mirror of https://github.com/vbatts/imgsrv.git
cleanup: more spreading out of files
This commit is contained in:
Vincent Batts
parent
f05e47e0a1
commit
c616327fc6
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@ -0,0 +1,33 @@
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package main
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import (
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"crypto/md5"
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"fmt"
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"hash/adler32"
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"io"
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"time"
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)
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/* Convinience method for getting md5 sum of a string */
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func GetMd5FromString(blob string) (sum []byte) {
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h := md5.New()
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defer h.Reset()
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io.WriteString(h,blob)
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return h.Sum(nil)
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}
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/* Convinience method for getting md5 sum of some bytes */
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func GetMd5FromBytes(blob []byte) (sum []byte) {
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h := md5.New()
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defer h.Reset()
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h.Write(blob)
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return h.Sum(nil)
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}
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/* get a small, decently unique hash */
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func GetSmallHash() (small_hash string) {
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h := adler32.New()
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io.WriteString(h, fmt.Sprintf("%d", time.Now().Unix()))
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return fmt.Sprintf("%X", h.Sum(nil))
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}
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429
imgsrv.go
429
imgsrv.go
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@ -8,21 +8,13 @@ package main
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*/
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import (
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"crypto/md5"
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"flag"
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"fmt"
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"hash/adler32"
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"io"
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"labix.org/v2/mgo"
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"labix.org/v2/mgo/bson"
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"log"
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"math/rand"
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"mime"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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@ -72,427 +64,6 @@ type File struct {
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ContentType string "contentType,omitempty"
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}
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/* return a <a href/> for a given filename
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and root is the relavtive base of the explicit link.
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*/
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func linkToFile(root string, filename string) (html string) {
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return fmt.Sprintf("<a href='%s/f/%s'>%s</a>",
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root,
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filename,
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filename)
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}
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/* return the sections of the URI Path.
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This will disregard the leading '/'
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*/
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func chunkURI(uri string) (chunks []string) {
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var str string
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if (uri[0] == '/') {
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str = uri[1:]
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} else {
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str = uri
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}
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return strings.Split(str, "/")
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}
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/* given an url.URL.RawQuery, get a dictionary in return */
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func parseRawQuery(qry string) (params map[string]string) {
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qryChunks := strings.Split(qry, "&")
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params = make(map[string]string, len(qryChunks))
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for _, chunk := range qryChunks {
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p := strings.SplitN(chunk, "=", 2)
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if (len(p) == 2) {
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params[p[0]] = p[1]
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}
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}
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return params
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}
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/* kindof a common log type output */
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func LogRequest(r *http.Request, statusCode int) {
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var addr string
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var user_agent string
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user_agent = ""
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addr = r.RemoteAddr
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for k, v := range r.Header {
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if k == "User-Agent" {
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user_agent = strings.Join(v, " ")
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}
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if k == "X-Forwarded-For" {
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addr = strings.Join(v," ")
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}
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}
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fmt.Printf("%s - - [%s] \"%s %s\" \"%s\" %d %d\n",
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addr,
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time.Now(),
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r.Method,
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r.URL.Path,
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user_agent,
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statusCode,
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r.ContentLength )
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}
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/* Convinience method for getting md5 sum of a string */
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func getMd5FromString(blob string) (sum []byte) {
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h := md5.New()
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defer h.Reset()
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io.WriteString(h,blob)
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return h.Sum(nil)
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}
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/* Convinience method for getting md5 sum of some bytes */
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func getMd5FromBytes(blob []byte) (sum []byte) {
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h := md5.New()
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defer h.Reset()
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h.Write(blob)
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return h.Sum(nil)
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}
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/* get a small, decently unique hash */
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func getSmallHash() (small_hash string) {
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h := adler32.New()
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io.WriteString(h, fmt.Sprintf("%d", time.Now().Unix()))
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return fmt.Sprintf("%X", h.Sum(nil))
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}
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func serverErr(w http.ResponseWriter, r *http.Request, e error) {
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log.Printf("Error: %s", e)
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LogRequest(r,503)
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fmt.Fprintf(w,"Error: %s", e)
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http.Error(w, "Service Unavailable", 503)
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return
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}
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/*
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GET /f/
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GET /f/:name
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*/
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// Show a page of most recent images, and tags, and uploaders ...
