added handlers and context

This commit is contained in:
Chapuis Bertil 2015-09-18 17:13:38 +02:00
parent 04e8c1e148
commit 2fb76f3f8d
4 changed files with 197 additions and 130 deletions

142
handler.go Normal file
View file

@ -0,0 +1,142 @@
package main
import (
"encoding/json"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"strings"
"time"
)
type Context struct {
path string
}
func CheckConfig(c *Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
config := filepath.Join(c.path, "config")
if _, err := os.Stat(config); err != nil {
http.Error(w, "404 not found", 404)
return
}
}
}
func GetConfig(c *Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
config := filepath.Join(c.path, "config")
bytes, err := ioutil.ReadFile(config)
if err != nil {
http.Error(w, "404 not found", 404)
return
}
w.Write(bytes)
}
}
func SaveConfig(c *Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
config := filepath.Join(c.path, "config")
bytes, err := ioutil.ReadAll(r.Body)
if err != nil {
http.Error(w, "400 bad request", 400)
return
}
errw := ioutil.WriteFile(config, bytes, 0600)
if errw != nil {
http.Error(w, "500 internal server error", 500)
return
}
w.Write([]byte("200 ok"))
}
}
func ListBlobs(c *Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
path := filepath.Join(c.path, dir)
files, err := ioutil.ReadDir(path)
if err != nil {
http.Error(w, "404 not found", 404)
return
}
names := make([]string, len(files))
for i, f := range files {
names[i] = f.Name()
}
data, err := json.Marshal(names)
if err != nil {
http.Error(w, "500 internal server error", 500)
return
}
w.Write(data)
}
}
func CheckBlob(c *Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
name := vars[2]
path := filepath.Join(c.path, dir, name)
_, err := os.Stat(path)
if err != nil {
http.Error(w, "404 not found", 404)
return
}
}
}
func GetBlob(c *Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
name := vars[2]
path := filepath.Join(c.path, dir, name)
file, err := os.Open(path)
if err != nil {
http.Error(w, "404 not found", 404)
return
}
defer file.Close()
http.ServeContent(w, r, "", time.Unix(0, 0), file)
}
}
func SaveBlob(c *Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
name := vars[2]
path := filepath.Join(c.path, dir, name)
bytes, err := ioutil.ReadAll(r.Body)
if err != nil {
http.Error(w, "400 bad request", 400)
return
}
errw := ioutil.WriteFile(path, bytes, 0600)
if errw != nil {
http.Error(w, "500 internal server error", 500)
return
}
w.Write([]byte("200 ok"))
}
}
func DeleteBlob(c *Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
name := vars[2]
path := filepath.Join(c.path, dir, name)
err := os.Remove(path)
if err != nil {
http.Error(w, "500 internal server error", 500)
return
}
w.Write([]byte("200 ok"))
}
}

View file

@ -19,39 +19,71 @@ func NewRouter() *Router {
return &Router{make(map[string][]Route)} return &Router{make(map[string][]Route)}
} }
func (router *Router) Options(path string, handler http.HandlerFunc) { func (router *Router) Options(path string, handler http.Handler) {
router.Handle("OPTIONS", path, handler) router.Handle("OPTIONS", path, handler)
} }
func (router *Router) Get(path string, handler http.HandlerFunc) { func (router *Router) OptionsFunc(path string, handler http.HandlerFunc) {
router.Handle("OPTIONS", path, handler)
}
func (router *Router) Get(path string, handler http.Handler) {
router.Handle("GET", path, handler) router.Handle("GET", path, handler)
} }
func (router *Router) Head(path string, handler http.HandlerFunc) { func (router *Router) GetFunc(path string, handler http.HandlerFunc) {
router.Handle("GET", path, handler)
}
func (router *Router) Head(path string, handler http.Handler) {
router.Handle("HEAD", path, handler) router.Handle("HEAD", path, handler)
} }
func (router *Router) Post(path string, handler http.HandlerFunc) { func (router *Router) HeadFunc(path string, handler http.HandlerFunc) {
router.Handle("HEAD", path, handler)
}
func (router *Router) Post(path string, handler http.Handler) {
router.Handle("POST", path, handler) router.Handle("POST", path, handler)
} }
func (router *Router) Put(path string, handler http.HandlerFunc) { func (router *Router) PostFunc(path string, handler http.HandlerFunc) {
router.Handle("POST", path, handler)
}
func (router *Router) Put(path string, handler http.Handler) {
router.Handle("PUT", path, handler) router.Handle("PUT", path, handler)
} }
func (router *Router) Delete(path string, handler http.HandlerFunc) { func (router *Router) PutFunc(path string, handler http.HandlerFunc) {
router.Handle("PUT", path, handler)
}
func (router *Router) Delete(path string, handler http.Handler) {
router.Handle("DELETE", path, handler) router.Handle("DELETE", path, handler)
} }
func (router *Router) Trace(path string, handler http.HandlerFunc) { func (router *Router) DeleteFunc(path string, handler http.HandlerFunc) {
router.Handle("DELETE", path, handler)
}
func (router *Router) Trace(path string, handler http.Handler) {
router.Handle("TRACE", path, handler) router.Handle("TRACE", path, handler)
} }
func (router *Router) Connect(path string, handler http.HandlerFunc) { func (router *Router) TraceFunc(path string, handler http.HandlerFunc) {
router.Handle("TRACE", path, handler)
}
func (router *Router) Connect(path string, handler http.Handler) {
router.Handle("Connect", path, handler) router.Handle("Connect", path, handler)
} }
func (router *Router) Handle(method string, uri string, handler http.HandlerFunc) { func (router *Router) ConnectFunc(path string, handler http.HandlerFunc) {
router.Handle("Connect", path, handler)
}
func (router *Router) Handle(method string, uri string, handler http.Handler) {
routes := router.routes[method] routes := router.routes[method]
path := strings.Split(uri, "/") path := strings.Split(uri, "/")
routes = append(routes, Route{path, handler}) routes = append(routes, Route{path, handler})

