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114 lines
3.2 KiB
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114 lines
3.2 KiB
Plaintext
---
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layout: docs
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page_title: GitHub - Auth Methods
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description: The GitHub auth method allows authentication with Vault using GitHub.
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---
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# GitHub auth method
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The `github` auth method can be used to authenticate with Vault using a GitHub
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personal access token. This method of authentication is most useful for humans:
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operators or developers using Vault directly via the CLI.
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~> **IMPORTANT NOTE:** Vault does not support an OAuth workflow to generate
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GitHub tokens, so does not act as a GitHub application. As a result, this method
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uses personal access tokens. If the risks below are unacceptable to you, consider
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using a different authentication method.
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~> Any valid GitHub access token with the `read:org` scope for any user belonging
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to the Vault-configured organization can be used for authentication. If such a
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token is stolen from a third party service, and the attacker is able to make
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network calls to Vault, they will be able to log in as the user that generated
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the access token.
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## Authentication
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### Via the CLI
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The default path is `/github`. If this auth method was enabled at a different
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path, specify `-path=/my-path` in the CLI.
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```shell-session
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$ vault login -method=github token="MY_TOKEN"
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```
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### Via the API
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The default endpoint is `auth/github/login`. If this auth method was enabled
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at a different path, use that value instead of `github`.
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```shell-session
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$ curl \
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--request POST \
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--data '{"token": "MY_TOKEN"}' \
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http://127.0.0.1:8200/v1/auth/github/login
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```
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The response will contain a token at `auth.client_token`:
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```json
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{
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"auth": {
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"renewable": true,
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"lease_duration": 2764800,
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"metadata": {
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"username": "my-user",
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"org": "my-org"
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},
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"policies": ["default", "dev-policy"],
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"accessor": "f93c4b2d-18b6-2b50-7a32-0fecf88237b8",
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"client_token": "1977fceb-3bfa-6c71-4d1f-b64af98ac018"
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}
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}
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```
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## Configuration
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Auth methods must be configured in advance before users or machines can
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authenticate. These steps are usually completed by an operator or configuration
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management tool.
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1. Enable the GitHub auth method:
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```text
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$ vault auth enable github
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```
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1. Use the `/config` endpoint to configure Vault to talk to GitHub.
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```text
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$ vault write auth/github/config organization=hashicorp
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```
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For the complete list of configuration options, please see the API
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documentation.
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1. Map the users/teams of that GitHub organization to policies in Vault. Team
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names must be "slugified":
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```text
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$ vault write auth/github/map/teams/dev value=dev-policy
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```
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In this example, when members of the team "dev" in the organization
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"hashicorp" authenticate to Vault using a GitHub personal access token, they
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will be given a token with the "dev-policy" policy attached.
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***
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You can also create mappings for a specific user `map/users/<user>`
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endpoint:
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```text
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$ vault write auth/github/map/users/sethvargo value=sethvargo-policy
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```
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In this example, a user with the GitHub username `sethvargo` will be
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assigned the `sethvargo-policy` policy **in addition to** any team policies.
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## API
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The GitHub auth method has a full HTTP API. Please see the
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[GitHub Auth API](/vault/api-docs/auth/github) for more
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details.
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