Add registration handler

2 files changed, 85 insertions, 0 deletions

diff --git a/handler/web/page.go b/handler/web/page.go
new file mode 100644
index 0000000..cf96395
--- /dev/null
+++ b/handler/web/page.go
@@ -0,0 +1,12 @@
+package web
+
+import "html/template"
+
+// Page holds page information
+type Page struct {
+	SafeList []template.HTML
+	List     []string
+	Error    []string
+	Success  []string
+	Notice   []string
+}
diff --git a/handler/web/register.go b/handler/web/register.go
new file mode 100644
index 0000000..232768e
--- /dev/null
+++ b/handler/web/register.go
@@ -0,0 +1,73 @@
+package web
+
+import (
+	"fmt"
+	"html/template"
+	"log"
+	"net/http"
+	"strings"
+
+	"tildegit.org/andinus/perseus/auth"
+	"tildegit.org/andinus/perseus/storage/sqlite3"
+)
+
+// HandleRegister handles /register pages.
+func HandleRegister(w http.ResponseWriter, r *http.Request, db *sqlite3.DB) {
+	p := Page{}
+	p.Notice = []string{
+		"Only [a-z] & [0-9] allowed for username",
+		"Password length must be greater than 8 characters",
+	}
+	switch r.Method {
+	case http.MethodGet:
+		t, _ := template.ParseFiles("web/register.html")
+		t.Execute(w, p)
+
+	case http.MethodPost:
+		if err := r.ParseForm(); err != nil {
+			log.Printf("web/register.go: 400 Bad Request :: %s", err.Error())
+			http.Error(w, "400 Bad Request", http.StatusBadRequest)
+			return
+		}
+
+		// Get form values
+		uInfo := make(map[string]string)
+		uInfo["username"] = r.FormValue("username")
+		uInfo["password"] = r.FormValue("password")
+
+		// Perform registration
+		err := auth.Register(db, uInfo)
+
+		if err != nil {
+			log.Printf("web/register.go: %s :: %s :: %s",
+				"registration failed",
+				uInfo["username"],
+				err.Error())
+
+			error := []string{}
+			error = append(error,
+				fmt.Sprintf("Registration failed"))
+
+			// Check if the error was because of username
+			// not being unique.
+			if strings.HasPrefix(err.Error(), "UNIQUE constraint failed") {
+				error = append(error,
+					fmt.Sprintf("Username not unique"))
+			}
+			p.Error = error
+		} else {
+			success := []string{}
+			success = append(success,
+				fmt.Sprintf("Registration successful"))
+			p.Success = success
+		}
+
+		t, _ := template.ParseFiles("web/register.html")
+		t.Execute(w, p)
+
+	default:
+		w.WriteHeader(http.StatusMethodNotAllowed)
+		log.Printf("web/register.go: %v not allowed on %v", r.Method, r.URL)
+	}
+
+}