101 lines
2.9 KiB
JavaScript
101 lines
2.9 KiB
JavaScript
// @flow
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import { KNOWN_APP_DOMAINS } from 'config';
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import * as ICONS from 'constants/icons';
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import * as React from 'react';
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import { isURIValid } from 'lbry-redux';
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import Button from 'component/button';
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import ClaimLink from 'component/claimLink';
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type Props = {
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href: string,
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title?: string,
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embed?: boolean,
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children: React.Node,
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parentCommentId?: string,
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isMarkdownPost?: boolean,
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simpleLinks?: boolean,
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};
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function MarkdownLink(props: Props) {
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const { children, href, title, embed = false, parentCommentId, isMarkdownPost, simpleLinks = false } = props;
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let decodedUri;
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try {
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decodedUri = decodeURI(href);
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} catch (e) {}
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if (!href || !decodedUri) {
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return children || null;
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}
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let element = <span>{children}</span>;
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// Regex for url protocol
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const protocolRegex = new RegExp('^(https?|lbry|mailto)+:', 'i');
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const protocol = href ? protocolRegex.exec(href) : null;
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let linkUrlObject;
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try {
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linkUrlObject = new URL(decodedUri);
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} catch (e) {}
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let lbryUrlFromLink;
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if (linkUrlObject && !href.startsWith('mailto:')) {
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const linkDomain = linkUrlObject.host;
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const isKnownAppDomainLink = KNOWN_APP_DOMAINS.includes(linkDomain);
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if (isKnownAppDomainLink) {
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let linkPathname;
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try {
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// This could be anything
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linkPathname = decodeURIComponent(
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linkUrlObject.pathname.startsWith('//') ? linkUrlObject.pathname.slice(2) : linkUrlObject.pathname.slice(1)
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);
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} catch (e) {}
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const linkPathPlusHash = linkPathname ? `${linkPathname}${linkUrlObject.hash}` : undefined;
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const possibleLbryUrl = linkPathPlusHash ? `lbry://${linkPathPlusHash.replace(/:/g, '#')}` : undefined;
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const lbryLinkIsValid = possibleLbryUrl && isURIValid(possibleLbryUrl);
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if (lbryLinkIsValid) {
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lbryUrlFromLink = possibleLbryUrl;
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}
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}
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}
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// Return plain text if no valid url
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// Return external link if protocol is http or https
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// Return local link if protocol is lbry uri
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if (!simpleLinks && ((protocol && protocol[0] === 'lbry:' && isURIValid(decodedUri)) || lbryUrlFromLink)) {
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element = (
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<ClaimLink
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uri={lbryUrlFromLink || decodedUri}
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autoEmbed={embed}
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parentCommentId={parentCommentId}
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isMarkdownPost={isMarkdownPost}
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>
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{children}
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</ClaimLink>
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);
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} else if (
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simpleLinks ||
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(protocol && (protocol[0] === 'http:' || protocol[0] === 'https:' || protocol[0] === 'mailto:'))
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) {
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const isLbryLink = href.startsWith('lbry://');
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element = (
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<Button
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button="link"
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iconRight={isLbryLink ? undefined : ICONS.EXTERNAL}
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title={title || decodedUri}
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label={children}
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className="button--external-link"
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navigate={isLbryLink ? href : undefined}
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href={isLbryLink ? undefined : href}
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/>
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);
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}
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return <>{element}</>;
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}
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export default MarkdownLink;
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