diff options
Diffstat (limited to 'shared/resources/apn/query.js')
| -rw-r--r-- | shared/resources/apn/query.js | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/shared/resources/apn/query.js b/shared/resources/apn/query.js new file mode 100644 index 0000000..e667b74 --- /dev/null +++ b/shared/resources/apn/query.js @@ -0,0 +1,288 @@ +/* -*- Mode: js; js-indent-level: 2; indent-tabs-mode: nil -*- */ +/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ + +'use strict'; + +document.addEventListener('DOMContentLoaded', function onload() { + var DEBUG = false; + + var OPERATOR_VARIANT_FILE = '../apn.json'; + var GNOME_DB_FILE = 'service_providers.xml'; + var ANDROID_DB_FILE = 'apns_conf.xml'; + var LOCAL_ANDROID_DB_FILE = 'apns_conf_local.xml'; + var OPERATOR_VARIANT_DB_FILE = 'operator_variant.xml'; + + var gGnomeDB = null; + var gAndroidDB = null; + var gOperatorVariantDB = null; + + + /** + * XML helpers: load & query XML databases + */ + + function loadXML(url) { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + xhr.send(); + return xhr.responseXML; + } + + function queryXML(xmlDocument, query) { + var xpe = new XPathEvaluator(); + var nsResolver = xpe.createNSResolver(xmlDocument); + return xpe.evaluate(query, xmlDocument, nsResolver, 0, null); + } + + + /** + * Merge the Android and Gnome APN and the Operator Variant databases + */ + + function queryAndroidDB(mcc, mnc) { + var query = '//apn'; + if (mcc) { + query += '[@mcc=' + mcc + ']'; // Mobile Country Code + } + if (mnc) { + query += '[@mnc=' + mnc + ']'; // Mobile Network Code + } + + var result = queryXML(gAndroidDB, query); + var res = result.iterateNext(); + var found = []; + + while (res) { // turn each resulting XML element into a JS object + var apn = {}; + for (var i = 0; i < res.attributes.length; i++) { + var name = res.attributes[i].name; + var value = res.attributes[i].value; + if (name == 'type') { // array of comma-separated values + apn.type = value.split(','); + } else { // all other attributes are plain strings + apn[name] = value; + } + } + found.push(apn); + res = result.iterateNext(); + } + + return found; + } + + function queryGnomeDB(mcc, mnc, setting) { + var query = '//gsm[network-id' + '[@mcc=' + mcc + '][@mnc=' + mnc + ']' + + ']/' + setting; + var result = queryXML(gGnomeDB, query); + var node = result.iterateNext(); + return node ? node.textContent : ''; + } + + function queryOperatorVariantDB(mcc, mnc) { + var query = '//operator' + '[@mcc=' + mcc + '][@mnc=' + mnc + ']'; + var result = queryXML(gOperatorVariantDB, query); + var res = result.iterateNext(); + var found = []; + + while (res) { // turn each resulting XML element into a JS object + var operatorSettings = {}; + for (var i = 0; i < res.attributes.length; i++) { + var name = res.attributes[i].name; + var value = res.attributes[i].value; + operatorSettings[name] = value; + } + found.push(operatorSettings); + res = result.iterateNext(); + } + + return found.length ? found[0] : null; + } + + function mergeDBs() { + var apn = {}; + + for (var mcc = 1; mcc < 999; mcc++) { + var country = {}; + var result = queryAndroidDB(mcc); + + if (result && result.length) { + result.sort(function(a, b) { + return parseInt(result.mnc, 10) < parseInt(result.mnc, 10); + }); + for (var i = 0; i < result.length; i++) { + var mnc = parseInt(result[i].mnc, 10); + + var operatorVariantSettings = {}; + var voicemail = queryGnomeDB(mcc, mnc, 'voicemail'); + if (voicemail) { + operatorVariantSettings.voicemail = voicemail; + if (DEBUG) { + console.log(operatorVariantSettings.voicemail + ': ' + voicemail); + } + } + var otherSettings = queryOperatorVariantDB(mcc, mnc); + if (otherSettings) { + if (DEBUG) { + console.log("Other operator settng: " + JSON.stringify(otherSettings)); + } + var enableStrict7BitEncodingForSms = + otherSettings['enableStrict7BitEncodingForSms']; + if (enableStrict7BitEncodingForSms) { + operatorVariantSettings.enableStrict7BitEncodingForSms = + enableStrict7BitEncodingForSms == 'true'; + } + var cellBroadcastSearchList = + otherSettings['cellBroadcastSearchList']; + if (cellBroadcastSearchList) { + operatorVariantSettings.cellBroadcastSearchList = + cellBroadcastSearchList; + } + } + + delete(result[i].mcc); + delete(result[i].mnc); + if (country[mnc]) { + if (DEBUG) { // warn about the duplicate (mcc, mnc) tuple + if (country[mnc].length == 1) { + console.log('duplicate mcc/mnc: ' + mcc + '/' + mnc); + console.log(' - ' + country[mnc][0].carrier); + } + console.log(' - ' + result[i].carrier); + } + country[mnc].push(result[i]); + } else { + country[mnc] = [result[i]]; + if (voicemail || otherSettings || cellBroadcastSearchList) { + operatorVariantSettings.type = []; + operatorVariantSettings.type.push('operatorvariant'); + country[mnc].push(operatorVariantSettings); + } + } + } + apn[mcc] = country; + } + } + + return apn; + } + + + /** + * User Interface + */ + + var gAPN; + var apnPrefNames = { + 'default': { + 'ril.data.carrier': 'carrier', + 'ril.data.apn': 'apn', + 'ril.data.user': 'user', + 'ril.data.passwd': 'password', + 'ril.data.httpProxyHost': 'proxy', + 'ril.data.httpProxyPort': 'port' + }, + 'supl': { + 'ril.supl.carrier': 'carrier', + 'ril.supl.apn': 'apn', + 'ril.supl.user': 'user', + 'ril.supl.passwd': 'password', + 'ril.supl.httpProxyHost': 'proxy', + 'ril.supl.httpProxyPort': 'port' + }, + 'mms': { + 'ril.mms.carrier': 'carrier', + 'ril.mms.apn': 'apn', + 'ril.mms.user': 'user', + 'ril.mms.passwd': 'password', + 'ril.mms.httpProxyHost': 'proxy', + 'ril.mms.httpProxyPort': 'port', + 'ril.mms.mmsc': 'mmsc', + 'ril.mms.mmsproxy': 'mmsproxy', + 'ril.mms.mmsport': 'mmsport' + }, + 'operatorvariant': { + 'ril.iccInfo.mbdn': 'voicemail', + 'ril.sms.strict7BitEncoding.enabled': 'enableStrict7BitEncodingForSms', + 'ril.cellbroadcast.searchlist': 'cellBroadcastSearchList' + } + }; + + var booleanPrefNames = [ + 'ril.sms.strict7BitEncoding.enabled' + ]; + + function loadDB(output, callback) { + output.textContent = '\n loading database...'; + var xhr = new XMLHttpRequest(); + xhr.open('GET', OPERATOR_VARIANT_FILE, true); + xhr.onreadystatechange = function() { + if (xhr.readyState == 4) { + if (xhr.status == 200 || xhr.status === 0) { + // the JSON database is already available -- we don't use + // xhr.responseType = 'json' to be compatible with Chrome... sigh. + gAPN = JSON.parse(xhr.responseText); + } else { + // the JSON database is not available, merge the three XML databases + output.textContent = '\n merging databases, this takes a while...'; + gAndroidDB = loadXML(ANDROID_DB_FILE); + // First merge the local DB + var localAndroidDB = loadXML(LOCAL_ANDROID_DB_FILE); + var localApns = localAndroidDB.documentElement.getElementsByTagName("apn"); + for (var i = 0; i < localApns.length; ++i) { + gAndroidDB.documentElement.appendChild(localApns[i]); + } + // Then the Gnome DB + gGnomeDB = loadXML(GNOME_DB_FILE); + gOperatorVariantDB = loadXML(OPERATOR_VARIANT_DB_FILE); + gAPN = mergeDBs(); + } + output.textContent = DEBUG ? + JSON.stringify(gAPN, true, 2) : + JSON.stringify(gAPN, true, 0) + .replace(/("[0-9]+"):{/g, '\n$1: {') + .replace(/("[0-9]+"):\[/g, '\n $1: [') + .replace(/},\n/g, '\n},\n') + .replace(/\[{/g, '[\n {') + .replace(/},{/g, '},\n {') + .replace(/}(],?)/g, '}\n $1') + .replace(/]}}$/, ']\n}\n}'); + callback(); + } + }; + xhr.send(); + } + + function update() { + var selection = document.getElementById('selection'); + var mcc = parseInt(document.querySelector('input[name=mcc]').value, 10); + var mnc = parseInt(document.querySelector('input[name=mnc]').value, 10); + var res = gAPN[mcc] ? (gAPN[mcc][mnc] || []) : []; + selection.textContent = JSON.stringify(res, true, 2); + + var preferences = document.getElementById('preferences'); + var prefs = {}; + for (var type in apnPrefNames) { + var apn = {}; + for (var i = 0; i < res.length; i++) { + if (res[i].type.indexOf(type) != -1) { + apn = res[i]; + break; + } + } + var prefNames = apnPrefNames[type]; + for (var key in prefNames) { + var name = apnPrefNames[type][key]; + if (booleanPrefNames.indexOf(key) != -1) { + prefs[key] = apn[name] || false; + } else { + prefs[key] = apn[name] || ''; + } + } + } + preferences.textContent = JSON.stringify(prefs, true, 2); + } + + document.querySelector('form').oninput = update; + loadDB(document.querySelector('textarea'), update); +}); + |