367 lines
16 KiB
JavaScript
367 lines
16 KiB
JavaScript
|
|
exports.newAzureFileStorage = function newAzureFileStorage(BOT) {
|
|
|
|
const FULL_LOG = true;
|
|
|
|
let bot = BOT;
|
|
const ROOT_DIR = './';
|
|
|
|
const MODULE_NAME = "Azure File Storage";
|
|
|
|
var util = require('util');
|
|
var guid = require('node-uuid');
|
|
var crypto = require('crypto');
|
|
var storage = require('azure-storage');
|
|
|
|
const DEBUG_MODULE = require('./Debug Log');
|
|
const logger = DEBUG_MODULE.newDebugLog();
|
|
logger.fileName = MODULE_NAME;
|
|
logger.bot = bot;
|
|
|
|
const shareName = 'data';
|
|
let dataOwner;
|
|
|
|
let thisObject = {
|
|
initialize: initialize,
|
|
createFolder: createFolder,
|
|
createTextFile: createTextFile,
|
|
getTextFile: getTextFile,
|
|
listFilesAndFolders: listFilesAndFolders
|
|
};
|
|
|
|
let fileService;
|
|
|
|
return thisObject;
|
|
|
|
|
|
function initialize(pDataOwnerBotCodeName, callBackFunction) {
|
|
|
|
try {
|
|
if (FULL_LOG === true) { logger.write("[INFO] initialize -> Entering function."); }
|
|
|
|
if (pDataOwnerBotCodeName === undefined) {
|
|
dataOwner = bot.codeName;
|
|
} else {
|
|
dataOwner = pDataOwnerBotCodeName;
|
|
}
|
|
|
|
logger.fileName = MODULE_NAME + '.' + dataOwner;
|
|
|
|
readConnectionStringConfigFile(onConnectionStringReady);
|
|
|
|
function onConnectionStringReady(err, pConnObj) {
|
|
|
|
if (err.result !== global.DEFAULT_OK_RESPONSE.result) {
|
|
logger.write("[ERROR] initialize -> onConnectionStringReady -> err = " + err.message);
|
|
callBackFunction(err);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
fileService = storage.createFileService(pConnObj.connectionString);
|
|
callBackFunction(global.DEFAULT_OK_RESPONSE);
|
|
|
|
} catch (err) {
|
|
|
|
logger.write("[ERROR] initialize -> onConnectionStringReady -> createFileService -> err = " + err.message);
|
|
callBackFunction(err);
|
|
return;
|
|
}
|
|
}
|
|
|
|
function readConnectionStringConfigFile(callBack) {
|
|
|
|
let filePath;
|
|
|
|
try {
|
|
let fs = require('fs');
|
|
filePath = '../' + 'Connection-Strings' + '/' + global.RUNNING_MODE + '/' + dataOwner + '.azure.storage.connstring';
|
|
let connObj = JSON.parse(fs.readFileSync(filePath, 'utf8'));
|
|
|
|
callBack(global.DEFAULT_OK_RESPONSE, connObj);
|
|
}
|
|
catch (err) {
|
|
logger.write("[ERROR] readConnectionStringConfigFile -> err = " + err.message);
|
|
logger.write("[HINT] readConnectionStringConfigFile -> You need to have a file at this path -> " + filePath);
|
|
logger.write("[HINT] readConnectionStringConfigFile -> The file must have the connection string to the Azure Storage Account. Request the file to an AA Team Member if you dont have it.");
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
}
|
|
}
|
|
}
|
|
catch (err) {
|
|
logger.write("[ERROR] initialize -> err = " + err.message);
|
|
callBack(global.DEFAULT_FAIL_RESPONSE);
|
|
}
|
|
}
|
|
|
|
function createFolder(pFolderPath, callBackFunction) {
|
|
|
|
if (FULL_LOG === true) { logger.write("[INFO] createFolder -> Entering function."); }
|
|
|
|
if (fileService === undefined) {
|
|
|
|
logger.write("[ERROR] createFolder -> initialize function not executed or failed. Can not process this request. Sorry.");
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
|
|
fileService.createDirectoryIfNotExists(shareName, pFolderPath, onFolderCreated);
|
|
|
|
function onFolderCreated(err) {
|
|
|
|
if (err) {
|
|
logger.write("[ERROR] createFolder -> onFolderCreated -> err = " + err.message);
|
|
logger.write("[ERROR] createFolder -> onFolderCreated -> shareName = " + shareName);
|
|
logger.write("[ERROR] createFolder -> onFolderCreated -> pFolderPath = " + pFolderPath);
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
return;
|
|
}
|
|
callBackFunction(global.DEFAULT_OK_RESPONSE);
|
|
}
|
|
}
|
|
catch (err) {
|
|
logger.write("[ERROR] createFolder -> err = " + err.message);
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
}
|
|
}
|
|
|
|
function createTextFile(pFolderPath, pFileName, pFileContent, callBackFunction) {
|
|
|
|
if (fileService === undefined) {
|
|
|
|
logger.write("[ERROR] createTextFile -> initialize function not executed or failed. Can not process this request. Sorry.");
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
|
|
if (FULL_LOG === true) {
|
|
logger.write("[INFO] createTextFile -> About to create a text file.");
|
|
logger.write("[INFO] createTextFile -> shareName = " + shareName);
|
|
logger.write("[INFO] createTextFile -> pFolderPath = " + pFolderPath);
