Initial QSfera import
This commit is contained in:
Курнат Андрей
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package svc
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import (
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"net/http"
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"github.com/qsfera/server/services/web/pkg/metrics"
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)
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// NewInstrument returns a service that instruments metrics.
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func NewInstrument(next Service, metrics *metrics.Metrics) Service {
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return instrument{
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next: next,
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metrics: metrics,
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}
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}
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type instrument struct {
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next Service
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metrics *metrics.Metrics
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}
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// ServeHTTP implements the Service interface.
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func (i instrument) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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i.next.ServeHTTP(w, r)
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}
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// Config implements the Service interface.
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func (i instrument) Config(w http.ResponseWriter, r *http.Request) {
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i.next.Config(w, r)
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}
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package svc
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import (
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"net/http"
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"github.com/qsfera/server/pkg/log"
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)
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// NewLogging returns a service that logs messages.
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func NewLogging(next Service, logger log.Logger) Service {
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return logging{
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next: next,
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logger: logger,
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}
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}
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type logging struct {
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next Service
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logger log.Logger
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}
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// ServeHTTP implements the Service interface.
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func (l logging) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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l.next.ServeHTTP(w, r)
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}
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// Config implements the Service interface.
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func (l logging) Config(w http.ResponseWriter, r *http.Request) {
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l.next.Config(w, r)
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}
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package svc
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import (
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"io/fs"
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"net/http"
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gateway "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
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"github.com/opencloud-eu/reva/v2/pkg/rgrpc/todo/pool"
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"go.opentelemetry.io/otel/trace"
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"github.com/qsfera/server/pkg/log"
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"github.com/qsfera/server/pkg/x/io/fsx"
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"github.com/qsfera/server/services/web/pkg/config"
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)
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// Option defines a single option function.
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type Option func(o *Options)
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// Options define the available options for this package.
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type Options struct {
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Logger log.Logger
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Config *config.Config
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Middleware []func(http.Handler) http.Handler
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GatewaySelector pool.Selectable[gateway.GatewayAPIClient]
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TraceProvider trace.TracerProvider
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AppsHTTPEndpoint string
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CoreFS fs.FS
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AppFS fs.FS
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ThemeFS *fsx.FallbackFS
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}
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// newOptions initializes the available default options.
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func newOptions(opts ...Option) Options {
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opt := Options{}
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for _, o := range opts {
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o(&opt)
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}
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return opt
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}
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// Logger provides a function to set the logger option.
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func Logger(val log.Logger) Option {
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return func(o *Options) {
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o.Logger = val
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}
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}
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// Config provides a function to set the config option.
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func Config(val *config.Config) Option {
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return func(o *Options) {
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o.Config = val
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}
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}
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// Middleware provides a function to set the middleware option.
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func Middleware(val ...func(http.Handler) http.Handler) Option {
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return func(o *Options) {
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o.Middleware = val
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}
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}
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// GatewaySelector provides a function to set the gatewaySelector option.
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func GatewaySelector(gatewaySelector pool.Selectable[gateway.GatewayAPIClient]) Option {
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return func(o *Options) {
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o.GatewaySelector = gatewaySelector
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}
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}
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// TraceProvider provides a function to set the traceProvider option.
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func TraceProvider(val trace.TracerProvider) Option {
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return func(o *Options) {
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o.TraceProvider = val
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}
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}
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// AppFS provides a function to set the appFS option.
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func AppFS(val fs.FS) Option {
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return func(o *Options) {
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o.AppFS = val
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}
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}
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// ThemeFS provides a function to set the themeFS option.
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func ThemeFS(val *fsx.FallbackFS) Option {
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return func(o *Options) {
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o.ThemeFS = val
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}
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}
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// AppsHTTPEndpoint provides a function to set the appsHTTPEndpoint option.
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func AppsHTTPEndpoint(val string) Option {
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return func(o *Options) {
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o.AppsHTTPEndpoint = val
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}
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}
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// CoreFS provides a function to set the coreFS option.
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func CoreFS(val fs.FS) Option {
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return func(o *Options) {
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o.CoreFS = val
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}
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}
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@@ -0,0 +1,195 @@
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package svc
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import (
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"encoding/json"
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"io/fs"
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"net/http"
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"net/url"
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"path"
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"strconv"
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"strings"
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"time"
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gateway "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
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"github.com/go-chi/chi/v5"
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"github.com/opencloud-eu/reva/v2/pkg/rgrpc/todo/pool"
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"github.com/riandyrn/otelchi"
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"github.com/qsfera/server/pkg/account"
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"github.com/qsfera/server/pkg/log"
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"github.com/qsfera/server/pkg/middleware"
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"github.com/qsfera/server/pkg/tracing"
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"github.com/qsfera/server/pkg/x/io/fsx"
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"github.com/qsfera/server/services/web/pkg/assets"
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"github.com/qsfera/server/services/web/pkg/config"
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"github.com/qsfera/server/services/web/pkg/theme"
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)
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// ErrConfigInvalid is returned when the config parse is invalid.
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var ErrConfigInvalid = `Invalid or missing config`
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// Service defines the service handlers.
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type Service interface {
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ServeHTTP(w http.ResponseWriter, r *http.Request)
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Config(w http.ResponseWriter, r *http.Request)
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}
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// NewService returns a service implementation for Service.
