lotsa stuff

.gitignore

@@ -0,0 +1,2 @@
+node_modules
+web-ext-artifacts

README.md

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+# BC100 Autofill

content_script.js

@@ -1,55 +1,42 @@
+"use strict";
 // Put all the javascript code here, that you want to execute after page load.
 
 let bcFilled = false;
 let bdayFilled = false;
-let clickThroughForms = false;
+let currentStage;
 
-function clickContinue() {
-    if (bdayFilled && bcFilled) {
-        document.querySelector('.fahrgastrechte-bahn-card-auswahl button.fahrgastrechte-continue-button')?.dispatchEvent(new Event('click'));
+function executeStage(node) {
+    if (node.nodeType === 1) {
+        if (currentStage === undefined) {
+            currentStage = stages.shift();
+        }
+        if (currentStage.match(node)) {
+            console.log(currentStage.name, "matched");
+            console.log(currentStage.name, currentStage.execute(node) ? "executed" : "execution failed");
+            if (stages.length > 0) {
+                currentStage = stages.shift();
+            } else {
+                observer.disconnect();
+            }
+        } else {
+            console.log(currentStage.name, "did not match");
+        }
     }
 }
 
+
 function processMutations(mutationList, observer) {
     for (const mutation of mutationList) {
         if (mutation.type === "childList") {
-            mutation.addedNodes.forEach(node => {
-                if (node.nodeType === 1) {
-                    if (node.classList.contains("antrag-starten")) {
-                        node.querySelector('button.test-antrag-starten-button').dispatchEvent(new Event('click', { bubbles: true }));
-                    }
-                    else if (node.classList.contains("fahrgastrechte-bahn-card-auswahl")) {
-                        node.querySelectorAll('input').forEach(e => {
-                            if (e.name === "fahrgastrechte-bahn-card-nummer") {
-                                fillBcnum().then(clickContinue);
-                            } else if (e.name === "fahrgastrechte-bahn-card-auswahl-geburts-datum") {
-                                fillBday().then(clickContinue);
-                            }
-                        })
-                    }
-                    if (clickThroughForms) {
-                        if (node.classList.contains("antrags-typ-auswahl")) {
-                            node.querySelector('input#antragstyp-verspaetung').dispatchEvent(new Event('change'));
-                        } else if (node.classList.contains("verspaetungs-auswahl")) {
-                            node.querySelector('#verspaetungstyp-mehr-als-stunde').dispatchEvent(new Event('change'));
-                        } else if (node.classList.contains("verspaetung-bestaetigung")) {
-                            node.querySelector('button.fahrgastrechte-continue-button').dispatchEvent(new Event('click', { bubbles: true }));
-                        }
-                    } else {
-                        console.log(node);
+            mutation.addedNodes.forEach(executeStage);
         }
     }
-            })
-        }
-    }
-    clickContinue();
 }
-
+let clickThroughForms;
 let observer = new MutationObserver(processMutations);
 const addObserver = () => {
     browser.storage.sync.get('autocontinue').then(v => {
         clickThroughForms = !!v.autocontinue;
-    }).then(() => {
         observer.observe(document.body, {
             childList: true, subtree: true
         })
@@ -58,25 +45,98 @@ const addObserver = () => {
 
 addObserver();
 
