diff options
| -rw-r--r-- | .gitignore | 5 | ||||
| -rw-r--r-- | config.toml | 23 | ||||
| -rw-r--r-- | frontend/templates/index.tmpl | 11 | ||||
| -rw-r--r-- | go.mod | 16 | ||||
| -rw-r--r-- | go.sum | 46 | ||||
| -rw-r--r-- | gomod2nix.toml | 30 | ||||
| -rw-r--r-- | internal/config/config.go | 51 | ||||
| -rw-r--r-- | internal/config/csp.go | 45 | ||||
| -rw-r--r-- | internal/server/headers.go | 17 | ||||
| -rw-r--r-- | internal/server/logging.go | 55 | ||||
| -rw-r--r-- | internal/server/server.go | 175 | ||||
| -rw-r--r-- | justfile | 3 | ||||
| -rw-r--r-- | serve/main.go | 66 | ||||
| -rw-r--r-- | shell.nix | 1 |
14 files changed, 544 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore index 2368a38..ebdb921 100644 --- a/.gitignore +++ b/.gitignore @@ -15,6 +15,7 @@ !/README.md !/LICENSE !/justfile +!/config.toml !/nix !*.nix @@ -25,5 +26,9 @@ !/gomod2nix.toml !*.go +!*.tmpl +!*.js +!/frontend + # ...even if they are in subdirectories !*/ diff --git a/config.toml b/config.toml new file mode 100644 index 0000000..cdbe7d1 --- /dev/null +++ b/config.toml @@ -0,0 +1,23 @@ +base_url = "https://searchix.alanpearce.eu" + +[content-security-policy] +default-src = [ + "'none'", +] +image-src = [ + "'self'", + "http://gc.zgo.at", +] +script-src = [ + "'self'", + "http://gc.zgo.at", +] +style-src = [ + "'unsafe-inline'", +] +require-trusted-types-for = [ + "'script'", +] + +[headers] +x-content-type-options = "nosniff" diff --git a/frontend/templates/index.tmpl b/frontend/templates/index.tmpl new file mode 100644 index 0000000..fd9cc8f --- /dev/null +++ b/frontend/templates/index.tmpl @@ -0,0 +1,11 @@ +<!doctype html> +<html lang="en-GB"> + <head> + <meta charset="UTF-8" /> + <title>Searchix</title> + </head> + <body> + <h1>Searchix</h1> + {{ .LiveReload }} + </body> +</html> diff --git a/go.mod b/go.mod index dcd2a6c..ac4a28b 100644 --- a/go.mod +++ b/go.mod @@ -1,3 +1,19 @@ module searchix go 1.22.2 + +require ( + github.com/ardanlabs/conf/v3 v3.1.7 + github.com/crewjam/csp v0.0.2 + github.com/getsentry/sentry-go v0.27.0 + github.com/osdevisnot/sorvor v0.4.4 + github.com/pelletier/go-toml/v2 v2.2.1 + github.com/pkg/errors v0.9.1 + github.com/shengyanli1982/law v0.1.15 +) + +require ( + github.com/google/go-cmp v0.6.0 // indirect + golang.org/x/sys v0.19.0 // indirect + golang.org/x/text v0.14.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..0869ec4 --- /dev/null +++ b/go.sum @@ -0,0 +1,46 @@ +github.com/ardanlabs/conf/v3 v3.1.7 h1:p232cF68TafoA5U9ZlbxUIhGJtGNdKHBXF80Fdqb5t0= +github.com/ardanlabs/conf/v3 v3.1.7/go.mod h1:zclexWKe0NVj6LHQ8NgDDZ7bQ1spE0KeKPFficdtAjU= +github.com/crewjam/csp v0.0.2 h1:fIq6o0Z6bkABlvLT3kB0XgPnVX9iNXSAGMILs6AqHVw= +github.com/crewjam/csp v0.0.2/go.mod h1:0tirp4wHwMLZZtV+HXRqGFkUO7uD2ux+1ECvK+7/xFI= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +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/evanw/esbuild v0.14.11/go.mod h1:GG+zjdi59yh3ehDn4ZWfPcATxjPDUH53iU4ZJbp7dkY= +github.com/getsentry/sentry-go v0.27.0 h1:Pv98CIbtB3LkMWmXi4Joa5OOcwbmnX88sF5qbK3r3Ps= +github.com/getsentry/sentry-go v0.27.0/go.mod h1:lc76E2QywIyW8WuBnwl8Lc4bkmQH4+w1gwTf25trprY= +github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA= +github.com/go-errors/errors v1.4.2/go.mod h1:sIVyrIiJhuEF+Pj9Ebtd6P/rEYROXFi3BopGUQ5a5Og= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= +github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/osdevisnot/sorvor v0.4.4 h1:hcMWsWOKpUtDUE3F7dra1Jf12ftLHfgDcxlyPeVlz0Y= +github.com/osdevisnot/sorvor v0.4.4/go.mod