Http server harness
Add storage retrieval solution for http handler Successfully executed account regisration using http Set upstream go-vise dependency version in go.mod Adapt menuhandler to upstream
This commit is contained in:
parent
63cee42261
commit
dd2468a4d7
199
cmd/http/main.go
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199
cmd/http/main.go
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@ -0,0 +1,199 @@
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package main
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import (
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"context"
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"flag"
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"fmt"
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"net/http"
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"os"
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"path"
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"strconv"
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"git.defalsify.org/vise.git/asm"
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"git.defalsify.org/vise.git/db"
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fsdb "git.defalsify.org/vise.git/db/fs"
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gdbmdb "git.defalsify.org/vise.git/db/gdbm"
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"git.defalsify.org/vise.git/engine"
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"git.defalsify.org/vise.git/persist"
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"git.defalsify.org/vise.git/resource"
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"git.defalsify.org/vise.git/logging"
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"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
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httpserver "git.grassecon.net/urdt/ussd/internal/http"
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)
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var (
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logg = logging.NewVanilla()
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scriptDir = path.Join("services", "registration")
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)
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func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
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flagParser := asm.NewFlagParser().WithDebug()
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_, err := flagParser.Load(fp)
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if err != nil {
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return nil, err
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}
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return flagParser, nil
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}
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func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore db.Db) (*ussd.Handlers, error) {
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ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
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if err != nil {
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return nil, err
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}
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rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
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rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
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rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
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rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
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rs.AddLocalFunc("check_identifier", ussdHandlers.CheckIdentifier)
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rs.AddLocalFunc("check_account_status", ussdHandlers.CheckAccountStatus)
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rs.AddLocalFunc("authorize_account", ussdHandlers.Authorize)
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rs.AddLocalFunc("quit", ussdHandlers.Quit)
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rs.AddLocalFunc("check_balance", ussdHandlers.CheckBalance)
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rs.AddLocalFunc("validate_recipient", ussdHandlers.ValidateRecipient)
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rs.AddLocalFunc("transaction_reset", ussdHandlers.TransactionReset)
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rs.AddLocalFunc("max_amount", ussdHandlers.MaxAmount)
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rs.AddLocalFunc("validate_amount", ussdHandlers.ValidateAmount)
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rs.AddLocalFunc("reset_transaction_amount", ussdHandlers.ResetTransactionAmount)
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rs.AddLocalFunc("get_recipient", ussdHandlers.GetRecipient)
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rs.AddLocalFunc("get_sender", ussdHandlers.GetSender)
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rs.AddLocalFunc("get_amount", ussdHandlers.GetAmount)
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rs.AddLocalFunc("reset_incorrect", ussdHandlers.ResetIncorrectPin)
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rs.AddLocalFunc("save_firstname", ussdHandlers.SaveFirstname)
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rs.AddLocalFunc("save_familyname", ussdHandlers.SaveFamilyname)
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rs.AddLocalFunc("save_gender", ussdHandlers.SaveGender)
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rs.AddLocalFunc("save_location", ussdHandlers.SaveLocation)
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rs.AddLocalFunc("save_yob", ussdHandlers.SaveYob)
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rs.AddLocalFunc("save_offerings", ussdHandlers.SaveOfferings)
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rs.AddLocalFunc("quit_with_balance", ussdHandlers.QuitWithBalance)
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rs.AddLocalFunc("reset_account_authorized", ussdHandlers.ResetAccountAuthorized)
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rs.AddLocalFunc("reset_allow_update", ussdHandlers.ResetAllowUpdate)
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rs.AddLocalFunc("get_profile_info", ussdHandlers.GetProfileInfo)
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rs.AddLocalFunc("verify_yob", ussdHandlers.VerifyYob)
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rs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
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rs.AddLocalFunc("set_reset_single_edit", ussdHandlers.SetResetSingleEdit)
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rs.AddLocalFunc("initiate_transaction", ussdHandlers.InitiateTransaction)
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return ussdHandlers, nil
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}
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func getStateStore(dbDir string, ctx context.Context) (db.Db, error) {
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err := os.MkdirAll(dbDir, 0700)
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if err != nil {
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return nil, fmt.Errorf("state dir create exited with error: %v\n", err)
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}
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store := gdbmdb.NewGdbmDb()
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storeFile := path.Join(dbDir, "state.gdbm")
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store.Connect(ctx, storeFile)
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return store, nil
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}
