[add] server rewrite support and fix api reload

service/fs/default.go

@@ -0,0 +1,52 @@
+package fs
+
+import (
+	"errors"
+	"io/fs"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"github.com/yaoapp/gou/application"
+)
+
+// Dir http root path
+type Dir string
+
+// Open implements FileSystem using os.Open, opening files for reading rooted
+// and relative to the directory d.
+func (d Dir) Open(name string) (http.File, error) {
+	if filepath.Separator != '/' && strings.ContainsRune(name, filepath.Separator) {
+		return nil, errors.New("http: invalid character in file path")
+	}
+
+	dir := string(d)
+	if dir == "" {
+		dir = "."
+	}
+
+	name = filepath.FromSlash(path.Clean("/" + name))
+	relName := filepath.Join(dir, name)
+
+	// Close dir views Disable directory listing
+	absName := filepath.Join(application.App.Root(), relName)
+	stat, err := os.Stat(absName)
+	if err != nil {
+		return nil, mapOpenError(err, relName, filepath.Separator, os.Stat)
+	}
+
+	if stat.IsDir() {
+		if _, err := os.Stat(filepath.Join(absName, "index.html")); os.IsNotExist(err) {
+			return nil, mapOpenError(fs.ErrNotExist, relName, filepath.Separator, os.Stat)
+		}
+	}
+
+	f, err := application.App.FS(string(d)).Open(name)
+	if err != nil {
+		return nil, mapOpenError(err, relName, filepath.Separator, os.Stat)
+	}
+
+	return f, nil
+}

service/fs/spa.go

@@ -0,0 +1,57 @@
+package fs
+
+import (
+	"errors"
+	"io/fs"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"github.com/yaoapp/gou/application"
+)
+
+// DirSPA is the PWA path
+type DirSPA string
+
+// Open implements FileSystem using os.Open, opening files for reading rooted
+// and relative to the directory d.
+func (d DirSPA) Open(name string) (http.File, error) {
+	if filepath.Separator != '/' && strings.ContainsRune(name, filepath.Separator) {
+		return nil, errors.New("http: invalid character in file path")
+	}
+
+	dir := string(d)
+	if dir == "" {
+		dir = "."
+	}
+
+	name = filepath.FromSlash(path.Clean("/" + name))
+	relName := filepath.Join(dir, name)
+
+	if filepath.Ext(relName) == "" && relName != dir {
+		relName = filepath.Join(dir, "index.html")
+		name = filepath.Join(string(os.PathSeparator), "index.html")
+	}
+
+	// Close dir views Disable directory listing
+	absName := filepath.Join(application.App.Root(), relName)
+	stat, err := os.Stat(absName)
+	if err != nil {
+		return nil, mapOpenError(err, relName, filepath.Separator, os.Stat)
+	}
+
+	if stat.IsDir() {
+		if _, err := os.Stat(filepath.Join(absName, "index.html")); os.IsNotExist(err) {
+			return nil, mapOpenError(fs.ErrNotExist, relName, filepath.Separator, os.Stat)
+		}
+	}
+
+	f, err := application.App.FS(string(d)).Open(name)
+	if err != nil {
+		return nil, mapOpenError(err, relName, filepath.Separator, os.Stat)
+	}
+
+	return f, nil
+}

