From bf5acf23b0b58ea91f681298cb8a2c08d6732777 Mon Sep 17 00:00:00 2001
From: Andrew71 <andrew@a71.su>
Date: Fri, 11 Oct 2024 11:38:08 +0300
Subject: [PATCH] Initial commit

---
 README.md |  3 +++
 auth.go   | 35 +++++++++++++++++++++++++++++++++++
 go.mod    |  8 ++++++++
 go.sum    |  4 ++++
 main.go   | 32 ++++++++++++++++++++++++++++++++
 user.go   | 29 +++++++++++++++++++++++++++++
 6 files changed, 111 insertions(+)
 create mode 100644 README.md
 create mode 100644 auth.go
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 main.go
 create mode 100644 user.go

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..0073a46
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# PYE
+
+**Mission**: Science compels us to create a microservice!
\ No newline at end of file
diff --git a/auth.go b/auth.go
new file mode 100644
index 0000000..65f0f88
--- /dev/null
+++ b/auth.go
@@ -0,0 +1,35 @@
+package main
+
+import (
+	"net/http"
+	"net/mail"
+	"strings"
+)
+
+func ValidEmail(email string) bool {
+	_, err := mail.ParseAddress(email)
+	return err == nil
+}
+func ValidPass(pass string) bool {
+	return len(pass) >= 8 // TODO: Obviously, we *might* want something more sophisticated here
+}
+func TakenEmail(email string) bool {
+	// TODO: Implement
+	return false
+}
+func Register(w http.ResponseWriter, r *http.Request) {
+	email, password, ok := r.BasicAuth()
+
+	if !ok {
+		email = strings.TrimSpace(email)
+		password = strings.TrimSpace(password)
+		if !(ValidEmail(email) || ValidPass(password) || TakenEmail(email)) {
+			// TODO: Provide descriptive error and check if 400 is best code?
+			http.Error(w, "Invalid auth credentials", http.StatusBadRequest)
+		}
+	}
+
+	// No email and password was provided
+	w.Header().Set("WWW-Authenticate", `Basic realm="restricted", charset="UTF-8"`)
+	http.Error(w, "This API requires authorization", http.StatusUnauthorized)
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..1aa3640
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,8 @@
+module pye-auth
+
+go 1.22
+
+require (
+	github.com/google/uuid v1.6.0
+	golang.org/x/crypto v0.28.0
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..303efc6
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
+golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..16dcb5e
--- /dev/null
+++ b/main.go
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func main() {
+	fmt.Println("Test")
+
+	router := http.NewServeMux()
+
+	router.HandleFunc("POST /todos", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Println("create a todo")
+	})
+
+	router.HandleFunc("GET /todos", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Println("get all todos")
+	})
+
+	router.HandleFunc("PATCH /todos/{id}", func(w http.ResponseWriter, r *http.Request) {
+		id := r.PathValue("id")
+		fmt.Println("update a todo by id", id)
+	})
+
+	router.HandleFunc("DELETE /todos/{id}", func(w http.ResponseWriter, r *http.Request) {
+		id := r.PathValue("id")
+		fmt.Println("delete a todo by id", id)
+	})
+
+	http.ListenAndServe(":7102", router)
+}
diff --git a/user.go b/user.go
new file mode 100644
index 0000000..83c1eaa
--- /dev/null
+++ b/user.go
@@ -0,0 +1,29 @@
+package main
+
+import (
+	"github.com/google/uuid"
+	"golang.org/x/crypto/bcrypt"
+)
+
+type User struct {
+	uuid  uuid.UUID
+	email string
+	hash  []byte // bcrypt hash of password
+}
+
+func (u User) PasswordFits(password string) bool {
+	err := bcrypt.CompareHashAndPassword(u.hash, []byte(password))
+	return err == nil
+}
+
+func NewUser(email, password string) (User, error) {
+	hash, err := bcrypt.GenerateFromPassword([]byte(password), 14)
+	if err != nil {
+		return User{}, err
+	}
+	return User{uuid.New(), email, hash}, nil
+}
+
+func CreateUser(User) {
+
+}