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background.js
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console.log("Esecuzione Background Script");
/*
!TODO: Implementare Database: indexedDB
!TODO: Inviare una richiesta al 'Popup' per aggiornare Badge [Numero di DP Individuati]
!TODO: Implementare metodi: Inserimento, Cancellazione, Modifica, Retrieve Dati
!TODO: Implementare Sistema Messagistica: Content <=> Background , Popup <=> Background
!TODO: Implementare Promise nei metodi del Database
!TODO: Implementare per ogni richiesta al DB il send per il content script
*/
chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
if (request.message === "delete") {
let delete_request = deleteValue(request.payload);
delete_request.then((res) => {
chrome.runtime.sendMessage({
message: "delete_success",
payload: res,
});
});
} else if (request.message === "update") {
let update_request = updateValue(request.payload);
update_request.then((res) => {
chrome.runtime.sendMessage({
message: "update_success",
payload: res,
});
});
} else if (request.message === "retrieve") {
let retrieve_request = retrieveValue(request.payload);
retrieve_request.then((res) => {
chrome.runtime.sendMessage({
message: "retrieve_success " + request.payload,
payload: res,
});
});
} else if (request.message === "content__delete") {
let delete_request = deleteValue(request.payload);
} else if (request.message === "content__update") {
let update_request = updateValue(request.payload);
} else if (request.message === "content__retrieve") {
console.log("Content Retreve");
let retrieve_request = retrieveValue(request.payload);
retrieve_request.then((res) => {
console.log("AAA " + res);
chrome.tabs.query({ currentWindow: true, active: true }, function (tabs) {
var activeTab = tabs[0];
chrome.tabs.sendMessage(activeTab.id, {
message: "retrieve_success " + request.payload,
payload: res,
});
});
});
} else if (request.message === "update__badge") {
let newValue = request.payload.value;
chrome.action.setBadgeText({ text: "" + newValue });
chrome.action.setBadgeBackgroundColor({ color: "#A30000" });
}
});
/*
Database Implementation
Utils: Name[] , Value[];
- Name[switchValue] , Value[true/false];
- Name[numDarkPatternIdentified] , Value[#]; => # = Numero DP Identificati
- Name[darkPatternIdentified] , Value[List]; => List = Dark Pattern Identificati
*/
let defaultValues = [
{
name: "switchValue",
value: true,
},
{
name: "numDarkPatternIdentified",
value: 0,
},
{
name: "darkPatternIdentified",
value: null,
},
{
name: "textComparison",
value: null,
},
];
let textComparisonArray = fetch("common.json")
.then((response) => {
if (!response.ok) {
throw new Error("Errore nella richiesta del file JSON");
}
return response.json();
})
.then((jsonObject) => {
console.log(jsonObject.TextComparison);
const setText = defaultValues.map((obj) => {
if (obj.name === "textComparison") {
obj.value = jsonObject.TextComparison;
}
});
})
.catch((error) => {
console.log("Errore: " + error);
});
// console.log(textComparisonArray);
let db = null;
function createDB() {
const request = self.indexedDB.open("UtilsDB", 1);
request.onerror = function (event) {
console.log("[ERROR] Apertura Database non riuscita");
};
request.onupgradeneeded = function (event) {
db = event.target.result;
let objectStore = db.createObjectStore("utils", {
keyPath: "name",
});
objectStore.transaction.oncomplete = function (event) {
console.log("[COMPLETE] ObjectStore creato");
};
};
request.onsuccess = function (event) {
db = event.target.result;
console.log("[SUCCESS] Apertura Database riuscita");
insertValue(defaultValues); //Inserimento valori di default (Creazione DB)
db.onerror = function (event) {
console.log("[ERROR] Apertura Database non riuscita");
};
};
}
function insertValue(values) {
if (db) {
const insertTransaction = db.transaction("utils", "readwrite");
const objectStore = insertTransaction.objectStore("utils");
return new Promise((resolve, reject) => {
insertTransaction.oncomplete = function () {
console.log("[COMPLETE] Transazioni di inserimento completate");
resolve(true);
};
insertTransaction.onerror = function () {
console.log("[ERROR] Valori di Default già presenti");
resolve(false);
};
values.forEach((util) => {
let request = objectStore.add(util);
request.onsuccess = function () {
console.log("[SUCCESS] Aggiunto " + util.name + " " + util.value);
};
});
});
}
}
function updateValue(object) {
if (db) {
const putTransaction = db.transaction("utils", "readwrite");
const objectStore = putTransaction.objectStore("utils");
return new Promise((resolve, reject) => {
putTransaction.oncomplete = function () {
console.log("[COMPLETE] Transazione di aggiornamento completata");
resolve(true);
};
putTransaction.onerror = function () {
console.log("[ERROR] Problema nell'aggiornamento");
resolve(false);
};
objectStore.put(object);
});
}
}
function deleteValue(name) {
if (db) {
const deleteTransaction = db.transaction("utils", "readwrite");
const objectStore = deleteTransaction.objectStore("utils");
return new Promise((resolve, reject) => {
deleteTransaction.oncomplete = function () {
console.log("[COMPLETE] Transazione di rimozione completata");
resolve(true);
};
deleteTransaction.onerror = function () {
console.log("[ERROR] Problema nella rimozione");
resolve(false);
};
objectStore.delete(name);
});
}
}
function retrieveValue(name) {
const retrieveTransaction = db.transaction("utils", "readonly");
const objectStore = retrieveTransaction.objectStore("utils");
return new Promise((resolve, reject) => {
retrieveTransaction.oncomplete = function () {
console.log("[COMPLETE] Transazione di recupero completata");
};
retrieveTransaction.onerror = function () {
console.log("[ERROR] Problema nel recupero");
};
let request = objectStore.get(name);
request.onsuccess = function (event) {
resolve(event.target.result);
};
});
}
createDB();