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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23 lines
800 B
23 lines
800 B
<?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) error("pgp on server failed"); |
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$verify = gnupg_import($pgp, $_REQUEST['pubkey']); |
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if (!$verify) error("wrong identity"); |
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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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success("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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if (!q) error("creation of user failed"); |
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success("user created"); |
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} else { |
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error("server database defect"); |
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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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