mirrors/imgsrv
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getting the embedded image view ironed out a bit more

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Also, getting the randomize hash name worked out, to avoid file name
collisions.
This commit is contained in:
Vincent Batts 2013-05-09 09:36:21 -04:00
parent 4fbbcd622d
commit 75ee3c520c
3 changed files with 100 additions and 46 deletions
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14
layouts.go
View file

@ -121,17 +121,23 @@ var listTemplateHTML = `
{{if .}}
<ul>
{{range .}}
<li><a href="/f/{{.Filename}}">{{.Filename}}</a>
<li>
<a href="/v/{{.Filename}}">{{.Filename}}</a>
[keywords:{{range $key := .Metadata.Keywords}} <a href="/k/{{$key}}">{{$key}}</a>{{end}}]
[md5: <a href="/md5/{{.Md5}}">{{.Md5 | printf "%8.8s"}}...</a>]</li>
{{end}}
</ul>
{{end}}
`
var imageViewTemplate = template.Must(template.New("image").Parse(imageViewTemplateHTML))
var imageViewTemplateHTML = `
var fileViewTemplate = template.Must(template.New("file").Parse(fileViewTemplateHTML))
var fileViewTemplateHTML = `
{{if .}}
{{if .IsImage}}
<a href="/f/{{.Filename}}"><img src="/f/{{.Filename}}"></a>
{{else}}
<a href="/f/{{.Filename}}">{{.Filename}}</a>
{{end}}
<br/>
[keywords:{{range $key := .Metadata.Keywords}} <a href="/k/{{$key}}">{{$key}}</a>{{end}}]
<br/>
@ -204,7 +210,7 @@ func ImageViewPage(w io.Writer, file File) (err error) {
return err
}
err = imageViewTemplate.Execute(w, file)
err = fileViewTemplate.Execute(w, file)
if err != nil {
return err
}

117
server.go
View file

@ -123,12 +123,17 @@ func routeViewsGET(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
if len(uriChunks) == 2 && len(uriChunks[1]) > 0 {
var file File
err := gfs.Find(bson.M{"filename": uriChunks[1]}).One(&file)
err := gfs.Find(bson.M{"filename": uriChunks[1]}).One(&file)
if err != nil {
serverErr(w, r, err)
return
}
ImageViewPage(w, file)
file.SetIsImage()
err = ImageViewPage(w, file)
if err != nil {
log.Printf("error: %s", err)
}
} else {
// no filename given, show them the full listing
http.Redirect(w, r, "/all", 302)
@ -383,7 +388,10 @@ func routeRoot(w http.ResponseWriter, r *http.Request) {
serverErr(w, r, err)
return
}
ListFilesPage(w, files)
err = ListFilesPage(w, files)
if err != nil {
log.Printf("error: %s", err)
}
LogRequest(r, 200)
}
@ -403,7 +411,10 @@ func routeAll(w http.ResponseWriter, r *http.Request) {
serverErr(w, r, err)
return
}
ListFilesPage(w, files)
err = ListFilesPage(w, files)
if err != nil {
log.Printf("error: %s", err)
}
LogRequest(r, 200)
}
@ -449,7 +460,10 @@ func routeKeywords(w http.ResponseWriter, r *http.Request) {
return
}
log.Println(len(files))
ListFilesPage(w, files)
err = ListFilesPage(w, files)
if err != nil {
log.Printf("error: %s", err)
}
LogRequest(r, 200)
}
@ -472,7 +486,10 @@ func routeMD5s(w http.ResponseWriter, r *http.Request) {
serverErr(w, r, err)
return
}
ListFilesPage(w, files)
err = ListFilesPage(w, files)
if err != nil {
log.Printf("error: %s", err)
}
LogRequest(r, 200)
}
@ -538,7 +555,11 @@ func routeGetFromUrl(w http.ResponseWriter, r *http.Request) {
}
}
exists, err := HasFileByFilename(local_filename)
if err == nil && !exists {
if err != nil {
serverErr(w, r, err)
return
}
if !exists {
file, err := gfs.Create(filepath.Base(local_filename))
defer file.Close()
if err != nil {
@ -569,7 +590,10 @@ func routeGetFromUrl(w http.ResponseWriter, r *http.Request) {
return
}
} else if r.Method == "GET" {
UrliePage(w)
err := UrliePage(w)
if err != nil {
log.Printf("error: %s", err)
}
} else {
LogRequest(r, 404)
http.NotFound(w, r)
@ -583,6 +607,16 @@ func routeGetFromUrl(w http.ResponseWriter, r *http.Request) {
POST /upload
*/
func routeUpload(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" {
// Show the upload form
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 := Info{
Ip: r.RemoteAddr,
@ -596,56 +630,57 @@ func routeUpload(w http.ResponseWriter, r *http.Request) {
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]
exists, err := HasFileByFilename(filehdr.Filename)
filename := filehdr.Filename
exists, err := HasFileByFilename(filename)
if err != nil {
serverErr(w, r, err)
return
} else if err == nil && !exists {
file, err := gfs.Create(filehdr.Filename)
defer file.Close()
if err != nil {
serverErr(w, r, err)
return
}
file.SetMeta(&info)
}
if exists || useRandName {
ext := filepath.Ext(filename)
str := GetSmallHash()
filename = fmt.Sprintf("%s%s", str, ext)
}
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)",
filehdr.Filename,
r.ContentLength,
n)
}
http.Redirect(w, r, fmt.Sprintf("/v/%s", filehdr.Filename), 302)
} else if exists {
// print some message about the file already existing
} else {
file, err := gfs.Create(filename)
defer file.Close()
if err != nil {
serverErr(w, r, err)
return
}
} else if r.Method == "GET" {
// Show the upload form
UploadPage(w)
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 {
LogRequest(r, 404)
http.NotFound(w, r)

15
types.go
View file

@ -1,6 +1,12 @@
package main
import "time"
import (
"mime"
"path/filepath"
"strings"
"time"
"fmt"
)
type Info struct {
Keywords []string // tags
@ -16,5 +22,12 @@ type File struct {
UploadDate time.Time
Length int64
Filename string ",omitempty"
IsImage bool
ContentType string "contentType,omitempty"
}
func (f *File) SetIsImage() {
m_type := mime.TypeByExtension(filepath.Ext(f.Filename))
f.IsImage = strings.Contains(m_type, "image")
fmt.Println(f.Filename,f.IsImage)
}