mirror of https://github.com/hrfee/jfa-go.git
521 lines
15 KiB
Go
521 lines
15 KiB
Go
package main
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import (
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"context"
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"crypto/rand"
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"encoding/base64"
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"encoding/json"
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"net"
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"net/http"
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"os"
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"os/exec"
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"os/signal"
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"path/filepath"
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"runtime"
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"time"
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"github.com/gin-contrib/pprof"
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"github.com/gin-contrib/static"
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"github.com/gin-gonic/gin"
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"github.com/lithammer/shortuuid/v3"
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"gopkg.in/ini.v1"
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)
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// Username is JWT!
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type User struct {
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UserID string `json:"id"`
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Username string `json:"username"`
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Password string `json:"password"`
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}
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type appContext struct {
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// defaults *Config
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config *ini.File
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config_path string
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configBase_path string
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configBase map[string]interface{}
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data_path string
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local_path string
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cssFile string
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bsVersion int
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jellyfinLogin bool
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users []User
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invalidTokens []string
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jf *Jellyfin
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authJf *Jellyfin
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ombi *Ombi
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datePattern string
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timePattern string
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storage Storage
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validator Validator
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email Emailer
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info, debug, err *log.Logger
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host string
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port int
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version string
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quit chan os.Signal
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}
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func GenerateSecret(length int) (string, error) {
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bytes := make([]byte, length)
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_, err := rand.Read(bytes)
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if err != nil {
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return "", err
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}
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return base64.URLEncoding.EncodeToString(bytes), err
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}
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func setGinLogger(router *gin.Engine, debugMode bool) {
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if debugMode {
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router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
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return fmt.Sprintf("[GIN/DEBUG] %s: %s(%s) => %d in %s; %s\n",
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param.TimeStamp.Format("15:04:05"),
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param.Method,
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param.Path,
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param.StatusCode,
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param.Latency,
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func() string {
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if param.ErrorMessage != "" {
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return "Error: " + param.ErrorMessage
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}
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return ""
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}(),
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)
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}))
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} else {
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router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
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return fmt.Sprintf("[GIN] %s(%s) => %d\n",
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param.Method,
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param.Path,
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param.StatusCode,
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)
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}))
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}
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}
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var (
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PLATFORM string = runtime.GOOS
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SOCK string = "jfa-go.sock"
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SRV *http.Server
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RESTART chan bool
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DATA, CONFIG, HOST *string
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PORT *int
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DEBUG *bool
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)
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func start(asDaemon, firstCall bool) {
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// app encompasses essentially all useful functions.
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app := new(appContext)
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/*
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set default config, data and local paths
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also, confusing naming here. data_path is not the internal 'data' directory, rather the users .config/jfa-go folder.
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local_path is the internal 'data' directory.
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*/
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userConfigDir, _ := os.UserConfigDir()
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app.data_path = filepath.Join(userConfigDir, "jfa-go")
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app.config_path = filepath.Join(app.data_path, "config.ini")
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executable, _ := os.Executable()
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app.local_path = filepath.Join(filepath.Dir(executable), "data")
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app.info = log.New(os.Stdout, "[INFO] ", log.Ltime)
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app.err = log.New(os.Stdout, "[ERROR] ", log.Ltime|log.Lshortfile)
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if firstCall {
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DATA = flag.String("data", app.data_path, "alternate path to data directory.")
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CONFIG = flag.String("config", app.config_path, "alternate path to config file.")
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HOST = flag.String("host", "", "alternate address to host web ui on.")
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PORT = flag.Int("port", 0, "alternate port to host web ui on.")
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DEBUG = flag.Bool("debug", false, "Enables debug logging and exposes pprof.")
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flag.Parse()
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}
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// attempt to apply command line flags correctly
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if app.config_path == *CONFIG && app.data_path != *DATA {
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app.data_path = *DATA
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app.config_path = filepath.Join(app.data_path, "config.ini")
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} else if app.config_path != *CONFIG && app.data_path == *DATA {
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app.config_path = *CONFIG
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} else {
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app.config_path = *CONFIG
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app.data_path = *DATA
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}
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// env variables are necessary because syscall.Exec for self-restarts doesn't doesn't work with arguments for some reason.
