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Add some basic support for Linked Data (Structured Email) #1422

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the-djmaze 2024-02-05 14:52:23 +01:00
parent ea07ea45b8
commit be633f78a7
5 changed files with 322 additions and 3 deletions
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21
dev/Common/Html.js
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@ -1,5 +1,5 @@
import { createElement } from 'Common/Globals';
import { forEachObjectEntry, pInt } from 'Common/Utils';
import { forEachObjectEntry, isArray, pInt } from 'Common/Utils';
import { SettingsUserStore } from 'Stores/User/Settings';
const
@ -207,7 +207,8 @@ export const
bqLevel = parseInt(SettingsUserStore.maxBlockquotesLevel()),
result = {
hasExternals: false
hasExternals: false,
linkedData: []
},
findAttachmentByCid = cId => oAttachments.findByCid(cId),
@ -269,6 +270,7 @@ export const
// Not supported by <template> element
// .replace(/<!doctype[^>]*>/gi, '')
// .replace(/<\?xml[^>]*\?>/gi, '')
.replace(/<(\/?)head(\s[^>]*)?>/gi, '')
.replace(/<(\/?)body(\s[^>]*)?>/gi, '<$1div class="mail-body"$2>')
// .replace(/<\/?(html|head)[^>]*>/gi, '')
// Fix Reddit https://github.com/the-djmaze/snappymail/issues/540
@ -284,6 +286,21 @@ export const
nodeIterator.referenceNode.remove();
}
/**
* Basic support for Linked Data (Structured Email)
* https://json-ld.org/
* https://structured.email/
**/
tmpl.content.querySelectorAll('script[type="application/ld+json"]').forEach(oElement => {
// Could be array of objects or single object
try {
const data = JSON.parse(oElement.textContent);
(isArray(data) ? data : [data]).forEach(entry => result.linkedData.push(entry));
} catch (e) {
console.error(e, oElement.textContent);
}
});
tmpl.content.querySelectorAll(
disallowedTags
+ (0 < bqLevel ? ',' + (new Array(1 + bqLevel).fill('blockquote').join(' ')) : '')