Initial commitHEADmane

1 files changed, 212 insertions, 0 deletions

diff --git a/node_modules/systeminformation/lib/printer.js b/node_modules/systeminformation/lib/printer.js
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+++ b/node_modules/systeminformation/lib/printer.js
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+'use strict';
+// @ts-check
+// ==================================================================================
+// printers.js
+// ----------------------------------------------------------------------------------
+// Description:   System Information - library
+//                for Node.js
+// Copyright:     (c) 2014 - 2022
+// Author:        Sebastian Hildebrandt
+// ----------------------------------------------------------------------------------
+// License:       MIT
+// ==================================================================================
+// 15. printers
+// ----------------------------------------------------------------------------------
+
+const exec = require('child_process').exec;
+// const execSync = require('child_process').execSync;
+const util = require('./util');
+// const fs = require('fs');
+
+let _platform = process.platform;
+
+const _linux = (_platform === 'linux' || _platform === 'android');
+const _darwin = (_platform === 'darwin');
+const _windows = (_platform === 'win32');
+const _freebsd = (_platform === 'freebsd');
+const _openbsd = (_platform === 'openbsd');
+const _netbsd = (_platform === 'netbsd');
+const _sunos = (_platform === 'sunos');
+
+const winPrinterStatus = {
+  1: 'Other',
+  2: 'Unknown',
+  3: 'Idle',
+  4: 'Printing',
+  5: 'Warmup',
+  6: 'Stopped Printing',
+  7: 'Offline',
+};
+
+function parseLinuxCupsHeader(lines) {
+  const result = {};
+  if (lines && lines.length) {
+    if (lines[0].indexOf(' CUPS v') > 0) {
+      const parts = lines[0].split(' CUPS v');
+      result.cupsVersion = parts[1];
+    }
+  }
+  return result;
+}
+
+function parseLinuxCupsPrinter(lines) {
+  const result = {};
+  const printerId = util.getValue(lines, 'PrinterId', ' ');
+  result.id = printerId ? parseInt(printerId, 10) : null;
+  result.name = util.getValue(lines, 'Info', ' ');
+  result.model = lines.length > 0 && lines[0] ? lines[0].split(' ')[0] : '';
+  result.uri = util.getValue(lines, 'DeviceURI', ' ');
+  result.uuid = util.getValue(lines, 'UUID', ' ');
+  result.status = util.getValue(lines, 'State', ' ');
+  result.local = util.getValue(lines, 'Location', ' ').toLowerCase().startsWith('local');
+  result.default = null;
+  result.shared = util.getValue(lines, 'Shared', ' ').toLowerCase().startsWith('yes');
+
+  return result;
+}
+
+function parseLinuxLpstatPrinter(lines, id) {
+  const result = {};
+  result.id = id;
+  result.name = util.getValue(lines, 'Description', ':', true);
+  result.model = lines.length > 0 && lines[0] ? lines[0].split(' ')[0] : '';
+  result.uri = null;
+  result.uuid = null;
+  result.status = lines.length > 0 && lines[0] ? (lines[0].indexOf(' idle') > 0 ? 'idle' : (lines[0].indexOf(' printing') > 0 ? 'printing' : 'unknown')) : null;
+  result.local = util.getValue(lines, 'Location', ':', true).toLowerCase().startsWith('local');
+  result.default = null;
+  result.shared = util.getValue(lines, 'Shared', ' ').toLowerCase().startsWith('yes');
+
+  return result;
+}
+
+function parseDarwinPrinters(printerObject, id) {
+  const result = {};
+  const uriParts = printerObject.uri.split('/');
+  result.id = id;
+  result.name = printerObject._name;
+  result.model = uriParts.length ? uriParts[uriParts.length - 1] : '';
+  result.uri = printerObject.uri;
+  result.uuid = null;
+  result.status = printerObject.status;
+  result.local = printerObject.printserver === 'local';
+  result.default = printerObject.default === 'yes';
+  result.shared = printerObject.shared === 'yes';
+
+  return result;
+}
+
+function parseWindowsPrinters(lines, id) {
+  const result = {};
+  const status = parseInt(util.getValue(lines, 'PrinterStatus', ':'), 10);
+
+  result.id = id;
+  result.name = util.getValue(lines, 'name', ':');
+  result.model = util.getValue(lines, 'DriverName', ':');
+  result.uri = null;
+  result.uuid = null;
+  result.status = winPrinterStatus[status] ? winPrinterStatus[status] : null;
+  result.local = util.getValue(lines, 'Local', ':').toUpperCase() === 'TRUE';
+  result.default = util.getValue(lines, 'Default', ':').toUpperCase() === 'TRUE';
+  result.shared = util.getValue(lines, 'Shared', ':').toUpperCase() === 'TRUE';
+
+  return result;
+}
+
+function printer(callback) {
+
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+      let result = [];
+      if (_linux || _freebsd || _openbsd || _netbsd) {
+        let cmd = 'cat /etc/cups/printers.conf 2>/dev/null';
+        exec(cmd, function (error, stdout) {
+          // printers.conf
+          if (!error) {
+            const parts = stdout.toString().split('<Printer ');
+            const printerHeader = parseLinuxCupsHeader(parts[0]);
+            for (let i = 1; i < parts.length; i++) {
+              const printers = parseLinuxCupsPrinter(parts[i].split('\n'));
+              if (printers.name) {
+                printers.engine = 'CUPS';
+                printers.engineVersion = printerHeader.cupsVersion;
+                result.push(printers);
+              }
+            }
+          }
+          if (result.length === 0) {
+            if (_linux) {
+              cmd = 'export LC_ALL=C; lpstat -lp 2>/dev/null; unset LC_ALL';
+              // lpstat
+              exec(cmd, function (error, stdout) {
+                const parts = ('\n' + stdout.toString()).split('\nprinter ');
+                for (let i = 1; i < parts.length; i++) {
+                  const printers = parseLinuxLpstatPrinter(parts[i].split('\n'), i);
+                  result.push(printers);
+                }
+              });
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            } else {
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            }
+          } else {
+            if (callback) {
+              callback(result);
+            }
+            resolve(result);
+          }
+        });
+      }
+      if (_darwin) {
+        let cmd = 'system_profiler SPPrintersDataType -json';
+        exec(cmd, function (error, stdout) {
+          if (!error) {
+            try {
+              const outObj = JSON.parse(stdout.toString());
+              if (outObj.SPPrintersDataType && outObj.SPPrintersDataType.length) {
+                for (let i = 0; i < outObj.SPPrintersDataType.length; i++) {
+                  const printer = parseDarwinPrinters(outObj.SPPrintersDataType[i], i);
+                  result.push(printer);
+                }
+              }
+            } catch (e) {
+              util.noop();
+            }
+          }
+          if (callback) {
+            callback(result);
+          }
+          resolve(result);
+        });
+      }
+      if (_windows) {
+        util.powerShell('Get-WmiObject Win32_Printer | select PrinterStatus,Name,DriverName,Local,Default,Shared | fl').then((stdout, error) => {
+          if (!error) {
+            const parts = stdout.toString().split(/\n\s*\n/);
+            for (let i = 0; i < parts.length; i++) {
+              const printer = parseWindowsPrinters(parts[i].split('\n'), i);
+              if (printer.name || printer.model) {
+                result.push(parseWindowsPrinters(parts[i].split('\n'), i));
+              }
+            }
+          }
+          if (callback) {
+            callback(result);
+          }
+          resolve(result);
+        });
+      }
+      if (_sunos) {
+        resolve(null);
+      }
+    });
+  });
+}
+
+exports.printer = printer;