wip

package-lock.json

@@ -11,6 +11,7 @@
         "next": "12.0.7",
         "react": "17.0.2",
         "react-dom": "17.0.2",
+        "xml2js": "^0.4.23",
         "xmlbuilder": "^15.1.1"
       },
       "devDependencies": {
@@ -5197,6 +5198,11 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "node_modules/sax": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+    },
     "node_modules/scheduler": {
       "version": "0.20.2",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.20.2.tgz",
@@ -5971,6 +5977,26 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "node_modules/xml2js": {
+      "version": "0.4.23",
+      "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.23.tgz",
+      "integrity": "sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==",
+      "dependencies": {
+        "sax": ">=0.6.0",
+        "xmlbuilder": "~11.0.0"
+      },
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
+    "node_modules/xml2js/node_modules/xmlbuilder": {
+      "version": "11.0.1",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-11.0.1.tgz",
+      "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==",
+      "engines": {
+        "node": ">=4.0"
+      }
+    },
     "node_modules/xmlbuilder": {
       "version": "15.1.1",
       "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-15.1.1.tgz",
@@ -9807,6 +9833,11 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "sax": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+    },
     "scheduler": {
       "version": "0.20.2",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.20.2.tgz",
@@ -10403,6 +10434,22 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "xml2js": {
+      "version": "0.4.23",
+      "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.23.tgz",
+      "integrity": "sha512-ySPiMjM0+pLDftHgXY4By0uswI3SPKLDw/i3UXbnO8M/p28zqexCUoPmQFrYD+/1BzhGJSs2i1ERWKJAtiLrug==",
+      "requires": {
+        "sax": ">=0.6.0",
+        "xmlbuilder": "~11.0.0"
+      },
+      "dependencies": {
+        "xmlbuilder": {
+          "version": "11.0.1",
+          "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-11.0.1.tgz",
+          "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA=="
+        }
+      }
+    },
     "xmlbuilder": {
       "version": "15.1.1",
       "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-15.1.1.tgz",

package.json

@@ -13,6 +13,7 @@
     "next": "12.0.7",
     "react": "17.0.2",
     "react-dom": "17.0.2",
+    "xml2js": "^0.4.23",
     "xmlbuilder": "^15.1.1"
   },
   "devDependencies": {

pages/api/apps/saml.ts

@@ -1,4 +1,26 @@
 import type { NextApiRequest, NextApiResponse } from 'next';
+import xml2js from 'xml2js';
+
+const parseXML = (xml: string): Promise<Record<string, any>> => {
+  return new Promise((resolve, reject) => {
+    xml2js.parseString(xml, (err: Error, result: any) => {
+      resolve(result);
+    });
+  });
+};
+
+const extractSAMLRequestAttribute = async (SAMLRequest: string | string[]) => {
+  // @ts-ignore
+  const result = await parseXML(Buffer.from(SAMLRequest, 'base64').toString());
+  const sp = result['samlp:AuthnRequest']['$'];
+
+  return {
+    ID: sp['ID'],
+    IssueInstant: sp['IssueInstant'],
+    AssertionConsumerServiceURL: sp['AssertionConsumerServiceURL'],
+    ProviderName: sp['ProviderName'],
+  };
+};
 
 export default async function handler(
   req: NextApiRequest,
@@ -11,14 +33,8 @@ export default async function handler(
   async function response(req: NextApiRequest) {
     const { RelayState, SAMLRequest } = req.query;
 
-    // @ts-ignore
+    const attributes = await extractSAMLRequestAttribute(SAMLRequest);
-    const samlRequest = Buffer.from(SAMLRequest, 'base64').toString();
 
-    // @ts-ignore
+    return res.status(200).json(attributes);
-    // const a = Buffer.from(SAMLRequest, 'base64');
-    // const b = pako.inflateRaw(a, { to: 'string' });
-    // const samlRequest = Buffer.from(SAMLRequest, 'base64').toString('hex');
-
-    return res.status(200).json({ samlRequest });
   }
 }

services/metadata.ts

@@ -20,7 +20,7 @@ export const create = (
   };
 };
 
-const formatCert = (certificate: string) => {
+const extractCert = (certificate: string) => {
   return certificate
     .replace('-----BEGIN CERTIFICATE-----', '')
     .replace('-----END CERTIFICATE-----', '')
@@ -48,7 +48,7 @@ export const createXML = async (
             '@xmlns:ds': 'http://www.w3.org/2000/09/xmldsig#',
             'ds:X509Data': {
               'ds:X509Certificate': {
-                '#text': `${formatCert(certificate)}`,
+                '#text': `${extractCert(certificate)}`,
               },
             },
           },