initial import

2022-02-25 00:47:23 -08:00
commit d04bf501db
8 changed files with 355 additions and 0 deletions
--- a/handler/handler.go
+++ b/handler/handler.go
@@ -0,0 +1,96 @@
+package handler
+
+import (
+	"crypto/subtle"
+	"embed"
+	"fmt"
+	"html/template"
+	"log"
+	"net/http"
+	"strings"
+
+	"git.sr.ht/~kisom/goutils/config"
+	"git.wntrmute.dev/kyle/quick-note/note"
+)
+
+type Page struct {
+	Message string
+}
+
+//go:embed templates/*.html
+var templateFiles embed.FS
+
+var templates = template.Must(template.ParseFS(templateFiles, "templates/*.html"))
+
+func BasicAuth(handler http.HandlerFunc, username, password, realm string) http.HandlerFunc {
+
+	return func(w http.ResponseWriter, r *http.Request) {}
+
+}
+
+func Index(w http.ResponseWriter, r *http.Request) {
+	user, pass, ok := r.BasicAuth()
+	username := config.Get("HTTP_USER")
+	password := config.Get("HTTP_PASS")
+
+	if !ok || subtle.ConstantTimeCompare([]byte(user), []byte(username)) != 1 || subtle.ConstantTimeCompare([]byte(pass), []byte(password)) != 1 {
+		w.Header().Set("WWW-Authenticate", `Basic realm="quicknote"`)
+		w.WriteHeader(401)
+		w.Write([]byte("Unauthorised.\n"))
+		return
+	}
+
+	if r.Method == http.MethodPost {
+		QuickNote(w, r)
+		return
+	}
+
+	err := templates.ExecuteTemplate(w, "index.html", Page{})
+	if err != nil {
+		log.Printf("error executing template: %s", err)
+		http.Error(w, fmt.Sprintf("template execution failed: %s", err.Error()),
+			http.StatusInternalServerError)
+		return
+	}
+}
+
+func QuickNote(w http.ResponseWriter, r *http.Request) {
+	user, pass, ok := r.BasicAuth()
+	username := config.Get("HTTP_USER")
+	password := config.Get("HTTP_PASS")
+
+	if !ok || subtle.ConstantTimeCompare([]byte(user), []byte(username)) != 1 || subtle.ConstantTimeCompare([]byte(pass), []byte(password)) != 1 {
+		w.Header().Set("WWW-Authenticate", `Basic realm="quicknote"`)
+		w.WriteHeader(401)
+		w.Write([]byte("Unauthorised.\n"))
+		return
+	}
+
+	log.Println("receiving note")
+	s := r.FormValue("note")
+	s = strings.TrimSpace(s)
+	s = strings.Replace(s, "\r\n", "\n", -1)
+
+	page := Page{}
+
+	if len(s) != 0 {
+		n := note.NewNote(s)
+		err := n.Write()
+		if err != nil {
+			log.Printf("error writing note: %s", err)
+			page.Message = err.Error()
+		} else {
+			log.Println("note created")
+			page.Message = fmt.Sprintf("Created note %s", n.Header.Title())
+		}
+	} else {
+		log.Println("empty note received")
+	}
+
+	err := templates.ExecuteTemplate(w, "index.html", page)
+	if err != nil {
+		http.Error(w, fmt.Sprintf("template execution failed: %s", err.Error()),
+			http.StatusInternalServerError)
+		return
+	}
+}
--- a/handler/templates/index.html
+++ b/handler/templates/index.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <title>Quick Notes</title>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+    <meta property="og:title" content="Dendron Quick Notes" />
+    <meta property="og:type" content="website" />
+    <meta property="og:url" content="https://qn.wntrmute.dev/" />
+<style>
+	* { font-size: xx-large; }
+</style>
+</head>
+
+<body>
+    <h2>Quick Note</h2>
+    {{ if (ne .Message "") }}
+    <p>{{.Message}}</p>
+    {{ end }}
+    <form action="/" method="POST">
+<textarea id="note" name="note" rows="24" cols="80">
+</textarea>
+<br />
+<input type="submit" value="Submit">	
+    </form>
+</body>
+</html>
+