diff --git a/package-lock.json b/package-lock.json
index 9d7a1f51..9b5a5310 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -129,6 +129,12 @@
"resolved": "https://registry.npmjs.org/@types/tmp/-/tmp-0.2.0.tgz",
"integrity": "sha512-flgpHJjntpBAdJD43ShRosQvNC0ME97DCfGvZEDlAThQmnerRXrLbX6YgzRBQCZTthET9eAWFAMaYP0m0Y4HzQ=="
},
+ "@types/uuid": {
+ "version": "8.3.0",
+ "resolved": "https://registry.npmjs.org/@types/uuid/-/uuid-8.3.0.tgz",
+ "integrity": "sha512-eQ9qFW/fhfGJF8WKHGEHZEyVWfZxrT+6CLIJGBcZPfxUh/+BnEj+UCGYMlr9qZuX/2AltsvwrGqp0LhEW8D0zQ==",
+ "dev": true
+ },
"accepts": {
"version": "1.3.7",
"resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -968,6 +974,11 @@
"requires": {
"lru-cache": "^6.0.0"
}
+ },
+ "uuid": {
+ "version": "8.3.0",
+ "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.0.tgz",
+ "integrity": "sha512-fX6Z5o4m6XsXBdli9g7DtWgAx+osMsRRZFKma1mIUsLCz6vRvv+pz5VNbyu9UEDzpMWulZfvpgb/cmDXVulYFQ=="
}
}
},
@@ -1457,9 +1468,9 @@
"integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
},
"uuid": {
- "version": "8.3.0",
- "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.0.tgz",
- "integrity": "sha512-fX6Z5o4m6XsXBdli9g7DtWgAx+osMsRRZFKma1mIUsLCz6vRvv+pz5VNbyu9UEDzpMWulZfvpgb/cmDXVulYFQ=="
+ "version": "8.3.2",
+ "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+ "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
},
"vary": {
"version": "1.1.2",
diff --git a/package.json b/package.json
index 847c688f..03662356 100644
--- a/package.json
+++ b/package.json
@@ -26,13 +26,15 @@
"lambert-db": "^1.0.5",
"missing-native-js-functions": "^1.0.8",
"multer": "^1.4.2",
- "node-fetch": "^2.6.1"
+ "node-fetch": "^2.6.1",
+ "uuid": "^8.3.2"
},
"devDependencies": {
"@types/btoa": "^1.2.3",
"@types/express": "^4.17.9",
"@types/multer": "^1.4.5",
"@types/node": "^14.14.16",
- "@types/node-fetch": "^2.5.7"
+ "@types/node-fetch": "^2.5.7",
+ "@types/uuid": "^8.3.0"
}
}
diff --git a/src/Snowflake.js b/src/Snowflake.js
new file mode 100644
index 00000000..feb5eb41
--- /dev/null
+++ b/src/Snowflake.js
@@ -0,0 +1,145 @@
+// @ts-nocheck
+
+// github.com/discordjs/discord.js/blob/master/src/util/Snowflake.js
+"use strict";
+
+// Discord epoch (2015-01-01T00:00:00.000Z)
+const EPOCH = 1420070400000;
+let INCREMENT = 0;
+
+/**
+ * A container for useful snowflake-related methods.
+ */
+class SnowflakeUtil {
+ constructor() {
+ throw new Error(`The ${this.constructor.name} class may not be instantiated.`);
+ }
+
+ /**
+ * A Twitter snowflake, except the epoch is 2015-01-01T00:00:00.000Z
+ * ```
+ * If we have a snowflake '266241948824764416' we can represent it as binary:
+ *
+ * 64 22 17 12 0
+ * 000000111011000111100001101001000101000000 00001 00000 000000000000
+ * number of ms since Discord epoch worker pid increment
+ * ```
+ * @typedef {string} Snowflake
+ */
+
+ /**
+ * Transforms a snowflake from a decimal string to a bit string.
+ * @param {Snowflake} num Snowflake to be transformed
+ * @returns {string}
+ * @private
+ */
+ static idToBinary(num) {
+ let bin = "";
+ let high = parseInt(num.slice(0, -10)) || 0;
+ let low = parseInt(num.slice(-10));
+ while (low > 0 || high > 0) {
+ bin = String(low & 1) + bin;
+ low = Math.floor(low / 2);
+ if (high > 0) {
+ low += 5000000000 * (high % 2);
+ high = Math.floor(high / 2);
+ }
+ }
+ return bin;
+ }
+
+ /**
+ * Transforms a snowflake from a bit string to a decimal string.
+ * @param {string} num Bit string to be transformed
+ * @returns {Snowflake}
+ * @private
+ */
+ static binaryToID(num) {
+ let dec = "";
+
+ while (num.length > 50) {
+ const high = parseInt(num.slice(0, -32), 2);
+ const low = parseInt((high % 10).toString(2) + num.slice(-32), 2);
+
+ dec = (low % 10).toString() + dec;
+ num =
+ Math.floor(high / 10).toString(2) +
+ Math.floor(low / 10)
+ .toString(2)
+ .padStart(32, "0");
+ }
+
+ num = parseInt(num, 2);
+ while (num > 0) {
+ dec = (num % 10).toString() + dec;
+ num = Math.floor(num / 10);
+ }
+
+ return dec;
+ }
+
+ /**
+ * Generates a Discord snowflake.
