From 072f67d6e71af3d7fa6f5f4c73ae460d6844f511 Mon Sep 17 00:00:00 2001
From: Chocolate Pie <106949016+chocolate-pie@users.noreply.github.com>
Date: Sat, 6 Jan 2024 20:14:33 +0900
Subject: feat: Add support for mCaptcha (#12905)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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* feat: Add support for mCaptcha

* fix: Fix docker compose configuration

* chore(frontend/docs): update changelog & fix eslint errors

* `@mcaptcha/vanilla-glue`をダイナミックインポートするように

* chore: Add missing prefix to CHANGELOG

* refactor(backend): 適当につけた変数の名前を変更
---
 packages/frontend/src/components/MkCaptcha.vue     | 41 ++++++++++++++++++----
 .../src/components/MkSignupDialog.form.vue         |  4 +++
 packages/frontend/src/index.html                   |  6 ++--
 .../frontend/src/pages/admin/bot-protection.vue    | 34 +++++++++++++++++-
 packages/frontend/src/pages/admin/security.vue     |  3 ++
 5 files changed, 78 insertions(+), 10 deletions(-)

(limited to 'packages/frontend/src')

diff --git a/packages/frontend/src/components/MkCaptcha.vue b/packages/frontend/src/components/MkCaptcha.vue
index 40bca11e64..f60c721eae 100644
--- a/packages/frontend/src/components/MkCaptcha.vue
+++ b/packages/frontend/src/components/MkCaptcha.vue
@@ -6,12 +6,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <div>
 	<span v-if="!available">{{ i18n.ts.waiting }}<MkEllipsis/></span>
-	<div ref="captchaEl"></div>
+	<div v-if="props.provider == 'mcaptcha'">
+		<div id="mcaptcha__widget-container" class="m-captcha-style"></div>
+		<div ref="captchaEl"></div>
+	</div>
+	<div v-else ref="captchaEl"></div>
 </div>
 </template>
 
 <script lang="ts" setup>
-import { ref, shallowRef, computed, onMounted, onBeforeUnmount, watch } from 'vue';
+import { ref, shallowRef, computed, onMounted, onBeforeUnmount, watch, onUnmounted } from 'vue';
 import { defaultStore } from '@/store.js';
 import { i18n } from '@/i18n.js';
 
@@ -26,7 +30,7 @@ export type Captcha = {
 	getResponse(id: string): string;
 };
 
-export type CaptchaProvider = 'hcaptcha' | 'recaptcha' | 'turnstile';
+export type CaptchaProvider = 'hcaptcha' | 'recaptcha' | 'turnstile' | 'mcaptcha';
 
 type CaptchaContainer = {
 	readonly [_ in CaptchaProvider]?: Captcha;
@@ -39,6 +43,7 @@ declare global {
 const props = defineProps<{
 	provider: CaptchaProvider;
 	sitekey: string | null; // null will show error on request
+	instanceUrl?: string | null;
 	modelValue?: string | null;
 }>();
 
@@ -55,6 +60,7 @@ const variable = computed(() => {
 		case 'hcaptcha': return 'hcaptcha';
 		case 'recaptcha': return 'grecaptcha';
 		case 'turnstile': return 'turnstile';
+		case 'mcaptcha': return 'mcaptcha';
 	}
 });
 
@@ -65,6 +71,7 @@ const src = computed(() => {
 		case 'hcaptcha': return 'https://js.hcaptcha.com/1/api.js?render=explicit&recaptchacompat=off';
 		case 'recaptcha': return 'https://www.recaptcha.net/recaptcha/api.js?render=explicit';
 		case 'turnstile': return 'https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit';
+		case 'mcaptcha': return null;
 	}
 });
 
@@ -72,9 +79,9 @@ const scriptId = computed(() => `script-${props.provider}`);
 
 const captcha = computed<Captcha>(() => window[variable.value] || {} as unknown as Captcha);
 
-if (loaded) {
+if (loaded || props.provider === 'mcaptcha') {
 	available.value = true;
-} else {
+} else if (src.value !== null) {
 	(document.getElementById(scriptId.value) ?? document.head.appendChild(Object.assign(document.createElement('script'), {
 		async: true,
 		id: scriptId.value,
@@ -87,7 +94,7 @@ function reset() {
 	if (captcha.value.reset) captcha.value.reset();
 }
 
