├── .gitignore
├── README.md
├── icon16.png
├── icon48.png
├── icon128.png
├── icon48-warning.png
├── manifest.json
├── LICENSE
├── background.js
├── popup.js
└── popup.html
/.gitignore:
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1 | .DS_Store
2 |
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/README.md:
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1 | # url-throttler
2 | Chrome extension to throttle specific URLs
3 |
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/icon16.png:
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https://raw.githubusercontent.com/severest/url-throttler/HEAD/icon16.png
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/icon48.png:
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https://raw.githubusercontent.com/severest/url-throttler/HEAD/icon48.png
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/icon128.png:
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https://raw.githubusercontent.com/severest/url-throttler/HEAD/icon128.png
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/icon48-warning.png:
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https://raw.githubusercontent.com/severest/url-throttler/HEAD/icon48-warning.png
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/manifest.json:
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1 | {
2 | "manifest_version": 2,
3 | "name": "URL Throttler",
4 | "description": "An extension that lets you delay the response from specific URLs",
5 | "version": "2.0.0",
6 | "icons": {
7 | "16": "icon16.png",
8 | "48": "icon48.png",
9 | "128": "icon128.png"
10 | },
11 | "permissions": [
12 | "webRequest",
13 | "webRequestBlocking",
14 | "storage",
15 | "https://*/*",
16 | "http://*/*"
17 | ],
18 | "browser_action": {
19 | "default_title": "URL Throttler",
20 | "default_popup": "popup.html"
21 | },
22 | "background": {
23 | "scripts": ["background.js"]
24 | },
25 | "content_security_policy": "script-src 'self' 'unsafe-eval' https://cdnjs.cloudflare.com; object-src 'self'"
26 | }
27 |
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/LICENSE:
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1 | MIT License
2 |
3 | Copyright (c) 2020 Sean Everest
4 |
5 | Permission is hereby granted, free of charge, to any person obtaining a copy
6 | of this software and associated documentation files (the "Software"), to deal
7 | in the Software without restriction, including without limitation the rights
8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 |
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 |
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 |
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/background.js:
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1 | const delay = (ms) => {
2 | const startPoint = new Date().getTime()
3 | while (new Date().getTime() - startPoint <= ms) {/* wait */}
4 | }
5 |
6 | function matchRuleShort(str, rule) {
7 | return new RegExp(str.replace(/\*/g, "[^ ]*")).test(rule);
8 | }
9 |
10 | let handler;
11 | chrome.storage.onChanged.addListener(function(changes, namespace) {
12 | if (changes.hasOwnProperty('requestThrottler')) {
13 | const throttlerConfig = changes.requestThrottler.newValue;
14 | if (handler) {
15 | chrome.webRequest.onBeforeRequest.removeListener(handler);
16 | handler = null;
17 | }
18 |
19 | const urls = throttlerConfig.urls.filter((u) => !u.error && u.url !== '' && u.checked).map((u) => u.url.trim());
20 |
21 | if (throttlerConfig.enabled && urls.length > 0) {
22 | chrome.browserAction.setIcon({path: 'icon48-warning.png'});
23 | handler = (info) => {
24 | //ex: {checked: true, delay: '10000', error: false, url: 'https://stackoverflow.com/tags'}
25 | const thisUrlConfig = throttlerConfig.urls.filter((item) => item.checked && matchRuleShort(item.url, info.url))[0];
