Add query history persistence (#20700)

* initial

* Fix and revert secret storage changes

* persist to file

* Add debounce and write on dispose

* Fix run

* No ext dependencies and show warning message

* Remove test stuff

* comments

* Fix tests and console logs
This commit is contained in:
Charles Gagnon
2022-09-30 16:48:55 -07:00
committed by GitHub
parent 3aa416df6d
commit d6d75d8817
10 changed files with 255 additions and 38 deletions

View File

@@ -6,10 +6,20 @@
import * as vscode from 'vscode';
import * as azdata from 'azdata';
import { QueryHistoryItem } from './queryHistoryItem';
import { removeNewLines } from './utils';
import { CAPTURE_ENABLED_CONFIG_SECTION, ITEM_SELECTED_COMMAND_ID, QUERY_HISTORY_CONFIG_SECTION } from './constants';
import { debounce, removeNewLines } from './utils';
import { CAPTURE_ENABLED_CONFIG_SECTION, ITEM_SELECTED_COMMAND_ID, PERSIST_HISTORY_CONFIG_SECTION, QUERY_HISTORY_CONFIG_SECTION } from './constants';
import * as fs from 'fs';
import * as path from 'path';
import * as crypto from 'crypto';
import * as loc from './localizedConstants';
const STORAGE_IV_KEY = 'queryHistory.storage-iv';
const STORAGE_KEY_KEY = 'queryHistory.storage-key';
const HISTORY_STORAGE_FILE_NAME = 'queryHistory.bin';
const STORAGE_ENCRYPTION_ALGORITHM = 'aes-256-ctr';
const HISTORY_DEBOUNCE_MS = 10000;
const DEFAULT_CAPTURE_ENABLED = true;
const DEFAULT_PERSIST_HISTORY = true;
const successIcon = new vscode.ThemeIcon('check', new vscode.ThemeColor('testing.iconPassed'));
const failedIcon = new vscode.ThemeIcon('error', new vscode.ThemeColor('testing.iconFailed'));
@@ -19,16 +29,30 @@ export class QueryHistoryProvider implements vscode.TreeDataProvider<QueryHistor
readonly onDidChangeTreeData: vscode.Event<QueryHistoryItem | undefined> = this._onDidChangeTreeData.event;
private _queryHistoryItems: QueryHistoryItem[] = [];
private _captureEnabled: boolean = true;
private _captureEnabled: boolean = DEFAULT_CAPTURE_ENABLED;
private _persistHistory: boolean = DEFAULT_PERSIST_HISTORY;
private _historyStorageFile: string;
private _disposables: vscode.Disposable[] = [];
private writeHistoryFileWorker: (() => void) | undefined;
/**
* Mapping of query URIs to the query text being executed
*/
private queryTextMappings: Map<string, string> = new Map<string, string>();
constructor() {
constructor(private _context: vscode.ExtensionContext) {
this._historyStorageFile = path.join(this._context.globalStorageUri.fsPath, HISTORY_STORAGE_FILE_NAME);
// Kick off initialization but then continue on since that may take a while and we don't want to block extension activation
void this.initialize();
this._disposables.push(vscode.workspace.onDidChangeConfiguration(async e => {
if (e.affectsConfiguration(QUERY_HISTORY_CONFIG_SECTION)) {
await this.updateConfigurationValues();
}
}));
this._disposables.push(azdata.queryeditor.registerQueryEventListener({
onQueryEvent: async (type: azdata.queryeditor.QueryEventType, document: azdata.queryeditor.QueryDocument, args: azdata.ResultSetSummary | string | undefined, queryInfo?: azdata.queryeditor.QueryInfo) => {
if (this._captureEnabled && queryInfo) {
@@ -42,8 +66,9 @@ export class QueryHistoryProvider implements vscode.TreeDataProvider<QueryHistor
return;
}
this.queryTextMappings.delete(document.uri);
this._queryHistoryItems.unshift({ queryText, connectionProfile, timestamp: new Date(), isSuccess });
this._queryHistoryItems.unshift({ queryText, connectionProfile, timestamp: new Date().toLocaleString(), isSuccess });
this._onDidChangeTreeData.fire(undefined);
this.writeHistoryFile();
} else if (type === 'queryStart') {
