Citations_old/api.php

<?php
session_start();
$mysqllogin = json_decode(file_get_contents("secrets/MysqlLogin.json"), false);

$mysqli = new mysqli('localhost', $mysqllogin->DBUser, $mysqllogin->DBPassword, $mysqllogin->DBName);

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $action = $_POST["action"];

    if($action == "login"){
        $uname = $_POST["username"];
        $pwd = $_POST["password"];
        $stmt1 = $mysqli->prepare("SELECT Password, ID, FullName, Nickname, CanSeeFullNames, CanSeeOthersComments, IsAdmin FROM Users WHERE Username = %s;");
        $stmt1->bind_param('s', $uname);
        $stmt1->bind_result($pwdhash, $uid, $fullname, $nick, $fullnamepriv, $otherscommentspriv, $adminpriv);
        $stmt1->execute();
        $stmt1->store_result();
        if ($stmt1->num_rows > 0){
            while ($stmt1->fetch()){
                if(password_verify($pwd, $pwdhash)){
                    $_SESSION["username"] = $uname;
                    $_SESSION["loggedin"] = 1;
                    $_SESSION["userID"]  = $uid;
                    $_SESSION["fullname"] = $fullname;
                    $_SESSION["nickname"] = $nick;
                    $_SESSION["canseefullnames"] = $fullnamepriv;
                    $_SESSION["canseeotherscomments"] = $otherscommentspriv;
                    $_SESSION["isadmin"] = $adminpriv;
                }
            }
        }
        echo "Logged in";
        return;
    }

    if($action == "logout"){
        session_destroy();
        echo "Logged out";
        return;
    }




    function processUserRelated($actionin, mysqli $mysqliconn){

        if($actionin == "setnickname"){
            $newNick = $_POST["newnick"];
            $_SESSION["nickname"] = $newNick;
            $stmt2 = $mysqliconn->prepare("UPDATE Users SET Nickname=%s WHERE ID = %i;");
            $stmt2->bind_param('si', $newNick, $_SESSION["userID"]);
            $stmt2->execute();
            $stmt2->store_result();
        }

        if($actionin == "setfullname"){
            $newFull = $_POST["newFull"];
            $_SESSION["fullname"] = $newNick;
            $stmt3 = $mysqliconn->prepare("UPDATE Users SET FullName=%s WHERE ID = %i;");
            $stmt3->bind_param('si', $newFull, $_SESSION["userID"]);
            $stmt3->execute();
            $stmt3->store_result();
        }

        if($actionin == "setpassword"){
            $oldPWD = $_POST["oldPWD"];
            $newPWD = $_POST["newPWD"];
            $stmt4 = $mysqliconn->prepare("SELECT Password FROM Users WHERE ID = %i AND Username = %s;");
            $stmt4->bind_param('is', $_SESSION["userID"], $_SESSION["username"]);
            $stmt4->bind_result($pwdhash);
            $stmt4->execute();
            $stmt4->store_result();
            if ($stmt4->num_rows > 0){
                while ($stmt4->fetch()){
                    if(password_verify($oldPWD, $pwdhash)){
                        $stmt5 = $mysqliconn->prepare("UPDATE Users SET Password=%s WHERE ID = %i;");
                        $newPWDhash = password_hash($newPWD, PASSWORD_DEFAULT);
                        $stmt5->bind_param('si', $newPWDhash, $_SESSION["userID"]);
                        $stmt5->execute();
                        $stmt5->store_result();
                        return "Password changed";
                    }
                }
            }
        }

        if($actionin == "getallusers"){
            $stmt6 = $mysqliconn->prepare("SELECT Username, Nickname, FullName, IsAdmin FROM Users;");
            $stmt6->execute();
            $stmt6->bind_result($uname, $nick, $fnamex, $isadmin);
            $stmt6->store_result();
            $outarr = array();
            if ($stmt6->num_rows > 0){
                while ($stmt6->fetch()){
                    if ($_SESSION["canseefullnames"] == 1){
                        $fname = $fnamex;
                    }
                    else{
                        $fname = "";
                    }
                    $tmparr["username"] = $uname;
                    $tmparr["nickname"] = $nick;
                    $tmparr["fullname"] = $fname;
                    $tmparr["isadmin"] = $isadmin;
                    array_push($outarr, $tmparr);
                }
            }
            return json_encode($outarr);
        }

        if($actionin == "adduser"){
            $stmt6 = $mysqliconn->prepare("INSERT INTO Users");
            $stmt6->execute();
            $stmt6->bind_result($uname, $nick, $fnamex, $isadmin);
            $stmt6->store_result();
            $outarr = array();
            if ($stmt6->num_rows > 0){
                while ($stmt6->fetch()){
                    if ($_SESSION["canseefullnames"] == 1){
                        $fname = $fnamex;
                    }
                    else{
                        $fname = "";
                    }
                    $tmparr["username"] = $uname;
                    $tmparr["nickname"] = $nick;
                    $tmparr["fullname"] = $fname;
                    $tmparr["isadmin"] = $isadmin;
                    array_push($outarr, $tmparr);
                }
            }
            return json_encode($outarr);
        }

        return 0;
    }


    function processCitationRelated($actionin, mysqli $mysqliconn){
        
        if($actionin == "getcitations"){
            
        }

        if($actionin == "getrandomcitation"){
            
        }

        if($actionin == "getcitationfulltextsearch"){
            
        }

        if($actionin == "getcitationsbyuser"){
            
        }

        if($actionin == "getcitationsbysource"){
            
        }

        if($actionin == "getcitationsbytags"){
            
        }

        if($actionin == "getcitationbyverse"){
            
        }

        return 0;
    }


    function processTagsRelated($actionin, mysqli $mysqliconn){

        if($actionin == "createtag"){

        }

        if($actionin == "getalltags"){

        }

        if($actionin == "gettagsbycollection"){
            
        }

        return 0;
    }

    function processSourcesRelated($actionin, mysqli $mysqliconn){

        if($actionin == "createsource"){
            
        }

        if($actionin == "getallsources"){

        }

        if($actionin == "getallsourcesbycreator"){

        }

        return 0;
    }

    function processCommentRelated($actionin, mysqli $mysqliconn){

        if($actionin == "createcomment"){
            
        }

        if($actionin == "getallcommentsbycreator"){
            
        }

        if($actionin == "getcommentsbycitationlatestversion"){
            
        }

        if($actionin == "getcommentsbycitationallversions"){
            
        }

        return 0;
    }

    if($_SESSION["loggedin"] == 1){

        $citationreturn = processCitationRelated($action, $mysqli);
        if($citationreturn != 0){
            echo $citationreturn;
            return;
        }

        $commentreturn = processCommentRelated($action, $mysqli);
        if($commentreturn != 0){
            echo $commentreturn;
            return;
        }
        
        $tagsreturn = processTagsRelated($action, $mysqli);
        if($tagsreturn != 0){
            echo $tagsreturn;
            return;
        }

        $sourcereturn = processSourcesRelated($action, $mysqli);
        if($sourcereturn != 0){
            echo $sourcereturn;
            return;
        }

        $userreturn = processUserRelated($action, $mysqli);
        if($userreturn != 0){
            echo $userreturn;
            return;
        }
    }
    else{
        echo "Not logged in";
        return;
    }
}

?>