Checkpoint: Connexion Microsoft 365 (Azure AD OAuth2) : migration DB azureAdId, helpers backend, route callback, bouton Login, page AzureCallback, tests OK

2026-07-07 10:29:03 -04:00
parent 2d0de2a30d
commit 465e33c3b8
16 changed files with 1529 additions and 5 deletions
--- a/client/public/manus/version.json
+++ b/client/public/manus/version.json
@@ -1,4 +1,4 @@
 {
-  "version": "aa6b358c",
-  "timestamp": 1783341062192
+  "version": "f8f8affc",
+  "timestamp": 1783434543359
 }
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -14,6 +14,7 @@ import UsersAdmin from "./pages/UsersAdmin";
 import ImportLogs from "./pages/ImportLogs";
 import BoiteAIdees from "@/pages/BoiteAIdees";
 import RssFeeds from "@/pages/RssFeeds";
+import AzureCallback from "@/pages/AzureCallback";
 import { Loader2 } from "lucide-react";

 // ─── Guard d'authentification ─────────────────────────────────────────────────
@@ -125,6 +126,7 @@ function Router() {
  return (
    <Switch>
      <Route path="/login" component={Login} />
+      <Route path="/azure-callback" component={AzureCallback} />
      <Route path="/">
        <Redirect to="/veille" />
      </Route>
--- a/client/src/contexts/LocalAuthContext.tsx
+++ b/client/src/contexts/LocalAuthContext.tsx
@@ -14,6 +14,7 @@ interface LocalAuthContextType {
  loading: boolean;
  login: (identifier: string, password: string) => Promise<void>;
  logout: () => Promise<void>;
+  hydrateUser: (user: LocalUser) => void;
  isAuthenticated: boolean;
 }

@@ -57,6 +58,11 @@ export function LocalAuthProvider({ children }: { children: ReactNode }) {
    localStorage.removeItem(LOCAL_USER_KEY);
  };

+  const hydrateUser = (u: LocalUser) => {
+    setUser(u);
+    localStorage.setItem(LOCAL_USER_KEY, JSON.stringify(u));
+  };
+
  return (
    <LocalAuthContext.Provider
      value={{
@@ -64,6 +70,7 @@ export function LocalAuthProvider({ children }: { children: ReactNode }) {
        loading,
        login,
        logout,
+        hydrateUser,
        isAuthenticated: !!user,
      }}
    >
--- a/client/src/pages/AzureCallback.tsx
+++ b/client/src/pages/AzureCallback.tsx
@@ -0,0 +1,40 @@
+import { useEffect } from "react";
+import { useLocation } from "wouter";
+import { useLocalAuth } from "@/contexts/LocalAuthContext";
+import { Loader2 } from "lucide-react";
+
+/**
+ * Page intermédiaire appelée après le callback Azure AD.
+ * Elle récupère les infos user depuis le query param, hydrate LocalAuthContext
+ * (localStorage + state), puis redirige vers /veille.
+ */
+export default function AzureCallback() {
+  const [, navigate] = useLocation();
+  const { hydrateUser } = useLocalAuth();
+
+  useEffect(() => {
+    const params = new URLSearchParams(window.location.search);
+    const userParam = params.get("user");
+
+    if (userParam) {
+      try {
+        const user = JSON.parse(decodeURIComponent(userParam));
+        hydrateUser(user);
+        navigate("/veille");
+      } catch {
+        navigate("/login?error=" + encodeURIComponent("Erreur lors de la connexion Microsoft"));
+      }
+    } else {
+      navigate("/login?error=" + encodeURIComponent("Réponse Azure invalide"));
+    }
+  }, []);
+
+  return (
+    <div className="min-h-screen bg-background flex items-center justify-center">
+      <div className="flex flex-col items-center gap-4 text-muted-foreground">
+        <Loader2 className="h-8 w-8 animate-spin" />
+        <p className="text-sm">Connexion Microsoft en cours…</p>
+      </div>
+    </div>
+  );
+}
--- a/client/src/pages/Login.tsx
+++ b/client/src/pages/Login.tsx
@@ -1,6 +1,7 @@
-import { useState } from "react";
+import { useState, useEffect } from "react";
 import { useLocation } from "wouter";
 import { useLocalAuth } from "@/contexts/LocalAuthContext";
+import { trpc } from "@/lib/trpc";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
@@ -11,14 +12,40 @@ import { toast } from "sonner";
 const ITINOVA_LOGO = "https://d2xsxph8kpxj0f.cloudfront.net/310519663070627318/VepzDyqR8YkJNcqpZ729Bw/itinova-logo_8e653b24.jpg";
 const SANTINOVA_LOGO = "https://d2xsxph8kpxj0f.cloudfront.net/310519663070627318/VepzDyqR8YkJNcqpZ729Bw/santinova-logo_b8de54c4.webp";

