mirror of
https://code.forgejo.org/actions/checkout.git
synced 2025-11-04 06:39:11 +00:00
387 lines
13 KiB
TypeScript
387 lines
13 KiB
TypeScript
import * as assert from 'assert'
|
|
import * as core from '@actions/core'
|
|
import * as exec from '@actions/exec'
|
|
import * as fs from 'fs'
|
|
import * as io from '@actions/io'
|
|
import * as os from 'os'
|
|
import * as path from 'path'
|
|
import * as regexpHelper from './regexp-helper'
|
|
import * as stateHelper from './state-helper'
|
|
import * as urlHelper from './url-helper'
|
|
import {default as uuid} from 'uuid/v4'
|
|
import {IGitCommandManager} from './git-command-manager'
|
|
import {IGitSourceSettings} from './git-source-settings'
|
|
|
|
const IS_WINDOWS = process.platform === 'win32'
|
|
const SSH_COMMAND_KEY = 'core.sshCommand'
|
|
|
|
export interface IGitAuthHelper {
|
|
configureAuth(): Promise<void>
|
|
configureGlobalAuth(): Promise<void>
|
|
configureSubmoduleAuth(): Promise<void>
|
|
configureTempGlobalConfig(repositoryPath?: string): Promise<string>
|
|
removeAuth(): Promise<void>
|
|
removeGlobalConfig(): Promise<void>
|
|
}
|
|
|
|
export function createAuthHelper(
|
|
git: IGitCommandManager,
|
|
settings?: IGitSourceSettings
|
|
): IGitAuthHelper {
|
|
return new GitAuthHelper(git, settings)
|
|
}
|
|
|
|
class GitAuthHelper {
|
|
private readonly git: IGitCommandManager
|
|
private readonly settings: IGitSourceSettings
|
|
private readonly tokenConfigKey: string
|
|
private readonly tokenConfigValue: string
|
|
private readonly tokenPlaceholderConfigValue: string
|
|
private readonly insteadOfKey: string
|
|
private readonly insteadOfValues: string[] = []
|
|
private sshCommand = ''
|
|
private sshKeyPath = ''
|
|
private sshKnownHostsPath = ''
|
|
private temporaryHomePath = ''
|
|
|
|
constructor(
|
|
gitCommandManager: IGitCommandManager,
|
|
gitSourceSettings: IGitSourceSettings | undefined
|
|
) {
|
|
this.git = gitCommandManager
|
|
this.settings = gitSourceSettings || (({} as unknown) as IGitSourceSettings)
|
|
|
|
// Token auth header
|
|
const serverUrl = urlHelper.getServerUrl()
|
|
this.tokenConfigKey = `http.${serverUrl.origin}/.extraheader` // "origin" is SCHEME://HOSTNAME[:PORT]
|
|
const basicCredential = Buffer.from(
|
|
`x-access-token:${this.settings.authToken}`,
|
|
'utf8'
|
|
).toString('base64')
|
|
core.setSecret(basicCredential)
|
|
this.tokenPlaceholderConfigValue = `AUTHORIZATION: basic ***`
|
|
this.tokenConfigValue = `AUTHORIZATION: basic ${basicCredential}`
|
|
|
|
// Instead of SSH URL
|
|
this.insteadOfKey = `url.${serverUrl.origin}/.insteadOf` // "origin" is SCHEME://HOSTNAME[:PORT]
|
|
this.insteadOfValues.push(`git@${serverUrl.hostname}:`)
|
|
if (this.settings.workflowOrganizationId) {
|
|
this.insteadOfValues.push(
|
|
`org-${this.settings.workflowOrganizationId}@github.com:`
|
|
)
|
|
}
|
|
}
|
|
|
|
async configureAuth(): Promise<void> {
|
|
// Remove possible previous values
|
|
await this.removeAuth()
|
|
|
|
// Configure new values
|
|
await this.configureSsh()
|
|
await this.configureToken()
|
|
}
|
|
|
|
async configureTempGlobalConfig(repositoryPath?: string): Promise<string> {
|
|
// Already setup global config
|
|
if (this.temporaryHomePath?.length > 0) {
|
|
return path.join(this.temporaryHomePath, '.gitconfig')
|
|
}
|
|
// Create a temp home directory
|
|
const runnerTemp = process.env['RUNNER_TEMP'] || ''
