merge: Allow unauthenticated (logged-out) users to translate notes (!1055)

View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/1055

Approved-by: dakkar <dakkar@thenautilus.net>
Approved-by: Marie <github@yuugi.dev>

13 files changed, 49 insertions, 40 deletions

diff --git a/packages/backend/src/core/RoleService.ts b/packages/backend/src/core/RoleService.ts
index 6b6479c240..b250eeee21 100644
--- a/packages/backend/src/core/RoleService.ts
+++ b/packages/backend/src/core/RoleService.ts
@@ -86,7 +86,7 @@ export const DEFAULT_POLICIES: RolePolicies = {
 	canManageCustomEmojis: false,
 	canManageAvatarDecorations: false,
 	canSearchNotes: false,
-	canUseTranslator: true,
+	canUseTranslator: false,
 	canHideAds: false,
 	driveCapacityMb: 100,
 	maxFileSizeMb: 25,
diff --git a/packages/backend/src/server/api/ApiCallService.ts b/packages/backend/src/server/api/ApiCallService.ts
index 0d2dafd556..5c9e5717bb 100644
--- a/packages/backend/src/server/api/ApiCallService.ts
+++ b/packages/backend/src/server/api/ApiCallService.ts
@@ -344,14 +344,14 @@ export class ApiCallService implements OnApplicationShutdown {
 		}
 
 		if (ep.meta.requireCredential || ep.meta.requireModerator || ep.meta.requireAdmin) {
-			if (user == null) {
+			if (user == null && ep.meta.requireCredential !== 'optional') {
 				throw new ApiError({
 					message: 'Credential required.',
 					code: 'CREDENTIAL_REQUIRED',
 					id: '1384574d-a912-4b81-8601-c7b1c4085df1',
 					httpStatusCode: 401,
 				});
-			} else if (user!.isSuspended) {
+			} else if (user?.isSuspended) {
 				throw new ApiError({
 					message: 'Your account has been suspended.',
 					code: 'YOUR_ACCOUNT_SUSPENDED',
@@ -372,8 +372,8 @@ export class ApiCallService implements OnApplicationShutdown {
 			}
 		}
 
-		if ((ep.meta.requireModerator || ep.meta.requireAdmin) && (this.meta.rootUserId !== user!.id)) {
-			const myRoles = await this.roleService.getUserRoles(user!.id);
+		if ((ep.meta.requireModerator || ep.meta.requireAdmin) && (this.meta.rootUserId !== user?.id)) {
+			const myRoles = user ? await this.roleService.getUserRoles(user) : [];
 			if (ep.meta.requireModerator && !myRoles.some(r => r.isModerator || r.isAdministrator)) {
 				throw new ApiError({
 					message: 'You are not assigned to a moderator role.',
@@ -392,9 +392,9 @@ export class ApiCallService implements OnApplicationShutdown {
 			}
 		}
 
-		if (ep.meta.requiredRolePolicy != null && (this.meta.rootUserId !== user!.id)) {
-			const myRoles = await this.roleService.getUserRoles(user!.id);
-			const policies = await this.roleService.getUserPolicies(user!.id);
+		if (ep.meta.requiredRolePolicy != null && (this.meta.rootUserId !== user?.id)) {
+			const myRoles = user ? await this.roleService.getUserRoles(user) : [];
+			const policies = await this.roleService.getUserPolicies(user ?? null);
 			if (!policies[ep.meta.requiredRolePolicy] && !myRoles.some(r => r.isAdministrator)) {
 				throw new ApiError({
 					message: 'You are not assigned to a required role.',
@@ -418,7 +418,7 @@ export class ApiCallService implements OnApplicationShutdown {
 		// Cast non JSON input
 		if ((ep.meta.requireFile || request.method === 'GET') && ep.params.properties) {
 			for (const k of Object.keys(ep.params.properties)) {
-				const param = ep.params.properties![k];
+				const param = ep.params.properties[k];
 				if (['boolean', 'number', 'integer'].includes(param.type ?? '') && typeof data[k] === 'string') {
 					try {
 						data[k] = JSON.parse(data[k]);
diff --git a/packages/backend/src/server/api/endpoints.ts b/packages/backend/src/server/api/endpoints.ts
index 0ba041c536..c7d884cce1 100644
--- a/packages/backend/src/server/api/endpoints.ts
+++ b/packages/backend/src/server/api/endpoints.ts
@@ -92,7 +92,7 @@ export type IEndpointMeta = (Omit<IEndpointMetaBase, 'requireCrential' | 'requir
 }) | (Omit<IEndpointMetaBase, 'secure'> & {
 	secure: true,
 }) | (Omit<IEndpointMetaBase, 'requireCredential' | 'kind'> & {
-	requireCredential: true,
+	requireCredential: true | 'optional',
 	kind: (typeof permissions)[number],
 }) | (Omit<IEndpointMetaBase, 'requireModerator' | 'kind'> & {
 	requireModerator: true,
diff --git a/packages/backend/src/server/api/endpoints/notes/translate.ts b/packages/backend/src/server/api/endpoints/notes/translate.ts
index e059b5e603..e55168e296 100644
--- a/packages/backend/src/server/api/endpoints/notes/translate.ts
+++ b/packages/backend/src/server/api/endpoints/notes/translate.ts
@@ -20,11 +20,9 @@ import { ApiError } from '../../error.js';
 export const meta = {
 	tags: ['notes'],
 