|
|
logger.write("[INFO] createTextFile -> pFileName = " + pFileName);
|
|
}
|
|
|
|
fileService.createFileFromText(shareName, pFolderPath, pFileName, pFileContent, onFileCreated);
|
|
|
|
function onFileCreated(err, result, response) {
|
|
|
|
if (FULL_LOG === true) {
|
|
logger.write("[INFO] createTextFile -> onFileCreated -> Response from Azure received.");
|
|
logger.write("[INFO] createTextFile -> onFileCreated -> err = " + JSON.stringify(err));
|
|
logger.write("[INFO] createTextFile -> onFileCreated -> result = " + JSON.stringify(result));
|
|
logger.write("[INFO] createTextFile -> onFileCreated -> response = " + JSON.stringify(response));
|
|
}
|
|
|
|
if (err) {
|
|
|
|
logger.write("[ERROR] createTextFile -> onFileCreated -> err = " + JSON.stringify(err));
|
|
logger.write("[ERROR] createTextFile -> onFileCreated -> result = " + JSON.stringify(result));
|
|
logger.write("[ERROR] createTextFile -> onFileCreated -> response = " + JSON.stringify(response));
|
|
|
|
if (err.message.indexOf("The server is busy") > 0) {
|
|
|
|
setTimeout(secondTry, 1000);
|
|
|
|
function secondTry() {
|
|
|
|
logger.write("[INFO] createTextFile -> onFileCreated -> secondTry -> Retrying to create the file.");
|
|
|
|
fileService.createFileFromText(shareName, pFolderPath, pFileName, pFileContent, onSecondTry);
|
|
|
|
function onSecondTry(err) {
|
|
|
|
if (err) {
|
|
logger.write("[ERROR] createTextFile -> onFileCreated -> secondTry -> File not created. Giving Up.");
|
|
callBackFunction(global.DEFAULT_RETRY_RESPONSE);
|
|
} else {
|
|
logger.write("[INFO] createTextFile -> onFileCreated -> secondTry -> File succesfully created on second try.");
|
|
callBackFunction(global.DEFAULT_OK_RESPONSE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
logger.write("[ERROR] createTextFile -> onFileCreated -> Dont know what to do here. Cancelling operation. ");
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
|
|
} else {
|
|
if (FULL_LOG === true) { logger.write("[INFO] createTextFile -> onFileCreated -> File Created."); }
|
|
callBackFunction(global.DEFAULT_OK_RESPONSE);
|
|
}
|
|
}
|
|
}
|
|
catch (err) {
|
|
logger.write("[ERROR] 'createTextFile' -> err = " + err.message);
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
}
|
|
}
|
|
|
|
function getTextFile(pFolderPath, pFileName, callBackFunction) {
|
|
|
|
if (fileService === undefined) {
|
|
|
|
logger.write("[ERROR] getTextFile -> initialize function not executed or failed. Can not process this request. Sorry.");
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
|
|
if (FULL_LOG === true) {
|
|
logger.write("[INFO] getTextFile -> About to get a text file.");
|
|
logger.write("[INFO] getTextFile -> shareName = " + shareName);
|
|
logger.write("[INFO] getTextFile -> pFolderPath = " + pFolderPath);
|
|
logger.write("[INFO] getTextFile -> pFileName = " + pFileName);
|
|
}
|
|
|
|
fileService.getFileToText(shareName, pFolderPath, pFileName, undefined, onFileReceived);
|
|
|
|
function onFileReceived(err, text, response) {
|
|
|
|
if (FULL_LOG === true) {
|
|
logger.write("[INFO] getTextFile -> onFileReceived -> Response from Azure received.");
|
|
logger.write("[INFO] getTextFile -> onFileReceived -> err = " + JSON.stringify(err));
|
|
logger.write("[INFO] getTextFile -> onFileReceived -> text = " + text);
|
|
logger.write("[INFO] getTextFile -> onFileReceived -> response = " + JSON.stringify(response));
|
|
}
|
|
|
|
if (err) {
|
|
|
|
if (err.message.indexOf("The server is busy") > 0) {
|
|
|
|
setTimeout(secondTry, 1000);
|
|
|
|
function secondTry() {
|
|
|
|
logger.write("[INFO] getTextFile -> onFileReceived -> secondTry -> Retrying to get the file.");
|
|
|
|
fileService.getFileToText(shareName, pFolderPath, pFileName, undefined, onSecondTry);
|
|
|
|
function onSecondTry(err) {
|
|
|
|
if (err) {
|
|
logger.write("[ERROR] getTextFile -> onFileReceived -> secondTry -> File not retrieved. Giving Up.");
|
|
callBackFunction(global.DEFAULT_RETRY_RESPONSE);
|
|
} else {
|
|
logger.write("[INFO] getTextFile -> onFileReceived -> secondTry -> File succesfully retrieved on second try.");
|
|
callBackFunction(global.DEFAULT_OK_RESPONSE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (err.code = "ParentNotFound") {
|
|
|
|
/* This is how Azure tell us the folder where the file was supposed to be does not exist. We map this to our own response. */
|
|
|
|
let customResponse = {
|
|
result: global.DEFAULT_FAIL_RESPONSE.result,
|
|
message: "Folder does not exist."
