[feat] pass initialization errors to gui

1 files changed, 74 insertions, 0 deletions

diff --git a/pkg/backend/init.go b/pkg/backend/init.go
new file mode 100644
index 0000000..5abb05e
--- /dev/null
+++ b/pkg/backend/init.go
@@ -0,0 +1,74 @@
+package backend
+
+import (
+	"log"
+	"os"
+
+	"0xacab.org/leap/bitmask-vpn/pkg/bitmask"
+	"0xacab.org/leap/bitmask-vpn/pkg/config"
+	"0xacab.org/leap/bitmask-vpn/pkg/config/version"
+)
+
+// initializeContext initializes an empty connStatus and assigns it to the
+// global ctx holder. This is expected to be called only once, so the public
+// api uses the sync.Once primitive to call this.
+func initializeContext(provider, appName string) {
+	var st status = off
+	ctx = &connectionCtx{
+		AppName:         appName,
+		Provider:        provider,
+		TosURL:          config.TosURL,
+		HelpURL:         config.HelpURL,
+		DonateURL:       config.DonateURL,
+		AskForDonations: wantDonations(),
+		DonateDialog:    false,
+		Version:         version.VERSION,
+		Status:          st,
+	}
+	errCh := make(chan string)
+	go trigger(OnStatusChanged)
+	go checkErrors(errCh)
+	initializeBitmask(errCh)
+}
+
+func checkErrors(errCh chan string) {
+	for {
+		err := <-errCh
+		ctx.Errors = err
+		go trigger(OnStatusChanged)
+	}
+}
+
+func initializeBitmask(errCh chan string) {
+	if ctx == nil {
+		log.Println("bug: cannot initialize bitmask, ctx is nil!")
+		os.Exit(1)
+	}
+	bitmask.InitializeLogger()
+
+	b, err := bitmask.InitializeBitmask()
+	if err != nil {
+		log.Println("error: cannot initialize bitmask")
+		errCh <- err.Error()
+		return
+	}
+
+	helpers, privilege, err := b.VPNCheck()
+
+	if err != nil {
+		log.Println("error doing vpn check")
+		errCh <- err.Error()
+	}
+
+	if helpers == false {
+		log.Println("no helpers")
+		errCh <- "nohelpers"
+	}
+	if privilege == false {
+		log.Println("no polkit")
+		errCh <- "nopolkit"
+	}
+
+	ctx.bm = b
+	ctx.cfg = config.ParseConfig()
+}