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-rw-r--r--user/controller.go105
-rw-r--r--user/password.go70
-rw-r--r--user/refresh.go117
-rw-r--r--user/router.go87
-rw-r--r--user/service.go (renamed from user/db_actions.go)0
5 files changed, 296 insertions, 83 deletions
diff --git a/user/controller.go b/user/controller.go
new file mode 100644
index 0000000..df13a06
--- /dev/null
+++ b/user/controller.go
@@ -0,0 +1,105 @@
+/* OpenBills-server - Server for libre billing software OpenBills-web
+ * Copyright (C) 2022 Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
+
+ * 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 (
+ "errors"
+ "github.com/gin-gonic/gin"
+ "go.mongodb.org/mongo-driver/bson/primitive"
+ "go.mongodb.org/mongo-driver/mongo"
+ "log"
+ "net/http"
+)
+
+func getSelf(ctx *gin.Context) {
+ hex := ctx.MustGet("userId").(string)
+ id, err := primitive.ObjectIDFromHex(hex)
+ if err != nil {
+ ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ log.Printf("ERROR: Failed to modify user, Error parsing ID: %v\n", err.Error())
+ return
+ }
+
+ user, err := getUser(id)
+ if err != nil {
+ log.Printf("ERROR: Failed to read user %d info from DB: %v\n", id, err.Error())
+ if errors.Is(err, mongo.ErrNoDocuments) {
+ ctx.AbortWithStatusJSON(http.StatusNotFound, gin.H{"error": err.Error()})
+ } else {
+ ctx.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ }
+ }
+
+ ctx.JSON(http.StatusOK, user)
+}
+
+func save(ctx *gin.Context) {
+ u := ctx.MustGet("user").(User)
+ // TODO: maybe add an invite code for some instances
+
+ _, err := saveUser(u)
+ if err != nil {
+ log.Printf("ERROR: Failed to add new user %v to DB: %v\n", u, err.Error())
+ ctx.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": "could not login"})
+ }
+
+ log.Printf("Successfully saved new user to DB: %s", u.UserName)
+ ctx.JSON(http.StatusOK, nil)
+}
+
+func modify(ctx *gin.Context) {
+ id := ctx.Param("userId")
+ objectId, err := primitive.ObjectIDFromHex(id)
+ if err != nil {
+ ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ log.Printf("ERROR: Failed to modify user, Error parsing ID: %v\n", err.Error())
+ return
+ }
+
+ var u User
+ ctx.BindJSON(&u)
+ err = modifyUser(objectId, u)
+ if err != nil {
+ ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ log.Printf("ERROR: Failed to modify user %v: %v\n", objectId, err.Error())
+ return
+ }
+
+ log.Printf("Modified user %v to %v.\n", objectId, u)
+ ctx.JSON(http.StatusOK, nil)
+}
+
+func remove(ctx *gin.Context) {
+ id := ctx.Param("userId")
+ objectId, err := primitive.ObjectIDFromHex(id)
+ if err != nil {
+ ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ log.Printf("ERROR: Failed to delete user, Error parsing ID: %v\n", err.Error())
+ return
+ }
+
+ err = deleteUser(objectId)
+ if err != nil {
+ ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+ log.Printf("ERROR: Failed to delete user %v: %v\n", objectId, err.Error())
+ return
+ }
+
+ log.Printf("Deleted user %v from database.\n", objectId)
+ ctx.JSON(http.StatusOK, nil)
+}
diff --git a/user/password.go b/user/password.go
new file mode 100644
index 0000000..d667ebc
--- /dev/null
+++ b/user/password.go
@@ -0,0 +1,70 @@
+/* OpenBills-server - Server for libre billing software OpenBills-web
+ * Copyright (C) 2022 Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
+
+ * 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"
+ "go.mongodb.org/mongo-driver/bson"
+ "go.mongodb.org/mongo-driver/mongo"
+ "golang.org/x/crypto/bcrypt"
+ "log"
+ "net/http"
+)
+
+func checkPassword() gin.HandlerFunc {
+ return func(ctx *gin.Context) {
+ var u User
+ ctx.BindJSON(&u)
+
+ filter := bson.M{
+ "$or": []bson.M{
+ // u.UserName in this case can be either username or email
+ {"Email": u.UserName},
+ {"UserName": u.UserName},
+ },
+ }
+
+ // check if the user exists in DB
+ var user User
+ err := db.FindOne(ctx, filter).Decode(&user)
+ if err != nil {
+ if err == mongo.ErrNoDocuments {
+ ctx.JSON(http.StatusNotFound, gin.H{"error": "user does not exist"})
+ } else {
+ log.Printf("Error while reading user from DB to check password: %v", err.Error())
+ ctx.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
+ }
+ ctx.Abort()
+ } else {
+ // compare hash and password
+ err = bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(u.Password))
+ if err != nil {
+ if err == bcrypt.ErrMismatchedHashAndPassword {
+ ctx.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "incorrect password"})
+ } else {
+ log.Printf("Error while checking password: %v", err.Error())
+ ctx.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
+ }
+ }
+ }
+
+ // everything's fine!
