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-rw-r--r--auth/auth.go28
-rw-r--r--auth/controller.go55
-rw-r--r--auth/router.go29
-rw-r--r--conf/conf.go9
-rw-r--r--errors/errors.go3
-rw-r--r--errors/status.go3
-rw-r--r--main.go4
-rw-r--r--openbills.toml13
-rw-r--r--user/controller.go39
-rw-r--r--user/hooks.go38
-rw-r--r--user/router.go29
-rw-r--r--user/service.go39
-rw-r--r--user/user.go38
-rw-r--r--user/validators.go87
14 files changed, 414 insertions, 0 deletions
diff --git a/auth/auth.go b/auth/auth.go
new file mode 100644
index 0000000..d221224
--- /dev/null
+++ b/auth/auth.go
@@ -0,0 +1,28 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package auth
+
+import (
+ "gorm.io/gorm"
+ d "vidhukant.com/openbills/db"
+)
+
+var db *gorm.DB
+func init() {
+ db = d.DB
+}
diff --git a/auth/controller.go b/auth/controller.go
new file mode 100644
index 0000000..bc9f15a
--- /dev/null
+++ b/auth/controller.go
@@ -0,0 +1,55 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package auth
+
+import (
+ "vidhukant.com/openbills/user"
+ "golang.org/x/crypto/bcrypt"
+ "github.com/gin-gonic/gin"
+ "net/http"
+)
+
+func handleSignIn (ctx *gin.Context) {
+ var user user.User
+ ctx.Bind(&user)
+
+ var err error
+
+ // hash password
+ var bytes []byte
+ bytes, err = bcrypt.GenerateFromPassword([]byte(user.Password), 14)
+ if err != nil {
+ // TODO: handle potential errors
+ ctx.Error(err)
+ ctx.Abort()
+ return
+ }
+ user.Password = string(bytes)
+
+ err = user.Create()
+ if err != nil {
+ ctx.Error(err)
+ ctx.Abort()
+ return
+ }
+
+ ctx.JSON(http.StatusOK, gin.H{
+ "message": "success",
+ "data": user,
+ })
+}
diff --git a/auth/router.go b/auth/router.go
new file mode 100644
index 0000000..4a0bb94
--- /dev/null
+++ b/auth/router.go
@@ -0,0 +1,29 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package auth
+
+import (
+ "github.com/gin-gonic/gin"
+)
+
+func Routes(route *gin.RouterGroup) {
+ g := route.Group("/auth")
+ {
+ g.POST("/sign-in", handleSignIn)
+ }
+}
diff --git a/conf/conf.go b/conf/conf.go
index 58dafe1..6f9288e 100644
--- a/conf/conf.go
+++ b/conf/conf.go
@@ -22,6 +22,7 @@ import (
"log"
)
+// TODO: validate config
func init() {
viper.SetConfigName("openbills")
viper.SetConfigType("toml")
@@ -38,7 +39,15 @@ func init() {
viper.SetDefault("port", "8765")
+ viper.SetDefault("security.min_password_length", 12)
+ viper.SetDefault("security.max_password_length", 128)
+
viper.SetDefault("instance.title", "OpenBills")
viper.SetDefault("instance.description", "Libre Billing Software")
viper.SetDefault("instance.url", "https://openbills.vidhukant.com")
+
+ // TODO: exit if these 3 have unallowed fields
+ viper.SetDefault("username.allowed_characters", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-_")
+ viper.SetDefault("username.min_username_length", 2)
+ viper.SetDefault("username.max_username_length", 20)
}
diff --git a/errors/errors.go b/errors/errors.go
index 08d8a4c..dd307e5 100644
--- a/errors/errors.go
+++ b/errors/errors.go
@@ -33,6 +33,8 @@ var (
ErrEmptyBrandName = errors.New("Brand Name Cannot Be Empty")
ErrInvalidUnitPrice = errors.New("Invalid Unit Price")
ErrInvalidGSTPercentage = errors.New("Invalid GST Percentage")
+ ErrPasswordTooShort = errors.New("Password Is Too Short")
