/
router.go
529 lines (463 loc) · 13.1 KB
/
router.go
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package server
import (
"bytes"
_ "embed"
"errors"
"fmt"
"github.com/flowline-io/flowbot/internal/bots"
"github.com/flowline-io/flowbot/internal/page"
"github.com/flowline-io/flowbot/internal/page/form"
"github.com/flowline-io/flowbot/internal/page/library"
"github.com/flowline-io/flowbot/internal/page/uikit"
"github.com/flowline-io/flowbot/internal/platforms/slack"
"github.com/flowline-io/flowbot/internal/platforms/tailchat"
formRule "github.com/flowline-io/flowbot/internal/ruleset/form"
pageRule "github.com/flowline-io/flowbot/internal/ruleset/page"
"github.com/flowline-io/flowbot/internal/store"
"github.com/flowline-io/flowbot/internal/store/model"
"github.com/flowline-io/flowbot/internal/types"
"github.com/flowline-io/flowbot/internal/types/protocol"
"github.com/flowline-io/flowbot/pkg/config"
"github.com/flowline-io/flowbot/pkg/flog"
"github.com/flowline-io/flowbot/pkg/route"
"github.com/flowline-io/flowbot/pkg/stats"
"github.com/flowline-io/flowbot/pkg/utils"
"github.com/flowline-io/flowbot/version"
"github.com/go-echarts/go-echarts/v2/charts"
"github.com/go-echarts/go-echarts/v2/opts"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/middleware/adaptor"
"github.com/gorilla/mux"
"github.com/gorilla/websocket"
json "github.com/json-iterator/go"
"github.com/maxence-charriere/go-app/v9/pkg/app"
"gorm.io/gorm"
"io"
"net/http"
"strconv"
)
func setupMux(app *fiber.App) {
// Webservice
for _, bot := range bots.List() {
bot.Webservice(app)
}
newRouter(app)
app.Group("/app", adaptor.HTTPHandler(newWebappRouter()))
app.Group("/u", adaptor.HTTPHandler(newUrlRouter()))
app.Group("/d", adaptor.HTTPHandler(newDownloadRouter()))
app.All("/chatbot/:platform", platformCallback)
}
func newRouter(app *fiber.App) *mux.Router {
r := mux.NewRouter()
s := r.PathPrefix("/").Subrouter()
// root
s.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
_, _ = w.Write([]byte(fmt.Sprintf("flowbot %s(%s)", version.CurrentVersion, version.Buildstamp)))
})
// common
app.All("/oauth/:provider/:flag", storeOAuth)
app.Get("/page/:id", getPage)
app.Post("/form", adaptor.HTTPHandlerFunc(postForm))
app.Get("/p/:id/:flag", renderPage)
// bot
app.Get("/flowkit", adaptor.HTTPHandlerFunc(flowkitData))
app.All("/session", adaptor.HTTPHandlerFunc(wbSession))
return s
}
func newWebappRouter() *mux.Router {
r := mux.NewRouter()
s := r.PathPrefix("/app").Subrouter()
for name, bot := range bots.List() {
if f := bot.Webapp(); f != nil {
s.HandleFunc(fmt.Sprintf("/%s/{subpath:.*}", name), f)
}
}
return s
}
func newUrlRouter() *mux.Router {
r := mux.NewRouter()
s := r.PathPrefix("/u").Subrouter()
s.HandleFunc("/{flag}", urlRedirect)
return s
}
func newDownloadRouter() *mux.Router {
dir := config.App.Flowbot.DownloadPath
r := mux.NewRouter()
r.PathPrefix("/d").Handler(http.StripPrefix("/d/", http.FileServer(http.Dir(dir))))
return r
}
// handler
func storeOAuth(ctx *fiber.Ctx) error {
name := ctx.Params("provider")
flag := ctx.Params("flag")
p, err := store.Database.ParameterGet(flag)
if err != nil {
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrFlagError, err))
}
if p.IsExpired() {
return ctx.JSON(protocol.NewFailedResponse(protocol.ErrFlagExpired))
}
uid, _ := types.KV(p.Params).String("uid")
topic, _ := types.KV(p.Params).String("topic")
if uid == "" || topic == "" {
return ctx.JSON(protocol.NewFailedResponse(protocol.ErrBadParam))
}
// code -> token
provider := newProvider(name)
tk, err := provider.GetAccessToken(ctx)
if err != nil {
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrOAuthError, err))
}
// store
extra := types.KV{}
_ = extra.Scan(tk["extra"])
err = store.Database.OAuthSet(model.OAuth{
UID: uid,
Topic: topic,
Name: name,
Type: name,
Token: tk["token"].(string),
Extra: model.JSON(extra),
})
if err != nil {
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrOAuthError, err))
}
return ctx.SendString("ok")
}
func getPage(ctx *fiber.Ctx) error {
id := ctx.Params("id")
p, err := store.Database.PageGet(id)
if err != nil {
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrNotFound, err))
}
