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-rw-r--r--lib/keystore.go81
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/keystore.go b/lib/keystore.go
new file mode 100644
index 00000000..dcdbd740
--- /dev/null
+++ b/lib/keystore.go
@@ -0,0 +1,81 @@
+package lib
+
+import (
+ "io"
+ "os"
+ "path"
+
+ "github.com/kyoh86/xdg"
+ "golang.org/x/crypto/openpgp"
+ "golang.org/x/crypto/openpgp/packet"
+)
+
+var (
+ Keyring openpgp.EntityList
+
+ locked bool
+)
+
+func InitKeyring() {
+ os.MkdirAll(path.Join(xdg.DataHome(), "aerc"), 0700)
+
+ lockpath := path.Join(xdg.DataHome(), "aerc", "keyring.lock")
+ lockfile, err := os.OpenFile(lockpath, os.O_CREATE|os.O_EXCL, 0600)
+ if err != nil {
+ // TODO: Consider connecting to main process over IPC socket
+ locked = false
+ } else {
+ locked = true
+ lockfile.Close()
+ }
+
+ keypath := path.Join(xdg.DataHome(), "aerc", "keyring.asc")
+ keyfile, err := os.Open(keypath)
+ if os.IsNotExist(err) {
+ return
+ } else if err != nil {
+ panic(err)
+ }
+ defer keyfile.Close()
+
+ Keyring, err = openpgp.ReadKeyRing(keyfile)
+ if err != nil {
+ panic(err)
+ }
+}
+
+func UnlockKeyring() {
+ if !locked {
+ return
+ }
+ lockpath := path.Join(xdg.DataHome(), "aerc", "keyring.lock")
+ os.Remove(lockpath)
+}
+
+func ImportKeys(r io.Reader) error {
+ keys, err := openpgp.ReadKeyRing(r)
+ if err != nil {
+ return err
+ }
+ Keyring = append(Keyring, keys...)
+ if locked {
+ keypath := path.Join(xdg.DataHome(), "aerc", "keyring.asc")
+ keyfile, err := os.OpenFile(keypath, os.O_CREATE|os.O_APPEND, 0600)
+ if err != nil {
+ return err
+ }
+ defer keyfile.Close()
+
+ for _, key := range keys {
+ if key.PrivateKey != nil {
+ err = key.SerializePrivate(keyfile, &packet.Config{})
+ } else {
+ err = key.Serialize(keyfile)
+ }
+ if err != nil {
+ return err
+ }
+ }
+ }
+ return nil
+}