Fully end to end encrypted anonymous chat program. Server only stores public key lookup for users and the encrypted messages. No credentials are transfered to the server, but kept in local browser storage. This allows 100% safe chatting.
https://safechat.ch
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28 lines
1.0 KiB
28 lines
1.0 KiB
<?php |
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try { |
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require_once("usertable.php"); |
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$user = $db->real_escape_string($_REQUEST['user']); |
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$pubkey = $db->real_escape_string($_REQUEST['pubkey']); |
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$pgp = gnupg_init(); |
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if (!$pgp) { |
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echo json_encode(array('success' => false, 'txt' => "pgp on server failed")); |
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} else { |
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$verify = gnupg_import($pgp, $_REQUEST['pubkey']); |
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if (!$verify) { |
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echo json_encode(array('success' => false, 'txt' => "wrong identity")); |
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} else { |
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$q = $db->query("select * from user where name='$user' and pubkey='$pubkey';"); |
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if ($q->num_rows==1) { |
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echo json_encode(array('success' => true, 'txt' => "user verified")); |
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} elseif ($q->num_rows==0) { |
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$q = $db->query("insert into user (name, pubkey) values ('$user', '$pubkey');"); |
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echo json_encode(array('success' => true, 'txt' => "user created")); |
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} else { |
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echo json_encode(array('success' => false, 'txt' => "server database defect")); |
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} |
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} |
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} |
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} catch (Exception $e) { |
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echo json_encode(array('success' => false, 'txt' => "login failed")); |
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} |
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?>
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