Add base server

backend.go

@@ -0,0 +1,50 @@
+package daisy
+
+import (
+	"context"
+	"github.com/emersion/go-vcard"
+	"github.com/emersion/go-webdav/carddav"
+)
+
+type Backend struct {
+}
+
+func (b *Backend) AddressbookHomeSetPath(ctx context.Context) (string, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (b *Backend) AddressBook(ctx context.Context) (*carddav.AddressBook, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (b *Backend) GetAddressObject(ctx context.Context, path string, req *carddav.AddressDataRequest) (*carddav.AddressObject, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (b *Backend) ListAddressObjects(ctx context.Context, req *carddav.AddressDataRequest) ([]carddav.AddressObject, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (b *Backend) QueryAddressObjects(ctx context.Context, query *carddav.AddressBookQuery) ([]carddav.AddressObject, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (b *Backend) PutAddressObject(ctx context.Context, path string, card vcard.Card, opts *carddav.PutAddressObjectOptions) (loc string, err error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (b *Backend) DeleteAddressObject(ctx context.Context, path string) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (b *Backend) CurrentUserPrincipal(ctx context.Context) (string, error) {
+	//TODO implement me
+	panic("implement me")
+}

cmd/daisy/main.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"github.com/google/subcommands"
+	"os"
+)
+
+func main() {
+	subcommands.Register(subcommands.HelpCommand(), "")
+	subcommands.Register(subcommands.FlagsCommand(), "")
+	subcommands.Register(subcommands.CommandsCommand(), "")
+	subcommands.Register(&serveCmd{}, "")
+
+	flag.Parse()
+	ctx := context.Background()
+	os.Exit(int(subcommands.Execute(ctx)))
+}

cmd/daisy/serve.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"flag"
+	"github.com/1f349/daisy"
+	"github.com/1f349/violet/utils"
+	"github.com/google/subcommands"
+	"github.com/mrmelon54/exit-reload"
+	"log"
+	"os"
+	"path/filepath"
+)
+
+type serveCmd struct{ configPath string }
+
+func (s *serveCmd) Name() string { return "serve" }
+
+func (s *serveCmd) Synopsis() string { return "Serve contacts service" }
+
+func (s *serveCmd) SetFlags(f *flag.FlagSet) {
+	f.StringVar(&s.configPath, "conf", "", "/path/to/config.json : path to the config file")
+}
+
+func (s *serveCmd) Usage() string {
+	return `serve [-conf <config file>]
+  Serve contacts service using information from the config file
+`
+}
+
+func (s *serveCmd) Execute(_ context.Context, _ *flag.FlagSet, _ ...any) subcommands.ExitStatus {
+	log.Println("[Daisy] Starting...")
+
+	if s.configPath == "" {
+		log.Println("[Daisy] Error: config flag is missing")
+		return subcommands.ExitUsageError
+	}
+
+	openConf, err := os.Open(s.configPath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			log.Println("[Daisy] Error: missing config file")
+		} else {
+			log.Println("[Daisy] Error: open config file: ", err)
+		}
+		return subcommands.ExitFailure
+	}
+
+	var config daisy.Conf
+	err = json.NewDecoder(openConf).Decode(&config)
+	if err != nil {
+		log.Println("[Daisy] Error: invalid config file: ", err)
+		return subcommands.ExitFailure
+	}
+
+	configPathAbs, err := filepath.Abs(s.configPath)
+	if err != nil {
+		log.Fatal("[Daisy] Failed to get absolute config path")
+	}
+	wd := filepath.Dir(configPathAbs)
+	normalLoad(config, wd)
+	return subcommands.ExitSuccess
+}
+
+func normalLoad(startUp daisy.Conf, wd string) {
+	srv := daisy.NewHttpServer(startUp, wd)
+	log.Printf("[Daisy] Starting HTTP server on '%s'\n", srv.Addr)
+	go utils.RunBackgroundHttp("HTTP", srv)
+
+	exit_reload.ExitReload("Daisy", func() {}, func() {
+		// stop http server
+		_ = srv.Close()
+	})
+}

