From c7f1e84ec4ceb02bcdcb042b781ae23b02bb025f Mon Sep 17 00:00:00 2001
From: Whispering Wind <151555003+ReturnFI@users.noreply.github.com>
Date: Mon, 19 Aug 2024 00:53:55 +0330
Subject: [PATCH 1/3] case-insensitive

---
 core/scripts/telegrambot/tbot.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/scripts/telegrambot/tbot.py b/core/scripts/telegrambot/tbot.py
index 28163b4..83f77dd 100644
--- a/core/scripts/telegrambot/tbot.py
+++ b/core/scripts/telegrambot/tbot.py
@@ -55,9 +55,12 @@ def process_add_user_step1(message):
     
     try:
         users = json.loads(result)
+        existing_users = {user.lower() for user in users.keys()}
 
-        if username in users:
+        if username.lower() in existing_users:
             bot.reply_to(message, f"Username '{username}' already exists. Please choose a different username.")
+            msg = bot.reply_to(message, "Enter a new username:")
+            bot.register_next_step_handler(msg, process_add_user_step1)
             return
     except json.JSONDecodeError:
         if "No such file or directory" in result or result.strip() == "":

From e119f4990b3d598fc193ee97f279b56bd27741da Mon Sep 17 00:00:00 2001
From: Whispering Wind <151555003+ReturnFI@users.noreply.github.com>
Date: Mon, 19 Aug 2024 00:55:15 +0330
Subject: [PATCH 2/3] Handle Error

---
 core/cli.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/core/cli.py b/core/cli.py
index 947634c..709f93f 100644
--- a/core/cli.py
+++ b/core/cli.py
@@ -123,9 +123,11 @@ def add_user(username: str, traffic_limit: int, expiration_days: int, password:
             exit(1)
     if not creation_date:
         creation_date = datetime.now().strftime('%Y-%m-%d')
-
-    run_cmd(['bash', Command.ADD_USER.value, username, str(traffic_limit), str(expiration_days), password, creation_date])
-
+    try:
+        run_cmd(['bash', Command.ADD_USER.value, username, str(traffic_limit), str(expiration_days), password, creation_date])
+    except subprocess.CalledProcessError as e:
+        click.echo(f"{e.output.decode()}", err=True)
+        exit(1)
 
 @cli.command('edit-user')
 @click.option('--username', '-u', required=True, help='Username for the user to edit', type=str)

From 3d38c58b051ec5e15f8e3e20012a3f509db77452 Mon Sep 17 00:00:00 2001
From: Whispering Wind <151555003+ReturnFI@users.noreply.github.com>
Date: Mon, 19 Aug 2024 00:56:55 +0330
Subject: [PATCH 3/3] Check username (case-insensitive)

---
 core/scripts/hysteria2/add_user.sh | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/core/scripts/hysteria2/add_user.sh b/core/scripts/hysteria2/add_user.sh
index 267c265..925484d 100644
--- a/core/scripts/hysteria2/add_user.sh
+++ b/core/scripts/hysteria2/add_user.sh
@@ -1,11 +1,7 @@
 #!/bin/bash
 
-# Source the path.sh script to load the necessary variables
 source /etc/hysteria/core/scripts/path.sh
-# source /etc/hysteria/core/scripts/utils.sh
-# define_colors
 
-# Function to add a new user to the configuration
 add_user() {
     if [ $# -ne 3 ] && [ $# -ne 5 ]; then
         echo "Usage: $0 <username> <traffic_limit_GB> <expiration_days> [password] [creation_date]"
@@ -18,45 +14,49 @@ add_user() {
     password=$4
     creation_date=$5
 
+    username_lower=$(echo "$username" | tr '[:upper:]' '[:lower:]')
+
     if [ -z "$password" ]; then
         password=$(pwgen -s 32 1)
     fi
     if [ -z "$creation_date" ]; then
         creation_date=$(date +%Y-%m-%d)
     else
-        # Validate the date format (YYYY-MM-DD)
         if ! [[ "$creation_date" =~ ^[0-9]{4}-[0-9]{2}-[0-9]{2}$ ]]; then
             echo "Invalid date format. Expected YYYY-MM-DD."
             exit 1
         fi
-        # Check if the date is valid
+
         if ! date -d "$creation_date" >/dev/null 2>&1; then
             echo "Invalid date. Please provide a valid date in YYYY-MM-DD format."
             exit 1
         fi
     fi
 
-    # Validate the username
     if ! [[ "$username" =~ ^[a-zA-Z0-9]+$ ]]; then
         echo -e "${red}Error:${NC} Username can only contain letters and numbers."
         exit 1
     fi
 
-    # Convert GB to bytes (1 GB = 1073741824 bytes)
     traffic=$(echo "$traffic_gb * 1073741824" | bc)
 
     if [ ! -f "$USERS_FILE" ]; then
         echo "{}" > "$USERS_FILE"
     fi
 
-    jq --arg username "$username" --arg password "$password" --argjson traffic "$traffic" --argjson expiration_days "$expiration_days" --arg creation_date "$creation_date" \
+    user_exists=$(jq --arg username "$username_lower" '
+        to_entries[] | select(.key | ascii_downcase == $username) | .key' "$USERS_FILE")
+
+    if [ -n "$user_exists" ]; then
+        echo "User already exists."
+        exit 1
+    fi
+
+    jq --arg username "$username_lower" --arg password "$password" --argjson traffic "$traffic" --argjson expiration_days "$expiration_days" --arg creation_date "$creation_date" \
     '.[$username] = {password: $password, max_download_bytes: $traffic, expiration_days: $expiration_days, account_creation_date: $creation_date, blocked: false}' \
     "$USERS_FILE" > "${USERS_FILE}.temp" && mv "${USERS_FILE}.temp" "$USERS_FILE"
 
-    # python3 "$CLI_PATH" restart-hysteria2 > /dev/null 2>&1
-
     echo -e "User $username added successfully."
 }
 
-# Call the function with the provided arguments
 add_user "$1" "$2" "$3" "$4" "$5"