+function MicrosoftLogo() {
+  return (
+    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 21 21" width="18" height="18">
+      <rect x="1" y="1" width="9" height="9" fill="#f25022"/>
+      <rect x="11" y="1" width="9" height="9" fill="#7fba00"/>
+      <rect x="1" y="11" width="9" height="9" fill="#00a4ef"/>
+      <rect x="11" y="11" width="9" height="9" fill="#ffb900"/>
+    </svg>
+  );
+}
+
 export default function Login() {
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [showPassword, setShowPassword] = useState(false);
  const [loading, setLoading] = useState(false);
+  const [azureLoading, setAzureLoading] = useState(false);
  const { login } = useLocalAuth();
  const [, navigate] = useLocation();

+  const azureAvailableQuery = trpc.auth.isAzureAdAvailable.useQuery();
+  const azureLoginQuery = trpc.auth.getAzureLoginUrl.useQuery(undefined, { enabled: false, retry: false });
+  const azureAvailable = azureAvailableQuery.data?.available ?? false;
+
+  // Afficher les erreurs depuis query param (callback Azure)
+  useEffect(() => {
+    const params = new URLSearchParams(window.location.search);
+    const error = params.get("error");
+    if (error) {
+      toast.error(decodeURIComponent(error));
+      window.history.replaceState({}, "", "/login");
+    }
+  }, []);
+
  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    if (!email || !password) return;
@@ -34,6 +61,22 @@ export default function Login() {
    }
  };

+  const handleMicrosoftLogin = async () => {
+    setAzureLoading(true);
+    try {
+      const result = await azureLoginQuery.refetch();
+      if (result.data?.url) {
+        window.location.href = result.data.url;
+      } else {
+        toast.error("Impossible d'obtenir l'URL de connexion Microsoft");
+        setAzureLoading(false);
+      }
+    } catch {
+      toast.error("Erreur lors de la connexion Microsoft");
+      setAzureLoading(false);
+    }
+  };
+
  return (
    <div className="min-h-screen bg-background flex items-center justify-center p-4">
      {/* Décoration de fond */}
@@ -67,6 +110,34 @@ export default function Login() {
            </CardDescription>
          </CardHeader>
          <CardContent>
+            {/* Bouton Microsoft 365 — affiché uniquement si Azure AD est configuré */}
+            {azureAvailable && (
+              <>
+                <Button
+                  type="button"
+                  variant="outline"
+                  className="w-full flex items-center gap-3 border-slate-300 bg-white hover:bg-slate-50 text-slate-700 font-medium mb-4"
+                  onClick={handleMicrosoftLogin}
+                  disabled={azureLoading}
+                >
+                  {azureLoading ? (
+                    <Loader2 className="h-4 w-4 animate-spin" />
+                  ) : (
+                    <MicrosoftLogo />
+                  )}
+                  Se connecter avec Microsoft 365
+                </Button>
+                <div className="relative mb-4">
+                  <div className="absolute inset-0 flex items-center">
+                    <span className="w-full border-t border-slate-200" />
+                  </div>
+                  <div className="relative flex justify-center text-xs uppercase">
+                    <span className="bg-card px-2 text-muted-foreground">ou</span>
+                  </div>
+                </div>
+              </>
+            )}
+
            <form onSubmit={handleSubmit} className="space-y-4">
              <div className="space-y-2">
                <Label htmlFor="email">Identifiant ou e-mail</Label>
--- a/drizzle/0011_sharp_gambit.sql
+++ b/drizzle/0011_sharp_gambit.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `local_users` ADD `azureAdId` varchar(128);--> statement-breakpoint
+ALTER TABLE `local_users` ADD CONSTRAINT `local_users_azureAdId_unique` UNIQUE(`azureAdId`);
--- a/drizzle/meta/0011_snapshot.json
+++ b/drizzle/meta/0011_snapshot.json
--- a/drizzle/meta/_journal.json
+++ b/drizzle/meta/_journal.json
@@ -78,6 +78,13 @@
      "when": 1782978530081,
      "tag": "0010_graceful_nova",
      "breakpoints": true
+    },
+    {
+      "idx": 11,
+      "version": "5",
+      "when": 1783432258494,
+      "tag": "0011_sharp_gambit",
+      "breakpoints": true
    }
  ]
 }
--- a/drizzle/schema.ts
+++ b/drizzle/schema.ts
@@ -36,6 +36,7 @@ export const localUsers = mysqlTable("local_users", {
  passwordHash: varchar("passwordHash", { length: 255 }).notNull(),
  role: mysqlEnum("role", ["admin", "user", "readonly"]).default("user").notNull(),
  isActive: boolean("isActive").default(true).notNull(),
+  azureAdId: varchar("azureAdId", { length: 128 }).unique(),
  createdAt: timestamp("createdAt").defaultNow().notNull(),
  updatedAt: timestamp("updatedAt").defaultNow().onUpdateNow().notNull(),
  lastSignedIn: timestamp("lastSignedIn"),
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
  "dependencies": {
    "@aws-sdk/client-s3": "^3.693.0",
    "@aws-sdk/s3-request-presigner": "^3.693.0",
+    "@azure/msal-node": "^5.3.1",
    "@hookform/resolvers": "^5.2.2",
    "@radix-ui/react-accordion": "^1.2.12",
    "@radix-ui/react-alert-dialog": "^1.1.15",
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -22,6 +22,9 @@ importers:
      '@aws-sdk/s3-request-presigner':
        specifier: ^3.693.0
        version: 3.907.0
+      '@azure/msal-node':
+        specifier: ^5.3.1
+        version: 5.3.1
      '@hookform/resolvers':
        specifier: ^5.2.2
        version: 5.2.2(react-hook-form@7.64.0(react@19.2.1))
@@ -477,6 +480,14 @@ packages:
    resolution: {integrity: sha512-ORHRQ2tmvnBXc8t/X9Z8IcSbBA4xTLKuN873FopzklHMeqBst7YG0d+AX97inkvDX+NChYtSr+qGfcqGFaI8Zw==}
    engines: {node: '>=18.0.0'}