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func routeFilesGET(w http.ResponseWriter, r *http.Request) {
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uriChunks := chunkURI(r.URL.Path)
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if ( len(uriChunks) > 2 ) {
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LogRequest(r,404)
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http.NotFound(w,r)
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return
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}
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if (len(uriChunks) == 2 && len(uriChunks[1]) > 0) {
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log.Printf("Searching for [%s] ...", uriChunks[1])
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query := gfs.Find(bson.M{"filename": uriChunks[1] })
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c, err := query.Count()
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// preliminary checks, if they've passed an image name
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if (err != nil) {
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serverErr(w,r,err)
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return
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}
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log.Printf("Results for [%s] = %d", uriChunks[1], c)
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if (c == 0) {
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LogRequest(r,404)
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http.NotFound(w,r)
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return
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}
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ext := filepath.Ext(uriChunks[1])
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w.Header().Set("Content-Type", mime.TypeByExtension(ext))
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w.Header().Set("Cache-Control", "max-age=315360000")
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w.WriteHeader(http.StatusOK)
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file, err := gfs.Open(uriChunks[1])
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if (err != nil) {
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serverErr(w,r,err)
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return
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}
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io.Copy(w,file) // send the contents of the file in the body
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} else {
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// TODO show a list of recent uploads? ...
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}
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LogRequest(r,200)
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}
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/*
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POST /f/[:name][?k=v&k=v]
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*/
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// Create the file by the name in the path and/or parameter?
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// add keywords from the parameters
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// look for an image in the r.Body
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func routeFilesPOST(w http.ResponseWriter, r *http.Request) {
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uriChunks := chunkURI(r.URL.Path)
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if (len(uriChunks) > 2 &&
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((len(uriChunks) == 2 && len(uriChunks[1]) == 0) &&
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len(r.URL.RawQuery) == 0 )) {
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LogRequest(r,403)
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http.Error(w, "Not Acceptable", 403)
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return
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}
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var filename string
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info := Info{
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Ip: r.RemoteAddr,
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Random: rand.Int63(),
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}
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if (len(uriChunks) == 2 && len(uriChunks[1]) != 0) {
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filename = uriChunks[1]
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}
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params := parseRawQuery(r.URL.RawQuery)
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var p_ext string
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for k,v := range params {
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switch {
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case (k == "filename"):
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filename = v
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case (k == "ext"):
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if (v[0] != '.') {
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p_ext = fmt.Sprintf(".%s", v)
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} else {
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p_ext = v
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}
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case (k == "k" || k == "key" || k == "keyword"):
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info.Keywords = append(info.Keywords[:], v)
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case (k == "keys" || k == "keywords"):
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for _, key := range strings.Split(v, ",") {
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info.Keywords = append(info.Keywords[:], key)
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}
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}
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}
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if (len(filename) == 0) {
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str := getSmallHash()
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if (len(p_ext) == 0) {
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filename = fmt.Sprintf("%s.jpg", str)
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} else {
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filename = fmt.Sprintf("%s%s", str, p_ext)
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}
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}
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exists, err := HasFileByFilename(filename)
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if (err == nil && !exists) {
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file, err := gfs.Create(filename)
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if (err != nil) {
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serverErr(w,r,err)
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return
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}
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n, err := io.Copy(file, r.Body)
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if (err != nil) {
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serverErr(w,r,err)
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return
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}
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if (n != r.ContentLength) {
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log.Printf("WARNING: [%s] content-length (%d), content written (%d)",
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filename,
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r.ContentLength,
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n)
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}
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file.Close()
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} else if (exists) {
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log.Printf("[%s] already exists", filename)
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} else {
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serverErr(w,r,err)
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return
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}
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io.WriteString(w,
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fmt.Sprintf("%s%s/f/%s\n", r.URL.Scheme, r.URL.Host, filename))
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LogRequest(r,200)
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}
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func routeFilesPUT(w http.ResponseWriter, r *http.Request) {
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// update the file by the name in the path and/or parameter?
