002Fcontacts\u002F+15551234567\u002Flid';\n  const options = {method: 'GET', headers: {Authorization: 'Bearer ' + TOKEN}};\n\n  try {\n    const response = await fetch(url, options);\n    const data = await response.json();\n    console.log(data);\n  } catch (error) {\n    console.error(error);\n  }\n}\n\n\u002F\u002F --- Resolve a LID that arrived in an event ---\n{\n  const url = BASE_URL + '\u002Fcontacts\u002Flid\u002F187264518273645@lid';\n  const options = {method: 'GET', headers: {Authorization: 'Bearer ' + TOKEN}};\n\n  try {\n    const response = await fetch(url, options);\n    const data = await response.json();\n    console.log(data);\n  } catch (error) {\n    console.error(error);\n  }\n}\n\n","lid-to-phone.mjs","javascript",[32,33,34,35,36],"fetch never rejects on a 4xx or 5xx. Check response.ok yourself; an await fetch(...) that \"worked\" can still be a 402 plan_required with a JSON error body.","Do not let express.json() run before your webhook route. Signature verification needs the exact raw bytes, so mount express.raw({ type: \"application\u002Fjson\" }) on the webhook path and parse the JSON yourself afterwards.","Node 18+ has global fetch, but node-fetch v2, undici and axios all disagree about how they surface non-2xx responses. Pick one client per project or your error handling will be inconsistent.","Promise.all over a list of recipients defeats the send queue: the API will serialise them anyway and return 429 send_rate_limited for the overflow. Send sequentially with await, or use a queue with concurrency 1 per channel.","Large numbers in JSON.parse lose precision. Treat every WhatsApp id, group id and timestamp that arrives as a string as a string - never Number() it.","In Node.js identity resolution is two fetch calls and a data-model rule: the linked identity is the key, the phone is an optional string, and both live in your store. A Map as a cache is enough for a script, while an Express receiver that sees identities in events should resolve against a table so a restart does not forget them and two workers agree on what is resolved.",{"family":39,"name":40,"slug":41,"url":42},"scripting","Node.js","nodejs","\u002Fwhatsapp-bot\u002Fnodejs\u002F",[44,45,46],"Template literals turn undefined into the string 'undefined', so `${participant.phone}` in an insert writes that word into your phone column; coalesce to null before building the query, and prefer a parameterised query so the driver sends a real NULL. The same driver will round the identity if the column is numeric, so declare it text and never pass it through Number().","A Map cache keyed on phone numbers cannot answer the question the events ask, which is keyed on identity; key the cache on the identity and index the phone as a secondary field, and give the Map a size cap so a long-running receiver does not grow without bound.","Retrying a 404 from the resolve call with exponential backoff never succeeds for a person the number has not interacted with; a 404 here is an answer, not a transient failure, so record it and move on rather than scheduling another attempt.",[48,49],"npm install express (fetch is built in from Node 18)","process.env.WAPITO_TOKEN",{"language_hub":42,"operations":51,"pillar":26,"same_language_features":58},[52,55],{"title":53,"url":54},"GET \u002Fcontacts\u002F{id}\u002Flid","\u002Fdocs\u002Fapi\u002Fcontacts\u002Fget-contact-lid\u002F",{"title":56,"url":57},"GET \u002Fcontacts\u002Flid\u002F{lid}","\u002Fdocs\u002Fapi\u002Fcontacts\u002Fget-contact-by-lid\u002F",[59,62,65,68,71],{"title":60,"url":61},"Create Group","\u002Fwhatsapp-api\u002Fcreate-group\u002Fnodejs\u002F",{"title":63,"url":64},"Group Participants","\u002Fwhatsapp-api\u002Fgroup-participants\u002Fnodejs\u002F",{"title":66,"url":67},"Group Admins","\u002Fwhatsapp-api\u002Fgroup-admins\u002Fnodejs\u002F",{"title":69,"url":70},"Group Invite Link","\u002Fwhatsapp-api\u002Fgroup-invite-link\u002Fnodejs\u002F",{"title":72,"url":73},"Group Settings","\u002Fwhatsapp-api\u002Fgroup-settings\u002Fnodejs\u002F",{"breadcrumb":75,"canonical":88,"description":89,"h1":90,"lastmod":91,"title":92},[76,79,82,85,86],{"name":77,"url":78},"Home","\u002F",{"name":80,"url":81},"WhatsApp API","\u002Fwhatsapp-api\u002F",{"name":83,"url":84},"Contacts","\u002Fwhatsapp-api\u002Fcontacts\u002F",{"name":24,"url":26},{"name":40,"url":87},"\u002Fwhatsapp-api\u002Flid-to-phone\u002Fnodejs\u002F","https:\u002F\u002Fwapito.com\u002Fwhatsapp-api\u002Flid-to-phone\u002Fnodejs\u002F","How to resolve a LID in Node.js with the Wapito WhatsApp API. 3 steps with runnable code, a Express 5 webhook receiver and the errors to expect.","How to resolve a LID in Node.js with the Wapito WhatsApp API","2026-09-17","Resolve a LID in Node.js (WhatsApp API Tutorial) | Wapito",[94,97],{"title":95,"url":96},"Python","\u002Fwhatsapp-api\u002Flid-to-phone\u002Fpython\u002F",{"title":98,"url":99},"PHP","\u002Fwhatsapp-api\u002Flid-to-phone\u002Fphp\u002F","Resolve the identities you already know, resolve the ones that arrive in events, and design for the case where no phone number comes back.",[102,110,117],{"body":103,"note":104,"operationId":105,"operation_url":54,"snippet":106,"title":108,"webhook":109},"Given a phone number, fetch the linked identity it maps to. Doing this for your own known contacts up front means later group events resolve from cache instead of needing a lookup each time.","In Node.js fetch \u002Fcontacts\u002F{id}\u002Flid with the E.164 number encoded into the path and store data.lid next to the number; run it once over your known contacts in a for...of loop with await so events later hit your own table rather than the API. Check response.ok, because an unknown number is a 404 that resolves normally and belongs in the table.","getContactLid",{"code":107,"lang":30},"const url = 'https:\u002F\u002Fapi.wapito.com\u002Fv1\u002Fcontacts\u002F+15551234567\u002Flid';\nconst options = {method: 'GET', headers: {Authorization: 'Bearer wpt_YOUR_TOKEN'}};\n\ntry {\n  const response = await fetch(url, options);\n  const data = await response.json();\n  console.log(data);\n} catch (error) {\n  console.error(error);\n}","Look up the LID for a number you know",null,{"body":111,"note":112,"operationId":113,"operation_url":57,"snippet":114,"title":116,"webhook":109},"Group and channel events increasingly carry a linked identity instead of a number. Resolve it once, store both, and key your own records on the linked identity because that is the value that will keep arriving.","In Node.js resolve an event's identity with a GET on \u002Fcontacts\u002Flid\u002F{lid}; the parsed object may carry phone: null, and a 404 is a resolved response you detect with response.status. Store the identity with a null phone in either case and treat it as a complete row; the same object carries name, push_name and is_business, worth keeping in the row.","getContactByLid",{"code":115,"lang":30},"const url = 'https:\u002F\u002Fapi.wapito.com\u002Fv1\u002Fcontacts\u002Flid\u002F187264518273645@lid';\nconst options = {method: 'GET', headers: {Authorization: 'Bearer wpt_YOUR_TOKEN'}};\n\ntry {\n  const response = await fetch(url, options);\n  const data = await response.json();\n  console.log(data);\n} catch (error) {\n  console.error(error);\n}","Resolve a LID that arrived in an event",{"body":118,"note":119,"operationId":109,"operation_url":109,"snippet":109,"title":120,"webhook":121},"Sometimes there is no mapping to be had, and the event arrives with a null phone number. Design for that: a participant