+  '@azure/msal-common@16.11.0':
+    resolution: {integrity: sha512-UikJOtMwkFpZNzTH6Dqk8UTUPbow15zH3e0UjGYZy69lYENW/S05gMLhbxI2eonz66uALhIljvhsSMEb6+O30g==}
+    engines: {node: '>=0.8.0'}
+
+  '@azure/msal-node@5.3.1':
+    resolution: {integrity: sha512-sqqv3L1UOI4KDXonNtbxPYUgbSWVXqxvmmb6BUw9n4P/UXgG+cVur3dLWQN4Cz7qQ+UJROCCxMXlksm7gIq0Sw==}
+    engines: {node: '>=20'}
+
  '@babel/code-frame@7.27.1':
    resolution: {integrity: sha512-cjQ7ZlQ0Mv3b47hABuTevyTuYN4i+loJKGeV9flcCgIK37cCXRh+L1bd3iBHlynerhQ7BhCkn2BPbQUL+rGqFg==}
    engines: {node: '>=6.9.0'}
@@ -2481,6 +2492,9 @@ packages:
    engines: {node: ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7}
    hasBin: true

+  buffer-equal-constant-time@1.0.1:
+    resolution: {integrity: sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==}
+
  buffer-from@1.1.2:
    resolution: {integrity: sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==}

@@ -2968,6 +2982,9 @@ packages:
    resolution: {integrity: sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==}
    engines: {node: '>= 0.4'}

+  ecdsa-sig-formatter@1.0.11:
+    resolution: {integrity: sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==}
+
  ee-first@1.1.1:
    resolution: {integrity: sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==}

