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Code Issues Releases Wiki Activity

Update helper

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This commit is contained in:
Ryan van Zeben 2023-06-16 17:26:30 +00:00
parent 96f53100ba
commit 0d6639250f
2 changed files with 56 additions and 79 deletions
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59
dist/index.js vendored
View file

@ -159,11 +159,11 @@ class GitAuthHelper {
this.sshKeyPath = '';
this.sshKnownHostsPath = '';
this.temporaryHomePath = '';
this.gitConfigPath = '';
this.git = gitCommandManager;
this.settings = gitSourceSettings || {};
// Token auth header
const serverUrl = urlHelper.getServerUrl(this.settings.githubServerUrl);
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 ***`;
@ -181,12 +181,15 @@ class GitAuthHelper {
yield this.removeAuth();
// Configure new values
yield this.configureSsh();
yield this.configureToken();
yield this.configureCredentialsHelper();
});
}
configureTempGlobalConfig() {
var _a, _b;
return __awaiter(this, void 0, void 0, function* () {
if (!!this.gitConfigPath) {
return this.gitConfigPath;
}
// Already setup global config
if (((_a = this.temporaryHomePath) === null || _a === void 0 ? void 0 : _a.length) > 0) {
return path.join(this.temporaryHomePath, '.gitconfig');
@ -199,7 +202,7 @@ class GitAuthHelper {
yield 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');
this.gitConfigPath = path.join(this.temporaryHomePath, '.gitconfig');
let configExists = false;
try {
yield fs.promises.stat(gitConfigPath);
@ -211,16 +214,31 @@ class GitAuthHelper {
}
}
if (configExists) {
core.info(`Copying '${gitConfigPath}' to '${newGitConfigPath}'`);
yield io.cp(gitConfigPath, newGitConfigPath);
core.info(`Copying '${gitConfigPath}' to '${this.gitConfigPath}'`);
yield io.cp(gitConfigPath, this.gitConfigPath);
}
else {
yield fs.promises.writeFile(newGitConfigPath, '');
yield fs.promises.writeFile(this.gitConfigPath, '');
}
// Override HOME
core.info(`Temporarily overriding HOME='${this.temporaryHomePath}' before making global git config changes`);
this.git.setEnvironmentVariable('HOME', this.temporaryHomePath);
return newGitConfigPath;
return this.gitConfigPath;
});
}
configureCredentialsHelper() {
return __awaiter(this, void 0, void 0, function* () {
if (this.settings.lfs) {
core.info(`lfs disabled, skipping custom credentials helper`);
return;
}
const newGitConfigPath = yield this.configureTempGlobalConfig();
const credentialHelper = `
[credential]
helper = "!f() { echo username=x-access-token; echo password=${this.tokenConfigValue}; };f"
`;
core.info(`Configuring git to use a custom credential helper for aut to handle git lfs`);
yield fs.promises.appendFile(newGitConfigPath, credentialHelper);
});
}
configureGlobalAuth() {
@ -229,7 +247,6 @@ class GitAuthHelper {
const newGitConfigPath = yield this.configureTempGlobalConfig();
try {
// Configure the token
yield this.configureToken(newGitConfigPath, true);
// Configure HTTPS instead of SSH
yield this.git.tryConfigUnset(this.insteadOfKey, true);
if (!this.settings.sshKey) {
@ -241,7 +258,6 @@ class GitAuthHelper {
catch (err) {
// Unset in case somehow written to the real global config
core.info('Encountered an error when attempting to configure token. Attempting unconfigure.');
yield this.git.tryConfigUnset(this.tokenConfigKey, true);
throw err;
}
});
@ -256,7 +272,7 @@ class GitAuthHelper {
// refer to https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/manage/component-updates/command-line-process-auditing
const output = yield this.git.submoduleForeach(
// wrap the pipeline in quotes to make sure it's handled properly by submoduleForeach, rather than just the first part of the pipeline
`sh -c "git config --local '${this.tokenConfigKey}' '${this.tokenPlaceholderConfigValue}' && git config --local --show-origin --name-only --get-regexp remote.origin.url"`, this.settings.nestedSubmodules);
`sh -c "git config --local --show-origin --name-only --get-regexp remote.origin.url"`, this.settings.nestedSubmodules);
// Replace the placeholder
const configPaths = output.match(/(?<=(^|\n)file:)[^\t]+(?=\tremote\.origin\.url)/g) || [];
for (const configPath of configPaths) {
@ -279,7 +295,6 @@ class GitAuthHelper {
removeAuth() {
return __awaiter(this, void 0, void 0, function* () {
yield this.removeSsh();
yield this.removeToken();
});
}
removeGlobalConfig() {
@ -349,22 +364,6 @@ class GitAuthHelper {
}
});
}
configureToken(configPath, globalConfig) {
return __awaiter(this, void 0, void 0, function* () {
// 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
yield this.git.config(this.tokenConfigKey, this.tokenPlaceholderConfigValue, globalConfig);
// Replace the placeholder
yield this.replaceTokenPlaceholder(configPath || '');
});
}
replaceTokenPlaceholder(configPath) {
return __awaiter(this, void 0, void 0, function* () {
assert.ok(configPath, 'configPath is not defined');
@ -407,12 +406,6 @@ class GitAuthHelper {
yield this.removeGitConfig(SSH_COMMAND_KEY);
});
}
removeToken() {
return __awaiter(this, void 0, void 0, function* () {
// HTTP extra header
yield this.removeGitConfig(this.tokenConfigKey);
});
}
removeGitConfig(configKey, submoduleOnly = false) {
return __awaiter(this, void 0, void 0, function* () {
if (!submoduleOnly) {