26 |
27 | if(thisUrlConfig && thisUrlConfig.checked) {
28 | const thisUrlDelay = thisUrlConfig.delay || throttlerConfig.defaultDelay;
29 | console.log(`URL Throttler: Intercepted ${info.url}, going to wait ${thisUrlDelay} ms...`);
30 | delay(thisUrlDelay);
31 | console.log('URL Throttler: Done');
32 | }
33 | return;
34 | };
35 | console.log('Blocking urls', urls);
36 | chrome.webRequest.onBeforeRequest.addListener(
37 | handler,
38 | // filters
39 | {
40 | urls: urls,
41 | },
42 | // extraInfoSpec
43 | ["blocking"]
44 | );
45 | } else {
46 | chrome.browserAction.setIcon({path: 'icon48.png'});
47 | }
48 | }
49 | });
50 |
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/popup.js:
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1 | const defaultURL = {
2 | url: '',
3 | error: false,
4 | };
5 | const urlRegex = /^(https?|\*):\/\/.*\/.*$/;
6 | var lastChangeTarget;
7 | let fadeOut = (target) => setInterval(function () {
8 | if (target.style.opacity > 0) {
9 | target.style.opacity -= 0.1;
10 | } else {
11 | clearInterval(fadeEffect);
12 | target.innerHTML = "";
13 | }
14 | }, 250);
15 |
16 | chrome.storage.local.get(['requestThrottler'], (result) => {
17 | const data = Object.assign(
18 | {}, {
19 | enabled: false,
20 | urls: [{ ...defaultURL }],
21 | defaultDelay: 2000,
22 | },
23 | result.requestThrottler
24 | );
25 | var app = new Vue({
26 | el: '#app',
27 | data: data,
28 | methods: {
29 | applyConfig: function() {
30 | let newConfig = prompt('Please input new config (it should appear in JSON format as in example below), or leave as {} to reset.\n\n{"defaultDelay":"5000","enabled":true,"urls":[{"checked":true,"error":false,"url":"*://*/api/foo"},{"checked":true,"delay":"2000","error":false,"url":"https://joecoyle.net/api/bar"}]}\n', "{}");
31 | if(newConfig) {
32 | try {
33 | chrome.storage.local.set({'requestThrottler': JSON.parse(newConfig)}, function() {
34 | location.reload();
35 | });
36 | } catch {
37 | alert("Error applying config. Is your JSON formatting correct?");
38 | }
39 | }
40 | },
41 | copyCurrentConfig: function() {
42 | chrome.storage.local.get((config) => {
43 | navigator.clipboard.writeText(JSON.stringify(config["requestThrottler"]));
44 | lastChangeTarget = document.getElementById("messageDisplay");
45 | lastChangeTarget.innerHTML = "Configuration copied to clipboard";
46 | lastChangeTarget.style.opacity = 1;
47 | fadeOut(lastChangeTarget);
48 | });
49 | },
50 | addUrlInput: function() {
51 | this.urls = this.urls.concat({ ...defaultURL });
52 | },
53 | removeUrlInput: function(index) {
54 | this.urls.splice(index, 1);
55 | },
56 | updateStorage: function(newStorage) {
57 | chrome.storage.local.set(newStorage);
58 | }
59 | },
60 | updated: _.debounce(function() {
61 | chrome.storage.local.get((currStorage) => {
62 | var newStorage = {requestThrottler: {
63 | defaultDelay: this.defaultDelay,
64 | enabled: this.enabled,
65 | urls: this.urls,
66 | }};
67 |
68 | if(JSON.stringify(currStorage) != JSON.stringify(newStorage)) {
69 | this.updateStorage(newStorage);
70 |
71 | lastChangeTarget = document.getElementById("messageDisplay");
72 | lastChangeTarget.innerHTML = "Changes saved @ " + (new Date).toLocaleTimeString();
73 | lastChangeTarget.style.opacity = 1;
74 | fadeOut(lastChangeTarget);
75 | }
76 | });
77 | }, 700)
78 | });
79 | });
80 |
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/popup.html:
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81 |
Delay (ms):
82 |
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84 |
85 |
URLs:
86 |
87 | URLs must use the Match pattern syntax.
88 |
89 | Examples:
90 |
91 | http://127.0.0.1/*
92 |
93 | *://*/api/foo
94 |
95 | If no delay is specified below, delay will default to the value specified above.
96 |