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https://github.com/transatoshi-mw/grin-web-wallet.git
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transatoshi
410
scripts/extension.js
Executable file
410
scripts/extension.js
Executable file
@@ -0,0 +1,410 @@
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// Use strict
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"use strict";
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// Classes
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// Extension class
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class Extension {
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// Public
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// Initialize
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static initialize() {
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// Get URL parameters
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var urlParameters = Common.getUrlParameters();
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// Return promise
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return new Promise(function(resolve, reject) {
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// Check if URL parameters contains a request
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if("Request" in urlParameters === true) {
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// Set close when done
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Extension.closeWhenDone = true;
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// Try
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try {
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// Process URL parameters as a request
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Extension.processRequest(urlParameters, true);
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}
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// Catch errors
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catch(error) {
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// Reject error
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reject(error);
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// Return
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return;
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}
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}
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// Otherwise
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else {
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// Clear close when done
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Extension.closeWhenDone = false;
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}
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// Resolve
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resolve();
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});
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}
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// Get requests
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static getRequests() {
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// Return requests
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return Extension.requests;
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}
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// Allow interrupt on close
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static allowInterruptOnClose() {
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// Set can interrupt close
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Extension.canInterruptClose = true;
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}
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// Prevent interrupt on close
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static preventInterruptOnClose() {
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// Clear can interrupt close
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Extension.canInterruptClose = false;
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}
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// Get close when done
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static getCloseWhenDone() {
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// Return close when done
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return Extension.closeWhenDone;
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}
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// No transaction amount
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static get NO_TRANSACTION_AMOUNT() {
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// Return no transaction amount
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return null;
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}
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// No transaction message
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static get NO_TRANSACTION_MESSAGE() {
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// Return no transation message
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return null;
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}
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// Private
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// Process request
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static processRequest(request, makeFirstRequest = false) {
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// Check request
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switch(request["Request"]) {
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// Start transaction
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case "Start Transaction":
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// Check if recipient address isn't valid
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if("Recipient Address" in request === false || typeof request["Recipient Address"] !== "string" || request["Recipient Address"]["length"] === 0) {
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// Throw error
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throw Language.getDefaultTranslation('Invalid recipient address.');
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}
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// Otherwise check if amount isn't valid
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else if("Amount" in request === true && request["Amount"] !== Extension.NO_TRANSACTION_AMOUNT && (Common.isNumberString(request["Amount"]) === false || Common.getNumberStringPrecision(request["Amount"]) > Extension.MAXIMUM_AMOUNT_PRECISION || parseFloat(Common.removeTrailingZeros(request["Amount"])) < Extension.MINIMUM_AMOUNT)) {
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// Throw error
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throw Language.getDefaultTranslation('Invalid amount.');
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}
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// Otherwise check if message isn't valid
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else if("Message" in request === true && request["Message"] !== Extension.NO_TRANSACTION_MESSAGE && typeof request["Message"] !== "string") {
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// Throw error
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throw Language.getDefaultTranslation('Invalid message.');
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}
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// Otherwise
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else {
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// Get request information
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var requestInformation = {
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// Name
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"Name": SendPaymentSection.NAME,
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// State
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"State": {
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// Elements states
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[Section.STATE_ELEMENTS_STATES_NAME]: [
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// Back
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{
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"Tag": "BUTTON",
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"Focused": false,
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"Value": Section.NO_VALUE
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},
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// Forward
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{
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"Tag": "BUTTON",
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"Focused": false,
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"Value": Section.NO_VALUE
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},
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// Recipient address
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{
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"Tag": "INPUT",
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"Focused": false,
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"Value": ProtocolHandler.standardizeUrlProtocol(request["Recipient Address"]),
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"Selection Start": Section.NO_VALUE,
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"Selection End": Section.NO_VALUE,
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"Selection Direction": Section.NO_VALUE
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},
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// Scan
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{
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"Tag": "BUTTON",
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"Focused": false,
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"Value": Section.NO_VALUE
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},
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// Wallet
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{
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"Tag": "SELECT",
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"Focused": false,
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"Value": Section.NO_VALUE
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},
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// Amount
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{
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"Tag": "INPUT",
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"Focused": false,
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"Value": ("Amount" in request === true && request["Amount"] !== Extension.NO_TRANSACTION_AMOUNT) ? (new BigNumber(request["Amount"])).toFixed() : Section.NO_VALUE,
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"Selection Start": Section.NO_VALUE,
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"Selection End": Section.NO_VALUE,
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"Selection Direction": Section.NO_VALUE
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},
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// All
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{
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"Tag": "BUTTON",
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"Focused": false,
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"Value": Section.NO_VALUE
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},
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// Value
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{
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"Tag": "INPUT",
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"Focused": false,
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"Value": Section.NO_VALUE,
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"Selection Start": Section.NO_VALUE,
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"Selection End": Section.NO_VALUE,
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"Selection Direction": Section.NO_VALUE
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},
