89 lines
No EOL
2.8 KiB
JavaScript
89 lines
No EOL
2.8 KiB
JavaScript
const magick = require("../build/Release/image.node");
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const fetch = require("node-fetch");
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const { promisify } = require("util");
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const AbortController = require("abort-controller");
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const fileType = require("file-type");
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const execPromise = promisify(require("child_process").exec);
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const servers = require("../servers.json").image;
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const formats = ["image/jpeg", "image/png", "image/webp", "image/gif"];
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exports.run = async (object, fromAPI = false) => {
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if (process.env.API === "true" && !fromAPI) {
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const currentServer = servers[Math.floor(Math.random() * servers.length)];
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const req = await fetch(`${currentServer}/run`, {
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method: "POST",
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body: JSON.stringify(object),
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headers: {
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"Content-Type": "application/json"
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}
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});
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const json = await req.json();
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if (json.status === "nogif") return {
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buffer: "nogif",
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type: null
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};
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let data;
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while (!data) {
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const statusReq = await fetch(`${currentServer}/status?id=${json.id}`);
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const statusJSON = await statusReq.json();
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if (statusJSON.status === "success") {
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const imageReq = await fetch(`${currentServer}/image?id=${json.id}`);
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data = {
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buffer: await imageReq.buffer(),
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type: imageReq.headers.get("content-type").split("/")[1]
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};
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} else if (statusJSON.status === "error") {
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throw new Error(statusJSON.error);
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}
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}
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return data;
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} else {
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let type;
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if (!fromAPI && object.path) {
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const newType = (object.type ? object.type : await this.getType(object.path));
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type = newType ? newType.split("/")[1] : "png";
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if (type !== "gif" && object.onlyGIF) return {
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buffer: "nogif",
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type: null
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};
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object.type = type;
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const delay = (await execPromise(`ffprobe -v 0 -of csv=p=0 -select_streams v:0 -show_entries stream=r_frame_rate ${object.path}`)).stdout.replace("\n", "");
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object.delay = (100 / delay.split("/")[0]) * delay.split("/")[1];
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}
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const data = await promisify(magick[object.cmd])(object);
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return fromAPI ? data : {
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buffer: data,
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type: type
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};
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}
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};
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exports.check = (cmd) => {
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return magick[cmd] ? true : false;
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};
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exports.getType = async (image) => {
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let type;
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const controller = new AbortController();
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const timeout = setTimeout(() => {
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controller.abort();
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}, 25000);
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try {
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const imageRequest = await fetch(image, { signal: controller.signal, highWaterMark: 512 });
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const imageBuffer = await imageRequest.buffer();
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const imageType = await fileType.fromBuffer(imageBuffer);
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if (imageType && formats.includes(imageType.mime)) {
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type = imageType.mime;
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}
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} catch (error) {
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if (error.name === "AbortError") {
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throw Error("Timed out");
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} else {
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throw error;
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}
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} finally {
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clearTimeout(timeout);
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}
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return type;
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}; |