n8n
Version:
n8n Workflow Automation Tool
130 lines • 6.32 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
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Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
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Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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};
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ownKeys = Object.getOwnPropertyNames || function (o) {
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};
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if (mod && mod.__esModule) return mod;
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var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SamlValidator = void 0;
const backend_common_1 = require("@n8n/backend-common");
const di_1 = require("@n8n/di");
const samlify_1 = require("samlify");
const invalid_saml_metadata_error_1 = require("./errors/invalid-saml-metadata.error");
let SamlValidator = class SamlValidator {
constructor(logger) {
this.logger = logger;
this.preload = [];
}
async init() {
await this.loadSchemas();
this.xmllint = await Promise.resolve().then(() => __importStar(require('xmllint-wasm')));
}
validateIdentiyProvider(idp) {
const binding = idp.entityMeta.getSingleSignOnService(samlify_1.Constants.wording.binding.redirect);
if (typeof binding !== 'string') {
throw new invalid_saml_metadata_error_1.InvalidSamlMetadataError('only SAML redirect binding is supported.');
}
}
async validateMetadata(metadata) {
const validXML = await this.validateXml('metadata', metadata);
if (validXML) {
const idp = (0, samlify_1.IdentityProvider)({
metadata,
});
this.validateIdentiyProvider(idp);
}
return validXML;
}
async validateResponse(response) {
return await this.validateXml('response', response);
}
async loadSchemas() {
this.xmlProtocol = (await Promise.resolve().then(() => __importStar(require('./schema/saml-schema-protocol-2.0.xsd')))).xmlFileInfo;
this.xmlMetadata = (await Promise.resolve().then(() => __importStar(require('./schema/saml-schema-metadata-2.0.xsd')))).xmlFileInfo;
this.preload = (await Promise.all([
Promise.resolve().then(() => __importStar(require('./schema/saml-schema-assertion-2.0.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/xmldsig-core-schema.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/xenc-schema.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/xml.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/ws-federation.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/oasis-200401-wss-wssecurity-secext-1.0.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/oasis-200401-wss-wssecurity-utility-1.0.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/ws-addr.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/metadata-exchange.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/ws-securitypolicy-1.2.xsd'))),
Promise.resolve().then(() => __importStar(require('./schema/ws-authorization.xsd'))),
])).map((m) => m.xmlFileInfo);
}
async validateXml(type, contents) {
const fileName = `${type}.xml`;
const schema = type === 'metadata' ? [this.xmlMetadata] : [this.xmlProtocol];
const preload = [type === 'metadata' ? this.xmlProtocol : this.xmlMetadata, ...this.preload];
try {
const validationResult = await this.xmllint.validateXML({
xml: [{ fileName, contents }],
extension: 'schema',
schema,
preload,
});
if (validationResult?.valid) {
this.logger.debug(`SAML ${type} is valid`);
return true;
}
else {
this.logger.debug(`SAML ${type} is invalid`);
this.logger.warn(validationResult
? validationResult.errors
.map((error) => `${error.message} - ${error.rawMessage}`)
.join('\n')
: '');
}
}
catch (error) {
this.logger.warn(error);
}
return false;
}
};
exports.SamlValidator = SamlValidator;
exports.SamlValidator = SamlValidator = __decorate([
(0, di_1.Service)(),
__metadata("design:paramtypes", [backend_common_1.Logger])
], SamlValidator);
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