48 lines
1.5 KiB
PHP
48 lines
1.5 KiB
PHP
<?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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/// Verify a user
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/** Check if a user is consistent to the data in the server's database
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or create a user, if he does not yet exist in the usertable
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(and the user name is available).
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@param $user user's name
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@param $pubkey user's public key
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@return json encoded status with text:
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- success() in case of success (user exists or has been created)
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- error() in case of mismatch
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@api Verify a User
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*/
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function login($user, $pubkey) {
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try {
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require_once("opendb.php");
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if ($user=="safechat") error("username safechat is reserved for server");
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$verify = gnupg_import($pgp, $pubkey);
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if (!$verify) error("wrong identity");
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$user = $db->real_escape_string($user);
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$pubkey = $db->real_escape_string($pubkey);
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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 $user found on server");
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} elseif ($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 $user created on server");
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} else {
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error("server database defect");
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}
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} catch (Exception $e) {
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error("login failed");
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}
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}
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login($_REQUEST['user'], $_REQUEST['pubkey']);
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?>
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