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@ -3,6 +3,7 @@ import type { EmbeddedFile, ImageProcessor } from "./main"; |
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import { PNGDecoder, PNGEncoder } from "./png"; |
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import { decodeCoom3Payload } from "./utils"; |
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import { settings } from "./stores"; |
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import { filehosts } from "./filehosts"; |
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export let csettings: Parameters<typeof settings['set']>[0]; |
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@ -11,6 +12,7 @@ settings.subscribe(b => { |
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}); |
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const CUM3 = Buffer.from("doo\0" + "m"); |
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const CUM4 = Buffer.from("voo\0" + "m"); |
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const CUM5 = Buffer.from("boo\0"); |
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const BufferReadStream = (b: Buffer) => { |
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const ret = new ReadableStream<Buffer>({ |
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@ -33,6 +35,20 @@ const xor = (a: Buffer, p: Buffer) => { |
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} |
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}; |
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const prefs: any = { |
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'files.catbox.moe': 'c', |
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'a.pomf.cat': 'p', |
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'take-me-to.space': 't', |
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'z.zz.fo': 'z' |
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}; |
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const rprefs: any = { |
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'c': 'files.catbox.moe', |
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'p': 'a.pomf.cat', |
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't': 'take-me-to.space', |
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'z': 'z.zz.fo', |
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}; |
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const extract = async (png: Buffer) => { |
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const reader = BufferReadStream(png).getReader(); |
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const sneed = new PNGDecoder(reader); |
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@ -55,6 +71,14 @@ const extract = async (png: Buffer) => { |
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const k = await decodeCoom3Payload(passed); |
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ret.push(...k.filter(e => e).map(e => e as EmbeddedFile)); |
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} |
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if (buff.slice(4, 4 + CUM5.length).equals(CUM5)) { |
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const passed = buff.slice(4 + CUM5.length); |
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const decoded = Buffer.from(passed.toString(), 'base64').toString().split(' ').map(e => { |
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return `https://${rprefs[e[0]]}/${e.slice(1)}`; |
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}).join(' '); |
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const k = await decodeCoom3Payload(Buffer.from(decoded)); |
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ret.push(...k.filter(e => e).map(e => e as EmbeddedFile)); |
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} |
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break; |
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case 'IDAT': |
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// eslint-disable-next-line no-fallthrough
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@ -100,8 +124,8 @@ export const inject_data = async (container: File, injb: Buffer) => { |
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break; |
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if (!magic && name == "IDAT") { |
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const passed = Buffer.from(injb); |
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xor(passed, password); |
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await encoder.insertchunk(["tEXt", async () => buildChunk("tEXt", Buffer.concat([CUM4, passed])), () => Promise.resolve(0), 0]); |
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//xor(passed, password2);
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await encoder.insertchunk(["tEXt", async () => buildChunk("tEXt", Buffer.concat([CUM5, passed])), () => Promise.resolve(0), 0]); |
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magic = true; |
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} |
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await encoder.insertchunk([name, chunk, crc, offset]); |
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@ -115,7 +139,16 @@ export const inject_data = async (container: File, injb: Buffer) => { |
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}; |
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const inject = async (container: File, links: string[]) => { |
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const injb = Buffer.from(links.join(' ')); |
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links = links.map(link => { |
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for (const h of filehosts) { |
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if (link.includes(h.serving)) { |
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const end = link.split('/').slice(-1)[0]; |
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return `${prefs[h.serving]}${end}`; |
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} |
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} |
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return ''; |
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}); |
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const injb = Buffer.from(Buffer.from(links.join(' ')).toString("base64")); |
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return inject_data(container, injb); |
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}; |
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@ -133,6 +166,8 @@ const has_embed = async (png: Buffer) => { |
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return true; |
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if (buff.slice(4, 4 + CUM4.length).equals(CUM4)) |
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return true; |
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if (buff.slice(4, 4 + CUM5.length).equals(CUM5)) |
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return true; |
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break; |
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case 'IDAT': |
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// eslint-disable-next-line no-fallthrough
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coomdev
2 years ago