+ ctx.Set("user", user)
+ ctx.Next()
+ }
+}
diff --git a/user/refresh.go b/user/refresh.go
new file mode 100644
index 0000000..72a7655
--- /dev/null
+++ b/user/refresh.go
@@ -0,0 +1,117 @@
+/* OpenBills-server - Server for libre billing software OpenBills-web
+ * Copyright (C) 2022 Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
+
+ * 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 (
+ "context"
+ "errors"
+ "fmt"
+ "github.com/MikunoNaka/OpenBills-server/util"
+ "github.com/gin-gonic/gin"
+ "github.com/golang-jwt/jwt/v4"
+ "go.mongodb.org/mongo-driver/bson"
+ "go.mongodb.org/mongo-driver/bson/primitive"
+ "net/http"
+ "time"
+)
+
+var (
+ errUserNotFound error = errors.New("user does not exist")
+ refreshSecret []byte
+)
+
+func init() {
+ conf := util.GetConfig().Crypto
+ refreshSecret = []byte(conf.RefreshTokenSecret)
+}
+
+// middleware to check refresh token
+func verifyRefreshToken() gin.HandlerFunc {
+ return func(ctx *gin.Context) {
+ refreshToken, err := ctx.Cookie("refreshToken")
+ fmt.Println(refreshToken)
+ if err == nil {
+ token, err := jwt.ParseWithClaims(refreshToken, &jwt.StandardClaims{}, func(token *jwt.Token) (interface{}, error) {
+ return []byte(refreshSecret), nil
+ })
+ if err != nil { // invalid token
+ ctx.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "invalid token"})
+ } else { // valid token
+ // convert id from string to ObjectID
+ id, _ := primitive.ObjectIDFromHex(token.Claims.(*jwt.StandardClaims).Issuer)
+
+ // check if user exists
+ var u User
+ if err := db.FindOne(context.TODO(), bson.M{"_id": id}).Decode(&u); err != nil {
+ ctx.AbortWithStatusJSON(http.StatusNotFound, gin.H{"message": "user not found"})
+ } else {
+ // check if this refreshToken is in DB
+ for _, i := range u.Sessions {
+ if i.Token == refreshToken {
+ ctx.Set("user", u)
+ ctx.Next()
+ }
+ }
+ ctx.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "refresh token expired"})
+ }
+ }
+ } else {
+ // invalid Authorization header
+ ctx.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "not logged in"})
+ }
+ }
+}
+
+/*
+ * the refresh token has a long lifespan and is stored in
+ * the database in case it needs to be revoked.