title, _ := types.KV(p.Schema).String("title")
if title == "" {
title = "Page"
}
ctx.Set("Content-Type", "text/html")
var comp app.UI
switch p.Type {
case model.PageForm:
f, _ := store.Database.FormGet(p.PageID)
comp = page.RenderForm(p, f)
case model.PageTable:
comp = page.RenderTable(p)
case model.PageShare:
comp = page.RenderShare(p)
case model.PageJson:
comp = page.RenderJson(p)
case model.PageHtml:
comp = page.RenderHtml(p)
case model.PageMarkdown:
comp = page.RenderMarkdown(p)
case model.PageChart:
d, err := json.Marshal(p.Schema)
if err != nil {
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrBadRequest, err))
}
var msg types.ChartMsg
err = json.Unmarshal(d, &msg)
if err != nil {
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrBadRequest, err))
}
line := charts.NewLine()
line.SetGlobalOptions(charts.WithTitleOpts(opts.Title{
Title: msg.Title,
Subtitle: msg.SubTitle,
}), charts.WithInitializationOpts(opts.Initialization{PageTitle: "Chart"}))
var lineData []opts.LineData
for _, i := range msg.Series {
lineData = append(lineData, opts.LineData{Value: i})
}
line.SetXAxis(msg.XAxis).AddSeries("Chart", lineData)
buf := bytes.NewBuffer(nil)
_ = line.Render(buf)
return ctx.Send(buf.Bytes())
default:
return ctx.JSON(protocol.NewFailedResponse(protocol.ErrBadRequest))
}
return ctx.SendString(fmt.Sprintf(page.Layout, title,
library.UIKitCss, library.UIKitJs, library.UIKitIconJs,
"", app.HTMLString(uikit.Container(comp)), ""))
}
func renderPage(ctx *fiber.Ctx) error {
pageRuleId := ctx.Params("id")
flag := ctx.Params("flag")
p, err := store.Database.ParameterGet(flag)
if err != nil {
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrFlagError, err))
}
if p.IsExpired() {
return ctx.JSON(protocol.NewFailedResponse(protocol.ErrFlagExpired))
}
kv := types.KV(p.Params)
original, _ := kv.String("original")
topic, _ := kv.String("topic")
uid, _ := kv.String("uid")
typesCtx := types.Context{
Original: original,
RcptTo: topic,
AsUser: types.Uid(uid),
PageRuleId: pageRuleId,
}
var botHandler bots.Handler
for _, handler := range bots.List() {
for _, item := range handler.Rules() {
switch v := item.(type) {
case []pageRule.Rule:
for _, rule := range v {
if rule.Id == pageRuleId {
botHandler = handler
}
}
}
}
}
if botHandler == nil {
return ctx.JSON(protocol.NewFailedResponse(protocol.ErrNotFound))
}
html, err := botHandler.Page(typesCtx, flag)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrNotFound, err))
}
return ctx.JSON(protocol.NewFailedResponseWithError(protocol.ErrBadRequest, err))
}
ctx.Set("Content-Type", "text/html")
return ctx.SendString(html)
}
func postForm(rw http.ResponseWriter, req *http.Request) {
_ = req.ParseForm()
pf := req.PostForm
formId := pf.Get("x-form_id")
uid := pf.Get("x-uid")
//uid2 := pf.Get("x-topic")
//userUid := types.ParseUserId(uid)
//topicUid := types.ParseUserId(uid2)
topic := "" // fixme
formData, err := store.Database.FormGet(formId)
if err != nil {
return
}
if formData.State == model.FormStateSubmitSuccess || formData.State == model.FormStateSubmitFailed {
return
}
values := make(map[string]interface{})
d, err := json.Marshal(formData.Schema)
if err != nil {
return
}
var formMsg types.FormMsg
err = json.Unmarshal(d, &formMsg)
if err != nil {
return
}
for _, field := range formMsg.Field {
switch field.Type {
case types.FormFieldCheckbox:
value := pf[field.Key]
switch field.ValueType {
case types.FormFieldValueStringSlice:
values[field.Key] = value
case types.FormFieldValueInt64Slice:
var tmp []int64
for _, s := range value {
i, _ := strconv.ParseInt(s, 10, 64)
tmp = append(tmp, i)
}
values[field.Key] = tmp
case types.FormFieldValueFloat64Slice:
var tmp []float64
for _, s := range value {
i, _ := strconv.ParseFloat(s, 64)
tmp = append(tmp, i)
}
values[field.Key] = tmp
}
default:
value := pf.Get(field.Key)
switch field.ValueType {
case types.FormFieldValueString:
values[field.Key] = value
case types.FormFieldValueBool:
if value == "true" {
values[field.Key] = true
}
if value == "false" {
values[field.Key] = false
}
case types.FormFieldValueInt64:
values[field.Key], _ = strconv.ParseInt(value, 10, 64)
case types.FormFieldValueFloat64:
values[field.Key], _ = strconv.ParseFloat(value, 64)
