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/CakePHP 3.8

Class FallbackPasswordHasher

A password hasher that can use multiple different hashes where only one is the preferred one. This is useful when trying to migrate an existing database of users from one password type to another.

Cake\Auth\AbstractPasswordHasher uses Cake\Core\InstanceConfigTrait
Extended by Cake\Auth\FallbackPasswordHasher

Properties summary

  • $_defaultConfig protected
    array
    Default config for this object.
  • $_hashers protected
    array
    Holds the list of password hasher objects that will be used

Inherited Properties

Method Summary

  • __construct() public
    Constructor
  • check() public
    Verifies that the provided password corresponds to its hashed version
  • hash() public
    Generates password hash.
  • needsRehash() public

    Returns true if the password need to be rehashed, with the first hasher present in the list of hashers

Method Detail

__construct()source public

__construct( array $config = [] )

Constructor

Parameters

array $config optional []

configuration options for this object. Requires the hashers key to be present in the array with a list of other hashers to be used

Overrides

Cake\Auth\AbstractPasswordHasher::__construct()

check()source public

check( string $password , string $hashedPassword )

Verifies that the provided password corresponds to its hashed version

This will iterate over all configured hashers until one of them returns true.

Parameters

string $password
Plain text password to hash.
string $hashedPassword
Existing hashed password.

Returns

boolean
True if hashes match else false.

hash()source public

hash( string $password )

Generates password hash.

Uses the first password hasher in the list to generate the hash

Parameters

string $password
Plain text password to hash.

Returns

string
Password hash

needsRehash()source public

needsRehash( string $password )

Returns true if the password need to be rehashed, with the first hasher present in the list of hashers

Parameters

string $password
The password to verify

Returns

boolean

Overrides

Cake\Auth\AbstractPasswordHasher::needsRehash()

Methods used from Cake\Core\InstanceConfigTrait

_configDelete()source protected

_configDelete( string $key )

Deletes a single config key.

Parameters

string $key
Key to delete.

Throws

Cake\Core\Exception\Exception
if attempting to clobber existing config

_configRead()source protected

_configRead( string|null $key )

Reads a config key.

Parameters

string|null $key
Key to read.

Returns

mixed

_configWrite()source protected

_configWrite( string|array $key , mixed $value , boolean|string $merge = false )

Writes a config key.

Parameters

string|array $key
Key to write to.
mixed $value
Value to write.
boolean|string $merge optional false

True to merge recursively, 'shallow' for simple merge, false to overwrite, defaults to false.

Throws

Cake\Core\Exception\Exception
if attempting to clobber existing config

config()source public deprecated

config( string|array|null $key = null , mixed|null $value = null , boolean $merge = true )

Gets/Sets the config.

Usage

Reading the whole config:

$this->config();

Reading a specific value:

$this->config('key');

Reading a nested value:

$this->config('some.nested.key');

Setting a specific value:

$this->config('key', $value);

Setting a nested value:

$this->config('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->config(['one' => 'value', 'another' => 'value']);

Deprecated

3.4.0 use setConfig()/getConfig() instead.

Parameters

string|array|null $key optional null
The key to get/set, or a complete array of configs.
mixed|null $value optional null
The value to set.
boolean $merge optional true
Whether to recursively merge or overwrite existing config, defaults to true.

Returns

mixed
Config value being read, or the object itself on write operations.

Throws

Cake\Core\Exception\Exception
When trying to set a key that is invalid.

configShallow()source public

configShallow( string|array $key , mixed|null $value = null )

Merge provided config with existing config. Unlike config() which does a recursive merge for nested keys, this method does a simple merge.

Setting a specific value:

$this->configShallow('key', $value);

Setting a nested value:

$this->configShallow('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->configShallow(['one' => 'value', 'another' => 'value']);

Parameters

string|array $key
The key to set, or a complete array of configs.
mixed|null $value optional null
The value to set.

Returns


$this

getConfig()source public

getConfig( string|null $key = null , mixed $default = null )

Returns the config.

Usage

Reading the whole config:

$this->getConfig();

Reading a specific value:

$this->getConfig('key');

Reading a nested value:

$this->getConfig('some.nested.key');

Reading with default value:

$this->getConfig('some-key', 'default-value');

Parameters

string|null $key optional null
The key to get or null for the whole config.
mixed $default optional null
The return value when the key does not exist.

Returns

mixed
Configuration data at the named key or null if the key does not exist.

setConfig()source public

setConfig( string|array $key , mixed|null $value = null , boolean $merge = true )

Sets the config.

Usage

Setting a specific value:

$this->setConfig('key', $value);

Setting a nested value:

$this->setConfig('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->setConfig(['one' => 'value', 'another' => 'value']);

Parameters

string|array $key
The key to set, or a complete array of configs.
mixed|null $value optional null
The value to set.
boolean $merge optional true
Whether to recursively merge or overwrite existing config, defaults to true.

Returns


$this

Throws

Cake\Core\Exception\Exception
When trying to set a key that is invalid.

Properties detail

$_defaultConfigsource

protected array

Default config for this object.

[
    'hashers' => []
]

$_hasherssource

protected array

Holds the list of password hasher objects that will be used

[]

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https://api.cakephp.org/3.8/class-Cake.Auth.FallbackPasswordHasher.html