// We get the text and save it on queryStart because we want to get the query text immediately when
// the query is started but then only add the item when it finishes (so that we can properly determine the success of the execution).
@@ -64,28 +89,120 @@ export class QueryHistoryProvider implements vscode.TreeDataProvider<QueryHistor
}
}
}));
this.updateCaptureEnabled();
this._disposables.push(vscode.workspace.onDidChangeConfiguration(e => {
if (e.affectsConfiguration(QUERY_HISTORY_CONFIG_SECTION)) {
this.updateCaptureEnabled();
}
/**
* Initializes the provider, loading the history from the previous session if it exists.
* @returns
*/
private async initialize(): Promise<void> {
// First update our configuration values to make sure we have the settings the user has configured
await this.updateConfigurationValues();
let iv: Buffer | undefined;
try {
let ivString = await this._context.secrets.get(STORAGE_IV_KEY);
if (!ivString) {
iv = crypto.randomBytes(16);
await this._context.secrets.store(STORAGE_IV_KEY, iv.toString('binary'));
} else {
iv = Buffer.from(ivString, 'binary');
}
}));
} catch (err) {
console.error(`Error getting persistance storage IV: ${err}`);
// An IV is required to read/write the encrypted file so if we can't get it then just fail early
return;
}
let key: string | undefined;
try {
key = await this._context.secrets.get(STORAGE_KEY_KEY);
if (!key) {
// Generate a random key - this is internal to the extension so the user doesn't need to know it
key = crypto.createHash('sha256').update(crypto.randomBytes(64)).digest('base64').substring(0, 32);
await this._context.secrets.store(STORAGE_KEY_KEY, key);
}
} catch (err) {
console.error(`Error getting persistance storage key: ${err}`);
// A key is required to read/write the encrypted file so if we can't get it then just fail early
return;
}
this.writeHistoryFileWorker = (): void => {
if (this._persistHistory) {
try {
// We store the history entries in an encrypted file because they may contain sensitive information
// such as passwords (even in the query text itself)
const cipher = crypto.createCipheriv(STORAGE_ENCRYPTION_ALGORITHM, key!, iv!);
const stringifiedItems = JSON.stringify(this._queryHistoryItems);
const encryptedText = Buffer.concat([cipher.update(Buffer.from(stringifiedItems)), cipher.final()]);
// Use sync here so that we can write this out when the object is disposed
fs.writeFileSync(this._historyStorageFile, encryptedText);
} catch (err) {
console.error(`Error writing query history to disk: ${err}`);
}
}
};
// If we're not persisting the history then we can skip even trying to load the file (which shouldn't exist)
if (!this._persistHistory) {
return;
}
try {
// Read and decrypt any previous history items
const encryptedItems = await fs.promises.readFile(this._historyStorageFile);
const decipher = crypto.createDecipheriv(STORAGE_ENCRYPTION_ALGORITHM, key, iv);
const result = Buffer.concat([decipher.update(encryptedItems), decipher.final()]).toString();
this._queryHistoryItems = JSON.parse(result);
this._onDidChangeTreeData.fire(undefined);
} catch (err) {
// Ignore ENOENT errors, those are expected if the storage file doesn't exist (on first run or if results aren't being persisted)
if (err.code !== 'ENOENT') {
console.error(`Error deserializing stored history items: ${err}`);
void vscode.window.showWarningMessage(loc.errorLoading(err));
// Rename the file to avoid attempting to load a potentially corrupted or unreadable file every time we start up, we'll make
// a new one next time we write the history file
try {
const bakPath = path.join(path.dirname(this._historyStorageFile), `${HISTORY_STORAGE_FILE_NAME}.bak`);
await fs.promises.rename(this._historyStorageFile, bakPath);