@@ -3336,6 +3353,16 @@ packages:
    engines: {node: '>=6'}
    hasBin: true

+  jsonwebtoken@9.0.3:
+    resolution: {integrity: sha512-MT/xP0CrubFRNLNKvxJ2BYfy53Zkm++5bX9dtuPbqAeQpTVe0MQTFhao8+Cp//EmJp244xt6Drw/GVEGCUj40g==}
+    engines: {node: '>=12', npm: '>=6'}
+
+  jwa@2.0.1:
+    resolution: {integrity: sha512-hRF04fqJIP8Abbkq5NKGN0Bbr3JxlQ+qhZufXVr0DvujKy93ZCbXZMHDL4EOtodSbCWxOqR8MS1tXA5hwqCXDg==}
+
+  jws@4.0.1:
+    resolution: {integrity: sha512-EKI/M/yqPncGUUh44xz0PxSidXFr/+r0pA70+gIYhjv+et7yxM+s29Y+VGDkovRofQem0fs7Uvf4+YmAdyRduA==}
+
  katex@0.16.25:
    resolution: {integrity: sha512-woHRUZ/iF23GBP1dkDQMh1QBad9dmr8/PAwNA54VrSOVYgI12MAcE14TqnDdQOdzyEonGzMepYnqBMYdsoAr8Q==}
    hasBin: true
@@ -3427,6 +3454,27 @@ packages:
  lodash-es@4.17.21:
    resolution: {integrity: sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==}

+  lodash.includes@4.3.0:
+    resolution: {integrity: sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w==}
+
+  lodash.isboolean@3.0.3:
+    resolution: {integrity: sha512-Bz5mupy2SVbPHURB98VAcw+aHh4vRV5IPNhILUCsOzRmsTmSQ17jIuqopAentWoehktxGd9e/hbIXq980/1QJg==}
+
+  lodash.isinteger@4.0.4:
+    resolution: {integrity: sha512-DBwtEWN2caHQ9/imiNeEA5ys1JoRtRfY3d7V9wkqtbycnAmTvRRmbHKDV4a0EYc678/dia0jrte4tjYwVBaZUA==}
+
+  lodash.isnumber@3.0.3:
+    resolution: {integrity: sha512-QYqzpfwO3/CWf3XP+Z+tkQsfaLL/EnUlXWVkIk5FUPc4sBdTehEqZONuyRt2P67PXAk+NXmTBcc97zw9t1FQrw==}
+
+  lodash.isplainobject@4.0.6:
+    resolution: {integrity: sha512-oSXzaWypCMHkPC3NvBEaPHf0KsA5mvPrOPgQWDsbg8n7orZ290M0BmC/jgRZ4vcJ6DTAhjrsSYgdsW/F+MFOBA==}
+
+  lodash.isstring@4.0.1:
+    resolution: {integrity: sha512-0wJxfxH1wgO3GrbuP+dTTk7op+6L41QCXbGINEmD+ny/G/eCqGzxyCsh7159S+mgDDcoarnBw6PC1PS5+wUGgw==}
+
+  lodash.once@4.1.1:
+    resolution: {integrity: sha512-Sb487aTOCr9drQVL8pIxOzVhafOjZN9UU54hiN8PU3uAiSV7lx1yYNpbNmex2PK6dSJoNTSJUUswT651yww3Mg==}
+
  lodash@4.17.21:
    resolution: {integrity: sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==}

@@ -4001,6 +4049,11 @@ packages:
    resolution: {integrity: sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==}
    hasBin: true

+  semver@7.8.5:
+    resolution: {integrity: sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==}
+    engines: {node: '>=10'}
+    hasBin: true
+
  send@0.19.0:
    resolution: {integrity: sha512-dW41u5VfLXu8SJh5bwRmyYUbAoSB3c9uQh6L8h/KtsFREPWpbX1lrljJo186Jc4nmci/sGUZ9a0a0J2zgfq2hw==}
    engines: {node: '>= 0.8.0'}
@@ -4949,6 +5002,13 @@ snapshots:

  '@aws/lambda-invoke-store@0.0.1': {}

+  '@azure/msal-common@16.11.0': {}
+
+  '@azure/msal-node@5.3.1':
+    dependencies:
+      '@azure/msal-common': 16.11.0
+      jsonwebtoken: 9.0.3
+
  '@babel/code-frame@7.27.1':
    dependencies:
      '@babel/helper-validator-identifier': 7.27.1
@@ -6953,6 +7013,8 @@ snapshots:
      node-releases: 2.0.23
      update-browserslist-db: 1.1.3(browserslist@4.26.3)

+  buffer-equal-constant-time@1.0.1: {}
+
  buffer-from@1.1.2: {}

  busboy@1.6.0:
@@ -7347,6 +7409,10 @@ snapshots:
      es-errors: 1.3.0
      gopd: 1.2.0

