corrade-http-templates – Rev 2

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<?php

###########################################################################
##  Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3      ##
###########################################################################
## This is a script that sends a group message using Corrade.            ##
###########################################################################

###########################################################################
##                            CONFIGURATION                              ##
###########################################################################

# Set this to the name of the group.
$GROUP = 'My Group';
# Set this to the group password.
$PASSWORD = 'mypassword';
# Set this to Corrade's HTTP Server URL.
$URL = 'http://corrade.internal.sever:8080';

###########################################################################
##                               INTERNALS                               ##
###########################################################################

# If no avatars have been sent, then bail.
if(!isset($_POST['avatars'])) return;

###########################################################################
##  Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3      ##
###########################################################################
function wasKeyValueGet($key, $data) {
    return array_reduce(
        explode(
            "&", 
            $data
        ),
        function($o, $p) {
            $x = explode("=", $p);
            return array_shift($x) != $o ? $o : array_shift($x);
        },
        $key
    );
}

###########################################################################
##  Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3      ##
###########################################################################
function wasArrayToCSV($a) {
    return implode(
        ',',
        array_map(
            function($o) {
                $o = str_replace('"', '""', $o);
                switch(
                    (strpos($o, ' ') !== FALSE) ||
                    (strpos($o, '"') !== FALSE) ||
                    (strpos($o, ',') !== FALSE) ||
                    (strpos($o, '\r') !== FALSE) ||
                    (strpos($o, '\n') !== FALSE)
                )
                {
                    case TRUE:
                        return '"' . $o . '"';
                    default:
                        return $o;
                }
            },
            $a
        )
    );
}

###########################################################################
##  Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3      ##
###########################################################################
function wasCSVToArray($csv) {
    $l = array();
    $s = array();
    $m = "";
    for ($i = 0; $i < strlen($csv); ++$i) {
        switch ($csv{$i}) {
            case ',':
                if (sizeof($s) == 0 || !current($s) == '"') {
                    array_push($l, $m);
                    $m = "";
                    break;
                }
                $m .= $csv{$i};
                continue;
            case '"':
                if ($i + 1 < strlen($csv) && $csv{$i} == $csv{$i + 1}) {
                    $m .= $csv{$i};
                    ++$i;
                    break;
                }
                if (sizeof($s) == 0|| !current($s) == $csv[$i]) {
                    array_push($s, $csv{$i});
                    continue;
                }
                array_pop($s);
                break;
            default:
                $m .= $csv{$i};
                break;
        }
    }
    array_push($l, $m);
    return $l;
}

####
# I. Build the list of invites to send to Corrade.
$invites = array();
foreach(
    array_filter(explode("\n", $_POST['avatars']), 'trim') as $avatar) {
    $nameUUID = preg_split("/[\s]+/", $avatar);
    switch(count($nameUUID)) {
        case 2:
        case 1:
            array_push($invites, $avatar);
        break;
    }
}

# Do not bother with an empty list of invites
if(count($invites) == 0) {
    echo implode(PHP_EOL, $invites);
    return -1;
}

####
# II. Build the command by name.
$params = array(
    'command' => 'batchinvite',
    'group' => $GROUP,
    'password' => $PASSWORD,
    'avatars' => wasArrayToCSV($invites)
);

####
# III. Escape the data to be sent to Corrade.
array_walk($params,
    function(&$value, $key) {
        $value = rawurlencode($key)."=".rawurlencode($value);
    }
);
$postvars = implode('&', $params);

####
# IV. Use curl to send the message.
if (!($curl = curl_init())) {
    print 0;
    return;
}
curl_setopt($curl, CURLOPT_URL, $URL);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $postvars);
$result = curl_exec($curl);
curl_close($curl);

####
# V. Grab the status of the command.
$status = urldecode(
    wasKeyValueGet(
        "success", 
        $result
    )
);


####
# VI. Check the status of the command.
switch($status) {
    case "False":
        return -1;
}

####
# V. Return any avatars or UUIDs for which invites could not be sent.
echo implode(
    PHP_EOL, 
    wasCSVToArray(
        urldecode(
            wasKeyValueGet(
                "data", 
                $result
            )
        )
    )
);

return 0;

?>