403 lines
11 KiB
Go
403 lines
11 KiB
Go
package rest
|
||
|
||
import (
|
||
"fmt"
|
||
"github.com/eyebluecn/tank/code/core"
|
||
"github.com/eyebluecn/tank/code/tool/i18n"
|
||
"github.com/eyebluecn/tank/code/tool/result"
|
||
"github.com/eyebluecn/tank/code/tool/util"
|
||
"net/http"
|
||
"regexp"
|
||
"strconv"
|
||
"time"
|
||
)
|
||
|
||
type AlienController struct {
|
||
BaseController
|
||
uploadTokenDao *UploadTokenDao
|
||
downloadTokenDao *DownloadTokenDao
|
||
matterDao *MatterDao
|
||
matterService *MatterService
|
||
imageCacheDao *ImageCacheDao
|
||
imageCacheService *ImageCacheService
|
||
alienService *AlienService
|
||
shareService *ShareService
|
||
}
|
||
|
||
//初始化方法
|
||
func (this *AlienController) Init() {
|
||
this.BaseController.Init()
|
||
|
||
//手动装填本实例的Bean.
|
||
b := core.CONTEXT.GetBean(this.uploadTokenDao)
|
||
if c, ok := b.(*UploadTokenDao); ok {
|
||
this.uploadTokenDao = c
|
||
}
|
||
|
||
b = core.CONTEXT.GetBean(this.downloadTokenDao)
|
||
if c, ok := b.(*DownloadTokenDao); ok {
|
||
this.downloadTokenDao = c
|
||
}
|
||
|
||
b = core.CONTEXT.GetBean(this.matterDao)
|
||
if c, ok := b.(*MatterDao); ok {
|
||
this.matterDao = c
|
||
}
|
||
|
||
b = core.CONTEXT.GetBean(this.matterService)
|
||
if c, ok := b.(*MatterService); ok {
|
||
this.matterService = c
|
||
}
|
||
|
||
b = core.CONTEXT.GetBean(this.imageCacheDao)
|
||
if c, ok := b.(*ImageCacheDao); ok {
|
||
this.imageCacheDao = c
|
||
}
|
||
|
||
b = core.CONTEXT.GetBean(this.imageCacheService)
|
||
if c, ok := b.(*ImageCacheService); ok {
|
||
this.imageCacheService = c
|
||
}
|
||
|
||
b = core.CONTEXT.GetBean(this.alienService)
|
||
if c, ok := b.(*AlienService); ok {
|
||
this.alienService = c
|
||
}
|
||
|
||
b = core.CONTEXT.GetBean(this.shareService)
|
||
if c, ok := b.(*ShareService); ok {
|
||
this.shareService = c
|
||
}
|
||
}
|
||
|
||
//注册自己的路由。
|
||
func (this *AlienController) RegisterRoutes() map[string]func(writer http.ResponseWriter, request *http.Request) {
|
||
|
||
routeMap := make(map[string]func(writer http.ResponseWriter, request *http.Request))
|
||
|
||
//每个Controller需要主动注册自己的路由。
|
||
routeMap["/api/alien/fetch/upload/token"] = this.Wrap(this.FetchUploadToken, USER_ROLE_GUEST)
|
||
routeMap["/api/alien/fetch/download/token"] = this.Wrap(this.FetchDownloadToken, USER_ROLE_GUEST)
|
||
routeMap["/api/alien/confirm"] = this.Wrap(this.Confirm, USER_ROLE_GUEST)
|
||
routeMap["/api/alien/upload"] = this.Wrap(this.Upload, USER_ROLE_GUEST)
|
||
routeMap["/api/alien/crawl/token"] = this.Wrap(this.CrawlToken, USER_ROLE_GUEST)
|
||
routeMap["/api/alien/crawl/direct"] = this.Wrap(this.CrawlDirect, USER_ROLE_GUEST)
|
||
|
||
return routeMap
|
||
}
|
||
|
||
//处理一些特殊的接口，比如参数包含在路径中,一般情况下，controller不将参数放在url路径中
|
||
func (this *AlienController) HandleRoutes(writer http.ResponseWriter, request *http.Request) (func(writer http.ResponseWriter, request *http.Request), bool) {