-	// TODO allow unauthenticated if default template allows?
-	//   Maybe a value 'optional' that allows unauthenticated OR a token w/ appropriate role.
-	//   This will allow unauthenticated requests without leaking post data to restricted clients.
-	requireCredential: true,
+	requireCredential: 'optional',
 	kind: 'read:account',
+	requiredRolePolicy: 'canUseTranslator',
 
 	res: {
 		type: 'object',
@@ -88,17 +86,12 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private readonly loggerService: ApiLoggerService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const policies = await this.roleService.getUserPolicies(me.id);
-			if (!policies.canUseTranslator) {
-				throw new ApiError(meta.errors.unavailable);
-			}
-
 			const note = await this.getterService.getNote(ps.noteId).catch(err => {
 				if (err.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 				throw err;
 			});
 
-			if (!(await this.noteEntityService.isVisibleForMe(note, me.id))) {
+			if (!(await this.noteEntityService.isVisibleForMe(note, me?.id ?? null))) {
 				throw new ApiError(meta.errors.cannotTranslateInvisibleNote);
 			}
 
diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index 366321565d..34c33270bb 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -157,7 +157,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<button v-if="prefer.s.showClipButtonInNoteFooter" ref="clipButton" :class="$style.footerButton" class="_button" @click.stop="clip()">
 					<i class="ti ti-paperclip"></i>
 				</button>
-				<button v-if="prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.footerButton" :disabled="translating || !!translation" @click.stop="translate()">
+				<button v-if="prefer.s.showTranslationButtonInNoteFooter && policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.footerButton" :disabled="translating || !!translation" @click.stop="translate()">
 					<i class="ti ti-language-hiragana"></i>
 				</button>
 				<button ref="menuButton" :class="$style.footerButton" class="_button" @click.stop="showMenu()">
@@ -226,7 +226,7 @@ import { getNoteSummary } from '@/utility/get-note-summary.js';
 import MkRippleEffect from '@/components/MkRippleEffect.vue';
 import { showMovedDialog } from '@/utility/show-moved-dialog.js';
 import { boostMenuItems, computeRenoteTooltip } from '@/utility/boost-quote.js';
-import { instance, isEnabledUrlPreview } from '@/instance.js';
+import { instance, isEnabledUrlPreview, policies } from '@/instance.js';
 import { focusPrev, focusNext } from '@/utility/focus.js';
 import { getAppearNote } from '@/utility/get-appear-note.js';
 import { prefer } from '@/preferences.js';
@@ -360,7 +360,7 @@ const keymap = {
 		clip();
 	},
 	't': () => {
-		if (prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable) {
+		if (prefer.s.showTranslationButtonInNoteFooter && policies.value.canUseTranslator && instance.translatorAvailable) {
 			translate();
 		}
 	},