+ *
+ * this can be stored as an HTTP only cookie and will be used
+ * when creating a new access token
+ *
+ * I'm using a different secret key for refresh tokens
+ * for enhanced security
+ */
+func newRefreshToken(userId string) (string, int64, error) {
+ // convert id from string to ObjectID
+ id, _ := primitive.ObjectIDFromHex(userId)
+
+ // check if user exists
+ var u User
+ if err := db.FindOne(context.TODO(), bson.M{"_id": id}).Decode(&u); err != nil {
+ return "", 0, errUserNotFound
+ }
+
+ // generate refresh token
+ expiresAt := time.Now().Add(time.Hour * 12).Unix()
+ claims := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.StandardClaims{
+ Issuer: userId,
+ ExpiresAt: expiresAt,
+ })
+ token, err := claims.SignedString(refreshSecret)
+ if err != nil {
+ return "", expiresAt, err
+ }
+
+ // store refresh token in db with unique session name for ease in identification
+ sessionName := time.Now().Format("01-02-2006.15:04:05") + "-" + u.UserName
+ u.Sessions = append(u.Sessions, Session{Name: sessionName, Token: token})
+ db.UpdateOne(context.TODO(), bson.M{"_id": id}, bson.D{{"$set", u}})
+
+ return token, expiresAt, nil
+}
diff --git a/user/router.go b/user/router.go
index 6e84185..ad9b4df 100644
--- a/user/router.go
+++ b/user/router.go
@@ -19,94 +19,15 @@ package user
import (
"github.com/MikunoNaka/OpenBills-server/util"
- "errors"
"github.com/gin-gonic/gin"
- "go.mongodb.org/mongo-driver/bson/primitive"
- "go.mongodb.org/mongo-driver/mongo"
- "log"
- "net/http"
)
-
func Routes(route *gin.Engine) {
u := route.Group("/user")
{
- u.GET("/", util.Authorize(), func(ctx *gin.Context) {
- hex := ctx.MustGet("userId").(string)
- id, err := primitive.ObjectIDFromHex(hex)
- if err != nil {
- ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
- log.Printf("ERROR: Failed to modify user, Error parsing ID: %v\n", err.Error())
- return
- }
-
- user, err := getUser(id)
- if err != nil {
- log.Printf("ERROR: Failed to read user %d info from DB: %v\n", id, err.Error())
- if errors.Is(err, mongo.ErrNoDocuments) {
- ctx.AbortWithStatusJSON(http.StatusNotFound, gin.H{"error": err.Error()})
- } else {
- ctx.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
- }
- }
-
- ctx.JSON(http.StatusOK, user)
- })
-
- u.POST("/new", validateMiddleware(), func(ctx *gin.Context) {
- u := ctx.MustGet("user").(User)
- // TODO: maybe add an invite code for some instances
-
- _, err := saveUser(u)
- if err != nil {
- log.Printf("ERROR: Failed to add new user %v to DB: %v\n", u, err.Error())
- ctx.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": "could not login"})
- }
-
- log.Printf("Successfully saved new user to DB: %s", u.UserName)
- ctx.JSON(http.StatusOK, nil)
- })
-
- u.PUT("/:userId", func(ctx *gin.Context) {
- id := ctx.Param("userId")
- objectId, err := primitive.ObjectIDFromHex(id)
- if err != nil {
- ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
- log.Printf("ERROR: Failed to modify user, Error parsing ID: %v\n", err.Error())
- return
- }
-
- var u User
- ctx.BindJSON(&u)
- err = modifyUser(objectId, u)
- if err != nil {
- ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
- log.Printf("ERROR: Failed to modify user %v: %v\n", objectId, err.Error())
- return
- }
-
- log.Printf("Modified user %v to %v.\n", objectId, u)
- ctx.JSON(http.StatusOK, nil)
- })
-
- u.DELETE("/:userId", func(ctx *gin.Context) {
- id := ctx.Param("userId")
- objectId, err := primitive.ObjectIDFromHex(id)
- if err != nil {
- ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
- log.Printf("ERROR: Failed to delete user, Error parsing ID: %v\n", err.Error())
- return
- }
-
- err = deleteUser(objectId)
- if err != nil {
- ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
- log.Printf("ERROR: Failed to delete user %v: %v\n", objectId, err.Error())
- return
- }
-
- log.Printf("Deleted user %v from database.\n", objectId )
- ctx.JSON(http.StatusOK, nil)
- })
+ u.GET("/", util.Authorize(), getSelf)
+ u.POST("/new", validateMiddleware(), save)
+ u.PUT("/:userId", checkPassword(), modify)
+ u.DELETE("/:userId", checkPassword(), remove)
}
}
diff --git a/user/db_actions.go b/user/service.go
index 51490e7..51490e7 100644
--- a/user/db_actions.go
+++ b/user/service.go
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 06:09:47 +0000