+  ecdsa-sig-formatter@1.0.11:
+    dependencies:
+      safe-buffer: 5.2.1
+
  ee-first@1.1.1: {}

  electron-to-chromium@1.5.230: {}
@@ -7837,6 +7903,30 @@ snapshots:

  json5@2.2.3: {}

+  jsonwebtoken@9.0.3:
+    dependencies:
+      jws: 4.0.1
+      lodash.includes: 4.3.0
+      lodash.isboolean: 3.0.3
+      lodash.isinteger: 4.0.4
+      lodash.isnumber: 3.0.3
+      lodash.isplainobject: 4.0.6
+      lodash.isstring: 4.0.1
+      lodash.once: 4.1.1
+      ms: 2.1.3
+      semver: 7.8.5
+
+  jwa@2.0.1:
+    dependencies:
+      buffer-equal-constant-time: 1.0.1
+      ecdsa-sig-formatter: 1.0.11
+      safe-buffer: 5.2.1
+
+  jws@4.0.1:
+    dependencies:
+      jwa: 2.0.1
+      safe-buffer: 5.2.1
+
  katex@0.16.25:
    dependencies:
      commander: 8.3.0
@@ -7910,6 +8000,20 @@ snapshots:

  lodash-es@4.17.21: {}

+  lodash.includes@4.3.0: {}
+
+  lodash.isboolean@3.0.3: {}
+
+  lodash.isinteger@4.0.4: {}
+
+  lodash.isnumber@3.0.3: {}
+
+  lodash.isplainobject@4.0.6: {}
+
+  lodash.isstring@4.0.1: {}
+
+  lodash.once@4.1.1: {}
+
  lodash@4.17.21: {}

  long@5.3.2: {}
@@ -8774,6 +8878,8 @@ snapshots:

  semver@6.3.1: {}

+  semver@7.8.5: {}
+
  send@0.19.0:
    dependencies:
      debug: 2.6.9
--- a/server/_core/index.ts
+++ b/server/_core/index.ts
@@ -11,8 +11,9 @@ import { serveStatic, setupVite } from "./vite";
 import { runFullImport } from "../importer";
 import uploadRoutes from "../uploadRoutes";
 import scheduledRoutes from "../scheduledRoutes";
-import { ensureAdminExists } from "../localAuth";
-import { getSetting, purgeOldArticles } from "../db";
+import { ensureAdminExists, generateLocalToken } from "../localAuth";
+import { isAzureAdConfigured, getAzureAuthUrl, handleAzureCallback } from "../azureAuth";
+import { getLocalUserByAzureAdId, getLocalUserByEmail, upsertLocalUserAzure, getSetting, purgeOldArticles } from "../db";
 import { runRssFetch } from "../rssEngine";