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func getUserdataDb(dbDir string, ctx context.Context) db.Db {
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store := gdbmdb.NewGdbmDb()
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storeFile := path.Join(dbDir, "userdata.gdbm")
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store.Connect(ctx, storeFile)
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return store
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}
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func getResource(resourceDir string, ctx context.Context) (resource.Resource, error) {
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store := fsdb.NewFsDb()
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err := store.Connect(ctx, resourceDir)
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if err != nil {
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return nil, err
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}
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rfs := resource.NewDbResource(store)
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return rfs, nil
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}
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func getEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) *engine.DefaultEngine {
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en := engine.NewEngine(cfg, rs)
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en = en.WithPersister(pr)
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return en
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}
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func main() {
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var dbDir string
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var resourceDir string
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var size uint
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var sessionId string
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var engineDebug bool
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var stateDebug bool
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var host string
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var port uint
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flag.StringVar(&sessionId, "session-id", "075xx2123", "session id")
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flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
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flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
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flag.BoolVar(&engineDebug, "engine-debug", false, "use engine debug output")
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flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
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flag.UintVar(&size, "s", 160, "max size of output")
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flag.StringVar(&host, "h", "127.0.0.1", "http host")
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flag.UintVar(&port, "p", 7123, "http port")
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flag.Parse()
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logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir, "outputsize", size)
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ctx := context.Background()
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ctx = context.WithValue(ctx, "SessionId",sessionId)
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pfp := path.Join(scriptDir, "pp.csv")
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flagParser, err := getFlags(pfp, true)
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if err != nil {
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os.Exit(1)
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}
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cfg := engine.Config{
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Root: "root",
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SessionId: sessionId,
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OutputSize: uint32(size),
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FlagCount: uint32(16),
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}
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if stateDebug {
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cfg.StateDebug = true
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}
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if engineDebug {
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cfg.EngineDebug = true
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}
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rs, err := getResource(resourceDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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userdataStore := getUserdataDb(dbDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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dbResource, ok := rs.(*resource.DbResource)
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if !ok {
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os.Exit(1)
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}
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hl, err := getHandler(flagParser, dbResource, userdataStore)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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stateStore, err := getStateStore(dbDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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sh := httpserver.NewSessionHandler(cfg, rs, userdataStore, stateStore, hl.Init)
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s := &http.Server{
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Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
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Handler: sh,
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}
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err = s.ListenAndServe()
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if err != nil {
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fmt.Fprintf(os.Stderr, "Server error: %s", err)
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os.Exit(1)
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}
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}
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10
cmd/main.go
10
cmd/main.go
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func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, pe *persist.Persister, userdataStore db.Db) (*ussd.Handlers, error) {
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ussdHandlers, err := ussd.NewHandlers(appFlags, pe, userdataStore)
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ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
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if err != nil {
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return nil, err
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}
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ussdHandlers = ussdHandlers.WithPersister(pe)
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rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
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rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
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rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
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@ -145,7 +146,7 @@ func main() {
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os.Exit(1)
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}
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pr, err := getPersister(dbDir, ctx)
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pe, err := getPersister(dbDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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@ -159,16 +160,17 @@ func main() {