} catch (err) {
console.error(`Error moving corrupted history file: ${err}`);
}
}
}
}
public clearAll(): void {
/**
* Write the query history items to our encrypted file. This is debounced to
* prevent doing unnecessary writes if the user is executing many queries in
* a row
*/
@debounce(HISTORY_DEBOUNCE_MS)
private writeHistoryFile(): void {
this.writeHistoryFileWorker?.();
}
public async clearAll(): Promise<void> {
this._queryHistoryItems = [];
this.writeHistoryFile();
this._onDidChangeTreeData.fire(undefined);
}
public deleteItem(item: QueryHistoryItem): void {
public async deleteItem(item: QueryHistoryItem): Promise<void> {
this._queryHistoryItems = this._queryHistoryItems.filter(n => n !== item);
this.writeHistoryFile();
this._onDidChangeTreeData.fire(undefined);
}
public getTreeItem(item: QueryHistoryItem): vscode.TreeItem {
const treeItem = new vscode.TreeItem(removeNewLines(item.queryText), vscode.TreeItemCollapsibleState.None);
treeItem.iconPath = item.isSuccess ? successIcon : failedIcon;
treeItem.tooltip = item.queryText;
treeItem.description = item.connectionProfile ? `${item.connectionProfile.serverName}|${item.connectionProfile.databaseName} ${item.timestamp.toLocaleString()}` : item.timestamp.toLocaleString();
treeItem.description = item.connectionProfile ? `${item.connectionProfile.serverName}|${item.connectionProfile.databaseName} ${item.timestamp}` : item.timestamp;
treeItem.command = { title: '', command: ITEM_SELECTED_COMMAND_ID, arguments: [item] };
return treeItem;
}
@@ -97,10 +214,28 @@ export class QueryHistoryProvider implements vscode.TreeDataProvider<QueryHistor
public dispose(): void {
this._disposables.forEach(d => d.dispose());
// Call the worker directly to skip the debounce
this.writeHistoryFileWorker?.();
}
private updateCaptureEnabled(): void {
this._captureEnabled = vscode.workspace.getConfiguration(QUERY_HISTORY_CONFIG_SECTION).get(CAPTURE_ENABLED_CONFIG_SECTION) ?? DEFAULT_CAPTURE_ENABLED;
private async updateConfigurationValues(): Promise<void> {
const configSection = vscode.workspace.getConfiguration(QUERY_HISTORY_CONFIG_SECTION);
this._captureEnabled = configSection.get(CAPTURE_ENABLED_CONFIG_SECTION, DEFAULT_CAPTURE_ENABLED);
this._persistHistory = configSection.get(PERSIST_HISTORY_CONFIG_SECTION, DEFAULT_PERSIST_HISTORY);
if (!this._persistHistory) {
// If we're no longer persisting the history then clean up our storage file
try {
await fs.promises.rmdir(this._historyStorageFile);
} catch (err) {
// Ignore ENOENT errors, those are expected if the storage file doesn't exist (on first run or if results aren't being persisted)
if (err.code !== 'ENOENT') {
// Best effort, we don't want other things to fail if we can't delete the file for some reason
console.error(`Error cleaning up query history storage: ${this._historyStorageFile}. ${err}`);
}
}
} else {
this.writeHistoryFile();
}
}
/**
@@ -112,4 +247,14 @@ export class QueryHistoryProvider implements vscode.TreeDataProvider<QueryHistor
this._captureEnabled = enabled;
return vscode.workspace.getConfiguration(QUERY_HISTORY_CONFIG_SECTION).update(CAPTURE_ENABLED_CONFIG_SECTION, this._captureEnabled, vscode.ConfigurationTarget.Global);
}
/**
* Set whether query history persistence is currently enabled
* @param enabled Whether persistence is currently enabled
* @returns A promise that resolves when the value is updated and persisted to configuration
*/
public async setPersistenceEnabled(enabled: boolean): Promise<void> {
this._persistHistory = enabled;
return vscode.workspace.getConfiguration(QUERY_HISTORY_CONFIG_SECTION).update(PERSIST_HISTORY_CONFIG_SECTION, this._persistHistory, vscode.ConfigurationTarget.Global);
}
}