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authorAndreas Habel <mail@exceptionfault.de>2009-10-18 16:10:27 +0200
committerAndreas Habel <mail@exceptionfault.de>2009-10-18 16:10:27 +0200
commit935897a79a6014bc0c34285e3a58e872864de1e4 (patch)
tree7db123ae687087b45588b825a9cbfce854f659d9
parentb6a41f518c6072fa0e9689f2df547b495e62e401 (diff)
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Added new page for online account registration.
Needs call to ladmin to really create an account.
-rw-r--r--includes/common.php1
-rw-r--r--recaptcha-php/LICENSE22
-rw-r--r--recaptcha-php/README7
-rw-r--r--recaptcha-php/example-captcha.php37
-rw-r--r--recaptcha-php/example-mailhide.php17
-rw-r--r--recaptcha-php/recaptchalib.php277
-rw-r--r--registration.php108
7 files changed, 469 insertions, 0 deletions
diff --git a/includes/common.php b/includes/common.php
index 4d5d267..1e111a0 100644
--- a/includes/common.php
+++ b/includes/common.php
@@ -117,6 +117,7 @@ function placeHeader($page_title)
<div class="section banners">
Server status
<iframe src="http://server.themanaworld.org/status.php" width="130" height="30" frameborder="0" scrolling="no"></iframe>
+ <a href="registration.php">Register new account</a>
</div>
</div>
</div>
diff --git a/recaptcha-php/LICENSE b/recaptcha-php/LICENSE
new file mode 100644
index 0000000..b612f71
--- /dev/null
+++ b/recaptcha-php/LICENSE
@@ -0,0 +1,22 @@
+Copyright (c) 2007 reCAPTCHA -- http://recaptcha.net
+AUTHORS:
+ Mike Crawford
+ Ben Maurer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/recaptcha-php/README b/recaptcha-php/README
new file mode 100644
index 0000000..21f1a27
--- /dev/null
+++ b/recaptcha-php/README
@@ -0,0 +1,7 @@
+reCAPTCHA README
+================
+
+The reCAPTCHA PHP Lirary helps you use the reCAPTCHA API. Documentation
+for this library can be found at
+
+ http://recaptcha.net/plugins/php
diff --git a/recaptcha-php/example-captcha.php b/recaptcha-php/example-captcha.php
new file mode 100644
index 0000000..1c4ca5f
--- /dev/null
+++ b/recaptcha-php/example-captcha.php
@@ -0,0 +1,37 @@
+<html>
+ <body>
+ <form action="" method="post">
+<?php
+
+require_once('recaptchalib.php');
+
+// Get a key from http://recaptcha.net/api/getkey
+$publickey = "";
+$privatekey = "";
+
+# the response from reCAPTCHA
+$resp = null;
+# the error code from reCAPTCHA, if any
+$error = null;
+
+# was there a reCAPTCHA response?
+if ($_POST["recaptcha_response_field"]) {
+ $resp = recaptcha_check_answer ($privatekey,
+ $_SERVER["REMOTE_ADDR"],
+ $_POST["recaptcha_challenge_field"],
+ $_POST["recaptcha_response_field"]);
+
+ if ($resp->is_valid) {
+ echo "You got it!";
+ } else {
+ # set the error code so that we can display it
+ $error = $resp->error;
+ }
+}
+echo recaptcha_get_html($publickey, $error);
+?>
+ <br/>
+ <input type="submit" value="submit" />
+ </form>
+ </body>
+</html>
diff --git a/recaptcha-php/example-mailhide.php b/recaptcha-php/example-mailhide.php
new file mode 100644
index 0000000..e389eb9
--- /dev/null
+++ b/recaptcha-php/example-mailhide.php
@@ -0,0 +1,17 @@
+<html><body>
+<?
+require_once ("recaptchalib.php");
+
+// get a key at http://mailhide.recaptcha.net/apikey
+$mailhide_pubkey = '';
+$mailhide_privkey = '';
+
+?>
+
+The Mailhide version of example@example.com is
+<? echo recaptcha_mailhide_html ($mailhide_pubkey, $mailhide_privkey, "example@example.com"); ?>. <br>
+
+The url for the email is:
+<? echo recaptcha_mailhide_url ($mailhide_pubkey, $mailhide_privkey, "example@example.com"); ?> <br>
+
+</body></html>
diff --git a/recaptcha-php/recaptchalib.php b/recaptcha-php/recaptchalib.php
new file mode 100644
index 0000000..897c509
--- /dev/null
+++ b/recaptcha-php/recaptchalib.php
@@ -0,0 +1,277 @@
+<?php
+/*
+ * This is a PHP library that handles calling reCAPTCHA.
