SEP-1036: URL Elicitation (#1105)

src/examples/client/simpleOAuthClientProvider.ts

@@ -0,0 +1,65 @@
+import { OAuthClientProvider } from '../../client/auth.js';
+import { OAuthClientInformationMixed, OAuthClientMetadata, OAuthTokens } from '../../shared/auth.js';
+
+/**
+ * In-memory OAuth client provider for demonstration purposes
+ * In production, you should persist tokens securely
+ */
+export class InMemoryOAuthClientProvider implements OAuthClientProvider {
+    private _clientInformation?: OAuthClientInformationMixed;
+    private _tokens?: OAuthTokens;
+    private _codeVerifier?: string;
+
+    constructor(
+        private readonly _redirectUrl: string | URL,
+        private readonly _clientMetadata: OAuthClientMetadata,
+        onRedirect?: (url: URL) => void
+    ) {
+        this._onRedirect =
+            onRedirect ||
+            (url => {
+                console.log(`Redirect to: ${url.toString()}`);
+            });
+    }
+
+    private _onRedirect: (url: URL) => void;
+
+    get redirectUrl(): string | URL {
+        return this._redirectUrl;
+    }
+
+    get clientMetadata(): OAuthClientMetadata {
+        return this._clientMetadata;
+    }
+
+    clientInformation(): OAuthClientInformationMixed | undefined {
+        return this._clientInformation;
+    }
+
+    saveClientInformation(clientInformation: OAuthClientInformationMixed): void {
+        this._clientInformation = clientInformation;
+    }
+
+    tokens(): OAuthTokens | undefined {
+        return this._tokens;
+    }
+
+    saveTokens(tokens: OAuthTokens): void {
+        this._tokens = tokens;
+    }
+
+    redirectToAuthorization(authorizationUrl: URL): void {
+        this._onRedirect(authorizationUrl);
+    }
+
+    saveCodeVerifier(codeVerifier: string): void {
+        this._codeVerifier = codeVerifier;
+    }
+
+    codeVerifier(): string {
+        if (!this._codeVerifier) {
+            throw new Error('No code verifier saved');
+        }
+        return this._codeVerifier;
+    }
+}