}
}
}
formBuilder := form.NewBuilder(formMsg.Field)
formBuilder.Data = values
err = formBuilder.Validate()
if err != nil {
_, _ = rw.Write([]byte(err.Error()))
return
}
ctx := types.Context{
//Original: topicUid.UserId(),
RcptTo: topic,
AsUser: types.Uid(uid),
FormId: formData.FormID,
FormRuleId: formMsg.ID,
}
// user auth record
// get bot handler
formRuleId, ok := types.KV(formData.Schema).String("id")
if !ok {
flog.Error(fmt.Errorf("form %s %s", formId, "error form rule id"))
return
}
var botHandler bots.Handler
for _, handler := range bots.List() {
for _, item := range handler.Rules() {
switch v := item.(type) {
case []formRule.Rule:
for _, rule := range v {
if rule.Id == formRuleId {
botHandler = handler
}
}
}
}
}
if botHandler != nil {
if !botHandler.IsReady() {
flog.Info("bot %s unavailable", topic)
return
}
// form message
payload, err := botHandler.Form(ctx, values)
if err != nil {
flog.Warn("topic[%s]: failed to form bot: %v", topic, err)
return
}
// stats
stats.Inc("BotRunFormTotal", 1)
// send message
if payload == nil {
return
}
topicUid := types.Uid("") // fixme
//botSend(topic, topicUid, payload)
// pipeline form stage
pipelineFlag, _ := types.KV(formData.Extra).String("pipeline_flag")
pipelineVersion, _ := types.KV(formData.Extra).Int64("pipeline_version")
nextPipeline(ctx, pipelineFlag, int(pipelineVersion), topic, topicUid)
}
_, _ = rw.Write([]byte("ok"))
}
func flowkitData(rw http.ResponseWriter, req *http.Request) {
rw.Header().Set("Access-Control-Allow-Origin", "*")
rw.Header().Set("Access-Control-Allow-Headers", "*")
if req.Method == http.MethodOptions {
return
}
// authorization
uid, isValid := route.CheckAccessToken(route.GetAccessToken(req))
if !isValid {
errorResponse(rw, "401")
return
}
body, err := io.ReadAll(req.Body)
if err != nil {
errorResponse(rw, "error")
return
}
var data types.FlowkitData
err = json.Unmarshal(body, &data)
if err != nil {
errorResponse(rw, "error")
return
}
result, err := flowkitAction(uid, data)
if err != nil {
errorResponse(rw, "error")
return
}
fmt.Println(result)
//res, _ := json.Marshal(types.ServerComMessage{
// Code: http.StatusOK,
// Data: result,
//})
//rw.Header().Set("Content-Type", "application/json")
//_, _ = rw.Write(res)
}
func urlRedirect(rw http.ResponseWriter, req *http.Request) {
vars := mux.Vars(req)
flag, ok := vars["flag"]
if !ok {
errorResponse(rw, "error")
return
}
url, err := store.Database.UrlGetByFlag(flag)
if err != nil {
errorResponse(rw, "error")
return
}
// view count
_ = store.Database.UrlViewIncrease(flag)
// redirect
http.Redirect(rw, req, url.URL, http.StatusFound)
}
func wbSession(wrt http.ResponseWriter, req *http.Request) {
uid, isValid := route.CheckAccessToken(route.GetAccessToken(req))
if !isValid {
wrt.WriteHeader(http.StatusForbidden)
_ = json.NewEncoder(wrt).Encode(protocol.NewFailedResponse(protocol.ErrTokenError))
return
}
if req.Method != http.MethodGet {
wrt.WriteHeader(http.StatusMethodNotAllowed)
_ = json.NewEncoder(wrt).Encode(protocol.NewFailedResponse(protocol.ErrMethodNotAllowed))
return
}
ws, err := upgrader.Upgrade(wrt, req, nil)
if errors.As(err, &websocket.HandshakeError{}) {
flog.Error(err)
return
} else if err != nil {
flog.Error(err)
return
}
sess, count := sessionStore.NewSession(ws, "")
if globals.useXForwardedFor {
sess.remoteAddr = req.Header.Get("X-Forwarded-For")
if !utils.IsRoutableIP(sess.remoteAddr) {
sess.remoteAddr = ""
}
}
if sess.remoteAddr == "" {
sess.remoteAddr = req.RemoteAddr
}
sess.uid = uid
flog.Info("flowkit: session started %v %v %v", sess.sid, sess.remoteAddr, count)
// Do work in goroutines to return from serveWebSocket() to release file pointers.
// Otherwise, "too many open files" will happen.
go sess.writeLoop()
go sess.readLoop()
}
func platformCallback(ctx *fiber.Ctx) error {
platform := ctx.Params("platform")
var err error
switch platform {
case tailchat.ID:
err = tailchat.HandleHttp(ctx)
case slack.ID:
err = slack.NewDriver().HttpServer(ctx)
}
if err != nil {
var protocolError *protocol.Error
if errors.As(err, protocolError) {
return ctx.JSON(protocol.NewFailedResponseWithError(protocolError, err))
}
return err
}
return ctx.JSON(protocol.NewSuccessResponse(nil))
}