/
app.go
172 lines (146 loc) · 3.83 KB
/
app.go
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package main
import (
"encoding/json"
"io"
"log"
"net/http"
"regexp"
"sort"
"strings"
"sync"
"github.com/bluele/gcache"
"github.com/boltdb/bolt"
"github.com/davidmz/FreefeedDirectBot/frf"
tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api"
)
type App struct {
db *bolt.DB
apiHost string
userAgent string
outbox chan tgbotapi.Chattable
rts map[TgUserID]*Realtime
rtLk sync.Mutex
cache gcache.Cache
}
func (a *App) SendText(chatID TgUserID, text string) { a.outbox <- tgbotapi.NewMessage(chatID, text) }
func (a *App) testToken(token string) (*frf.User, error) {
user := &frf.User{AccessToken: strings.TrimSpace(token)}
v := new(frf.DirectChannelResponse)
err := a.SendRequest(user, "GET", "/v2/timelines/filter/directs?offset=0", nil, v)
if err != nil {
return nil, err
}
user.DirectFeed = v.Timelines.ID
for _, u := range v.Users {
if u.ID == v.Timelines.UserID {
user.Name = u.Name
break
}
}
if user.Name == "" {
for _, u := range v.Users2 {
if u.ID == v.Timelines.UserID {
user.Name = u.Name
break
}
}
}
return user, nil
}
func (a *App) sendDirect(user *frf.User, addressees []string, text string) (string, error) {
postBody := &frf.NewPostRequest{}
postBody.Meta.Feeds = addressees
postBody.Post.Body = text
v := &frf.PostResponse{}
if err := a.SendRequest(user, "POST", "/v1/posts", postBody, v); err != nil {
return "", err
}
return v.Posts.ID, nil
}
var toRe = regexp.MustCompile(`^\s*([a-zA-Z0-9]{3,25})\s+(.+?)\s*$`)
type contactTask struct {
Url string
Err error
List []string
}
func (a *App) getContacts(user *frf.User) ([]string, error) {
v := &frf.WhoAmIResponse{}
err := a.SendRequest(user, "GET", "/v2/users/whoami", nil, v)
if err != nil {
return nil, err
}
names := []string{}
userIDs := map[string]string{} // ID -> username
for _, s := range v.User.Subscribers {
userIDs[s.ID] = s.UserName
}
for _, s := range v.Subscriptions {
if s.Name == "Posts" && userIDs[s.UserID] != "" {
names = append(names, userIDs[s.UserID])
delete(userIDs, s.UserID) // возможные дубликаты
}
}
sort.Strings(names)
return names, nil
}
func (a *App) getAllPosts(user *frf.User) ([]*frf.Post, error) {
v := &frf.DirectChannelResponse{}
err := a.SendRequest(user, "GET", "/v2/timelines/filter/directs?offset=0", nil, v)
if err != nil {
return nil, err
}
return v.AllPosts(), nil
}
func (a *App) getPost(user *frf.User, shortCode string) (*frf.Post, error) {
posts, err := a.getAllPosts(user)
if err != nil {
return nil, err
}
for _, p := range posts {
if strings.HasPrefix(p.ID, shortCode) {
return p, nil
}
}
return nil, ErrNotFound
}
func (a *App) getPostByID(user *frf.User, postID string) (*frf.Post, error) {
v := &frf.OnePostResponse{}
err := a.SendRequest(user, "GET", "/v2/posts/"+postID, nil, v)
if err != nil {
return nil, err
}
return v.GetPost(), nil
}
type requestSigner interface {
Sign(*http.Request) *http.Request
}
func (a *App) SendRequest(u requestSigner, method string, uri string, reqObj interface{}, respObj interface{}) error {
url := "https://" + a.apiHost + uri
var req *http.Request
if reqObj == nil {
req, _ = http.NewRequest(method, url, nil)
} else {
r, w := io.Pipe()
go func() { json.NewEncoder(w).Encode(reqObj); w.Close() }()
req, _ = http.NewRequest(method, url, r)
req.Header.Add("Content-Type", "application/json; charset=utf-8")
}
if a.userAgent != "" {
req.Header.Set("User-Agent", a.userAgent)
}
u.Sign(req)
resp, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
err := frf.ReadErrorResponse(resp)
log.Println("Error:", err, "while send", method, "request to", url)
return err
}
if respObj != nil {
return json.NewDecoder(resp.Body).Decode(respObj)
}
return nil
}