you can address and count but cannot match to a CRM row is still a participant.","In Node.js the Express handler reads payload.data.participant and uses optional chaining, participant.phone ?? null, so a missing number is stored as null rather than the string 'undefined'. Upsert by identity and leave the phone column alone unless the event carries one, which in SQL is an ON CONFLICT clause setting the phone with COALESCE of new and old.","Handle the case where it cannot be resolved","groups.participants","t2",{"code":124,"events":125,"filename":127,"framework":128,"install":129,"lang":30},"import crypto from 'node:crypto';\nimport express from 'express';\n\nconst app = express();\nconst SECRET = process.env.WAPITO_WEBHOOK_SECRET;\nconst EVENTS = new Set(['groups.participants', 'messages']);\n\n\u002F** Checks the X-Wapito-Signature header: t=\u003Cms>,v1=\u003Chex hmac-sha256>. *\u002F\nfunction verify(raw, header) {\n  if (!header) return false;\n  const parts = Object.fromEntries(header.split(',').map((p) => p.split('=')));\n  if (!parts.t || !parts.v1) return false;\n  if (Math.abs(Date.now() - Number(parts.t)) > 300_000) return false; \u002F\u002F 5 minute clock skew\n  const expected = crypto.createHmac('sha256', SECRET).update(`${parts.t}.`).update(raw).digest('hex');\n  const a = Buffer.from(expected, 'hex');\n  const b = Buffer.from(parts.v1, 'hex');\n  return a.length === b.length && crypto.timingSafeEqual(a, b);\n}\n\napp.post('\u002Fwapito', express.raw({ type: 'application\u002Fjson' }), (req, res) => {\n  if (!verify(req.body, req.get('X-Wapito-Signature'))) return res.sendStatus(401);\n  const payload = JSON.parse(req.body.toString('utf8'));\n  if (EVENTS.has(payload.event)) console.log(payload.event, payload.data);\n  res.sendStatus(200); \u002F\u002F answer 2xx fast; do the real work in a queue\n});\n\napp.listen(Number(process.env.PORT ?? 3000));\n",[121,126],"messages","webhook.mjs","Express 5","npm install express",[131,133,135,137],{"label":40,"id":41,"lang":30,"code":107,"html":132},"\u003Cpre class=\"shiki shiki-themes github-light-default github-dark-default\" style=\"background-color:#ffffff;--shiki-dark-bg:#0d1117;color:#1f2328;--shiki-dark:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> url\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\"> 'https:\u002F\u002Fapi.wapito.com\u002Fv1\u002Fcontacts\u002F+15551234567\u002Flid'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> options\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {method: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'GET'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, headers: {Authorization: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'Bearer wpt_YOUR_TOKEN'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}};\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">try\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> response\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> await\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\"> fetch\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(url, options);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> data\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> await\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> response.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">json\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">();\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">log\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(data);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">} \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">catch\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (error) {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">error\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(error);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>",{"label":40,"id":41,"lang":30,"code":115,"html":134},"\u003Cpre class=\"shiki shiki-themes github-light-default github-dark-default\" style=\"background-color:#ffffff;--shiki-dark-bg:#0d1117;color:#1f2328;--shiki-dark:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> url\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\"> 'https:\u002F\u002Fapi.wapito.com\u002Fv1\u002Fcontacts\u002Flid\u002F187264518273645@lid'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> options\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {method: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'GET'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, headers: {Authorization: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'Bearer wpt_YOUR_TOKEN'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}};\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">try\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> response\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> await\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\"> fetch\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(url, options);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> data\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> await\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> response.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">json\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">();\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">log\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(data);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">} \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">catch\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (error) {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">error\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(error);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>",{"label":40,"id":41,"lang":30,"code":28,"html":136},"\u003Cpre class=\"shiki shiki-themes github-light-default github-dark-default\" style=\"background-color:#ffffff;--shiki-dark-bg:#0d1117;color:#1f2328;--shiki-dark:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F LID to Phone with the Wapito WhatsApp API.\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F Resolve the identities you already know, resolve the ones that arrive in events, and design for the case where no phone number comes back.\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F Run it with:\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F   export WAPITO_TOKEN=\"wpt_...\"\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F   node lid-to-phone.mjs\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> BASE_URL\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\"> 'https:\u002F\u002Fapi.wapito.com\u002Fv1'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> TOKEN\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> process.env.