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Strip tags + other drafts. #1258

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Strip tags + other drafts. #1258

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1d5c231
feat(pat-inject): Add new parameter "remove-tags". It takes a comma s…
thet Aug 31, 2025
ff541e8
fix(pat-inject): Re-insert all script tags from the source so that th…
thet Sep 1, 2025
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31 changes: 25 additions & 6 deletions src/pat/inject/inject.js
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ parser.addArgument("class"); // Add a class to the injected content.
parser.addArgument("history", "none", ["none", "record"]);
parser.addArgument("push-marker");
parser.addArgument("scroll");
parser.addArgument("remove-tags", "script", [], true);

// Note: this should not be here but the parser would bail on unknown
// parameters and expand/collapsible need to pass the url to us.
Expand Down Expand Up @@ -818,14 +819,28 @@ const inject = {
elementbefore: "before",
}[cfg.action];

// Inject the content HERE!
target[method](...source_nodes);

if (! cfg.removeTags?.includes("script")) {
// Find and execute scripts
for (const node of source_nodes) {
const scripts = node.querySelectorAll?.("script") || [];
for (const script of scripts) {
const new_script = document.createElement("script");
for (const attr of [...script.attributes]) {
new_script.setAttribute(attr.name, attr.value)
}
new_script.textContent = script.textContent;
script.replaceWith(new_script);
}
}
}

return true;
},

_sourcesFromHtml(html, url, sources) {
const $html = this._parseRawHtml(html, url);
_sourcesFromHtml(html, url, sources, cfg) {
const $html = this._parseRawHtml(html, url, cfg);
return sources.map((source) => {
if (source === "body") {
source = "#__original_body";
Expand Down Expand Up @@ -963,17 +978,21 @@ const inject = {
return page.innerHTML.trim();
},

_parseRawHtml(html, url = "") {
_parseRawHtml(html, url = "", cfg = {}) {
// remove script tags and head and replace body by a div
const title = html.match(/\<title\>(.*)\<\/title\>/);
let clean_html = html
.replace(/<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi, "")
.replace(/<head\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/head>/gi, "")
.replace(/<html([^>]*?)>/gi, "")
.replace(/<\/html([^>]*?)>/gi, "")
.replace(/<body([^>]*?)>/gi, '<div id="__original_body">')
.replace(/<\/body([^>]*?)>/gi, "</div>");

for (const tag of cfg.removeTags || []) {
const re = RegExp(String.raw`<${tag}\b[^<]*(?:(?!<\/${tag}>)<[^<]*)*<\/${tag}>`, "gi")
clean_html = clean_html.replace(re, "");
}

if (title && title.length == 2) {
clean_html = title[0] + clean_html;
}
Expand Down Expand Up @@ -1114,7 +1133,7 @@ const inject = {
sources(cfgs, data) {
const sources = cfgs.map((cfg) => cfg.source);
sources.push("title");
const result = this._sourcesFromHtml(data, cfgs[0].url, sources);
const result = this._sourcesFromHtml(data, cfgs[0].url, sources, cfgs[0]);
return result;
},
},
Expand Down