383 lines
8.5 KiB
Go
383 lines
8.5 KiB
Go
/*
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*
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* Gosora Main File
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* Copyright Azareal 2016 - 2018
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*
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*/
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package main
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import (
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"time"
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//"runtime/pprof"
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"./common"
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"github.com/fsnotify/fsnotify"
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)
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var version = common.Version{Major: 0, Minor: 1, Patch: 0, Tag: "dev"}
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var router *GenRouter
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var startTime time.Time
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var logWriter = io.MultiWriter(os.Stderr)
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// TODO: Wrap the globals in here so we can pass pointers to them to subpackages
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var globs *Globs
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type Globs struct {
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stmts *Stmts
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}
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func afterDBInit() (err error) {
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common.Rstore, err = common.NewSQLReplyStore()
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if err != nil {
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return err
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}
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common.Prstore, err = common.NewSQLProfileReplyStore()
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if err != nil {
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return err
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}
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err = common.InitTemplates()
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if err != nil {
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return err
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}
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err = common.InitPhrases()
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if err != nil {
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return err
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}
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log.Print("Loading the static files.")
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err = common.StaticFiles.Init()
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if err != nil {
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return err
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}
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log.Print("Initialising the widgets")
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err = common.InitWidgets()
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if err != nil {
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return err
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}
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log.Print("Initialising the authentication system")
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common.Auth, err = common.NewDefaultAuth()
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if err != nil {
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return err
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}
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err = common.LoadWordFilters()
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if err != nil {
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return err
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}
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common.ModLogs, err = common.NewModLogStore()
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if err != nil {
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return err
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}
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common.AdminLogs, err = common.NewAdminLogStore()
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if err != nil {
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return err
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}
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common.IPSearch, err = common.NewDefaultIPSearcher()
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if err != nil {
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return err
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}
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common.Subscriptions, err = common.NewDefaultSubscriptionStore()
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if err != nil {
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return err
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}
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common.Attachments, err = common.NewDefaultAttachmentStore()
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if err != nil {
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return err
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}
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common.GlobalViewCounter, err = common.NewGlobalViewCounter()
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if err != nil {
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return err
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}
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common.AgentViewCounter, err = common.NewDefaultAgentViewCounter()
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if err != nil {
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return err
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}
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common.RouteViewCounter, err = common.NewDefaultRouteViewCounter()
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if err != nil {
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return err
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}
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common.PostCounter, err = common.NewPostCounter()
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if err != nil {
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return err
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}
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common.TopicCounter, err = common.NewTopicCounter()
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if err != nil {
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return err
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}
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common.TopicViewCounter, err = common.NewDefaultTopicViewCounter()
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if err != nil {
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return err
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}
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return nil
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}
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// TODO: Split this function up
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func main() {
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// TODO: Recover from panics
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/*defer func() {
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r := recover()
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if r != nil {
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log.Print(r)
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debug.PrintStack()
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return
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}
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}()*/
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// WIP: Mango Test
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/*res, err := ioutil.ReadFile("./templates/topic.html")
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if err != nil {
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log.Fatal(err)
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}
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tagIndices, err := mangoParse(string(res))
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if err != nil {
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log.Fatal(err)
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}
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log.Printf("tagIndices: %+v\n", tagIndices)
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log.Fatal("")*/
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// TODO: Have a file for each run with the time/date the server started as the file name?
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// TODO: Log panics with recover()
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f, err := os.OpenFile("./ops.log", os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0755)
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if err != nil {
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log.Fatal(err)
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}
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logWriter = io.MultiWriter(os.Stderr, f)
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log.SetOutput(logWriter)
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//if profiling {
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// f, err := os.Create("startup_cpu.prof")
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// if err != nil {
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// log.Fatal(err)
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// }
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// pprof.StartCPUProfile(f)
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//}
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log.Print("Running Gosora v" + version.String())
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fmt.Println("")
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startTime = time.Now()
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log.Print("Processing configuration data")
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err = common.ProcessConfig()
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if err != nil {
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log.Fatal(err)
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}
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err = common.InitThemes()
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if err != nil {
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log.Fatal(err)
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}
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err = InitDatabase()
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if err != nil {
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log.Fatal(err)
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}
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defer db.Close()
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err = afterDBInit()
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if err != nil {
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log.Fatal(err)
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}
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err = common.VerifyConfig()
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if err != nil {
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log.Fatal(err)
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}
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watcher, err := fsnotify.NewWatcher()
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if err != nil {
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log.Fatal(err)
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}
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defer watcher.Close()
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go func() {
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var modifiedFileEvent = func(path string) error {
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var pathBits = strings.Split(path, "\\")
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if len(pathBits) == 0 {
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return nil
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}
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if pathBits[0] == "themes" {
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var themeName string
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if len(pathBits) >= 2 {
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themeName = pathBits[1]
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}
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if len(pathBits) >= 3 && pathBits[2] == "public" {
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// TODO: Handle new themes freshly plopped into the folder?
