Created foundation for api commands

api/api.go

@@ -0,0 +1,68 @@
+package api
+
+import (
+	"encoding/json"
+	"os/exec"
+)
+
+type Keybase struct {
+	path string
+}
+
+type keybase interface {
+	LoggedIn() bool
+	Username() string
+	Version() string
+}
+
+type status struct {
+	Username string `json:"Username"`
+	LoggedIn bool   `json:"LoggedIn"`
+}
+
+// New() returns a new instance of Keybase object. Optionally, you can pass a string containing the path to the Keybase executable as the first argument.
+func New(path ...string) Keybase {
+	if len(path) < 1 {
+		return Keybase{path: "/usr/bin/keybase"}
+	}
+	return Keybase{path: path[0]}
+}
+
+// Username() returns the username of the currently logged-in Keybase user.
+func (k Keybase) Username() string {
+	cmd := exec.Command(k.path, "status", "-j")
+	cmdOut, err := cmd.Output()
+	if err != nil {
+		return ""
+	}
+
+	var s status
+	json.Unmarshal(cmdOut, &s)
+
+	return s.Username
+}
+
+// LoggedIn() returns true if Keybase is currently logged in, otherwise return false.
+func (k Keybase) LoggedIn() bool {
+	cmd := exec.Command(k.path, "status", "-j")
+	cmdOut, err := cmd.Output()
+	if err != nil {
+		return false
+	}
+
+	var s status
+	json.Unmarshal(cmdOut, &s)
+
+	return s.LoggedIn
+}
+
+// Version() returns the version string of the client.
+func (k Keybase) Version() string {
+	cmd := exec.Command(k.path, "version", "-S", "-f", "s")
+	cmdOut, err := cmd.Output()
+	if err != nil {
+		return ""
+	}
+
+	return string(cmdOut)
+}