[add] Signature model, page & back-end API #55
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| Original file line number | Diff line number | Diff line change |
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| import { observable } from 'mobx'; | ||
| import { BaseModel, persist, restore, toggle } from 'mobx-restful'; | ||
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| import { isServer } from './configuration'; | ||
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| export const buffer2hex = (buffer: ArrayBufferLike) => | ||
| Array.from(new Uint8Array(buffer), x => x.toString(16).padStart(2, '0')).join(''); | ||
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| export class SignatureModel extends BaseModel { | ||
| algorithm = { name: 'ECDSA', namedCurve: 'P-384', hash: { name: 'SHA-256' } }; | ||
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| @persist() | ||
| @observable | ||
| accessor privateKey: CryptoKey | undefined; | ||
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| @persist() | ||
| @observable | ||
| accessor publicKey = ''; | ||
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| @persist() | ||
| @observable | ||
| accessor signatureMap = {} as Record<string, string>; | ||
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| restored = !isServer() && restore(this, 'Signature'); | ||
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| @toggle('uploading') | ||
| async makeKeyPair() { | ||
| await this.restored; | ||
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| if (this.publicKey) return this.publicKey; | ||
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| const { publicKey, privateKey } = await crypto.subtle.generateKey(this.algorithm, true, [ | ||
| 'sign', | ||
| 'verify', | ||
| ]); | ||
| this.privateKey = privateKey; | ||
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| const JWK = await crypto.subtle.exportKey('jwk', publicKey); | ||
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| return (this.publicKey = btoa(JSON.stringify(JWK))); | ||
| } | ||
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| @toggle('uploading') | ||
| async sign(value: string) { | ||
| await this.restored; | ||
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| let signature = this.signatureMap[value]; | ||
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| if (signature) return signature; | ||
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| if (!this.publicKey) await this.makeKeyPair(); | ||
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| const rawSignature = await crypto.subtle.sign( | ||
| this.algorithm, | ||
| this.privateKey!, | ||
| new TextEncoder().encode(value), | ||
| ); | ||
| signature = buffer2hex(rawSignature); | ||
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| this.signatureMap = { ...this.signatureMap, [value]: signature }; | ||
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| return signature; | ||
| } | ||
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| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| import { createKoaRouter, withKoaRouter } from 'next-ssr-middleware'; | ||
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| import { safeAPI } from '../core'; | ||
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| export const config = { api: { bodyParser: false } }; | ||
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| const router = createKoaRouter(import.meta.url); | ||
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| router.post('/verification', safeAPI, async context => { | ||
| const { algorithm, publicKey, value, signature } = Reflect.get(context.request, 'body'); | ||
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| const rawAlgorithm = JSON.parse(atob(algorithm)), | ||
| rawPublicKey = JSON.parse(atob(publicKey)), | ||
| rawSignature = Buffer.from(signature, 'hex'), | ||
| encodedValue = new TextEncoder().encode(value); | ||
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| const key = await crypto.subtle.importKey('jwk', rawPublicKey, rawAlgorithm, true, ['verify']); | ||
| const verified = await crypto.subtle.verify(rawAlgorithm, key, rawSignature, encodedValue); | ||
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| context.status = verified ? 200 : 400; | ||
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| context.body = {}; | ||
| }); | ||
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| export default withKoaRouter(router); | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,76 @@ | ||
| import { computed, observable } from 'mobx'; | ||
| import { textJoin } from 'mobx-i18n'; | ||
| import { observer } from 'mobx-react'; | ||
| import { ObservedComponent } from 'mobx-react-helper'; | ||
| import { compose, RouteProps, router } from 'next-ssr-middleware'; | ||
| import { Container } from 'react-bootstrap'; | ||
| import { buildURLData } from 'web-utility'; | ||
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| import { PageHead } from '../components/Layout/PageHead'; | ||
| import { i18n, I18nContext } from '../models/Translation'; | ||
| import { SignatureModel } from '../models/Signature'; | ||
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| export const getServerSideProps = compose(router); | ||
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| @observer | ||
| export default class SignaturePage extends ObservedComponent<RouteProps, typeof i18n> { | ||
| static contextType = I18nContext; | ||
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| @observable | ||
| accessor signatureStore = new SignatureModel(); | ||
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| @computed | ||
| get linkData() { | ||
| const { route } = this.observedProps; | ||
| const { valueName, algorithmName, publicKeyName, signatureName, value } = route.query, | ||
| { algorithm, publicKey } = this.signatureStore; | ||
| const signature = this.signatureStore.signatureMap[value + '']; | ||
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| return buildURLData({ | ||
| [valueName + '']: value, | ||
| [algorithmName + '']: btoa(JSON.stringify(algorithm)), | ||
| [publicKeyName + '']: publicKey, | ||
| [signatureName + '']: signature, | ||
| }); | ||
| } | ||
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There was a problem hiding this comment. 当查询参数缺失时，
🤖 Prompt for AI Agents |
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| componentDidMount() { | ||
| const { value = '' } = this.props.route.query; | ||
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| if (!value) this.signatureStore.makeKeyPair(); | ||
| else this.signatureStore.sign(value + ''); | ||
| } | ||
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| render() { | ||
| const { t } = this.observedContext, | ||
| { value, iframeLink } = this.props.route.query; | ||
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| const title = value ? textJoin(t('sign'), value + '') : t('generate_key_pair'), | ||
| link = `${iframeLink}?${this.linkData}`; | ||
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| return ( | ||
| <Container> | ||
| <PageHead title={title} /> | ||
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| <h1 className="my-5 text-truncate">{title}</h1> | ||
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| <section className="markdown-body bg-white py-4"> | ||
| <blockquote>{t('signature_disclaimer')}</blockquote> | ||
| <pre> | ||
| <code> | ||
| <a href={link} target="_blank" rel="noopener noreferrer"> | ||
| {link} | ||
| </a> | ||
| </code> | ||
| </pre> | ||
| </section> | ||
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| <iframe | ||
| className="border-0 w-100 vh-100" | ||
| sandbox="allow-scripts allow-same-origin allow-forms" | ||
| src={link} | ||
| /> | ||
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Comment on lines
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There was a problem hiding this comment. 当 如果用户直接访问
应在 🐛 建议修复：条件渲染 iframe 区域 render() {
const { t } = this.observedContext,
{ value, iframeLink } = this.props.route.query;
const title = value ? textJoin(t('sign'), value + '') : t('generate_key_pair'),
- link = `${iframeLink}?${this.linkData}`;
+ link = iframeLink ? `${iframeLink}?${this.linkData}` : '';
return (
<Container>
<PageHead title={title} />
<h1 className="my-5 text-truncate">{title}</h1>
<section className="markdown-body bg-white py-4">
<blockquote>{t('signature_disclaimer')}</blockquote>
- <pre>
- <code>
- <a href={link} target="_blank" rel="noopener noreferrer">
- {link}
- </a>
- </code>
- </pre>
+ {link && (
+ <pre>
+ <code>
+ <a href={link} target="_blank" rel="noopener noreferrer">
+ {link}
+ </a>
+ </code>
+ </pre>
+ )}
</section>
- <iframe
- className="border-0 w-100 vh-100"
- sandbox="allow-scripts allow-same-origin allow-forms"
- src={link}
- />
+ {link && (
+ <iframe
+ className="border-0 w-100 vh-100"
+ sandbox="allow-scripts allow-same-origin allow-forms"
+ src={link}
+ />
+ )}
</Container>
);
}🤖 Prompt for AI Agents |
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| </Container> | ||
| ); | ||
| } | ||
| } | ||
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