service/fs/sui.go

@@ -0,0 +1,57 @@
+package fs
+
+import (
+	"errors"
+	"io/fs"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"github.com/yaoapp/gou/application"
+)
+
+// DirSUI is the PWA path
+type DirSUI string
+
+// Open implements FileSystem using os.Open, opening files for reading rooted
+// and relative to the directory d.
+func (d DirSUI) Open(name string) (http.File, error) {
+	if filepath.Separator != '/' && strings.ContainsRune(name, filepath.Separator) {
+		return nil, errors.New("http: invalid character in file path")
+	}
+
+	dir := string(d)
+	if dir == "" {
+		dir = "."
+	}
+
+	name = filepath.FromSlash(path.Clean("/" + name))
+	relName := filepath.Join(dir, name)
+
+	if filepath.Ext(relName) == "" && relName != dir {
+		relName = filepath.Join(dir, "index.html")
+		name = filepath.Join(string(os.PathSeparator), "index.html")
+	}
+
+	// Close dir views Disable directory listing
+	absName := filepath.Join(application.App.Root(), relName)
+	stat, err := os.Stat(absName)
+	if err != nil {
+		return nil, mapOpenError(err, relName, filepath.Separator, os.Stat)
+	}
+
+	if stat.IsDir() {
+		if _, err := os.Stat(filepath.Join(absName, "index.html")); os.IsNotExist(err) {
+			return nil, mapOpenError(fs.ErrNotExist, relName, filepath.Separator, os.Stat)
+		}
+	}
+
+	f, err := application.App.FS(string(d)).Open(name)
+	if err != nil {
+		return nil, mapOpenError(err, relName, filepath.Separator, os.Stat)
+	}
+
+	return f, nil
+}

service/fs/utils.go

@@ -0,0 +1,31 @@
+package fs
+
+import (
+	"errors"
+	"io/fs"
+	"strings"
+)
+
+// mapOpenError maps the provided non-nil error from opening name
+// to a possibly better non-nil error. In particular, it turns OS-specific errors
+// about opening files in non-directories into fs.ErrNotExist. See Issues 18984 and 49552.
+func mapOpenError(originalErr error, name string, sep rune, stat func(string) (fs.FileInfo, error)) error {
+	if errors.Is(originalErr, fs.ErrNotExist) || errors.Is(originalErr, fs.ErrPermission) {
+		return originalErr
+	}
+
+	parts := strings.Split(name, string(sep))
+	for i := range parts {
+		if parts[i] == "" {
+			continue
+		}
+		fi, err := stat(strings.Join(parts[:i+1], string(sep)))
+		if err != nil {
+			return originalErr
+		}
+		if !fi.IsDir() {
+			return fs.ErrNotExist
+		}
+	}
+	return originalErr
+}

service/middleware.go

@@ -7,20 +7,20 @@ import (
 )
 
 // Middlewares the middlewares
-var Middlewares = []func(c *gin.Context){
+var Middlewares = []gin.HandlerFunc{
+	gin.Logger(),
 	withStaticFileServer,
 }
 
 // withStaticFileServer static file server
 func withStaticFileServer(c *gin.Context) {
 
+	// Handle API & websocket
 	length := len(c.Request.URL.Path)
-
 	if (length >= 5 && c.Request.URL.Path[0:5] == "/api/") ||
 		(length >= 11 && c.Request.URL.Path[0:11] == "/websocket/") { // API & websocket
 		c.Next()
 		return
-
 	}
 
 	// Xgen 1.0
@@ -31,20 +31,19 @@ func withStaticFileServer(c *gin.Context) {
 		return
 	}
 
+	// __yao_admin_root
 	if length >= 18 && c.Request.URL.Path[0:18] == "/__yao_admin_root/" {
 		c.Request.URL.Path = strings.TrimPrefix(c.Request.URL.Path, "/__yao_admin_root")
 		XGenFileServerV1.ServeHTTP(c.Writer, c.Request)
 		c.Abort()
 		return
 	}
 
-	// SPA app static file server
-	for root, rootLength := range SpaRoots {
-		if length >= rootLength && c.Request.URL.Path[0:rootLength] == root {
-			c.Request.URL.Path = strings.TrimPrefix(c.Request.URL.Path, root)
-			spaFileServers[root].ServeHTTP(c.Writer, c.Request)
-			c.Abort()
-			return
+	// Rewrite
+	for _, rewrite := range rewriteRules {
+		if matches := rewrite.Pattern.FindStringSubmatch(c.Request.URL.Path); matches != nil {
+			c.Request.URL.Path = rewrite.Pattern.ReplaceAllString(c.Request.URL.Path, rewrite.Replacement)
+			break
 		}
 	}