pgadmin4/web/pgadmin/tools/psql/static/js/psql_module.js

343 lines
12 KiB
JavaScript

/////////////////////////////////////////////////////////////
//
// pgAdmin 4 - PostgreSQL Tools
//
// Copyright (C) 2013 - 2024, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////
import { Terminal } from 'xterm';
import { FitAddon } from 'xterm-addon-fit';
import { WebLinksAddon } from 'xterm-addon-web-links';
import { SearchAddon } from 'xterm-addon-search';
import { io } from 'socketio';
import {getRandomInt, hasBinariesConfiguration} from 'sources/utils';
import {retrieveAncestorOfTypeServer} from 'sources/tree/tree_utils';
import pgWindow from 'sources/window';
import { copyToClipboard } from '../../../../static/js/clipboard';
import {generateTitle, refresh_db_node} from 'tools/sqleditor/static/js/sqleditor_title';
import { BROWSER_PANELS } from '../../../../browser/static/js/constants';
import usePreferences,{ listenPreferenceBroadcast } from '../../../../preferences/static/js/store';
import 'pgadmin.browser.keyboard';
export function setPanelTitle(psqlToolPanel, panelTitle) {
psqlToolPanel.title('<span title="'+_.escape(panelTitle)+'">'+_.escape(panelTitle)+'</span>');
}
export function initialize(gettext, url_for, _, pgAdmin, csrfToken, Browser) {
let pgBrowser = Browser;
let terminal = Terminal;
let parentData = null;
/* Return back, this has been called more than once */
if (pgBrowser.psql)
return pgBrowser.psql;
// Create an Object Restore of pgBrowser class
pgBrowser.psql = {
init: function() {
this.initialized = true;
csrfToken.setPGCSRFToken(pgAdmin.csrf_token_header, pgAdmin.csrf_token);
// Define the nodes on which the menus to be appear
let menus = [{
name: 'psql',
module: this,
applies: ['tools'],
callback: 'psql_tool',
priority: 1,
label: gettext('PSQL Tool'),
enable: this.psqlToolEnabled,
}];
this.enable_psql_tool = pgAdmin['enable_psql'];
if(pgAdmin['enable_psql']) {
pgBrowser.add_menus(menus);
}
return this;
},
/* Enable/disable PSQL tool menu in tools based
* on node selected. if selected node is present
* in unsupported_nodes, menu will be disabled
* otherwise enabled.
*/
psqlToolEnabled: function(obj) {
let isEnabled = (() => {
if (!_.isUndefined(obj) && !_.isNull(obj) && pgAdmin['enable_psql']) {
if (_.indexOf(pgAdmin.unsupported_nodes, obj._type) == -1) {
if (obj._type == 'database' && obj.allowConn) {
return true;
} else if (obj._type != 'database') {
return true;
} else {
return false;
}
} else {
return false;
}
} else {
return false;
}
})();
return isEnabled;
},
psql_tool: function(data, treeIdentifier) {
const serverInformation = retrieveAncestorOfTypeServer(pgBrowser, treeIdentifier, gettext('PSQL Error'));
if (!hasBinariesConfiguration(pgBrowser, serverInformation)) {
return;
}
const node = pgBrowser.tree.findNodeByDomElement(treeIdentifier);
if (node === undefined || !node.getData()) {
pgAdmin.Browser.notifier.alert(
gettext('PSQL Error'),
gettext('No object selected.')
);
return;
}
parentData = pgBrowser.tree.getTreeNodeHierarchy(treeIdentifier);
if(_.isUndefined(parentData.server)) {
pgAdmin.Browser.notifier.alert(
gettext('PSQL Error'),
gettext('Please select a server/database object.')
