TC
/
WebStick


			
				
					
						
						
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							<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Users List</title>
        <meta name="viewport" content="width=device-width, initial-scale=1" >

        <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.4.1/semantic.min.css" />
        <script src="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.4.1/semantic.min.js"></script>
        <style>
            body{
                background-color: rgb(243, 243, 243);
            }
        </style>
    </head>
    <body>
        <br>
        <div class="ui container">
            <div class="ui segment">
                <h4 class="ui header">
                    <img src="img/user.svg">
                    <div class="content">
                      <span id="currentUsername"><i class="ui loading spinner icon"></i> Loading</span>
                      <div class="sub header">Current User Information</div>
                    </div>
                </h4>
            </div>
            <div class="ui segment">
                <table class="ui unstackable basic celled table">
                    <thead>
                      <tr><th>Username</th>
                      <th>Actions</th>
                    </tr></thead>
                    <tbody id="userTable">
                      <tr>
                        <td colspan="2"><i class="ui loading spinner icon"></i> Loading</td>
                      </tr>
                    </tbody>
                </table>
                <div class="ui divider"></div>
                <form id="newUserForm" class="ui form" onsubmit="handleNewUser(event);">
                    <div class="field">
                      <label>Username</label>
                      <input id="username" type="text">
                    </div>
                    <div class="field">
                      <label>Password</label>
                      <input id="password" type="password">
                    </div>
                    <div class="field">
                        <label>Confirm Password</label>
                        <input id="confirmpw" type="password">
                    </div>
                    <button class="ui basic button"><i class="ui green add icon"></i> Create User</button>
                </form>
               
            </div>
        </div>
        <script>
            var currentUserInfo = {};
            //Load current login user info from server
            function initUserInfo(){
                $.get("/api/user/info", function(data){
                    currentUserInfo = data;
                    var html = data.username;
                    if (data.admin){
                        html += ` <i class="yellow shield alternate icon"></i>`;
                    }else{
                        //Hide the new user section
                        $("#newUserForm").remove();
                    }
                    $("#currentUsername").html(html);
                    initUserList();
                })
            }
            initUserInfo();

            //Load user list from WebStick
            function initUserList(){
                $("#userTable").html(`<tr>
                    <td colspan="2"><i class="ui loading spinner icon"></i> Loading</td>
                </tr>`);
                $.get("/api/user/list", function(data){
                    if (data.error != undefined){
                        alert(data.error);
                    }else{
                        $("#userTable").html(``);
                        data.forEach(function(user){
                            let username = user.Username;

                            if (!currentUserInfo.admin){
                                //Not admin
                                var actionField = '<small style="opacity: 0.3;">No available actions</small>';
                                if (username == currentUserInfo.username){
                                    actionField = `<button class="ui basic button" onclick="changePassword('${username}');"><i class="ui blue edit icon"></i> Change Password</button>`;
                                }
                                $("#userTable").append(`<tr>
                                    <td>${username}</td>
                                    <td>
                                        ${actionField}
                                    </td>
                                </tr>`);
                            }else{
                                //admin
                                $("#userTable").append(`<tr>
                                    <td>${username}</td>
                                    <td userid="${username}">
                                        <button class="ui basic button" onclick="changePassword('${username}');"><i class="ui blue edit icon"></i> Change Password</button>
                                        <button class="ui basic button" onclick="delUser('${username}');"><i class="ui red trash icon"></i> Remove</button>
                                    </td>
                                </tr>`);
                            }
                           
                        });

                        if (data.length == 0){
                            $("#userTable").append(`<tr>
                                <td colspan="2"><i class="green circle check icon"></i> No registered user</td>
                            </tr>`);
                        }
                    }
                })
            }
            

            //Create new user
            function handleNewUser(e){
                e.preventDefault();
                let username = $("#username").val().trim();
                let password = $("#password").val().trim();
                let confirmpw = $("#confirmpw").val().trim();

                if (password != confirmpw){
                    //Mismatch
                    $("#confirmpw").parent().addClass("error");
                    return;
                }else{
                    $("#confirmpw").parent().removeClass("error");
                }

                //Create the user
                $.post("/api/user/new?username=" + username + "&password=" + password, function(data){
                    if (data.error != undefined){
                        alert(data.error);
                    }else{
                        //User added
                        initUserList();
                        $("#username").val("");
                        $("#password").val("");
                        $("#confirmpw").val("");
                    }
                })
            }

            //Server side will check for if you are admin
            function delUser(username){
                $.post("/api/user/del?username=" + username, function(data){
                    if (data.error != undefined){
                        alert(data.error);
                    }else{
                        //ok!
                        initUserList();
                    }
                })
            }

            //Change password, admin can change all user's password, 
            //user can only change their own password
            function changePassword(username){
                let newpassword = prompt("New password", "");
                let confirmNewPassword  = prompt("Confirm new password", "");
                if (newpassword != confirmNewPassword){
                    alert("Confirm password not match!");
                    return;
                }

                //Request server side to change user password
                $.post("/api/user/chpw?username=" + username + "&newpw=" + newpassword, function(data){
                    if (data.error != undefined){
                        alert(data.error);
                    }else{
                        alert("Password updated!");
                    }
                })
            }
        </script>
    </body>
</html>