|
|
assert.ok(runnerTemp, 'RUNNER_TEMP is not defined')
|
|
const uniqueId = uuid()
|
|
this.temporaryHomePath = path.join(runnerTemp, uniqueId)
|
|
await fs.promises.mkdir(this.temporaryHomePath, {recursive: true})
|
|
|
|
// Copy the global git config
|
|
const gitConfigPath = path.join(
|
|
process.env['HOME'] || os.homedir(),
|
|
'.gitconfig'
|
|
)
|
|
const newGitConfigPath = path.join(this.temporaryHomePath, '.gitconfig')
|
|
let configExists = false
|
|
try {
|
|
await fs.promises.stat(gitConfigPath)
|
|
configExists = true
|
|
} catch (err) {
|
|
if ((err as any)?.code !== 'ENOENT') {
|
|
throw err
|
|
}
|
|
}
|
|
if (configExists) {
|
|
core.info(`Copying '${gitConfigPath}' to '${newGitConfigPath}'`)
|
|
await io.cp(gitConfigPath, newGitConfigPath)
|
|
} else {
|
|
await fs.promises.writeFile(newGitConfigPath, '')
|
|
}
|
|
|
|
// Override HOME
|
|
core.info(
|
|
`Temporarily overriding HOME='${this.temporaryHomePath}' before making global git config changes`
|
|
)
|
|
this.git.setEnvironmentVariable('HOME', this.temporaryHomePath)
|
|
|
|
// Setup the workspace as a safe directory, so if we pass this into a container job with a different user it doesn't fail
|
|
// Otherwise all git commands we run in a container fail
|
|
core.info(
|
|
`Adding working directory to the temporary git global config as a safe directory`
|
|
)
|
|
await this.git
|
|
.config(
|
|
'safe.directory',
|
|
repositoryPath ?? this.settings.repositoryPath,
|
|
true,
|
|
true
|
|
)
|
|
.catch(error => {
|
|
core.info(`Failed to initialize safe directory with error: ${error}`)
|
|
})
|
|
return newGitConfigPath
|
|
}
|
|
|
|
async configureGlobalAuth(): Promise<void> {
|
|
// 'configureTempGlobalConfig' noops if already set, just returns the path
|
|
const newGitConfigPath = await this.configureTempGlobalConfig()
|
|
try {
|
|
// Configure the token
|
|
await this.configureToken(newGitConfigPath, true)
|
|
|
|
// Configure HTTPS instead of SSH
|
|
await this.git.tryConfigUnset(this.insteadOfKey, true)
|
|
if (!this.settings.sshKey) {
|
|
for (const insteadOfValue of this.insteadOfValues) {
|
|
await this.git.config(this.insteadOfKey, insteadOfValue, true, true)
|
|
}
|
|
}
|
|
} catch (err) {
|
|
// Unset in case somehow written to the real global config
|
|
core.info(
|
|
'Encountered an error when attempting to configure token. Attempting unconfigure.'
|
|
)
|
|
await this.git.tryConfigUnset(this.tokenConfigKey, true)
|
|
throw err
|
|
}
|
|
}
|
|
|
|
async configureSubmoduleAuth(): Promise<void> {
|
|
// Remove possible previous HTTPS instead of SSH
|
|
await this.removeGitConfig(this.insteadOfKey, true)
|
|
|
|
if (this.settings.persistCredentials) {
|
|
// Configure a placeholder value. This approach avoids the credential being captured
|
|
// by process creation audit events, which are commonly logged. For more information,
|
|
// refer to https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/manage/component-updates/command-line-process-auditing
|
|
const output = await this.git.submoduleForeach(
|
|
`git config --local '${this.tokenConfigKey}' '${this.tokenPlaceholderConfigValue}' && git config --local --show-origin --name-only --get-regexp remote.origin.url`,
|
|
this.settings.nestedSubmodules
|
|
)
|
|
|
|
// Replace the placeholder
|
|
const configPaths: string[] =
|
|