);
return;
}
const transId = getRandomInt(1, 9999999);
let panelTitle = '';
// Set psql tab title as per prefrences setting.
let title_data = {
'database': parentData.database ? _.unescape(parentData.database.label) : 'postgres' ,
'username': parentData.server.user.name,
'server': parentData.server.label,
'type': 'psql_tool',
};
let tab_title_placeholder = usePreferences.getState().getPreferencesForModule('browser').psql_tab_title_placeholder;
panelTitle = generateTitle(tab_title_placeholder, title_data);
const [panelUrl, db_label] = this.getPanelUrls(transId, parentData);
const escapedTitle = _.escape(panelTitle);
const open_new_tab = usePreferences.getState().getPreferencesForModule('browser').new_browser_tab_open;
pgAdmin.Browser.Events.trigger(
'pgadmin:tool:show',
`${BROWSER_PANELS.PSQL_TOOL}_${transId}`,
panelUrl,
{title: escapedTitle, db: db_label},
{title: panelTitle, icon: 'fas fa-terminal psql-tab-style', manualClose: false, renamable: true},
Boolean(open_new_tab?.includes('psql_tool'))
);
return true;
},
getPanelUrls: function(transId, pData) {
let openUrl = url_for('psql.panel', {
trans_id: transId,
});
const misc_preferences = usePreferences.getState().getPreferencesForModule('misc');
let theme = misc_preferences.theme;
openUrl += `?sgid=${pData.server_group._id}`
+`&sid=${pData.server._id}`
+`&did=${pData.database._id}`
+`&server_type=${pData.server.server_type}`
+ `&theme=${theme}`;
if(pData.database?._id) {
openUrl += `&db=${encodeURIComponent(pData.database._label)}`;
} else {
openUrl += `&db=${''}`;
}
return [openUrl, pData.database._label];
},
psql_terminal: function() {
// theme colors
return new terminal({
cursorBlink: true,
scrollback: 5000,
});
},
psql_Addon: function(term) {
const fitAddon = this.psql_fit_screen();
term.loadAddon(fitAddon);
const webLinksAddon = this.psql_web_link();
term.loadAddon(webLinksAddon);
const searchAddon = this.psql_search();
term.loadAddon(searchAddon);
fitAddon.fit();
term.resize(15, 50);
fitAddon.fit();
return fitAddon;
},
psql_fit_screen: function() {
return new FitAddon();
},
psql_web_link: function() {
return new WebLinksAddon();
},
psql_search: function() {
return new SearchAddon();
},
psql_socket: function() {
return io('/pty', {
path: `${url_for('pgadmin.root')}/socket.io`,
pingTimeout: 120000,
pingInterval: 25000
});
},
set_theme: function(term) {
let theme = {
background: getComputedStyle(document.documentElement).getPropertyValue('--psql-background'),
foreground: getComputedStyle(document.documentElement).getPropertyValue('--psql-foreground'),
cursor: getComputedStyle(document.documentElement).getPropertyValue('--psql-cursor'),
cursorAccent: getComputedStyle(document.documentElement).getPropertyValue('--psql-cursorAccent'),
selection: getComputedStyle(document.documentElement).getPropertyValue('--psql-selection'),
};
term.setOption('theme', theme);
},
psql_socket_io: function(socket, is_enable, sid, db, server_type, fitAddon, term, role) {
// Listen all the socket events emit from server.
let init_psql = true;
socket.on('pty-output', function(data){
if(data.error) {
term.write('\r\n');
}
term.write(data.result);
if(data.error) {
term.write('\r\n');
}
if (init_psql && data && role !== 'None') {
// setting role if available
socket.emit('socket_set_role',{'role': _.unescape(role)});
init_psql = false;
}
});
// Connect socket
socket.on('connect', () => {
if(is_enable == 'True'){
socket.emit('start_process', {'sid': sid, 'db': db, 'stype': server_type });
}
fitAddon.fit();
socket.emit('resize', {'cols': term.cols, 'rows': term.rows});
});
socket.on('conn_error', (response) => {
term.write(response.error);
fitAddon.fit();
socket.emit('resize', {'cols': term.cols, 'rows': term.rows});
});
socket.on('conn_not_allow', () => {
term.write('PSQL connection not allowed');
fitAddon.fit();
socket.emit('resize', {'cols': term.cols, 'rows': term.rows});
});
socket.on('disconnect-psql', () => {
socket.emit('server-disconnect', {'sid': sid});
term.write('\r\nServer disconnected, Connection terminated, To create new connection please open another psql tool.');
});
},
psql_terminal_io: function(term, socket, platform) {
// Listen key press event from terminal and emit socket event.
