feat: OAuth authentication for AI providers#9
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Add foundational types for OAuth authentication: - OAuthTokens, OAuthFlowStatus, AuthMethod types - Discriminated ProviderConfig union (ProviderConfigApiKey | ProviderConfigOAuth) - OAUTH_CAPABILITIES map with endpoints, scopes, PKCE params for OpenAI/Google - OAuthError and OAuthTokenExpiredError classes OpenAI OAuth aligns with official docs: offline_access scope, id_token_add_organizations, codex_cli_simplified_flow params, and token exchange grant support. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
New OAuthService handles complete OAuth authentication: - PKCE flow with loopback HTTP server on random port - S256 code challenge method per RFC 7636 - OpenAI token exchange (ID token → API key via token-exchange grant) - Automatic token refresh scheduling (5 min before expiry) - XSS-safe callback HTML with proper escaping SettingsService extended with OAuth token CRUD: - getOAuthTokens, setOAuthTokens, deleteOAuthTokens - getAuthMethod, setAuthMethod - Encrypted storage via safeStorage - Backward-compatible with existing settings files Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adapters support dual authentication: - OpenAIAdapter: API key OR OAuth token with chatgpt-account-id header - GoogleAdapter: API key (x-goog-api-key) OR OAuth Bearer token - ProviderManager: handles discriminated config union, updateOAuthToken() New oauth.router with tRPC procedures: - startFlow, disconnect, getStatus, getCapabilities IPC layer updates: - Context instantiates OAuthService, restores OAuth on startup - Expired tokens refreshed immediately before provider configuration - Token refresh callback wired for automatic updates - Preload bridge exposes onOAuthStatus/removeOAuthListeners Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
New ProviderCard component: - OAuth sign-in button for supported providers (OpenAI, Google) - "Experimental" badge for unstable providers - Connected state shows email with disconnect button - API key notice for Anthropic (OAuth not supported) Redesigned SettingsDialog: - Provider cards with OAuth as primary auth method - Collapsible "Advanced: Use API Keys" section - OAuth status listener for real-time flow updates settingsStore extended with OAuth state: - oauthStatus per provider (connected, email, authMethod) - oauthFlowStatus (idle, pending, success, error) - startOAuthFlow, disconnectOAuth, updateOAuthFlowStatus actions Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
OpenAI OAuth requires specific redirect configuration: - Fixed port 1455 (not random) - Callback path /auth/callback (not /callback) - localhost hostname (not 127.0.0.1) Added redirectPort and callbackPath to OAUTH_CAPABILITIES. Updated OAuthService to use provider-specific settings. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Replace API key inputs as the primary auth method with OAuth sign-in buttons. Users authenticate with their existing AI provider subscriptions instead of paying per-token API pricing.
Provider Support
auth.openai.com. Uses ChatGPT Plus/Pro subscription.Changes
New Files
src/main/services/OAuthService.ts- PKCE flow, loopback server, token exchange, refreshsrc/main/ipc/oauth.router.ts- tRPC routes: startFlow, disconnect, getStatus, getCapabilitiessrc/renderer/features/settings/ProviderCard.tsx- Per-provider card with OAuth buttonKey Features
Technical Details
offline_accessscope,id_token_add_organizations,codex_cli_simplified_flowparamsTest Plan
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