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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30 lines
774 B
30 lines
774 B
<?php |
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/*! @file |
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API-call checknewuser.php |
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Check if a user exists in the server's user table. |
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@param user user name to check |
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@return json encoded value: |
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- 'user name as string', if user does exist |
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- null, if user does not exist or in case of error |
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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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require_once("usertable.php"); |
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try { |
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$user = $db->real_escape_string($_REQUEST['user']); |
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$q = $db->query("select * from user where name='$user';"); |
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if ($q->num_rows==0) { |
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echo json_encode($_REQUEST['user']); |
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} else { |
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echo json_encode(null); |
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} |
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} catch (Exception $e) { |
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echo json_encode(null); |
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} |
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?>
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