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added send

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vincent 2025-04-19 10:18:26 +02:00
parent 00bffab9e2
commit 53a52632a7
1 changed files with 119 additions and 5 deletions
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124
send.php
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@ -4,10 +4,124 @@
* smzint/Messages (c) schmamazon.com 2025
*/
echo $_POST["by"];
echo "<br>";
echo $_POST["receiver"];
echo "<br>";
echo $_POST["body"];
include('../Auth/index.php');
$by = filter_var($_POST["by"], FILTER_SANITIZE_STRING);
$receiver = filter_var($_POST["receiver"], FILTER_SANITIZE_STRING);
$body = filter_var($_POST["body"], FILTER_SANITIZE_STRING);
$color = filter_var($_POST["color"], FILTER_SANITIZE_STRING);
$body_hash = hash('sha256', $body);
$messageId = uniqid();
receiverCheck($by);
pushMetadata($messageId, $receiver, $color, $body_hash);
function receiverCheck($by){
global $receiver;
include('search.php');
switch ($by) {
case '0':
if (uid($receiver) == false){
echo "FATAL: Empfänger ($receiver) nicht gefunden (searched by ID)";
die();
}
break;
case '1':
if (username($receiver) == false){
echo "FATAL: Empfänger ($receiver) nicht gefunden (searched by NAME)";
}else{
$receiver = username($receiver);
}
break;
}
}
function pushMetadata($messageId, $receiver, $color, $body_hash){
$sender_info = "".$_SERVER['REMOTE_ADDR'].", ". $_SERVER['HTTP_USER_AGENT']."";
global $dbservername;
global $dbusername;
global $dbpassword;
global $dbname;
global $uid;
$conn = new mysqli($dbservername, $dbusername, $dbpassword, $dbname);
if ($conn->connect_error) {
die("Server Error");
}
$sql = "INSERT INTO smz_messages_metadata (message, sender, receiver, sender_info, color, body_hash) VALUES ('$messageId', '$uid', '$receiver', '$sender_info', '$color', '$body_hash')";
if ($conn->query($sql) === TRUE) {
echo "Metadaten erfolgreich gespeichert";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
}
function pushInternal($messageId, $body){
global $dbservername;
global $dbusername;
global $dbpassword;
global $dbname;
$conn = new mysqli($dbservername, $dbusername, $dbpassword, $dbname);
if ($conn->connect_error) {
die("Server Error");
}
$sql = "INSERT INTO smz_messages_internal (message_id, message_body) VALUES ('$messageId', '$body')";
if ($conn->query($sql) === TRUE) {
echo "INTERNAL erfolgreich gespeichert";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
}
function pushExternal($messageId, $body){
global $dbservername;
global $dbusername;
global $dbpassword;
global $dbname;
$conn = new mysqli($dbservername, $dbusername, $dbpassword, $dbname);
if ($conn->connect_error) {
die("Server Error");
}
$sql = "INSERT INTO smz_messages_external (message_id, message_body) VALUES ('$messageId', '$body')";
if ($conn->query($sql) === TRUE) {
echo "EXTERNAL erfolgreich gespeichert";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
}
include('keyGrab.php');
$sender_key = grabPublicKey($uid);
$receiver_key = grabPublicKey($receiver);
$encryptedBodyINTERNAL = '';
$encryptedBodyEXTERNAL = '';
$encryptedINTERNAL = openssl_public_encrypt($body, $encryptedBodyINTERNAL, $sender_key, OPENSSL_PKCS1_PADDING);
$encryptedEXTERNAL = openssl_public_encrypt($body, $encryptedBodyEXTERNAL, $receiver_key, OPENSSL_PKCS1_PADDING);
if ($encryptedINTERNAL === false) {
die("Fehler beim Verschlüsseln (internal): " . openssl_error_string());
}
if ($encryptedEXTERNAL === false) {
die("Fehler beim Verschlüsseln (external): " . openssl_error_string());
}
pushInternal($messageId, base64_encode($encryptedBodyINTERNAL));
pushExternal($messageId, base64_encode($encryptedBodyEXTERNAL));
echo "<h1>ERFOLG</1>";
?>