Release of version 2.0.0.

src/index.js

@@ -1,174 +1,143 @@
-/**
- * @project iii-client
- * @author Valentin Popov <info@valentineus.link>
- * @license See LICENSE.md file included in this distribution.
- */
-var http = require('http');
+export { connect, send };
+import http from 'http';
 
-exports.connect = connect;
 /**
  * Connects to the server and returns the connection data.
- * @param {String} uuid - The bot UUID.
- * @param {requestCallback} callback - The callback that handles the response.
+ * @param {String} The bot ID.
+ * @promise {Object} Answer from the server.
+ * @rejects {Error} If there are errors in operation.
  */
-function connect(uuid, callback) {
-    uuid = uuid || '';
+function connect(uuid) {
+    return new Promise((resolve, reject) => {
+        if (!isVerification(uuid)) reject(new Error('The UUID is not a valid value!'));
 
-    if (!isVerification(uuid)) {
-        throw new Error('The UUID is not a valid value!');
-    }
+        const query = {
+            path: '/api/2.0/json/Chat.init/' + uuid,
+            hostname: 'iii.ru',
+            method: 'GET',
+            port: 80,
+        };
 
-    const query = {
-        port: 80,
-        hostname: 'iii.ru',
-        path: '/api/2.0/json/Chat.init/' + uuid + '/',
-        method: 'GET',
-    };
-
-    const request = http.request(query, function(response) {
-        var json = '';
-        response.on('data', (raw) => json = decryptJSON(raw));
-        response.on('end', () => {
-            if (json.error) throw new Error(json.error.message);
-            callback(json.result);
+        const request = http.request(query, (response) => {
+            let json = '';
+            response.on('data', (raw) => json = decryptJSON(raw));
+            response.on('end', () => {
+                if (json.error) reject(json.error);
+                resolve(json.result);
+            });
         });
+        request.on('error', (error) => reject(error));
+        request.end();
     });
-
-    request.on('error', (error) => Error(error.message));
-
-    request.end();
 }
 
-exports.send = send;
 /**
  * Send a message to the server and return a response.
- * @param {Object} raw - The data to send.
- * @param {String} raw.cuid - Session identifier.
- * @param {String} raw.text - Message text.
- * @param {requestCallback} callback - The callback that handles the response.
+ * @param {String} cuid - Session identifier.
+ * @param {String} text - Message text.
+ * @promise {Object} Answer from the server.
+ * @rejects {Error} If there are errors in operation.
  */
-function send(raw, callback) {
-    raw = raw || {};
+function send(cuid, text) {
+    return new Promise((resolve, reject) => {
+        if (!isVerification(cuid)) reject(new Error('The CUID is not a valid value!'));
+        if (!isString(text)) reject(new Error('The parameter is not a string!'));
 
-    const query = {
-        port: 80,
-        hostname: 'iii.ru',
-        path: '/api/2.0/json/Chat.request',
-        method: 'POST',
-    };
+        const query = {
+            path: '/api/2.0/json/Chat.request',
+            hostname: 'iii.ru',
+            method: 'POST',
+            port: 80,
+        };
 
-    const data = createPackage(raw);
-
-    const request = http.request(query, function(response) {
-        var json = '';
-        response.on('data', (raw) => json = decryptJSON(raw));
-        response.on('end', () => {
-            if (json.error) throw new Error(json.error.message);
-            callback(json.result);
+        const request = http.request(query, (response) => {
+            let json = '';
+            response.on('data', (raw) => json = decryptJSON(raw));
+            response.on('end', () => {
+                if (json.error) reject(json.error);
+                resolve(json.result);
+            });
         });
+        request.on('error', (error) => reject(error));
+        request.write(createPackage(cuid, text));
+        request.end();
     });
-
-    request.on('error', (error) => Error(error));
-
-    request.write(data);
-    request.end();
 }
 