View file

@ -14,22 +14,22 @@ func TestRouter(t *testing.T) {
router := NewRouter() router := NewRouter()
getConfig := []byte("GET /config") getConfig := []byte("GET /config")
router.Get("/config", func(w http.ResponseWriter, r *http.Request) { router.GetFunc("/config", func(w http.ResponseWriter, r *http.Request) {
w.Write(getConfig) w.Write(getConfig)
}) })
postConfig := []byte("POST /config") postConfig := []byte("POST /config")
router.Post("/config", func(w http.ResponseWriter, r *http.Request) { router.PostFunc("/config", func(w http.ResponseWriter, r *http.Request) {
w.Write(postConfig) w.Write(postConfig)
}) })
getBlobs := []byte("GET /blobs/") getBlobs := []byte("GET /blobs/")
router.Get("/blobs/", func(w http.ResponseWriter, r *http.Request) { router.GetFunc("/blobs/", func(w http.ResponseWriter, r *http.Request) {
w.Write(getBlobs) w.Write(getBlobs)
}) })
getBlob := []byte("GET /blobs/:sha") getBlob := []byte("GET /blobs/:sha")
router.Get("/blobs/:sha", func(w http.ResponseWriter, r *http.Request) { router.GetFunc("/blobs/:sha", func(w http.ResponseWriter, r *http.Request) {
w.Write(getBlob) w.Write(getBlob)
}) })

127
server.go
View file

@ -1,15 +1,11 @@
package main package main
import ( import (
"encoding/json"
"flag" "flag"
"io/ioutil"
"log" "log"
"net/http" "net/http"
"os" "os"
"path/filepath" "path/filepath"
"strings"
"time"
"github.com/restic/restic/backend" "github.com/restic/restic/backend"
) )
@ -37,120 +33,17 @@ func main() {
os.MkdirAll(filepath.Join(*path, d), backend.Modes.Dir) os.MkdirAll(filepath.Join(*path, d), backend.Modes.Dir)
} }
context := &Context{*path}
router := NewRouter() router := NewRouter()
router.HeadFunc("/config", CheckConfig(context))
router.Head("/config", func(w http.ResponseWriter, r *http.Request) { router.GetFunc("/config", GetConfig(context))
config := filepath.Join(*path, "config") router.PostFunc("/config", SaveConfig(context))
if _, err := os.Stat(config); err != nil { router.GetFunc("/:dir/", ListBlobs(context))
http.Error(w, "404 not found", 404) router.HeadFunc("/:dir/:name", CheckBlob(context))
return router.GetFunc("/:type/:name", GetBlob(context))
} router.PostFunc("/:type/:name", SaveBlob(context))
w.Write([]byte("200 ok")) router.DeleteFunc("/:type/:name", DeleteBlob(context))
})
router.Get("/config", func(w http.ResponseWriter, r *http.Request) {
config := filepath.Join(*path, "config")
bytes, err := ioutil.ReadFile(config)
if err != nil {
http.Error(w, "404 not found", 404)
return
}
w.Write(bytes)
})
router.Post("/config", func(w http.ResponseWriter, r *http.Request) {
config := filepath.Join(*path, "config")
bytes, err := ioutil.ReadAll(r.Body)
if err != nil {
http.Error(w, "400 bad request", 400)
return
}
errw := ioutil.WriteFile(config, bytes, 0600)
if errw != nil {
http.Error(w, "500 internal server error", 500)
return
}
w.Write([]byte("200 ok"))
})
router.Get("/:dir/", func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
path := filepath.Join(*path, dir)
files, err := ioutil.ReadDir(path)
if err != nil {
http.Error(w, "404 not found", 404)
return
}
names := make([]string, len(files))
for i, f := range files {
names[i] = f.Name()
}
data, err := json.Marshal(names)
if err != nil {
http.Error(w, "500 internal server error", 500)
return
}
w.Write(data)
})
router.Head("/:dir/:name", func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
name := vars[2]
path := filepath.Join(*path, dir, name)
_, err := os.Stat(path)
if err != nil {
http.Error(w, "404 not found", 404)
return
}
w.Write([]byte("200 ok"))
})
router.Get("/:type/:name", func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
name := vars[2]
path := filepath.Join(*path, dir, name)
file, err := os.Open(path)
if err != nil {
http.Error(w, "404 not found", 404)
return
}
defer file.Close()
http.ServeContent(w, r, "", time.Unix(0, 0), file)
})
router.Post("/:type/:name", func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
name := vars[2]
path := filepath.Join(*path, dir, name)
bytes, err := ioutil.ReadAll(r.Body)
if err != nil {
http.Error(w, "400 bad request", 400)
return
}
errw := ioutil.WriteFile(path, bytes, 0600)
if errw != nil {
http.Error(w, "500 internal server error", 500)
return
}
w.Write([]byte("200 ok"))
})
router.Delete("/:type/:name", func(w http.ResponseWriter, r *http.Request) {
vars := strings.Split(r.RequestURI, "/")
dir := vars[1]
name := vars[2]
path := filepath.Join(*path, dir, name)
err := os.Remove(path)
if err != nil {
http.Error(w, "500 internal server error", 500)
return
}
w.Write([]byte("200 ok"))
})
// start the server // start the server
if !*tls { if !*tls {