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index 52cc836926..b2f237a82e 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -169,7 +169,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<button v-if="prefer.s.showClipButtonInNoteFooter" ref="clipButton" class="_button" :class="$style.noteFooterButton" @click.stop="clip()">
 				<i class="ti ti-paperclip"></i>
 			</button>
-			<button v-if="prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.noteFooterButton" :disabled="translating || !!translation" @click.stop="translate()">
+			<button v-if="prefer.s.showTranslationButtonInNoteFooter && policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.noteFooterButton" :disabled="translating || !!translation" @click.stop="translate()">
 				<i class="ti ti-language-hiragana"></i>
 			</button>
 			<button ref="menuButton" class="_button" :class="$style.noteFooterButton" @click.stop="showMenu()">
@@ -278,7 +278,7 @@ import MkPagination from '@/components/MkPagination.vue';
 import MkReactionIcon from '@/components/MkReactionIcon.vue';
 import MkButton from '@/components/MkButton.vue';
 import { boostMenuItems, computeRenoteTooltip } from '@/utility/boost-quote.js';
-import { instance, isEnabledUrlPreview } from '@/instance.js';
+import { instance, isEnabledUrlPreview, policies } from '@/instance.js';
 import { getAppearNote } from '@/utility/get-appear-note.js';
 import { prefer } from '@/preferences.js';
 import { getPluginHandlers } from '@/plugin.js';
@@ -388,7 +388,7 @@ const keymap = {
 		clip();
 	},
 	't': () => {
-		if (prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable) {
+		if (prefer.s.showTranslationButtonInNoteFooter && policies.value.canUseTranslator && instance.translatorAvailable) {
 			translate();
 		}
 	},
diff --git a/packages/frontend/src/components/MkNoteSub.vue b/packages/frontend/src/components/MkNoteSub.vue
index 282854c6a8..e6c0e83a8e 100644
--- a/packages/frontend/src/components/MkNoteSub.vue
+++ b/packages/frontend/src/components/MkNoteSub.vue
@@ -62,7 +62,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<button v-if="prefer.s.showClipButtonInNoteFooter" ref="clipButton" :class="$style.noteFooterButton" class="_button" @click.stop="clip()">
 					<i class="ti ti-paperclip"></i>
 				</button>
-				<button v-if="prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.noteFooterButton" :disabled="translating || !!translation" @click.stop="translate()">
+				<button v-if="prefer.s.showTranslationButtonInNoteFooter && policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.noteFooterButton" :disabled="translating || !!translation" @click.stop="translate()">
 					<i class="ti ti-language-hiragana"></i>
 				</button>
 				<button ref="menuButton" class="_button" :class="$style.noteFooterButton" @click.stop="menu()">
@@ -113,7 +113,7 @@ import { boostMenuItems, computeRenoteTooltip } from '@/utility/boost-quote.js';
 import { prefer } from '@/preferences.js';
 import { useNoteCapture } from '@/use/use-note-capture.js';
 import SkMutedNote from '@/components/SkMutedNote.vue';
-import { instance } from '@/instance';
+import { instance, policies } from '@/instance';
 
