@atproto/did/dist/atproto.js

DID resolution and verification library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.atprotoDidSchema = void 0;
exports.isAtprotoDid = isAtprotoDid;
exports.asAtprotoDid = asAtprotoDid;
exports.assertAtprotoDid = assertAtprotoDid;
exports.assertAtprotoDidWeb = assertAtprotoDidWeb;
exports.isAtprotoDidWeb = isAtprotoDidWeb;
const zod_1 = require("zod");
const did_error_js_1 = require("./did-error.js");
const methods_js_1 = require("./methods.js");
exports.atprotoDidSchema = zod_1.z
    .string()
    .refine(isAtprotoDid, `Atproto only allows "plc" and "web" DID methods`);
function isAtprotoDid(input) {
    // Optimized equivalent of:
    // return isDidPlc(input) || isAtprotoDidWeb(input)
    if (typeof input !== 'string') {
        return false;
    }
    else if (input.startsWith(methods_js_1.DID_PLC_PREFIX)) {
        return (0, methods_js_1.isDidPlc)(input);
    }
    else if (input.startsWith(methods_js_1.DID_WEB_PREFIX)) {
        return isAtprotoDidWeb(input);
    }
    else {
        return false;
    }
}
function asAtprotoDid(input) {
    assertAtprotoDid(input);
    return input;
}
function assertAtprotoDid(input) {
    if (typeof input !== 'string') {
        throw new did_error_js_1.InvalidDidError(typeof input, `DID must be a string`);
    }
    else if (input.startsWith(methods_js_1.DID_PLC_PREFIX)) {
        (0, methods_js_1.assertDidPlc)(input);
    }
    else if (input.startsWith(methods_js_1.DID_WEB_PREFIX)) {
        assertAtprotoDidWeb(input);
    }
    else {
        throw new did_error_js_1.InvalidDidError(input, `Atproto only allows "plc" and "web" DID methods`);
    }
}
function assertAtprotoDidWeb(input) {
    (0, methods_js_1.assertDidWeb)(input);
    if (input.includes(':', methods_js_1.DID_WEB_PREFIX.length)) {
        throw new did_error_js_1.InvalidDidError(input, `Atproto does not allow path components in Web DIDs`);
    }
    if (input.includes('%3A', methods_js_1.DID_WEB_PREFIX.length) &&
        !input.startsWith('did:web:localhost%3A')) {
        throw new did_error_js_1.InvalidDidError(input, `Atproto does not allow port numbers in Web DIDs, except for localhost`);
    }
}
/**
 * @see {@link https://atproto.com/specs/did#blessed-did-methods}
 */
function isAtprotoDidWeb(input) {
    try {
        assertAtprotoDidWeb(input);
        return true;
    }
    catch {
        return false;
    }
}
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