3005a39f07
* Switch to using server API to determine redirect location * Update redux to add version check for getRedirectLocation
127 lines
3.5 KiB
JavaScript
127 lines
3.5 KiB
JavaScript
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
|
|
// See LICENSE.txt for license information.
|
|
|
|
import {latinise} from './latinise.js';
|
|
import {escapeRegex} from './markdown';
|
|
|
|
import {Files} from 'mattermost-redux/constants';
|
|
|
|
const ytRegex = /(?:http|https):\/\/(?:www\.|m\.)?(?:(?:youtube\.com\/(?:(?:v\/)|(?:(?:watch|embed\/watch)(?:\/|.*v=))|(?:embed\/)|(?:user\/[^/]+\/u\/[0-9]\/)))|(?:youtu\.be\/))([^#&?]*)/;
|
|
|
|
export function isValidUrl(url = '') {
|
|
const regex = /^https?:\/\//i;
|
|
return regex.test(url);
|
|
}
|
|
|
|
export function stripTrailingSlashes(url = '') {
|
|
return url.replace(/ /g, '').replace(/^\/+/, '').replace(/\/+$/, '');
|
|
}
|
|
|
|
export function removeProtocol(url = '') {
|
|
return url.replace(/(^\w+:|^)\/\//, '');
|
|
}
|
|
|
|
export function extractFirstLink(text) {
|
|
const pattern = /(^|[\s\n]|<br\/?>)((?:https?|ftp):\/\/[-A-Z0-9+\u0026\u2019@#/%?=()~_|!:,.;]*[-A-Z0-9+\u0026@#/%=~()_|])/i;
|
|
let inText = text;
|
|
|
|
// strip out code blocks
|
|
inText = inText.replace(/`[^`]*`/g, '');
|
|
|
|
// strip out inline markdown images
|
|
inText = inText.replace(/!\[[^\]]*]\([^)]*\)/g, '');
|
|
|
|
const match = pattern.exec(inText);
|
|
if (match) {
|
|
return match[0].trim();
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
export function isYoutubeLink(link) {
|
|
return link.trim().match(ytRegex);
|
|
}
|
|
|
|
export function isImageLink(link) {
|
|
let linkWithoutQuery = link;
|
|
if (link.indexOf('?') !== -1) {
|
|
linkWithoutQuery = linkWithoutQuery.split('?')[0];
|
|
}
|
|
|
|
for (let i = 0; i < Files.IMAGE_TYPES.length; i++) {
|
|
const imageType = Files.IMAGE_TYPES[i];
|
|
|
|
if (linkWithoutQuery.endsWith('.' + imageType) || linkWithoutQuery.endsWith('=' + imageType)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// Converts the protocol of a link (eg. http, ftp) to be lower case since
|
|
// Android doesn't handle uppercase links.
|
|
export function normalizeProtocol(url) {
|
|
const index = url.indexOf(':');
|
|
if (index === -1) {
|
|
// There's no protocol on the link to be normalized
|
|
return url;
|
|
}
|
|
|
|
const protocol = url.substring(0, index);
|
|
return protocol.toLowerCase() + url.substring(index);
|
|
}
|
|
|
|
export function getShortenedURL(url = '', getLength = 27) {
|
|
if (url.length > 35) {
|
|
const subLength = getLength - 14;
|
|
return url.substring(0, 10) + '...' + url.substring(url.length - subLength, url.length) + '/';
|
|
}
|
|
return url + '/';
|
|
}
|
|
|
|
export function cleanUpUrlable(input) {
|
|
var cleaned = latinise(input);
|
|
cleaned = cleaned.trim().replace(/-/g, ' ').replace(/[^\w\s]/gi, '').toLowerCase().replace(/\s/g, '-');
|
|
cleaned = cleaned.replace(/-{2,}/, '-');
|
|
cleaned = cleaned.replace(/^-+/, '');
|
|
cleaned = cleaned.replace(/-+$/, '');
|
|
return cleaned;
|
|
}
|
|
|
|
export function getScheme(url) {
|
|
const match = (/([a-z0-9+.-]+):/i).exec(url);
|
|
|
|
return match && match[1];
|
|
}
|
|
|
|
export function matchPermalink(link, rootURL) {
|
|
if (!rootURL) {
|
|
return null;
|
|
}
|
|
|
|
return new RegExp('^' + escapeRegex(rootURL) + '\\/([^\\/]+)\\/pl\\/(\\w+)').exec(link);
|
|
}
|
|
|
|
export function getYouTubeVideoId(link) {
|
|
// https://youtube.com/watch?v=<id>
|
|
let match = (/youtube\.com\/watch\?\S*\bv=([a-zA-Z0-9_-]{6,11})/g).exec(link);
|
|
if (match) {
|
|
return match[1];
|
|
}
|
|
|
|
// https://youtube.com/embed/<id>
|
|
match = (/youtube\.com\/embed\/([a-zA-Z0-9_-]{6,11})/g).exec(link);
|
|
if (match) {
|
|
return match[1];
|
|
}
|
|
|
|
// https://youtu.be/<id>
|
|
match = (/youtu.be\/([a-zA-Z0-9_-]{6,11})/g).exec(link);
|
|
if (match) {
|
|
return match[1];
|
|
}
|
|
|
|
return '';
|
|
}
|