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46 lines
1.2 KiB
46 lines
1.2 KiB
3 years ago
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package main
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import (
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"barista.run/oauth"
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"crypto/rand"
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"encoding/base64"
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"fmt"
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"github.com/zalando/go-keyring"
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"os"
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"os/user"
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)
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func setupOauthEncryption() error {
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const service = "reya.zone-barista-bar"
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var username string
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if u, err := user.Current(); err == nil {
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username = u.Username
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} else {
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username = fmt.Sprintf("user-%d", os.Getuid())
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}
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var secretBytes []byte
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// IMPORTANT: The oauth tokens used by some modules are very sensitive, so
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// we encrypt them with a random key and store that random key using
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// libsecret (gnome-keyring or equivalent). If no secret provider is
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// available, there is no way to store tokens (since the version of
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// sample-bar used for setup-oauth will have a different key from the one
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// running in i3bar). See also https://github.com/zalando/go-keyring#linux.
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secret, err := keyring.Get(service, username)
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if err == nil {
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secretBytes, err = base64.RawURLEncoding.DecodeString(secret)
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}
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if err != nil {
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secretBytes = make([]byte, 64)
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_, err := rand.Read(secretBytes)
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if err != nil {
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return err
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}
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secret = base64.RawURLEncoding.EncodeToString(secretBytes)
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err = keyring.Set(service, username, secret)
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if err != nil {
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return err
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}
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}
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oauth.SetEncryptionKey(secretBytes)
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return nil
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}
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