4 files changed, 153 insertions, 2 deletions
diff --git a/phpBB/phpbb/auth/provider/oauth/oauth.php b/phpBB/phpbb/auth/provider/oauth/oauth.php
index 04729d8453..fdc5f57df0 100644
--- a/phpBB/phpbb/auth/provider/oauth/oauth.php
+++ b/phpBB/phpbb/auth/provider/oauth/oauth.php
@@ -105,6 +105,13 @@ class oauth extends \phpbb\auth\provider\base
 	protected $phpbb_container;
 
 	/**
+	* phpBB event dispatcher
+	*
+	* @var \phpbb\event\dispatcher_interface
+	*/
+	protected $dispatcher;
+
+	/**
 	* phpBB root path
 	*
 	* @var string
@@ -132,10 +139,11 @@ class oauth extends \phpbb\auth\provider\base
 	* @param	\phpbb\di\service_collection	$service_providers Contains \phpbb\auth\provider\oauth\service_interface
 	* @param	string			$users_table
 	* @param	\Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container DI container
+	* @param	\phpbb\event\dispatcher_interface $dispatcher phpBB event dispatcher
 	* @param	string			$phpbb_root_path
 	* @param	string			$php_ext
 	*/
-	public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\request\request_interface $request, \phpbb\user $user, $auth_provider_oauth_token_storage_table, $auth_provider_oauth_state_table, $auth_provider_oauth_token_account_assoc, \phpbb\di\service_collection $service_providers, $users_table, \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container, $phpbb_root_path, $php_ext)
+	public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\request\request_interface $request, \phpbb\user $user, $auth_provider_oauth_token_storage_table, $auth_provider_oauth_state_table, $auth_provider_oauth_token_account_assoc, \phpbb\di\service_collection $service_providers, $users_table, \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container, \phpbb\event\dispatcher_interface $dispatcher, $phpbb_root_path, $php_ext)
 	{
 		$this->db = $db;
 		$this->config = $config;
@@ -148,6 +156,7 @@ class oauth extends \phpbb\auth\provider\base
 		$this->service_providers = $service_providers;
 		$this->users_table = $users_table;
 		$this->phpbb_container = $phpbb_container;
+		$this->dispatcher = $dispatcher;
 		$this->phpbb_root_path = $phpbb_root_path;
 		$this->php_ext = $php_ext;
 	}
@@ -248,6 +257,18 @@ class oauth extends \phpbb\auth\provider\base
 			// Update token storage to store the user_id
 			$storage->set_user_id($row['user_id']);
 
+			/**
+			* Event is triggered after user is successfuly logged in via OAuth.
+			*
+			* @event core.auth_oauth_login_after
+			* @var    array    row    User row
+			* @since 3.1.11-RC1
+			*/
+			$vars = array(
+				'row',
+			);
+			extract($this->dispatcher->trigger_event('core.auth_oauth_login_after', compact($vars)));
+
 			// The user is now authenticated and can be logged in
 			return array(
 				'status'		=> LOGIN_SUCCESS,
@@ -569,6 +590,18 @@ class oauth extends \phpbb\auth\provider\base
 		$sql = 'INSERT INTO ' . $this->auth_provider_oauth_token_account_assoc . '
 			' . $this->db->sql_build_array('INSERT', $data);
 		$this->db->sql_query($sql);
+
+		/**
+		 * Event is triggered after user links account.
+		 *
+		 * @event core.auth_oauth_link_after
+		 * @var    array    data    User row
+		 * @since 3.1.11-RC1
+		 */
+		$vars = array(
+			'data',
+		);
+		extract($this->dispatcher->trigger_event('core.auth_oauth_link_after', compact($vars)));
 	}
 
