Make request identical to real requests

- Set values from 0.5 to 10 with 0.5 step
- Add random increment equal to 10% of frequency parameter

manifest.json

@@ -1,7 +1,7 @@
 {
     "manifest_version": 3,
     "name": "not-a-rescheduler",
-    "version": "0.0.2",
+    "version": "0.0.4",
     "permissions": [ "storage", "tabs", "activeTab", "notifications", "declarativeContent" ],
     "content_scripts": [
         {

popup/popup.html

@@ -55,7 +55,7 @@
                 <label for="frequency">Check frequency<br>(every <span id="frequency_info">N</span> minutes)</label>
             </div>
             <div class="col">
-                <input type="range" id="frequency" name="frequency" min="1" max="15" step="1">
+                <input type="range" id="frequency" name="frequency" min="0.5" max="10" step="0.5">
             </div>
         </div>
         <div class="row">

scripts/content.js

@@ -5,6 +5,7 @@ const pathnameRegex = /^\/\w{2}-\w{2}\/n?iv/;
 const MAX_SIGNIN_ATTEMPTS = 1;
 const PAGE_WAIT_TIME = 3792;
 const MINUTE = 60;
+const RANDOM_JITTER = 0.1;
 const SOFT_BAN_TIMEOUT = 27;
 const NOTIF_CHANNEL = "snegov_test"
 
@@ -44,11 +45,15 @@ function getRandomInt(max) {
     return Math.floor(Math.random() * Math.floor(max));
 }
 
+
+function getJitter(frequency) {
+    return frequency * MINUTE * RANDOM_JITTER;
+}
+
 function getFutureDate(minutes, maxRandomSeconds = 0) {
     // return date some amount of minutes in future plus random amount of seconds
     let futureDate = new Date();
-    futureDate.setMinutes(futureDate.getMinutes() + minutes);
+    futureDate.setSeconds(futureDate.getSeconds() + minutes * MINUTE + getRandomInt(maxRandomSeconds));
-    futureDate.setSeconds(futureDate.getSeconds() + getRandomInt(maxRandomSeconds));
     return futureDate.toISOString();
 }
 
@@ -86,7 +91,7 @@ function getPathnameParts(pathname) {
     let pathParts = pathname.split('/');
     let locale = pathParts[1] || 'en-us';
     let visaType = pathParts[2] || 'niv';
-    return { locale, visaType };
+    return [ locale, visaType ];
 }
 
 function isSignInPage() {
@@ -124,10 +129,8 @@ async function handleHttpError(e) {
         console.log(msg);
         await sendNotification(msg);
         await logOut();
-        return null;
     } else {
         console.error(e);
-        return null;
     }
 }
 
@@ -195,7 +198,7 @@ async function getConsulates() {
             "isSelected": option.selected,
             "bestDate": null,
             "currentDate": null,
-            "nextCheckAt": getFutureDate(0, config.frequency * MINUTE),
+            "nextCheckAt": getFutureDate(0, getJitter(config.frequency)),
             "autobook": false,
         };
     }
@@ -203,15 +206,27 @@ async function getConsulates() {
 }
 
 async function getAvailableDates(consulateId) {
-    let uri = window.location.pathname + `/days/${consulateId}.json?appointments[expedite]=false`
+    let addressUri = window.location.pathname + `/address/${consulateId}`
-    let dates = fetch(uri, { headers: { "x-requested-with": "XMLHttpRequest" }})
+    fetch(addressUri, { headers: { "x-requested-with": "XMLHttpRequest" } })
+        .catch(error => console.error('Error:', error));
+
+    let datesUri = window.location.pathname + `/days/${consulateId}.json?appointments[expedite]=false`
+    let dates = fetch(datesUri, { headers: {
+            "x-requested-with": "XMLHttpRequest",
+            "accept": "application/json, text/javascript, */*; q=0.01",
+            // "cache-control": "no-cache",
+        }})
         .then(d => d.json())
+        .catch(async e => {
+            await handleHttpError(e);
+            throw e;
+        })
         .then(data => {
             let dateList = data.map(item => item.date);
             dateList.sort();
             return dateList;
         })
-        .catch(async e => handleHttpError(e));
+        .catch(e => null);
     return dates;
 }
 
@@ -229,8 +244,12 @@ async function getAvailableTimes(consulateId, date) {
     let uri = window.location.pathname + `/times/${consulateId}.json?date=${date}&appointments[expedite]=false`
     let times = await fetch(uri, { headers: { "x-requested-with": "XMLHttpRequest" } })
         .then(d => d.json())
+        .catch(async e => {
+            await handleHttpError(e);
+            throw e;
+        })
         .then(data => data.available_times)
-        .catch(e => handleHttpError(e));
+        .catch(e => null);
     return times;
 }
 
@@ -247,7 +266,7 @@ async function runner() {
     config.activate = result['__activate'] || false;
     config.username = result['__username'] || "";
     config.password = result['__password'] || "";
-    config.frequency = parseInt(result['__frequency'] || 1);
+    config.frequency = parseFloat(result['__frequency'] || 1);
     config.signinAttempts = result['__signinAttempts'] || 0;
     config.apptId = result['__apptId'] || null;
     config.currentAppt = result['__currentAppt'] || { consulate: null, date: null };
@@ -278,7 +297,7 @@ async function runner() {
             if (key === 'frequency') {
                 let wasChanged = false;
                 for (let consulate in config.consulates) {
-                    let newNextCheckAt = getFutureDate(config.frequency, 10);
+                    let newNextCheckAt = getFutureDate(config.frequency, getJitter(config.frequency));
                     if (config.consulates[consulate].nextCheckAt > newNextCheckAt) {
                         config.consulates[consulate].nextCheckAt = newNextCheckAt;
                         wasChanged = true;
@@ -334,6 +353,7 @@ async function runner() {
     if (currentHourUTC >= 23 || currentHourUTC < 9) {
         // Continue running the code
     } else {
+        await chrome.storage.local.set({ "__status": "not operational hours" });
         isRunning = false;
         return;
     }
@@ -507,7 +527,7 @@ async function runner() {
             console.log(msg);
             await chrome.storage.local.set({ "__status": msg });
             let availDates = await getAvailableDates(config.consulates[consulate].id);
-            config.consulates[consulate].nextCheckAt = getFutureDate(config.frequency, 10);
+            config.consulates[consulate].nextCheckAt = getFutureDate(config.frequency, getJitter(config.frequency));
 
             if (!availDates) {
                 msg = `Failed to fetch available dates in ${consulate}`;
@@ -529,7 +549,7 @@ async function runner() {
 
                 // Only set SOFT_BAN_TIMEOUT if it's not the first 5 minutes of 23pm UTC
                 if (!(currentHourUTC === 23 && currentMinuteUTC < 5)) {
-                    config.consulates[consulate].nextCheckAt = getFutureDate(SOFT_BAN_TIMEOUT, 10);
+                    config.consulates[consulate].nextCheckAt = getFutureDate(SOFT_BAN_TIMEOUT, getJitter(config.frequency));
                 }
             
                 continue;