h1:D/j+vvJEmjIXndJf37uwFWD0Hjcq9DiGojyt4yMo7H0= +github.com/pelletier/go-toml/v2 v2.2.1 h1:9TA9+T8+8CUCO2+WYnDLCgrYi9+omqKXyjDtosvtEhg= +github.com/pelletier/go-toml/v2 v2.2.1/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs= +github.com/pingcap/errors v0.11.4 h1:lFuQV/oaUMGcD2tqt+01ROSmJs75VG1ToEOkZIZ4nE4= +github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= +github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= +github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= +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/shengyanli1982/law v0.1.15 h1:puSn0Saa+0ptjszspycfWHPSu0D3kBcU3oEeW83MRIc= +github.com/shengyanli1982/law v0.1.15/go.mod h1:20k9YnOTwilUB4X5Z4S7TIX5Ek1Ok4xfx8V8ZxIWlyM= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= +github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo= +github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA= +github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= +github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= +github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg= +github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY= +golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220111092808-5a964db01320/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o= +golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= +golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= +golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/gomod2nix.toml b/gomod2nix.toml index 43cd4cf..436a69c 100644 --- a/gomod2nix.toml +++ b/gomod2nix.toml @@ -1,3 +1,33 @@ schema = 3 [mod] + [mod."github.com/ardanlabs/conf/v3"] + version = "v3.1.7" + hash = "sha256-7H53l0JN5Q6hkAgBivVQ8lFd03oNmP1IG8ihzLKm2CQ=" + [mod."github.com/crewjam/csp"] + version = "v0.0.2" + hash = "sha256-4vlGmDdQjPiXmueCV51fJH/hRcG8eqhCi9TENCXjzfA=" + [mod."github.com/getsentry/sentry-go"] + version = "v0.27.0" + hash = "sha256-PTkTzVNogqFA/5rc6INLY6RxK5uR1AoJFOO+pOPdE7Q=" + [mod."github.com/google/go-cmp"] + version = "v0.6.0" + hash = "sha256-qgra5jze4iPGP0JSTVeY5qV5AvEnEu39LYAuUCIkMtg=" + [mod."github.com/osdevisnot/sorvor"] + version = "v0.4.4" + hash = "sha256-BhyO7bvwxIdEV+c6Eo1uqahhcgsHiS8nJpg2aT8t+8s=" + [mod."github.com/pelletier/go-toml/v2"] + version = "v2.2.1" + hash = "sha256-gmQ4CTz/MI97D3pYqU7mpxqo8gBTDccQ1Cp0lAMmJUc=" + [mod."github.com/pkg/errors"] + version = "v0.9.1" + hash = "sha256-mNfQtcrQmu3sNg/7IwiieKWOgFQOVVe2yXgKBpe/wZw=" + [mod."github.com/shengyanli1982/law"] + version = "v0.1.15" + hash = "sha256-Z5G3PtR7V0d04MN+kBge33Pv6VDjJryx+N7JGJkzfLQ=" + [mod."golang.org/x/sys"] + version = "v0.19.0" + hash = "sha256-cmuL31TYLJmDm/fDnI2Sn0wB88cpdOHV1+urorsJWx4=" + [mod."golang.org/x/text"] + version = "v0.14.0" + hash = "sha256-yh3B0tom1RfzQBf1RNmfdNWF1PtiqxV41jW1GVS6JAg=" diff --git a/internal/config/config.go b/internal/config/config.go new file mode 100644 index 0000000..e9300ce --- /dev/null +++ b/internal/config/config.go @@ -0,0 +1,51 @@ +package config + +import ( + "log/slog" + "net/url" + "os" + + "github.com/pelletier/go-toml/v2" + "github.com/pkg/errors" +) + +type URL struct { + *url.URL +} + +func (u *URL) UnmarshalText(text []byte) (err error) { + u.URL, err = url.Parse(string(text)) + + if err != nil { + return errors.WithMessage(err, "could not parse URL") + } + + return nil +} + +type Config struct { + BaseURL URL `toml:"base_url"` + CSP *CSP `toml:"content-security-policy"` + Headers map[string]string +} + +func GetConfig() (*Config, error) { + config := Config{} + slog.Debug("reading config.toml") + file, err := os.Open("config.toml") + if err != nil { + return nil, errors.WithMessage(err, "error reading configuration") + } + dec := toml.NewDecoder(file) + err = dec.Decode(&config) + if err != nil { + var tomlError toml.DecodeError + if errors.As(err, &tomlError) { + return nil, errors.WithMessage(err, tomlError.Error()) + } + + return nil, errors.Wrap(err, "config error") + } + + return &config, nil +} diff --git a/internal/config/csp.go b/internal/config/csp.go new file mode 100644 index 0000000..970663c --- /dev/null +++ b/internal/config/csp.go @@ -0,0 +1,45 @@ +package config + +// Code generated DO NOT EDIT. + +import ( + "github.com/crewjam/csp" +) + +type CSP struct { + BaseURI []string `csp:"base-uri" toml:"base-uri"` + BlockAllMixedContent bool `csp:"block-all-mixed-content" toml:"block-all-mixed-content"` + ChildSrc []string `csp:"child-src" toml:"child-src"` + ConnectSrc []string `csp:"connect-src" toml:"connect-src"` + DefaultSrc []string `csp:"default-src" toml:"default-src"` + FontSrc []string `csp:"font-src" toml:"font-src"` + FormAction []string `csp:"form-action" toml:"form-action"` + FrameAncestors []string `csp:"frame-ancestors" toml:"frame-ancestors"` + FrameSrc []string `csp:"frame-src" toml:"frame-src"` + ImgSrc []string `csp:"img-src" toml:"img-src"` + ManifestSrc []string `csp:"manifest-src" toml:"manifest-src"` + MediaSrc []string `csp:"media-src" toml:"media-src"` + NavigateTo []string `csp:"navigate-to" toml:"navigate-to"` + ObjectSrc []string `csp:"object-src" toml:"object-src"` + PluginTypes []string `csp:"plugin-types" toml:"plugin-types"` + PrefetchSrc []string `csp:"prefetch-src" toml:"prefetch-src"` + Referrer csp.ReferrerPolicy `csp:"referrer" toml:"referrer"` + ReportTo string `csp:"report-to" toml:"report-to"` + ReportURI string `csp:"report-uri" toml:"report-uri"` + RequireSRIFor []csp.RequireSRIFor `csp:"require-sri-for" toml:"require-sri-for"` + RequireTrustedTypesFor []csp.RequireTrustedTypesFor `csp:"require-trusted-types-for" toml:"require-trusted-types-for"` + Sandbox csp.Sandbox `csp:"sandbox" toml:"sandbox"` + ScriptSrc []string `csp:"script-src" toml:"script-src"` + ScriptSrcAttr []string `csp:"script-src-attr" toml:"script-src-attr"` + ScriptSrcElem []string `csp:"script-src-elem" toml:"script-src-elem"` + StyleSrc []string `csp:"style-src" toml:"style-src"` + StyleSrcAttr []string `csp:"style-src-attr" toml:"style-src-attr"` + StyleSrcElem []string `csp:"style-src-elem" toml:"style-src-elem"` + TrustedTypes []string `csp:"trusted-types" toml:"trusted-types"` + UpgradeInsecureRequests bool `csp:"upgrade-insecure-requests" toml:"upgrade-insecure-requests"` + WorkerSrc []string `csp:"worker-src" toml:"worker-src"` +} + +func (c *CSP) String() string { + return csp.Header(*c).String() +} diff --git a/internal/server/headers.go b/internal/server/headers.go new file mode 100644 index 0000000..0efc384 --- /dev/null +++ b/internal/server/headers.go @@ -0,0 +1,17 @@ +package server + +import ( + "net/http" + cfg "searchix/internal/config" +) + +func AddHeadersMiddleware(next http.Handler, config *cfg.Config) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + for h, v := range config.Headers { + w.Header().Add(h, v) + } + w.Header().Add("Content-Security-Policy", config.CSP.String()) + + next.ServeHTTP(w, r) + }) +} diff --git a/internal/server/logging.go b/internal/server/logging.go new file mode 100644 index 0000000..6a16f42 --- /dev/null +++ b/internal/server/logging.go @@ -0,0 +1,55 @@ +package server + +import ( + "fmt" + "io" + "net/http" +) + +type