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vichan/8chan-captcha/entrypoint.php

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Time to commit our CAPTCHA
2015-03-13 00:48:05 +01:00
<?php
header('Access-Control-Allow-Origin: *');
$mode = @$_GET['mode'];
Close ctrlcctrlv/infinity#481 Also improve CAPTCHA portability into other parrts of the software by removing weird CAPTCHA-specific config file
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chdir('..'); // for "cool PHP CAPTCHA"'s resourcesPath
include "inc/functions.php"; // general 8chan functions
Time to commit our CAPTCHA
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switch ($mode) {
// Request: GET entrypoint.php?mode=get&extra=1234567890
// Response: JSON: cookie => "generatedcookie", captchahtml => "captchahtml", expires_in => 120
case "get":
if (!isset ($_GET['extra'])) {
die();
}
$extra = $_GET['extra'];
$nojs = isset($_GET['nojs']);
Rewrite report system due to flooding
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$captcha = generate_captcha($extra);
$cookie = $captcha['cookie'];
$html = $captcha['html'];
Time to commit our CAPTCHA
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if ($nojs) {
header("Content-type: text/html");
echo "<html><body>You do not have JavaScript enabled. To fill out the CAPTCHA, please copy the ID to the post form in the ID field, and write the answer in the answer field.<br><br>CAPTCHA ID: $cookie<br>CAPTCHA image: $html</body></html>";
} else {
header("Content-type: application/json");
Close ctrlcctrlv/infinity#481 Also improve CAPTCHA portability into other parrts of the software by removing weird CAPTCHA-specific config file
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echo json_encode(["cookie" => $cookie, "captchahtml" => $html, "expires_in" => $config['captcha']['expires_in']]);
Time to commit our CAPTCHA
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}
break;
// Request: GET entrypoint.php?mode=check&cookie=generatedcookie&extra=1234567890&text=captcha
// Response: 0 OR 1
case "check":
if (!isset ($_GET['mode'])
|| !isset ($_GET['cookie'])
|| !isset ($_GET['extra'])
|| !isset ($_GET['text'])) {
die();
}
Close ctrlcctrlv/infinity#481 Also improve CAPTCHA portability into other parrts of the software by removing weird CAPTCHA-specific config file
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cleanup();
Time to commit our CAPTCHA
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Close ctrlcctrlv/infinity#481 Also improve CAPTCHA portability into other parrts of the software by removing weird CAPTCHA-specific config file
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$query = prepare("SELECT * FROM `captchas` WHERE `cookie` = ? AND `extra` = ?");
Time to commit our CAPTCHA
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$query->execute([$_GET['cookie'], $_GET['extra']]);
$ary = $query->fetchAll();
if (!$ary) {
echo "0";
}
else {
Close ctrlcctrlv/infinity#481 Also improve CAPTCHA portability into other parrts of the software by removing weird CAPTCHA-specific config file
2015-04-25 13:50:07 +02:00
$query = prepare("DELETE FROM `captchas` WHERE `cookie` = ? AND `extra` = ?");
Time to commit our CAPTCHA
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$query->execute([$_GET['cookie'], $_GET['extra']]);
if ($ary[0]['text'] !== $_GET['text']) {
echo "0";
}
else {
echo "1";
}
}
break;
}
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