59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
package vain
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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)
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// NewServer populates a server, adds the routes, and returns it for use.
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func NewServer(sm *http.ServeMux, store Storage) *Server {
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s := &Server{
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storage: store,
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}
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sm.Handle("/", s)
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return s
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}
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// Server serves up the http.
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type Server struct {
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storage Storage
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}
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func (s *Server) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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switch req.Method {
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case "GET":
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fmt.Fprintf(w, "<!DOCTYPE html>\n<html><head>\n")
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for _, p := range s.storage.All() {
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fmt.Fprintf(w, "%s\n", p)
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}
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fmt.Fprintf(w, "</head>\n</html>\n")
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case "POST":
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if req.URL.Path == "/" {
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http.Error(w, fmt.Sprintf("invalid path %q", req.URL.Path), http.StatusBadRequest)
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return
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}
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p := Package{}
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if err := json.NewDecoder(req.Body).Decode(&p); err != nil {
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http.Error(w, fmt.Sprintf("unable to parse json from body: %v", err), http.StatusBadRequest)
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return
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}
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if p.Repo == "" {
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http.Error(w, fmt.Sprintf("invalid repository %q", req.URL.Path), http.StatusBadRequest)
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return
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}
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p.path = fmt.Sprintf("%s/%s", req.Host, strings.Trim(req.URL.Path, "/"))
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if !Valid(p.path, s.storage.All()) {
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http.Error(w, fmt.Sprintf("invalid path; prefix already taken %q", req.URL.Path), http.StatusConflict)
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return
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}
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if err := s.storage.Add(p); err != nil {
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http.Error(w, fmt.Sprintf("unable to add package: %v", err), http.StatusInternalServerError)
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return
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}
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default:
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http.Error(w, fmt.Sprintf("unsupported method %q; accepted: POST, GET", req.Method), http.StatusMethodNotAllowed)
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}
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}
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