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author | Marc Alexander <admin@m-a-styles.de> | 2014-02-02 14:57:43 +0100 |
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committer | Marc Alexander <admin@m-a-styles.de> | 2014-02-02 14:57:43 +0100 |
commit | b094c7999660703370566018bf449a9280148b8d (patch) | |
tree | f5f1161c3fb4d9ac6e2bf02686d471d2651d6930 /phpBB/phpbb/passwords/manager.php | |
parent | 08a8bd8e6f2ae339fbb29e01ffb002942e7a89f3 (diff) | |
download | forums-b094c7999660703370566018bf449a9280148b8d.tar forums-b094c7999660703370566018bf449a9280148b8d.tar.gz forums-b094c7999660703370566018bf449a9280148b8d.tar.bz2 forums-b094c7999660703370566018bf449a9280148b8d.tar.xz forums-b094c7999660703370566018bf449a9280148b8d.zip |
[feature/passwords] Move combined hashing methods to manager
This will get rid of the circular dependency between the passwords manager
and the passwords helper. The combined_hash_password() method was also
slightly changed to allow both the definitions of service names or prefixes
for the hash types.
PHPBB3-11610
Diffstat (limited to 'phpBB/phpbb/passwords/manager.php')
-rw-r--r-- | phpBB/phpbb/passwords/manager.php | 98 |
1 files changed, 81 insertions, 17 deletions
diff --git a/phpBB/phpbb/passwords/manager.php b/phpBB/phpbb/passwords/manager.php index 7f886e3d7d..0ac6b05ec4 100644 --- a/phpBB/phpbb/passwords/manager.php +++ b/phpBB/phpbb/passwords/manager.php @@ -60,9 +60,9 @@ class manager public function __construct(\phpbb\config\config $config, $hashing_algorithms, helper $helper, $defaults) { $this->config = $config; + $this->helper = $helper; $this->fill_type_map($hashing_algorithms); - $this->load_passwords_helper($helper); $this->register_default_type($defaults); } @@ -103,20 +103,6 @@ class manager } /** - * Load passwords helper class - * - * @param phpbb\passwords\helper $helper Passwords helper object - */ - protected function load_passwords_helper(\phpbb\passwords\helper $helper) - { - if ($this->helper === null) - { - $this->helper = $helper; - $this->helper->set_manager($this); - } - } - - /** * Get the algorithm specified by a specific prefix * * @param string $prefix Password hash prefix @@ -216,7 +202,7 @@ class manager if (is_array($type)) { - return $this->helper->combined_hash_password($password, $type); + return $this->combined_hash_password($password, $type); } if (isset($this->type_map[$type])) @@ -258,7 +244,7 @@ class manager // Multiple hash passes needed if (is_array($stored_hash_type)) { - $correct = $this->helper->check_combined_hash($password, $stored_hash_type, $hash); + $correct = $this->check_combined_hash($password, $stored_hash_type, $hash); $this->convert_flag = ($correct === true) ? true : false; return $correct; } @@ -274,4 +260,82 @@ class manager return $stored_hash_type->check($password, $hash); } + + /** + * Create combined hash from already hashed password + * + * @param string $password_hash Complete current password hash + * @param string $type Type of the hashing algorithm the password hash + * should be combined with + * @return string|bool Combined password hash if combined hashing was + * successful, else false + */ + public function combined_hash_password($password_hash, $type) + { + $data = array( + 'prefix' => '$', + 'settings' => '$', + ); + $hash_settings = $this->helper->get_combined_hash_settings($password_hash); + $hash = $hash_settings[0]; + + // Put settings of current hash into data array + $stored_hash_type = $this->detect_algorithm($password_hash); + $this->helper->combine_hash_output($data, 'prefix', $stored_hash_type->get_prefix()); + $this->helper->combine_hash_output($data, 'settings', $stored_hash_type->get_settings_only($password_hash)); + + // Hash current hash with the defined types + foreach ($type as $cur_type) + { + if (isset($this->algorithms[$cur_type])) + { + $new_hash_type = $this->algorithms[$cur_type]; + } + else + { + $new_hash_type = $this->get_algorithm($cur_type); + } + + if (!$new_hash_type) + { + return false; + } + + $new_hash = $new_hash_type->hash(str_replace($stored_hash_type->get_settings_only($password_hash), '', $hash)); + $this->helper->combine_hash_output($data, 'prefix', $new_hash_type->get_prefix()); + $this->helper->combine_hash_output($data, 'settings', substr(str_replace('$', '\\', $new_hash_type->get_settings_only($new_hash, true)), 0)); + $hash = str_replace($new_hash_type->get_settings_only($new_hash), '', $this->helper->obtain_hash_only($new_hash)); + } + return $this->helper->combine_hash_output($data, 'hash', $hash); + } + + /** + * Check combined password hash against the supplied password + * + * @param string $password Password entered by user + * @param array $stored_hash_type An array containing the hash types + * as described by stored password hash + * @param string $hash Stored password hash + * + * @return bool True if password is correct, false if not + */ + public function check_combined_hash($password, $stored_hash_type, $hash) + { + $i = 0; + $data = array( + 'prefix' => '$', + 'settings' => '$', + ); + $hash_settings = $this->helper->get_combined_hash_settings($hash); + foreach ($stored_hash_type as $key => $hash_type) + { + $rebuilt_hash = $this->helper->rebuild_hash($hash_type->get_prefix(), $hash_settings[$i]); + $this->helper->combine_hash_output($data, 'prefix', $key); + $this->helper->combine_hash_output($data, 'settings', $hash_settings[$i]); + $cur_hash = $hash_type->hash($password, $rebuilt_hash); + $password = str_replace($rebuilt_hash, '', $cur_hash); + $i++; + } + return ($hash === $this->helper->combine_hash_output($data, 'hash', $password)); + } } |