|
||
|
||
path := request.URL.Path
|
||
|
||
//匹配 /api/alien/preview/{uuid}/{filename} (响应头不包含 content-disposition)
|
||
reg := regexp.MustCompile(`^/api/alien/preview/([^/]+)/([^/]+)$`)
|
||
strs := reg.FindStringSubmatch(path)
|
||
if len(strs) == 3 {
|
||
var f = func(writer http.ResponseWriter, request *http.Request) {
|
||
this.Preview(writer, request, strs[1], strs[2])
|
||
}
|
||
return f, true
|
||
}
|
||
|
||
//匹配 /api/alien/download/{uuid}/{filename} (响应头包含 content-disposition)
|
||
reg = regexp.MustCompile(`^/api/alien/download/([^/]+)/([^/]+)$`)
|
||
strs = reg.FindStringSubmatch(path)
|
||
if len(strs) == 3 {
|
||
var f = func(writer http.ResponseWriter, request *http.Request) {
|
||
this.Download(writer, request, strs[1], strs[2])
|
||
}
|
||
return f, true
|
||
}
|
||
|
||
return nil, false
|
||
}
|
||
|
||
//系统中的用户x要获取一个UploadToken，用于提供给x信任的用户上传文件。
|
||
func (this *AlienController) FetchUploadToken(writer http.ResponseWriter, request *http.Request) *result.WebResult {
|
||
|
||
//文件名。
|
||
filename := request.FormValue("filename")
|
||
if filename == "" {
|
||
panic("文件名必填")
|
||
} else if m, _ := regexp.MatchString(MATTER_NAME_PATTERN, filename); m {
|
||
panic(result.BadRequestI18n(request, i18n.MatterNameContainSpecialChars))
|
||
}
|
||
|
||
//什么时间后过期，默认24h
|
||
expireStr := request.FormValue("expire")
|
||
expire := 24 * 60 * 60
|
||
if expireStr != "" {
|
||
var err error
|
||
expire, err = strconv.Atoi(expireStr)
|
||
if err != nil {
|
||
panic(`过期时间不符合规范`)
|
||
}
|
||
if expire < 1 {
|
||
panic(`过期时间不符合规范`)
|
||
}
|
||
|
||
}
|
||
|
||
//文件公有或私有
|
||
privacyStr := request.FormValue("privacy")
|
||
var privacy bool
|
||
if privacyStr == "" {
|
||
panic(`文件公有性必填`)
|
||
} else {
|
||
if privacyStr == TRUE {
|
||
privacy = true
|
||
} else if privacyStr == "false" {
|
||
privacy = false
|
||
} else {
|
||
panic(`文件公有性不符合规范`)
|
||
}
|
||
}
|
||
|
||
//文件大小
|
||
sizeStr := request.FormValue("size")
|
||
var size int64
|
||
if sizeStr == "" {
|
||
panic(`文件大小必填`)
|
||
} else {
|
||
|
||
var err error
|
||
size, err = strconv.ParseInt(sizeStr, 10, 64)
|
||
if err != nil {
|
||
panic(`文件大小不符合规范`)
|
||
}
|
||
if size < 1 {
|
||
panic(`文件大小不符合规范`)
|
||
}
|
||
}
|
||
|
||
//文件夹路径，以 / 开头。
|
||
dir := request.FormValue("dir")
|
||
|
||
user := this.checkUser(request)
|
||
dirMatter := this.matterService.CreateDirectories(request, user, dir)
|
||
|
||
mm, _ := time.ParseDuration(fmt.Sprintf("%ds", expire))
|
||
uploadToken := &UploadToken{
|
||
UserUuid: user.Uuid,
|
||
FolderUuid: dirMatter.Uuid,
|
||
MatterUuid: "",
|
||
ExpireTime: time.Now().Add(mm),
|
||
Filename: filename,
|
||
Privacy: privacy,
|
||
Size: size,
|
||
Ip: util.GetIpAddress(request),
|
||
}
|
||
|
||
uploadToken = this.uploadTokenDao.Create(uploadToken)
|
||
|
||
return this.Success(uploadToken)
|
||
|
||
}
|
||
|
||
//系统中的用户x 拿着某个文件的uuid来确认是否其信任的用户已经上传好了。
|
||