\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">WAPITO_TOKEN\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F --- Look up the LID for a number you know ---\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">{\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> url\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> BASE_URL\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> +\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\"> '\u002Fcontacts\u002F+15551234567\u002Flid'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> options\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {method: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'GET'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, headers: {Authorization: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'Bearer '\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> +\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> TOKEN\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}};\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  try\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">    const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> response\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> await\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\"> fetch\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(url, options);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">    const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> data\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> await\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> response.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">json\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">();\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">    console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">log\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(data);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  } \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">catch\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (error) {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">    console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">error\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(error);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  }\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F --- Resolve a LID that arrived in an event ---\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">{\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> url\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> BASE_URL\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> +\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\"> '\u002Fcontacts\u002Flid\u002F187264518273645@lid'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> options\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {method: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'GET'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, headers: {Authorization: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'Bearer '\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> +\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> TOKEN\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}};\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  try\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">    const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> response\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> await\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\"> fetch\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(url, options);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">    const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> data\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> await\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> response.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">json\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">();\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">    console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">log\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(data);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  } \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">catch\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (error) {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">    console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">error\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(error);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  }\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>",{"label":128,"id":41,"lang":30,"code":124,"html":138},"\u003Cpre class=\"shiki shiki-themes github-light-default github-dark-default\" style=\"background-color:#ffffff;--shiki-dark-bg:#0d1117;color:#1f2328;--shiki-dark:#e6edf3\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">import\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> crypto \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">from\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\"> 'node:crypto'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">import\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> express \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">from\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\"> 'express'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> app\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\"> express\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">();\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> SECRET\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> process.env.\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">WAPITO_WEBHOOK_SECRET\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> EVENTS\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> new\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\"> Set\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">([\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'groups.participants'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'messages'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">]);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F** Checks the X-Wapito-Signature header: t=<ms>,v1=<hex hmac-sha256>. *\u002F\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">function\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\"> verify\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#953800;--shiki-dark:#FFA657\">raw\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, \u003C\u002Fspan>\u003Cspan style=\"color:#953800;--shiki-dark:#FFA657\">header\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">) {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  if\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">!\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">header) \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">return\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> false\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> parts\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> Object.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">fromEntries\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(header.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">split\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">','\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">).\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">map\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">((\u003C\u002Fspan>\u003Cspan style=\"color:#953800;--shiki-dark:#FFA657\">p\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">) \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">=>\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> p.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">split\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'='\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">)));\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  if\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">!