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add support for web request header filtering - firefox-fix-web - Firefox extens… |
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git clone git://git.codemadness.org/firefox-fix-web |
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Log |
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Files |
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README |
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LICENSE |
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--- |
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commit c1a70013f87cc63d47ae971168b21aa31ba3ca67 |
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parent f0549950ceb52a2e435fb476d3288932feee9e76 |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Sun, 22 Mar 2020 23:32:17 +0100 |
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add support for web request header filtering |
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For now only used for setting the User-Agent. It detects the current running |
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versions, but spoofs the rest. By default Windows is used. |
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For twitter.com the User-Agent is reset so it doesn't redirect and doesn't |
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give an annoying message. |
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Diffstat: |
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A extension/background.js | 54 +++++++++++++++++++++++++++++… |
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M extension/manifest.json | 4 ++-- |
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2 files changed, 56 insertions(+), 2 deletions(-) |
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--- |
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diff --git a/extension/background.js b/extension/background.js |
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@@ -0,0 +1,54 @@ |
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+browser.runtime.getBrowserInfo().then(main); |
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+ |
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+function main(info) { |
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+ |
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+/* get current running Firefox version, to always keep up-to-date */ |
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+var ff_version = info.version || "72.0"; |
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+ |
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+/* User-Agent's */ |
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+var ua_windows = "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:" + ff_version +… |
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+var ua_openbsd = "Mozilla/5.0 (X11; OpenBSD amd64; rv:" + ff_version + ") Geck… |
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+var ua_none = ""; |
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+var ua_default = ua_windows; |
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+ |
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+var prefix = "^(http|https):\/\/([^\.]+\.)?"; // HTTP and HTTPS, optional subd… |
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+var patterns = [ |
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+ // Twitter: remove User-Agent, this prevents an annoying redirect to "… |
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+ { |
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+ "re": new RegExp(prefix + "twitter\.com\/.*"), |
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+ "ua": ua_none |
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+ } |
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+]; |
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+ |
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+function rewriteua(e) { |
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+ var headers = e.requestHeaders; |
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+ for (var j = 0; j < headers.length; j++) { |
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+ var header = headers[j]; |
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+ if (header.name.toLowerCase() !== "user-agent") |
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+ continue; |
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+ var ua = ua_default; |
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+ var url = e.originUrl || e.url || ""; |
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+ for (var p of patterns) { |
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+ var m = p.re.exec(url); |
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+ if (m === null) |
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+ continue; |
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+ ua = p.ua; |
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+ break; |
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+ } |
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+ if (ua !== "") |
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+ header.value = ua; |
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+ else |
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+ delete headers[j]; |
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+ } |
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+ |
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+// console.log(e); // DEBUG |
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+ return { requestHeaders: headers }; |
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+} |
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+ |
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+chrome.webRequest.onBeforeSendHeaders.addListener( |
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+ rewriteua, |
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+ { urls: [ "<all_urls>" ]}, |
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+ ["blocking", "requestHeaders"] |
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+); |
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+ |
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+} |
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diff --git a/extension/manifest.json b/extension/manifest.json |
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@@ -3,8 +3,8 @@ |
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"name": "fix-web", |
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"version": "1.0", |
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"description": "Scripts to make the web suck less and fixup some thing… |
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- "permissions": [ "activeTab" ], |
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- "background": { "scripts": [] }, |
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+ "permissions": [ "<all_urls>", "webRequest", "webRequestBlocking" ], |
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+ "background": { "scripts": [ "background.js" ] }, |
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"applications": { |
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"gecko": { |
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"id": "[email protected]" |
