Fix login auto-retry deadlock

dist/AgrarmonitorConnector.d.ts

@@ -48,6 +48,7 @@ export declare class AgrarmonitorConnector implements AgrarmonitorConnectorResul
     private performLogin;
     private performRedirectLogin;
     private isSessionValid;
+    private loginRequestConfig;
     private isLoginRequiredResponse;
     private retryAfterLogin;
     private createDateienLivesearchParams;

dist/AgrarmonitorConnector.d.ts.map

@@ -1 +1 @@
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+{"version":3,"file":"AgrarmonitorConnector.d.ts","sourceRoot":"","sources":["../src/AgrarmonitorConnector.ts"],"names":[],"mappings":"AAAA,OAAc,EAAE,KAAK,aAAa,EAA+C,MAAM,OAAO,CAAC;AAI/F,OAAO,KAAK,EACV,uBAAuB,EACvB,4BAA4B,EAC5B,2BAA2B,EAC3B,qCAAqC,EACrC,oCAAoC,EACpC,iCAAiC,EACjC,+BAA+B,EAE/B,kBAAkB,EAClB,+BAA+B,EAC/B,OAAO,EACP,cAAc,EACd,gBAAgB,EAChB,gCAAgC,EAChC,KAAK,EAEL,QAAQ,EACR,kBAAkB,EAClB,WAAW,EACX,cAAc,EACf,MAAM,SAAS,CAAC;AAejB,qBAAa,qBAAsB,YAAW,2BAA2B;IAgB3D,OAAO,CAAC,QAAQ,CAAC,OAAO;IAf7B,IAAI,EAAG,aAAa,CAAC;IAE5B,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,gBAAgB,CAAsE;IAE9G,OAAO,CAAC,QAAQ,CAAC,OAAO,CAAS;IACjC,OAAO,CAAC,QAAQ,CAAC,UAAU,CAAS;IACpC,OAAO,CAAC,QAAQ,CAAC,SAAS,CAAS;IACnC,OAAO,CAAC,QAAQ,CAAC,SAAS,CAAU;IACpC,OAAO,CAAC,QAAQ,CAAC,SAAS,CAAU;IACpC,OAAO,CAAC,QAAQ,CAAC,aAAa,CAA4B;IAC1D,OAAO,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAS;IACjC,OAAO,CAAC,SAAS,CAAa;IAC9B,OAAO,CAAC,OAAO,CAAiB;IAChC,OAAO,CAAC,eAAe,CAA8B;gBAExB,OAAO,EAAE,4BAA4B;IAU5D,IAAI,IAAI,OAAO,CAAC,IAAI,CAAC;IAgBrB,KAAK,IAAI,OAAO,CAAC,IAAI,CAAC;IAYtB,YAAY,IAAI,OAAO,CAAC,IAAI,CAAC;IAO7B,WAAW,IAAI,OAAO,CAAC,IAAI,CAAC;IAI5B,cAAc,CAAC,GAAG,SAAe,GAAG,OAAO,CAAC,MAAM,CAAC;IAInD,mBAAmB,IAAI,OAAO,CAAC,+BAA+B,CAAC;IAqB/D,gBAAgB,IAAI,OAAO,CAAC,+BAA+B,CAAC;IAoB5D,cAAc,CAClB,YAAY,EAAE,qCAAqC,GAClD,OAAO,CAAC,oCAAoC,CAAC;IA6C1C,cAAc,CAAC,OAAO,GAAE,iCAAsC,GAAG,OAAO,CAAC,uBAAuB,EAAE,CAAC;IAiBnG,UAAU,CAAC,OAAO,GAAE,iCAAsC,GAAG,OAAO,CAAC,kBAAkB,EAAE,CAAC;IAK1F,4BAA4B,CAAC,UAAU,EAAE,MAAM,GAAG,OAAO,CAAC,gCAAgC,EAAE,CAAC;IAqD7F,yBAAyB,CAAC,UAAU,EAAE,MAAM,GAAG,OAAO,CAAC,OAAO,CAAC;IAU/D,uCAAuC,CAAC,UAAU,EAAE,MAAM,GAAG,OAAO,CAAC,OAAO,CAAC;IAa7E,iBAAiB,CAAC,UAAU,EAAE,MAAM,GAAG,OAAO,CAAC,cAAc,CAAC;IAqB9D,iBAAiB,CAAC,UAAU,EAAE,MAAM,EAAE,KAAK,EAAE,cAAc,GAAG,OAAO,CAAC,OAAO,CAAC;IAkB9E,qBAAqB,CAAC,UAAU,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,GAAG,OAAO,CAAC,IAAI,CAAC;IAYxE,gBAAgB,CAAC,UAAU,EAAE,MAAM,EAAE,KAAK,EAAE,IAAI,GAAG,OAAO,CAAC,OAAO,CAAC;IAenE,eAAe,CAAC,EAAE,EAAE,MAAM,GAAG,OAAO,CAAC,uBAAuB,CAAC;IAe7D,sBAAsB,IAAI,OAAO,CAAC,kBAAkB,EAAE,CAAC;IAoBvD,YAAY,CAAC,SAAS,EAAE,MAAM,EAAE,UAAU,SAAK,GAAG,OAAO,CAAC,QAAQ,EAAE,CAAC;IA4BrE,SAAS,IAAI,OAAO,CAAC,KAAK,EAAE,CAAC;IAkB7B,mBAAmB,IAAI,OAAO,CAAC,cAAc,EAAE,CAAC;IAmBhD,oBAAoB,IAAI,OAAO,CAAC,gBAAgB,EAAE,CAAC;IAkBnD,UAAU,CAAC,aAAa,EAAE,MAAM,EAAE,UAAU,SAAK,GAAG,OAAO,CAAC,OAAO,EAAE,CAAC;IA6BtE,cAAc,CAAC,UAAU,SAAK,EAAE,iBAAiB,SAAI,GAAG,OAAO,CAAC,WAAW,EAAE,CAAC;IAgCpF,OAAO,CAAC,gBAAgB;IA2CxB,OAAO,CAAC,mBAAmB;YAYb,UAAU;YAeV,iBAAiB;IA2B/B,OAAO,CAAC,SAAS;YAmBH,YAAY;YAqBZ,oBAAoB;YAiCpB,cAAc;IAS5B,OAAO,CAAC,kBAAkB;IAM1B,OAAO,CAAC,uBAAuB;YAajB,eAAe;IAa7B,OAAO,CAAC,6BAA6B;YAYvB,2BAA2B;YAyB3B,6BAA6B;IA0B3C,OAAO,CAAC,cAAc;IAWtB,OAAO,CAAC,iBAAiB;IAIzB,OAAO,CAAC,YAAY;IAIpB,OAAO,CAAC,UAAU;IAIlB,OAAO,CAAC,mBAAmB;IAM3B,OAAO,CAAC,WAAW;IAKnB,OAAO,CAAC,mBAAmB;IAK3B,OAAO,CAAC,aAAa;IAIrB,OAAO,CAAC,SAAS;IAajB,OAAO,CAAC,WAAW;IAInB,OAAO,CAAC,oBAAoB;IAqB5B,OAAO,CAAC,WAAW;IAQnB,OAAO,CAAC,qBAAqB;IAO7B,OAAO,CAAC,eAAe;IAIvB,OAAO,CAAC,YAAY;IAKpB,OAAO,CAAC,mBAAmB;IAK3B,OAAO,CAAC,oBAAoB;IAS5B,OAAO,CAAC,aAAa;IASrB,OAAO,CAAC,4BAA4B;IAKpC,OAAO,CAAC,QAAQ;IAShB,OAAO,CAAC,cAAc;IAKtB,OAAO,CAAC,SAAS;IAUjB,OAAO,CAAC,kBAAkB;IAI1B,OAAO,CAAC,eAAe;IAIvB,OAAO,CAAC,YAAY;IAYpB,OAAO,CAAC,SAAS;CAGlB"}