func (this *AlienController) Confirm(writer http.ResponseWriter, request *http.Request) *result.WebResult {
|
||
|
||
matterUuid := request.FormValue("matterUuid")
|
||
if matterUuid == "" {
|
||
panic("matterUuid必填")
|
||
}
|
||
|
||
user := this.checkUser(request)
|
||
|
||
matter := this.matterDao.CheckByUuid(matterUuid)
|
||
if matter.UserUuid != user.Uuid {
|
||
panic("文件不属于你")
|
||
}
|
||
|
||
return this.Success(matter)
|
||
}
|
||
|
||
//系统中的用户x 信任的用户上传文件。这个接口需要支持跨域。
|
||
func (this *AlienController) Upload(writer http.ResponseWriter, request *http.Request) *result.WebResult {
|
||
//允许跨域请求。
|
||
this.allowCORS(writer)
|
||
if request.Method == "OPTIONS" {
|
||
return this.Success("OK")
|
||
}
|
||
|
||
uploadTokenUuid := request.FormValue("uploadTokenUuid")
|
||
if uploadTokenUuid == "" {
|
||
panic("uploadTokenUuid必填")
|
||
}
|
||
|
||
uploadToken := this.uploadTokenDao.FindByUuid(uploadTokenUuid)
|
||
if uploadToken == nil {
|
||
panic("uploadTokenUuid无效")
|
||
}
|
||
|
||
if uploadToken.ExpireTime.Before(time.Now()) {
|
||
panic("uploadToken已失效")
|
||
}
|
||
|
||
user := this.userDao.CheckByUuid(uploadToken.UserUuid)
|
||
|
||
err := request.ParseMultipartForm(32 << 20)
|
||
this.PanicError(err)
|
||
|
||
file, handler, err := request.FormFile("file")
|
||
this.PanicError(err)
|
||
defer func() {
|
||
e := file.Close()
|
||
this.PanicError(e)
|
||
}()
|
||
|
||
if handler.Filename != uploadToken.Filename {
|
||
panic("文件名称不正确")
|
||
}
|
||
|
||
if handler.Size != uploadToken.Size {
|
||
panic("文件大小不正确")
|
||
}
|
||
|
||
dirMatter := this.matterDao.CheckWithRootByUuid(uploadToken.FolderUuid, user)
|
||
|
||
matter := this.matterService.AtomicUpload(request, file, user, dirMatter, uploadToken.Filename, uploadToken.Privacy)
|
||
|
||
//更新这个uploadToken的信息.
|
||
uploadToken.ExpireTime = time.Now()
|
||
this.uploadTokenDao.Save(uploadToken)
|
||
|
||
return this.Success(matter)
|
||
}
|
||
|
||
//给一个指定的url，从该url中去拉取文件回来。此处采用uploadToken的模式。
|
||
func (this *AlienController) CrawlToken(writer http.ResponseWriter, request *http.Request) *result.WebResult {
|
||
//允许跨域请求。
|
||
this.allowCORS(writer)
|
||
if request.Method == "OPTIONS" {
|
||
return this.Success("OK")
|
||
}
|
||
|
||
uploadTokenUuid := request.FormValue("uploadTokenUuid")
|
||
url := request.FormValue("url")
|
||
|
||
if uploadTokenUuid == "" {
|
||
panic("uploadTokenUuid必填")
|
||
}
|
||
|
||
uploadToken := this.uploadTokenDao.FindByUuid(uploadTokenUuid)
|
||
if uploadToken == nil {
|
||
panic("uploadTokenUuid无效")
|
||
}
|
||
|
||
if uploadToken.ExpireTime.Before(time.Now()) {
|
||
panic("uploadToken已失效")
|
||
}
|
||
|
||
user := this.userDao.CheckByUuid(uploadToken.UserUuid)
|
||
|
||
dirMatter := this.matterDao.CheckWithRootByUuid(uploadToken.FolderUuid, user)
|
||
|
||
matter := this.matterService.AtomicCrawl(request, url, uploadToken.Filename, user, dirMatter, uploadToken.Privacy)
|
||
|
||
//更新这个uploadToken的信息.