-function requestRender() {
+async function requestRender() {
 	if (captcha.value.render && captchaEl.value instanceof Element) {
 		captcha.value.render(captchaEl.value, {
 			sitekey: props.sitekey,
@@ -96,6 +103,15 @@ function requestRender() {
 			'expired-callback': callback,
 			'error-callback': callback,
 		});
+	} else if (props.provider === 'mcaptcha' && props.instanceUrl && props.sitekey) {
+		const { default: Widget } = await import('@mcaptcha/vanilla-glue');
+		// @ts-expect-error avoid typecheck error
+		new Widget({
+			siteKey: {
+				instanceUrl: new URL(props.instanceUrl),
+				key: props.sitekey,
+			},
+		});
 	} else {
 		window.setTimeout(requestRender, 1);
 	}
@@ -105,14 +121,27 @@ function callback(response?: string) {
 	emit('update:modelValue', typeof response === 'string' ? response : null);
 }
 
+function onReceivedMessage(message: MessageEvent) {
+	if (message.data.token) {
+		if (props.instanceUrl && new URL(message.origin).host === new URL(props.instanceUrl).host) {
+			callback(<string>message.data.token);
+		}
+	}
+}
+
 onMounted(() => {
 	if (available.value) {
+		window.addEventListener('message', onReceivedMessage);
 		requestRender();
 	} else {
 		watch(available, requestRender);
 	}
 });
 