term.attachCustomKeyEventHandler(e => {
e.stopPropagation();
if(e.type=='keydown' && (e.metaKey || e.ctrlKey) && (e.key == 'c' || e.key == 'C')) {
let selected_text = term.getSelection();
navigator.permissions.query({ name: 'clipboard-write' }).then(function(result) {
if(result.state === 'granted' || result.state === 'prompt') {
copyToClipboard(selected_text);
} else {
pgAdmin.Browser.notifier.alert(gettext('Clipboard write permission required'), gettext('To copy data from PSQL terminal, Clipboard write permission required.'));
}
});
} else {
self.pgAdmin.Browser.keyboardNavigation.triggerIframeEventsBroadcast(e,true);
}
return !(e.ctrlKey && platform == 'win32');
});
term.textarea.addEventListener('paste', function() {
navigator.permissions.query({ name: 'clipboard-read' }).then(function(result) {
if(result.state === 'granted' || result.state === 'prompt') {
navigator.clipboard.readText().then( clipText => {
let selected_text = clipText;
if (selected_text.length > 0) {
socket.emit('socket_input', {'input': selected_text, 'key_name': 'paste'});
}
});
} else{
pgAdmin.Browser.notifier.alert(gettext('Clipboard read permission required'), gettext('To paste data on the PSQL terminal, Clipboard read permission required.'));
}
});
});
term.onKey(function (ev) {
socket.emit('socket_input', {'input': ev.key, 'key_name': ev.domEvent.code});
});
},
check_db_name_change: function(db_name, o_db_name) {
if (db_name != o_db_name) {
let selected_item = pgWindow.pgAdmin.Browser.tree.selected(),
tree_data = pgWindow.pgAdmin.Browser.tree.translateTreeNodeIdFromReactTree(selected_item),
database_data = pgWindow.pgAdmin.Browser.tree.findNode(tree_data[3]),
dbNode = database_data.domNode;
let message = `Current database has been moved or renamed to ${o_db_name}. Click on the OK button to refresh the database name, and reopen the psql again.`;
refresh_db_node(message, dbNode);
}
},
psql_mount: async function(params){
self.pgAdmin.Browser.keyboardNavigation.init();
await listenPreferenceBroadcast();
const term = self.pgAdmin.Browser.psql.psql_terminal();
/* Addon for fitAddon, webLinkAddon, SearchAddon */
const fitAddon = self.pgAdmin.Browser.psql.psql_Addon(term);
/* Update the theme for terminal as per pgAdmin 4 theme. */
self.pgAdmin.Browser.psql.set_theme(term);
/* Open the terminal */
term.open(document.getElementById('psql-terminal'));
/* Socket */
const socket = self.pgAdmin.Browser.psql.psql_socket();
self.pgAdmin.Browser.psql.psql_socket_io(socket, params.is_enable, params.sid, params.db, params.server_type, fitAddon, term, params.role);
self.pgAdmin.Browser.psql.psql_terminal_io(term, socket, params.platform);
self.pgAdmin.Browser.psql.check_db_name_change(params.db, params.o_db_name);
/* Set terminal size */
setTimeout(function(){
socket.emit('resize', {'cols': term.cols, 'rows': term.rows});
}, 1000);
/* Resize the terminal */
function fitToscreen(){
fitAddon.fit();
socket.emit('resize', {'cols': term.cols, 'rows': term.rows});
}
function debounce(func, wait_ms) {
let timeout;
return function(...args) {
const context = this;
clearTimeout(timeout);
timeout = setTimeout(() => func.apply(context, args), wait_ms);
};
}
window.onresize = debounce(fitToscreen, 25);
}
};
return pgBrowser.psql;
}