+ * <info>This hardcodes the worker ID as 1 and the process ID as 0.</info>
+ * @param {number|Date} [timestamp=Date.now()] Timestamp or date of the snowflake to generate
+ * @returns {Snowflake} The generated snowflake
+ */
+ static generate(timestamp = Date.now()) {
+ if (timestamp instanceof Date) timestamp = timestamp.getTime();
+ if (typeof timestamp !== "number" || isNaN(timestamp)) {
+ throw new TypeError(
+ `"timestamp" argument must be a number (received ${isNaN(timestamp) ? "NaN" : typeof timestamp})`
+ );
+ }
+ if (INCREMENT >= 4095) INCREMENT = 0;
+ const BINARY = `${(timestamp - EPOCH).toString(2).padStart(42, "0")}0000100000${(INCREMENT++)
+ .toString(2)
+ .padStart(12, "0")}`;
+ return SnowflakeUtil.binaryToID(BINARY);
+ }
+
+ /**
+ * A deconstructed snowflake.
+ * @typedef {Object} DeconstructedSnowflake
+ * @property {number} timestamp Timestamp the snowflake was created
+ * @property {Date} date Date the snowflake was created
+ * @property {number} workerID Worker ID in the snowflake
+ * @property {number} processID Process ID in the snowflake
+ * @property {number} increment Increment in the snowflake
+ * @property {string} binary Binary representation of the snowflake
+ */
+
+ /**
+ * Deconstructs a Discord snowflake.
+ * @param {Snowflake} snowflake Snowflake to deconstruct
+ * @returns {DeconstructedSnowflake} Deconstructed snowflake
+ */
+ static deconstruct(snowflake) {
+ const BINARY = SnowflakeUtil.idToBinary(snowflake).toString(2).padStart(64, "0");
+ const res = {
+ timestamp: parseInt(BINARY.substring(0, 42), 2) + EPOCH,
+ workerID: parseInt(BINARY.substring(42, 47), 2),
+ processID: parseInt(BINARY.substring(47, 52), 2),
+ increment: parseInt(BINARY.substring(52, 64), 2),
+ binary: BINARY,
+ };
+ Object.defineProperty(res, "date", {
+ get: function get() {
+ return new Date(this.timestamp);
+ },
+ enumerable: true,
+ });
+ return res;
+ }
+
+ /**
+ * Discord's epoch value (2015-01-01T00:00:00.000Z).
+ * @type {number}
+ * @readonly
+ */
+ static get EPOCH() {
+ return EPOCH;
+ }
+}
+
+module.exports = SnowflakeUtil;
diff --git a/src/routes/attachments.ts b/src/routes/attachments.ts
new file mode 100644
index 00000000..7d09e402
--- /dev/null
+++ b/src/routes/attachments.ts
@@ -0,0 +1,50 @@
+import { Router } from "express";
+import multer from "multer";
+import Snowflake from "../Snowflake";
+
+const multer_ = multer();
+const router = Router();
+
+type Attachment = {
+ filename: string;
+ file: string;
+ id: string;
+ type: string;
+};
+
+router.post("/:filename", multer_.single("attachment"), async (req, res) => {
+ const { buffer, mimetype } = req.file;
+ const { filename } = req.params;
+ const { db } = req.server;
+
+ const File: Attachment = {
+ filename,
+ file: buffer.toString("base64"),
+ id: Snowflake.generate(),
+ type: mimetype,
+ };
+
+ if (!(await db.data.attachments.push(File))) throw new Error("Error uploading file");
+
+ return res.status(201).send({ success: true, message: "attachment uploaded", id: File.id, filename });
+});
+
+router.get("/:hash/:filename", async (req, res) => {
+ const { db } = req.server;
+ const { hash, filename } = req.params;
+
+ const File: Attachment = await db.data.attachments({ id: hash, filename: filename }).get();
+
+ res.set("Content-Type", File.type);
+ return res.send(Buffer.from(File.file, "base64"));
+});
+
+router.delete("/:hash/:filename", async (req, res) => {
+ const { hash, filename } = req.params;
+ const { db } = req.server;
+
+ await db.data.attachments({ id: hash, filename: filename }).delete();
+ return res.send({ success: true, message: "attachment deleted" });
+});
+
+export default router;
diff --git a/src/routes/attachments.ts.disabled b/src/routes/attachments.ts.disabled
deleted file mode 100644
index db1a7efc..00000000
--- a/src/routes/attachments.ts.disabled
+++ /dev/null
@@ -1,19 +0,0 @@
-import { Router } from "express";
-import multer from "multer";
-const multer_ = multer();
-
-const router = Router();
-router.post("/:file", multer_.single("attachment"), async (req, res) => {
- const { buffer } = req.file;
-
- res.set("Content-Type", "image/png");
- res.send(buffer);
-});
-router.get("/:hash/:file", async (req, res) => {
- res.send(`${req.params.hash}/${req.params.file}`);
-});
-router.delete("/:hash/:file", async (req, res) => {
- res.send("remove");
-});
-
-export default router;
|
