113 lines
4.1 KiB
JavaScript
113 lines
4.1 KiB
JavaScript
const { execSync, execFileSync } = require('child_process');
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const path = require('path').posix;
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const fs = require('fs');
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const { canAccess, sort, isExecutable, newLineRegex } = require('./util');
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function findChromeExecutablesForLinuxDesktop(folder, includeChromium = false) {
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const argumentsRegex = /(^[^ ]+).*/; // Take everything up to the first space
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const chromeExecRegex = '^Exec=\/.*\/(google|chrome' + (includeChromium ? '|chromium' : '') + ')-.*';
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let installations = [];
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if (canAccess(folder)) {
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// Output of the grep & print looks like:
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// /opt/google/chrome/google-chrome --profile-directory
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// /home/user/Downloads/chrome-linux/chrome-wrapper %U
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let execPaths;
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execPaths = execSync(`find "${folder}" -type f -exec grep -E "${chromeExecRegex}" "{}" \\; | awk -F '=' '{print $2}'`);
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execPaths = execPaths
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.toString()
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.split(newLineRegex)
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.map((execPath) => execPath.replace(argumentsRegex, '$1'));
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execPaths.forEach((execPath) => canAccess(execPath) && installations.push(execPath));
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}
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return installations;
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}
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function findChromeExecutablesForLinux(validChromePaths, includeChromium = false) {
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const executables = [
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'google-chrome-stable',
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'google-chrome',
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... includeChromium ? ['chromium', 'chromium-browser', 'chromium/chrome'] : [] // chromium/chrome is for toradex machines where "chromium" is a directory. seen on Angstrom v2016.12
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];
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return executables.map(executable => {
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const existingPaths = validChromePaths.map(possiblePath => {
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try {
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const chromePathToTest = possiblePath + '/' + executable;
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if (fs.existsSync(chromePathToTest) && canAccess(chromePathToTest) && isExecutable(chromePathToTest)) {
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return [ chromePathToTest ];
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}
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} catch (err) {
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// not installed on this path or inaccessible
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}
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return [];
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}).reduce((acc, val) => acc.concat(val), []); //.filter((foundChromePath) => foundChromePath);
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// skip asking "which" command if the binary was found by searching the known paths.
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if (existingPaths && existingPaths.length > 0) {
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return existingPaths;
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}
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try {
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const chromePath = execFileSync('which', [executable]).toString().split(newLineRegex)[0];
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if (canAccess(chromePath)) {
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return [ chromePath ];
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}
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} catch (err) {
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// cmd which not installed.
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}
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return [];
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}).reduce((acc, val) => acc.concat(val), []);
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}
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/**
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* Look for linux executables in 2 ways
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* 1. Look into the directories where .desktop are saved on gnome based distro's
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* 2. Look for google-chrome-stable and google-chrome executables by using the which command
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* If includeChromium is set, also look for chromium, chromium-browser, and chromium/chrome executables by using the which command
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*/
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function linux(includeChromium = false) {
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let installations = [];
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// 1. Look into the directories where .desktop are saved on gnome based distro's
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const desktopInstallationFolders = [
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path.join(require('os').homedir(), '.local/share/applications/'),
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'/usr/share/applications/',
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];
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desktopInstallationFolders.forEach(folder => {
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installations = installations.concat(findChromeExecutablesForLinuxDesktop(folder, includeChromium));
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});
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// 2. Look for google-chrome-stable and google-chrome (and optionally chromium, chromium-browser, and chromium-chrome) executables by using the which command
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// see http://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/
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const validChromePaths = [
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'/usr/bin',
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'/usr/local/bin',
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'/usr/sbin',
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'/usr/local/sbin',
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'/opt/bin',
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'/usr/bin/X11',
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'/usr/X11R6/bin'
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];
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installations = installations.concat(findChromeExecutablesForLinux(validChromePaths, includeChromium));
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const priorities = [
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{ regex: /chromium$/, weight: 52 },
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{ regex: /chrome-wrapper$/, weight: 51 },
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{ regex: /google-chrome-stable$/, weight: 50 },
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{ regex: /google-chrome$/, weight: 49 },
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{ regex: /chromium-browser$/, weight: 48 },
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{ regex: /chrome$/, weight: 47 },
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];
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return sort(Array.from(new Set(installations.filter(Boolean))), priorities);
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}
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module.exports = linux;
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