Merge branch 'fosscord:master' into master

1 files changed, 32 insertions, 0 deletions

diff --git a/api/src/util/utility/RandomInviteID.ts b/api/src/util/utility/RandomInviteID.ts
new file mode 100644

index 00000000..7ea344e0
--- /dev/null
+++ b/api/src/util/utility/RandomInviteID.ts
@@ -0,0 +1,32 @@
+import { Snowflake } from "@fosscord/util";
+
+export function random(length = 6) {
+	// Declare all characters
+	let chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+	// Pick characers randomly
+	let str = "";
+	for (let i = 0; i < length; i++) {
+		str += chars.charAt(Math.floor(Math.random() * chars.length));
+	}
+
+	return str;
+}
+
+export function snowflakeBasedInvite() {
+	// Declare all characters
+	let chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+	let base = BigInt(chars.length);
+	let snowflake = Snowflake.generateWorkerProcess();
+
+	// snowflakes hold ~10.75 characters worth of entropy;
+	// safe to generate a 8-char invite out of them
+	let str = "";
+	for (let i=0; i < 10; i++) {
+		
+		str.concat(chars.charAt(Number(snowflake % base)));
+		snowflake = snowflake / base;
+	}
+	
+	return str.substr(3,8).split("").reverse().join("");
+}