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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48 lines
1.5 KiB
48 lines
1.5 KiB
<?php |
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/*! @file |
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@id $Id$ |
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*/ |
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// 1 2 3 4 5 6 7 8 |
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// 45678901234567890123456789012345678901234567890123456789012345678901234567890 |
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/// Send a message to the server |
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/** Server checks if user exists and has |
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a valid public key. More test could be added later. |
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@param $user The name of the user that send the message. |
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@param $msg The armored signed and encrypted message. There is a |
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limit of 100000 bytes for the message. |
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@return |
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- success() if the message has been stored successfully |
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- error() in case of any error |
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@api Send Message to Server |
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*/ |
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function send($user, $msg) { |
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try { |
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require_once("opendb.php"); |
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$user = $db->real_escape_string($user); |
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$msg = $db->real_escape_string($msg); |
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if (strlen($_REQUEST['msg'])>100000) error("message is too long"); |
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$q = $db->query("select pubkey from user where name='$user';"); |
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if (!$q || $q->num_rows!=1) error("user not found on server"); |
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/* |
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$pubkey = gnupg_import($pgp, $q->fetch_row()[0]); |
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if (!$pubkey) error("wrong identity"); |
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*/ |
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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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send($_REQUEST['user'], $_REQUEST['msg']); |
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?>
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