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if v := os.Getenv("JFA_CONFIGPATH"); v != "" {
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app.config_path = v
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}
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if v := os.Getenv("JFA_DATAPATH"); v != "" {
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app.data_path = v
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}
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os.Setenv("JFA_CONFIGPATH", app.config_path)
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os.Setenv("JFA_DATAPATH", app.data_path)
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var firstRun bool
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if _, err := os.Stat(app.data_path); os.IsNotExist(err) {
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os.Mkdir(app.data_path, 0700)
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}
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if _, err := os.Stat(app.config_path); os.IsNotExist(err) {
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firstRun = true
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dConfigPath := filepath.Join(app.local_path, "config-default.ini")
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var dConfig *os.File
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dConfig, err = os.Open(dConfigPath)
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if err != nil {
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app.err.Fatalf("Couldn't find default config file \"%s\"", dConfigPath)
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}
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defer dConfig.Close()
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var nConfig *os.File
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nConfig, err := os.Create(app.config_path)
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if err != nil {
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app.err.Fatalf("Couldn't open config file for writing: \"%s\"", app.config_path)
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}
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defer nConfig.Close()
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_, err = io.Copy(nConfig, dConfig)
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if err != nil {
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app.err.Fatalf("Couldn't copy default config. To do this manually, copy\n%s\nto\n%s", dConfigPath, app.config_path)
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}
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app.info.Printf("Copied default configuration to \"%s\"", app.config_path)
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}
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var debugMode bool
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var address string
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if app.loadConfig() != nil {
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app.err.Fatalf("Failed to load config file \"%s\"", app.config_path)
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}
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app.version = app.config.Section("jellyfin").Key("version").String()
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// read from config...
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debugMode = app.config.Section("ui").Key("debug").MustBool(false)
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// then from flag
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if *DEBUG {
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debugMode = true
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}
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if debugMode {
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app.info.Println("WARNING: Don't use debug mode in production, as it exposes pprof on the network.")
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app.debug = log.New(os.Stdout, "[DEBUG] ", log.Ltime|log.Lshortfile)
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} else {
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app.debug = log.New(ioutil.Discard, "", 0)
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}
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if asDaemon {
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go func() {
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socket := SOCK
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os.Remove(socket)
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listener, err := net.Listen("unix", socket)
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if err != nil {
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app.err.Fatalf("Couldn't establish socket connection at %s\n", SOCK)
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}
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt)
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go func() {
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<-c
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os.Remove(socket)
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os.Exit(1)
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}()
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defer func() {
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listener.Close()
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os.Remove(SOCK)
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}()
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for {
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con, err := listener.Accept()
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if err != nil {
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app.err.Printf("Couldn't read message on %s: %s", socket, err)
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continue
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}
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buf := make([]byte, 512)
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nr, err := con.Read(buf)
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if err != nil {
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app.err.Printf("Couldn't read message on %s: %s", socket, err)
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continue
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}
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command := string(buf[0:nr])
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if command == "stop" {
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app.shutdown()
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}
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}
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}()
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}
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if !firstRun {
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app.host = app.config.Section("ui").Key("host").String()
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app.port = app.config.Section("ui").Key("port").MustInt(8056)
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if *HOST != app.host && *HOST != "" {
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app.host = *HOST
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}
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if *PORT != app.port && *PORT > 0 {
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app.port = *PORT
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}
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if h := os.Getenv("JFA_HOST"); h != "" {
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app.host = h
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if p := os.Getenv("JFA_PORT"); p != "" {
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var port int
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_, err := fmt.Sscan(p, &port)
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if err == nil {
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app.port = port
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}
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}
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}
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address = fmt.Sprintf("%s:%d", app.host, app.port)
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app.debug.Printf("Loaded config file \"%s\"", app.config_path)
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if app.config.Section("ui").Key("bs5").MustBool(false) {
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app.cssFile = "bs5-jf.css"
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app.bsVersion = 5
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} else {
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app.cssFile = "bs4-jf.css"
