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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /browser/components/pagedata/OpenGraphPageData.sys.mjs | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/components/pagedata/OpenGraphPageData.sys.mjs')
-rw-r--r-- | browser/components/pagedata/OpenGraphPageData.sys.mjs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/browser/components/pagedata/OpenGraphPageData.sys.mjs b/browser/components/pagedata/OpenGraphPageData.sys.mjs new file mode 100644 index 0000000000..8f8b361799 --- /dev/null +++ b/browser/components/pagedata/OpenGraphPageData.sys.mjs @@ -0,0 +1,46 @@ +/* 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/. */ + +/** + * Collects Open Graph (https://opengraphprotocol.org/) related data from a page. + */ +export const OpenGraphPageData = { + /** + * Collects the opengraph data from the page. + * + * @param {Document} document + * The document to collect from + * + * @returns {PageData} + */ + collect(document) { + let pageData = {}; + + // Sites can technically define an Open Graph prefix other than `og:`. + // However, `og:` is one of the default RDFa prefixes and it's likely + // uncommon that sites use a custom prefix. If we find that metadata is + // missing for common sites due to this issue, we could consider adding a + // basic RDFa parser. + let openGraphTags = document.querySelectorAll("meta[property^='og:'"); + + for (let tag of openGraphTags) { + // Strip "og:" from the property name. + let propertyName = tag.getAttribute("property").substring(3); + + switch (propertyName) { + case "description": + pageData.description = tag.getAttribute("content"); + break; + case "site_name": + pageData.siteName = tag.getAttribute("content"); + break; + case "image": + pageData.image = tag.getAttribute("content"); + break; + } + } + + return pageData; + }, +}; |