1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
<!--
SPDX-FileCopyrightText: syuilo and misskey-project
SPDX-License-Identifier: AGPL-3.0-only
-->
<template>
<div>
<span v-if="!available">Loading<MkEllipsis/></span>
<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, onUnmounted } from 'vue';
import { defaultStore } from '@/store.js';
// APIs provided by Captcha services
export type Captcha = {
render(container: string | Node, options: {
readonly [_ in 'sitekey' | 'theme' | 'type' | 'size' | 'tabindex' | 'callback' | 'expired' | 'expired-callback' | 'error-callback' | 'endpoint']?: unknown;
}): string;
remove(id: string): void;
execute(id: string): void;
reset(id?: string): void;
getResponse(id: string): string;
WidgetInstance(container: string | Node, options: {
readonly [_ in 'sitekey' | 'doneCallback' | 'errorCallback' | 'puzzleEndpoint']?: unknown;
}): void;
};
export type CaptchaProvider = 'hcaptcha' | 'recaptcha' | 'turnstile' | 'mcaptcha' | 'fc';
type CaptchaContainer = {
readonly [_ in CaptchaProvider]?: Captcha;
};
declare global {
interface Window extends CaptchaContainer { }
}
const props = defineProps<{
provider: CaptchaProvider;
sitekey: string | null; // null will show error on request
instanceUrl?: string | null;
modelValue?: string | null;
}>();
const emit = defineEmits<{
(ev: 'update:modelValue', v: string | null): void;
}>();
const available = ref(false);
const captchaEl = shallowRef<HTMLDivElement | undefined>();
const variable = computed(() => {
switch (props.provider) {
case 'hcaptcha': return 'hcaptcha';
case 'recaptcha': return 'grecaptcha';
case 'turnstile': return 'turnstile';
case 'mcaptcha': return 'mcaptcha';
case 'fc': return 'friendlyChallenge';
}
});
const loaded = !!window[variable.value];
const src = computed(() => {
switch (props.provider) {
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 'fc': return 'https://cdn.jsdelivr.net/npm/friendly-challenge@0.9.18/widget.min.js';
case 'mcaptcha': return null;
}
});
const scriptId = computed(() => `script-${props.provider}`);
const captcha = computed<Captcha>(() => window[variable.value] || {} as unknown as Captcha);
if (loaded || props.provider === 'mcaptcha') {
available.value = true;
} else if (src.value !== null) {
(document.getElementById(scriptId.value) ?? document.head.appendChild(Object.assign(document.createElement('script'), {
async: true,
id: scriptId.value,
src: src.value,
})))
.addEventListener('load', () => available.value = true);
}
function reset() {
if (captcha.value.reset) captcha.value.reset();
}
async function requestRender() {
if (captcha.value.render && captchaEl.value instanceof Element) {
captcha.value.render(captchaEl.value, {
sitekey: props.sitekey,
theme: defaultStore.state.darkMode ? 'dark' : 'light',
callback: callback,
'expired-callback': callback,
'error-callback': callback,
});
} else if (props.provider === 'mcaptcha' && props.instanceUrl && props.sitekey) {
const { default: Widget } = await import('@mcaptcha/vanilla-glue');
new Widget({
siteKey: {
instanceUrl: new URL(props.instanceUrl),
key: props.sitekey,
},
});
} else if (variable.value === 'friendlyChallenge' && captchaEl.value instanceof Element) {
new captcha.value.WidgetInstance(captchaEl.value, {
sitekey: props.sitekey,
doneCallback: callback,
errorCallback: callback,
});
// The following line is needed so that the design gets applied without it the captcha will look broken
captchaEl.value.className = 'frc-captcha';
} else {
window.setTimeout(requestRender, 1);
}
}
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(message.data.token);
}
}
}
onMounted(() => {
if (available.value) {
window.addEventListener('message', onReceivedMessage);
requestRender();
} else {
watch(available, requestRender);
}
});
onUnmounted(() => {
window.removeEventListener('message', onReceivedMessage);
});
onBeforeUnmount(() => {
reset();
});
defineExpose({
reset,
});
</script>
|
