new sub page paradigm
This commit is contained in:
@@ -1,270 +1,157 @@
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package main
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import (
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"crypto/rand"
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"flag"
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"fmt"
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"embed"
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"html/template"
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"io/fs"
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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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"sync"
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"time"
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"github.com/joho/godotenv"
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"github.com/pquerna/otp/totp"
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)
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type Config struct {
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Job string `json:"job"`
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Emails []string `json:"emails"`
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NewsSent int `json:"newletter-sent"`
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}
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func loadConfig() (*Config, error) {
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data, err := os.ReadFile("data.json")
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if err != nil {
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return nil, err
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}
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var c Config
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return &c, json.Unmarshal(data, &c)
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}
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func saveConfig(c *Config) error {
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data, err := json.MarshalIndent(c, "", " ")
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if err != nil {
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return err
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}
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return os.WriteFile("data.json", data, 0644)
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}
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func validateEnv() {
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// checking if env file is there in the directory:
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err := godotenv.Load(".env")
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if err != nil {
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log.Fatal("Error loading .env file")
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}
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// checking secret for rooling 2fa
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secret := os.Getenv("secret")
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if secret == "" {
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fmt.Println("set secret first")
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os.Exit(1)
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}
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}
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//go:embed source static
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var sourceFS embed.FS
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func main() {
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validateEnv()
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port := flag.String("port", "8081", "port to listen on")
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flag.Parse()
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mux := http.NewServeMux()
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fs := http.FileServer(http.Dir("static"))
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mux.Handle("/static/", http.StripPrefix("/static/", fs))
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mux.HandleFunc("GET /{$}", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/index.html") })
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mux.HandleFunc("GET /infra", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/infra.html") })
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mux.HandleFunc("GET /finance", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/finance.html") })
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mux.HandleFunc("GET /cinema", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/cinema.html") })
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mux.HandleFunc("GET /engine", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/engine.html") })
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mux.HandleFunc("GET /42", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/42.html") })
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mux.HandleFunc("GET /secret", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/secret.html") })
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mux.HandleFunc("GET /favicon.ico", func(w http.ResponseWriter, r *http.Request) { http.ServeFile(w, r, "./static/icon.png") })
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mux.HandleFunc("GET /login", func(w http.ResponseWriter, r *http.Request) {
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cookie, err := r.Cookie("session")
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if err == nil {
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sessionMu.RLock()
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expiry, ok := sessionStore[cookie.Value]
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sessionMu.RUnlock()
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// had session, but invalid
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if !ok || time.Now().After(expiry) {
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sessionMu.Lock()
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delete(sessionStore, cookie.Value)
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sessionMu.Unlock()
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} else { // valid session
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http.Redirect(w, r, "/admin", http.StatusSeeOther)
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}
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}
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http.ServeFile(w, r, "./static/login.html")
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})
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mux.HandleFunc("GET /admin", requireAuth(func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "./static/admin.html")
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}))
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mux.HandleFunc("GET /logout", requireAuth(func(w http.ResponseWriter, r *http.Request) {
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cookie, err := r.Cookie("session")
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if err == nil {
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// delete session cookie token
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sessionMu.Lock()
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delete(sessionStore, cookie.Value)
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sessionMu.Unlock()
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}
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http.Redirect(w, r, "/", http.StatusSeeOther)
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}))
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mux.HandleFunc("POST /newsletter/subscribe", func(w http.ResponseWriter, r *http.Request) {
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var req struct {
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Email string `json:"email"`
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}
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err := json.NewDecoder(r.Body).Decode(&req)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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double := false
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conf, err := loadConfig()
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for _, e := range conf.Emails {
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if e == req.Email {
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double = true
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}
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}
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if !double {
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conf.Emails = append(conf.Emails, req.Email)
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}
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saveConfig(conf)
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})
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mux.HandleFunc("GET /status", func(w http.ResponseWriter, r *http.Request) {
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config, err := loadConfig()
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if err != nil {
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http.Error(w, "failed to load config", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "text/html")
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//<span ">samantha42.xyz</span>
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if config.Job == "" || config.Job == "none" {
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fmt.Fprint(w, `<span class="available" ><span class="dot dot--available"></span>available for work</span>`)
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} else {
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fmt.Fprintf(w, `<span class="busy" ><span class="dot dot--busy"></span>working at: <b>%s</b></span>`, config.Job)
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}
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})
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mux.HandleFunc("POST /login", func(w http.ResponseWriter, r *http.Request) {
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r.ParseForm()
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password := r.Form.Get("password")
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auth := r.Form.Get("totp")
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// cheking password
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h := sha256.New()
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h.Write([]byte(password))
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b := hex.EncodeToString(h.Sum(nil))
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if string(b) == os.Getenv("password_sha") && totp.Validate(auth, os.Getenv("secret")) {
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fmt.Println("logged in")
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token := generateSession()
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sessionMu.Lock()
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sessionStore[token] = time.Now().Add(12 * time.Hour)
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sessionMu.Unlock()
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http.SetCookie(w, &http.Cookie{
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Name: "session",
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Value: token,
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Path: "/",
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HttpOnly: true,
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Secure: true,
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SameSite: http.SameSiteLaxMode,
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Expires: time.Now().Add(48 * time.Hour),
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})
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// htmx reads this header and does the redirect client-side
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w.Header().Set("HX-Redirect", "/admin")
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w.WriteHeader(http.StatusOK)
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} else {
