bloat/service/transport.go
2019-12-27 08:09:40 +00:00

367 lines
10 KiB
Go

package service
import (
"context"
"fmt"
"mime/multipart"
"net/http"
"path"
"strconv"
"web/model"
"github.com/gorilla/mux"
)
var (
ctx = context.Background()
cookieAge = "31536000"
)
func NewHandler(s Service, staticDir string) http.Handler {
r := mux.NewRouter()
r.PathPrefix("/static").Handler(http.StripPrefix("/static",
http.FileServer(http.Dir(path.Join(".", staticDir)))))
r.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
location := "/signin"
sessionID, _ := req.Cookie("session_id")
if sessionID != nil && len(sessionID.Value) > 0 {
location = "/timeline/home"
}
w.Header().Add("Location", location)
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodGet)
r.HandleFunc("/signin", func(w http.ResponseWriter, req *http.Request) {
err := s.ServeSigninPage(ctx, w)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/signin", func(w http.ResponseWriter, req *http.Request) {
instance := req.FormValue("instance")
url, sessionId, err := s.GetAuthUrl(ctx, instance)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Set-Cookie", fmt.Sprintf("session_id=%s;max-age=%s", sessionId, cookieAge))
w.Header().Add("Location", url)
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodPost)
r.HandleFunc("/oauth_callback", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
token := req.URL.Query().Get("code")
_, err := s.GetUserToken(ctx, "", nil, token)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Location", "/timeline/home")
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodGet)
r.HandleFunc("/timeline", func(w http.ResponseWriter, req *http.Request) {
w.Header().Add("Location", "/timeline/home")
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodGet)
r.HandleFunc("/timeline/{type}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
timelineType, _ := mux.Vars(req)["type"]
maxID := req.URL.Query().Get("max_id")
sinceID := req.URL.Query().Get("since_id")
minID := req.URL.Query().Get("min_id")
err := s.ServeTimelinePage(ctx, w, nil, timelineType, maxID, sinceID, minID)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/thread/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
reply := req.URL.Query().Get("reply")
err := s.ServeThreadPage(ctx, w, nil, id, len(reply) > 1)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/likedby/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
err := s.ServeLikedByPage(ctx, w, nil, id)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/retweetedby/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
err := s.ServeRetweetedByPage(ctx, w, nil, id)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/like/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
err := s.Like(ctx, w, nil, id)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Location", req.Header.Get("Referer")+"#status-"+id)
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodGet)
r.HandleFunc("/unlike/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
err := s.UnLike(ctx, w, nil, id)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Location", req.Header.Get("Referer")+"#status-"+id)
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodGet)
r.HandleFunc("/retweet/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
err := s.Retweet(ctx, w, nil, id)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Location", req.Header.Get("Referer")+"#status-"+id)
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodGet)
r.HandleFunc("/unretweet/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
err := s.UnRetweet(ctx, w, nil, id)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Location", req.Header.Get("Referer")+"#status-"+id)
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodGet)
r.HandleFunc("/post", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
err := req.ParseMultipartForm(4 << 20)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
content := getMultipartFormValue(req.MultipartForm, "content")
replyToID := getMultipartFormValue(req.MultipartForm, "reply_to_id")
format := getMultipartFormValue(req.MultipartForm, "format")
visibility := getMultipartFormValue(req.MultipartForm, "visibility")
isNSFW := "on" == getMultipartFormValue(req.MultipartForm, "is_nsfw")
files := req.MultipartForm.File["attachments"]
id, err := s.PostTweet(ctx, w, nil, content, replyToID, format, visibility, isNSFW, files)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
location := "/timeline/home" + "#status-" + id
if len(replyToID) > 0 {
location = "/thread/" + replyToID + "#status-" + id
}
w.Header().Add("Location", location)
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodPost)
r.HandleFunc("/notifications", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
maxID := req.URL.Query().Get("max_id")
minID := req.URL.Query().Get("min_id")
err := s.ServeNotificationPage(ctx, w, nil, maxID, minID)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/user/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
maxID := req.URL.Query().Get("max_id")
minID := req.URL.Query().Get("min_id")
err := s.ServeUserPage(ctx, w, nil, id, maxID, minID)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/follow/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
err := s.Follow(ctx, w, nil, id)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Location", req.Header.Get("Referer"))
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodPost)
r.HandleFunc("/unfollow/{id}", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
id, _ := mux.Vars(req)["id"]
err := s.UnFollow(ctx, w, nil, id)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Location", req.Header.Get("Referer"))
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodPost)
r.HandleFunc("/about", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
err := s.ServeAboutPage(ctx, w, nil)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/emojis", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
err := s.ServeEmojiPage(ctx, w, nil)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/search", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
q := req.URL.Query().Get("q")
qType := req.URL.Query().Get("type")
offsetStr := req.URL.Query().Get("offset")
var offset int
var err error
if len(offsetStr) > 1 {
offset, err = strconv.Atoi(offsetStr)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}
err = s.ServeSearchPage(ctx, w, nil, q, qType, offset)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/settings", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
err := s.ServeSettingsPage(ctx, w, nil)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
}).Methods(http.MethodGet)
r.HandleFunc("/settings", func(w http.ResponseWriter, req *http.Request) {
ctx := getContextWithSession(context.Background(), req)
visibility := req.FormValue("visibility")
copyScope := req.FormValue("copy_scope") == "true"
settings := &model.Settings{
DefaultVisibility: visibility,
CopyScope: copyScope,
}
err := s.SaveSettings(ctx, w, nil, settings)
if err != nil {
s.ServeErrorPage(ctx, w, err)
return
}
w.Header().Add("Location", req.Header.Get("Referer"))
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodPost)
r.HandleFunc("/signout", func(w http.ResponseWriter, req *http.Request) {
// TODO remove session from database
w.Header().Add("Set-Cookie", fmt.Sprintf("session_id=;max-age=0"))
w.Header().Add("Location", "/")
w.WriteHeader(http.StatusFound)
}).Methods(http.MethodGet)
return r
}
func getContextWithSession(ctx context.Context, req *http.Request) context.Context {
sessionID, err := req.Cookie("session_id")
if err != nil {
return ctx
}
return context.WithValue(ctx, "session_id", sessionID.Value)
}
func getMultipartFormValue(mf *multipart.Form, key string) (val string) {
vals, ok := mf.Value[key]
if !ok {
return ""
}
if len(vals) < 1 {
return ""
}
return vals[0]
}