output.match(/(?<=(^|\n)file:)[^\t]+(?=\tremote\.origin\.url)/g) || []
|
|
for (const configPath of configPaths) {
|
|
core.debug(`Replacing token placeholder in '${configPath}'`)
|
|
await this.replaceTokenPlaceholder(configPath)
|
|
}
|
|
|
|
if (this.settings.sshKey) {
|
|
// Configure core.sshCommand
|
|
await this.git.submoduleForeach(
|
|
`git config --local '${SSH_COMMAND_KEY}' '${this.sshCommand}'`,
|
|
this.settings.nestedSubmodules
|
|
)
|
|
} else {
|
|
// Configure HTTPS instead of SSH
|
|
for (const insteadOfValue of this.insteadOfValues) {
|
|
await this.git.submoduleForeach(
|
|
`git config --local --add '${this.insteadOfKey}' '${insteadOfValue}'`,
|
|
this.settings.nestedSubmodules
|
|
)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
async removeAuth(): Promise<void> {
|
|
await this.removeSsh()
|
|
await this.removeToken()
|
|
}
|
|
|
|
async removeGlobalConfig(): Promise<void> {
|
|
if (this.temporaryHomePath?.length > 0) {
|
|
core.debug(`Unsetting HOME override`)
|
|
this.git.removeEnvironmentVariable('HOME')
|
|
await io.rmRF(this.temporaryHomePath)
|
|
}
|
|
}
|
|
|
|
private async configureSsh(): Promise<void> {
|
|
if (!this.settings.sshKey) {
|
|
return
|
|
}
|
|
|
|
// Write key
|
|
const runnerTemp = process.env['RUNNER_TEMP'] || ''
|
|
assert.ok(runnerTemp, 'RUNNER_TEMP is not defined')
|
|
const uniqueId = uuid()
|
|
this.sshKeyPath = path.join(runnerTemp, uniqueId)
|
|
stateHelper.setSshKeyPath(this.sshKeyPath)
|
|
await fs.promises.mkdir(runnerTemp, {recursive: true})
|
|
await fs.promises.writeFile(
|
|
this.sshKeyPath,
|
|
this.settings.sshKey.trim() + '\n',
|
|
{mode: 0o600}
|
|
)
|
|
|
|
// Remove inherited permissions on Windows
|
|
if (IS_WINDOWS) {
|
|
const icacls = await io.which('icacls.exe')
|
|
await exec.exec(
|
|
`"${icacls}" "${this.sshKeyPath}" /grant:r "${process.env['USERDOMAIN']}\\${process.env['USERNAME']}:F"`
|
|
)
|
|
await exec.exec(`"${icacls}" "${this.sshKeyPath}" /inheritance:r`)
|
|
}
|
|
|
|
// Write known hosts
|
|
const userKnownHostsPath = path.join(os.homedir(), '.ssh', 'known_hosts')
|
|
let userKnownHosts = ''
|
|
try {
|
|
userKnownHosts = (
|
|
await fs.promises.readFile(userKnownHostsPath)
|
|
).toString()
|
|
} catch (err) {
|
|
if ((err as any)?.code !== 'ENOENT') {
|
|
throw err
|
|
}
|
|
}
|
|
let knownHosts = ''
|
|
if (userKnownHosts) {
|
|
knownHosts += `# Begin from ${userKnownHostsPath}\n${userKnownHosts}\n# End from ${userKnownHostsPath}\n`
|
|
}
|
|
if (this.settings.sshKnownHosts) {
|
|
knownHosts += `# Begin from input known hosts\n${this.settings.sshKnownHosts}\n# end from input known hosts\n`
|
|
}
|
|
knownHosts += `# Begin implicitly added github.com\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n# End implicitly added github.com\n`
|
|
this.sshKnownHostsPath = path.join(runnerTemp, `${uniqueId}_known_hosts`)
|
|
stateHelper.setSshKnownHostsPath(this.sshKnownHostsPath)
|
|
await fs.promises.writeFile(this.sshKnownHostsPath, knownHosts)
|
|
|
|
// Configure GIT_SSH_COMMAND
|
|
const sshPath = await io.which('ssh', true)
|
|
this.sshCommand = `"${sshPath}" -i "$RUNNER_TEMP/${path.basename(
|
|
this.sshKeyPath
|
|
)}"`
|
|
if (this.settings.sshStrict) {
|
|
this.sshCommand += ' -o StrictHostKeyChecking=yes -o CheckHostIP=no'
|
|
}
|
|
this.sshCommand += ` -o "UserKnownHostsFile=$RUNNER_TEMP/${path.basename(
|
|
this.sshKnownHostsPath
|
|