+ ErrPasswordTooLong = errors.New("Password Is Too Long")
// 404
ErrNotFound = errors.New("Not Found")
@@ -42,6 +44,7 @@ var (
ErrNonUniqueGSTIN = errors.New("GSTIN Must Be Unique")
ErrNonUniquePhone = errors.New("Phone Number Must Be Unique")
ErrNonUniqueEmail = errors.New("Email Address Must Be Unique")
+ ErrNonUniqueUsername = errors.New("Email Address Must Be Unique")
ErrNonUniqueWebsite = errors.New("Website Must Be Unique")
ErrNonUniqueBrandName = errors.New("Brand Name Must Be Unique")
ErrNonUniqueBrandItem = errors.New("Item With Same Name And Brand Already Exists")
diff --git a/errors/status.go b/errors/status.go
index eb59506..b0da1ae 100644
--- a/errors/status.go
+++ b/errors/status.go
@@ -35,6 +35,8 @@ func StatusCodeFromErr(err error) int {
errors.Is(err, ErrInvalidGSTIN) ||
errors.Is(err, ErrEmptyBrandName) ||
errors.Is(err, ErrInvalidUnitPrice) ||
+ errors.Is(err, ErrPasswordTooShort) ||
+ errors.Is(err, ErrPasswordTooLong) ||
errors.Is(err, ErrInvalidGSTPercentage) {
return http.StatusBadRequest
}
@@ -48,6 +50,7 @@ func StatusCodeFromErr(err error) int {
// 409
if errors.Is(err, ErrNonUniqueGSTIN) ||
errors.Is(err, ErrNonUniquePhone) ||
+ errors.Is(err, ErrNonUniqueUsername) ||
errors.Is(err, ErrNonUniqueEmail) ||
errors.Is(err, ErrNonUniqueWebsite) ||
errors.Is(err, ErrNonUniqueBrandName) ||
diff --git a/main.go b/main.go
index e40ac8f..dfeec0c 100644
--- a/main.go
+++ b/main.go
@@ -26,6 +26,8 @@ import (
"vidhukant.com/openbills/errors"
// routes
+ "vidhukant.com/openbills/user"
+ "vidhukant.com/openbills/auth"
"vidhukant.com/openbills/customer"
"vidhukant.com/openbills/item"
@@ -47,6 +49,8 @@ func main() {
api := r.Group("/api")
api.Use(errors.ErrResponse())
{
+ user.Routes(api)
+ auth.Routes(api)
customer.Routes(api)
item.Routes(api)
}
diff --git a/openbills.toml b/openbills.toml
index 567aa00..43b1dc4 100644
--- a/openbills.toml
+++ b/openbills.toml
@@ -11,3 +11,16 @@ params = "charset=utf8mb4&parseTime=True&loc=Local"
title = "OpenBills"
description = "Libre Billing Software"
url = "https://openbills.vidhukant.com/"
+
+[security]
+min_password_length = 12
+max_password_length = 128
+
+[username]
+allowed_characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-_"
+min_username_length = 2
+max_username_length = 32
+
+[cryptography]
+auth_secret = "22ELiOfHn19s0z1WWgsOT9RupghRYrXm"
+refresh_secret = "22ELiOfHn19s0z1WWgsOT9RupghRYrXm"
diff --git a/user/controller.go b/user/controller.go
new file mode 100644
index 0000000..abdcc5b
--- /dev/null
+++ b/user/controller.go
@@ -0,0 +1,39 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package user
+
+import (
+ "github.com/gin-gonic/gin"
+ "net/http"
+)
+
+func handleGetUser (ctx *gin.Context) {
+ var user User
+
+ //err = getUser(&user, uint(id))
+ //if err != nil {
+ // ctx.Error(err)
+ // ctx.Abort()
+ // return
+ //}
+
+ ctx.JSON(http.StatusOK, gin.H{
+ "message": "success",
+ "data": user,
+ })
+}
diff --git a/user/hooks.go b/user/hooks.go
new file mode 100644
index 0000000..d49d8be
--- /dev/null
+++ b/user/hooks.go
@@ -0,0 +1,38 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package user
+
+import (
+ "gorm.io/gorm"
+)
+
+func (u *User) BeforeCreate(tx *gorm.DB) error {
+ var err error
