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1import {
2 ProviderSetupError,
3 type ChatGptReconnectProfile,
4 type ChatGptTransferredProfile,
5 type ProviderAuthRespondInput,
6 type ProviderAuthStartInput,
7 type ProviderAuthState,
8 type ProviderInstanceId,
9 type ProviderSessionId,
10} from "@t3tools/contracts";
11import * as Context from "effect/Context";
12import * as Effect from "effect/Effect";
13import * as Function from "effect/Function";
14import * as Layer from "effect/Layer";
15import * as Stream from "effect/Stream";
16import * as Semaphore from "effect/Semaphore";
17
18import * as ProviderSessionManager from "../orchestration-v2/ProviderSessionManager.ts";
19import * as ProjectionStore from "../orchestration-v2/ProjectionStore.ts";
20import * as ProviderInstanceRegistry from "./ProviderInstanceRegistry.ts";
21import type { ProviderAuthController } from "@t3tools/provider-core/server/auth";
22
23export type { ProviderAuthController } from "@t3tools/provider-core/server/auth";
24
25interface ProviderAuthTarget {
26 readonly instanceId: ProviderInstanceId;
27}
28
29export class ProviderAuthService extends Context.Service<
30 ProviderAuthService,
31 {
32 readonly reconnectProfile: (
33 input: ProviderAuthTarget & { methodId: string },
34 ) => Effect.Effect<ChatGptReconnectProfile | null, ProviderSetupError>;
35 readonly importProfile: (
36 input: ProviderAuthTarget & { profile: ChatGptTransferredProfile },
37 ) => Effect.Effect<ProviderAuthState, ProviderSetupError>;
38 readonly start: (
39 input: ProviderAuthStartInput,
40 ownerSessionId: string,
41 ) => Effect.Effect<ProviderAuthState, ProviderSetupError>;
42 readonly complete: (
43 input: ProviderAuthTarget & { readonly flowId: string; readonly callbackUrl: string },
44 ownerSessionId: string,
45 ) => Effect.Effect<ProviderAuthState, ProviderSetupError>;
46 readonly respond: (
47 input: ProviderAuthRespondInput,
48 ownerSessionId: string,
49 ) => Effect.Effect<ProviderAuthState, ProviderSetupError>;
50 readonly cancel: (
51 input: ProviderAuthTarget & { readonly flowId: string },
52 ownerSessionId: string,
53 ) => Effect.Effect<ProviderAuthState, ProviderSetupError>;
54 readonly removeMethod: (
55 input: ProviderAuthTarget & { readonly methodId: string },
56 ) => Effect.Effect<ProviderAuthState, ProviderSetupError>;
57 readonly logout: (
58 input: ProviderAuthTarget,
59 ) => Effect.Effect<ProviderAuthState, ProviderSetupError>;
60 readonly subscribe: (
61 input: ProviderAuthTarget,
62 ownerSessionId: string,
63 ) => Stream.Stream<ProviderAuthState, ProviderSetupError>;
64 readonly tryHandlePromptCommand: (
65 input: ProviderAuthTarget & { readonly text: string; readonly hasAttachments: boolean },
66 ) => Effect.Effect<boolean, ProviderSetupError>;
67 }
68>()("t3/provider/ProviderAuthService") {}
69
70export const makeProviderAuthService = Effect.gen(function* () {
71 const registry = yield* ProviderInstanceRegistry.ProviderInstanceRegistry;
72 const projections = yield* ProjectionStore.ProjectionStoreV2;
73 const providerSessions = yield* ProviderSessionManager.ProviderSessionManagerV2;
74 const credentialChanges = yield* Semaphore.make(1);
75
76 const getController = Effect.fn("ProviderAuthService.getController")(function* (
77 instanceId: ProviderInstanceId,
78 operation: string,
79 ) {
80 const instance = yield* registry.getInstance(instanceId);
81 if (!instance?.auth) {
82 return yield* new ProviderSetupError({
83 instanceId,
84 operation,
85 detail: instance
86 ? "This provider does not support sign-in in T3 Code."
87 : "This provider instance is no longer available.",
88 });
89 }
90 return instance.auth;
91 });
92
93 // Invalidate credentials using session bindings; model selection may already point to another provider.
