Basic provisioning api

Includes: login, logout, and ping.

config/provisioning.go

@@ -0,0 +1,43 @@
+package config
+
+import (
+	"strings"
+
+	as "maunium.net/go/mautrix/appservice"
+)
+
+type provisioning struct {
+	Prefix       string `yaml:"prefix"`
+	SharedSecret string `yaml:"shared_secret"`
+}
+
+func (p *provisioning) validate() error {
+	if p.Prefix == "" {
+		p.Prefix = "/_matrix/provision/v1"
+	}
+
+	if strings.ToLower(p.SharedSecret) == "generate" {
+		p.SharedSecret = as.RandomString(64)
+
+		configUpdated = true
+	}
+
+	return nil
+}
+
+func (p *provisioning) UnmarshalYAML(unmarshal func(interface{}) error) error {
+	type rawProvisioning provisioning
+
+	raw := rawProvisioning{}
+	if err := unmarshal(&raw); err != nil {
+		return err
+	}
+
+	*p = provisioning(raw)
+
+	return p.validate()
+}
+
+func (p *provisioning) Enabled() bool {
+	return strings.ToLower(p.SharedSecret) != "disable"
+}