Merge pull request #79 from dive-deeper/feat/tilde-expansion-for-auth…

…-file

feat: do tilde expansion for yaml storage path

README.md

@@ -56,7 +56,7 @@ The app will create a file in the execution folder called `auth-storage.yaml`. I
 
 # Configuration
 
-The CalendarSync config file consists of `four` building blocks:
+The CalendarSync config file consists of several building blocks:
 
 - `sync` - Controls the timeframe to be synced
 - `source` - Controls the source calendar to be synced from
@@ -65,6 +65,7 @@ The CalendarSync config file consists of `four` building blocks:
 - `transformations` - Controls the transformers applied to the events before
   syncing
 - `filters` - Controls filters, which allow events to be excluded from syncing
+- `auth` - Controls settings regarding the encrypted auth storage file
 
 ## Sync
 
@@ -179,6 +180,19 @@ filters:
       ExcludeRegexp: ".*test"
 ```
 
+## Auth
+
+In this section you can configure settings regarding the encrypted local auth storage
+
+```yaml
+auth:
+  storage_mode: yaml # Currently, only yaml is supported
+  config:
+    # Here you can use the standard unix abbreviation for home directory (~).
+    # This works also for Windows systems e.g. ~\calendar-sync\auth-storage.yaml
+    path: "./auth-storage.yaml"
+```
+
 # Cleaning Up
 
 You just synced a lot of events in your calendar and decide you want to use a

example.sync.yaml

@@ -8,8 +8,10 @@ sync:
     offset: +1 # MonthEnd +1 month (end of next month)
 
 auth:
-  storage_mode: yaml
+  storage_mode: yaml # Currently, only yaml is supported
   config:
+    # Here you can use the standard unix abbreviation for home directory (~).
+    # This works also for Windows systems e.g. ~\calendar-sync\auth-storage.yaml
     path: "./auth-storage.yaml"
 
 # Unfortunately, at this point, we only support one source adapter.

internal/auth/yaml_storage.go

@@ -7,6 +7,8 @@ import (
 	"io"
 	"io/fs"
 	"os"
+	"path/filepath"
+	"strings"
 
 	"github.com/charmbracelet/log"
 	"github.com/inovex/CalendarSync/internal/config"
@@ -23,6 +25,13 @@ type YamlStorage struct {
 func (y *YamlStorage) Setup(config config.AuthStorage, encryptionPassphrase string) error {
 	y.StorageEncryptionKey = encryptionPassphrase
 	y.StoragePath = config.Config["path"].(string)
+	if strings.HasPrefix(y.StoragePath, "~" + string(filepath.Separator)) {
+		homeDir, err := os.UserHomeDir()
+		if err != nil {
+			return err
+		}
+		y.StoragePath = filepath.Join(homeDir, y.StoragePath[2:])
+	}
 	return nil
 }