From b97c4511d91728c5d21231a9e6da87f35c2a34b3 Mon Sep 17 00:00:00 2001
From: Laura Hausmann <laura@hausmann.dev>
Date: Tue, 12 Sep 2023 15:11:55 +0200
Subject: [PATCH] Make MFM search engine a config option, switch default engine
 to DuckDuckGo, replaces #207

---
 .config/example-docker.yml                        | 3 +++
 .config/example.yml                               | 3 +++
 packages/backend/src/config/load.ts               | 2 ++
 packages/backend/src/config/sane-defaults.ts      | 1 -
 packages/backend/src/config/types.ts              | 2 ++
 packages/backend/src/mfm/to-html.ts               | 3 +--
 packages/backend/src/server/api/endpoints/meta.ts | 6 ++++++
 packages/client/src/components/MkGoogle.vue       | 4 ++--
 packages/client/src/config.ts                     | 5 +++++
 packages/client/src/init.ts                       | 3 ++-
 packages/iceshrimp-js/src/entities.ts             | 1 +
 sane-defaults.js                                  | 1 -
 12 files changed, 27 insertions(+), 7 deletions(-)
 delete mode 100644 packages/backend/src/config/sane-defaults.ts
 delete mode 100644 sane-defaults.js

diff --git a/.config/example-docker.yml b/.config/example-docker.yml
index 359b72f40..b80e809a2 100644
--- a/.config/example-docker.yml
+++ b/.config/example-docker.yml
@@ -204,6 +204,9 @@ reservedUsernames: [
 #  notFound: '/twemoji/2049.svg'
 #  error: '/twemoji/1f480.svg'
 
+# Search engine (MFM)
+#searchEngine: 'https://duckduckgo.com/?q='
+
 #allowedPrivateNetworks: [
 #  '127.0.0.1/32'
 #]
diff --git a/.config/example.yml b/.config/example.yml
index 20e301070..7fd3e5812 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -203,6 +203,9 @@ reservedUsernames: [
 #  notFound: '/twemoji/2049.svg'
 #  error: '/twemoji/1f480.svg'
 
+# Search engine (MFM)
+#searchEngine: 'https://duckduckgo.com/?q='
+
 #allowedPrivateNetworks: [
 #  '127.0.0.1/32'
 #]
diff --git a/packages/backend/src/config/load.ts b/packages/backend/src/config/load.ts
index 31ca4242e..945863a44 100644
--- a/packages/backend/src/config/load.ts
+++ b/packages/backend/src/config/load.ts
@@ -49,6 +49,8 @@ export default function load() {
 		error: '/twemoji/1f480.svg',
 	};
 
+	config.searchEngine = config.searchEngine ?? 'https://duckduckgo.com/?q=';
+
 	mixin.version = meta.version;
 	mixin.host = url.host;
 	mixin.hostname = url.hostname;
diff --git a/packages/backend/src/config/sane-defaults.ts b/packages/backend/src/config/sane-defaults.ts
deleted file mode 100644
index 2d9788c24..000000000
--- a/packages/backend/src/config/sane-defaults.ts
+++ /dev/null
@@ -1 +0,0 @@
-export const engine = "https://www.google.com/search?q="
diff --git a/packages/backend/src/config/types.ts b/packages/backend/src/config/types.ts
index a53a54651..2b8fa5a71 100644
--- a/packages/backend/src/config/types.ts
+++ b/packages/backend/src/config/types.ts
@@ -72,6 +72,8 @@ export type Source = {
 		info?: string;
 	};
 
+	searchEngine?: string;
+
 	proxy?: string;
 	proxySmtp?: string;
 	proxyBypassHosts?: string[];
diff --git a/packages/backend/src/mfm/to-html.ts b/packages/backend/src/mfm/to-html.ts
index a923d389e..1693f2cef 100644
--- a/packages/backend/src/mfm/to-html.ts
+++ b/packages/backend/src/mfm/to-html.ts
@@ -3,7 +3,6 @@ import type * as mfm from "mfm-js";
 import config from "@/config/index.js";
 import { intersperse } from "@/prelude/array.js";
 import type { IMentionedRemoteUsers } from "@/models/entities/note.js";
-import { engine } from "@/config/sane-defaults.js";
 
 export function toHtml(
 	nodes: mfm.MfmNode[] | null,
@@ -157,7 +156,7 @@ export function toHtml(
 