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// update/add keywords from the parameters
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// look for an image in the r.Body
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LogRequest(r,200)
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}
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func routeFilesDELETE(w http.ResponseWriter, r *http.Request) {
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uriChunks := chunkURI(r.URL.Path)
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if ( len(uriChunks) > 2 ) {
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LogRequest(r,404)
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http.NotFound(w,r)
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return
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} else if (len(uriChunks) == 2 && len(uriChunks[1]) == 0) {
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}
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exists, err := HasFileByFilename(uriChunks[1])
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if (err != nil) {
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serverErr(w,r,err)
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return
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}
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if (exists) {
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err = gfs.Remove(uriChunks[1])
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if (err != nil) {
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serverErr(w,r,err)
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return
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}
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LogRequest(r,200)
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} else {
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LogRequest(r,404)
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http.NotFound(w,r)
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}
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// delete the name in the path and/or parameter?
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}
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func routeFiles(w http.ResponseWriter, r *http.Request) {
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switch {
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case r.Method == "GET":
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routeFilesGET(w,r)
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case r.Method == "PUT":
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routeFilesPUT(w,r)
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case r.Method == "POST":
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routeFilesPOST(w,r)
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case r.Method == "DELETE":
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routeFilesDELETE(w,r)
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default:
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LogRequest(r,404)
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http.NotFound(w,r)
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return
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}
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}
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func routeRoot(w http.ResponseWriter, r *http.Request) {
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if (r.Method != "GET") {
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LogRequest(r,404)
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http.NotFound(w,r)
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return
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}
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// Show a page of most recent images, and tags, and uploaders ...
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w.Header().Set("Content-Type", "text/html")
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//iter := gfs.Find(bson.M{"uploadDate": bson.M{"$gt": time.Now().Add(-time.Hour)}}).Limit(10).Iter()
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iter := gfs.Find(nil).Sort("-uploadDate").Limit(10).Iter()
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writeList(w, iter)
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LogRequest(r,200)
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}
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func routeAll(w http.ResponseWriter, r *http.Request) {
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if (r.Method != "GET") {
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LogRequest(r,404)
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http.NotFound(w,r)
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return
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}
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w.Header().Set("Content-Type", "text/html")
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// Show a page of all the images
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iter := gfs.Find(nil).Iter()
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writeList(w, iter)
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LogRequest(r,200)
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}
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/*
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GET /k/
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GET /k/:name
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GET /k/:name/r
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Show a page of all the keyword tags, and then the images
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If /k/:name/r then show a random image by keyword name
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Otherwise 404
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*/
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func routeKeywords(w http.ResponseWriter, r *http.Request) {
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uriChunks := chunkURI(r.URL.Path)
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if (r.Method != "GET" ||
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len(uriChunks) > 3 ||
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(len(uriChunks) == 3 && uriChunks[2] != "r")) {
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LogRequest(r,404)
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http.NotFound(w,r)
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return
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}
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log.Printf("K: %s (%d)", uriChunks, len(uriChunks))
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params := parseRawQuery(r.URL.RawQuery)
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log.Printf("K: params: %s", params)
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var iter *mgo.Iter
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if (len(uriChunks) == 1) {
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// show a sorted list of tag name links
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iter = gfs.Find(bson.M{"metadata": bson.M{"keywords": uriChunks[1] } }).Sort("$natural").Limit(100).Iter()
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} else if (len(uriChunks) == 2) {
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iter = gfs.Find(bson.M{"metadata": bson.M{"keywords": uriChunks[1] } }).Limit(10).Iter()
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} else if (uriChunks[2] == "r") {
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// TODO determine how to show a random image by keyword ...
