first commit

plugins/wordpress_sso/include/wordpress_sso_functions.php

@@ -0,0 +1,49 @@
+<?php
+
+function wordpress_sso_redirect($getdetails=false,$knownuser=false)
+    {
+    global $wordpress_sso_url, $username; 
+    setcookie("wordpress_sso","",0,"/"); // Clear any existing cookie
+    # Set a unique id for this logon attempt so any response can be used only once
+    if ($knownuser && $username!="")
+        {
+        // Update the user account with the request id so it can be detected on return
+        $requestid=uniqid("wp_sso");
+        ps_query("UPDATE user SET wp_authrequest = ? WHERE username = ?", array("s", $requestid, "s", $username));
+        debug("wordpress_sso - sending second request to WP, setting request ID for $username in database");
+        }
+    else
+        {
+        debug("wordpress_sso - sending first request to WP, no username, no request ID");
+        $requestid="";
+        }
+    # Now get the requested path if first redirect
+    $_SERVER['REQUEST_URI'] = ( isset($_SERVER['REQUEST_URI']) ?
+    $_SERVER['REQUEST_URI'] : $_SERVER['SCRIPT_NAME'] . ( isset($_SERVER
+    ['QUERY_STRING']) ? '?' . $_SERVER['QUERY_STRING'] : ''));
+    $path=$_SERVER["REQUEST_URI"];
+    $path=str_replace("ajax","ajax_disabled",$path); // Disable forwarding of the AJAX parameter if this was an AJAX load, otherwise the redirected page will be missing the header/footer.
+    
+    // clear old parameters from query string so they don't interfere if step 2
+    $path=str_replace("requestid","unusedvar",$path);
+    $path=str_replace("url","unusedvar",$path);
+    $path=str_replace("wordpress_sso_user","unusedvar",$path);
+    if ($getdetails)
+        {
+        $redirecturl=$wordpress_sso_url . "/wp-admin/?rsauth=true&requestid=$requestid&getdetails=true&url=" . urlencode($path);
+        }
+    else
+        {
+        $redirecturl=$wordpress_sso_url . "/wp-admin/?rsauth=true&requestid=$requestid&url=" . urlencode($path); // Include the requested path so WordPress can redirect back once authenticated
+        }
+    header("Location: $redirecturl"); /* Redirect browser */
+    exit();
+    }
+    
+function wordpress_sso_fail()
+    {
+    debug("wordpress_sso - failed authentication");
+    setcookie("wordpress_sso","",0,"/");
+    redirect("/plugins/wordpress_sso/pages/nouser.php");
+    exit();
+    }