294 lines
7.3 KiB
Go
294 lines
7.3 KiB
Go
package main
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"html/template"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"strconv"
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"strings"
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"golang.org/x/crypto/ssh/terminal"
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"github.com/gorilla/handlers"
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"github.com/gorilla/mux"
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"github.com/gorilla/sessions"
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"github.com/justinas/alice"
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)
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const AppName = "gjvote"
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// SiteData is stuff that stays the same
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type siteData struct {
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Title string `json:"title"`
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Port int `json:"port"`
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SessionName string `json:"session"`
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ServerDir string `json:"dir"`
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DevMode bool `json:"devmode"`
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DB string `json:"db"`
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CurrentJam string
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}
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// pageData is stuff that changes per request
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type pageData struct {
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Site *siteData
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Title string
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HideTitleImage bool
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SubTitle string
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Stylesheets []string
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HeaderScripts []string
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Scripts []string
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FlashMessage string
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FlashClass string
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LoggedIn bool
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Menu []menuItem
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BottomMenu []menuItem
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HideAdminMenu bool
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session *pageSession
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CurrentJam string
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ClientID string
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ClientIsAuth bool
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ClientIsServer bool
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TeamID string
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TemplateData interface{}
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}
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type menuItem struct {
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Label string
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Location string
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Icon string
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}
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var sessionSecret = "JCOP5e8ohkTcOzcSMe74"
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var sessionStore = sessions.NewCookieStore([]byte(sessionSecret))
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var site *siteData
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var r *mux.Router
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var configFile string
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func main() {
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configFile = "./config.json"
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loadConfig()
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saveConfig()
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initialize()
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r = mux.NewRouter()
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r.StrictSlash(true)
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s := http.StripPrefix("/assets/", http.FileServer(http.Dir(site.ServerDir+"assets/")))
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r.PathPrefix("/assets/").Handler(s)
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// Public Subrouter
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pub := r.PathPrefix("/").Subrouter()
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pub.HandleFunc("/", handleMain)
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// API Subrouter
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//api := r.PathPrefix("/api").Subtrouter()
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// Admin Subrouter
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admin := r.PathPrefix("/admin").Subrouter()
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admin.HandleFunc("/", handleAdmin)
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admin.HandleFunc("/dologin", handleAdminDoLogin)
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admin.HandleFunc("/dologout", handleAdminDoLogout)
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admin.HandleFunc("/{category}", handleAdmin)
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admin.HandleFunc("/{category}/{id}", handleAdmin)
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admin.HandleFunc("/{category}/{id}/{function}", handleAdmin)
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admin.HandleFunc("/{category}/{id}/{function}/{subid}", handleAdmin)
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http.Handle("/", r)
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chain := alice.New(loggingHandler).Then(r)
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fmt.Printf("Listening on port %d\n", site.Port)
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log.Fatal(http.ListenAndServe("127.0.0.1:"+strconv.Itoa(site.Port), chain))
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}
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func loadConfig() {
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site = new(siteData)
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// Defaults:
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site.Title = "ICT GameJam"
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site.Port = 8080
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site.SessionName = "ict-gamejam"
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site.ServerDir = "./"
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site.DevMode = false
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site.DB = AppName + ".db"
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jsonInp, err := ioutil.ReadFile(configFile)
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if err == nil {
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assertError(json.Unmarshal(jsonInp, &site))
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}
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}
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func saveConfig() {
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var jsonInp []byte
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jsonInp, _ = json.Marshal(site)
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assertError(ioutil.WriteFile(configFile, jsonInp, 0644))
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}
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func initialize() {
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// Check if the database has been created
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assertError(initDatabase())
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if !dbHasUser() {
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reader := bufio.NewReader(os.Stdin)
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fmt.Println("Create new Admin user")
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fmt.Print("Email: ")
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email, _ := reader.ReadString('\n')
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email = strings.TrimSpace(email)
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var pw1, pw2 []byte
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for string(pw1) != string(pw2) || string(pw1) == "" {
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fmt.Print("Password: ")
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pw1, _ = terminal.ReadPassword(0)
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fmt.Println("")
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fmt.Print("Repeat Password: ")
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pw2, _ = terminal.ReadPassword(0)
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fmt.Println("")
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if string(pw1) != string(pw2) {
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fmt.Println("Entered Passwords don't match!")