+ * - Documentation and latest version
+ * http://recaptcha.net/plugins/php/
+ * - Get a reCAPTCHA API Key
+ * http://recaptcha.net/api/getkey
+ * - Discussion group
+ * http://groups.google.com/group/recaptcha
+ *
+ * Copyright (c) 2007 reCAPTCHA -- http://recaptcha.net
+ * AUTHORS:
+ * Mike Crawford
+ * Ben Maurer
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * The reCAPTCHA server URL's
+ */
+define("RECAPTCHA_API_SERVER", "http://api.recaptcha.net");
+define("RECAPTCHA_API_SECURE_SERVER", "https://api-secure.recaptcha.net");
+define("RECAPTCHA_VERIFY_SERVER", "api-verify.recaptcha.net");
+
+/**
+ * Encodes the given data into a query string format
+ * @param $data - array of string elements to be encoded
+ * @return string - encoded request
+ */
+function _recaptcha_qsencode ($data) {
+ $req = "";
+ foreach ( $data as $key => $value )
+ $req .= $key . '=' . urlencode( stripslashes($value) ) . '&';
+
+ // Cut the last '&'
+ $req=substr($req,0,strlen($req)-1);
+ return $req;
+}
+
+
+
+/**
+ * Submits an HTTP POST to a reCAPTCHA server
+ * @param string $host
+ * @param string $path
+ * @param array $data
+ * @param int port
+ * @return array response
+ */
+function _recaptcha_http_post($host, $path, $data, $port = 80) {
+
+ $req = _recaptcha_qsencode ($data);
+
+ $http_request = "POST $path HTTP/1.0\r\n";
+ $http_request .= "Host: $host\r\n";
+ $http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n";
+ $http_request .= "Content-Length: " . strlen($req) . "\r\n";
+ $http_request .= "User-Agent: reCAPTCHA/PHP\r\n";
+ $http_request .= "\r\n";
+ $http_request .= $req;
+
+ $response = '';
+ if( false == ( $fs = @fsockopen($host, $port, $errno, $errstr, 10) ) ) {
+ die ('Could not open socket');
+ }
+
+ fwrite($fs, $http_request);
+
+ while ( !feof($fs) )
+ $response .= fgets($fs, 1160); // One TCP-IP packet
+ fclose($fs);
+ $response = explode("\r\n\r\n", $response, 2);
+
+ return $response;
+}
+
+
+
+/**
+ * Gets the challenge HTML (javascript and non-javascript version).
+ * This is called from the browser, and the resulting reCAPTCHA HTML widget
+ * is embedded within the HTML form it was called from.
+ * @param string $pubkey A public key for reCAPTCHA
+ * @param string $error The error given by reCAPTCHA (optional, default is null)
+ * @param boolean $use_ssl Should the request be made over ssl? (optional, default is false)
+
+ * @return string - The HTML to be embedded in the user's form.