|
||
uploadToken.ExpireTime = time.Now()
|
||
this.uploadTokenDao.Save(uploadToken)
|
||
|
||
return this.Success(matter)
|
||
}
|
||
|
||
//通过一个url直接上传，无需借助uploadToken.
|
||
func (this *AlienController) CrawlDirect(writer http.ResponseWriter, request *http.Request) *result.WebResult {
|
||
|
||
//文件名。
|
||
filename := request.FormValue("filename")
|
||
//文件公有或私有
|
||
privacyStr := request.FormValue("privacy")
|
||
//文件夹路径，以 / 开头。
|
||
dir := request.FormValue("dir")
|
||
url := request.FormValue("url")
|
||
|
||
if filename == "" {
|
||
panic("文件名必填")
|
||
} else if m, _ := regexp.MatchString(MATTER_NAME_PATTERN, filename); m {
|
||
panic(result.BadRequestI18n(request, i18n.MatterNameContainSpecialChars))
|
||
}
|
||
|
||
var privacy bool
|
||
if privacyStr == "" {
|
||
panic(`文件公有性必填`)
|
||
} else {
|
||
if privacyStr == TRUE {
|
||
privacy = true
|
||
} else if privacyStr == FALSE {
|
||
privacy = false
|
||
} else {
|
||
panic(`文件公有性不符合规范`)
|
||
}
|
||
}
|
||
|
||
user := this.checkUser(request)
|
||
dirMatter := this.matterService.CreateDirectories(request, user, dir)
|
||
|
||
matter := this.matterService.AtomicCrawl(request, url, filename, user, dirMatter, privacy)
|
||
|
||
return this.Success(matter)
|
||
}
|
||
|
||
//系统中的用户x要获取一个DownloadToken，用于提供给x信任的用户下载文件。
|
||
func (this *AlienController) FetchDownloadToken(writer http.ResponseWriter, request *http.Request) *result.WebResult {
|
||
|
||
matterUuid := request.FormValue("matterUuid")
|
||
if matterUuid == "" {
|
||
panic("matterUuid必填")
|
||
}
|
||
|
||
user := this.checkUser(request)
|
||
|
||
matter := this.matterDao.CheckByUuid(matterUuid)
|
||
if matter.UserUuid != user.Uuid {
|
||
panic("文件不属于你")
|
||
}
|
||
if matter.Dir {
|
||
panic("不支持下载文件夹")
|
||
}
|
||
|
||
//什么时间后过期，默认24h
|
||
expireStr := request.FormValue("expire")
|
||
expire := 24 * 60 * 60
|
||
if expireStr != "" {
|
||
var err error
|
||
expire, err = strconv.Atoi(expireStr)
|
||
if err != nil {
|
||
panic(`过期时间不符合规范`)
|
||
}
|
||
if expire < 1 {
|
||
panic(`过期时间不符合规范`)
|
||
}
|
||
|
||
}
|
||
|
||
mm, _ := time.ParseDuration(fmt.Sprintf("%ds", expire))
|
||
downloadToken := &DownloadToken{
|
||
UserUuid: user.Uuid,
|
||
MatterUuid: matterUuid,
|
||
ExpireTime: time.Now().Add(mm),
|
||
Ip: util.GetIpAddress(request),
|
||
}
|
||
|
||
downloadToken = this.downloadTokenDao.Create(downloadToken)
|
||
|
||
return this.Success(downloadToken)
|
||
|
||
}
|
||
|
||
//预览一个文件。既可以使用登录的方式，也可以使用授权的方式
|
||
func (this *AlienController) Preview(writer http.ResponseWriter, request *http.Request, uuid string, filename string) {
|
||
|
||
this.alienService.PreviewOrDownload(writer, request, uuid, filename, false)
|
||
}
|
||
|
||
//下载一个文件。既可以使用登录的方式，也可以使用授权的方式
|
||
func (this *AlienController) Download(writer http.ResponseWriter, request *http.Request, uuid string, filename string) {
|
||
|
||
this.alienService.PreviewOrDownload(writer, request, uuid, filename, true)
|
||
}
|