go.mod

@@ -1,3 +1,16 @@
 module github.com/1f349/daisy
 
 go 1.22
+
+require (
+	github.com/1f349/violet v0.0.13
+	github.com/emersion/go-webdav v0.5.0
+	github.com/google/subcommands v1.2.0
+	github.com/julienschmidt/httprouter v1.3.0
+	github.com/mrmelon54/exit-reload v0.0.2
+)
+
+require (
+	github.com/emersion/go-vcard v0.0.0-20230815062825-8fda7d206ec9 // indirect
+	golang.org/x/net v0.25.0 // indirect
+)

go.sum

@@ -0,0 +1,27 @@
+github.com/1f349/violet v0.0.13 h1:lJpTz15Ea83Uc1VAISXTjtKuzr8Pe8NM4cMGp3Aiyhk=
+github.com/1f349/violet v0.0.13/go.mod h1:Ga5/hWqI+EkR6J1mAMNzs7aJhuGcA89XFqgQaDXC7Jo=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/emersion/go-ical v0.0.0-20220601085725-0864dccc089f/go.mod h1:2MKFUgfNMULRxqZkadG1Vh44we3y5gJAtTBlVsx1BKQ=
+github.com/emersion/go-vcard v0.0.0-20230815062825-8fda7d206ec9 h1:ATgqloALX6cHCranzkLb8/zjivwQ9DWWDCQRnxTPfaA=
+github.com/emersion/go-vcard v0.0.0-20230815062825-8fda7d206ec9/go.mod h1:HMJKR5wlh/ziNp+sHEDV2ltblO4JD2+IdDOWtGcQBTM=
+github.com/emersion/go-webdav v0.5.0 h1:Ak/BQLgAihJt/UxJbCsEXDPxS5Uw4nZzgIMOq3rkKjc=
+github.com/emersion/go-webdav v0.5.0/go.mod h1:ycyIzTelG5pHln4t+Y32/zBvmrM7+mV7x+V+Gx4ZQno=
+github.com/google/subcommands v1.2.0 h1:vWQspBTo2nEqTUFita5/KeEWlUL8kQObDFbub/EN9oE=
+github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
+github.com/julienschmidt/httprouter v1.3.0 h1:U0609e9tgbseu3rBINet9P48AI/D3oJs4dN7jwJOQ1U=
+github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
+github.com/mrmelon54/exit-reload v0.0.2 h1:vqgfrMD/bF21HkDsWgg5+NLjFDrD3KGVEN/iTrMn9Ms=
+github.com/mrmelon54/exit-reload v0.0.2/go.mod h1:aE3NhsqGMLUqmv6cJZRouC/8gXkZTvVSabRGOpI+Vjc=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/teambition/rrule-go v1.7.2/go.mod h1:mBJ1Ht5uboJ6jexKdNUJg2NcwP8uUMNvStWXlJD3MvU=
+github.com/teambition/rrule-go v1.8.2/go.mod h1:Ieq5AbrKGciP1V//Wq8ktsTXwSwJHDD5mD/wLBGl3p4=
+golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
+golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
+golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

server.go

@@ -0,0 +1,27 @@
+package daisy
+
+import (
+	"github.com/emersion/go-webdav/carddav"
+	"net/http"
+	"time"
+)
+
+type Conf struct {
+	Listen string `json:"listen"`
+}
+
+func NewHttpServer(conf Conf, wd string) *http.Server {
+	h := &carddav.Handler{
+		Backend: &Backend{},
+	}
+
+	return &http.Server{
+		Addr:              conf.Listen,
+		Handler:           h,
+		ReadTimeout:       time.Minute,
+		ReadHeaderTimeout: time.Minute,
+		WriteTimeout:      time.Minute,
+		IdleTimeout:       time.Minute,
+		MaxHeaderBytes:    2500,
+	}
+}