❤️ 完整开源界面和内核 https://github.com/siyuan-note/siyuan/issues/5013

kernel/api/file.go

@@ -0,0 +1,147 @@
+// SiYuan - Build Your Eternal Digital Garden
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package api
+
+import (
+	"errors"
+	"fmt"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"time"
+
+	"github.com/88250/gulu"
+	"github.com/gin-gonic/gin"
+	"github.com/siyuan-note/siyuan/kernel/filesys"
+	"github.com/siyuan-note/siyuan/kernel/model"
+	"github.com/siyuan-note/siyuan/kernel/util"
+)
+
+func getFile(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		c.JSON(http.StatusOK, ret)
+		return
+	}
+
+	filePath := arg["path"].(string)
+	filePath = filepath.Join(util.WorkspaceDir, filePath)
+	info, err := os.Stat(filePath)
+	if os.IsNotExist(err) {
+		c.Status(404)
+		return
+	}
+	if nil != err {
+		util.LogErrorf("stat [%s] failed: %s", filePath, err)
+		c.Status(500)
+		return
+	}
+	if info.IsDir() {
+		util.LogErrorf("file [%s] is a directory", filePath)
+		c.Status(405)
+		return
+	}
+
+	if err = model.ServeFile(c, filePath); nil != err {
+		c.Status(http.StatusConflict)
+		return
+	}
+}
+
+func putFile(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	filePath := c.PostForm("path")
+	filePath = filepath.Join(util.WorkspaceDir, filePath)
+	isDirStr := c.PostForm("isDir")
+	isDir, _ := strconv.ParseBool(isDirStr)
+
+	var err error
+	if isDir {
+		err = os.MkdirAll(filePath, 0755)
+		if nil != err {
+			util.LogErrorf("make a dir [%s] failed: %s", filePath, err)
+		}
+	} else {
+		file, _ := c.FormFile("file")
+		if nil == file {
+			util.LogErrorf("form file is nil [path=%s]", filePath)
+			c.Status(400)
+			return
+		}
+
+		dir := filepath.Dir(filePath)
+		if err = os.MkdirAll(dir, 0755); nil != err {
+			util.LogErrorf("put a file [%s] make dir [%s] failed: %s", filePath, dir, err)
+		} else {
+			if filesys.IsLocked(filePath) {
+				msg := fmt.Sprintf("file [%s] is locked", filePath)
+				util.LogErrorf(msg)
+				err = errors.New(msg)
+			} else {
+				err = writeFile(file, filePath)
+				if nil != err {
+					util.LogErrorf("put a file [%s] failed: %s", filePath, err)
+				}
+			}
+		}
+	}
+	if nil != err {
+		ret.Code = -1
+		ret.Msg = err.Error()
+		return
+	}
+
+	modTimeStr := c.PostForm("modTime")
+	modTimeInt, err := strconv.ParseInt(modTimeStr, 10, 64)
+	if nil != err {
+		util.LogErrorf("parse mod time [%s] failed: %s", modTimeStr, err)
+		c.Status(500)
+		return
+	}
+	modTime := millisecond2Time(modTimeInt)
+	if err = os.Chtimes(filePath, modTime, modTime); nil != err {
+		util.LogErrorf("change time failed: %s", err)
+		ret.Code = -1
+		ret.Msg = err.Error()
+		return
+	}
+}
+
+func writeFile(file *multipart.FileHeader, dst string) error {
+	src, err := file.Open()
+	if err != nil {
+		return err
+	}
+	defer src.Close()
+
+	err = gulu.File.WriteFileSaferByReader(dst, src, 0644)
+	if nil != err {
+		return err
+	}
+	return nil
+}
+
+func millisecond2Time(t int64) time.Time {
+	sec := t / 1000
+	msec := t % 1000
+	return time.Unix(sec, msec*int64(time.Millisecond))
+}