-async function fillBcnum() {
-    let bcNumberInput = document.querySelector('input[name=fahrgastrechte-bahn-card-nummer]');
+const startClaim = {
+    name: "startClaim",
+    match: node => node.classList.contains("antrag-starten"),
+    execute: node => {
+        const startenButton = node.querySelector('button.test-antrag-starten-button');
+        if (startenButton instanceof HTMLButtonElement) {
+            startenButton.dispatchEvent(new Event('click', { bubbles: true }));
+            return true;
+        }
+        return false;
+    }
+}
+
+function fillBcnum(bcNumberInput) {
     browser.storage.sync.get('bcnum').then(v => {
         let bcNum = v.bcnum || null;
         if (bcNum !== null && bcNum !== "") {
             bcNumberInput.value = bcNum;
             bcNumberInput.dispatchEvent(new Event('input', { bubbles: true }));
-            bcFilled = true;
+            return true;
         }
     })
+    return false;
 }
-async function fillBday() {
-    let birthdayInput = document.querySelector('input[name=fahrgastrechte-bahn-card-auswahl-geburts-datum');
+function fillBday(birthdayInput) {
     browser.storage.sync.get('bday').then(v => {
-        bDay = v.bday || null;
+        const bDay = v.bday || null;
         if (bDay !== null && bDay !== "") {
             birthdayInput.value = bDay;
             birthdayInput.dispatchEvent(new Event('input', { bubbles: true }));
             bdayFilled = true;
+            return true;
         }
     })
+    return false;
 }
+
+const fillData = {
+    name: "fillData",
+    match: node => node.classList.contains("fahrgastrechte-bahn-card-auswahl"),
+    execute: node => {
+        let bcNumField, bdayField;
+        node.querySelectorAll('input').forEach(e => {
+            if (e.name === "fahrgastrechte-bahn-card-nummer") {
+                bcNumField = e;
+            } else if (e.name === "fahrgastrechte-bahn-card-auswahl-geburts-datum") {
+                bdayField = e;
+            }
+        })
+        fillBcnum(bcNumField);
+        fillBday(bdayField);
+        return true;
+    }
+}
+
+const clickContinue = {
+    name: "clickContinue",
+    match: () => true,
+    execute: e => {
+        const continueButton = document.querySelector('.fahrgastrechte-bahn-card-auswahl button.fahrgastrechte-continue-button');
+        if (continueButton instanceof Element) {
+            continueButton.dispatchEvent(new Event('click'));
+            return true;
+        }
+        return false;
+    }
+
+}
+
+const iWasDelayed = {
+    name: "iWasDelayed",
+    match: node => node.classList.contains("antrags-typ-auswahl") && clickThroughForms,
+    execute: node => {
+        const delay = node.querySelector('input#antragstyp-verspaetung');
+        if (delay instanceof HTMLInputElement) {
+            delay.dispatchEvent(new Event('change'));
+            return true;
+        }
+        return false;
+    }
+}
+
+const moreThan60Minutes = {
+    name: "moreThan60Minutes",
+    match: node => node.classList.contains("verspaetungs-auswahl") && clickThroughForms,
+    execute: node => node.querySelector('#verspaetungstyp-mehr-als-stunde').dispatchEvent(new Event('change'))
+}
+const continueToForm = {
+    name: "continueToForm",
+    match: node => node.classList.contains("verspaetung-bestaetigung") && clickThroughForms,
+    execute: node => node.querySelector('button.fahrgastrechte-continue-button').dispatchEvent(new Event('click', { bubbles: true }))
+}
+let stages = [
+    startClaim, fillData, clickContinue, iWasDelayed, moreThan60Minutes, continueToForm
+];

manifest.json

@@ -2,14 +2,16 @@
 	"manifest_version": 2,
 	"name": "BC100 Autofill",
 	"description": "Autofills your BahnCard 100 number and birthday into the passenger rights claim form.",
-	"version": "0.0.1",
+	"version": "0.0.2",
 	"icons": {
 		"64": "icons/icon.png"
 	},
 	"content_scripts": [
 		{
 			"matches": [
-				"https://www.bahn.de/buchung/fahrgastrechte?einstiegtyp=BC100"
+				"https://www.bahn.de/buchung/fahrgastrechte?einstiegtyp=BC100",
+				"https://www.bahn.de/buchung/fahrgastrechte?lang=*&einstiegtyp=BC100",
+				"https://int.bahn.de/*/buchung/fahrgastrechte?einstiegtyp=BC100"
 			],
 			"js": [
 				"content_script.js"

options/index.html

@@ -8,21 +8,25 @@
 
 <body>
   <form>
-    <fieldset>
-      <label for="bcnum">The number of your BahnCard 100</label>
-      <input name="bcnum" id="bcnum" type="text" pattern="70814[0-9]{11}" />
-    </fieldset>
-    <fieldset>
-      <label for="birthday">Your date of birth</label>
-      <input name="birthday" id="birthday" type="date" />
-    </fieldset>
-    <fieldset>
-      <label for="autocontinue">Automatically continue to the "I was delayed by more than 60 minutes" screen</label>
-      <input name="autocontinue" id="autocontinue" type="checkbox" />
-    </fieldset>
-    <button type="submit">Save</button>
+    <label class="item">
+      <span class="fh">Your BahnCard 100 number</span><br />
+      <span class="sh">The number on the front of your card starting with <span class="ms">7081</span>.</span><br>
+      <input name="bcnum" id="bcnum" type="text" pattern="70814[0-9]{11}" required
+        title="Your BahnCard number is 16 digits long and starts with 7081." />
+    </label>
+    <label class="item">
+      <span class="fh">Your date of birth</span><br>
+      <input name="birthday" id="birthday" type="date" required />
+    </label>
+    <label>
+      <span class="fh">Skip questionnaire</span><br>
+      <span class="sh">Automatically answer "I was delayed, by more than 60 minutes."</span><br>
+      <input name="autocontinue" id="autocontinue" type="checkbox" required />
+    </label>
+    <div class="item"><button type="submit">Save</button><span id="success"></span></div>
+    <p id="errors"></p>
   </form>
-  <script src="script.js"></script>
+  <script type="module" src="script.js"></script>
 </body>
 
