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cloudreve/routers/controllers/file.go

370 lines
9.0 KiB

package controllers
import "C"
import (
"context"
"fmt"
"net/http"
"net/url"
"strconv"
"sync"
model "github.com/cloudreve/Cloudreve/v3/models"
"github.com/cloudreve/Cloudreve/v3/pkg/filesystem"
"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/driver/local"
"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/fsctx"
"github.com/cloudreve/Cloudreve/v3/pkg/request"
"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
"github.com/cloudreve/Cloudreve/v3/service/explorer"
"github.com/gin-gonic/gin"
)
func DownloadArchive(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.DownloadService
if err := c.ShouldBindUri(&service); err == nil {
res := service.DownloadArchived(ctx, c)
if res.Code != 0 {
c.JSON(200, res)
}
} else {
c.JSON(200, ErrorResponse(err))
}
}
func Archive(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.ItemIDService
if err := c.ShouldBindJSON(&service); err == nil {
res := service.Archive(ctx, c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}
// Compress 创建文件压缩任务
func Compress(c *gin.Context) {
var service explorer.ItemCompressService
if err := c.ShouldBindJSON(&service); err == nil {
res := service.CreateCompressTask(c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}
// Decompress 创建文件解压缩任务
func Decompress(c *gin.Context) {
var service explorer.ItemDecompressService
if err := c.ShouldBindJSON(&service); err == nil {
res := service.CreateDecompressTask(c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}
// AnonymousGetContent 匿名获取文件资源
func AnonymousGetContent(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.FileAnonymousGetService
if err := c.ShouldBindUri(&service); err == nil {
res := service.Download(ctx, c)
if res.Code != 0 {
c.JSON(200, res)
}
} else {
c.JSON(200, ErrorResponse(err))
}
}
// GetSource 获取文件的外链地址
func GetSource(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
fs, err := filesystem.NewFileSystemFromContext(c)
if err != nil {
c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err))
return
}
defer fs.Recycle()
// 获取文件ID
fileID, ok := c.Get("object_id")
if !ok {
c.JSON(200, serializer.ParamErr("文件不存在", err))
return
}
sourceURL, err := fs.GetSource(ctx, fileID.(uint))
if err != nil {
c.JSON(200, serializer.Err(serializer.CodeNotSet, err.Error(), err))
return
}
c.JSON(200, serializer.Response{
Code: 0,
Data: struct {
URL string `json:"url"`
}{URL: sourceURL},
})
}
// Thumb 获取文件缩略图
func Thumb(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
fs, err := filesystem.NewFileSystemFromContext(c)
if err != nil {
c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err))
return
}
defer fs.Recycle()
// 获取文件ID
fileID, ok := c.Get("object_id")
if !ok {
c.JSON(200, serializer.ParamErr("文件不存在", err))
return
}
// 获取缩略图
resp, err := fs.GetThumb(ctx, fileID.(uint))
if err != nil {
c.JSON(200, serializer.Err(serializer.CodeNotSet, "无法获取缩略图", err))
return
}
if resp.Redirect {
c.Header("Cache-Control", fmt.Sprintf("max-age=%d", resp.MaxAge))
c.Redirect(http.StatusMovedPermanently, resp.URL)
return
}
defer resp.Content.Close()
http.ServeContent(c.Writer, c.Request, "thumb.png", fs.FileTarget[0].UpdatedAt, resp.Content)
}
// Preview 预览文件
func Preview(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.FileIDService
if err := c.ShouldBindUri(&service); err == nil {
res := service.PreviewContent(ctx, c, false)
// 是否需要重定向
if res.Code == -301 {
c.Redirect(301, res.Data.(string))
return
}
// 是否有错误发生
if res.Code != 0 {
c.JSON(200, res)
}
} else {
c.JSON(200, ErrorResponse(err))
}
}
// PreviewText 预览文本文件
func PreviewText(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.FileIDService
if err := c.ShouldBindUri(&service); err == nil {
