func Upload(w http.ResponseWriter, r *http.Request) {
go_lib.LogInfoln(request.GetRequestInfo(r))
if r.Method == "GET" {
token := r.Form.Get("token")
t, _ := template.ParseFiles(request.GeneratePagePath("upload"))
err := t.Execute(w, token)
if err != nil {
go_lib.LogErrorln("PageWriteErr:", err)
}
} else {
r.ParseMultipartForm(32 << 20)
file, handler, err := r.FormFile("uploadfile")
if err != nil {
go_lib.LogErrorln("UploadFileParsError:", err)
return
}
defer file.Close()
fmt.Fprintf(w, "%v", handler.Header)
var buffer bytes.Buffer
buffer.WriteString(os.TempDir())
buffer.WriteString("/")
buffer.WriteString(handler.Filename)
tempFilePath := buffer.String()
f, err := os.OpenFile(tempFilePath, os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
go_lib.LogErrorln(err)
return
}
defer f.Close()
go_lib.LogInfoln("Receive a file & save to %s ...\n", tempFilePath)
io.Copy(f, file)
go request.DeleteTempFile(time.Duration(time.Minute*5), tempFilePath)
}
}
func Register(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
go_lib.LogInfoln(request.GetRequestInfo(r))
if r.Method == "GET" {
attrMap := request.GenerateBasicAttrMap(w, r)
encodedHint := r.FormValue("hint")
if len(encodedHint) > 0 {
hint := request.UrlDecoding(encodedHint)
attrMap["hint"] = hint
}
t, _ := template.ParseFiles(request.GeneratePagePath("register"))
err := t.Execute(w, attrMap)
if err != nil {
go_lib.LogErrorln("PageWriteErr:", err)
}
} else {
fieldMap, invalidFields := request.VerifyRegisterForm(r)
go_lib.LogInfoln("The field map:", fieldMap)
if len(invalidFields) > 0 {
hint := fmt.Sprintln("There are some invalid fields of '':", invalidFields, ".")
go_lib.LogInfoln(hint)
encodedHint := request.UrlEncoding(hint)
redirectUrl := "/register?hint=" + encodedHint
http.Redirect(w, r, redirectUrl, http.StatusFound)
} else {
http.Redirect(w, r, "/", http.StatusFound)
}
}
}
func GetCv(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
w.WriteHeader(200)
w.Header().Set("Content-Type", "text/html; charset=utf-8")
attrMap := request.GenerateBasicAttrMap(w, r)
loginName := attrMap[request.LOGIN_NAME_KEY]
go_lib.LogInfoln(request.GetRequestInfo(r))
auth_code := r.FormValue(request.AUTH_CODE)
go_lib.LogInfof("Getting CV by user '%s' with input '%s'...\n", loginName, auth_code)
pass, err := request.VerifyAuthCode(auth_code)
if err != nil {
go_lib.LogErrorf("Occur error when verify auth code: %s\n", err)
// w.WriteHeader(500)
fmt.Fprintln(w, "Error: Something wrong when verify auth code!")
return
}
if !pass {
go_lib.LogWarnf("Unauthorized CV getting by user '%s' with input '%s'.\n", loginName, auth_code)
// w.WriteHeader(401)
fmt.Fprintln(w, "FAIL: Wrong authorization code.")
return
}
cvContent, err := base.GetCvContent()
if err != nil {
go_lib.LogErrorf("Occur error when get cv content: %s.\n", err)
// w.WriteHeader(500)
fmt.Fprintln(w, "Error: Something wrong when get CV content!")
return
}
fmt.Fprintln(w, cvContent)
go_lib.LogInfof("The CV had taken by user '%s' with input '%s'.\n", loginName, auth_code)
}
func RequestDispatcher(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
go_lib.LogInfoln(request.GetRequestInfo(r))
attrMap := request.GenerateBasicAttrMap(w, r)
currentPage := r.FormValue("page")
if len(currentPage) == 0 {
currentPage = base.HOME_PAGE
}
pageRightsTag := attrMap[currentPage]
if pageRightsTag != "true" {
currentPage = base.HOME_PAGE
}
t := template.New("welcome page")
t.Funcs(template.FuncMap{
"equal": request.SimpleEqual,
"match": request.MatchString,
"allTrue": request.AllTrue,
})
t, err := t.ParseFiles(request.GeneratePagePath(currentPage),
request.GeneratePagePath("common"),
request.GeneratePagePath("navbar"))
if err != nil {
go_lib.LogErrorln("ParseFilesErr:", err)
}
attrMap["currentPage"] = currentPage
err = t.ExecuteTemplate(w, "page", attrMap)
if err != nil {
go_lib.LogErrorln("ExecuteTemplateErr:", err)
}
recordPageAccessInfo(currentPage, attrMap[request.LOGIN_NAME_KEY], uint64(1))
}
func GetAuthCodeForAdmin(w http.ResponseWriter, r *http.Request) {
hj, ok := w.(http.Hijacker)
if !ok {
errorMsg := "The Web Server does not support Hijacking! "
http.Error(w, errorMsg, http.StatusInternalServerError)
go_lib.LogErrorf(errorMsg)
return
}
conn, bufrw, err := hj.Hijack()
if err != nil {
errorMsg := "Internal error!"
