initial link attributions work.

packages/frontend/src/components/MkUrlPreview.vue

@@ -65,6 +65,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</footer>
 		</article>
 	</component>
+	<footer v-if="linkAttribution" :class="$style.footer" style="float: right">
+		<a :href="'/@' + linkAttribution.username">
+			<p :class="$style.linkAttribution">{{i18n.ts.writtenBy}}</p>
+			<MkImgWithBlurhash :class="$style.linkAttributionIcon" :src="linkAttribution.avatarUrl" :hash="linkAttribution.avatarBlurhash" :cover="true" :onlyAvgColor="true"/>
+			<b :class="$style.linkAttribution" style="color: var(--MI_THEME-accent)">{{ linkAttribution.name }}</b>
+		</a>
+	</footer>
 	<template v-if="showActions">
 		<div v-if="tweetId" :class="$style.action">
 			<MkButton :small="true" inline @click="tweetExpanded = true">
@@ -99,6 +106,7 @@ import { i18n } from '@/i18n.js';
 import * as os from '@/os.js';
 import { deviceKind } from '@/utility/device-kind.js';
 import MkButton from '@/components/MkButton.vue';
+import MkImgWithBlurhash from '@/components/MkImgWithBlurhash.vue';
 import { transformPlayerUrl } from '@/utility/player-url-transform.js';
 import { store } from '@/store.js';
 import { prefer } from '@/preferences.js';
@@ -146,6 +154,12 @@ const player = ref<SummalyResult['player']>({
 	height: null,
 	allow: [],
 });
+const linkAttribution = ref<{
+	name: string,
+	username: string,
+	avatarUrl: string,
+	avatarBlurhash: string,
+} | null>(null);
 const playerEnabled = ref(false);
 const tweetId = ref<string | null>(null);
 const tweetExpanded = ref(props.detail);
@@ -221,7 +235,15 @@ function refresh(withFetch = false) {
 
 			return res.json();
 		})
-		.then(async (info: SummalyResult & { haveNoteLocally?: boolean } | null) => {
+		.then(async (info: SummalyResult & {
+			haveNoteLocally?: boolean,
+			linkAttribution?: {
+				name: string,
+				username: string,
+				avatarUrl: string,
+				avatarBlurhash: string,
+			}
+		} | null) => {
 			unknownUrl.value = info == null;
 			title.value = info?.title ?? null;
 			description.value = info?.description ?? null;
@@ -236,6 +258,7 @@ function refresh(withFetch = false) {
 			};
 			sensitive.value = info?.sensitive ?? false;
 			activityPub.value = info?.activityPub ?? null;
+			linkAttribution.value = info?.linkAttribution ?? null;
 
 			theNote.value = null;
 			if (info?.haveNoteLocally) {
@@ -395,6 +418,27 @@ refresh();
 	vertical-align: top;
 }
 
+.linkAttributionIcon {
+	display: inline-block;
+	width: 1em;
+	height: 1em;
+	margin-left: 0.5em;
+	margin-right: 0.25em;
+	vertical-align: top;
+	border-radius: 50%;
+	* {
+		border-radius: 4px;
+	}
+}
+
+.linkAttribution {
+	font-size: 0.8em;
+	display: inline-block;
+	margin: 0;
+	line-height: 16px;
+	vertical-align: top;
+}
+
 .action {
 	display: flex;
 	gap: 6px;

packages/frontend/src/pages/settings/attribution-domains-setting.vue

@@ -0,0 +1,57 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div class="_gaps_m">
+	<SearchMarker :keywords="['attribution', 'domains', 'preview', 'url']">
+		<MkTextarea v-model="attributionDomains">
+			<template #label>{{ i18n.ts.attributionDomains }}</template>
+			<template #caption>{{ i18n.ts.attributionDomainsDescription }}
+				<br/>
+				<Mfm :text="i18n.tsx.attributionDomainsTutorial({ user: $i.username, host: host})"/>
+			</template>
+		</MkTextarea>
+	</SearchMarker>
+	<MkButton primary :disabled="!changed" @click="save()"><i class="ti ti-device-floppy"></i> {{ i18n.ts.save }}</MkButton>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { ref, watch } from 'vue';
+import { host as hostRaw } from '@@/js/config.js'
+import { toUnicode } from 'punycode.js';
+import MkTextarea from '@/components/MkTextarea.vue';
+import MkInfo from '@/components/MkInfo.vue';
+import MkButton from '@/components/MkButton.vue';
+import { ensureSignin } from '@/i.js';
+import { misskeyApi } from '@/utility/misskey-api.js';
+import { i18n } from '@/i18n.js';
+
+const $i = ensureSignin();
+
+const attributionDomains = ref($i.attributionDomains.join('\n'));
+const changed = ref(false);
+const host = toUnicode(hostRaw);
+
+async function save() {
+	let domains = attributionDomains.value
+		.trim().split('\n')
+		.map(el => el.trim())
+		.filter(el => el);
+
+	await misskeyApi('i/update', {
+		attributionDomains: domains,
+	});
+
+	changed.value = false;
+
+	// Refresh filtered list to signal to the user how they've been saved
+	attributionDomains.value = domains.join('\n');
+}
+
+watch(attributionDomains, () => {
+	changed.value = true;
+});
+</script>

packages/frontend/src/pages/settings/profile.vue

@@ -161,6 +161,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 							<template #caption>{{ i18n.ts.flagAsBotDescription }}</template>
 						</MkSwitch>
 					</SearchMarker>
+
+					<AttributionDomainsSettings/>
 				</div>
 			</MkFolder>
 		</SearchMarker>
@@ -170,6 +172,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { computed, reactive, ref, watch, defineAsyncComponent } from 'vue';
+import AttributionDomainsSettings from './attribution-domains-setting.vue';
 import MkButton from '@/components/MkButton.vue';
 import MkInput from '@/components/MkInput.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
@@ -217,6 +220,7 @@ const profile = reactive({
 	isBot: $i.isBot ?? false,
 	isCat: $i.isCat ?? false,
 	speakAsCat: $i.speakAsCat ?? false,
+	attributionDomains: $i.attributionDomains,
 });
 
 watch(() => profile, () => {
@@ -276,6 +280,7 @@ function save() {
 		isBot: !!profile.isBot,
 		isCat: !!profile.isCat,
 		speakAsCat: !!profile.speakAsCat,
+		attributionDomains: !!profile.attributionDomains,
 	}, undefined, {
 		'0b3f9f6a-2f4d-4b1f-9fb4-49d3a2fd7191': {
 			title: i18n.ts.yourNameContainsProhibitedWords,