+onUnmounted(() => {
+	window.removeEventListener('message', onReceivedMessage);
+});
+
 onBeforeUnmount(() => {
 	reset();
 });
diff --git a/packages/frontend/src/components/MkSignupDialog.form.vue b/packages/frontend/src/components/MkSignupDialog.form.vue
index c71330d62c..79e17c9aef 100644
--- a/packages/frontend/src/components/MkSignupDialog.form.vue
+++ b/packages/frontend/src/components/MkSignupDialog.form.vue
@@ -63,6 +63,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</template>
 			</MkInput>
 			<MkCaptcha v-if="instance.enableHcaptcha" ref="hcaptcha" v-model="hCaptchaResponse" :class="$style.captcha" provider="hcaptcha" :sitekey="instance.hcaptchaSiteKey"/>
+			<MkCaptcha v-if="instance.enableMcaptcha" ref="mcaptcha" v-model="mCaptchaResponse" :class="$style.captcha" provider="mcaptcha" :sitekey="instance.mcaptchaSiteKey" :instanceUrl="instance.mcaptchaInstanceUrl"/>
 			<MkCaptcha v-if="instance.enableRecaptcha" ref="recaptcha" v-model="reCaptchaResponse" :class="$style.captcha" provider="recaptcha" :sitekey="instance.recaptchaSiteKey"/>
 			<MkCaptcha v-if="instance.enableTurnstile" ref="turnstile" v-model="turnstileResponse" :class="$style.captcha" provider="turnstile" :sitekey="instance.turnstileSiteKey"/>
 			<MkButton type="submit" :disabled="shouldDisableSubmitting" large gradate rounded data-cy-signup-submit style="margin: 0 auto;">
@@ -117,6 +118,7 @@ const passwordStrength = ref<'' | 'low' | 'medium' | 'high'>('');
 const passwordRetypeState = ref<null | 'match' | 'not-match'>(null);
 const submitting = ref<boolean>(false);
 const hCaptchaResponse = ref<string | null>(null);
+const mCaptchaResponse = ref<string | null>(null);
 const reCaptchaResponse = ref<string | null>(null);
 const turnstileResponse = ref<string | null>(null);
 const usernameAbortController = ref<null | AbortController>(null);
@@ -125,6 +127,7 @@ const emailAbortController = ref<null | AbortController>(null);
 const shouldDisableSubmitting = computed((): boolean => {
 	return submitting.value ||
 		instance.enableHcaptcha && !hCaptchaResponse.value ||
+		instance.enableMcaptcha && !mCaptchaResponse.value ||
 		instance.enableRecaptcha && !reCaptchaResponse.value ||
 		instance.enableTurnstile && !turnstileResponse.value ||
 		instance.emailRequiredForSignup && emailState.value !== 'ok' ||
@@ -252,6 +255,7 @@ async function onSubmit(): Promise<void> {
 			emailAddress: email.value,
 			invitationCode: invitationCode.value,
 			'hcaptcha-response': hCaptchaResponse.value,
+			'm-captcha-response': mCaptchaResponse.value,
 			'g-recaptcha-response': reCaptchaResponse.value,
 			'turnstile-response': turnstileResponse.value,
 		});
diff --git a/packages/frontend/src/index.html b/packages/frontend/src/index.html
index 8de01e4802..13f800c72f 100644
--- a/packages/frontend/src/index.html
+++ b/packages/frontend/src/index.html
@@ -16,13 +16,13 @@
 	<!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
 	<meta
 		http-equiv="Content-Security-Policy"
-		content="default-src 'self';
+		content="default-src 'self' https://newassets.hcaptcha.com/ https://challenges.cloudflare.com/ http://localhost:7493/;
 			worker-src 'self';
-			script-src 'self' 'unsafe-eval';
+			script-src 'self' 'unsafe-eval' https://*.hcaptcha.com https://challenges.cloudflare.com;
 			style-src 'self' 'unsafe-inline';
 			img-src 'self' data: www.google.com xn--931a.moe localhost:3000 localhost:5173 127.0.0.1:5173 127.0.0.1:3000;
 			media-src 'self' localhost:3000 localhost:5173 127.0.0.1:5173 127.0.0.1:3000;
-			connect-src 'self' localhost:3000 localhost:5173 127.0.0.1:5173 127.0.0.1:3000;"
+			connect-src 'self' localhost:3000 localhost:5173 127.0.0.1:5173 127.0.0.1:3000 https://newassets.hcaptcha.com;"
 	/>
 	<meta property="og:site_name" content="[DEV BUILD] Misskey" />
 	<meta name="viewport" content="width=device-width, initial-scale=1">
diff --git a/packages/frontend/src/pages/admin/bot-protection.vue b/packages/frontend/src/pages/admin/bot-protection.vue
index 99b8070b71..37f8227485 100644
--- a/packages/frontend/src/pages/admin/bot-protection.vue
+++ b/packages/frontend/src/pages/admin/bot-protection.vue
@@ -10,6 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<MkRadios v-model="provider">
 				<option :value="null">{{ i18n.ts.none }} ({{ i18n.ts.notRecommended }})</option>
 				<option value="hcaptcha">hCaptcha</option>
+				<option value="mcaptcha">mCaptcha</option>
 				<option value="recaptcha">reCAPTCHA</option>
 				<option value="turnstile">Turnstile</option>
 			</MkRadios>
@@ -28,6 +29,24 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<MkCaptcha provider="hcaptcha" :sitekey="hcaptchaSiteKey || '10000000-ffff-ffff-ffff-000000000001'"/>
 				</FormSlot>
 			</template>
+			<template v-else-if="provider === 'mcaptcha'">
+				<MkInput v-model="mcaptchaSiteKey">
+					<template #prefix><i class="ti ti-key"></i></template>
+					<template #label>{{ i18n.ts.mcaptchaSiteKey }}</template>
+				</MkInput>
+				<MkInput v-model="mcaptchaSecretKey">
+					<template #prefix><i class="ti ti-key"></i></template>
+					<template #label>{{ i18n.ts.mcaptchaSecretKey }}</template>
+				</MkInput>
+				<MkInput v-model="mcaptchaInstanceUrl">
+					<template #prefix><i class="ti ti-link"></i></template>
+					<template #label>{{ i18n.ts.mcaptchaInstanceUrl }}</template>
+				</MkInput>
+				<FormSlot v-if="mcaptchaSiteKey && mcaptchaInstanceUrl">
+					<template #label>{{ i18n.ts.preview }}</template>
+					<MkCaptcha provider="mcaptcha" :sitekey="mcaptchaSiteKey" :instanceUrl="mcaptchaInstanceUrl"/>
+				</FormSlot>
+			</template>
 			<template v-else-if="provider === 'recaptcha'">
 				<MkInput v-model="recaptchaSiteKey">
 					<template #prefix><i class="ti ti-key"></i></template>
@@ -81,6 +100,9 @@ const MkCaptcha = defineAsyncComponent(() => import('@/components/MkCaptcha.vue'
 const provider = ref<CaptchaProvider | null>(null);
 const hcaptchaSiteKey = ref<string | null>(null);
 const hcaptchaSecretKey = ref<string | null>(null);
+const mcaptchaSiteKey = ref<string | null>(null);
+const mcaptchaSecretKey = ref<string | null>(null);
+const mcaptchaInstanceUrl = ref<string | null>(null);
 const recaptchaSiteKey = ref<string | null>(null);
 const recaptchaSecretKey = ref<string | null>(null);
 const turnstileSiteKey = ref<string | null>(null);
@@ -90,12 +112,18 @@ async function init() {
 	const meta = await misskeyApi('admin/meta');
 	hcaptchaSiteKey.value = meta.hcaptchaSiteKey;
 	hcaptchaSecretKey.value = meta.hcaptchaSecretKey;
+	mcaptchaSiteKey.value = meta.mcaptchaSiteKey;
+	mcaptchaSecretKey.value = meta.mcaptchaSecretKey;
+	mcaptchaInstanceUrl.value = meta.mcaptchaInstanceUrl;
 	recaptchaSiteKey.value = meta.recaptchaSiteKey;
 	recaptchaSecretKey.value = meta.recaptchaSecretKey;
 	turnstileSiteKey.value = meta.turnstileSiteKey;
 	turnstileSecretKey.value = meta.turnstileSecretKey;
 