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log.Println("random isn't built yet")
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LogRequest(r,404)
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return
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}
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writeList(w, iter)
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LogRequest(r,200)
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}
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func writeList(w http.ResponseWriter, iter *mgo.Iter) {
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var this_file File
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fmt.Fprintf(w, "<ul>\n")
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for iter.Next(&this_file) {
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log.Println(this_file.Filename)
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fmt.Fprintf(w, "<li>%s - %d</li>\n",
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linkToFile("", this_file.Filename),
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this_file.UploadDate.Year())
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}
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fmt.Fprintf(w, "</ul>\n")
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}
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|
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// Show a page of all the uploader's IPs, and the images
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func routeExt(w http.ResponseWriter, r *http.Request) {
|
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if (r.Method != "GET") {
|
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LogRequest(r,404)
|
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http.NotFound(w,r)
|
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return
|
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}
|
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|
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LogRequest(r,200)
|
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}
|
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|
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// Show a page of all the uploader's IPs, and the images
|
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func routeIPs(w http.ResponseWriter, r *http.Request) {
|
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if (r.Method != "GET") {
|
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LogRequest(r,404)
|
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http.NotFound(w,r)
|
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return
|
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}
|
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|
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LogRequest(r,200)
|
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}
|
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|
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func initMongo() {
|
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mongo_session, err := mgo.Dial(MongoHost)
|
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if err != nil {
|
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log.Panic(err)
|
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}
|
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images_db = mongo_session.DB(MongoDB)
|
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if (len(MongoUsername) > 0 && len(MongoPassword) > 0) {
|
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err = images_db.Login(MongoUsername, MongoPassword)
|
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if (err != nil) {
|
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log.Panic(err)
|
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}
|
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}
|
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gfs = images_db.GridFS("fs")
|
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}
|
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|
||||
/* Run as the image server */
|
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func runServer(ip, port string) {
|
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var addr = fmt.Sprintf("%s:%s", ip, port)
|
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|
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initMongo()
|
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defer mongo_session.Close()
|
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|
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http.HandleFunc("/", routeRoot)
|
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http.HandleFunc("/all", routeAll)
|
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http.HandleFunc("/f/", routeFiles)
|
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http.HandleFunc("/k/", routeKeywords)
|
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http.HandleFunc("/ip/", routeIPs)
|
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http.HandleFunc("/ext/", routeExt)
|
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//http.HandleFunc("/md5/", routeMD5s)
|
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|
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log.Printf("Serving on %s ...", addr)
|
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log.Fatal(http.ListenAndServe(addr, nil))
|
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}
|
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|
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/* http://golang.org/doc/effective_go.html#init */
|
||||
func init() {
|
||||
flag.StringVar(&ConfigFile,
|
||||
|
|
|
|||
|
|
@ -0,0 +1,413 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"io"
|
||||
"labix.org/v2/mgo"
|
||||
"labix.org/v2/mgo/bson"
|
||||
"log"
|
||||
"math/rand"
|
||||
"mime"
|
||||
"net/http"
|
||||
"path/filepath"
|
||||
"strings"
|
||||
"time"
|
||||
)
|
||||
|
||||
func serverErr(w http.ResponseWriter, r *http.Request, e error) {
|
||||
log.Printf("Error: %s", e)
|
||||
LogRequest(r,503)
|
||||
fmt.Fprintf(w,"Error: %s", e)
|
||||
http.Error(w, "Service Unavailable", 503)
|
||||
return
|
||||
}
|
||||
|
||||
/* return a <a href/> for a given filename
|
||||
and root is the relavtive base of the explicit link.
|
||||
*/
|
||||
func linkToFile(root string, filename string) (html string) {
|
||||
return fmt.Sprintf("<a href='%s/f/%s'>%s</a>",
|
||||
root,
|
||||
filename,
|
||||
filename)
|
||||
}
|
||||
|
||||
/* return the sections of the URI Path.
