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Generate public url for linked discord attachments

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Cadence Ember 2024-09-14 01:39:41 +12:00
commit c6175e09f8
6 changed files with 87 additions and 11 deletions
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10
src/discord/utils.js
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@ -3,6 +3,8 @@
const DiscordTypes = require("discord-api-types/v10")
const assert = require("assert").strict
const {reg} = require("../matrix/read-registration")
const EPOCH = 1420070400000
/**
@ -117,6 +119,13 @@ function timestampToSnowflakeInexact(timestamp) {
return String((timestamp - EPOCH) * 2**22)
}
/** @param {string} url */
function getPublicUrlForCdn(url) {
const match = url.match(`https://cdn.discordapp.com/attachments/([0-9]+)/([0-9]+)/([-A-Za-z0-9_.,]+)`)
if (!match) return url
return `${reg.ooye.bridge_origin}/download/discordcdn/${match[1]}/${match[2]}/${match[3]}`
}
module.exports.getPermissions = getPermissions
module.exports.hasPermission = hasPermission
module.exports.hasSomePermissions = hasSomePermissions
@ -125,3 +134,4 @@ module.exports.isWebhookMessage = isWebhookMessage
module.exports.isEphemeralMessage = isEphemeralMessage
module.exports.snowflakeToTimestampExact = snowflakeToTimestampExact
module.exports.timestampToSnowflakeInexact = timestampToSnowflakeInexact
module.exports.getPublicUrlForCdn = getPublicUrlForCdn