|
- package writefreely
-
- import (
- "encoding/json"
- "fmt"
- "html/template"
- "io"
- "io/ioutil"
- "net/http"
- "os"
- "path/filepath"
- "strings"
- "time"
-
- "github.com/hashicorp/go-multierror"
- "github.com/writeas/impart"
- wfimport "github.com/writeas/import"
- "github.com/writeas/web-core/log"
- )
-
- func viewImport(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
- // Fetch extra user data
- p := NewUserPage(app, r, u, "Import Posts", nil)
-
- c, err := app.db.GetCollections(u, app.Config().App.Host)
- if err != nil {
- return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("unable to fetch collections: %v", err)}
- }
-
- d := struct {
- *UserPage
- Collections *[]Collection
- Flashes []template.HTML
- Message string
- InfoMsg bool
- }{
- UserPage: p,
- Collections: c,
- Flashes: []template.HTML{},
- }
-
- flashes, _ := getSessionFlashes(app, w, r, nil)
- for _, flash := range flashes {
- if strings.HasPrefix(flash, "SUCCESS: ") {
- d.Message = strings.TrimPrefix(flash, "SUCCESS: ")
- } else if strings.HasPrefix(flash, "INFO: ") {
- d.Message = strings.TrimPrefix(flash, "INFO: ")
- d.InfoMsg = true
- } else {
- d.Flashes = append(d.Flashes, template.HTML(flash))
- }
- }
-
- showUserPage(w, "import", d)
- return nil
- }
-
- func handleImport(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
- // limit 10MB per submission
- r.ParseMultipartForm(10 << 20)
-
- collAlias := r.PostFormValue("collection")
- coll := &Collection{
- ID: 0,
- }
- var err error
- if collAlias != "" {
- coll, err = app.db.GetCollection(collAlias)
- if err != nil {
- log.Error("Unable to get collection for import: %s", err)
- return err
- }
- // Only allow uploading to collection if current user is owner
- if coll.OwnerID != u.ID {
- err := ErrUnauthorizedGeneral
- _ = addSessionFlash(app, w, r, err.Message, nil)
- return err
- }
- coll.hostName = app.cfg.App.Host
- }
-
- fileDates := make(map[string]int64)
- err = json.Unmarshal([]byte(r.FormValue("fileDates")), &fileDates)
- if err != nil {
- log.Error("invalid form data for file dates: %v", err)
- return impart.HTTPError{http.StatusBadRequest, "form data for file dates was invalid"}
- }
- files := r.MultipartForm.File["files"]
- var fileErrs []error
- filesSubmitted := len(files)
- var filesImported int
- for _, formFile := range files {
- fname := ""
- ok := func() bool {
- file, err := formFile.Open()
- if err != nil {
- fileErrs = append(fileErrs, fmt.Errorf("Unable to read file %s", formFile.Filename))
- log.Error("import file: open from form: %v", err)
- return false
- }
- defer file.Close()
-
- tempFile, err := ioutil.TempFile("", "post-upload-*.txt")
- if err != nil {
- fileErrs = append(fileErrs, fmt.Errorf("Internal error for %s", formFile.Filename))
- log.Error("import file: create temp file %s: %v", formFile.Filename, err)
- return false
- }
- defer tempFile.Close()
-
- _, err = io.Copy(tempFile, file)
- if err != nil {
- fileErrs = append(fileErrs, fmt.Errorf("Internal error for %s", formFile.Filename))
- log.Error("import file: copy to temp location %s: %v", formFile.Filename, err)
- return false
- }
-
- info, err := tempFile.Stat()
- if err != nil {
- fileErrs = append(fileErrs, fmt.Errorf("Internal error for %s", formFile.Filename))
- log.Error("import file: stat temp file %s: %v", formFile.Filename, err)
- return false
- }
- fname = info.Name()
- return true
- }()
- if !ok {
- continue
- }
-
- post, err := wfimport.FromFile(filepath.Join(os.TempDir(), fname))
- if err == wfimport.ErrEmptyFile {
- // not a real error so don't log
- _ = addSessionFlash(app, w, r, fmt.Sprintf("%s was empty, import skipped", formFile.Filename), nil)
- continue
- } else if err == wfimport.ErrInvalidContentType {
- // same as above
- _ = addSessionFlash(app, w, r, fmt.Sprintf("%s is not a supported post file", formFile.Filename), nil)
- continue
- } else if err != nil {
- fileErrs = append(fileErrs, fmt.Errorf("failed to read copy of %s", formFile.Filename))
- log.Error("import textfile: file to post: %v", err)
- continue
- }
-
- if collAlias != "" {
- post.Collection = collAlias
- }
- dateTime := time.Unix(fileDates[formFile.Filename], 0)
- post.Created = &dateTime
- created := post.Created.Format("2006-01-02T15:04:05Z")
- submittedPost := SubmittedPost{
- Title: &post.Title,
- Content: &post.Content,
- Font: "norm",
- Created: &created,
- }
- rp, err := app.db.CreatePost(u.ID, coll.ID, &submittedPost)
- if err != nil {
- fileErrs = append(fileErrs, fmt.Errorf("failed to create post from %s", formFile.Filename))
- log.Error("import textfile: create db post: %v", err)
- continue
- }
-
- // Federate post, if necessary
- if app.cfg.App.Federation && coll.ID > 0 {
- go federatePost(
- app,
- &PublicPost{
- Post: rp,
- Collection: &CollectionObj{
- Collection: *coll,
- },
- },
- coll.ID,
- false,
- )
- }
- filesImported++
- }
- if len(fileErrs) != 0 {
- _ = addSessionFlash(app, w, r, multierror.ListFormatFunc(fileErrs), nil)
- }
-
- if filesImported == filesSubmitted {
- verb := "posts"
- if filesSubmitted == 1 {
- verb = "post"
- }
- _ = addSessionFlash(app, w, r, fmt.Sprintf("SUCCESS: Import complete, %d %s imported.", filesImported, verb), nil)
- } else if filesImported > 0 {
- _ = addSessionFlash(app, w, r, fmt.Sprintf("INFO: %d of %d posts imported, see details below.", filesImported, filesSubmitted), nil)
- }
- return impart.HTTPError{http.StatusFound, "/me/import"}
- }
|