Initial commit

src/app/api/setup/test-oidc/route.ts

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+/**
+ * Test OIDC Configuration Endpoint
+ * Documentation: documentation/features/audiobookshelf-integration.md
+ */
+
+import { NextRequest, NextResponse } from 'next/server';
+import { Issuer } from 'openid-client';
+
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const { issuerUrl, clientId, clientSecret } = body;
+
+    // Validate required fields
+    if (!issuerUrl || !clientId || !clientSecret) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: 'Issuer URL, Client ID, and Client Secret are required'
+        },
+        { status: 400 }
+      );
+    }
+
+    // Validate issuer URL format
+    try {
+      new URL(issuerUrl);
+    } catch {
+      return NextResponse.json(
+        {
+          success: false,
+          error: 'Invalid issuer URL format'
+        },
+        { status: 400 }
+      );
+    }
+
+    // Attempt OIDC discovery
+    const issuer = await Issuer.discover(issuerUrl);
+
+    // Validate that we got the necessary endpoints
+    if (!issuer.metadata.authorization_endpoint ||
+        !issuer.metadata.token_endpoint ||
+        !issuer.metadata.userinfo_endpoint) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: 'OIDC provider is missing required endpoints'
+        },
+        { status: 500 }
+      );
+    }
+
+    // Return success with discovered metadata
+    return NextResponse.json({
+      success: true,
+      issuer: {
+        issuer: issuer.issuer,
+        authorizationEndpoint: issuer.metadata.authorization_endpoint,
+        tokenEndpoint: issuer.metadata.token_endpoint,
+        userinfoEndpoint: issuer.metadata.userinfo_endpoint,
+        jwksUri: issuer.metadata.jwks_uri,
+        supportedScopes: issuer.metadata.scopes_supported || [],
+        supportedResponseTypes: issuer.metadata.response_types_supported || [],
+      },
+    });
+  } catch (error) {
+    console.error('[Test OIDC] Discovery failed:', error);
+
+    // Determine error message
+    let errorMessage = 'OIDC discovery failed';
+    if (error instanceof Error) {
+      errorMessage = error.message;
+
+      // Provide more helpful messages for common errors
+      if (errorMessage.includes('ENOTFOUND') || errorMessage.includes('ECONNREFUSED')) {
+        errorMessage = 'Cannot reach OIDC provider. Check the issuer URL and network connectivity.';
+      } else if (errorMessage.includes('404')) {
+        errorMessage = 'OIDC discovery endpoint not found. Verify the issuer URL is correct.';
+      } else if (errorMessage.includes('timeout')) {
+        errorMessage = 'Connection to OIDC provider timed out. Check the issuer URL.';
+      }
+    }
+
+    return NextResponse.json(
+      {
+        success: false,
+        error: errorMessage
+      },
+      { status: 500 }
+    );
+  }
+}