LoggingResponseWriter struct { + http.ResponseWriter + statusCode int +} + +func (lrw *LoggingResponseWriter) WriteHeader(code int) { + lrw.statusCode = code + // avoids warning: superfluous response.WriteHeader call + if lrw.statusCode != http.StatusOK { + lrw.ResponseWriter.WriteHeader(code) + } +} + +func NewLoggingResponseWriter(w http.ResponseWriter) *LoggingResponseWriter { + return &LoggingResponseWriter{w, http.StatusOK} +} + +type wrappedHandlerOptions struct { + defaultHostname string + logger io.Writer +} + +func wrapHandlerWithLogging(wrappedHandler http.Handler, opts wrappedHandlerOptions) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + scheme := r.Header.Get("X-Forwarded-Proto") + if scheme == "" { + scheme = "http" + } + host := r.Header.Get("Host") + if host == "" { + host = opts.defaultHostname + } + lw := NewLoggingResponseWriter(w) + wrappedHandler.ServeHTTP(lw, r) + statusCode := lw.statusCode + fmt.Fprintf( + opts.logger, + "%s %s %d %s %s %s\n", + scheme, + r.Method, + statusCode, + host, + r.URL.Path, + lw.Header().Get("Location"), + ) + }) +} diff --git a/internal/server/server.go b/internal/server/server.go new file mode 100644 index 0000000..fc56d47 --- /dev/null +++ b/internal/server/server.go @@ -0,0 +1,175 @@ +package server + +import ( + "context" + "html/template" + "io" + "log" + "log/slog" + "net" + "net/http" + "os" + "path" + "slices" + "time" + + cfg "searchix/internal/config" + + "github.com/getsentry/sentry-go" + sentryhttp "github.com/getsentry/sentry-go/http" + "github.com/osdevisnot/sorvor/pkg/livereload" + "github.com/pkg/errors" + "github.com/shengyanli1982/law" +) + +var config *cfg.Config + +var ( + CommitSHA string + ShortSHA string +) + +type Config struct { + Production bool `conf:"default:false"` + InDevServer bool `conf:"default:false"` + LiveReload bool `conf:"default:false,flag:live"` + Root string `conf:"default:website"` + ListenAddress string `conf:"default:localhost"` + Port string `conf:"default:3000,short:p"` + BaseURL cfg.URL `conf:"default:http://localhost:3000,short:b"` +} + +type HTTPError struct { + Error error + Message string + Code int +} + +type Server struct { + *http.Server +} + +const jsSnippet = template.HTML(livereload.JsSnippet) // #nosec G203 + +type TemplateData struct { + LiveReload template.HTML + Data map[string]interface{} +} + +func applyDevModeOverrides(config *cfg.Config) { + config.CSP.ScriptSrc = slices.Insert(config.CSP.ScriptSrc, 0, "'unsafe-inline'") + config.CSP.ConnectSrc = slices.Insert(config.CSP.ConnectSrc, 0, "'self'") +} + +func New(runtimeConfig *Config) (*Server, error) { + var err error + config, err = cfg.GetConfig() + if err != nil { + return nil, errors.WithMessage(err, "error parsing configuration file") + } + + env := "development" + if runtimeConfig.Production { + env = "production" + } + err = sentry.Init(sentry.ClientOptions{ + EnableTracing: true, + TracesSampleRate: 1.0, + Dsn: os.Getenv("SENTRY_DSN"), + Release: CommitSHA, + Environment: env, + }) + if err != nil { + return nil, errors.WithMessage(err, "could not set up sentry") + } + defer sentry.Flush(2 * time.Second) + sentryHandler := sentryhttp.New(sentryhttp.Options{ + Repanic: true, + }) + + tpl := template.Must(template.ParseGlob(path.Join("frontend", "templates", "*.tmpl"))) + + top := http.NewServeMux() + mux := http.NewServeMux() + mux.HandleFunc("/", func(w http.ResponseWriter, _ *http.Request) { + tdata := TemplateData{ + LiveReload: jsSnippet, + Data: make(map[string]interface{}), + } + err := tpl.Execute(w, tdata) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + } + }) + + mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("frontend/static")))) + + if runtimeConfig.LiveReload { + applyDevModeOverrides(config) + liveReload := livereload.New() + liveReload.Start() + mux.Handle("/livereload", liveReload) + // liveReload.Reload() + } + + var logWriter io.Writer + if runtimeConfig.Production { + logWriter = law.NewWriteAsyncer(os.Stdout, nil) + } else { + logWriter = os.Stdout + } + top.Handle("/", + AddHeadersMiddleware( + sentryHandler.Handle( + wrapHandlerWithLogging(mux, wrappedHandlerOptions{ + defaultHostname: runtimeConfig.BaseURL.Hostname(), + logger: logWriter, + }), + ), + config, + ), + ) + // no logging, no sentry + top.HandleFunc("/health", func(w http.ResponseWriter, _ *http.Request) { + w.WriteHeader(http.StatusOK) + }) + + listenAddress := net.JoinHostPort(runtimeConfig.ListenAddress, runtimeConfig.Port) + + return &Server{ + &http.Server{ + Addr: listenAddress, + Handler: top, + ReadHeaderTimeout: 20 * time.Second, + }, + }, nil +} + +func (s *Server) Start() error { + if err := s.ListenAndServe(); err != http.ErrServerClosed { + return errors.WithMessage(err, "could not start server") + } + + return nil +} + +func (s *Server) Stop() chan struct{} { + slog.Debug("stop called") + + idleConnsClosed := make(chan struct{}) + + go func() { + slog.Debug("shutting down server") + ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) + defer cancel() + err := s.Server.Shutdown(ctx) + slog.Debug("server shut down") + if err != nil { + // Error from closing listeners, or context timeout: + log.Printf("HTTP server Shutdown: %v", err) + } + close(idleConnsClosed) + }() + + return idleConnsClosed +} diff --git a/justfile b/justfile index 8054509..d78325f 100644 --- a/justfile +++ b/justfile @@ -14,3 +14,6 @@ fix: precommit: nix-build -A pre-commit-check + +dev: + wgo run ./serve/ diff --git a/serve/main.go b/serve/main.go index 7905807..6b55977 100644 --- a/serve/main.go +++ b/serve/main.go @@ -1,5 +1,71 @@ package main +import ( + "fmt" + "log" + "log/slog" + "os" + "os/signal" + "sync" + + "searchix/internal/server" + + "github.com/ardanlabs/conf/v3" + "github.com/pkg/errors" +) + +var ( + CommitSHA string + ShortSHA string +) + func main() { + if os.Getenv("DEBUG") != "" { + slog.SetLogLoggerLevel(slog.LevelDebug) + } + log.SetFlags(log.LstdFlags | log.Lmsgprefix) + log.SetPrefix("searchix: ") + + runtimeConfig := server.Config{} + help, err := conf.Parse("", &runtimeConfig) + if err != nil { + if errors.Is(err, conf.ErrHelpWanted) { + fmt.Println(help) + os.Exit(1) + } + log.Panicf("parsing runtime configuration: %v", err) + } + + c := make(chan os.Signal, 2) + signal.Notify(c, os.Interrupt) + sv, err := server.New(&runtimeConfig) + if err != nil { + log.Fatalf("error setting up server: %v", err) + } + wg := &sync.WaitGroup{} + wg.Add(1) + go func() { + defer wg.Done() + sig := <-c + log.Printf("signal captured: %v", sig) + <-sv.Stop() + slog.Debug("server stopped") + }() + + sErr := make(chan error) + wg.Add(1) + go func() { + defer wg.Done() + sErr <- sv.Start() + }() + if !runtimeConfig.InDevServer { + log.Printf("server listening on %s", sv.Addr) + } + err = <-sErr + if err != nil { + // Error starting or closing listener: + log.Fatalf("error: %v", err) + } + wg.Wait() } diff --git a/shell.nix b/shell.nix index ae73c6b..2c635ad 100644 --- a/shell.nix +++ b/shell.nix @@ -20,6 +20,7 @@ pkgs.mkShell { packages = with pkgs; [ goEnv + wgo gomod2nix niv nixpkgs-lint |