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background.js - firefox-fix-web - Firefox extension: fix web |
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git clone git://git.codemadness.org/firefox-fix-web |
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background.js (2771B) |
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1 /* what this file does: |
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2 - rewrites User-Agent headers. |
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3 - sets consent cookie for Google and Youtube. */ |
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4 |
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5 function main(info) { |
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6 |
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7 /* get current running Firefox version, to always keep up-to-date */ |
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8 var ff_version = info.version || "72.0"; |
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9 |
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10 /* User-Agent's */ |
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11 // Windows 7 (64-bit) |
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12 var ua_windows7 = "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:" + ff_ve… |
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13 // Windows 10 (64-bit) |
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14 var ua_windows10 = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:" + ff_… |
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15 // Windows 10 Chrome, NOTE: update version manually if needed. |
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16 var ua_windows10_chrome = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) App… |
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17 |
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18 // OpenBSD amd64 |
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19 var ua_openbsd = "Mozilla/5.0 (X11; OpenBSD amd64; rv:" + ff_version + "… |
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20 |
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21 var ua_none = ""; |
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22 var ua_default = ua_windows10; |
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23 |
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24 var prefix = "^(http|https):\/\/([^\.]+\.)?"; // HTTP and HTTPS, optiona… |
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25 var patterns = [ |
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26 // Twitter: remove User-Agent, this prevents an annoying redirec… |
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27 { |
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28 "re": new RegExp(prefix + "twitter\.com\/.*"), |
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29 "ua": ua_windows10 |
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30 } |
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31 ]; |
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32 |
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33 function rewriteua(e) { |
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34 var headers = e.requestHeaders; |
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35 for (var j = 0; j < headers.length; j++) { |
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36 var header = headers[j]; |
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37 if (header.name.toLowerCase() !== "user-agent") |
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38 continue; |
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39 var ua = ua_default; |
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40 var url = e.documentUrl || e.url || ""; |
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41 for (var p of patterns) { |
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42 var m = p.re.exec(url); |
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43 if (m === null) |
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44 continue; |
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45 ua = p.ua; |
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46 break; |
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47 } |
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48 if (ua !== "") |
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49 header.value = ua; |
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50 else |
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51 delete headers[j]; |
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52 } |
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53 |
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54 return { requestHeaders: headers }; |
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55 } |
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56 |
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57 chrome.webRequest.onBeforeSendHeaders.addListener( |
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58 rewriteua, |
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59 { urls: [ "<all_urls>" ]}, |
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60 ["blocking", "requestHeaders"] |
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61 ); |
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62 |
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63 // "forced consent"... |
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64 function google_forced_consent(e) { |
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65 var r = parseInt(100+(Math.random() * 899)); |
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66 // var r = 101; |
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67 var value = "CONSENT=YES+cb.20210328-17-p0.en+FX+" + r.toString(… |
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68 var headers = e.requestHeaders; |
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69 var cookieset = 0; |
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70 for (var j = 0; j < headers.length; j++) { |
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71 var header = headers[j]; |
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72 if (header.name.toLowerCase() !== "cookie") |
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73 continue; |
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74 |
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75 header.value = value; |
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76 |
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77 cookieset = 1; |
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78 } |
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79 if (!cookieset) |
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80 headers.set("Cookie", value); |
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81 return { requestHeaders: headers }; |
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82 } |
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83 |
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84 chrome.webRequest.onBeforeSendHeaders.addListener( |
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85 google_forced_consent, |
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86 { |
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87 // urls: [ "<all_urls>" ]}, |
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88 urls: [ |
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89 // "*://*/*", |
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90 "*://*.google.com/*", |
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91 "*://google.com/*", |
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92 "*://*.google.nl/*", |
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93 "*://google.nl/*", |
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94 "*://*.youtube.com/*", |
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95 "*://youtube.com/*", |
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96 "*://*.youtu.be/*", |
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97 "*://youtu.be/*", |
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98 "*://*.gstatic.com/*" |
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99 ] |
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100 }, |
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101 ["blocking", "requestHeaders"] |
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102 ); |
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103 |
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104 } |
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105 |
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106 browser.runtime.getBrowserInfo().then(main); |
