From bf7d9c79cae53f64fcd04527248987bd4e7ca3c4 Mon Sep 17 00:00:00 2001
From: Mitchell Riedstra <mitch@riedstra.dev>
Date: Sun, 19 Jun 2022 23:57:04 -0400
Subject: 0.0.17a / Alpha. Introduce users and page editing.

Breaking changes:

inc/base.html is now tpl/base.md by default. This can be overridden
on the command line.

404.md is now tpl/404.md. This can be overridden with templatedirectory
in the configuration file.

Additional files:

`auth.json` file that stores credentials and settings for
authorization cookie.

Further notes:

This will likely receive some major updates and changes over
the next few commits. The scaffolidng is now in place for
user accounts, login handling, and page editing.

It's all extremely basic at the moment, on the idea list:

Listing of all markdown files
File uploader and general content management
Flags to turn on/off git integration for edits.
Download / Upload of all markdown files as a backup/restore.

It's of course, all subject to change.
---
 users/main.go | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 users/main.go

(limited to 'users')

diff --git a/users/main.go b/users/main.go
new file mode 100644
index 0000000..edb306f
--- /dev/null
+++ b/users/main.go
@@ -0,0 +1,43 @@
+package users
+
+import (
+	"fmt"
+
+	"golang.org/x/crypto/bcrypt"
+)
+
+type SiteUser struct {
+	Username     string `yaml:"username"`
+	PasswordHash string `yaml:"password-hash"`
+	Password     string `yaml:"password"`
+}
+
+func (su *SiteUser) SetPasswordHashIfNecessary() error {
+	if su.Password == "" {
+		return nil
+	}
+
+	res, err := bcrypt.GenerateFromPassword([]byte(su.Password), bcrypt.DefaultCost)
+	if err != nil {
+		return fmt.Errorf("SetPasswordHashIfNecessary: %w", err)
+	}
+
+	su.Password = ""
+	su.PasswordHash = string(res)
+
+	return nil
+}
+
+func (su *SiteUser) CheckPassword(pass string) error {
+	err := su.SetPasswordHashIfNecessary()
+	if err != nil {
+		return err
+	}
+
+	err = bcrypt.CompareHashAndPassword([]byte(su.PasswordHash), []byte(pass))
+	if err != nil {
+		return fmt.Errorf("CheckPassword: %w", err)
+	}
+
+	return nil
+}
-- 
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