 function isPortAvailable(port: number): Promise<boolean> {
@@ -126,6 +127,87 @@ async function startServer() {
  registerOAuthRoutes(app);
  app.use(uploadRoutes);
  app.use(scheduledRoutes);
+
+  // ─── Azure AD OAuth2 callback ─────────────────────────────────────────────
+  app.get("/api/auth/azure/callback", async (req, res) => {
+    const code = req.query.code as string | undefined;
+    const error = req.query.error as string | undefined;
+
+    if (error) {
+      res.redirect(`/login?error=${encodeURIComponent("Connexion Microsoft refus\u00e9e")}`);
+      return;
+    }
+    if (!code) {
+      res.redirect("/login?error=" + encodeURIComponent("Code OAuth manquant"));
+      return;
+    }
+    if (!isAzureAdConfigured()) {
+      res.redirect("/login?error=" + encodeURIComponent("Azure AD non configur\u00e9"));
+      return;
+    }
+
+    try {
+      const azureUser = await handleAzureCallback(code);
+
+      // Chercher par azureAdId puis par email
+      let user = await getLocalUserByAzureAdId(azureUser.azureAdId);
+      if (!user) user = await getLocalUserByEmail(azureUser.email);
+
+      if (!user) {
+        // Cr\u00e9er automatiquement avec r\u00f4le "user"
+        await upsertLocalUserAzure({
+          email: azureUser.email,
+          name: azureUser.name,
+          azureAdId: azureUser.azureAdId,
+          role: "user",
+        });
+        user = await getLocalUserByEmail(azureUser.email);
+      } else if (!user.azureAdId) {
+        // Lier le compte existant \u00e0 Azure AD
+        await upsertLocalUserAzure({
+          email: user.email ?? azureUser.email,
+          azureAdId: azureUser.azureAdId,
+        });
+      }
+
+      if (!user || !user.isActive) {
+        res.redirect("/login?error=" + encodeURIComponent("Compte inactif ou introuvable"));
+        return;
+      }
+
+      // Mettre \u00e0 jour lastSignedIn
+      const db = await (await import("../db")).getDb();
+      if (db) {
+        const { localUsers } = await import("../../drizzle/schema");
+        const { eq } = await import("drizzle-orm");
+        await db.update(localUsers).set({ lastSignedIn: new Date() }).where(eq(localUsers.id, user.id));
+      }
+
+      // G\u00e9n\u00e9rer le token JWT local et le stocker dans le cookie
+      const token = await generateLocalToken(user.id, user.role);
+      res.cookie("veille_local_auth", token, {
+        httpOnly: true,
+        secure: process.env.NODE_ENV === "production",
+        sameSite: "lax",
+        path: "/",
+        maxAge: 7 * 24 * 60 * 60 * 1000,
+      });
+
+      // Retourner les infos user en JSON pour que le frontend hydrate LocalAuthContext
+      const userPayload = JSON.stringify({
+        id: user.id,
+        name: user.name,
+        username: user.username ?? null,
+        email: user.email ?? null,
+        role: user.role,
+      });
+      // Rediriger vers une page de callback qui hydrate le contexte
+      res.redirect(`/azure-callback?user=${encodeURIComponent(userPayload)}`);
+    } catch (err: any) {
+      console.error("[Azure AD] Erreur callback:", err.message);
+      res.redirect("/login?error=" + encodeURIComponent("Erreur d'authentification Microsoft"));
+    }
+  });
  app.use(
    "/api/trpc",
    createExpressMiddleware({ router: appRouter, createContext })
--- a/server/azureAuth.test.ts
+++ b/server/azureAuth.test.ts
@@ -0,0 +1,21 @@
+import { describe, it, expect } from "vitest";
+import { isAzureAdConfigured, getAzureAuthUrl } from "./azureAuth";
+
+describe("Azure AD configuration", () => {
+  it("should detect Azure AD as configured when env vars are set", () => {
+    // Les variables sont injectées via webdev_request_secrets
+    const configured = isAzureAdConfigured();
+    expect(configured).toBe(true);
+  });
+
+  it("should generate a valid Azure AD auth URL", async () => {
+    if (!isAzureAdConfigured()) {
+      console.warn("Azure AD not configured, skipping URL test");
+      return;
+    }
+    const url = await getAzureAuthUrl();
+    expect(url).toContain("login.microsoftonline.com");
+    expect(url).toContain("oauth2/v2.0/authorize");
+    expect(url).toContain("f496da82-e18f-4567-bf05-8551ae6669b2"); // client_id
+  });
+});
--- a/server/azureAuth.ts
+++ b/server/azureAuth.ts
@@ -0,0 +1,76 @@
+import { ConfidentialClientApplication } from "@azure/msal-node";
+
+// ─── Azure AD Authentication ──────────────────────────────────────────────────
+
+let msalClient: ConfidentialClientApplication | null = null;
+
+/**
+ * Vérifie que les 3 variables d'environnement Azure AD sont présentes
+ */
+export function isAzureAdConfigured(): boolean {
+  return !!(
+    process.env.AZURE_AD_TENANT_ID &&
+    process.env.AZURE_AD_CLIENT_ID &&
+    process.env.AZURE_AD_CLIENT_SECRET
+  );
+}
+
+/**
+ * Instancie le client MSAL (lazy, singleton)
+ */
+function getMsalClient(): ConfidentialClientApplication {
+  if (!isAzureAdConfigured()) {
+    throw new Error("Azure AD is not configured");
+  }
+  if (!msalClient) {
+    msalClient = new ConfidentialClientApplication({
+      auth: {
+        clientId: process.env.AZURE_AD_CLIENT_ID!,
+        authority: `https://login.microsoftonline.com/${process.env.AZURE_AD_TENANT_ID}`,
+        clientSecret: process.env.AZURE_AD_CLIENT_SECRET!,
+      },
+    });
+  }
+  return msalClient;
+}
+
+/**
+ * Retourne l'URL de redirection Azure AD pour l'utilisateur
+ */
+export async function getAzureAuthUrl(): Promise<string> {
+  const client = getMsalClient();
+  const redirectUri =
+    process.env.AZURE_AD_REDIRECT_URI ||
+    "http://localhost:3000/api/auth/azure/callback";
+  return client.getAuthCodeUrl({
+    scopes: ["user.read"],
+    redirectUri,
+  });
+}
+
+/**
+ * Échange le code OAuth contre un token et retourne les infos utilisateur.
+ * azureAdId = homeAccountId = "{objectId}.{tenantId}" (~73 caractères)
+ */
+export async function handleAzureCallback(code: string) {
+  const client = getMsalClient();
+  const redirectUri =
+    process.env.AZURE_AD_REDIRECT_URI ||
+    "http://localhost:3000/api/auth/azure/callback";
+
+  const response = await client.acquireTokenByCode({
+    code,
+    scopes: ["user.read"],
+    redirectUri,
+  });
+
+  if (!response || !response.account) {
+    throw new Error("Failed to acquire token from Azure AD");
+  }
+
+  return {
+    azureAdId: response.account.homeAccountId, // "{objectId}.{tenantId}"
+    email: response.account.username,           // UPN (ex: user@domain.com)
+    name: response.account.name || response.account.username,
+  };
+}
--- a/server/db.ts
+++ b/server/db.ts
@@ -116,6 +116,51 @@ export async function deleteLocalUser(id: number) {
  await db.delete(localUsers).where(eq(localUsers.id, id));
 }

