open-vault/sdk/helper/useragent/useragent.go
2023-02-08 12:30:27 -05:00

76 lines
2.3 KiB
Go

package useragent
import (
"fmt"
"runtime"
"strings"
"github.com/hashicorp/vault/sdk/logical"
)
var (
// projectURL is the project URL.
projectURL = "https://www.vaultproject.io/"
// rt is the runtime - variable for tests.
rt = runtime.Version()
)
// String returns the consistent user-agent string for Vault.
// Deprecated: use PluginString instead.
//
// Example output:
//
// Vault (+https://www.vaultproject.io/; go1.19.5)
//
// Given comments will be appended to the semicolon-delimited comment section:
//
// Vault (+https://www.vaultproject.io/; go1.19.5; comment-0; comment-1)
//
// At one point the user-agent string returned contained the Vault
// version hardcoded into the vault/sdk/version/ package. This worked for builtin
// plugins that are compiled into the `vault` binary, in that it correctly described
// the version of that Vault binary. It did not work for external plugins: for them,
// the version will be based on the version stored in the sdk based on the
// contents of the external plugin's go.mod. We've kept the String method around
// to avoid breaking builds, but you should be using PluginString.
func String(comments ...string) string {
c := append([]string{"+" + projectURL, rt}, comments...)
return fmt.Sprintf("Vault (%s)", strings.Join(c, "; "))
}
// PluginString is usable by plugins to return a user-agent string reflecting
// the running Vault version and an optional plugin name.
//
// e.g. Vault/0.10.4 (+https://www.vaultproject.io/; azure-auth; go1.10.1)
//
// Given comments will be appended to the semicolon-delimited comment section.
//
// e.g. Vault/0.10.4 (+https://www.vaultproject.io/; azure-auth; go1.10.1; comment-0; comment-1)
//
// Returns an empty string if the given env is nil.
func PluginString(env *logical.PluginEnvironment, pluginName string, comments ...string) string {
if env == nil {
return ""
}
// Construct comments
c := []string{"+" + projectURL}
if pluginName != "" {
c = append(c, pluginName)
}
c = append(c, rt)
c = append(c, comments...)
// Construct version string
v := env.VaultVersion
if env.VaultVersionPrerelease != "" {
v = fmt.Sprintf("%s-%s", v, env.VaultVersionPrerelease)
}
if env.VaultVersionMetadata != "" {
v = fmt.Sprintf("%s+%s", v, env.VaultVersionMetadata)
}
return fmt.Sprintf("Vault/%s (%s)", v, strings.Join(c, "; "))
}