|
||||
This will disregard the leading '/'
|
||||
*/
|
||||
func chunkURI(uri string) (chunks []string) {
|
||||
var str string
|
||||
if (uri[0] == '/') {
|
||||
str = uri[1:]
|
||||
} else {
|
||||
str = uri
|
||||
}
|
||||
return strings.Split(str, "/")
|
||||
}
|
||||
|
||||
/* given an url.URL.RawQuery, get a dictionary in return */
|
||||
func parseRawQuery(qry string) (params map[string]string) {
|
||||
qryChunks := strings.Split(qry, "&")
|
||||
params = make(map[string]string, len(qryChunks))
|
||||
for _, chunk := range qryChunks {
|
||||
p := strings.SplitN(chunk, "=", 2)
|
||||
if (len(p) == 2) {
|
||||
params[p[0]] = p[1]
|
||||
}
|
||||
}
|
||||
return params
|
||||
}
|
||||
|
||||
/* kindof a common log type output */
|
||||
func LogRequest(r *http.Request, statusCode int) {
|
||||
var addr string
|
||||
var user_agent string
|
||||
|
||||
user_agent = ""
|
||||
addr = r.RemoteAddr
|
||||
|
||||
for k, v := range r.Header {
|
||||
if k == "User-Agent" {
|
||||
user_agent = strings.Join(v, " ")
|
||||
}
|
||||
if k == "X-Forwarded-For" {
|
||||
addr = strings.Join(v," ")
|
||||
}
|
||||
}
|
||||
|
||||
fmt.Printf("%s - - [%s] \"%s %s\" \"%s\" %d %d\n",
|
||||
addr,
|
||||
time.Now(),
|
||||
r.Method,
|
||||
r.URL.Path,
|
||||
user_agent,
|
||||
statusCode,
|
||||
r.ContentLength )
|
||||
}
|
||||
|
||||
/*
|
||||
GET /f/
|
||||
GET /f/:name
|
||||
*/
|
||||
// Show a page of most recent images, and tags, and uploaders ...
|
||||
func routeFilesGET(w http.ResponseWriter, r *http.Request) {
|
||||
uriChunks := chunkURI(r.URL.Path)
|
||||
if ( len(uriChunks) > 2 ) {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
}
|
||||
|
||||
if (len(uriChunks) == 2 && len(uriChunks[1]) > 0) {
|
||||
log.Printf("Searching for [%s] ...", uriChunks[1])
|
||||
query := gfs.Find(bson.M{"filename": uriChunks[1] })
|
||||
|
||||
c, err := query.Count()
|
||||
// preliminary checks, if they've passed an image name
|
||||
if (err != nil) {
|
||||
serverErr(w,r,err)
|
||||
return
|
||||
}
|
||||
log.Printf("Results for [%s] = %d", uriChunks[1], c)
|
||||
if (c == 0) {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
}
|
||||
|
||||
ext := filepath.Ext(uriChunks[1])
|
||||
w.Header().Set("Content-Type", mime.TypeByExtension(ext))
|
||||
w.Header().Set("Cache-Control", "max-age=315360000")
|
||||
w.WriteHeader(http.StatusOK)
|
||||
|
||||
file, err := gfs.Open(uriChunks[1])
|
||||
if (err != nil) {
|
||||
serverErr(w,r,err)
|
||||
return
|
||||
}
|
||||
|
||||
io.Copy(w,file) // send the contents of the file in the body
|
||||
|
||||
} else {
|
||||
// TODO show a list of recent uploads? ...
|
||||
}
|
||||
LogRequest(r,200)
|
||||
}
|
||||
|
||||
/*
|
||||
POST /f/[:name][?k=v&k=v]
|
||||
*/
|
||||
// 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 )) {
|
||||
LogRequest(r,403)
|
||||
http.Error(w, "Not Acceptable", 403)
|
||||
return
|
||||
}
|
||||
|
||||
var filename string
|
||||
info := Info{
|
||||
Ip: r.RemoteAddr,
|
||||
Random: rand.Int63(),
|
||||
}
|
||||
|
||||