 const props = withDefaults(defineProps<{
 	note: Misskey.entities.Note;
diff --git a/packages/frontend/src/components/SkNote.vue b/packages/frontend/src/components/SkNote.vue
index 5184cbd801..c4580e9156 100644
--- a/packages/frontend/src/components/SkNote.vue
+++ b/packages/frontend/src/components/SkNote.vue
@@ -158,7 +158,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<button v-if="prefer.s.showClipButtonInNoteFooter" ref="clipButton" :class="$style.footerButton" class="_button" @click.stop="clip()">
 					<i class="ti ti-paperclip"></i>
 				</button>
-				<button v-if="prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable" class="_button" :class="$style.footerButton" :disabled="translating || !!translation" @click.stop="translate()">
+				<button v-if="prefer.s.showTranslationButtonInNoteFooter && policies.canUseTranslator && instance.translatorAvailable" class="_button" :class="$style.footerButton" :disabled="translating || !!translation" @click.stop="translate()">
 					<i class="ti ti-language-hiragana"></i>
 				</button>
 				<button ref="menuButton" :class="$style.footerButton" class="_button" @click.stop="showMenu()">
@@ -226,7 +226,7 @@ import { getNoteSummary } from '@/utility/get-note-summary.js';
 import MkRippleEffect from '@/components/MkRippleEffect.vue';
 import { showMovedDialog } from '@/utility/show-moved-dialog.js';
 import { boostMenuItems, computeRenoteTooltip } from '@/utility/boost-quote.js';
-import { instance, isEnabledUrlPreview } from '@/instance.js';
+import { instance, isEnabledUrlPreview, policies } from '@/instance.js';
 import { focusPrev, focusNext } from '@/utility/focus.js';
 import { getAppearNote } from '@/utility/get-appear-note.js';
 import { prefer } from '@/preferences.js';
@@ -360,7 +360,7 @@ const keymap = {
 		clip();
 	},
 	't': () => {
-		if (prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable) {
+		if (prefer.s.showTranslationButtonInNoteFooter && policies.value.canUseTranslator && instance.translatorAvailable) {
 			translate();
 		}
 	},
diff --git a/packages/frontend/src/components/SkNoteDetailed.vue b/packages/frontend/src/components/SkNoteDetailed.vue
index b165b95d40..8b495fb873 100644
--- a/packages/frontend/src/components/SkNoteDetailed.vue
+++ b/packages/frontend/src/components/SkNoteDetailed.vue
@@ -174,7 +174,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<button v-if="prefer.s.showClipButtonInNoteFooter" ref="clipButton" class="_button" :class="$style.noteFooterButton" @click.stop="clip()">
 				<i class="ti ti-paperclip"></i>
 			</button>
-			<button v-if="prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.noteFooterButton" :disabled="translating || !!translation" @click.stop="translate()">
+			<button v-if="prefer.s.showTranslationButtonInNoteFooter && policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.noteFooterButton" :disabled="translating || !!translation" @click.stop="translate()">
 				<i class="ti ti-language-hiragana"></i>
 			</button>
 			<button ref="menuButton" class="_button" :class="$style.noteFooterButton" @click.stop="showMenu()">
@@ -283,7 +283,7 @@ import MkPagination from '@/components/MkPagination.vue';
 import MkReactionIcon from '@/components/MkReactionIcon.vue';
 import MkButton from '@/components/MkButton.vue';
 import { boostMenuItems, computeRenoteTooltip } from '@/utility/boost-quote.js';
-import { instance, isEnabledUrlPreview } from '@/instance.js';
+import { instance, isEnabledUrlPreview, policies } from '@/instance.js';
 import { getAppearNote } from '@/utility/get-appear-note.js';
 import { prefer } from '@/preferences.js';
 import { getPluginHandlers } from '@/plugin.js';
@@ -394,7 +394,7 @@ const keymap = {
 		clip();
 	},
 	't': () => {
-		if (prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable) {
+		if (prefer.s.showTranslationButtonInNoteFooter && policies.value.canUseTranslator && instance.translatorAvailable) {
 			translate();
 		}
 	},
diff --git a/packages/frontend/src/components/SkNoteSub.vue b/packages/frontend/src/components/SkNoteSub.vue
index 775436cb0f..9fa0c11d48 100644
--- a/packages/frontend/src/components/SkNoteSub.vue
+++ b/packages/frontend/src/components/SkNoteSub.vue
@@ -70,7 +70,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<button v-if="prefer.s.showClipButtonInNoteFooter" ref="clipButton" :class="$style.noteFooterButton" class="_button" @click.stop="clip()">
 					<i class="ti ti-paperclip"></i>
 				</button>
-				<button v-if="prefer.s.showTranslationButtonInNoteFooter && $i?.policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.noteFooterButton" :disabled="translating || !!translation" @click.stop="translate()">
+				<button v-if="prefer.s.showTranslationButtonInNoteFooter && policies.canUseTranslator && instance.translatorAvailable" ref="translationButton" class="_button" :class="$style.noteFooterButton" :disabled="translating || !!translation" @click.stop="translate()">
 					<i class="ti ti-language-hiragana"></i>
 				</button>
 				<button ref="menuButton" class="_button" :class="$style.noteFooterButton" @click.stop="menu()">
@@ -121,7 +121,7 @@ import { boostMenuItems, computeRenoteTooltip } from '@/utility/boost-quote.js';
 import { prefer } from '@/preferences.js';
 import { useNoteCapture } from '@/use/use-note-capture.js';
 import SkMutedNote from '@/components/SkMutedNote.vue';
-import { instance } from '@/instance';
+import { instance, policies } from '@/instance';
 
 const props = withDefaults(defineProps<{
 	note: Misskey.entities.Note;
diff --git a/packages/frontend/src/i.ts b/packages/frontend/src/i.ts
index a71ed1671f..0021298d63 100644
--- a/packages/frontend/src/i.ts
+++ b/packages/frontend/src/i.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { reactive } from 'vue';
+import { computed, reactive } from 'vue';
 import * as Misskey from 'misskey-js';
 import { miLocalStorage } from '@/local-storage.js';
 
diff --git a/packages/frontend/src/instance.ts b/packages/frontend/src/instance.ts
index e75e3dfd34..953af6333a 100644
--- a/packages/frontend/src/instance.ts
+++ b/packages/frontend/src/instance.ts
@@ -3,11 +3,12 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { computed, reactive } from 'vue';
+import { computed, nextTick, reactive } from 'vue';
 import * as Misskey from 'misskey-js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { DEFAULT_INFO_IMAGE_URL, DEFAULT_NOT_FOUND_IMAGE_URL, DEFAULT_SERVER_ERROR_IMAGE_URL } from '@@/js/const.js';
+import { $i } from '@/i';
 
 // TODO: 他のタブと永続化されたstateを同期
 
@@ -38,6 +39,8 @@ export const notFoundImageUrl = computed(() => instance.notFoundImageUrl ?? DEFA
 
 export const isEnabledUrlPreview = computed(() => instance.enableUrlPreview ?? true);
 
+export const policies = computed<Misskey.entities.RolePolicies>(() => $i?.policies ?? instance.policies);
+
 export async function fetchInstance(force = false): Promise<Misskey.entities.MetaDetailed> {
 	if (!force) {
 		const cachedAt = miLocalStorage.getItem('instanceCachedAt') ? parseInt(miLocalStorage.getItem('instanceCachedAt')!) : 0;
@@ -60,3 +63,8 @@ export async function fetchInstance(force = false): Promise<Misskey.entities.Met
 
 	return instance;
 }
+
+// instance export can be empty sometimes, which causes problems.
+await fetchInstance().catch(err => {
+	console.warn('Initial meta fetch failed:', err);
+});
diff --git a/packages/frontend/src/utility/get-note-menu.ts b/packages/frontend/src/utility/get-note-menu.ts
index f773149fac..2f9b613725 100644
--- a/packages/frontend/src/utility/get-note-menu.ts
+++ b/packages/frontend/src/utility/get-note-menu.ts
@@ -11,7 +11,7 @@ import type { Ref, ShallowRef } from 'vue';
 import type { MenuItem } from '@/types/menu.js';
 import { $i } from '@/i.js';
 import { i18n } from '@/i18n.js';
-import { instance } from '@/instance.js';
+import { instance, policies } from '@/instance.js';
 import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { copyToClipboard } from '@/utility/copy-to-clipboard.js';
@@ -342,7 +342,7 @@ export function getNoteMenu(props: {
 			});
 		}
 
-		if ($i.policies.canUseTranslator && instance.translatorAvailable) {
+		if (policies.value.canUseTranslator && instance.translatorAvailable) {
 			menuItems.push({
 				icon: 'ti ti-language-hiragana',
 				text: i18n.ts.translate,
@@ -497,6 +497,14 @@ export function getNoteMenu(props: {
 		} else {
 			menuItems.push(getNoteEmbedCodeMenu(appearNote, i18n.ts.embed));
 		}
+
+		if (policies.value.canUseTranslator && instance.translatorAvailable) {
+			menuItems.push({
+				icon: 'ti ti-language-hiragana',
+				text: i18n.ts.translate,
+				action: () => translateNote(appearNote.id, props.translation, props.translating),
+			});
+		}
 	}
 
 	const noteActions = getPluginHandlers('note_action');