 		search(node) {
 			const a = doc.createElement("a");
-			a.href = `${engine}{node.props.query}`;
+			a.href = `${config.searchEngine}${node.props.query}`;
 			a.textContent = node.props.content;
 			return a;
 		},
diff --git a/packages/backend/src/server/api/endpoints/meta.ts b/packages/backend/src/server/api/endpoints/meta.ts
index 964919dce..a80fcd5f5 100644
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@@ -190,6 +190,11 @@ export const meta = {
 				optional: false,
 				nullable: false,
 			},
+			searchEngine: {
+				type: "string",
+				optional: false,
+				nullable: false,
+			},
 			emojis: {
 				type: "array",
 				optional: false,
@@ -449,6 +454,7 @@ export default define(meta, paramDef, async (ps, me) => {
 		logoImageUrl: instance.logoImageUrl,
 		maxNoteTextLength: MAX_NOTE_TEXT_LENGTH, // 後方互換性のため
 		maxCaptionTextLength: MAX_CAPTION_TEXT_LENGTH,
+		searchEngine: config.searchEngine,
 		emojis: instance.privateMode && !me ? [] : await Emojis.packMany(emojis),
 		// クライアントの手間を減らすためあらかじめJSONに変換しておく
 		defaultLightTheme: instance.defaultLightTheme
diff --git a/packages/client/src/components/MkGoogle.vue b/packages/client/src/components/MkGoogle.vue
index a69b09b7e..8d7388e84 100644
--- a/packages/client/src/components/MkGoogle.vue
+++ b/packages/client/src/components/MkGoogle.vue
@@ -11,7 +11,7 @@
 <script lang="ts" setup>
 import { ref } from "vue";
 import { i18n } from "@/i18n";
-import {engine} from "../../../../sane-defaults"
+import { searchEngine } from "@/config"
 
 const props = defineProps<{
 	q: string;
@@ -21,7 +21,7 @@ const query = ref(props.q);
 
 const search = () => {
 	window.open(
-		`${engine}${query.value}`,
+		`${searchEngine}${query.value}`,
 		"_blank",
 	);
 };
diff --git a/packages/client/src/config.ts b/packages/client/src/config.ts
index dad6a82c8..bf882d07c 100644
--- a/packages/client/src/config.ts
+++ b/packages/client/src/config.ts
@@ -7,6 +7,10 @@ export function setHost(newHost: string): void {
 	host = newHost;
 }
 
+export function setSearchEngine(engine: string): void {
+	searchEngine = engine;
+}
+
 export let host = address.host;
 export const hostname = address.hostname;
 export const url = address.origin;
@@ -19,5 +23,6 @@ export const langs = _LANGS_;
 export const locale = JSON.parse(localStorage.getItem("locale"));
 export const version = _VERSION_;
 export const instanceName = siteName === "Iceshrimp" ? host : siteName;
+export let searchEngine = 'https://duckduckgo.com/?q=';
 export const ui = localStorage.getItem("ui");
 export const debug = localStorage.getItem("debug") === "true";
diff --git a/packages/client/src/init.ts b/packages/client/src/init.ts
index 3b8c21a71..e6b24f608 100644
--- a/packages/client/src/init.ts
+++ b/packages/client/src/init.ts
@@ -32,7 +32,7 @@ import { compareVersions } from "compare-versions";
 import widgets from "@/widgets";
 import directives from "@/directives";
 import components from "@/components";
-import { version, ui, lang, setHost } from "@/config";
+import { version, ui, lang, setHost, setSearchEngine } from "@/config";
 import { applyTheme } from "@/scripts/theme";
 import { isDeviceDarkmode } from "@/scripts/is-device-darkmode";
 import { i18n } from "@/i18n";
@@ -181,6 +181,7 @@ function checkForSplash() {
 	fetchInstanceMetaPromise.then(() => {
 		localStorage.setItem("v", instance.version);
 		setHost(instance.domain);
+		setSearchEngine(instance.searchEngine);
 
 		// Init service worker
 		initializeSw();
diff --git a/packages/iceshrimp-js/src/entities.ts b/packages/iceshrimp-js/src/entities.ts
index 4a4ae9b56..d3d5e2ce5 100644
--- a/packages/iceshrimp-js/src/entities.ts
+++ b/packages/iceshrimp-js/src/entities.ts
@@ -300,6 +300,7 @@ export type LiteInstanceMetadata = {
 	enableGithubIntegration: boolean;
 	enableDiscordIntegration: boolean;
 	enableServiceWorker: boolean;
+	searchEngine: string;
 	emojis: CustomEmoji[];
 	images: {
 		error: string;
diff --git a/sane-defaults.js b/sane-defaults.js
deleted file mode 100644
index 2d9788c24..000000000
--- a/sane-defaults.js
+++ /dev/null
@@ -1 +0,0 @@
-export const engine = "https://www.google.com/search?q="