if (len(uriChunks) == 2 && len(uriChunks[1]) != 0) {
|
||||
filename = uriChunks[1]
|
||||
}
|
||||
params := parseRawQuery(r.URL.RawQuery)
|
||||
var p_ext string
|
||||
for k,v := range params {
|
||||
switch {
|
||||
case (k == "filename"):
|
||||
filename = v
|
||||
case (k == "ext"):
|
||||
if (v[0] != '.') {
|
||||
p_ext = fmt.Sprintf(".%s", v)
|
||||
} else {
|
||||
p_ext = v
|
||||
}
|
||||
case (k == "k" || k == "key" || k == "keyword"):
|
||||
info.Keywords = append(info.Keywords[:], v)
|
||||
case (k == "keys" || k == "keywords"):
|
||||
for _, key := range strings.Split(v, ",") {
|
||||
info.Keywords = append(info.Keywords[:], key)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (len(filename) == 0) {
|
||||
str := GetSmallHash()
|
||||
if (len(p_ext) == 0) {
|
||||
filename = fmt.Sprintf("%s.jpg", str)
|
||||
} else {
|
||||
filename = fmt.Sprintf("%s%s", str, p_ext)
|
||||
}
|
||||
}
|
||||
|
||||
exists, err := HasFileByFilename(filename)
|
||||
if (err == nil && !exists) {
|
||||
file, err := gfs.Create(filename)
|
||||
if (err != nil) {
|
||||
serverErr(w,r,err)
|
||||
return
|
||||
}
|
||||
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)
|
||||
}
|
||||
file.Close()
|
||||
} else if (exists) {
|
||||
log.Printf("[%s] already exists", filename)
|
||||
} else {
|
||||
serverErr(w,r,err)
|
||||
return
|
||||
}
|
||||
|
||||
io.WriteString(w,
|
||||
fmt.Sprintf("%s%s/f/%s\n", r.URL.Scheme, r.URL.Host, filename))
|
||||
|
||||
LogRequest(r,200)
|
||||
}
|
||||
|
||||
func routeFilesPUT(w http.ResponseWriter, r *http.Request) {
|
||||
// update the file by the name in the path and/or parameter?
|
||||
// update/add keywords from the parameters
|
||||
// look for an image in the r.Body
|
||||
LogRequest(r,200)
|
||||
}
|
||||
|
||||
func routeFilesDELETE(w http.ResponseWriter, r *http.Request) {
|
||||
uriChunks := chunkURI(r.URL.Path)
|
||||
if ( len(uriChunks) > 2 ) {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
} else if (len(uriChunks) == 2 && len(uriChunks[1]) == 0) {
|
||||
}
|
||||
exists, err := HasFileByFilename(uriChunks[1])
|
||||
if (err != nil) {
|
||||
serverErr(w,r,err)
|
||||
return
|
||||
}
|
||||
if (exists) {
|
||||
err = gfs.Remove(uriChunks[1])
|
||||
if (err != nil) {
|
||||
serverErr(w,r,err)
|
||||
return
|
||||
}
|
||||
LogRequest(r,200)
|
||||
} else {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
}
|
||||
// delete the name in the path and/or parameter?
|
||||
}
|
||||
|
||||
func routeFiles(w http.ResponseWriter, r *http.Request) {
|
||||
switch {
|
||||
case r.Method == "GET":
|
||||
routeFilesGET(w,r)
|
||||
case r.Method == "PUT":
|
||||
routeFilesPUT(w,r)
|
||||
case r.Method == "POST":
|
||||
routeFilesPOST(w,r)
|
||||
case r.Method == "DELETE":
|
||||
routeFilesDELETE(w,r)
|
||||
default:
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
func routeRoot(w http.ResponseWriter, r *http.Request) {
|
||||
if (r.Method != "GET") {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
}
|
||||
// Show a page of most recent images, and tags, and uploaders ...
