sign-in-with-ethereum-parser/dist/abnf.js

Parse Messages that conform to EIP-4361: Sign In with Ethereum (SIWE)

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.isUri = exports.ParsedMessage = void 0;
const siwe_grammar_1 = require("./siwe-grammar");
const callbacks_1 = require("./callbacks");
const node_exports_1 = __importDefault(require("apg-js/src/apg-lib/node-exports"));
const grammarObj = new siwe_grammar_1.grammar();
class ParsedMessage {
    // and display it on an HTML page.
    constructor(msg) {
        const parser = new node_exports_1.default.parser();
        parser.callbacks["sign-in-with-ethereum"] = callbacks_1.cb.signInWithEtherium;
        parser.callbacks["oscheme"] = callbacks_1.cb.oscheme;
        parser.callbacks["domain"] = callbacks_1.cb.domain;
        parser.callbacks["LF"] = callbacks_1.cb.lineno;
        parser.callbacks["ex-title"] = callbacks_1.cb.exTitle;
        parser.callbacks["nb-title"] = callbacks_1.cb.nbTitle;
        parser.callbacks["ri-title"] = callbacks_1.cb.riTitle;
        parser.callbacks["re-title"] = callbacks_1.cb.reTitle;
        parser.callbacks["address"] = callbacks_1.cb.address;
        parser.callbacks["statement"] = callbacks_1.cb.statement;
        parser.callbacks["empty-statement"] = callbacks_1.cb.emptyStatement;
        parser.callbacks["version"] = callbacks_1.cb.version;
        parser.callbacks["chain-id"] = callbacks_1.cb.chainId;
        parser.callbacks["nonce"] = callbacks_1.cb.nonce;
        parser.callbacks["issued-at"] = callbacks_1.cb.issuedAt;
        parser.callbacks["expiration-time"] = callbacks_1.cb.expirationTime;
        parser.callbacks["not-before"] = callbacks_1.cb.notBefore;
        parser.callbacks["request-id"] = callbacks_1.cb.requestId;
        parser.callbacks["uri"] = callbacks_1.cb.uri;
        parser.callbacks["uri-r"] = callbacks_1.cb.uriR;
        parser.callbacks["resource"] = callbacks_1.cb.resource;
        parser.callbacks["scheme"] = callbacks_1.cb.scheme;
        parser.callbacks["userinfo-at"] = callbacks_1.cb.userinfo;
        parser.callbacks["host"] = callbacks_1.cb.host;
        parser.callbacks["IP-literal"] = callbacks_1.cb.ipLiteral;
        parser.callbacks["port"] = callbacks_1.cb.port;
        parser.callbacks["path-abempty"] = callbacks_1.cb.pathAbempty;
        parser.callbacks["path-absolute"] = callbacks_1.cb.pathAbsolute;
        parser.callbacks["path-rootless"] = callbacks_1.cb.pathRootless;
        parser.callbacks["path-empty"] = callbacks_1.cb.pathEmpty;
        parser.callbacks["query"] = callbacks_1.cb.query;
        parser.callbacks["fragment"] = callbacks_1.cb.fragment;
        parser.callbacks["IPv4address"] = callbacks_1.cb.ipv4;
        parser.callbacks["nodcolon"] = callbacks_1.cb.nodcolon;
        parser.callbacks["dcolon"] = callbacks_1.cb.dcolon;
        parser.callbacks["h16"] = callbacks_1.cb.h16;
        parser.callbacks["h16c"] = callbacks_1.cb.h16;
        parser.callbacks["h16n"] = callbacks_1.cb.h16;
        parser.callbacks["h16cn"] = callbacks_1.cb.h16;
        parser.callbacks["dec-octet"] = callbacks_1.cb.decOctet;
        parser.callbacks["dec-digit"] = callbacks_1.cb.decDigit;
        // initialize parsed elements
        const elements = {
            errors: [],
            lineno: 1,
            scheme: undefined,
            domain: undefined,
            address: undefined,
            statement: undefined,
            uri: undefined,
            version: undefined,
            chainId: undefined,
            nonce: undefined,
            issuedAt: undefined,
            expirationTime: undefined,
            notBefore: undefined,
            requestId: undefined,
            resources: undefined,
            uriElements: {
                scheme: undefined,
                userinfo: undefined,
                host: undefined,
                port: undefined,
                path: undefined,
                query: undefined,
                fragment: undefined,
            },
        };
        const result = parser.parse(grammarObj, 0, msg, elements);
        let throwMsg = "";
        for (let i = 0; i < elements.errors.length; i += 1) {
            throwMsg += elements.errors[i] + "\n";
        }
        if (!result.success) {
            throwMsg += `Invalid message: ${JSON.stringify(result)}`;
        }
        if (throwMsg !== "") {
            throw new Error(throwMsg);
        }
        this.scheme = elements.scheme;
        this.domain = elements.domain;
        this.address = elements.address;
        this.statement = elements.statement;
        this.uri = elements.uri;
        this.version = elements.version;
        this.chainId = elements.chainId;
        this.nonce = elements.nonce;
        this.issuedAt = elements.issuedAt;
        this.expirationTime = elements.expirationTime;
        this.notBefore = elements.notBefore;
        this.requestId = elements.requestId;
        this.resources = elements.resources;
        this.uriElements = elements.uriElements;
    }
}
exports.ParsedMessage = ParsedMessage;
const isUri = (uri) => {
    const parser = new node_exports_1.default.parser();
    parser.callbacks["IP-literal"] = callbacks_1.cb.ipLiteral;
    parser.callbacks["IPv4address"] = callbacks_1.cb.ipv4;
    parser.callbacks["nodcolon"] = callbacks_1.cb.nodcolon;
    parser.callbacks["dcolon"] = callbacks_1.cb.dcolon;
    parser.callbacks["h16"] = callbacks_1.cb.h16;
    parser.callbacks["h16c"] = callbacks_1.cb.h16;
    parser.callbacks["h16n"] = callbacks_1.cb.h16;
    parser.callbacks["h16cn"] = callbacks_1.cb.h16;
    parser.callbacks["dec-octet"] = callbacks_1.cb.decOctet;
    parser.callbacks["dec-digit"] = callbacks_1.cb.decDigit;
    const data = { errors: [] };
    const result = parser.parse(grammarObj, "uri-r", uri, data);
    return result.success;
};
exports.isUri = isUri;