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|
package handlers
import (
"encoding/json"
"net/http"
"server/database"
"server/helper"
)
type signupRequest struct {
Email string
Password string
}
func Signup(writer http.ResponseWriter, request *http.Request) {
if request.Method != "POST" {
helper.WriteErrorJson("expected POST method", writer, http.StatusBadRequest)
return
}
var signup_request signupRequest
err := json.NewDecoder(request.Body).Decode(&signup_request)
if err != nil {
helper.WriteErrorJson(err.Error(), writer, http.StatusBadRequest)
return
}
if len(signup_request.Email) < 3 || len(signup_request.Email) > 254 {
helper.WriteErrorJson("invalid email address", writer, http.StatusBadRequest)
return
}
if len(signup_request.Password) < 8 {
helper.WriteErrorJson("password too short", writer, http.StatusBadRequest)
return
}
if len(signup_request.Password) > 64 {
helper.WriteErrorJson("password too long", writer, http.StatusBadRequest)
return
}
user, err := database.MaybeGetUser(signup_request.Email)
if err != nil {
helper.WriteInternalErrorJson(err, writer)
return
}
if user != nil {
helper.WriteErrorJson("a user with that email already exists", writer, http.StatusForbidden)
return
}
salt, err := helper.GenerateSalt()
if err != nil {
helper.WriteInternalErrorJson(err, writer)
return
}
hash, err := helper.GenerateHash(signup_request.Password, salt)
if err != nil {
helper.WriteInternalErrorJson(err, writer)
return
}
uid, err := database.WriteNewUser(signup_request.Email, hash, salt)
if err != nil {
helper.WriteInternalErrorJson(err, writer)
return
}
err = helper.IssueToken(uid, writer)
if err != nil {
helper.WriteInternalErrorJson(err, writer)
return
}
}
|