|
||||
|
||||
w.Header().Set("Content-Type", "text/html")
|
||||
//iter := gfs.Find(bson.M{"uploadDate": bson.M{"$gt": time.Now().Add(-time.Hour)}}).Limit(10).Iter()
|
||||
iter := gfs.Find(nil).Sort("-uploadDate").Limit(10).Iter()
|
||||
writeList(w, iter)
|
||||
LogRequest(r,200)
|
||||
}
|
||||
|
||||
func routeAll(w http.ResponseWriter, r *http.Request) {
|
||||
if (r.Method != "GET") {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
}
|
||||
|
||||
w.Header().Set("Content-Type", "text/html")
|
||||
|
||||
// Show a page of all the images
|
||||
iter := gfs.Find(nil).Iter()
|
||||
writeList(w, iter)
|
||||
LogRequest(r,200)
|
||||
}
|
||||
|
||||
/*
|
||||
GET /k/
|
||||
GET /k/:name
|
||||
GET /k/:name/r
|
||||
|
||||
Show a page of all the keyword tags, and then the images
|
||||
If /k/:name/r then show a random image by keyword name
|
||||
Otherwise 404
|
||||
*/
|
||||
func routeKeywords(w http.ResponseWriter, r *http.Request) {
|
||||
uriChunks := chunkURI(r.URL.Path)
|
||||
if (r.Method != "GET" ||
|
||||
len(uriChunks) > 3 ||
|
||||
(len(uriChunks) == 3 && uriChunks[2] != "r")) {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
}
|
||||
|
||||
log.Printf("K: %s (%d)", uriChunks, len(uriChunks))
|
||||
params := parseRawQuery(r.URL.RawQuery)
|
||||
log.Printf("K: params: %s", params)
|
||||
|
||||
var iter *mgo.Iter
|
||||
if (len(uriChunks) == 1) {
|
||||
// show a sorted list of tag name links
|
||||
iter = gfs.Find(bson.M{"metadata": bson.M{"keywords": uriChunks[1] } }).Sort("$natural").Limit(100).Iter()
|
||||
} else if (len(uriChunks) == 2) {
|
||||
iter = gfs.Find(bson.M{"metadata": bson.M{"keywords": uriChunks[1] } }).Limit(10).Iter()
|
||||
} else if (uriChunks[2] == "r") {
|
||||
// TODO determine how to show a random image by keyword ...
|
||||
log.Println("random isn't built yet")
|
||||
LogRequest(r,404)
|
||||
return
|
||||
}
|
||||
|
||||
writeList(w, iter)
|
||||
|
||||
LogRequest(r,200)
|
||||
}
|
||||
|
||||
func writeList(w http.ResponseWriter, iter *mgo.Iter) {
|
||||
var this_file File
|
||||
fmt.Fprintf(w, "<ul>\n")
|
||||
for iter.Next(&this_file) {
|
||||
log.Println(this_file.Filename)
|
||||
fmt.Fprintf(w, "<li>%s - %d</li>\n",
|
||||
linkToFile("", this_file.Filename),
|
||||
this_file.UploadDate.Year())
|
||||
}
|
||||
fmt.Fprintf(w, "</ul>\n")
|
||||
}
|
||||
|
||||
// Show a page of all the uploader's IPs, and the images
|
||||
func routeExt(w http.ResponseWriter, r *http.Request) {
|
||||
if (r.Method != "GET") {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
}
|
||||
|
||||
LogRequest(r,200)
|
||||
}
|
||||
|
||||
// Show a page of all the uploader's IPs, and the images
|
||||
func routeIPs(w http.ResponseWriter, r *http.Request) {
|
||||
if (r.Method != "GET") {
|
||||
LogRequest(r,404)
|
||||
http.NotFound(w,r)
|
||||
return
|
||||
}
|
||||
|
||||
LogRequest(r,200)
|
||||
}
|
||||
|
||||
func initMongo() {
|
||||
mongo_session, err := mgo.Dial(MongoHost)
|
||||
if err != nil {
|
||||
log.Panic(err)
|
||||
}
|
||||
images_db = mongo_session.DB(MongoDB)
|
||||
if (len(MongoUsername) > 0 && len(MongoPassword) > 0) {
|
||||
err = images_db.Login(MongoUsername, MongoPassword)
|
||||
if (err != nil) {
|
||||
log.Panic(err)
|
||||
}
|
||||
}
|
||||
gfs = images_db.GridFS("fs")
|
||||
}
|
||||
|
||||
/* Run as the image server */
|
||||
func runServer(ip, port string) {
|
||||
var addr = fmt.Sprintf("%s:%s", ip, port)
|
||||
|
||||
initMongo()
|
||||
defer mongo_session.Close()
|
||||
|
||||
http.HandleFunc("/", routeRoot)
|
||||
http.HandleFunc("/all", routeAll)
|
||||
http.HandleFunc("/f/", routeFiles)
|
||||
http.HandleFunc("/k/", routeKeywords)
|
||||
http.HandleFunc("/ip/", routeIPs)
|
||||
http.HandleFunc("/ext/", routeExt)
|
||||
//http.HandleFunc("/md5/", routeMD5s)
|
||||
|
||||
log.Printf("Serving on %s ...", addr)
|
||||
log.Fatal(http.ListenAndServe(addr, nil))
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue