mirror of
https://git.sdf.org/deCloudflare/deCloudflare/
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e2c115d0f2
Initial commit. Version 0.0.0-prealpha. - Glance over code to make sure it looks sane - Create git repository - Add substantive files - Fix icons (PNG CRC errors) - Add archival copy of xpi from addons.mozilla.org, with metadata - Add README.md, LICENSE.md - NOT YET TESTED BY MAINTAINER (@nym-zone)
33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
/*
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<<< Detect Cloudflare MiTM Attack >>>
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by Sw
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why? because...
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https://trac.torproject.org/projects/tor/ticket/24351
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http://www.crimeflare.com/
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*/
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//===============================================
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function analyzemydata(res){
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//console.log("mitmdetector: scanning: "+res.url);
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var cflink=document.createElement('a');cflink.setAttribute('href',res.url);
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var cf_hostname=cflink.hostname;
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var cf_protocol=cflink.protocol;
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var cf_gothead=res.responseHeaders;
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cflink=null;
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if ((cf_protocol=='http:'||cf_protocol=='https:') && cf_hostname.length>=4){
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//console.log("mitmdetector: testing...: "+res.url);
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var is_cloudflare_infected=0;// 2 to confirm
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for(var i=0;i<cf_gothead.length;i++){
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var cfv=cf_gothead[i];
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if (cfv['name']=='cf-ray' && cfv['value']!=undefined){is_cloudflare_infected+=1;}
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if (cfv['name']=='server' && cfv['value'].includes("cloudflare")){is_cloudflare_infected+=1;}
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if (is_cloudflare_infected==2){break;}
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}
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if (is_cloudflare_infected>=1){
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console.log('SECURITY_WARN: Cloudflare Detected: '+res.url);
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return {redirectUrl: "https://0.0.0.0/"};// just drop the connection
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}
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}
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return;
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}
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browser.webRequest.onHeadersReceived.addListener(analyzemydata,{urls: ["<all_urls>"]},["blocking","responseHeaders"]);
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//
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