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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25 lines
880 B
25 lines
880 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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$msg = $db->real_escape_string($_REQUEST['msg']); |
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$pgp = gnupg_init(); |
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if (strlen($_REQUEST['msg'])>100000) error("message is too long"); |
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if (!$pgp) error("pgp on server failed"); |
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$q = $db->query("select pubkey from user where name='$user';"); |
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if (!$q || $q->num_rows!=1) error("user not found on server"); |
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$pubkey = gnupg_import($pgp, $q->fetch_row()[0]); |
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if (!$pubkey) error("wrong identity"); |
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require_once("messagetable.php"); |
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$q = $db->query("insert into message (user, msg) values ('$user', '$msg');"); |
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if (!$q) { |
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error_log("Error storing message: ".$db->error); |
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error("storing message failed"); |
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} |
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success("message stored"); |
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} catch (Exception $e) { |
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error_log("Error storing message: ".$e->message); |
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error("storing message failed"); |
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} |
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?>
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