94 const stopSessions = Effect.fn("ProviderAuthService.stopSessions")(function* (
95 instanceId: ProviderInstanceId,
96 binding: ProviderAuthController["credentialBinding"],
97 ) {
98 const failure = (detail: string) =>
99 new ProviderSetupError({ instanceId, operation: "stopSessions", detail });
100 const affectedIds = new Set([
101 instanceId,
102 ...(binding === undefined
103 ? []
104 : (yield* registry.listInstances)
105 .filter(
106 (instance) =>
107 instance.auth?.credentialBinding?.key === binding.key &&
108 instance.auth.credentialBinding.owner === binding.owner,
109 )
110 .map((instance) => instance.instanceId)),
111 ]);
112 const threadIds = yield* projections
113 .getRecoveryThreadIds("runtime")
114 .pipe(
115 Effect.mapError(() => failure("Could not read the provider's active sessions. Try again.")),
116 );
117 const released = new Set<ProviderSessionId>();
118 yield* Effect.forEach(
119 threadIds,
120 (threadId) =>
121 projections.getThreadRecords(threadId, ["providerSessions"]).pipe(
122 Effect.flatMap((projection) =>
123 Effect.forEach(
124 projection.providerSessions.filter(
125 (session) =>
126 affectedIds.has(session.providerInstanceId) &&
127 session.status !== "stopped" &&
128 session.status !== "error" &&
129 !released.has(session.id),
130 ),
131 (session) =>
132 Effect.gen(function* () {
133 if (session.providerInstanceId !== instanceId) {
134 const current = yield* registry.getInstance(session.providerInstanceId);
135 if (
136 !binding ||
137 current?.auth?.credentialBinding?.key !== binding.key ||
138 current.auth.credentialBinding.owner !== binding.owner
139 )
140 return;
141 }
142 yield* providerSessions
143 .release({
144 providerSessionId: session.id,
145 reason: "manual_shutdown",
146 detail: "Provider sign-in changed.",
147 })
148 .pipe(Effect.tap(() => Effect.sync(() => released.add(session.id))));
149 }),
150 { discard: true },
151 ),
152 ),
153 Effect.mapError(() =>
154 failure("Could not stop all sessions for this provider. Try again."),
155 ),
156 ),
157 { discard: true },
158 );
159 if (binding) {
160 yield* Effect.forEach(
161 (yield* registry.listInstances).filter(
162 (instance) =>
163 instance.instanceId !== instanceId &&
164 affectedIds.has(instance.instanceId) &&
165 instance.auth?.credentialBinding?.key === binding.key &&
166 instance.auth.credentialBinding.owner === binding.owner,
167 ),
168 (instance) => instance.auth?.invalidate ?? Effect.void,
169 { discard: true },
170 );
171 }
172 });
173
174 const checkSharedBinding = Effect.fnUntraced(function* (
175 instanceId: ProviderInstanceId,
176 operation: "start" | "logout" | "removeMethod",
177 auth: ProviderAuthController,
178 ) {
179 const binding = auth.credentialBinding;
180 if (!binding) return;
181 const instances = yield* registry.listInstances;
182 for (const instance of instances) {
183 if (
184 instance.instanceId !== instanceId &&
185 instance.auth?.credentialBinding?.key === binding.key &&
186 instance.auth.credentialBinding.owner === binding.owner &&
187 instance.auth.isChangingCredentials &&
188 (yield* instance.auth.isChangingCredentials)
189 ) {
190 return yield* new ProviderSetupError({
191 instanceId,
192 operation,
193 detail:
194 "Another provider instance is changing this shared sign-in. Finish or cancel it first.",
195 });
196 }
197 }
198 });
199
200 return ProviderAuthService.of({
201 reconnectProfile: Effect.fnUntraced(function* (input) {
202 const auth = yield* getController(input.instanceId, "export");
203 if (!auth.reconnectProfile)
204 return yield* new ProviderSetupError({
205 instanceId: input.instanceId,
206 operation: "export",
207 detail: "This provider does not support ChatGPT profile transfer.",
208 });
209 return yield* auth.reconnectProfile(input.methodId);
210 }),
211 importProfile: Effect.fn("ProviderAuthService.importProfile")(function (input) {
212 return credentialChanges.withPermit(
213 Effect.gen(function* () {
214 const auth = yield* getController(input.instanceId, "import");
215 yield* checkSharedBinding(input.instanceId, "start", auth);
216 if (!auth.importProfile)