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dbResource, ok := rs.(*resource.DbResource)
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if !ok {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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hl, err := getHandler(flagParser, dbResource, pr, store)
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hl, err := getHandler(flagParser, dbResource, pe, store)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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en := getEngine(cfg, rs, pr)
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en := getEngine(cfg, rs, pe)
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en = en.WithFirst(hl.Init)
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if debug {
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en = en.WithDebug(nil)
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12
go.mod
12
go.mod
@ -2,6 +2,12 @@ module git.grassecon.net/urdt/ussd
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go 1.22.6
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require (
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git.defalsify.org/vise.git v0.1.0-rc.2.0.20240907200911-15fe28c9d5b0
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github.com/alecthomas/assert/v2 v2.2.2
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gopkg.in/leonelquinteros/gotext.v1 v1.3.1
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)
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require (
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github.com/alecthomas/participle/v2 v2.0.0 // indirect
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github.com/alecthomas/repr v0.2.0 // indirect
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@ -17,9 +23,3 @@ require (
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github.com/x448/float16 v0.8.4 // indirect
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gopkg.in/yaml.v3 v3.0.1 // indirect
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)
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require (
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git.defalsify.org/vise.git v0.1.0-rc.1.0.20240906020635-400f69d01a89
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github.com/alecthomas/assert/v2 v2.2.2
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gopkg.in/leonelquinteros/gotext.v1 v1.3.1
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)
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4
go.sum
4
go.sum
@ -1,5 +1,5 @@
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git.defalsify.org/vise.git v0.1.0-rc.1.0.20240906020635-400f69d01a89 h1:YyQODhMwSM5YD9yKHM5jCF0HC0RQtE3MkVXcTnOhXJo=
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git.defalsify.org/vise.git v0.1.0-rc.1.0.20240906020635-400f69d01a89/go.mod h1:JDguWmcoWBdsnpw7PUjVZAEpdC/ubBmjdUBy3tjP63M=
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git.defalsify.org/vise.git v0.1.0-rc.2.0.20240907200911-15fe28c9d5b0 h1:B9kE2XXjrYmHNIgRV6fR1WLWE8+z8OvDhJSc96lbGPQ=
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git.defalsify.org/vise.git v0.1.0-rc.2.0.20240907200911-15fe28c9d5b0/go.mod h1:JDguWmcoWBdsnpw7PUjVZAEpdC/ubBmjdUBy3tjP63M=
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github.com/alecthomas/assert/v2 v2.2.2 h1:Z/iVC0xZfWTaFNE6bA3z07T86hd45Xe2eLt6WVy2bbk=
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github.com/alecthomas/assert/v2 v2.2.2/go.mod h1:pXcQ2Asjp247dahGEmsZ6ru0UVwnkhktn7S0bBDLxvQ=
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github.com/alecthomas/participle/v2 v2.0.0 h1:Fgrq+MbuSsJwIkw3fEj9h75vDP0Er5JzepJ0/HNHv0g=
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@ -66,21 +66,17 @@ type Handlers struct {
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accountService server.AccountServiceInterface
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}
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func NewHandlers(parser *asm.FlagParser, pe *persist.Persister, userdataStore db.Db) (*Handlers, error) {
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userDb := utils.UserDataStore{
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Db: userdataStore,
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}
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if pe == nil {
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return nil, fmt.Errorf("cannot create handler with nil persister")
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}
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func NewHandlers(appFlags *asm.FlagParser, userdataStore db.Db) (*Handlers, error) {
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if userdataStore == nil {
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return nil, fmt.Errorf("cannot create handler with nil userdata store")
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}
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userDb := &utils.UserDataStore{
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Db: userdataStore,
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}
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h := &Handlers{
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pe: pe,
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userdataStore: &userDb,
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flagManager: parser,
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accountService: &server.AccountService{},
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userdataStore: userDb,
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flagManager: appFlags,
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accountService: &server.AccountService{},
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}
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return h, nil
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}
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@ -94,6 +90,14 @@ func isValidPIN(pin string) bool {
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return match
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}
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func (h *Handlers) WithPersister(pe *persist.Persister) *Handlers {
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if h.pe != nil {
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panic("persister already set")
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}
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h.pe = pe
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return h
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}
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func (h *Handlers) Init(ctx context.Context, sym string, input []byte) (resource.Result, error) {
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var r resource.Result
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130
internal/http/server.go
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130
internal/http/server.go
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package http
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"git.defalsify.org/vise.git/db"
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"git.defalsify.org/vise.git/engine"
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"git.defalsify.org/vise.git/logging"
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"git.defalsify.org/vise.git/persist"
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"git.defalsify.org/vise.git/resource"
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)
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var (
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logg = logging.NewVanilla().WithDomain("httpserver")
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)
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type RequestParser struct {
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}