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}
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}
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assertError(dbUpdateUserPassword(email, string(pw1)))
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}
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if !dbHasCurrentJam() {
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reader := bufio.NewReader(os.Stdin)
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fmt.Println("Create New Game Jam")
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fmt.Print("GameJam Name: ")
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gjName, _ := reader.ReadString('\n')
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gjName = strings.TrimSpace(gjName)
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if dbSetCurrentJam(gjName) != nil {
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fmt.Println("Error saving Current Jam")
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}
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}
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jmNm, err := dbGetCurrentJam()
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if err == nil {
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fmt.Println("Current Jam Name: " + jmNm)
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} else {
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fmt.Println(err.Error())
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}
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}
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func loggingHandler(h http.Handler) http.Handler {
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return handlers.LoggingHandler(os.Stdout, h)
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}
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func InitPageData(w http.ResponseWriter, req *http.Request) *pageData {
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if site.DevMode {
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w.Header().Set("Cache-Control", "no-cache")
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}
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p := new(pageData)
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// Get session
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var err error
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var s *sessions.Session
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if s, err = sessionStore.Get(req, site.SessionName); err != nil {
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http.Error(w, err.Error(), 500)
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return p
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}
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p.session = new(pageSession)
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p.session.session = s
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p.session.req = req
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p.session.w = w
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// First check if we're logged in
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userEmail, _ := p.session.getStringValue("email")
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// With a valid account
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p.LoggedIn = dbIsValidUserEmail(userEmail)
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p.Site = site
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p.SubTitle = "GameJam Voting"
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p.Stylesheets = make([]string, 0, 0)
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p.Stylesheets = append(p.Stylesheets, "/assets/vendor/css/pure-min.css")
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p.Stylesheets = append(p.Stylesheets, "/assets/vendor/css/grids-responsive-min.css")
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p.Stylesheets = append(p.Stylesheets, "/assets/vendor/font-awesome/css/font-awesome.min.css")
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p.Stylesheets = append(p.Stylesheets, "/assets/css/gjvote.css")
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p.HeaderScripts = make([]string, 0, 0)
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p.HeaderScripts = append(p.HeaderScripts, "/assets/vendor/js/snack-min.js")
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p.Scripts = make([]string, 0, 0)
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p.Scripts = append(p.Scripts, "/assets/js/gjvote.js")
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p.FlashMessage, p.FlashClass = p.session.getFlashMessage()
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if p.FlashClass == "" {
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p.FlashClass = "hidden"
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}
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// Build the menu
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if p.LoggedIn {
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p.Menu = append(p.Menu, menuItem{"Admin", "/admin", "fa-key"})
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p.Menu = append(p.Menu, menuItem{"Votes", "/admin/votes", "fa-sticky-note"})
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p.Menu = append(p.Menu, menuItem{"Teams", "/admin/teams", "fa-users"})
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p.Menu = append(p.Menu, menuItem{"Games", "/admin/games", "fa-gamepad"})
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p.BottomMenu = append(p.BottomMenu, menuItem{"Users", "/admin/users", "fa-user"})
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p.BottomMenu = append(p.BottomMenu, menuItem{"Logout", "/admin/dologout", "fa-sign-out"})
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} else {
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p.BottomMenu = append(p.BottomMenu, menuItem{"Admin", "/admin", "fa-sign-in"})
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}
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p.HideAdminMenu = true
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if p.CurrentJam, err = dbGetCurrentJam(); err != nil {
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p.FlashMessage = "Error Loading Current GameJam: " + err.Error()
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p.FlashClass = "error"
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}
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p.ClientID = p.session.getClientID()
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p.ClientIsAuth = clientIsAuthenticated(p.ClientID, req)
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p.ClientIsServer = clientIsServer(req)
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p.TeamID, _ = p.session.getStringValue("teamid")
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return p
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}
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func (p *pageData) show(tmplName string, w http.ResponseWriter) error {
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for _, tmpl := range []string{
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"htmlheader.html",
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"admin-menu.html",
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"header.html",
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tmplName,
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"footer.html",
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"htmlfooter.html",
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} {
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if err := outputTemplate(tmpl, p, w); err != nil {
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fmt.Printf("%s\n", err)
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return err
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}
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}
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return nil
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}
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// outputTemplate
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// Spit out a template
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func outputTemplate(tmplName string, tmplData interface{}, w http.ResponseWriter) error {
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_, err := os.Stat("templates/" + tmplName)
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if err == nil {
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t := template.New(tmplName)
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t, _ = t.ParseFiles("templates/" + tmplName)
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return t.Execute(w, tmplData)
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}
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return fmt.Errorf("WebServer: Cannot load template (templates/%s): File not found", tmplName)
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}
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// redirect can be used only for GET redirects
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func redirect(url string, w http.ResponseWriter, req *http.Request) {
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http.Redirect(w, req, url, 303)
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}
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func printOutput(out string) {
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if site.DevMode {
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fmt.Print(out)
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}
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}
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func assertError(err error) {
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if err != nil {
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panic(err)
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}
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}
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