217 return yield* new ProviderSetupError({
218 instanceId: input.instanceId,
219 operation: "import",
220 detail: "This provider does not support ChatGPT profile transfer.",
221 });
222 return yield* auth.importProfile(
223 input.profile,
224 stopSessions(input.instanceId, auth.credentialBinding),
225 );
226 }),
227 );
228 }),
229 start: Effect.fn("ProviderAuthService.start")(function* (input, ownerSessionId) {
230 return yield* credentialChanges.withPermit(
231 Effect.gen(function* () {
232 const auth = yield* getController(input.instanceId, "start");
233 yield* checkSharedBinding(input.instanceId, "start", auth);
234 return yield* auth.start(
235 ownerSessionId,
236 stopSessions(input.instanceId, auth.credentialBinding),
237 input.methodId,
238 input.returnUrl,
239 input.callbackMode,
240 );
241 }),
242 );
243 }),
244 respond: Effect.fn("ProviderAuthService.respond")(function* (input, ownerSessionId) {
245 const auth = yield* getController(input.instanceId, "respond");
246 if (!auth.respond) {
247 return yield* new ProviderSetupError({
248 instanceId: input.instanceId,
249 operation: "respond",
250 detail: "This provider does not accept this sign-in interaction.",
251 });
252 }
253 return yield* auth.respond(ownerSessionId, input);
254 }),
255 complete: Effect.fn("ProviderAuthService.complete")(function* (input, ownerSessionId) {
256 const auth = yield* getController(input.instanceId, "complete");
257 return yield* auth.complete(ownerSessionId, input);
258 }),
259 cancel: Effect.fn("ProviderAuthService.cancel")(function* (input, ownerSessionId) {
260 const auth = yield* getController(input.instanceId, "cancel");
261 return yield* auth.cancel(ownerSessionId, input.flowId);
262 }),
263 removeMethod: Effect.fn("ProviderAuthService.removeMethod")(function (input) {
264 return credentialChanges.withPermit(
265 Effect.gen(function* () {
266 const auth = yield* getController(input.instanceId, "removeMethod");
267 yield* checkSharedBinding(input.instanceId, "removeMethod", auth);
268 if (!auth.removeMethod)
269 return yield* new ProviderSetupError({
270 instanceId: input.instanceId,
271 operation: "removeMethod",
272 detail: "This provider does not support removing saved sign-in methods.",
273 });
274 return yield* auth.removeMethod(input.methodId);
275 }),
276 );
277 }),
278 logout: Effect.fn("ProviderAuthService.logout")(function* (input) {
279 return yield* credentialChanges.withPermit(
280 Effect.gen(function* () {
281 const auth = yield* getController(input.instanceId, "logout");
282 yield* checkSharedBinding(input.instanceId, "logout", auth);
283 return yield* auth.logout(stopSessions(input.instanceId, auth.credentialBinding));
284 }),
285 );
286 }),
287 subscribe: Function.flow(
288 Effect.fn("ProviderAuthService.subscribe")(function* (input, ownerSessionId) {
289 const changes = yield* registry.subscribeChanges;
290 const initial = yield* getController(input.instanceId, "subscribe");
291 return Stream.concat(
292 Stream.succeed(initial),
293 Stream.fromSubscription(changes).pipe(
294 Stream.mapEffect(() => getController(input.instanceId, "subscribe")),
295 ),
296 ).pipe(
297 Stream.changesWith((previous, next) => previous === next),
298 Stream.switchMap((auth) => auth.subscribe(ownerSessionId)),
299 );
300 }),
301 Stream.unwrap,
302 ),
303 tryHandlePromptCommand: Effect.fn("ProviderAuthService.tryHandlePromptCommand")(
304 function* (input) {
305 const instance = yield* registry.getInstance(input.instanceId);
306 if (!instance?.auth?.isLogoutPrompt?.(input.text, input.hasAttachments)) {
307 return false;
308 }
309 return yield* credentialChanges.withPermit(
310 Effect.gen(function* () {
311 const auth = yield* getController(input.instanceId, "logout");
312 if (!auth.isLogoutPrompt?.(input.text, input.hasAttachments)) return false;
313 yield* checkSharedBinding(input.instanceId, "logout", auth);
314 yield* auth.logout(stopSessions(input.instanceId, auth.credentialBinding));
315 return true;
316 }),
317 );
318 },
319 ),
320 });
321});
322
323export const layer = Layer.effect(ProviderAuthService, makeProviderAuthService);