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func(rp *RequestParser) GetSessionId(rq *http.Request) (string, error) {
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v := rq.Header.Get("X-Vise-Session")
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if v == "" {
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return "", fmt.Errorf("no session found")
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}
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return v, nil
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}
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func(rp *RequestParser) GetInput(rq *http.Request) ([]byte, error) {
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defer rq.Body.Close()
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v, err := ioutil.ReadAll(rq.Body)
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if err != nil {
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return nil, err
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}
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return v, nil
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}
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type SessionHandler struct {
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cfgTemplate engine.Config
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rp RequestParser
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rs resource.Resource
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first resource.EntryFunc
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provider StorageProvider
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}
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func NewSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, first resource.EntryFunc) *SessionHandler {
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return &SessionHandler{
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cfgTemplate: cfg,
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rs: rs,
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first: first,
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rp: RequestParser{},
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provider: NewSimpleStorageProvider(stateDb, userdataDb),
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}
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}
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func(f *SessionHandler) writeError(w http.ResponseWriter, code int, msg string, err error) {
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w.Header().Set("X-Vise", msg + ": " + err.Error())
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w.Header().Set("Content-Length", "0")
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w.WriteHeader(code)
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_, err = w.Write([]byte{})
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if err != nil {
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w.WriteHeader(500)
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w.Header().Set("X-Vise", err.Error())
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}
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return
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}
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func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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var r bool
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sessionId, err := f.rp.GetSessionId(req)
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if err != nil {
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f.writeError(w, 400, "Session missing", err)
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return
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}
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input, err := f.rp.GetInput(req)
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if err != nil {
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f.writeError(w, 400, "Input read fail", err)
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return
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}
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ctx := req.Context()
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cfg := f.cfgTemplate
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cfg.SessionId = sessionId
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logg.InfoCtxf(ctx, "new request", "session", cfg.SessionId, "input", input)
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storage, err := f.provider.Get(cfg.SessionId)
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if err != nil {
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f.writeError(w, 500, "Storage retrieval fail", err)
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return
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}
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en := getEngine(cfg, f.rs, storage.Persister)
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en = en.WithFirst(f.first)
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if cfg.EngineDebug {
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en = en.WithDebug(nil)
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}
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r, err = en.Init(ctx)
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if err != nil {
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f.writeError(w, 500, "Engine init fail", err)
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return
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}
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if r && len(input) > 0 {
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r, err = en.Exec(ctx, input)
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}
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if err != nil {
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f.writeError(w, 500, "Engine exec fail", err)
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return
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}
|
||||
|
||||
w.WriteHeader(200)
|
||||
w.Header().Set("Content-Type", "text/plain")
|
||||
_, err = en.WriteResult(ctx, w)
|
||||
if err != nil {
|
||||
f.writeError(w, 500, "Write result fail", err)
|
||||
return
|
||||
}
|
||||
err = en.Finish()
|
||||
if err != nil {
|
||||
f.writeError(w, 500, "Engine finish fail", err)
|
||||
return
|
||||
}
|
||||
_ = r
|
||||
}
|
||||
|
||||
func getEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) *engine.DefaultEngine {
|
||||
en := engine.NewEngine(cfg, rs)
|
||||
en = en.WithPersister(pr)
|
||||
return en
|
||||
}
|
43
internal/http/storage.go
Normal file
43
internal/http/storage.go
Normal file
@ -0,0 +1,43 @@
|
||||
package http
|
||||
|
||||
import (
|
||||
"git.defalsify.org/vise.git/db"
|
||||
"git.defalsify.org/vise.git/persist"
|
||||
)
|
||||
|
||||
type Storage struct {
|
||||
Persister *persist.Persister
|
||||
UserdataDb db.Db
|
||||
}
|
||||
|
||||
type StorageProvider interface {
|
||||
Get(sessionId string) (Storage, error)
|
||||
Put(sessionId string, storage Storage) error
|
||||
Close() error
|
||||
}
|
||||
|
||||
type SimpleStorageProvider struct {
|
||||
Storage
|
||||
}
|
||||
|
||||
func NewSimpleStorageProvider(stateStore db.Db, userdataStore db.Db) StorageProvider {
|
||||
pe := persist.NewPersister(stateStore)
|
||||
return &SimpleStorageProvider{
|
||||
Storage: Storage{
|
||||
Persister: pe,
|
||||
UserdataDb: userdataStore,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func (p *SimpleStorageProvider) Get(sessionId string) (Storage, error) {
|
||||
return p.Storage, nil
|
||||
}
|
||||
|
||||
func (p *SimpleStorageProvider) Put(sessionId string, storage Storage) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (p *SimpleStorageProvider) Close() error {
|
||||
return nil
|
||||
}
|
Loading…
Reference in New Issue
Block a user