mirror of
https://github.com/aureliendavid/rsspreview.git
synced 2025-08-23 19:58:38 +00:00
44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
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function detectFeed(event) {
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// force application/rss+xml to text/xml so the browser displays it instead of downloading
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var isfeed = false;
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for (var header of event.responseHeaders) {
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if (header.name.toLowerCase() == "content-type") {
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header.value = header.value.replace(/application\/(rss|atom)\+xml/,'text/xml');
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isfeed = true;
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break;
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}
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}
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if (isfeed) {
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for (var i = 0; i < event.responseHeaders.length; i++) {
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if (event.responseHeaders[i].name.toLowerCase() == "cache-control") {
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event.responseHeaders.splice(i, 1);
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break;
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}
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}
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// don't cache requests we modified
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// otherwise on reload the content-type won't be modified again
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event.responseHeaders.push({ name : "Cache-Control", value : "no-cache, no-store, must-revalidate" });
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}
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return {
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responseHeaders: event.responseHeaders
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};
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}
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const browser = window.browser || window.chrome;
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browser.webRequest.onHeadersReceived.addListener(
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detectFeed,
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{ urls: ["<all_urls>"], types: ["main_frame"] },
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["blocking", "responseHeaders"]
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)
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