func (u Util) GetFileRandom() (this_file types.File, err error) {
r := hash.Rand64()
err = u.Gfs.Find(bson.M{"random": bson.M{"$gt": r}}).One(&this_file)
if err != nil {
return this_file, err
}
if len(this_file.Md5) == 0 {
err = u.Gfs.Find(bson.M{"random": bson.M{"$lt": r}}).One(&this_file)
}
if err != nil {
return this_file, err
}
return this_file, nil
}
/*
GET /urlie
POST /urlie
*/
func routeGetFromUrl(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" {
err := UrliePage(w)
if err != nil {
log.Printf("error: %s", err)
}
httplog.LogRequest(r, 200)
return
}
if r.Method == "POST" {
var (
err error
stored_filename string
local_filename string
useRandName bool = false
info types.Info
)
info = types.Info{
Ip: r.RemoteAddr,
Random: hash.Rand64(),
TimeStamp: time.Now(),
}
log.Println(info)
err = r.ParseMultipartForm(1024 * 5)
if err != nil {
serverErr(w, r, err)
return
}
log.Printf("%q", r.MultipartForm.Value)
for k, v := range r.MultipartForm.Value {
if k == "keywords" {
info.Keywords = append(info.Keywords, strings.Split(v[0], ",")...)
} else if k == "url" {
local_filename, err = util.FetchFileFromURL(v[0])
if err != nil {
serverErr(w, r, err)
return
} else if len(local_filename) == 0 {
httplog.LogRequest(r, 404)
http.NotFound(w, r)
return
}
// Yay, hopefully we got an image!
} else if k == "rand" {
useRandName = true
} else {
log.Printf("WARN: not sure what to do with param [%s = %s]", k, v)
}
}
exists, err := du.HasFileByFilename(filepath.Base(strings.ToLower(local_filename)))
if err != nil {
serverErr(w, r, err)
return
}
if exists || useRandName {
ext := filepath.Ext(local_filename)
str := hash.GetSmallHash()
stored_filename = fmt.Sprintf("%s%s", str, ext)
} else {
stored_filename = filepath.Base(local_filename)
}
file, err := gfs.Create(strings.ToLower(stored_filename))
defer file.Close()
if err != nil {
serverErr(w, r, err)
return
}
local_fh, err := os.Open(local_filename)
defer local_fh.Close()
if err != nil {
serverErr(w, r, err)
return
}
file.SetMeta(&info)
// copy the request body into the gfs file
n, err := io.Copy(file, local_fh)
if err != nil {
serverErr(w, r, err)
return
}
log.Printf("Wrote [%d] bytes from %s to %s", n, local_filename, stored_filename)
http.Redirect(w, r, fmt.Sprintf("/v/%s", stored_filename), 302)
} else {
httplog.LogRequest(r, 404)
http.NotFound(w, r)
return
}
httplog.LogRequest(r, 200) // if we make it this far, then log success
}
/*
GET /upload
POST /upload
*/
func routeUpload(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" {
// Show the upload form
httplog.LogRequest(r, 200) // if we make it this far, then log success
err := UploadPage(w)
if err != nil {
log.Printf("error: %s", err)
}
return
}
if r.Method == "POST" {
info := types.Info{
Ip: r.RemoteAddr,
Random: hash.Rand64(),
TimeStamp: time.Now(),
}
// handle the form posting to this route
err := r.ParseMultipartForm(1024 * 5)
if err != nil {
serverErr(w, r, err)
return
}
useRandName := false
log.Printf("%q", r.MultipartForm.Value)
for k, v := range r.MultipartForm.Value {
if k == "keywords" {
info.Keywords = append(info.Keywords, strings.Split(v[0], ",")...)
