PHP Classes

File: src/ajaxmap.js

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File: src/ajaxmap.js
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Content type: text/plain
Description: Auxiliary data
Class: Div PHP Ajax Mapping
Call PHP classes and functions from JavaScript
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Date: 1 month ago
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/** * * Client side * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along with * this program as the file LICENSE.txt; if not, please see * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * @author Rafa Rodriguez <rafageist@hotmail.com> * @link https://divengine.org * @version 1.2 */ var DIV_AJAX_MAPPING_ACCESS_DENIED_HOST = "DIV_AJAX_MAPPING_ACCESS_DENIED_HOST"; var DIV_AJAX_MAPPING_ACCESS_DENIED_USER = "DIV_AJAX_MAPPING_ACCESS_DENIED_USER"; var DIV_AJAX_MAPPING_LOGIN_SUCCESSFUL = "DIV_AJAX_MAPPING_LOGIN_SUCCESSFUL"; var DIV_AJAX_MAPPING_LOGIN_FAILED = "DIV_AJAX_MAPPING_LOGIN_FAILED"; var DIV_AJAX_MAPPING_LOGOUT_SUCCESSFUL = "DIV_AJAX_MAPPING_LOGOUT_SUCCESSFUL"; var DIV_AJAX_MAPPING_METHOD_EXECUTED = "DIV_AJAX_MAPPING_METHOD_EXECUTED"; var DIV_AJAX_MAPPING_METHOD_NOT_EXISTS = "DIV_AJAX_MAPPING_METHOD_NOT_EXISTS"; /** * Client instance. * * @param {Object} params - params.server is a string that contain the server address * */ /* * How to use? * * var client = new ajaxmap({server: "http://example.com/server.php"}); * var persons = client.Company.getEmployees(); * var companyPhone = client.Company.phone; * var enterprise = client.getEnterprise(); */ var ajaxmap = function (server) { /** * Get a valiXMLHttpRequest object */ this.getXMLHttpRequestObject = function () { var result = false; try { result = new XMLHttpRequest(); } catch (e) { var XmlHttpVersions = ["MSXML2.XMLHTTP.6.0", "MSXML2.XMLHTTP.5.0", "MSXML2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"]; for (var i = 0; i < XmlHttpVersions.length && !result; i++) { try { result = new ActiveXObject(XmlHttpVersions[i]); } catch (e) { } } } return result; }; /** * Send ajax request * * @param Object params */ this.ajax = function (params) { if (typeof params.url == 'undefined') { return null; } var xhr = this.getXMLHttpRequestObject(); params.data = (typeof params.data == 'undefined') ? {} : params.data; xhr.open("POST", encodeURI(params.url), params.async); xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8'); var s = ""; var k = 0; for (var i in params.data) { if (k++ > 0) s = s + "&"; s = s + encodeURIComponent(i) + "=" + this.serialize(params.data[i]); } xhr.send(s); var result = null; eval("result = " + xhr.responseText); return result; }; /** * PHP Serializer * * @param mixed_value * @returns {*} */ this.serialize = function (mixed_value) { var _getType = function (inp) { var type = typeof inp, match; var key; if (type == 'object' && !inp) { return 'null'; } if (type == "object") { if (!inp.constructor) { return 'object'; } var cons = inp.constructor.toString(); match = cons.match(/(\w+)\(/); if (match) { cons = match[1].toLowerCase(); } var types = ["boolean", "number", "string", "array"]; for (key in types) { if (cons == types[key]) { type = types[key]; break; } } } return type; }; var type = _getType(mixed_value); var val, ktype = ''; switch (type) { case"function": val = ""; break; case"boolean": val = "b:" + (mixed_value ? "1" : "0"); break; case"number": val = (Math.round(mixed_value) == mixed_value ? "i" : "d") + ":" + mixed_value; break; case"string": mixed_value = this.utf8_encode(mixed_value); val = "s:" + encodeURIComponent(mixed_value).replace(/%../g, 'x').length + ":\"" + mixed_value + "\""; break; case"array": case"object": val = "a"; var count = 0; var vals = ""; var okey; var key; for (key in mixed_value) { ktype = _getType(mixed_value[key]); if (ktype == "function") { continue; } okey = (key.match(/^[0-9]+$/) ? parseInt(key, 10) : key); vals += this.serialize(okey) + this.serialize(mixed_value[key]); count++; } val += ":" + count + ":{" + vals + "}"; break; case"undefined": default: val = "N"; break; } if (type != "object" && type != "array") { val += ";"; } return val; }; /** * UTF8 Encode * * @param {string} argString * @return {string} */ this.utf8_encode = function (argString) { var string = (argString + ''); var utftext = ""; var start, end; var stringl = 0; start = end = 0; stringl = string.length; for (var n = 0; n < stringl; n++) { var c1 = string.charCodeAt(n); var enc = null; if (c1 < 128) { end++; } else if (c1 > 127 && c1 < 2048) { enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128); } else { enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128); } if (enc !== null) { if (end > start) { utftext += string.substring(start, end); } utftext += enc; start = end = n + 1; } } if (end > start) { utftext += string.substring(start, string.length); } return utftext; } /** * Call a remote PHP method * * @param {string} server * @param {string} method * @param {string} params */ this.call = function (server, method, params) { var result = this.ajax({ url: server + "?execute=" + method, data: params }); return result; }; /** * Login on server * * @param {string} server * @param {string} username * @param {string} password */ this.login = function (server, username, password) { var result = this.ajax({ url: server + "?login=" + username + "&password=" + password }); if (result == null) return DIV_AJAX_MAPPING_LOGIN_FAILED; return result; }; /** * Logout on server * * @param {string} server */ this.logout = function (server) { return this.ajax({ url: server + "?logout" }); }; if (typeof server !== 'undefined') { // Call to server for retrieving the PHP mapping var methods = this.ajax({ url: server + "?mapping" }); // Add methods to this instance for (m in methods) { if (methods[m] != "function") methods[m].__server = server; eval("this." + m + " = methods." + m + ";"); } } // Add some necessary properties and methods /* Server address */ this.__server = server; /* Login on server */ this.__login = function (username, password) { return this.login(this.__server, username, password); }; /* Logout on server */ this.__logout = function () { this.logout(this.__server); }; };