\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">parts.t \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">||\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> !\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">parts.v1) \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">return\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> false\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">;\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  if\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (Math.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">abs\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(Date.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">now\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">() \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">-\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\"> Number\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(parts.t)) \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">>\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> 300_000\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">) \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">return\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> false\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">; \u003C\u002Fspan>\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F 5 minute clock skew\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> expected\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> crypto.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">createHmac\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'sha256'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, \u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">SECRET\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">).\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">update\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">`${\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">parts\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">.\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">t\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">}.`\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">).\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">update\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(raw).\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">digest\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'hex'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> a\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> Buffer.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">from\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(expected, \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'hex'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> b\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> Buffer.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">from\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(parts.v1, \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'hex'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  return\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> a.\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">length\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> ===\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> b.\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">length\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> &&\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> crypto.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">timingSafeEqual\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(a, b);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">}\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">app.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">post\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'\u002Fwapito'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, express.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">raw\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">({ type: \u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'application\u002Fjson'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> }), (\u003C\u002Fspan>\u003Cspan style=\"color:#953800;--shiki-dark:#FFA657\">req\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">, \u003C\u002Fspan>\u003Cspan style=\"color:#953800;--shiki-dark:#FFA657\">res\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">) \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">=>\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> {\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  if\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">!\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">verify\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(req.body, req.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">get\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'X-Wapito-Signature'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">))) \u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">return\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> res.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">sendStatus\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">401\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  const\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> payload\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> =\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> JSON\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">parse\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(req.body.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">toString\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0A3069;--shiki-dark:#A5D6FF\">'utf8'\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">));\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\">  if\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\"> (\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">EVENTS\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">has\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(payload.event)) console.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">log\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(payload.event, payload.data);\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">  res.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">sendStatus\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">200\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">); \u003C\u002Fspan>\u003Cspan style=\"color:#6E7781;--shiki-dark:#8B949E\">\u002F\u002F answer 2xx fast; do the real work in a queue\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">});\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">app.\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">listen\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(\u003C\u002Fspan>\u003Cspan style=\"color:#8250DF;--shiki-dark:#D2A8FF\">Number\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">(process.env.\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\">PORT\u003C\u002Fspan>\u003Cspan style=\"color:#CF222E;--shiki-dark:#FF7B72\"> ??\u003C\u002Fspan>\u003Cspan style=\"color:#0550AE;--shiki-dark:#79C0FF\"> 3000\u003C\u002Fspan>\u003Cspan style=\"color:#1F2328;--shiki-dark:#E6EDF3\">));\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"line\">\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fpre>",1790464903058]