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Code Issues Releases Activity

Merge pull request #526 from erkinalp/patch-3

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Samuel 2021-11-30 18:44:04 +01:00 committed by GitHub
commit c0b020e34a
1 changed files with 6 additions and 5 deletions
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9
api/src/util/RandomInviteID.ts
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@ -16,16 +16,17 @@ export function random(length = 6) {
export function snowflakeBasedInvite() { export function snowflakeBasedInvite() {
// Declare all characters // Declare all characters
let chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; let chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
let base = BigInt(chars.length);
let snowflake = Snowflake.generateWorkerProcess(); let snowflake = Snowflake.generateWorkerProcess();
// snowflakes hold ~10.75 characters worth of entropy; // snowflakes hold ~10.75 characters worth of entropy;
// safe to generate a 8-char invite out of them // safe to generate a 8-char invite out of them
let str = ""; let str = "";
for (let i=0; i < 10; i++) { for (let i=0; i < 10; i++) {
str += chars.charAt((snowflake % chars.length));
snowflake /= chars.length; str += chars.charAt(snowflake % base);
snowflake = snowflake / base;
} }
return str.substr(3,8).reverse(); // little-endianise for entropy return str.substr(3,8).split("").reverse().join("");
} }