+ */
+function recaptcha_get_html ($pubkey, $error = null, $use_ssl = false)
+{
+ if ($pubkey == null || $pubkey == '') {
+ die ("To use reCAPTCHA you must get an API key from <a href='http://recaptcha.net/api/getkey'>http://recaptcha.net/api/getkey</a>");
+ }
+
+ if ($use_ssl) {
+ $server = RECAPTCHA_API_SECURE_SERVER;
+ } else {
+ $server = RECAPTCHA_API_SERVER;
+ }
+
+ $errorpart = "";
+ if ($error) {
+ $errorpart = "&amp;error=" . $error;
+ }
+ return '<script type="text/javascript" src="'. $server . '/challenge?k=' . $pubkey . $errorpart . '"></script>
+
+ <noscript>
+ <iframe src="'. $server . '/noscript?k=' . $pubkey . $errorpart . '" height="300" width="500" frameborder="0"></iframe><br/>
+ <textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
+ <input type="hidden" name="recaptcha_response_field" value="manual_challenge"/>
+ </noscript>';
+}
+
+
+
+
+/**
+ * A ReCaptchaResponse is returned from recaptcha_check_answer()
+ */
+class ReCaptchaResponse {
+ var $is_valid;
+ var $error;
+}
+
+
+/**
+ * Calls an HTTP POST function to verify if the user's guess was correct
+ * @param string $privkey
+ * @param string $remoteip
+ * @param string $challenge
+ * @param string $response
+ * @param array $extra_params an array of extra variables to post to the server
+ * @return ReCaptchaResponse
+ */
+function recaptcha_check_answer ($privkey, $remoteip, $challenge, $response, $extra_params = array())
+{
+ if ($privkey == null || $privkey == '') {
+ die ("To use reCAPTCHA you must get an API key from <a href='http://recaptcha.net/api/getkey'>http://recaptcha.net/api/getkey</a>");
+ }
+
+ if ($remoteip == null || $remoteip == '') {
+ die ("For security reasons, you must pass the remote ip to reCAPTCHA");
+ }
+
+
+
+ //discard spam submissions
+ if ($challenge == null || strlen($challenge) == 0 || $response == null || strlen($response) == 0) {
+ $recaptcha_response = new ReCaptchaResponse();
+ $recaptcha_response->is_valid = false;
+ $recaptcha_response->error = 'incorrect-captcha-sol';
+ return $recaptcha_response;
+ }
+
+ $response = _recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/verify",
+ array (
+ 'privatekey' => $privkey,
+ 'remoteip' => $remoteip,
+ 'challenge' => $challenge,
+ 'response' => $response
+ ) + $extra_params
+ );
+
+ $answers = explode ("\n", $response [1]);
+ $recaptcha_response = new ReCaptchaResponse();
+
+ if (trim ($answers [0]) == 'true') {
+ $recaptcha_response->is_valid = true;
+ }
+ else {
+ $recaptcha_response->is_valid = false;
+ $recaptcha_response->error = $answers [1];
+ }
+ return $recaptcha_response;
+
+}
+
+/**
+ * gets a URL where the user can sign up for reCAPTCHA. If your application
+ * has a configuration page where you enter a key, you should provide a link
+ * using this function.
+ * @param string $domain The domain where the page is hosted
+ * @param string $appname The name of your application
+ */
+function recaptcha_get_signup_url ($domain = null, $appname = null) {
+ return "http://recaptcha.net/api/getkey?" . _recaptcha_qsencode (array ('domain' => $domain, 'app' => $appname));
+}
+
+function _recaptcha_aes_pad($val) {
+ $block_size = 16;
+ $numpad = $block_size - (strlen ($val) % $block_size);
+ return str_pad($val, strlen ($val) + $numpad, chr($numpad));
+}
+
+/* Mailhide related code */
+
+function _recaptcha_aes_encrypt($val,$ky) {
+ if (! function_exists ("mcrypt_encrypt")) {
+ die ("To use reCAPTCHA Mailhide, you need to have the mcrypt php module installed.");
+ }
+ $mode=MCRYPT_MODE_CBC;
+ $enc=MCRYPT_RIJNDAEL_128;
+ $val=_recaptcha_aes_pad($val);
+ return mcrypt_encrypt($enc, $ky, $val, $mode, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
+}
+
+
+function _recaptcha_mailhide_urlbase64 ($x) {
+ return strtr(base64_encode ($x), '+/', '-_');
+}
+
+/* gets the reCAPTCHA Mailhide url for a given email, public key and private key */
+function recaptcha_mailhide_url($pubkey, $privkey, $email) {
+ if ($pubkey == '' || $pubkey == null || $privkey == "" || $privkey == null) {
+ die ("To use reCAPTCHA Mailhide, you have to sign up for a public and private key, " .
+ "you can do so at <a href='http://mailhide.recaptcha.net/apikey'>http://mailhide.recaptcha.net/apikey</a>");
+ }
+
+
+ $ky = pack('H*', $privkey);
+ $cryptmail = _recaptcha_aes_encrypt ($email, $ky);
+
+ return "http://mailhide.recaptcha.net/d?k=" . $pubkey . "&c=" . _recaptcha_mailhide_urlbase64 ($cryptmail);
+}
+
+/**
+ * gets the parts of the email to expose to the user.
+ * eg, given johndoe@example,com return ["john", "example.com"].