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func NewService(opts ...Option) (Service, error) {
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options := newOptions(opts...)
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m := chi.NewMux()
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m.Use(options.Middleware...)
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m.Use(
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otelchi.Middleware(
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"web",
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otelchi.WithChiRoutes(m),
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otelchi.WithTracerProvider(options.TraceProvider),
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otelchi.WithPropagators(tracing.GetPropagator()),
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),
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)
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svc := Web{
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logger: options.Logger,
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config: options.Config,
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mux: m,
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coreFS: options.CoreFS,
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themeFS: options.ThemeFS,
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gatewaySelector: options.GatewaySelector,
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}
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themeService, err := theme.NewService(
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theme.ServiceOptions{}.
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WithThemeFS(options.ThemeFS).
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WithGatewaySelector(options.GatewaySelector),
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)
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if err != nil {
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return svc, err
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}
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m.Route(options.Config.HTTP.Root, func(r chi.Router) {
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r.Get("/config.json", svc.Config)
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r.Get("/web/config.json", svc.Config)
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r.Route("/branding/logo", func(r chi.Router) {
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r.Use(middleware.ExtractAccountUUID(
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account.Logger(options.Logger),
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account.JWTSecret(options.Config.TokenManager.JWTSecret),
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))
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r.Post("/", themeService.LogoUpload)
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r.Delete("/", themeService.LogoReset)
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})
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r.Route("/themes", func(r chi.Router) {
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r.Get("/{id}/theme.json", themeService.Get)
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r.Mount("/", svc.Static(
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options.ThemeFS.IOFS(),
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path.Join(svc.config.HTTP.Root, "/themes"),
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options.Config.HTTP.CacheTTL,
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))
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})
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r.Mount(options.AppsHTTPEndpoint, svc.Static(
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options.AppFS,
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path.Join(svc.config.HTTP.Root, options.AppsHTTPEndpoint),
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options.Config.HTTP.CacheTTL,
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))
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r.Mount("/", svc.Static(
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svc.coreFS,
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svc.config.HTTP.Root,
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options.Config.HTTP.CacheTTL,
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))
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})
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_ = chi.Walk(m, func(method string, route string, handler http.Handler, middlewares ...func(http.Handler) http.Handler) error {
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options.Logger.Debug().Str("method", method).Str("route", route).Int("middlewares", len(middlewares)).Msg("serving endpoint")
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return nil
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})
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return svc, nil
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}
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// Web defines the handlers for the web service.
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type Web struct {
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logger log.Logger
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config *config.Config
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mux *chi.Mux
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coreFS fs.FS
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themeFS *fsx.FallbackFS
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gatewaySelector pool.Selectable[gateway.GatewayAPIClient]
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}
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// ServeHTTP implements the Service interface.
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func (p Web) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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p.mux.ServeHTTP(w, r)
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}
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func (p Web) getPayload() (payload []byte, err error) {
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// render dynamically using config
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// build theme url
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if themeServer, err := url.Parse(p.config.Web.ThemeServer); err == nil {
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p.config.Web.Config.Theme = themeServer.String() + p.config.Web.ThemePath
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} else {
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p.config.Web.Config.Theme = p.config.Web.ThemePath
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}
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// make apps render as empty array if it is empty
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// TODO remove once https://github.com/golang/go/issues/27589 is fixed
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if len(p.config.Web.Config.Apps) == 0 {
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p.config.Web.Config.Apps = make([]string, 0)
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}
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// ensure that the server url has a trailing slash
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p.config.Web.Config.Server = strings.TrimRight(p.config.Web.Config.Server, "/") + "/"
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return json.Marshal(p.config.Web.Config)
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}
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// Config implements the Service interface.
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func (p Web) Config(w http.ResponseWriter, _ *http.Request) {
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payload, err := p.getPayload()
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if err != nil {
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http.Error(w, ErrConfigInvalid, http.StatusUnprocessableEntity)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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if _, err := w.Write(payload); err != nil {
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p.logger.Error().Err(err).Msg("could not write config response")
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}
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}
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// Static simply serves all static files.
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func (p Web) Static(f fs.FS, root string, ttl int) http.HandlerFunc {
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rootWithSlash := root
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if !strings.HasSuffix(rootWithSlash, "/") {
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rootWithSlash = rootWithSlash + "/"
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}
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static := http.StripPrefix(
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rootWithSlash,
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assets.FileServer(f),
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)
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lastModified := time.Now().UTC().Format(http.TimeFormat)
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expires := time.Now().Add(time.Second * time.Duration(ttl)).UTC().Format(http.TimeFormat)
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return func(w http.ResponseWriter, r *http.Request) {
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if rootWithSlash != "/" && r.URL.Path == p.config.HTTP.Root {
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http.Redirect(
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w,
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r,
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rootWithSlash,
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http.StatusMovedPermanently,
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)
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return
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}
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w.Header().Set("Cache-Control", "max-age="+strconv.Itoa(ttl))
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w.Header().Set("Expires", expires)
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w.Header().Set("Last-Modified", lastModified)
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w.Header().Set("SameSite", "Strict")
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static.ServeHTTP(w, r)
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}
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}
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