dist/AgrarmonitorConnector.js

@@ -406,14 +406,16 @@ class AgrarmonitorConnector {
         }));
         client.interceptors.response.use(async (response) => {
             await this.options.cookieStore.save(this.cookieJar);
-            if (this.autoRetry && this.isLoginRequiredResponse(response)) {
+            const config = response.config;
-                return this.retryAfterLogin(response.config);
+            if (this.autoRetry && !config._agrarmonitorLoginRequest && this.isLoginRequiredResponse(response)) {
+                return this.retryAfterLogin(config);
             }
             return response;
         }, async (error) => {
             const response = error.response;
-            if (this.autoRetry && response && this.isLoginRequiredResponse(response)) {
+            const config = error.config;
-                return this.retryAfterLogin(error.config);
+            if (this.autoRetry && response && config && !config._agrarmonitorLoginRequest && this.isLoginRequiredResponse(response)) {
+                return this.retryAfterLogin(config);
             }
             throw error;
         });
@@ -487,11 +489,14 @@ class AgrarmonitorConnector {
             this.logger?.warn?.('loginStrategy "auto" ist veraltet; verwende Redirect-Login');
         }
         await this.performRedirectLogin();
+        if (!(await this.isSessionValid({ skipAutoRetry: true }))) {
+            throw new Error('Agrarmonitor-Login durchgefuehrt, Session weiterhin ungueltig - Geraet freigeschaltet? Credentials korrekt?');
+        }
         await this.options.cookieStore.save(this.cookieJar);
         this.logger?.info?.('Agrarmonitor-Login erfolgreich');
     }
     async performRedirectLogin() {
-        const loginPageResponse = await this.http.get('/');
+        const loginPageResponse = await this.http.get('/', this.loginRequestConfig());
         const loginPageText = typeof loginPageResponse.data === 'string' ? loginPageResponse.data : '';
         if (!this.isLoginPageText(loginPageText)) {
             return;
@@ -504,25 +509,32 @@ class AgrarmonitorConnector {
             ssoAction: "",
             ssoReturn: "",
         };
-        const response = await this.http.post('/login/api/login.php', loginData, {
+        const loginPostConfig = {
             headers: {
                 'Content-Type': 'application/json',
             },
-        });
+            _agrarmonitorLoginRequest: true,
+        };
+        const response = await this.http.post('/login/api/login.php', loginData, loginPostConfig);
         const responseText = typeof response.data === 'string' ? response.data : '';
         if (this.isLoginPageText(responseText)) {
             throw new Error('Agrarmonitor-Redirect-Login fehlgeschlagen');
         }
     }
-    async isSessionValid() {
+    async isSessionValid(options = {}) {
         try {
-            const response = await this.http.get('/');
+            const response = await this.http.get('/', options.skipAutoRetry ? this.loginRequestConfig() : undefined);
             return !this.isLoginRequiredResponse(response);
         }
         catch {
             return false;
         }
     }
+    loginRequestConfig() {
+        return {
+            _agrarmonitorLoginRequest: true,
+        };
+    }
     isLoginRequiredResponse(response) {
         const responseUrl = this.getResponseUrl(response);
         const responseText = typeof response.data === 'string' ? response.data : '';

package.json

@@ -11,6 +11,7 @@
     "build": "tsc -p tsconfig.json",
     "clean": "rm -rf dist",
     "prepare": "npm run build",
+    "test": "npm run build && node --test test/*.test.js",
     "typecheck": "tsc -p tsconfig.json --noEmit"
   },
   "keywords": [

src/AgrarmonitorConnector.ts

@@ -27,6 +27,7 @@ import type {
 
 type RetryableAxiosRequestConfig = AxiosRequestConfig & {
   _agrarmonitorRetry?: boolean;
+  _agrarmonitorLoginRequest?: boolean;
 };
 
 type AgrarmonitorCustomerPage = {
@@ -557,17 +558,20 @@ export class AgrarmonitorConnector implements AgrarmonitorConnectorResult {
       async response => {
         await this.options.cookieStore.save(this.cookieJar);
 
-        if (this.autoRetry && this.isLoginRequiredResponse(response)) {
+        const config = response.config as RetryableAxiosRequestConfig;
-          return this.retryAfterLogin(response.config);
+
+        if (this.autoRetry && !config._agrarmonitorLoginRequest && this.isLoginRequiredResponse(response)) {
+          return this.retryAfterLogin(config);
         }
 
         return response;
       },
       async error => {
         const response = error.response as AxiosResponse | undefined;
+        const config = error.config as RetryableAxiosRequestConfig | undefined;
 
-        if (this.autoRetry && response && this.isLoginRequiredResponse(response)) {
+        if (this.autoRetry && response && config && !config._agrarmonitorLoginRequest && this.isLoginRequiredResponse(response)) {
-          return this.retryAfterLogin(error.config);
+          return this.retryAfterLogin(config);
         }
 
         throw error;
@@ -663,12 +667,16 @@ export class AgrarmonitorConnector implements AgrarmonitorConnectorResult {
 
     await this.performRedirectLogin();
 
+    if (!(await this.isSessionValid({ skipAutoRetry: true }))) {
+      throw new Error('Agrarmonitor-Login durchgefuehrt, Session weiterhin ungueltig - Geraet freigeschaltet? Credentials korrekt?');
+    }
+
     await this.options.cookieStore.save(this.cookieJar);
     this.logger?.info?.('Agrarmonitor-Login erfolgreich');
   }
 
   private async performRedirectLogin(): Promise<void> {
-    const loginPageResponse = await this.http.get('/');
+    const loginPageResponse = await this.http.get('/', this.loginRequestConfig());
     const loginPageText = typeof loginPageResponse.data === 'string' ? loginPageResponse.data : '';
 
     if (!this.isLoginPageText(loginPageText)) {
@@ -684,11 +692,14 @@ export class AgrarmonitorConnector implements AgrarmonitorConnectorResult {
       ssoReturn: "",
     };
 