-	provider.value = meta.enableHcaptcha ? 'hcaptcha' : meta.enableRecaptcha ? 'recaptcha' : meta.enableTurnstile ? 'turnstile' : null;
+	provider.value = meta.enableHcaptcha ? 'hcaptcha' :
+		meta.enableRecaptcha ? 'recaptcha' :
+		meta.enableTurnstile ? 'turnstile' :
+		meta.enableMcaptcha ? 'mcaptcha' : null;
 }
 
 function save() {
@@ -103,6 +131,10 @@ function save() {
 		enableHcaptcha: provider.value === 'hcaptcha',
 		hcaptchaSiteKey: hcaptchaSiteKey.value,
 		hcaptchaSecretKey: hcaptchaSecretKey.value,
+		enableMcaptcha: provider.value === 'mcaptcha',
+		mcaptchaSiteKey: mcaptchaSiteKey.value,
+		mcaptchaSecretKey: mcaptchaSecretKey.value,
+		mcaptchaInstanceUrl: mcaptchaInstanceUrl.value,
 		enableRecaptcha: provider.value === 'recaptcha',
 		recaptchaSiteKey: recaptchaSiteKey.value,
 		recaptchaSecretKey: recaptchaSecretKey.value,
diff --git a/packages/frontend/src/pages/admin/security.vue b/packages/frontend/src/pages/admin/security.vue
index ec0c6166d0..a691d8ea1e 100644
--- a/packages/frontend/src/pages/admin/security.vue
+++ b/packages/frontend/src/pages/admin/security.vue
@@ -13,6 +13,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<template #icon><i class="ti ti-shield"></i></template>
 					<template #label>{{ i18n.ts.botProtection }}</template>
 					<template v-if="enableHcaptcha" #suffix>hCaptcha</template>
+					<template v-else-if="enableMcaptcha" #suffix>mCaptcha</template>
 					<template v-else-if="enableRecaptcha" #suffix>reCAPTCHA</template>
 					<template v-else-if="enableTurnstile" #suffix>Turnstile</template>
 					<template v-else #suffix>{{ i18n.ts.none }} ({{ i18n.ts.notRecommended }})</template>
@@ -155,6 +156,7 @@ import { definePageMetadata } from '@/scripts/page-metadata.js';
 
 const summalyProxy = ref<string>('');
 const enableHcaptcha = ref<boolean>(false);
+const enableMcaptcha = ref<boolean>(false);
 const enableRecaptcha = ref<boolean>(false);
 const enableTurnstile = ref<boolean>(false);
 const sensitiveMediaDetection = ref<string>('none');
@@ -174,6 +176,7 @@ async function init() {
 	const meta = await misskeyApi('admin/meta');
 	summalyProxy.value = meta.summalyProxy;
 	enableHcaptcha.value = meta.enableHcaptcha;
+	enableMcaptcha.value = meta.enableMcaptcha;
 	enableRecaptcha.value = meta.enableRecaptcha;
 	enableTurnstile.value = meta.enableTurnstile;
 	sensitiveMediaDetection.value = meta.sensitiveMediaDetection;
-- 
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