+ * the email is then displayed as john...@example.com
+ */
+function _recaptcha_mailhide_email_parts ($email) {
+ $arr = preg_split("/@/", $email );
+
+ if (strlen ($arr[0]) <= 4) {
+ $arr[0] = substr ($arr[0], 0, 1);
+ } else if (strlen ($arr[0]) <= 6) {
+ $arr[0] = substr ($arr[0], 0, 3);
+ } else {
+ $arr[0] = substr ($arr[0], 0, 4);
+ }
+ return $arr;
+}
+
+/**
+ * Gets html to display an email address given a public an private key.
+ * to get a key, go to:
+ *
+ * http://mailhide.recaptcha.net/apikey
+ */
+function recaptcha_mailhide_html($pubkey, $privkey, $email) {
+ $emailparts = _recaptcha_mailhide_email_parts ($email);
+ $url = recaptcha_mailhide_url ($pubkey, $privkey, $email);
+
+ return htmlentities($emailparts[0]) . "<a href='" . htmlentities ($url) .
+ "' onclick=\"window.open('" . htmlentities ($url) . "', '', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=300'); return false;\" title=\"Reveal this e-mail address\">...</a>@" . htmlentities ($emailparts [1]);
+
+}
+
+
+?>
diff --git a/registration.php b/registration.php
new file mode 100644
index 0000000..02a1911
--- /dev/null
+++ b/registration.php
@@ -0,0 +1,108 @@
+<?php
+
+ require_once('recaptcha-php/recaptchalib.php');
+ $publickey = "..."; // you got this from the signup page
+ $privatekey = ":::";
+
+ include("includes/common.php");
+ placeHeader("Registration");
+ $showform = true;
+
+ if (isset($_POST['register']) && $_POST['register'] == "true")
+ {
+ // handle registration
+ if (!isset($_POST['username']) || strlen($_POST['username']) < 4)
+ {
+ $err = "Username is not given or too short!"; $showform = true;
+ }
+ else if (!isset($_POST['password1']) || strlen($_POST['password1']) < 4)
+ {
+ $err = "Password is not given or too short!"; $showform = true;
+ }
+ else if (!isset($_POST['password2']) || strlen($_POST['password2']) < 4)
+ {
+ $err = "Password is not given or too short!"; $showform = true;
+ }
+ else if ($_POST['password2'] != $_POST['password1'])
+ {
+ $err = "The given passwords don't match!"; $showform = true;
+ }
+ else
+ {
+ // check captcha
+ $resp = recaptcha_check_answer ($privatekey,
+ $_SERVER["REMOTE_ADDR"],
+ $_POST["recaptcha_challenge_field"],
+ $_POST["recaptcha_response_field"]);
+
+ if (!$resp->is_valid)
+ {
+ $err = "The captcha was incorret!"; $showform = true;
+ }
+ else
+ {
+
+ // everything was fine, create account
+ $showform = false;
+
+ // create a new account with ladmin here....
+ }
+ }
+
+
+ }
+
+ if ($showform)
+ {
+
+?>
+
+<p>With this form you can register for a new account.</p>
+
+<form action="registration.php" method="post">
+
+ <input type="hidden" name="register" value="true" />
+ <table>
+ <?php if (isset($err))
+ {
+ echo "<tr><td colspan=\"2\" style=\"border: 1px solid red; color: red;\">" .
+ $err . "</td></tr>";
+ }
+ ?>
+ <tr>
+ <td>Username:</td>
+ <td><input type="text" size="20" name="username" /></td>
+ </tr>
+ <tr>
+ <td>Password:</td>
+ <td><input type="password" size="20" name="password1" /></td>
+ </tr>
+ <tr>
+ <td>Retype password:</td>
+ <td><input type="password" size="20" name="password2" /></td>
+ </tr>
+ <tr>
+ <td colspan="2">
+ <?php echo recaptcha_get_html($publickey); ?>
+ </td>
+ </tr>
+ <tr>
+ <td colspan="2" style="text-align:right">
+ <input type="submit" value="Register" />
+ </td>
+ </tr>
+ </table>
+</form>
+
+
+<?php
+
+ } // end of showform
+ else
+ {
+ ?>
+ <p>Your account has been created!</p>
+ <?php }
+ placeFooter();
+?>
+