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setup.go
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setup.go
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package routes
import (
"errors"
"io/ioutil"
"net/http"
"github.com/go-chi/chi"
"github.com/jackc/pgx/v5"
"github.com/lestrrat-go/jwx/v2/jwa"
"github.com/lestrrat-go/jwx/v2/jwk"
"github.com/rs/zerolog/log"
"github.com/samber/do"
"github.com/therealpaulgg/ssh-sync-server/pkg/database/models"
"github.com/therealpaulgg/ssh-sync-server/pkg/database/query"
"github.com/therealpaulgg/ssh-sync-server/pkg/database/repository"
"github.com/therealpaulgg/ssh-sync-server/pkg/web/live"
"github.com/therealpaulgg/ssh-sync-server/pkg/web/middleware"
"github.com/therealpaulgg/ssh-sync/pkg/dto"
)
func initialSetup(i *do.Injector) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var userDto dto.UserDto
err := r.ParseMultipartForm(32 << 20)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
username := r.FormValue("username")
if username == "" {
w.WriteHeader(http.StatusBadRequest)
return
}
userDto.Username = username
machineName := r.FormValue("machine_name")
if machineName == "" {
w.WriteHeader(http.StatusBadRequest)
return
}
file, _, err := r.FormFile("key")
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
fileBytes, err := ioutil.ReadAll(file)
if err != nil {
log.Err(err).Msg("error reading file")
w.WriteHeader(http.StatusInternalServerError)
return
}
// validate that it is in fact a public key
key, err := jwk.ParseKey(fileBytes, jwk.WithPEM(true))
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
keyType := key.KeyType()
if keyType != jwa.EC {
w.WriteHeader(http.StatusBadRequest)
return
}
txQueryService := do.MustInvoke[query.TransactionService](i)
tx, err := txQueryService.StartTx(pgx.TxOptions{})
if err != nil {
log.Err(err).Msg("error starting transaction")
w.WriteHeader(http.StatusInternalServerError)
return
}
defer func() {
rb := func(tx pgx.Tx) {
err := txQueryService.Rollback(tx)
if err != nil {
log.Err(err).Msg("error rolling back transaction")
}
}
if err != nil {
rb(tx)
} else {
internalErr := txQueryService.Commit(tx)
if internalErr != nil {
log.Err(err).Msg("error committing transaction")
rb(tx)
w.WriteHeader(http.StatusInternalServerError)
}
}
}()
userRepo := do.MustInvoke[repository.UserRepository](i)
user := &models.User{}
user.Username = userDto.Username
user, err = userRepo.CreateUserTx(user, tx)
if err != nil {
if errors.Is(err, repository.ErrUserAlreadyExists) {
w.WriteHeader(http.StatusConflict)
return
}
log.Err(err).Msg("error creating user")
w.WriteHeader(http.StatusInternalServerError)
return
}
machineRepo := do.MustInvoke[repository.MachineRepository](i)
machine := &models.Machine{}
machine.Name = machineName
machine.UserID = user.ID
machine.PublicKey = fileBytes
_, err = machineRepo.CreateMachineTx(machine, tx)
if err != nil {
if errors.Is(err, repository.ErrMachineAlreadyExists) {
w.WriteHeader(http.StatusConflict)
return
}
log.Err(err).Msg("error creating machine")
w.WriteHeader(http.StatusInternalServerError)
return
}
}
}
func challengeResponse(i *do.Injector) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
err := live.MachineChallengeResponse(i, r, w)
if err != nil {
log.Err(err).Msg("error with challenge response creation")
w.WriteHeader(http.StatusInternalServerError)
return
}
}
}
func getExisting(i *do.Injector) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
err := live.NewMachineChallenge(i, r, w)
if err != nil {
log.Err(err).Msg("error creating challenge")
w.WriteHeader(http.StatusInternalServerError)
return
}
}
}
func SetupRoutes(i *do.Injector) chi.Router {
r := chi.NewRouter()
r.Post("/", initialSetup(i))
ch := chi.NewRouter()
ch.Use(middleware.ConfigureAuth(i))
ch.Get("/", challengeResponse(i))
r.Mount("/challenge", ch)
r.Get("/existing", getExisting(i))
return r
}