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// Base fee
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{
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"Tag": "INPUT",
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"Focused": false,
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"Value": Section.NO_VALUE,
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"Selection Start": Section.NO_VALUE,
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"Selection End": Section.NO_VALUE,
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"Selection Direction": Section.NO_VALUE
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},
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// Default base fee
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{
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"Tag": "BUTTON",
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"Focused": false,
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"Value": Section.NO_VALUE
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},
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// Message
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{
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"Tag": "INPUT",
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"Focused": false,
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"Value": ("Message" in request === true && request["Message"] !== Extension.NO_TRANSACTION_MESSAGE) ? request["Message"] : Section.NO_VALUE,
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"Selection Start": Section.NO_VALUE,
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"Selection End": Section.NO_VALUE,
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"Selection Direction": Section.NO_VALUE
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},
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// Send
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{
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"Tag": "BUTTON",
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"Focused": false,
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"Value": Section.NO_VALUE
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},
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// Cancel
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{
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"Tag": "BUTTON",
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"Focused": false,
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"Value": Section.NO_VALUE
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}
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]
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}
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};
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// Check if making first request
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if(makeFirstRequest === true) {
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// Add request information to beginning of list
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Extension.requests.unshift(requestInformation);
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}
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// Otherwise
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else {
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// Append request information to list
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Extension.requests.push(requestInformation);
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}
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// Trigger extension request receive event
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$(document).trigger(Extension.REQUEST_RECEIVE_EVENT);
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}
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// Break
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break;
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// Default
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default:
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// Throw error
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throw Language.getDefaultTranslation('Invalid request.');
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}
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}
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// Maximum amount precision
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static get MAXIMUM_AMOUNT_PRECISION() {
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// Return maximum amount precision
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return Math.log10(Consensus.VALUE_NUMBER_BASE);
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}
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// Minimum amount
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static get MINIMUM_AMOUNT() {
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// Return minimum amount
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return 1 / Consensus.VALUE_NUMBER_BASE;
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}
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// Request receive event
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static get REQUEST_RECEIVE_EVENT() {
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// Return request receive event
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return "ExtensionRequestReceiveEvent";
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}
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}
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// Main function
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// Set global object's extension
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globalThis["Extension"] = Extension;
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// Initialize extension requests
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Extension.requests = [];
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// Initialize extension can interrupt close
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Extension.canInterruptClose = false;
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// Window before unload event
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$(window).on("beforeunload", function(event) {
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// Check if extension can interrupt close and extension requests exist
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if(Extension.canInterruptClose === true && Extension.getRequests()["length"] !== 0) {
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// Try
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try {
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// Prevent default
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event.preventDefault();
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// Stop propagation
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event.stopPropagation();
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event.stopImmediatePropagation();
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// Check if one extension request exists
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if(Extension.getRequests()["length"] === 1) {
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// Return message
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return event["originalEvent"]["returnValue"] = Language.getTranslation('Are you sure you want to exit? There\'s a remaining transaction.');
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}
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// Otherwise
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else {
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// Return message
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return event["originalEvent"]["returnValue"] = Language.getTranslation('Are you sure you want to exit? There\'s remaining transactions.');
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}
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}
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// Catch errors
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catch(error) {
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}
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}
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});
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// Check if is a Firefox or Safari extension
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if(Common.isExtension() === true && typeof browser !== "undefined") {
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// Message event
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browser["runtime"]["onMessage"].addListener(function(request, sender, sendResponse) {
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// Check if request is from the content script
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if(sender["id"] === browser["runtime"]["id"] && "frameId" in sender === true && typeof request === "object" && request !== null && "Wallet Type" in request === true && "Network Type" in request === true && "Request" in request === true) {
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// Check if request's wallet type is the current wallet type and network type is the current network type
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if(request["Wallet Type"] === Consensus.walletTypeToText(Consensus.getWalletType()) && request["Network Type"] === Consensus.networkTypeToText(Consensus.getNetworkType())) {
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// Try
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try {
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// Process extension request
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Extension.processRequest(request);
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}
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// Catch errors
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catch(error) {
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}
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}
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}
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});
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}
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// Otherwise check if is a Chrome extension
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else if(Common.isExtension() === true && typeof chrome !== "undefined") {
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// Message event
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chrome["runtime"]["onMessage"].addListener(function(request, sender, sendResponse) {
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// Check if request is from the content script
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if(sender["id"] === chrome["runtime"]["id"] && "frameId" in sender === true && typeof request === "object" && request !== null && "Wallet Type" in request === true && "Network Type" in request === true && "Request" in request === true) {
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// Check if request's wallet type is the current wallet type and network type is the current network type
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if(request["Wallet Type"] === Consensus.walletTypeToText(Consensus.getWalletType()) && request["Network Type"] === Consensus.networkTypeToText(Consensus.getNetworkType())) {
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// Try
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try {
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// Process extension request
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Extension.processRequest(request);
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}
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// Catch errors
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catch(error) {
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}
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}
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}
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});
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}
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