+export async function getLocalUserByAzureAdId(azureAdId: string) {
+  const db = await getDb();
+  if (!db) return null;
+  const results = await db.select().from(localUsers).where(eq(localUsers.azureAdId, azureAdId)).limit(1);
+  return results[0] ?? null;
+}
+
+export async function getLocalUserByEmail(email: string) {
+  const db = await getDb();
+  if (!db) return null;
+  const results = await db.select().from(localUsers).where(eq(localUsers.email, email)).limit(1);
+  return results[0] ?? null;
+}
+
+export async function upsertLocalUserAzure(data: {
+  email: string;
+  name?: string;
+  azureAdId: string;
+  role?: "admin" | "user" | "readonly";
+}) {
+  const db = await getDb();
+  if (!db) throw new Error("DB unavailable");
+  // Chercher si l'utilisateur existe déjà par email
+  const existing = await getLocalUserByEmail(data.email);
+  if (existing) {
+    // Lier le compte existant à Azure AD
+    await db.update(localUsers)
+      .set({ azureAdId: data.azureAdId, ...(data.name && { name: data.name }) })
+      .where(eq(localUsers.id, existing.id));
+    return existing.id;
+  } else {
+    // Créer un nouveau compte (sans mot de passe — connexion Azure uniquement)
+    const result = await db.insert(localUsers).values({
+      name: data.name ?? data.email,
+      username: data.email,
+      email: data.email,
+      passwordHash: "", // Pas de mot de passe local
+      role: data.role ?? "user",
+      isActive: true,
+      azureAdId: data.azureAdId,
+    });
+    return (result as any)[0]?.insertId ?? null;
+  }
+}
+
 // ─── Veille Items ─────────────────────────────────────────────────────────────

 export interface VeilleFilters {
--- a/server/routers.ts
+++ b/server/routers.ts
@@ -35,6 +35,7 @@ import {
 import { importVeille, importAAP, runFullImport, getImportConfig } from "./importer";
 import { scheduleDailyImport } from "./_core/index";
 import { loginLocalUser, hashPassword, ensureAdminExists } from "./localAuth";
+import { isAzureAdConfigured, getAzureAuthUrl } from "./azureAuth";
 import { classifyArticle } from "./aiClassifier";
 import { getDb } from "./db";
 import { veilleItems, aapItems, articleReads, processedDedupKeys } from "../drizzle/schema";
@@ -80,6 +81,17 @@ export const appRouter = router({
      ctx.res.clearCookie("veille_local_auth", { ...cookieOptions, maxAge: -1 });
      return { success: true };
    }),
+    // Azure AD
+    isAzureAdAvailable: publicProcedure.query(() => {
+      return { available: isAzureAdConfigured() };
+    }),
+    getAzureLoginUrl: publicProcedure.query(async () => {
+      if (!isAzureAdConfigured()) {
+        throw new TRPCError({ code: "BAD_REQUEST", message: "Azure AD non configur\u00e9" });
+      }
+      const url = await getAzureAuthUrl();
+      return { url };
+    }),
  }),

  // ─── Veille ─────────────────────────────────────────────────────────────────