-    const response = await this.http.post('/login/api/login.php', loginData, {
+    const loginPostConfig: RetryableAxiosRequestConfig = {
       headers: {
         'Content-Type': 'application/json',
       },
-    });
+      _agrarmonitorLoginRequest: true,
+    };
+
+    const response = await this.http.post('/login/api/login.php', loginData, loginPostConfig);
 
     const responseText = typeof response.data === 'string' ? response.data : '';
 
@@ -697,15 +708,21 @@ export class AgrarmonitorConnector implements AgrarmonitorConnectorResult {
     }
   }
 
-  private async isSessionValid(): Promise<boolean> {
+  private async isSessionValid(options: { skipAutoRetry?: boolean } = {}): Promise<boolean> {
     try {
-      const response = await this.http.get('/');
+      const response = await this.http.get('/', options.skipAutoRetry ? this.loginRequestConfig() : undefined);
       return !this.isLoginRequiredResponse(response);
     } catch {
       return false;
     }
   }
 
+  private loginRequestConfig(): RetryableAxiosRequestConfig {
+    return {
+      _agrarmonitorLoginRequest: true,
+    };
+  }
+
   private isLoginRequiredResponse(response: AxiosResponse): boolean {
     const responseUrl = this.getResponseUrl(response);
     const responseText = typeof response.data === 'string' ? response.data : '';

test/login-deadlock.test.js

@@ -0,0 +1,90 @@
+const assert = require('node:assert/strict');
+const http = require('node:http');
+const test = require('node:test');
+
+const { AgrarmonitorConnector, MemoryCookieStore } = require('../dist');
+
+const loginPage = `
+  <html>
+    <head><title>Anmeldung - AGRARMONITOR</title></head>
+    <body>
+      <form>
+        <input name="nonce" value="test-nonce" />
+        <button>Einloggen</button>
+      </form>
+    </body>
+  </html>
+`;
+
+function createServer() {
+  let loggedIn = false;
+  const requests = [];
+
+  const server = http.createServer((req, res) => {
+    requests.push({ method: req.method, url: req.url });
+
+    if (req.method === 'GET' && req.url === '/') {
+      res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8' });
+      res.end(loggedIn ? '<html><body>Mein AM</body></html>' : loginPage);
+      return;
+    }
+
+    if (req.method === 'POST' && req.url === '/login/api/login.php') {
+      let body = '';
+      req.on('data', chunk => {
+        body += chunk;
+      });
+      req.on('end', () => {
+        const parsed = JSON.parse(body);
+        assert.equal(req.headers['content-type'], 'application/json');
+        assert.equal(parsed.username, 'demo');
+        assert.equal(parsed.passwort, 'secret');
+        assert.equal(parsed.nonce, 'test-nonce');
+        assert.equal(parsed.ssoAction, '');
+        assert.equal(parsed.ssoReturn, '');
+
+        loggedIn = true;
+        res.writeHead(200, {
+          'Content-Type': 'application/json',
+          'Set-Cookie': 'agrar_session=test; Path=/',
+        });
+        res.end(JSON.stringify({ success: true }));
+      });
+      return;
+    }
+
+    res.writeHead(404);
+    res.end('not found');
+  });
+
+  return { server, requests };
+}
+
+test('autoRetry does not deadlock on login-internal requests', async t => {
+  const { server, requests } = createServer();
+
+  await new Promise(resolve => server.listen(0, '127.0.0.1', resolve));
+  t.after(() => new Promise(resolve => server.close(resolve)));
+
+  const address = server.address();
+  const baseUrl = `http://127.0.0.1:${address.port}`;
+
+  const connector = new AgrarmonitorConnector({
+    baseUrl,
+    username: 'demo',
+    password: 'secret',
+    cookieStore: new MemoryCookieStore(),
+  });
+
+  const timeout = new Promise((_, reject) => {
+    const timer = setTimeout(() => reject(new Error('Login deadlocked')), 2000);
+    timer.unref();
+  });
+
+  await Promise.race([connector.init(), timeout]);
+
+  const response = await Promise.race([connector.http.get('/'), timeout]);
+  assert.equal(response.status, 200);
+  assert.equal(requests.filter(request => request.url === '/login/api/login.php').length, 1);
+  assert.ok(requests.filter(request => request.method === 'GET' && request.url === '/').length >= 3);
+});