first release of SSO package and more examples

_examples/file-server/webdav/main.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"net/http"
+	"os"
+	"strings"
+
+	"github.com/kataras/iris/v12"
+	"github.com/kataras/iris/v12/middleware/accesslog"
+	"github.com/kataras/iris/v12/middleware/recover"
+
+	"golang.org/x/net/webdav"
+)
+
+func main() {
+	app := iris.New()
+
+	app.Logger().SetLevel("debug")
+	app.Use(recover.New())
+	app.Use(accesslog.New(os.Stdout).Handler)
+
+	webdavHandler := &webdav.Handler{
+		FileSystem: webdav.Dir("./"),
+		LockSystem: webdav.NewMemLS(),
+		Logger: func(r *http.Request, err error) {
+			if err != nil {
+				app.Logger().Error(err)
+			}
+		},
+	}
+
+	app.HandleMany(strings.Join(iris.WebDAVMethods, " "), "/{p:path}", iris.FromStd(webdavHandler))
+
+	app.Listen(":8080",
+		iris.WithoutServerError(iris.ErrServerClosed),
+		iris.WithoutPathCorrection,
+	)
+}
+
+/* Test with cURL or postman:
+
+* List files:
+	curl --location --request PROPFIND 'http://localhost:8080'
+* Get File:
+	curl --location --request GET 'http://localhost:8080/test.txt'
+* Upload File:
+	curl --location --request PUT 'http://localhost:8080/newfile.txt' \
+	--header 'Content-Type: text/plain' \
+	--data-raw 'This is a new file!'
+* Copy File:
+	curl --location --request COPY 'http://localhost:8080/test.txt' \
+	--header 'Destination: newdir/test.txt'
+* Create New Directory:
+	curl --location --request MKCOL 'http://localhost:8080/anewdir/'
+
+And e.t.c.
+*/