-exports.encrypt = encrypt;
 /**
  * Encrypts the incoming data.
- * @param {String} raw - Decrypted data.
- * @returns {String} - Encrypted string.
+ * @param {String} Decrypted data.
+ * @returns {String} Encrypted string.
  */
-function encrypt(raw) {
-    raw = raw || '';
-
-    var base64 = Buffer.from(raw).toString('base64');
-    var string = Buffer.from(base64);
+function encrypt(data) {
+    const base64 = Buffer.from(data).toString('base64');
+    const string = Buffer.from(base64);
     return mergerString(string).toString('base64');
 }
 
-exports.decrypt = decrypt;
 /**
  * Decrypts the incoming data.
- * @param {String} raw - Encrypted data.
- * @returns {String} - Decrypted string.
+ * @param {String} Encrypted data.
+ * @returns {String} Decrypted string.
  */
-function decrypt(raw) {
-    raw = raw || '';
-
-    var string = Buffer.from(raw, 'base64');
-    var decrypted = mergerString(string).toString();
+function decrypt(data) {
+    const string = Buffer.from(data, 'base64');
+    const decrypted = mergerString(string).toString();
     return Buffer.from(decrypted, 'base64');
 }
 
-exports.decryptJSON = decryptJSON;
 /**
  * Decrypts an encrypted JSON object.
- * @param {String} raw - Encrypted data.
- * @returns {Object} - Decrypted JSON.
+ * @param {String} Encrypted data.
+ * @returns {Object} Decrypted JSON.
  */
-function decryptJSON(raw) {
-    raw = raw || '';
-
-    var string = raw.toString('ascii');
-    var data = decrypt(string);
+function decryptJSON(json) {
+    const string = json.toString('ascii');
+    const data = decrypt(string);
     return JSON.parse(data);
 }
 
-exports.mergerString = mergerString;
 /**
  * Merge and convert a string.
- * @param {String} raw - The string to convert.
- * @returns {String} - The converted string.
+ * @param {String} The string to convert.
+ * @returns {String} The converted string.
  */
 function mergerString(data) {
-    data = data || '';
-
     const salt = Buffer.from('some very-very long string without any non-latin characters due to different string representations inside of variable programming languages');
-
-    for (var i = 0; i < data.length; i++) {
-        data[i] = data[i] ^ salt[i % salt.length];
-    }
-
-    return data;
+    return data.map((item, index) => {
+        return item ^ salt[index % salt.length];
+    });
 }
 
-exports.createPackage = createPackage;
 /**
  * Creates an encrypted package to send.
- * @param {Object} raw - The data to send.
- * @param {String} raw.cuid - Session identifier.
- * @param {String} raw.text - Message text.
- * @returns {String} - Encrypted string.
+ * @param {String} cuid - Session identifier.
+ * @param {String} text - Message text.
+ * @returns {String} Encrypted string.
  */
-function createPackage(raw) {
-    raw = raw || {};
-
-    if (!raw.text) {
-        throw new Error('There is no data to send!');
-    }
-
-    if (!isVerification(raw.cuid)) {
-        throw new Error('Parameter \'CUID\' is not a valid UUID value!');
-    }
-
-    var data = [];
-    data.push(raw.cuid);
-    data.push(raw.text.toString());
-
-    var json = JSON.stringify(data);
+function createPackage(cuid, text) {
+    let data = [];
+    data.push(cuid);
+    data.push(text.toString());
+    const json = JSON.stringify(data);
     return encrypt(json);
 }
 
-exports.isVerification = isVerification;
 /**
  * Validation UUID format string.
- * @param {String} data - The string to check.
+ * @param {String} The string to check.
  * @returns {Boolean}
  */
 function isVerification(data) {
-    data = data || '';
     const regexp = new RegExp('^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$', 'i');
     return regexp.test(data);
 }
+
+/**
+ * Determines if a reference is a String.
+ * @param {String} The string to check.
+ * @returns {Boolean}
+ */
+function isString(data) {
+    return typeof data === 'string';
+}