res := service.PreviewContent(ctx, c, true)
// 是否有错误发生
if res.Code != 0 {
c.JSON(200, res)
}
} else {
c.JSON(200, ErrorResponse(err))
}
}
// GetDocPreview 获取DOC文件预览地址
func GetDocPreview(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.FileIDService
if err := c.ShouldBindUri(&service); err == nil {
res := service.CreateDocPreviewSession(ctx, c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}
// CreateDownloadSession 创建文件下载会话
func CreateDownloadSession(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.FileIDService
if err := c.ShouldBindUri(&service); err == nil {
res := service.CreateDownloadSession(ctx, c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}
// Download 文件下载
func Download(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.DownloadService
if err := c.ShouldBindUri(&service); err == nil {
res := service.Download(ctx, c)
if res.Code != 0 {
c.JSON(200, res)
}
} else {
c.JSON(200, ErrorResponse(err))
}
}
// PutContent 更新文件内容
func PutContent(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.FileIDService
if err := c.ShouldBindUri(&service); err == nil {
res := service.PutContent(ctx, c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}
// FileUploadStream 本地策略流式上传
func FileUploadStream(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// 取得文件大小
fileSize, err := strconv.ParseUint(c.Request.Header.Get("Content-Length"), 10, 64)
if err != nil {
c.JSON(200, ErrorResponse(err))
return
}
// 非可用策略时拒绝上传
if user, ok := c.Get("user"); ok && !user.(*model.User).Policy.IsTransitUpload(fileSize) {
request.BlackHole(c.Request.Body)
c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, "当前存储策略无法使用", nil))
return
}
// 解码文件名和路径
fileName, err := url.QueryUnescape(c.Request.Header.Get("X-FileName"))
filePath, err := url.QueryUnescape(c.Request.Header.Get("X-Path"))
if err != nil {
c.JSON(200, ErrorResponse(err))
return
}
fileData := local.FileStream{
MIMEType: c.Request.Header.Get("Content-Type"),
File: c.Request.Body,
Size: fileSize,
Name: fileName,
VirtualPath: filePath,
}
// 创建文件系统
fs, err := filesystem.NewFileSystemFromContext(c)
if err != nil {
c.JSON(200, serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err))
return
}
// 给文件系统分配钩子
fs.Use("BeforeUpload", filesystem.HookValidateFile)
fs.Use("BeforeUpload", filesystem.HookValidateCapacity)
fs.Use("AfterUploadCanceled", filesystem.HookDeleteTempFile)
fs.Use("AfterUploadCanceled", filesystem.HookGiveBackCapacity)
fs.Use("AfterUpload", filesystem.GenericAfterUpload)
fs.Use("AfterValidateFailed", filesystem.HookDeleteTempFile)
fs.Use("AfterValidateFailed", filesystem.HookGiveBackCapacity)
fs.Use("AfterUploadFailed", filesystem.HookGiveBackCapacity)
// 执行上传
ctx = context.WithValue(ctx, fsctx.ValidateCapacityOnceCtx, &sync.Once{})
uploadCtx := context.WithValue(ctx, fsctx.GinCtx, c)
err = fs.Upload(uploadCtx, fileData)
if err != nil {
c.JSON(200, serializer.Err(serializer.CodeUploadFailed, err.Error(), err))
return
}
c.JSON(200, serializer.Response{
Code: 0,
})
}
// GetUploadCredential 获取上传凭证
func GetUploadCredential(c *gin.Context) {
// 创建上下文
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var service explorer.UploadCredentialService
if err := c.ShouldBindQuery(&service); err == nil {
res := service.Get(ctx, c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}
// SearchFile 搜索文件
func SearchFile(c *gin.Context) {
var service explorer.ItemSearchService
if err := c.ShouldBindUri(&service); err == nil {
res := service.Search(c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}
// CreateFile 创建空白文件
func CreateFile(c *gin.Context) {
var service explorer.SingleFileService
if err := c.ShouldBindJSON(&service); err == nil {
res := service.Create(c)
c.JSON(200, res)
} else {
c.JSON(200, ErrorResponse(err))
}
}