Added interactive password prompt when no password is given

.gitignore

@@ -1 +1,4 @@
-/.idea
+/.idea
+vendor/
+/pkg
+/bin

src/calanonsync/Gopkg.lock

@@ -0,0 +1,24 @@
+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  branch = "master"
+  name = "golang.org/x/crypto"
+  packages = ["ssh/terminal"]
+  revision = "12892e8c234f4fe6f6803f052061de9057903bb2"
+
+[[projects]]
+  branch = "master"
+  name = "golang.org/x/sys"
+  packages = [
+    "unix",
+    "windows"
+  ]
+  revision = "378d26f46672a356c46195c28f61bdb4c0a781dd"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "724028051592219199897d15df4916e95f132caea6497383bbfabbcdb0672123"
+  solver-name = "gps-cdcl"
+  solver-version = 1

src/calanonsync/Gopkg.toml

@@ -0,0 +1,34 @@
+# Gopkg.toml example
+#
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#   name = "github.com/x/y"
+#   version = "2.4.0"
+#
+# [prune]
+#   non-go = false
+#   go-tests = true
+#   unused-packages = true
+
+
+[prune]
+  go-tests = true
+  unused-packages = true
+
+[[constraint]]
+  branch = "master"
+  name = "golang.org/x/crypto"

src/calanonsync/calanonsync.go

@@ -18,7 +18,7 @@ func main() {
 		time.Now().AddDate(0, -1, 0), // One month past
 		time.Now().AddDate(0, 2, 0))  // Two months ahead
 	if err != nil {
-		log.Fatalln(err)
+		log.Fatalf("Could not get EWS items: %s\n", err)
 	}
 
 	relevantEWSItems := make(map[string]CalendarItem)
@@ -35,7 +35,7 @@ func main() {
 	c := NewCalDAV(s.CalDAV)
 	calDavItems, err := c.GetEvents()
 	if err != nil {
-		log.Fatalln(err)
+		log.Fatalf("Could not get CalDAV items: %s\n", err)
 	}
 	// Build a map for easier lookup by UID
 	calDavItemMap := make(map[string]CalDAVItem)

src/calanonsync/caldav.go

@@ -274,6 +274,10 @@ func (c *CalDAV) GetEvents() ([]CalDAVItem, error) {
 		return nil, err
 	}
 
+	if resp.StatusCode != http.StatusMultiStatus {
+		return nil, fmt.Errorf("Unexpected status code: %d", resp.StatusCode)
+	}
+
 	defer resp.Body.Close()
 	ms := &MultiStatus{}
 	err = xml.NewDecoder(resp.Body).Decode(ms)

src/calanonsync/settings.go

@@ -2,8 +2,10 @@ package main
 
 import (
 	"encoding/json"
+	"golang.org/x/crypto/ssh/terminal"
 	"os"
 	"strings"
+	"syscall"
 )
 
 type ServerSettings struct {
@@ -20,6 +22,22 @@ type Settings struct {
 	}
 }
 
+func ensurePassword(password *string, name string) {
+	if *password != "" {
+		// Nothing to do. Password already set.
+		return
+	}
+
+	print(name + " password: ")
+	b, err := terminal.ReadPassword(syscall.Stdin)
+	println()
+	if err != nil {
+		panic(err)
+	}
+
+	*password = string(b)
+}
+
 func LoadSettings() Settings {
 	f, err := os.Open("calanonsync.json")
 	if err != nil {
@@ -35,5 +53,8 @@ func LoadSettings() Settings {
 		settings.CalDAV.URL += "/"
 	}
 
+	ensurePassword(&settings.EWS.Password, "EWS")
+	ensurePassword(&settings.CalDAV.Password, "CalDAV")
+
 	return settings
 }