NEW FEATURE: added OpenID support

Users can add and delete OpenIDs on the settings page and then log in
user those OpenIds.

They can also use their OpenIDs to register.

1 files changed, 75 insertions, 28 deletions

diff --git a/include/register.php b/include/register.php
index 7f3266b..75ec309 100644
--- a/include/register.php
+++ b/include/register.php
@@ -6,7 +6,7 @@ if(!isset($HOST))
   exit;
 
 /* new user wants to register */
-if(myisset("Rfullname","Remail","Rpassword","Rtimezone") )
+if(myisset("Rfullname","Remail","Rtimezone") )
   {
     global $HOST,$INDEX;
 
@@ -23,6 +23,13 @@ if(myisset("Rfullname","Remail","Rpassword","Rtimezone") )
 	echo "this email address is already used ?!<br />";
 	$ok=0;
       }
+    /* need either openid or password */
+    if(!myisset('Rpassword')  &&  !myisset('Ropenid'))
+      {
+	echo "I need either a Password or an Openid url.<br />";
+	$ok=0;
+      }
+
     /* check against robots */
     $robots=0; /* at least one anti-robot question needs to be answered */
     if(myisset('Robotproof0'))
@@ -65,15 +72,34 @@ if(myisset("Rfullname","Remail","Rpassword","Rtimezone") )
 	echo "You answered the math question wrong. <br />\n";
 	$ok=0;
       }
-
     /* everything ok, go ahead and create user */
     if($ok)
       {
-	$r=DB_query("INSERT INTO User VALUES(NULL,".DB_quote_smart($_REQUEST["Rfullname"]).
-		    ",".DB_quote_smart($_REQUEST["Remail"]).
-		    ",".DB_quote_smart(md5($_REQUEST["Rpassword"])).
-		    ",".DB_quote_smart($_REQUEST["Rtimezone"]).",NULL,NULL)");
-
+	if(myisset('Rpassword'))
+	  {
+	    $r=DB_query("INSERT INTO User VALUES(NULL,".DB_quote_smart($_REQUEST["Rfullname"]).
+			",".DB_quote_smart($_REQUEST["Remail"]).
+			",".DB_quote_smart(md5($_REQUEST["Rpassword"])).
+			",".DB_quote_smart($_REQUEST["Rtimezone"]).",NULL,NULL)");
+	  }
+	else if(myisset('Ropenid'))
+	  {
+	    $password = $_REQUEST["Rfullname"].preg_replace('/([ ])/e', 'chr(rand(33,122))', '               ');
+	    $r=DB_query("INSERT INTO User VALUES(NULL,".DB_quote_smart($_REQUEST["Rfullname"]).
+			",".DB_quote_smart($_REQUEST["Remail"]).
+			",".DB_quote_smart(md5($password)).
+			",".DB_quote_smart($_REQUEST["Rtimezone"]).",NULL,NULL)");
+	    if($r)
+	      {
+		include_once('openid.php');
+		$myid = DB_get_userid('email',$_REQUEST['Remail']);
+		DB_AttachOpenID($_REQUEST['Ropenid'], $myid);
+	      }
+	  }
+	else
+	  {
+	    echo 'Error during registration, please contact '.$ADMIN_NAME.' at '.$ADMIN_EMAIL;
+	  }
 	if($r)
 	  {
 	    /* Set session, so that new user doesn't need to log in */
@@ -94,29 +120,50 @@ if(myisset("Rfullname","Remail","Rpassword","Rtimezone") )
  else
    {
      /* No information for new user given, ouput a page for registration */
-     echo "<p><br /><strong> IMPORTANT: passwords are going over the net as clear text, so pick an easy password. ".
-       "No need to pick anything complicated here ;)<br />";
+
+     /* check for openid information */
+     $openid_url = '';
+     $name	 = '';
+     $email	 = '';
+     if(myisset('openid_url'))
+       $openid_url = $_REQUEST['openid_url'];
+     if(myisset('openidname'))
+       $name       = $_REQUEST['openidname'];
+     if(myisset('openidemail'))
+       $email      = $_REQUEST['openidemail'];
+
+     if($openid_url=='')
+       echo "<p><br /><strong> IMPORTANT: passwords are going over the net as clear text, so pick an easy password. ".
+	 "No need to pick anything complicated here ;)<br />";
      echo "N.B. Your email address will be exposed to other players whom you play games with. ";
      echo "<br /><br /></strong></p>";
-     ?>
-        <form action="index.php?action=register" method="post">
-          <fieldset>
-            <legend>Register</legend>
-             <table>
-              <tr>
-               <td><label for="Rfullname">Full name:</label></td>
-	       <td><input type="text" id="Rfullname" name="Rfullname" size="20" maxlength="30" /> </td>
-              </tr><tr>
-               <td><label for="Remail">Email:</label></td>
-	       <td><input type="text" id="Remail" name="Remail" size="20" maxlength="30" /></td>
-              </tr><tr>
-	       <td><label for="Rpassword">Password(will be displayed in cleartext on the next page):</label></td>
-               <td><input type="password" id="Rpassword" name="Rpassword" size="20" maxlength="30" /></td>
-              </tr><tr>
-	       <td><label for="Rtimezone">Timezone:</label></td>
-               <td>
-<?php
-               output_select_timezone("Rtimezone");
+     echo '        <form action="index.php?action=register" method="post">';
+     echo '          <fieldset>';
+     echo '            <legend>Register</legend>';
+     echo '             <table>';
+     echo '              <tr>';
+     echo '               <td><label for="Rfullname">Full name:</label></td>';
+     echo "	       <td><input type=\"text\" id=\"Rfullname\" name=\"Rfullname\" size=\"20\" maxlength=\"30\" value=\"$name\" /> </td>";
+     echo '              </tr><tr>';
+     echo '               <td><label for="Remail">Email:</label></td>';
+     echo "	       <td><input type=\"text\" id=\"Remail\" name=\"Remail\" size=\"20\" maxlength=\"30\" value=\"$email\" /></td>";
+     echo '              </tr><tr>';
+     if($openid_url=='')
+       {
+	 echo '	       <td><label for="Rpassword">Password(will be displayed in cleartext on the next page):</label></td>';
+	 echo '               <td><input type="password" id="Rpassword" name="Rpassword" size="20" maxlength="30" /></td>';
+	 echo '              </tr><tr>';
+       }
+     else
+       {
+	 echo '	       <td><label for="Ropenid">OpenId:</label></td>';
+	 echo '               <td><input type="text" id="Ropenid" name="Ropenid" size="20" maxlength="50" value="'.htmlentities($openid_url).'" /></td>';
+	 echo '              </tr><tr>';
+       }
+     echo '	       <td><label for="Rtimezone">Timezone:</label></td>';
+     echo '               <td>';
+
+     output_select_timezone("Rtimezone");
 ?>
 	       </td>
               </tr><tr>