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refactor(routing): simplify and improve robustness (#2479)
Signed-off-by: Fernando Fernández <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,58 +1,75 @@ | ||
| import type { | ||
| RouteLocationNormalized, | ||
| RouteLocationPathRaw, | ||
| RouteLocationRaw | ||
| NavigationGuardReturn, | ||
| RouteLocationNormalized | ||
| } from 'vue-router'; | ||
| import type { RouteNamedMap } from 'vue-router/auto-routes'; | ||
| import { until } from '@vueuse/core'; | ||
| import { remote } from '@/plugins/remote'; | ||
| import { isNil } from '@/utils/validation'; | ||
| import { getJSONConfig } from '@/utils/external-config'; | ||
| import { jsonConfig } from '@/utils/external-config'; | ||
| import { useSnackbar } from '@/composables/use-snackbar'; | ||
| import { i18n } from '@/plugins/i18n'; | ||
|
|
||
| const serverAddUrl = '/server/add'; | ||
| const serverSelectUrl = '/server/select'; | ||
| const serverLoginUrl = '/server/login'; | ||
| const serverRoutes = new Set([serverAddUrl, serverSelectUrl]); | ||
| const routes = new Set([...serverRoutes, serverLoginUrl]); | ||
| const serverWizard = '/wizard'; | ||
| const serverPages = new Set<keyof RouteNamedMap>([serverAddUrl, serverSelectUrl, serverLoginUrl, serverWizard]); | ||
|
|
||
| /** | ||
| * Performs the login guard redirection ensuring no redirection loops happen | ||
| * Gets the best server page based on the current state. | ||
| * Note that the final page rendered might differ from the best one here | ||
| * in the loginGuard | ||
| */ | ||
| function doRedir(dest: RouteLocationPathRaw, to: RouteLocationNormalized) { | ||
| return to.path === dest.path | ||
| ? true | ||
| : dest; | ||
| } | ||
|
|
||
| /** | ||
| * Redirects to login page if there's no user logged in. | ||
| */ | ||
| export async function loginGuard( | ||
| to: RouteLocationNormalized | ||
| ): Promise<boolean | RouteLocationRaw> { | ||
| const jsonConfig = await getJSONConfig(); | ||
|
|
||
| async function _getBestServerPage(): Promise<Nullish<keyof RouteNamedMap>> { | ||
| if (jsonConfig.defaultServerURLs.length && isNil(remote.auth.currentServer)) { | ||
| await until(() => remote.auth.currentServer).toBeTruthy({ flush: 'pre' }); | ||
| } | ||
|
|
||
| if ( | ||
| !isNil(remote.auth.currentServer) | ||
| && !isNil(remote.auth.currentUser) | ||
| && !isNil(remote.auth.currentUserToken) | ||
| && routes.has(to.path) | ||
| ) { | ||
| return doRedir({ path: '/', replace: true }, to); | ||
| if (!remote.auth.servers.length) { | ||
| return serverAddUrl; | ||
| } else if (isNil(remote.auth.currentServer)) { | ||
| return serverSelectUrl; | ||
| } else if (!remote.auth.currentServer.StartupWizardCompleted) { | ||
| return serverWizard; | ||
| } | ||
| } | ||
|
|
||
| if (jsonConfig.allowServerSelection) { | ||
| if (!remote.auth.servers.length) { | ||
| return doRedir({ path: serverAddUrl, replace: true }, to); | ||
| } else if (isNil(remote.auth.currentServer)) { | ||
| return doRedir({ path: serverSelectUrl, replace: true }, to); | ||
| } | ||
| } else { | ||
| return doRedir({ path: serverLoginUrl, replace: true }, to); | ||
| export const loginGuard = async ( | ||
| to: RouteLocationNormalized, | ||
| from: RouteLocationNormalized | ||
| ): Promise<Exclude<NavigationGuardReturn, Error>> => { | ||
| const toServerPages = serverPages.has(to.name); | ||
|
|
||
| if (!jsonConfig.allowServerSelection && toServerPages) { | ||
| return false; | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
| const fromServerPages = serverPages.has(from.name); | ||
| const res = await _getBestServerPage(); | ||
|
|
||
| const loggedIn = !isNil(remote.auth.currentUser); | ||
| const shouldBlockToServer = loggedIn && toServerPages; | ||
| const shouldBlockToApp = !loggedIn && !toServerPages; | ||
| const shouldBlock = shouldBlockToServer || shouldBlockToApp; | ||
| const shouldRedirectToHome = loggedIn && fromServerPages; | ||
| /** | ||
| * Redirections between server and app pages are freely allowed | ||
| */ | ||
| const shouldRedirect = !isNil(res) || shouldBlockToApp || shouldRedirectToHome; | ||
|
|
||
| if (shouldRedirect) { | ||
| const name = loggedIn ? '/' : res ?? serverLoginUrl; | ||
|
|
||
| if (to.name !== name) { | ||
| return { | ||
| name, | ||
| replace: true | ||
| }; | ||
| } | ||
| } else if (shouldBlock) { | ||
| useSnackbar(i18n.t('unauthorized'), 'error'); | ||
|
|
||
| return false; | ||
| } | ||
| }; |
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