http.Error(w, errorMsg, http.StatusInternalServerError)
go_lib.LogErrorf(errorMsg+" Hijacking Error: %s\n", err)
return
}
defer conn.Close()
r.ParseForm()
reqType := r.FormValue("type")
go_lib.LogInfoln(request.GetRequestInfo(r))
attrMap := request.GenerateBasicAttrMap(w, r)
loginName := attrMap[request.LOGIN_NAME_KEY]
groupName := attrMap[request.GROUP_NAME_KEY]
parameterOutline := fmt.Sprintf("[loginName=%s, groupName=%s, reqType=%s]", loginName, groupName, reqType)
if groupName != rights.ADMIN_USER_GROUP_NAME {
errorMsg := "Authentication failed!"
http.Error(w, errorMsg, http.StatusForbidden)
go_lib.LogErrorf(errorMsg+" [auth code push handler] %s \n", parameterOutline)
return
}
if reqType != "lp" {
currentAuthCode, err := request.GetCurrentAuthCode()
if err != nil {
go_lib.LogErrorf("GetCurrentAuthCodeError: %s\n", err)
}
go_lib.LogInfof("Push current auth code '%s' %s \n", currentAuthCode, parameterOutline)
done := pushResponse(bufrw, currentAuthCode)
if !done {
go_lib.LogErrorf("Pushing current auth code '%s' is failing! %s \n", currentAuthCode, parameterOutline)
}
} else {
nacChan := make(chan string)
triggerFunc := func(newAuthCode string) {
nacChan <- newAuthCode
}
triggerId := fmt.Sprintf("long-polling|%s|%s|%d", loginName, groupName, time.Now().UnixNano())
request.AddNewAuthCodeTrigger(triggerId, triggerFunc)
defer request.DelNewAuthCodeTrigger(triggerId)
newAuthCode := <-nacChan // wait for new auth code generating
go_lib.LogInfof("Push new auth code '%s' %s \n", newAuthCode, parameterOutline)
done := pushResponse(bufrw, newAuthCode)
if !done {
go_lib.LogErrorf("Pushing new auth code '%s' is failing! %s \n", newAuthCode, parameterOutline)
}
}
defer go_lib.LogInfof("The auth code push handler will be close. %s \n", parameterOutline)
}
func Logout(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
go_lib.LogInfoln(request.GetRequestInfo(r))
hmSession, err := session.GetMatchedSession(w, r)
if err != nil {
go_lib.LogErrorln("GetSessionErr:", err)
}
if hmSession != nil {
loginName, err := hmSession.Get(session.SESSION_GRANTORS_KEY)
if err != nil {
go_lib.LogErrorln("GetLoginNameErr:", err)
}
done, err := hmSession.Destroy()
if err != nil {
go_lib.LogErrorln("DestroySessionErr:", err)
} else {
go_lib.LogInfof("Logout: User '%s' logout. (result=%v)\n", loginName, done)
}
} else {
go_lib.LogInfoln("Logout: Current visitor has yet login.\n")
}
http.Redirect(w, r, "/", http.StatusFound)
}
func GetUserListForAdmin(w http.ResponseWriter, r *http.Request) {
hj, ok := w.(http.Hijacker)
if !ok {
errorMsg := "The Web Server does not support Hijacking! "
http.Error(w, errorMsg, http.StatusInternalServerError)
go_lib.LogErrorf(errorMsg)
return
}
conn, bufrw, err := hj.Hijack()
if err != nil {
errorMsg := "Internal error!"
http.Error(w, errorMsg, http.StatusInternalServerError)
go_lib.LogErrorf(errorMsg+" Hijacking Error: %s\n", err)
return
}
defer conn.Close()
r.ParseForm()
go_lib.LogInfoln(request.GetRequestInfo(r))
attrMap := request.GenerateBasicAttrMap(w, r)
loginName := attrMap[request.LOGIN_NAME_KEY]
groupName := attrMap[request.GROUP_NAME_KEY]
parameterOutline := fmt.Sprintf("[loginName=%s, groupName=%s]", loginName, groupName)
if groupName != rights.ADMIN_USER_GROUP_NAME {
errorMsg := "Authentication failed!"
