From 0dbef2d784fd4d91664cd60bc0d6438148b594db Mon Sep 17 00:00:00 2001
From: Regis Houssin <regis@dolibarr.fr>
Date: Sat, 3 Mar 2012 20:05:32 +0100
Subject: [PATCH] Try to add hook in main login page

---
 htdocs/core/lib/security2.lib.php | 49 ++++++++++---------------------
 htdocs/core/tpl/login.tpl.php     | 16 ++++++----
 2 files changed, 25 insertions(+), 40 deletions(-)

diff --git a/htdocs/core/lib/security2.lib.php b/htdocs/core/lib/security2.lib.php
index eb9156fd4b811..5a7c461dc1efb 100644
--- a/htdocs/core/lib/security2.lib.php
+++ b/htdocs/core/lib/security2.lib.php
@@ -162,7 +162,15 @@ function checkLoginPassEntity($usertotest,$passwordtotest,$entitytotest,$authmod
 function dol_loginfunction($langs,$conf,$mysoc)
 {
 	global $dolibarr_main_demo,$db;
-	global $smartphone,$mc;
+	global $smartphone,$hookmanager;
+	
+	// Instantiate hooks of thirdparty module only if not already define
+	if (! is_object($hookmanager))
+	{
+		include_once(DOL_DOCUMENT_ROOT.'/core/class/hookmanager.class.php');
+		$hookmanager=new HookManager($db);
+	}
+	$hookmanager->initHooks(array('mainloginpage'));
 
 	$langcode=(GETPOST('lang')?((is_object($langs)&&$langs->defaultlang)?$langs->defaultlang:'auto'):GETPOST('lang'));
 	$langs->setDefaultLang($langcode);
@@ -229,37 +237,18 @@ function dol_loginfunction($langs,$conf,$mysoc)
 		$demologin=$tab[0];
 		$demopassword=$tab[1];
 	}
-
-	// Entity cookie
-	if (! empty($conf->multicompany->enabled))
-	{
-		$lastuser = '';
-		$lastentity = $_POST['entity'];
-
-		if (! empty($conf->global->MULTICOMPANY_COOKIE_ENABLED))
-		{
-			$prefix=dol_getprefix();
-			$entityCookieName = 'DOLENTITYID_'.$prefix;
-			if (isset($_COOKIE[$entityCookieName]))
-			{
-				include_once(DOL_DOCUMENT_ROOT . "/core/class/cookie.class.php");
-
-				$cryptkey = (! empty($conf->file->cookie_cryptkey) ? $conf->file->cookie_cryptkey : '' );
-
-				$entityCookie = new DolCookie($cryptkey);
-				$cookieValue = $entityCookie->_getCookie($entityCookieName);
-				list($lastuser, $lastentity) = explode('|', $cookieValue);
-			}
-		}
-	}
+	
+	// Execute hook getLoginPageOptions
+	// Should be an array with differents options in $hookmanager->resArray
+	$parameters=array('entity' => $_POST['entity']);
+	$hookmanager->executeHooks('getLoginPageOptions',$parameters);    // Note that $action and $object may have been modified by some hooks
 
 	// Login
-	$login = (!empty($lastuser)?$lastuser:(GETPOST("username","alpha",2)?GETPOST("username","alpha",2):$demologin));
+	$login = (! empty($hookmanager->resArray['username']) ? $hookmanager->resArray['username'] : (GETPOST("username","alpha",2) ? GETPOST("username","alpha",2) : $demologin));
 	$password = $demopassword;
 
 	// Show logo (search in order: small company logo, large company logo, theme logo, common logo)
 	$width=0;
-	$rowspan=2;
 	$urllogo=DOL_URL_ROOT.'/theme/login_logo.png';
 
 	if (! empty($mysoc->logo_small) && is_readable($conf->mycompany->dir_output.'/logos/thumbs/'.$mysoc->logo_small))
@@ -281,14 +270,6 @@ function dol_loginfunction($langs,$conf,$mysoc)
 
 	}
 
-	// Entity field
-	$select_entity='';
-	if (! empty($conf->multicompany->enabled) && empty($conf->global->MULTICOMPANY_HIDE_LOGIN_COMBOBOX))
-	{
-		$rowspan++;
-		$select_entity = $mc->select_entities($lastentity, 'entity', ' tabindex="3"', 1);
-	}
-
 	// Security graphical code
 	$captcha=0;
 	$captcha_refresh='';
diff --git a/htdocs/core/tpl/login.tpl.php b/htdocs/core/tpl/login.tpl.php
index dfd8c2506d0f3..55a5f6f608de2 100644
--- a/htdocs/core/tpl/login.tpl.php
+++ b/htdocs/core/tpl/login.tpl.php
@@ -234,14 +234,18 @@ function FindDstSwitchDate(year, month)
 <input id="password" name="password" class="flat" type="password" size="15" maxlength="30" value="<?php echo $password; ?>" tabindex="2" />
 </td></tr>
 
-<?php if ($select_entity) { ?>
-	<tr><td valign="top" nowrap="nowrap"> &nbsp; <strong><?php echo $langs->trans('Entity'); ?></strong> &nbsp; </td>
-	<td valign="top" nowrap="nowrap">
-	<?php echo $select_entity; ?>
-	</td></tr>
-<?php } ?>
+<?php
+if (! empty($hookmanager->resArray['options'])) {
+	foreach ($hookmanager->resArray['options'] as $option)
+	{
+		echo '<!-- Option by hook -->';
+		echo $option;
+	}
+}
+?>
 
 <?php if ($captcha) { ?>
+	<!-- Captcha -->
 	<tr><td valign="middle" nowrap="nowrap"> &nbsp; <b><?php echo $langs->trans('SecurityCode'); ?></b></td>
 	<td valign="top" nowrap="nowrap" align="left" class="none">