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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /browser/extensions/screenshots/selector/documentMetadata.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | browser/extensions/screenshots/selector/documentMetadata.js | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/browser/extensions/screenshots/selector/documentMetadata.js b/browser/extensions/screenshots/selector/documentMetadata.js new file mode 100644 index 0000000000..fe75b2bbae --- /dev/null +++ b/browser/extensions/screenshots/selector/documentMetadata.js @@ -0,0 +1,93 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +this.documentMetadata = (function () { + function findSiteName() { + let el = document.querySelector("meta[property~='og:site_name'][content]"); + if (el) { + return el.getAttribute("content"); + } + // nytimes.com uses this property: + el = document.querySelector("meta[name='cre'][content]"); + if (el) { + return el.getAttribute("content"); + } + return null; + } + + function getOpenGraph() { + const openGraph = {}; + // If you update this, also update _OPENGRAPH_PROPERTIES in shot.js: + const forceSingle = `title type url`.split(" "); + const openGraphProperties = ` + title type url image audio description determiner locale site_name video + image:secure_url image:type image:width image:height + video:secure_url video:type video:width image:height + audio:secure_url audio:type + article:published_time article:modified_time article:expiration_time article:author article:section article:tag + book:author book:isbn book:release_date book:tag + profile:first_name profile:last_name profile:username profile:gender + `.split(/\s+/g); + for (const prop of openGraphProperties) { + let elems = document.querySelectorAll( + `meta[property~='og:${prop}'][content]` + ); + if (forceSingle.includes(prop) && elems.length > 1) { + elems = [elems[0]]; + } + let value; + if (elems.length > 1) { + value = []; + for (const elem of elems) { + const v = elem.getAttribute("content"); + if (v) { + value.push(v); + } + } + if (!value.length) { + value = null; + } + } else if (elems.length === 1) { + value = elems[0].getAttribute("content"); + } + if (value) { + openGraph[prop] = value; + } + } + return openGraph; + } + + function getTwitterCard() { + const twitterCard = {}; + // If you update this, also update _TWITTERCARD_PROPERTIES in shot.js: + const properties = ` + card site title description image + player player:width player:height player:stream player:stream:content_type + `.split(/\s+/g); + for (const prop of properties) { + const elem = document.querySelector( + `meta[name='twitter:${prop}'][content]` + ); + if (elem) { + const value = elem.getAttribute("content"); + if (value) { + twitterCard[prop] = value; + } + } + } + return twitterCard; + } + + return function documentMetadata() { + const result = {}; + result.docTitle = document.title; + result.siteName = findSiteName(); + result.openGraph = getOpenGraph(); + result.twitterCard = getTwitterCard(); + return result; + }; +})(); +null; |