http.Error(w, errorMsg, http.StatusForbidden)
go_lib.LogErrorf(errorMsg+" [user list handler] %s \n", parameterOutline)
return
}
var respBuffer bytes.Buffer
users, err := rights.FindUser("*")
if err != nil {
go_lib.LogErrorf("FindUserError: %s\n", err)
} else {
b, err := json.Marshal(users)
if err != nil {
go_lib.LogErrorf("JsonMarshalError (source=%v): %s\n", users, err)
} else {
respBuffer.WriteString(string(b))
}
}
resp := respBuffer.String()
done := pushResponse(bufrw, resp)
if !done {
go_lib.LogErrorf("Pushing user list '%s' is failing! %s \n", resp, parameterOutline)
}
}
func main() {
flag.Parse()
fileServer := http.FileServer(http.Dir("web"))
http.Handle("/css/", fileServer)
http.Handle("/js/", fileServer)
http.Handle("/img/", fileServer)
http.HandleFunc("/", controller.RequestDispatcher)
http.HandleFunc("/register", controller.Register)
http.HandleFunc("/login", controller.Login)
http.HandleFunc("/logout", controller.Logout)
http.HandleFunc("/upload", controller.Upload)
http.HandleFunc("/get-cv", controller.GetCv)
http.HandleFunc("/auth_code", controller.GetAuthCodeForAdmin)
http.HandleFunc("/user_list", controller.GetUserListForAdmin)
go_lib.LogInfof("Starting hypermind http server (port=%d)...\n", serverPort)
err := http.ListenAndServe(":"+fmt.Sprintf("%d", serverPort), nil)
if err != nil {
go_lib.LogFatalln("ListenAndServeError: ", err)
} else {
go_lib.LogInfoln("Hypermind http server is started.")
}
}
func Login(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
go_lib.LogInfoln(request.GetRequestInfo(r))
attrMap := request.GenerateBasicAttrMap(w, r)
loginName := attrMap[request.LOGIN_NAME_KEY]
if r.Method == "GET" {
token := request.GenerateToken(r, loginName)
go_lib.LogInfof("Token: %v\n", token)
request.SaveToken(token)
attrMap := request.GenerateBasicAttrMap(w, r)
attrMap[request.TOKEN_KEY] = token.Key
hint := r.FormValue(request.HINT_KEY)
if len(hint) > 0 {
attrMap[request.HINT_KEY] = hint
}
t, err := template.ParseFiles(request.GeneratePagePath("login"), request.GeneratePagePath("common"))
if err != nil {
go_lib.LogErrorln("TemplateParseErr:", err)
}
err = t.ExecuteTemplate(w, "page", attrMap)
if err != nil {
go_lib.LogErrorln("PageWriteErr:", err)
}
} else {
r.ParseForm()
tokenKey := r.Form.Get(request.TOKEN_KEY)
go_lib.LogInfoln("Token Key:", tokenKey)
validToken := request.CheckToken(tokenKey)
if !validToken {
go_lib.LogWarnf("Invalid token key '%s' ! Ignore the login request.", tokenKey)
r.Method = "GET"
http.Redirect(w, r, r.URL.Path, http.StatusFound)
return
} else {
request.RemoveToken(tokenKey)
}
loginName = template.HTMLEscapeString(r.Form.Get(request.LOGIN_NAME_KEY))
go_lib.LogInfoln("login - loginName:", loginName)
password := template.HTMLEscapeString(r.Form.Get(request.PASSWORD_KEY))
go_lib.LogInfoln("login - password:"******"remember-me")
go_lib.LogInfoln("login - remember-me:", rememberMe)
validLogin, err := rights.VerifyUser(loginName, password)
go_lib.LogInfoln("Verify user:"******"/"
if err != nil {
go_lib.LogErrorf("VerifyUserError (loginName=%s): %s\n", loginName, err)
redirectPath = r.URL.Path
} else {
if validLogin {
longTerm := len(rememberMe) == 0 || rememberMe != "y"
_, err = session.NewSession(loginName, longTerm, w, r)
if err != nil {
go_lib.LogErrorf("SetSessionError (loginName=%s): %s\n", loginName, err)
}
} else {
hint := "Wrong login name or password."
redirectPath = request.AppendParameter(r.URL.Path, map[string]string{request.HINT_KEY: hint})
}
}
go_lib.LogInfof("RPATH: %s\n", redirectPath)
http.Redirect(w, r, redirectPath, http.StatusFound)
}
}