76
src/git-auth-helper.ts
View file

@ -20,6 +20,7 @@ export interface IGitAuthHelper {
configureGlobalAuth(): Promise<void>
configureSubmoduleAuth(): Promise<void>
configureTempGlobalConfig(): Promise<string>
configureCredentialsHelper(): Promise<void>
removeAuth(): Promise<void>
removeGlobalConfig(): Promise<void>
}
@ -34,7 +35,6 @@ export function createAuthHelper(
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
@ -43,6 +43,7 @@ class GitAuthHelper {
private sshKeyPath = ''
private sshKnownHostsPath = ''
private temporaryHomePath = ''
private gitConfigPath = ''
constructor(
gitCommandManager: IGitCommandManager,
@ -53,7 +54,6 @@ class GitAuthHelper {
// Token auth header
const serverUrl = urlHelper.getServerUrl(this.settings.githubServerUrl)
this.tokenConfigKey = `http.${serverUrl.origin}/.extraheader` // "origin" is SCHEME://HOSTNAME[:PORT]
const basicCredential = Buffer.from(
`x-access-token:${this.settings.authToken}`,
'utf8'
@ -78,10 +78,13 @@ class GitAuthHelper {
// Configure new values
await this.configureSsh()
await this.configureToken()
await this.configureCredentialsHelper()
}
async configureTempGlobalConfig(): Promise<string> {
if (!!this.gitConfigPath) {
return this.gitConfigPath
}
// Already setup global config
if (this.temporaryHomePath?.length > 0) {
return path.join(this.temporaryHomePath, '.gitconfig')
@ -98,7 +101,7 @@ class GitAuthHelper {
process.env['HOME'] || os.homedir(),
'.gitconfig'
)
const newGitConfigPath = path.join(this.temporaryHomePath, '.gitconfig')
this.gitConfigPath = path.join(this.temporaryHomePath, '.gitconfig')
let configExists = false
try {
await fs.promises.stat(gitConfigPath)
@ -109,10 +112,10 @@ class GitAuthHelper {
}
}
if (configExists) {
core.info(`Copying '${gitConfigPath}' to '${newGitConfigPath}'`)
await io.cp(gitConfigPath, newGitConfigPath)
core.info(`Copying '${gitConfigPath}' to '${this.gitConfigPath}'`)
await io.cp(gitConfigPath, this.gitConfigPath)
} else {
await fs.promises.writeFile(newGitConfigPath, '')
await fs.promises.writeFile(this.gitConfigPath, '')
}
// Override HOME
@ -121,7 +124,25 @@ class GitAuthHelper {
)
this.git.setEnvironmentVariable('HOME', this.temporaryHomePath)
return newGitConfigPath
return this.gitConfigPath
}
async configureCredentialsHelper(): Promise<void> {
if (this.settings.lfs) {
core.info(`lfs disabled, skipping custom credentials helper`)
return
}
const newGitConfigPath = await this.configureTempGlobalConfig()
const credentialHelper = `
[credential]
helper = "!f() { echo username=x-access-token; echo password=${this.tokenConfigValue}; };f"
`
core.info(
`Configuring git to use a custom credential helper for aut to handle git lfs`
)
await fs.promises.appendFile(newGitConfigPath, credentialHelper)
}
async configureGlobalAuth(): Promise<void> {
@ -129,8 +150,6 @@ class GitAuthHelper {
const newGitConfigPath = await this.configureTempGlobalConfig()
try {
// Configure the token
await this.configureToken(newGitConfigPath, true)
// Configure HTTPS instead of SSH
await this.git.tryConfigUnset(this.insteadOfKey, true)
if (!this.settings.sshKey) {
@ -143,7 +162,6 @@ class GitAuthHelper {
core.info(
'Encountered an error when attempting to configure token. Attempting unconfigure.'
)
await this.git.tryConfigUnset(this.tokenConfigKey, true)
throw err
}
}
@ -158,7 +176,7 @@ class GitAuthHelper {
// refer to https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/manage/component-updates/command-line-process-auditing
const output = await this.git.submoduleForeach(
// wrap the pipeline in quotes to make sure it's handled properly by submoduleForeach, rather than just the first part of the pipeline
`sh -c "git config --local '${this.tokenConfigKey}' '${this.tokenPlaceholderConfigValue}' && git config --local --show-origin --name-only --get-regexp remote.origin.url"`,
`sh -c "git config --local --show-origin --name-only --get-regexp remote.origin.url"`,
this.settings.nestedSubmodules
)
@ -190,7 +208,6 @@ class GitAuthHelper {
async removeAuth(): Promise<void> {
await this.removeSsh()
await this.removeToken()
}
async removeGlobalConfig(): Promise<void> {
@ -272,34 +289,6 @@ class GitAuthHelper {
}
}
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()
@ -345,11 +334,6 @@ class GitAuthHelper {
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