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theme, ok := common.Themes[themeName]
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if ok {
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return theme.LoadStaticFiles()
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}
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}
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}
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return nil
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}
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var err error
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for {
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select {
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case event := <-watcher.Events:
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log.Println("event:", event)
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// TODO: Handle file deletes (and renames more graciously by removing the old version of it)
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if event.Op&fsnotify.Write == fsnotify.Write {
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log.Println("modified file:", event.Name)
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err = modifiedFileEvent(event.Name)
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} else if event.Op&fsnotify.Create == fsnotify.Create {
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log.Println("new file:", event.Name)
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err = modifiedFileEvent(event.Name)
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}
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if err != nil {
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common.LogError(err)
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}
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case err = <-watcher.Errors:
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common.LogError(err)
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}
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}
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}()
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// TODO: Keep tabs on the (non-resource) theme stuff, and the langpacks
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err = watcher.Add("./public")
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if err != nil {
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log.Fatal(err)
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}
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err = watcher.Add("./templates")
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if err != nil {
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log.Fatal(err)
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}
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for _, theme := range common.Themes {
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err = watcher.Add("./themes/" + theme.Name + "/public")
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if err != nil {
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log.Fatal(err)
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}
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}
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var runTasks = func(tasks []func() error) {
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for _, task := range tasks {
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if task() != nil {
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common.LogError(err)
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}
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}
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}
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// Run this goroutine once every half second
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halfSecondTicker := time.NewTicker(time.Second / 2)
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secondTicker := time.NewTicker(1 * time.Second)
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fifteenMinuteTicker := time.NewTicker(15 * time.Minute)
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//hourTicker := time.NewTicker(1 * time.Hour)
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go func() {
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for {
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select {
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case <-halfSecondTicker.C:
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// TODO: Add a plugin hook here
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runTasks(common.ScheduledHalfSecondTasks)
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// TODO: Add a plugin hook here
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case <-secondTicker.C:
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// TODO: Add a plugin hook here
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runTasks(common.ScheduledSecondTasks)
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// TODO: Stop hard-coding this
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err := common.HandleExpiredScheduledGroups()
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if err != nil {
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common.LogError(err)
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}
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// TODO: Handle delayed moderation tasks
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// Sync with the database, if there are any changes
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err = common.HandleServerSync()
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if err != nil {
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common.LogError(err)
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}
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// TODO: Manage the TopicStore, UserStore, and ForumStore
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// TODO: Alert the admin, if CPU usage, RAM usage, or the number of posts in the past second are too high
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// TODO: Clean-up alerts with no unread matches which are over two weeks old. Move this to a 24 hour task?
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// TODO: Rescan the static files for changes
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// TODO: Add a plugin hook here
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case <-fifteenMinuteTicker.C:
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// TODO: Add a plugin hook here
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runTasks(common.ScheduledFifteenMinuteTasks)
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// TODO: Automatically lock topics, if they're really old, and the associated setting is enabled.
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// TODO: Publish scheduled posts.
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// TODO: Add a plugin hook here
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}
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// TODO: Handle the daily clean-up.
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}
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}()
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log.Print("Initialising the router")
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router = NewGenRouter(http.FileServer(http.Dir("./uploads")))
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log.Print("Initialising the plugins")
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common.InitPlugins()
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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sig := <-sigs
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// TODO: Gracefully shutdown the HTTP server
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runTasks(common.ShutdownTasks)
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log.Fatal("Received a signal to shutdown: ", sig)
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}()
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//if profiling {
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// pprof.StopCPUProfile()
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//}
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// We might not need the timeouts, if we're behind a reverse-proxy like Nginx
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var newServer = func(addr string, handler http.Handler) *http.Server {
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return &http.Server{
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Addr: addr,
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Handler: handler,
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ReadTimeout: 5 * time.Second,
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WriteTimeout: 10 * time.Second,
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IdleTimeout: 120 * time.Second,
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}
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}
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// TODO: Let users run *both* HTTP and HTTPS
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log.Print("Initialising the HTTP server")
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if !common.Site.EnableSsl {
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if common.Site.Port == "" {
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common.Site.Port = "80"
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}
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log.Print("Listening on port " + common.Site.Port)
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err = newServer(":"+common.Site.Port, router).ListenAndServe()
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} else {
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if common.Site.Port == "" {
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common.Site.Port = "443"
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}
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if common.Site.Port == "80" || common.Site.Port == "443" {
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// We should also run the server on port 80
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// TODO: Redirect to port 443
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go func() {
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log.Print("Listening on port 80")
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err = newServer(":80", &HTTPSRedirect{}).ListenAndServe()
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if err != nil {
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log.Fatal(err)
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}
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}()
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}
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log.Printf("Listening on port %s", common.Site.Port)
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err = newServer(":"+common.Site.Port, router).ListenAndServeTLS(common.Config.SslFullchain, common.Config.SslPrivkey)
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}
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// Why did the server stop?
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if err != nil {
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log.Fatal(err)
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}
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}
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