90 lines
4.4 KiB
JavaScript
90 lines
4.4 KiB
JavaScript
const core = require('@actions/core');
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const child_process = require('child_process');
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const fs = require('fs');
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const os = require('os');
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const crypto = require('crypto');
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try {
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const privateKey = core.getInput('ssh-private-key');
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if (!privateKey) {
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core.setFailed("The ssh-private-key argument is empty. Maybe the secret has not been configured, or you are using a wrong secret name in your workflow file.");
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return;
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}
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var home;
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if (process.env['OS'] == 'Windows_NT') {
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console.log('Preparing ssh-agent service on Windows');
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child_process.execSync('sc config ssh-agent start=demand', { stdio: 'inherit' });
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home = os.homedir();
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} else {
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// Use getent() system call, since this is what ssh does; makes a difference in Docker-based
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// Action runs, where $HOME is different from the pwent
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var { homedir: home } = os.userInfo();
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}
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const homeSsh = home + '/.ssh';
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console.log(`Adding GitHub.com keys to ${homeSsh}/known_hosts`);
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fs.mkdirSync(homeSsh, { recursive: true });
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fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n');
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fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-dss 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\n');
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console.log("Starting ssh-agent");
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const authSock = core.getInput('ssh-auth-sock');
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let sshAgentOutput = ''
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if (authSock && authSock.length > 0) {
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sshAgentOutput = child_process.execFileSync('ssh-agent', ['-a', authSock]);
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} else {
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sshAgentOutput = child_process.execFileSync('ssh-agent')
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}
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// Extract auth socket path and agent pid and set them as job variables
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const lines = sshAgentOutput.toString().split("\n")
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for (const lineNumber in lines) {
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const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(lines[lineNumber])
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if (matches && matches.length > 0) {
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core.exportVariable(matches[1], matches[2])
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}
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}
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console.log("Adding private key to agent");
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privateKey.split(/(?=-----BEGIN)/).forEach(function(key) {
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child_process.execSync('ssh-add -', { input: key.trim() + "\n" });
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});
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console.log("Keys added:");
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child_process.execSync('ssh-add -l', { stdio: 'inherit' });
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child_process.execFileSync('ssh-add', ['-L']).toString().split(/\r?\n/).forEach(function(key) {
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let parts = key.match(/\bgithub.com[:/](.*)(?:\.git)?\b/);
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if (parts == null) {
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return;
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}
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let ownerAndRepo = parts[1];
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let sha256 = crypto.createHash('sha256').update(key).digest('hex');
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fs.writeFileSync(`${homeSsh}/${sha256}`, key + "\n", { mode: '600' });
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child_process.execSync(`git config --global --replace-all url."git@${sha256}:${ownerAndRepo}".insteadOf "https://github.com/${ownerAndRepo}"`);
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child_process.execSync(`git config --global --add url."git@${sha256}:${ownerAndRepo}".insteadOf "git@github.com:${ownerAndRepo}"`);
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child_process.execSync(`git config --global --add url."git@${sha256}:${ownerAndRepo}".insteadOf "ssh://git@github.com/${ownerAndRepo}"`);
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let sshConfig = `\nHost ${sha256}\n`
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+ ` HostName github.com\n`
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+ ` User git\n`
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+ ` IdentityFile ${homeSsh}/${sha256}\n`;
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fs.appendFileSync(`${homeSsh}/config`, sshConfig);
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console.log(`Added deploy-key mapping: Use key "${key}" for GitHub repository ${ownerAndRepo}, key file "${sha256}"`);
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});
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} catch (error) {
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core.setFailed(error.message);
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}
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