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Initial implementation #8
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| .vscode/ | ||
| cov_profile/ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| { | ||
| "importMap": "./import_map.json", | ||
| "compilerOptions": { | ||
| "exactOptionalPropertyTypes": true, | ||
| "lib": ["deno.ns", "dom"] | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| { | ||
| "imports": { | ||
| "/": "./", | ||
| "./": "./", | ||
| "octokit": "https://cdn.skypack.dev/octokit?dts", | ||
| "@octokit/types": "https://esm.sh/@octokit/types@6.34.0", | ||
| "@octokit/auth-oauth-user": "https://esm.sh/@octokit/auth-oauth-user@1.3.0", | ||
| "@octokit/oauth-authorization-url": "https://esm.sh/@octokit/oauth-authorization-url@4.3.3", | ||
| "std/": "https://deno.land/std@0.143.0/" | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| import { endpoints } from "./endpoints.ts"; | ||
| import { fetchOAuthApp } from "./fetch-oauth-app.ts"; | ||
| import type { | ||
| Auth, | ||
| AuthenticatorMethods, | ||
| AuthenticatorState, | ||
| ClientTypes, | ||
| OAuthAuthorizationUrlOptions, | ||
| } from "./types.ts"; | ||
| import { oauthAuthorizationUrl } from "@octokit/oauth-authorization-url"; | ||
|
|
||
| export const auth = < | ||
| ClientType extends ClientTypes, | ||
| ExpirationEnabled extends boolean, | ||
| >( | ||
| state: AuthenticatorState<ClientType, ExpirationEnabled>, | ||
| ) => { | ||
| type Command = AuthenticatorMethods<ClientType, ExpirationEnabled>; | ||
| const authStore = state.authStore || undefined; | ||
| const stateStore = state.stateStore || undefined; | ||
|
|
||
| const fetchAuth = async ( | ||
| type: keyof typeof endpoints, | ||
| token: string | null, | ||
| body: Record<string, unknown> | null, | ||
| ) => { | ||
| let auth = (await fetchOAuthApp(state, type, token, body)) | ||
| ?.authentication || null; | ||
| if (auth) auth = { ...(state.auth || {}), ...auth }; | ||
| return await setAuth(auth); | ||
| }; | ||
|
|
||
| const setAuth = async ( | ||
| auth: Auth<ClientType, ExpirationEnabled> | null = null, | ||
| ) => { | ||
| await authStore?.set(auth); | ||
| return (state.auth = auth); | ||
| }; | ||
|
|
||
| return async function auth( | ||
| command: Command = { type: "getToken" }, | ||
| ): Promise<Auth<ClientType, ExpirationEnabled> | null> { | ||
| const { type, ...commandOptions } = command; | ||
|
|
||
| const url = new URL(state.location.href); | ||
| const code = url.searchParams.get("code"); | ||
| const newState = url.searchParams.get("state"); | ||
|
|
||
| switch (type) { | ||
| case "signIn": { | ||
| await setAuth(); // clear local auth before redirecting | ||
| const newState = Math.random().toString(36).substring(2); | ||
| stateStore?.set(newState); | ||
| const redirectUrl = oauthAuthorizationUrl<ClientType>({ | ||
| clientType: state.clientType, | ||
| clientId: state.clientId, | ||
| redirectUrl: state.location.href, | ||
| state: newState, | ||
| ...commandOptions, | ||
| } as OAuthAuthorizationUrlOptions<ClientType>).url; | ||
| state.location.href = redirectUrl; | ||
| return null; | ||
| } | ||
|
|
||
| case "getToken": { | ||
| if (!code || !newState) { | ||
| state.auth ||= (await authStore?.get()) || null; | ||
| if (!state.auth) return null; | ||
| if ( | ||
| // @ts-ignore better than a one-time assertion function | ||
| !state.auth.expiresAt || new Date(state.auth.expiresAt) > new Date() | ||
| ) { | ||
| return state.auth; | ||
| } | ||
| return await auth({ type: "renewToken" } as Command); | ||
| } | ||
| } | ||
|
|
||
| /* falls through */ | ||
|
|
||
| case "createToken": { | ||
| if (!code || !newState) { | ||
| throw Error('Both "code" & "state" parameters are required.'); | ||
| } | ||
| url.searchParams.delete("code"); | ||
| url.searchParams.delete("state"); | ||
| const redirectUrl = url.href; | ||
| // @ts-ignore mock `window.history` in tests | ||
| window.history.replaceState({}, "", redirectUrl); | ||
| const oldState = (await stateStore?.get()); | ||
| await stateStore?.set(null); | ||
| if (stateStore && (newState != oldState)) { | ||
| throw Error("State mismatch."); | ||
| } | ||
| return await fetchAuth("createToken", null, { | ||
| state: newState, // TODO: this is unnecessary, update oauth-app | ||
| code, | ||
| redirectUrl, | ||
| }); | ||
| } | ||
|
|
||
| case "checkToken": | ||
| case "createScopedToken": | ||
| case "resetToken": | ||
| case "renewToken": | ||
| case "deleteToken": | ||
| case "deleteAuthorization": { | ||
| let body: Record<string, unknown> | null = null; | ||
| if (["POST", "PUT", "PATCH"].includes(endpoints[type]?.[0])) { | ||
| const { type: _, ..._payload } = command as Record<string, unknown>; | ||
| body = _payload; | ||
| } | ||
| if (type === "deleteToken" && command.offline) return await setAuth(); | ||
| if (type === "renewToken") { | ||
| if (state.auth) { | ||
| const auth = state.auth as Auth<ClientType, true>; | ||
| const renewableUntil = new Date(auth.refreshTokenExpiresAt); | ||
| if (new Date() > renewableUntil) return await setAuth(); | ||
| body!.refreshToken = auth.refreshToken; | ||
| } | ||
| } else state.auth = await auth(); | ||
| if (!state.auth) throw Error("Unauthorized."); | ||
| const { token } = state.auth; // TODO: does `renewToken` need token? | ||
| if (type.startsWith("delete")) await setAuth(); | ||
| return await fetchAuth(type, token, body); | ||
| } | ||
| } | ||
| }; | ||
| }; |
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please make sure to add
node_modulesUh oh!
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There will not be
node_modulesbecausenodeandnpmare not involved: instead of install dependencies, justdeno testordeno bundle.Please let me know if this is acceptable.