|
|
};
|
|
|
|
logger.write("[ERROR] getTextFile -> onFileReceived -> Custom Response -> message = " + customResponse.message);
|
|
|
|
callBackFunction(customResponse);
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
logger.write("[ERROR] getTextFile -> onFileReceived -> Dont know what to do here. Cancelling operation. ");
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
|
|
} else {
|
|
if (FULL_LOG === true) { logger.write("[INFO] getTextFile -> onFileReceived -> File retrieved."); }
|
|
callBackFunction(global.DEFAULT_OK_RESPONSE, text);
|
|
}
|
|
}
|
|
}
|
|
catch (err) {
|
|
logger.write("[ERROR] 'getTextFile' -> err = " + err.message);
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
}
|
|
}
|
|
|
|
function listFilesAndFolders(pFolderPath, callBackFunction) {
|
|
|
|
if (fileService === undefined) {
|
|
|
|
logger.write("[ERROR] listFilesAndFolders -> initialize function not executed or failed. Can not process this request. Sorry.");
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
|
|
let items = {
|
|
files: [],
|
|
folders: []
|
|
};
|
|
|
|
/*
|
|
* AZURE HELP:
|
|
*
|
|
* @param { object } [options] The request options.
|
|
* @param { int } [options.maxResults] Specifies the maximum number of folders to return per call to Azure ServiceClient.
|
|
* This does NOT affect list size returned by this function. (maximum: 5000)
|
|
* @param { LocationMode } [options.locationMode] Specifies the location mode used to decide which location the request should be sent to.
|
|
* Please see StorageUtilities.LocationMode for the possible values.
|
|
* @param { int } [options.timeoutIntervalInMs] The server timeout interval, in milliseconds, to use for the request.
|
|
* @param { int } [options.maximumExecutionTimeInMs] The maximum execution time, in milliseconds, across all potential retries, to use when making this request.
|
|
* The maximum execution time interval begins at the time that the client begins building the request.The maximum
|
|
* execution time is checked intermittently while performing requests, and before executing retries.
|
|
* @param { string } [options.clientRequestId] A string that represents the client request ID with a 1KB character limit.
|
|
* @param { bool } [options.useNagleAlgorithm] Determines whether the Nagle al
|
|
*/
|
|
|
|
let options = {
|
|
maxResults: 500
|
|
};
|
|
|
|
if (FULL_LOG === true) {
|
|
logger.write("[INFO] listFilesAndFolders -> About to get the list of files and folders.");
|
|
logger.write("[INFO] listFilesAndFolders -> shareName = " + shareName);
|
|
logger.write("[INFO] listFilesAndFolders -> pFolderPath = " + pFolderPath);
|
|
}
|
|
|
|
fileService.listFilesAndDirectoriesSegmented(shareName, pFolderPath, null, options, onFilesAndFoldersReceived);
|
|
|
|
function onFilesAndFoldersReceived(err, result) {
|
|
|
|
try {
|
|
if (FULL_LOG === true) {
|
|
logger.write("[INFO] listFilesAndFolders -> onFileReceived -> Response from Azure received.");
|
|
logger.write("[INFO] listFilesAndFolders -> onFileReceived -> shareName = " + shareName);
|
|
logger.write("[INFO] listFilesAndFolders -> onFileReceived -> pFolderPath = " + pFolderPath);
|
|
}
|
|
|
|
if (err) {
|
|
|
|
logger.write("[ERROR] 'listFilesAndFolders' -> onFilesAndFoldersReceived -> err = " + err);
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
return;
|
|
|
|
} else {
|
|
|
|
items.files.push.apply(items.files, result.entries.files);
|
|
items.folders.push.apply(items.folders, result.entries.directories);
|
|
|
|
callBackFunction(global.DEFAULT_OK_RESPONSE, items);
|
|
}
|
|
}
|
|
catch (err) {
|
|
const logText = "[ERROR] 'listFilesAndFolders - onFilesAndFoldersReceived' - ERROR : " + err.message;
|
|
logger.write(logText);
|
|
}
|
|
}
|
|
}
|
|
catch (err) {
|
|
logger.write("[ERROR] 'listFilesAndFolders' -> err = " + err.message);
|
|
callBackFunction(global.DEFAULT_FAIL_RESPONSE);
|
|
}
|
|
}
|
|
}; |