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app.bsVersion = 4
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}
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app.debug.Println("Loading storage")
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// app.storage.invite_path = filepath.Join(app.data_path, "invites.json")
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app.storage.invite_path = app.config.Section("files").Key("invites").String()
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app.storage.loadInvites()
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// app.storage.emails_path = filepath.Join(app.data_path, "emails.json")
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app.storage.emails_path = app.config.Section("files").Key("emails").String()
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app.storage.loadEmails()
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// app.storage.policy_path = filepath.Join(app.data_path, "user_template.json")
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app.storage.policy_path = app.config.Section("files").Key("user_template").String()
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app.storage.loadPolicy()
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// app.storage.configuration_path = filepath.Join(app.data_path, "user_configuration.json")
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app.storage.policy_path = app.config.Section("files").Key("user_configuration").String()
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app.storage.loadConfiguration()
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// app.storage.displayprefs_path = filepath.Join(app.data_path, "user_displayprefs.json")
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app.storage.displayprefs_path = app.config.Section("files").Key("user_displayprefs").String()
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app.storage.loadDisplayprefs()
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if app.config.Section("ombi").Key("enabled").MustBool(false) {
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app.storage.ombi_path = app.config.Section("files").Key("ombi_template").String()
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app.storage.loadOmbiTemplate()
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app.ombi = newOmbi(
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app.config.Section("ombi").Key("server").String(),
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app.config.Section("ombi").Key("api_key").String(),
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true,
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)
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}
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app.configBase_path = filepath.Join(app.local_path, "config-base.json")
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config_base, _ := ioutil.ReadFile(app.configBase_path)
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json.Unmarshal(config_base, &app.configBase)
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themes := map[string]string{
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"Jellyfin (Dark)": fmt.Sprintf("bs%d-jf.css", app.bsVersion),
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"Bootstrap (Light)": fmt.Sprintf("bs%d.css", app.bsVersion),
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"Custom CSS": "",
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}
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if val, ok := themes[app.config.Section("ui").Key("theme").String()]; ok {
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app.cssFile = val
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}
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app.debug.Printf("Using css file \"%s\"", app.cssFile)
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secret, err := GenerateSecret(16)
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if err != nil {
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app.err.Fatal(err)
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}
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os.Setenv("JFA_SECRET", secret)
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app.jellyfinLogin = true
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if val, _ := app.config.Section("ui").Key("jellyfin_login").Bool(); !val {
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app.jellyfinLogin = false
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user := User{}
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user.UserID = shortuuid.New()
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user.Username = app.config.Section("ui").Key("username").String()
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user.Password = app.config.Section("ui").Key("password").String()
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app.users = append(app.users, user)
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} else {
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app.debug.Println("Using Jellyfin for authentication")
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}
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server := app.config.Section("jellyfin").Key("server").String()
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app.jf, _ = newJellyfin(server, "jfa-go", app.version, "hrfee-arch", "hrfee-arch")
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var status int
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_, status, err = app.jf.authenticate(app.config.Section("jellyfin").Key("username").String(), app.config.Section("jellyfin").Key("password").String())
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if status != 200 || err != nil {
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app.err.Fatalf("Failed to authenticate with Jellyfin @ %s: Code %d", server, status)
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}
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app.info.Printf("Authenticated with %s", server)
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app.authJf, _ = newJellyfin(server, "jfa-go", app.version, "auth", "auth")
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app.loadStrftime()
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validatorConf := ValidatorConf{
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"characters": app.config.Section("password_validation").Key("min_length").MustInt(0),
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"uppercase characters": app.config.Section("password_validation").Key("upper").MustInt(0),
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"lowercase characters": app.config.Section("password_validation").Key("lower").MustInt(0),
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"numbers": app.config.Section("password_validation").Key("number").MustInt(0),
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"special characters": app.config.Section("password_validation").Key("special").MustInt(0),
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}
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if !app.config.Section("password_validation").Key("enabled").MustBool(false) {
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for key := range validatorConf {
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validatorConf[key] = 0
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}
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}
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app.validator.init(validatorConf)
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app.email.init(app)
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inviteDaemon := NewRepeater(time.Duration(60*time.Second), app)
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go inviteDaemon.Run()
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if app.config.Section("password_resets").Key("enabled").MustBool(false) {
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go app.StartPWR()
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}
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} else {
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debugMode = false
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address = "0.0.0.0:8056"
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}
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app.info.Println("Loading routes")
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if debugMode {
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gin.SetMode(gin.DebugMode)
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} else {
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gin.SetMode(gin.ReleaseMode)
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}
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router := gin.New()
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setGinLogger(router, debugMode)