 </html>

options/script.js

@@ -1,16 +1,63 @@
-async function saveOptions(e) {
-  console.log("Saving options.");
-  e.preventDefault();
-  let bcNum = document.querySelector("#bcnum").value;
-  let bDay = document.querySelector('#birthday').value;
-  let autoContinue = document.querySelector('#autocontinue').checked;
+function luhnValidate(cardNumber) {
+  cardNumber = String(cardNumber).replace(/[\s]/g, "");
+  let odd = false;
+  let total = 0;
+  let position, doubledPos;
+
+  if (!/^[0-9]+$/.test(cardNumber)) {
+    return false;
+  }
+
+  for (var i = cardNumber.length; i > 0; i--) {
+    position = parseInt(cardNumber[i - 1]);
+    if (!odd) {
+      total += position;
+    } else {
+      doubledPos = position * 2;
+
+      if (doubledPos > 9) {
+        doubledPos -= 9;
+      }
+      total += doubledPos;
+    }
+    odd = !odd;
+  }
+
+  return (total !== 0 && (total % 10) === 0);
+}
+
+function putError(s){
+  document.querySelector('#errors').textContent += s;
+}
+function clearError(){
+  document.querySelector('#errors').textContent = "";
+}
+
+async function saveOptions(ev) {
+  clearError();
+  ev.preventDefault();
+  let bcNum = this.querySelector("#bcnum").value;
+  if (!bcNum.length == 16 || !bcNum.startsWith("70814") || !luhnValidate(bcNum)) {
+    putError("Your BahnCard number is not valid. Please make sure you haven't made any typos.");
+    return;
+  }
+  let bDay = this.querySelector('#birthday').value;
+  if (bDay == ""){
+    putError("Please enter a birthday.");
+    return;
+  }
+  let autoContinue = this.querySelector('#autocontinue').checked;
   let options = {
     bcnum: bcNum,
     bday: bDay,
     autocontinue: autoContinue
   };
-  await browser.storage.sync.set(options);
-  console.log("Saved!");
+  browser.storage.sync.set(options).then(() => {
+    document.querySelector('#success').textContent = "✔";
+    setTimeout(() => {
+      document.querySelector('#success').textContent = '';
+    }, 5000);
+  })
 }
 
 async function restoreOptions() {
@@ -18,7 +65,7 @@ async function restoreOptions() {
   // let res = await browser.storage.managed.get('colour');
   // document.querySelector("#managed-colour").innerText = res.colour;
 
-  settings = await browser.storage.sync.get();
+  let settings = await browser.storage.sync.get();
   console.log(settings);
   document.querySelector("#bcnum").value = settings.bcnum || "";
   document.querySelector("#birthday").value = settings.bday || "";

options/style.css

@@ -1,3 +1,52 @@
-h1 {
+.fh {
+  font-size: 1.5em;
+  font-weight: bold;
+}
+
+.sh {
+  font-size: 1em;
   font-style: italic;
 }
+
+label.item {
+  display: block;
+}
+
+input {
+  margin: 8px 0px;
+}
+
+.ms {
+  font-family: monospace;
+}
+
+#errors {
+  color: red;
+  font-style: italic;
+  font-weight: bold;
+}
+
+input:invalid {
+  background-color: rgba(212, 59, 59, 70%);
+}
+
+input:focus {
+  background-color: revert;
+}
+
+#success {
+  color: lightgreen;
+  font-size: 1.5em;
+  margin-left: 8px;
+}
+
+:root {
+  color-scheme: light dark;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    color-scheme: dark;
+  }
+
+}

package.json

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+{
+  "devDependencies": {
+    "@types/firefox-webext-browser": "^111.0.2",
+    "web-ext": "^7.8.0",
+    "webextension-polyfill": "github:mozilla/webextension-polyfill"
+  },
+  "scripts": {
+    "start:firefox": "web-ext run",
+    "debug": "web-ext run --devtools --firefox deved --url https://www.bahn.de/buchung/fahrgastrechte?einstiegtyp=BC100"
+  },
+  "dependencies": {
+    "luhn": "^2.4.1",
+    "typescript": "^5.2.2"
+  }
+}

web-ext-config.js

@@ -0,0 +1,8 @@
+module.exports = {
+    ignoreFiles: [
+        "README.md",
+        "package.json",
+        "web-ext-config.js",
+        ".DS_Store"
+    ]
+}