+
+ err = validatePassword(u.Password)
+ if err != nil {
+ return err
+ }
+
+ err = u.validate()
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
diff --git a/user/router.go b/user/router.go
new file mode 100644
index 0000000..8a9ad86
--- /dev/null
+++ b/user/router.go
@@ -0,0 +1,29 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package user
+
+import (
+ "github.com/gin-gonic/gin"
+)
+
+func Routes(route *gin.RouterGroup) {
+ g := route.Group("/user")
+ {
+ g.GET("/", handleGetUser)
+ }
+}
diff --git a/user/service.go b/user/service.go
new file mode 100644
index 0000000..8b3b712
--- /dev/null
+++ b/user/service.go
@@ -0,0 +1,39 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package user
+
+func (u *User) Create() error {
+ res := db.Create(u)
+ // TODO: handle potential errors
+ return res.Error
+}
+
+//func (c *Customer) del() error {
+// res := db.Delete(c)
+//
+// // TODO: handle potential errors
+// if res.Error != nil {
+// return res.Error
+// }
+//
+// if res.RowsAffected == 0 {
+// return e.ErrNotFound
+// }
+//
+// return nil
+//}
diff --git a/user/user.go b/user/user.go
new file mode 100644
index 0000000..1324c0e
--- /dev/null
+++ b/user/user.go
@@ -0,0 +1,38 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package user
+
+import (
+ "gorm.io/gorm"
+ d "vidhukant.com/openbills/db"
+)
+
+var db *gorm.DB
+func init() {
+ db = d.DB
+
+ db.AutoMigrate(&User{})
+}
+
+type User struct {
+ gorm.Model
+ Username string
+ Email string
+ Password string
+ IsVerified bool
+}
diff --git a/user/validators.go b/user/validators.go
new file mode 100644
index 0000000..88239c6
--- /dev/null
+++ b/user/validators.go
@@ -0,0 +1,87 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023 Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package user
+
+import (
+ "strings"
+ e "errors"
+ "github.com/spf13/viper"
+ "vidhukant.com/openbills/errors"
+)
+
+func validatePassword(pass string) error {
+ // check if password is too short
+ if len(pass) < viper.GetInt("security.min_password_length") {
+ return errors.ErrPasswordTooShort
+ }
+
+ // check if password is too long
+ if len(pass) > viper.GetInt("security.max_password_length") {
+ return errors.ErrPasswordTooLong
+ }
+
+ return nil
+}
+
+// NOTE: very inefficient and really really really dumb but it works
+// TODO: find a better (or even a remotely good) way
+func validateUserField(field, value string) error {
+ if value != "" {
+ var count int64
+ err := db.Model(&User{}).
+ Where(field + " = ?", value).
+ Count(&count).
+ Error
+
+ if err != nil {
+ return err
+ }
+
+ if count > 0 {
+ switch(field) {
+ case "username":
+ return errors.ErrNonUniqueUsername
+ case "email":
+ return errors.ErrNonUniqueEmail
+ default:
+ return e.New(field + " is not unique")
+ }
+ }
+ }
+
+ return nil
+}
+
+func (u *User) validate() error {
+ u.Username = strings.TrimSpace(u.Username)
+ u.Email = strings.TrimSpace(u.Email)
+ u.IsVerified = false
+
+ // TODO: validate username length and stuff
+ // TODO: validate if email is valid
+
+ var err error
+ for _, i := range [][]string{{"username", u.Username}, {"email", u.Email}} {
+ err = validateUserField(i[0], i[1])
+ if err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 03:19:14 +0000