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// failure
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w.WriteHeader(http.StatusOK)
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fmt.Fprintf(w, `<div class="error-banner">// incorrect password or 2FA code</div>`)
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}
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})
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//http.HandleFunc("/portfolio", Portfolio)
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mux.HandleFunc("/git", func(w http.ResponseWriter, r *http.Request) {
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http.Redirect(w, r, "https://git.samantha42.xyz", http.StatusFound)
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})
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// --- /admin/ sub-mux ---
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adminMux := http.NewServeMux()
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adminMux.HandleFunc("GET /{$}", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "./static/admin.html")
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})
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// strip the /admin prefix before handing off
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mux.Handle("/admin/", http.StripPrefix("/admin", adminMux))
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// --- /admin/api/ sub-mux ---
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apiMux := http.NewServeMux()
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apiMux.HandleFunc("GET /stats/subscribers", requireAuth(func(w http.ResponseWriter, r *http.Request) {
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conf, err := loadConfig()
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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fmt.Fprintf(w, "%s", strconv.Itoa(len(conf.Emails)))
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}))
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apiMux.HandleFunc("GET /stats/sent", requireAuth(func(w http.ResponseWriter, r *http.Request) {
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conf, err := loadConfig()
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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fmt.Fprintf(w, "%s", strconv.Itoa(conf.NewsSent))
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}))
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// strip /admin/api before handing off
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adminMux.Handle("/api/", http.StripPrefix("/api", apiMux))
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fmt.Printf("running on http://localhost:%s/\n", *port)
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if err := http.ListenAndServe(":"+*port, mux); err != nil {
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staticRoot, err := fs.Sub(sourceFS, "source")
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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 sessionStore = map[string]time.Time{}
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var sessionMu sync.RWMutex
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func generateSession() string {
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b := make([]byte, 32)
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rand.Read(b)
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return hex.EncodeToString(b)
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}
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func requireAuth(next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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cookie, err := r.Cookie("session")
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// print exactly what got embedded
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fs.WalkDir(staticRoot, ".", func(path string, d fs.DirEntry, err error) error {
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if err != nil {
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http.Redirect(w, r, "/login", http.StatusSeeOther)
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log.Println("walk error:", err)
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return nil
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}
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log.Println("embedded:", path)
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return nil
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})
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mux := http.NewServeMux()
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mux.HandleFunc("GET /{$}", func(w http.ResponseWriter, r *http.Request) {
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tmpl, err := template.ParseFS(staticRoot, "templates/main.html", "pages/index.html")
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if err != nil {
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log.Println("parse error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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sessionMu.RLock()
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expiry, ok := sessionStore[cookie.Value]
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sessionMu.RUnlock()
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data := struct {
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Title string
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Sub bool
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}{
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Title: "home",
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Sub: false,
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}
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if !ok || time.Now().After(expiry) {
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sessionMu.Lock()
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delete(sessionStore, cookie.Value)
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sessionMu.Unlock()
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http.Redirect(w, r, "/login", http.StatusSeeOther)
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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// execute the base file by name — main.html is the entrypoint
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if err := tmpl.ExecuteTemplate(w, "main.html", data); err != nil {
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log.Println("execute error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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})
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mux.HandleFunc("GET /research", func(w http.ResponseWriter, r *http.Request) {
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tmpl, err := template.ParseFS(staticRoot, "templates/main.html", "pages/research.html")
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if err != nil {
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log.Println("parse error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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next(w, r)
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}
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data := struct {
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Title string
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Sub bool
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}{
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Title: "research",
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Sub: true,
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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// execute the base file by name — main.html is the entrypoint
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if err := tmpl.ExecuteTemplate(w, "main.html", data); err != nil {
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log.Println("execute error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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})
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mux.HandleFunc("GET /bookkeeping", func(w http.ResponseWriter, r *http.Request) {
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tmpl, err := template.ParseFS(staticRoot, "templates/main.html", "pages/bookkeeping.html")
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if err != nil {
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log.Println("parse error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data := struct {
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Title string
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Sub bool
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}{
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Title: "bookkeeping",
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Sub: true,
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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// execute the base file by name — main.html is the entrypoint
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if err := tmpl.ExecuteTemplate(w, "main.html", data); err != nil {
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log.Println("execute error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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})
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mux.HandleFunc("GET /automation", func(w http.ResponseWriter, r *http.Request) {
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tmpl, err := template.ParseFS(staticRoot, "templates/main.html", "pages/automation.html")
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if err != nil {
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log.Println("parse error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data := struct {
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Title string
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Sub bool
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}{
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Title: "automation",
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Sub: true,
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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// execute the base file by name — main.html is the entrypoint
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if err := tmpl.ExecuteTemplate(w, "main.html", data); err != nil {
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log.Println("execute error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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})
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mux.HandleFunc("GET /interests", func(w http.ResponseWriter, r *http.Request) {
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tmpl, err := template.ParseFS(staticRoot, "templates/main.html", "pages/interests.html")
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if err != nil {
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log.Println("parse error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data := struct {
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Title string
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Sub bool
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}{
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Title: "interests",
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Sub: true,
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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// execute the base file by name — main.html is the entrypoint
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if err := tmpl.ExecuteTemplate(w, "main.html", data); err != nil {
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log.Println("execute error:", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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})
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assetsRoot, err := fs.Sub(sourceFS, "static")
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mux.Handle("/static/", http.StripPrefix("/static/", http.FileServerFS(assetsRoot)))
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log.Println("running on http://localhost:8081/")
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log.Fatal(http.ListenAndServe(":8081", mux))
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}
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Reference in New Issue
Block a user