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router.Use(gin.Recovery())
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router.Use(static.Serve("/", static.LocalFile(filepath.Join(app.local_path, "static"), false)))
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router.LoadHTMLGlob(filepath.Join(app.local_path, "templates", "*"))
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router.NoRoute(app.NoRouteHandler)
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if debugMode {
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app.debug.Println("Loading pprof")
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pprof.Register(router)
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}
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if !firstRun {
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router.GET("/", app.AdminPage)
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router.GET("/getToken", app.getToken)
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router.POST("/newUser", app.NewUser)
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router.Use(static.Serve("/invite/", static.LocalFile(filepath.Join(app.local_path, "static"), false)))
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router.GET("/invite/:invCode", app.InviteProxy)
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api := router.Group("/", app.webAuth())
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router.POST("/logout", app.Logout)
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api.POST("/generateInvite", app.GenerateInvite)
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api.GET("/getInvites", app.GetInvites)
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api.POST("/setNotify", app.SetNotify)
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api.POST("/deleteInvite", app.DeleteInvite)
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api.GET("/getUsers", app.GetUsers)
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api.POST("/modifyUsers", app.ModifyEmails)
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api.POST("/setDefaults", app.SetDefaults)
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api.GET("/getConfig", app.GetConfig)
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api.POST("/modifyConfig", app.ModifyConfig)
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if app.config.Section("ombi").Key("enabled").MustBool(false) {
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api.GET("/getOmbiUsers", app.OmbiUsers)
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api.POST("/setOmbiDefaults", app.SetOmbiDefaults)
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}
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app.info.Printf("Starting router @ %s", address)
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} else {
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windows := false
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if PLATFORM == "windows" {
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windows = true
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}
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router.GET("/", func(gc *gin.Context) {
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gc.HTML(200, "setup.html", gin.H{
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"windows": windows,
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})
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})
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router.POST("/testJF", app.TestJF)
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router.POST("/modifyConfig", app.ModifyConfig)
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app.info.Printf("Loading setup @ %s", address)
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}
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SRV = &http.Server{
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Addr: address,
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Handler: router,
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}
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go func() {
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if err := SRV.ListenAndServe(); err != nil {
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app.err.Printf("Failure serving: %s", err)
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}
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}()
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app.quit = make(chan os.Signal)
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signal.Notify(app.quit, os.Interrupt)
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go func() {
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for range app.quit {
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app.shutdown()
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}
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}()
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for range RESTART {
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cntx, cancel := context.WithTimeout(context.Background(), time.Second*5)
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defer cancel()
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if err := SRV.Shutdown(cntx); err != nil {
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app.err.Fatalf("Server shutdown error: %s", err)
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}
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return
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}
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}
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func (app *appContext) shutdown() {
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app.info.Println("Shutting down...")
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cntx, cancel := context.WithTimeout(context.Background(), time.Second*5)
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defer cancel()
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if err := SRV.Shutdown(cntx); err != nil {
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app.err.Fatalf("Server shutdown error: %s", err)
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}
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os.Exit(1)
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}
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func flagPassed(name string) (found bool) {
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for _, f := range os.Args {
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if f == name {
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found = true
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}
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}
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return
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}
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func main() {
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fmt.Printf("jfa-go version: %s (%s)\n", VERSION, COMMIT)
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folder := "/tmp"
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if PLATFORM == "windows" {
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folder = os.Getenv("TEMP")
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}
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SOCK = filepath.Join(folder, SOCK)
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fmt.Println(SOCK)
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if flagPassed("start") {
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args := []string{}
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for i, f := range os.Args {
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if f == "start" {
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args = append(args, "daemon")
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} else if i != 0 {
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args = append(args, f)
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}
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}
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cmd := exec.Command(os.Args[0], args...)
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cmd.Start()
|
|
os.Exit(1)
|
|
} else if flagPassed("stop") {
|
|
con, err := net.Dial("unix", SOCK)
|
|
if err != nil {
|
|
fmt.Printf("Couldn't dial socket %s, are you sure jfa-go is running?\n", SOCK)
|
|
os.Exit(1)
|
|
}
|
|
_, err = con.Write([]byte("stop"))
|
|
if err != nil {
|
|
fmt.Printf("Couldn't send command to socket %s, are you sure jfa-go is running?\n", SOCK)
|
|
os.Exit(1)
|
|
}
|
|
fmt.Println("Sent.")
|
|
} else if flagPassed("daemon") {
|
|
start(true, true)
|
|
} else {
|
|
RESTART = make(chan bool, 1)
|
|
start(false, true)
|
|
for {
|
|
fmt.Printf("jfa-go version: %s (%s)\n", VERSION, COMMIT)
|
|
start(false, false)
|
|
}
|
|
}
|
|
}
|
