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Fix: Invalid SVG Blob Formatting #41

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Fix: Invalid SVG Blob Formatting #41

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25 changes: 20 additions & 5 deletions source/scripts/content/gps.js
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Original file line number Diff line number Diff line change
Expand Up @@ -87,10 +87,6 @@ function hookGeo(eventName) {
const mimeTypeIndex = injectableMimeTypes.findIndex(mimeType => mimeType.mime.toLowerCase() === typeEl.type.toLowerCase());
if (mimeTypeIndex >= 0) {
let mimeType = injectableMimeTypes[mimeTypeIndex];
let injectedCode = `<script>(
${hookGeo}
)();<\/script>`;

let parser = new DOMParser();
let xmlDoc;
if (mimeType.useXMLparser === true) {
Expand All @@ -100,7 +96,26 @@ function hookGeo(eventName) {
}

if (xmlDoc.getElementsByTagName("parsererror").length === 0) { // if no errors were found while parsing...
xmlDoc.documentElement.insertAdjacentHTML('afterbegin', injectedCode);
if (typeEl.type === "image/svg+xml") {
const scriptElem = xmlDoc.createElementNS(
"http://www.w3.org/2000/svg",
"script",
);
scriptElem.setAttributeNS(null, "type", "application/ecmascript");
scriptElem.innerHTML = `(${hookGeo})();`;
xmlDoc.documentElement.insertBefore(
scriptElem,
xmlDoc.documentElement.firstChild,
);
} else {
const injectedCode = `<script>(
${hookGeo}
)();<\/script>`;
xmlDoc.documentElement.insertAdjacentHTML(
"afterbegin",
injectedCode,
);
}

if (mimeType.useXMLparser === true) {
args[0] = [new XMLSerializer().serializeToString(xmlDoc)];
Expand Down