)}"`
|
|
core.info(`Temporarily overriding GIT_SSH_COMMAND=${this.sshCommand}`)
|
|
this.git.setEnvironmentVariable('GIT_SSH_COMMAND', this.sshCommand)
|
|
|
|
// Configure core.sshCommand
|
|
if (this.settings.persistCredentials) {
|
|
await this.git.config(SSH_COMMAND_KEY, this.sshCommand)
|
|
}
|
|
}
|
|
|
|
private async configureToken(
|
|
configPath?: string,
|
|
globalConfig?: boolean
|
|
): Promise<void> {
|
|
// Validate args
|
|
assert.ok(
|
|
(configPath && globalConfig) || (!configPath && !globalConfig),
|
|
'Unexpected configureToken parameter combinations'
|
|
)
|
|
|
|
// Default config path
|
|
if (!configPath && !globalConfig) {
|
|
configPath = path.join(this.git.getWorkingDirectory(), '.git', 'config')
|
|
}
|
|
|
|
// Configure a placeholder value. This approach avoids the credential being captured
|
|
// by process creation audit events, which are commonly logged. For more information,
|
|
// refer to https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/manage/component-updates/command-line-process-auditing
|
|
await this.git.config(
|
|
this.tokenConfigKey,
|
|
this.tokenPlaceholderConfigValue,
|
|
globalConfig
|
|
)
|
|
|
|
// Replace the placeholder
|
|
await this.replaceTokenPlaceholder(configPath || '')
|
|
}
|
|
|
|
private async replaceTokenPlaceholder(configPath: string): Promise<void> {
|
|
assert.ok(configPath, 'configPath is not defined')
|
|
let content = (await fs.promises.readFile(configPath)).toString()
|
|
const placeholderIndex = content.indexOf(this.tokenPlaceholderConfigValue)
|
|
if (
|
|
placeholderIndex < 0 ||
|
|
placeholderIndex != content.lastIndexOf(this.tokenPlaceholderConfigValue)
|
|
) {
|
|
throw new Error(`Unable to replace auth placeholder in ${configPath}`)
|
|
}
|
|
assert.ok(this.tokenConfigValue, 'tokenConfigValue is not defined')
|
|
content = content.replace(
|
|
this.tokenPlaceholderConfigValue,
|
|
this.tokenConfigValue
|
|
)
|
|
await fs.promises.writeFile(configPath, content)
|
|
}
|
|
|
|
private async removeSsh(): Promise<void> {
|
|
// SSH key
|
|
const keyPath = this.sshKeyPath || stateHelper.SshKeyPath
|
|
if (keyPath) {
|
|
try {
|
|
await io.rmRF(keyPath)
|
|
} catch (err) {
|
|
core.debug(`${(err as any)?.message ?? err}`)
|
|
core.warning(`Failed to remove SSH key '${keyPath}'`)
|
|
}
|
|
}
|
|
|
|
// SSH known hosts
|
|
const knownHostsPath =
|
|
this.sshKnownHostsPath || stateHelper.SshKnownHostsPath
|
|
if (knownHostsPath) {
|
|
try {
|
|
await io.rmRF(knownHostsPath)
|
|
} catch {
|
|
// Intentionally empty
|
|
}
|
|
}
|
|
|
|
// SSH command
|
|
await this.removeGitConfig(SSH_COMMAND_KEY)
|
|
}
|
|
|
|
private async removeToken(): Promise<void> {
|
|
// HTTP extra header
|
|
await this.removeGitConfig(this.tokenConfigKey)
|
|
}
|
|
|
|
private async removeGitConfig(
|
|
configKey: string,
|
|
submoduleOnly: boolean = false
|
|
): Promise<void> {
|
|
if (!submoduleOnly) {
|
|
if (
|
|
(await this.git.configExists(configKey)) &&
|
|
!(await this.git.tryConfigUnset(configKey))
|
|
) {
|
|
// Load the config contents
|
|
core.warning(`Failed to remove '${configKey}' from the git config`)
|
|
}
|
|
}
|
|
|
|
const pattern = regexpHelper.escape(configKey)
|
|
await this.git.submoduleForeach(
|
|
`git config --local --name-only --get-regexp '${pattern}' && git config --local --unset-all '${configKey}' || :`,
|
|
true
|
|
)
|
|
}
|
|
}
|