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190 lines
3.8 KiB
Go
190 lines
3.8 KiB
Go
package storage
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import (
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"git.sp4ke.com/sp4ke/bit4sat/db"
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"git.sp4ke.com/sp4ke/bit4sat/utils"
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"github.com/gin-gonic/gin"
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"github.com/segmentio/ksuid"
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)
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type UploadCtrl struct{}
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func (ctrl UploadCtrl) New(c *gin.Context) {
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uploadForm := UploadForm{}
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if err := c.ShouldBindJSON(&uploadForm); err != nil {
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utils.JSONErr(c, http.StatusNotAcceptable,
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"could not parse form")
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return
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}
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// Create unique id
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id := ksuid.New()
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tx, err := db.DB.Sql.Beginx()
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if err != nil {
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utils.JSONErrPriv(c, http.StatusInternalServerError, err)
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return
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}
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for _, file := range uploadForm.Files {
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up := &Upload{}
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up.ID = id.String()
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log.Println(file.Name)
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up.FileName, up.FileExt = utils.CleanFileName(file.Name)
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up.FileSize = file.Size
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up.FileType = file.Type
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up.SHA256 = file.SHA256
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up.Status = UpNew
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err := up.TxWrite(tx)
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if err != nil {
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utils.JSONErrPriv(c, http.StatusInternalServerError, err)
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db.RollbackTx(tx, nil)
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return
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}
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}
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err = tx.Commit()
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if err != nil {
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utils.JSONErrPriv(c, http.StatusInternalServerError, err)
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return
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}
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log.Println("new upload created")
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c.JSON(http.StatusOK, gin.H{
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"status": http.StatusOK,
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"result": gin.H{
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"id": id,
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},
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})
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}
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func (ctrl UploadCtrl) Upload(c *gin.Context) {
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// Check that upload ID exists
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id := c.Param("id")
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exists, err := IdExists(id)
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if err != nil {
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utils.JSONErrPriv(c, http.StatusInternalServerError, err)
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return
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}
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if !exists {
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utils.JSONErr(c, http.StatusNotFound, "id not found")
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return
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}
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form, err := c.MultipartForm()
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if err != nil {
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utils.JSONErr(c, http.StatusNotAcceptable,
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fmt.Sprintf("Could not parse form: %s", err.Error()))
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return
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}
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files := form.File["upload[]"]
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tx, err := db.DB.Sql.Beginx()
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if err != nil {
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utils.JSONErrPriv(c, http.StatusInternalServerError, err)
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return
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}
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for _, file := range files {
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log.Printf("Handling %s", file.Filename)
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// Get the file's sha256
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hasher := sha256.New()
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formFd, err := file.Open()
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defer formFd.Close()
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if err != nil {
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utils.JSONErr(
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c, http.StatusInternalServerError,
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fmt.Sprintf("Could not read file %s", file.Filename),
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)
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db.RollbackTx(tx, nil)
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return
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}
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_, err = io.Copy(hasher, formFd)
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if err != nil {
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utils.JSONErr(c, http.StatusInternalServerError,
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"")
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db.RollbackTx(tx, nil)
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return
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}
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sum256 := hex.EncodeToString(hasher.Sum(nil))
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// Get the file's metadata from upload table
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up, err := GetByHashID(sum256, id)
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if err != nil {
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utils.JSONErrPriv(c, http.StatusNotFound, err)
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db.RollbackTx(tx, nil)
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return
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}
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log.Printf("Found received file's %s metadata in local database\n", up.FileName)
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//log.Println(up)
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// Store file
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if up.Status == UpStored {
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utils.JSONErr(c, http.StatusConflict,
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fmt.Sprintf("%s already uploaded", up.FileName))
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return
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}
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//
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//
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log.Println("Storing file")
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err = StoreFormFile(formFd, up.SHA256+up.FileExt)
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if err != nil {
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utils.JSONErrPriv(c, http.StatusInternalServerError, err)
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db.RollbackTx(tx, nil)
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return
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}
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log.Printf("%s stored at %s", up.FileName,
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GetStoreDestination(up.SHA256+up.FileExt))
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// Setting status to stored
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log.Println("Updating upload status to stored")
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up.Status = UpStored
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err = up.TxSetState(tx, UpStored)
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if err != nil {
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utils.JSONErrPriv(c, http.StatusInternalServerError, err)
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db.RollbackTx(tx, func() {
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err := os.Remove(GetStoreDestination(up.SHA256 + up.FileExt))
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if err != nil {
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log.Println(err)
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}
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})
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return
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}
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}
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err = tx.Commit()
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if err != nil {
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utils.JSONErrPriv(c, http.StatusInternalServerError, err)
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"status": http.StatusOK,
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"result": fmt.Sprintf("%d files uploaded uploaded !", len(files)),
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})
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}
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