 	/**
diff --git a/phpBB/phpbb/db/migration/data/v31x/remove_duplicate_migrations.php b/phpBB/phpbb/db/migration/data/v31x/remove_duplicate_migrations.php
new file mode 100644
index 0000000000..417d569a09
--- /dev/null
+++ b/phpBB/phpbb/db/migration/data/v31x/remove_duplicate_migrations.php
@@ -0,0 +1,77 @@
+<?php
+
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\db\migration\data\v31x;
+
+class remove_duplicate_migrations extends \phpbb\db\migration\migration
+{
+	static public function depends_on()
+	{
+		return array('\phpbb\db\migration\data\v31x\v3110');
+	}
+
+	public function update_data()
+	{
+		return array(
+			array('custom', array(array($this, 'deduplicate_entries'))),
+		);
+	}
+
+	public function deduplicate_entries()
+	{
+		$migration_state = array();
+		$duplicate_migrations = array();
+
+		$sql = "SELECT *
+			FROM " . $this->table_prefix . 'migrations';
+		$result = $this->db->sql_query($sql);
+
+		if (!$this->db->get_sql_error_triggered())
+		{
+			while ($migration = $this->db->sql_fetchrow($result))
+			{
+				$migration_state[$migration['migration_name']] = $migration;
+
+				$migration_state[$migration['migration_name']]['migration_depends_on'] = unserialize($migration['migration_depends_on']);
+			}
+		}
+
+		$this->db->sql_freeresult($result);
+
+		foreach ($migration_state as $name => $migration)
+		{
+			$prepended_name = ($name[0] == '\\' ? '' : '\\') . $name;
+			$prefixless_name = $name[0] == '\\' ? substr($name, 1) : $name;
+
+			if ($prepended_name != $name && isset($migration_state[$prepended_name]) && $migration_state[$prepended_name]['migration_depends_on'] == $migration_state[$name]['migration_depends_on'])
+			{
+				$duplicate_migrations[] = $name;
+				unset($migration_state[$prepended_name]);
+			}
+			else if ($prefixless_name != $name && isset($migration_state[$prefixless_name]) && $migration_state[$prefixless_name]['migration_depends_on'] == $migration_state[$name]['migration_depends_on'])
+			{
+				$duplicate_migrations[] = $prefixless_name;
+				unset($migration_state[$prefixless_name]);
+			}
+		}
+
+		if (count($duplicate_migrations))
+		{
+			$sql = 'DELETE
+				FROM ' . $this->table_prefix . 'migrations
+				WHERE '  . $this->db->sql_in_set('migration_name', $duplicate_migrations);
+			$this->db->sql_query($sql);
+		}
+	}
+}
diff --git a/phpBB/phpbb/db/migrator.php b/phpBB/phpbb/db/migrator.php
index 86cb45df6f..d7d7f18d2b 100644
--- a/phpBB/phpbb/db/migrator.php
+++ b/phpBB/phpbb/db/migrator.php
@@ -243,6 +243,34 @@ class migrator
 	}
 
 	/**
+	 * Get a valid migration name from the migration state array in case the
+	 * supplied name is not in the migration state list.
+	 *
+	 * @param string $name Migration name
+	 * @return string Migration name
+	 */
+	protected function get_valid_name($name)
+	{
+		// Try falling back to a valid migration name with or without leading backslash
+		if (!isset($this->migration_state[$name]))
+		{
+			$prepended_name = ($name[0] == '\\' ? '' : '\\') . $name;
+			$prefixless_name = $name[0] == '\\' ? substr($name, 1) : $name;
+
+			if (isset($this->migration_state[$prepended_name]))
+			{
+				$name = $prepended_name;
+			}
+			else if (isset($this->migration_state[$prefixless_name]))
+			{
+				$name = $prefixless_name;
+			}
+		}
+
+		return $name;
+	}
+
+	/**
 	 * Effectively runs a single update step from the next migration to be applied.
 	 *
 	 * @return null
@@ -251,6 +279,8 @@ class migrator
 	{
 		foreach ($this->migrations as $name)
 		{
+			$name = $this->get_valid_name($name);
+
 			if (!isset($this->migration_state[$name]) ||
 				!$this->migration_state[$name]['migration_schema_done'] ||
 				!$this->migration_state[$name]['migration_data_done'])
@@ -306,6 +336,9 @@ class migrator
 
 		foreach ($state['migration_depends_on'] as $depend)
 		{
+			$depend = $this->get_valid_name($depend);
+
+			// Test all possible namings before throwing exception
 			if ($this->unfulfillable($depend) !== false)
 			{
 				throw new \phpbb\db\migration\exception('MIGRATION_NOT_FULFILLABLE', $name, $depend);
@@ -829,6 +862,8 @@ class migrator
 	*/
 	public function unfulfillable($name)
 	{
+		$name = $this->get_valid_name($name);
+
 		if (isset($this->migration_state[$name]) || isset($this->fulfillable_migrations[$name]))
 		{
 			return false;
@@ -844,6 +879,7 @@ class migrator
 
 		foreach ($depends as $depend)
 		{
+			$depend = $this->get_valid_name($depend);
 			$unfulfillable = $this->unfulfillable($depend);
 			if ($unfulfillable !== false)
 			{
diff --git a/phpBB/phpbb/template/twig/lexer.php b/phpBB/phpbb/template/twig/lexer.php
index f1542109a4..de03aec04b 100644
--- a/phpBB/phpbb/template/twig/lexer.php
+++ b/phpBB/phpbb/template/twig/lexer.php
@@ -22,6 +22,11 @@ class lexer extends \Twig_Lexer
 
 	public function tokenize($code, $filename = null)
 	{
+		if ($code instanceof \Twig_Source)
+		{
+			$filename = $code->getName();
+			$code = $code->getCode();
+		}
 		// Our phpBB tags
 		// Commented out tokens are handled separately from the main replace
 		$phpbb_tags = array(
@@ -125,7 +130,7 @@ class lexer extends \Twig_Lexer
 		// Appends any filters
 		$code = preg_replace('#{([a-zA-Z0-9_\.]+)(\|[^}]+?)?}#', '{{ $1$2 }}', $code);
 
-		return parent::tokenize($code, $filename);
+		return parent::tokenize(new \Twig_Source($code, $filename));
 	}
 
 	/**