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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| import { Attachment, Collection, Snowflake } from "discord.js"; | ||
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| import { Writable } from "node:stream"; | ||
| import { createWriteStream } from "fs-extra"; | ||
| import { log } from "./log"; | ||
| import { resolve as resolvePath } from "node:path"; | ||
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| const EXTENSION_PATTERN = /([^./]+)$/; | ||
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| export class AttachmentStore { | ||
| private readonly attachments = new Map<Snowflake, string>(); | ||
| private readonly basePath: string; | ||
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| constructor(basePath: string) { | ||
| this.basePath = basePath; | ||
| } | ||
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| private getExtension(url: URL): string { | ||
| const match = url.pathname.match(EXTENSION_PATTERN); | ||
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| if (match === null) { | ||
| log.attachments("Failed to find extension for attachment '%s'.", url); | ||
| return ""; | ||
| } | ||
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| return "." + match[1]; | ||
| } | ||
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| async dump(shouldDumpAttachments: boolean): Promise<void> { | ||
| if (!shouldDumpAttachments) { | ||
| log.attachments("Not dumping %d attachments.", this.attachments.size); | ||
| return; | ||
| } | ||
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| log.attachments("Dumping %d attachments.", this.attachments.size); | ||
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| for (const [id, urlString] of this.attachments) { | ||
| const url = new URL(urlString); | ||
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| const extension = this.getExtension(url); | ||
| const path = resolvePath(this.basePath, `${id}${extension}`); | ||
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| const response = await fetch(url); | ||
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| if (response.body) { | ||
| const fileStream = createWriteStream(path); | ||
| response.body.pipeTo(Writable.toWeb(fileStream)); | ||
| } | ||
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| log.attachments("Dumped attachment '%s' to '%s'.", urlString, path); | ||
| } | ||
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| return; | ||
| } | ||
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| private add(id: Snowflake, attachment: Attachment): void { | ||
| this.attachments.set(id, attachment.proxyURL); | ||
| } | ||
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| addAll(attachments: Collection<Snowflake, Attachment>): void { | ||
| for (const [id, attachment] of attachments) { | ||
| this.add(id, attachment); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| import { BaseChannel, GuildChannel, ThreadChannel } from "discord.js"; | ||
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| import { resolve } from "node:path"; | ||
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| /** | ||
| * The timestamp used in part of the dump's path. | ||
| */ | ||
| const dumpDate = Date.now().toString(); | ||
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| function getGuildIdPart(channel: BaseChannel | null): string { | ||
| if (channel instanceof GuildChannel || channel instanceof ThreadChannel) { | ||
| return channel.guild.id; | ||
| } | ||
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| return "guildless"; | ||
| } | ||
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| export class GuildPaths { | ||
| private readonly channel: BaseChannel | null; | ||
| private readonly base: string; | ||
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| constructor(channel: BaseChannel | null) { | ||
| this.channel = channel; | ||
| this.base = resolve(`./dumps/${getGuildIdPart(channel)}/${dumpDate}`); | ||
| } | ||
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| private resolve(...segments: string[]) { | ||
| return resolve(this.base, ...segments); | ||
| } | ||
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| getAttachments(): string { | ||
| return this.resolve("./attachments"); | ||
| } | ||
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| getChannel(): string { | ||
| if (this.channel === null) { | ||
| throw new Error("Cannot get channel path in non-channel context"); | ||
| } | ||
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| return this.resolve(`./channels/${this.channel.id}.txt`); | ||
| } | ||
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| getMemberHierarchy(): string { | ||
| return this.resolve("./member_hierarchy.txt"); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| import debug from "debug"; | ||
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| export const log = { | ||
| attachments: debug("discord-dumper:attachments"), | ||
| dumper: debug("discord-dumper:dumper"), | ||
| path: debug("discord-dumper:path"), | ||
| prepare: debug("discord-dumper:prepare"), | ||
| }; |