} else if k == "rand" {
useRandName = true
} else {
log.Printf("WARN: not sure what to do with param [%s = %s]", k, v)
}
}
filehdr := r.MultipartForm.File["filename"][0]
filename := filehdr.Filename
exists, err := du.HasFileByFilename(filename)
if err != nil {
serverErr(w, r, err)
return
}
if exists || useRandName {
ext := filepath.Ext(filename)
str := hash.GetSmallHash()
filename = fmt.Sprintf("%s%s", str, ext)
}
file, err := gfs.Create(filename)
defer file.Close()
if err != nil {
serverErr(w, r, err)
return
}
file.SetMeta(&info)
multiFile, err := filehdr.Open()
if err != nil {
log.Println(err)
return
}
n, err := io.Copy(file, multiFile)
if err != nil {
serverErr(w, r, err)
return
}
if n != r.ContentLength {
log.Printf("WARNING: [%s] content-length (%d), content written (%d)",
filename,
r.ContentLength,
n)
}
http.Redirect(w, r, fmt.Sprintf("/v/%s", filename), 302)
} else {
httplog.LogRequest(r, 404)
http.NotFound(w, r)
return
}
httplog.LogRequest(r, 200) // if we make it this far, then log success
}
// Create the file by the name in the path and/or parameter?
// add keywords from the parameters
// look for an image in the r.Body
func routeFilesPOST(w http.ResponseWriter, r *http.Request) {
uriChunks := chunkURI(r.URL.Path)
if len(uriChunks) > 2 &&
((len(uriChunks) == 2 && len(uriChunks[1]) == 0) &&
len(r.URL.RawQuery) == 0) {
httplog.LogRequest(r, 403)
http.Error(w, "Not Acceptable", 403)
return
}
var filename string
info := types.Info{
Ip: r.RemoteAddr,
Random: hash.Rand64(),
TimeStamp: time.Now(),
}
filename = r.FormValue("filename")
if len(filename) == 0 && len(uriChunks) == 2 && len(uriChunks[1]) != 0 {
filename = strings.ToLower(uriChunks[1])
}
log.Printf("%s\n", filename)
var p_ext string
p_ext = r.FormValue("ext")
if len(filename) > 0 && len(p_ext) == 0 {
p_ext = filepath.Ext(filename)
} else if len(p_ext) > 0 && strings.HasPrefix(p_ext, ".") {
p_ext = fmt.Sprintf(".%s", p_ext)
}
for _, word := range []string{
"k", "key", "keyword",
"keys", "keywords",
} {
v := r.FormValue(word)
if len(v) > 0 {
if strings.Contains(v, ",") {
info.Keywords = append(info.Keywords, strings.Split(v, ",")...)
} else {
info.Keywords = append(info.Keywords, v)
}
}
}
if len(filename) == 0 {
str := hash.GetSmallHash()
if len(p_ext) == 0 {
filename = fmt.Sprintf("%s.jpg", str)
} else {
filename = fmt.Sprintf("%s%s", str, p_ext)
}
}
exists, err := du.HasFileByFilename(filename)
if err == nil && !exists {
file, err := gfs.Create(filename)
defer file.Close()
if err != nil {
serverErr(w, r, err)
return
}
file.SetMeta(&info)
// copy the request body into the gfs file
n, err := io.Copy(file, r.Body)
if err != nil {
serverErr(w, r, err)
return
}
if n != r.ContentLength {
log.Printf("WARNING: [%s] content-length (%d), content written (%d)",
filename,
r.ContentLength,
n)
}
} else if exists {
if r.Method == "PUT" {
// TODO nothing will get here presently. Workflow needs more review
file, err := gfs.Open(filename)
defer file.Close()
if err != nil {
serverErr(w, r, err)
return
}
var mInfo types.Info
err = file.GetMeta(&mInfo)
if err != nil {
log.Printf("ERROR: failed to get metadata for %s. %s\n", filename, err)
}
mInfo.Keywords = append(mInfo.Keywords, info.Keywords...)
file.SetMeta(&mInfo)
} else {
log.Printf("[%s] already exists", filename)
}
} else {
serverErr(w, r, err)
return
}
if strings.Contains(r.Header.Get("Accept"), "text/html") {
io.WriteString(w,
fmt.Sprintf("<a href=\"/f/%s\">/f/%s</a>\n", filename, filename))
} else {
io.WriteString(w, fmt.Sprintf("/f/%s\n", filename))
}
httplog.LogRequest(r, 200)
}