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Server Load, Server Status, Mysql Load, VPS Server, Dedicated, Web Hosting. Somewhat more flexible is the query. URL in a link. A query string. The big difference is that PHP provides a means by. Say. for example, that the user has entered a value of John. PHP program can make use of that value via its. You could write a PHP program that generates a query string. URL using code such as this (assuming you had the $first_name and $last_name variables. Click. When this code runs, it produces the following output: < a href="http: //www. John"> Click Here< /a>. Notice how a query string is constructed: a question mark followed. If you had both a first name and a last name, you could. Click Here< /a>. Putting both name/value pairs in the query string would result in. John& last_name=Wayne"> Click. Query strings are often useful (especially in preserving. For one thing, to. You. could get it from a database, but if you needed to get it from the user before. And that brings us to a very powerful method for user interaction, the HTML. If there is something that defines the Auth component, it is its flexibility that accounts for different types of authentication modes, each of these modes serving different needs. In this recipe, you will learn how to modify the component's default behavior, and how to choose between the different authentications modes. Getting ready. We should have a fully working authentication system, so follow the entire recipe Setting up a basic authentication system. How VPS works shared hosting server, problems with one website might cause the entire server to go down, causing all of the other websites on that server to go down. Our site provide the best examples about Php, Wordpress, Joomla, Cake Php, Html, Css, Mysql, VPS Server, Dedicated, Web Hosting. We will also add support to have disabled user accounts. Add a field named active to your users table with the following SQL statement: ALTER TABLE `users`ADD COLUMN `active` TINYINT UNSIGNED NOT NULL default 1; Start Example: 1. Modify the definition of the Auth component in your App. Controller class, so itlooks like the following: public $components = array('Auth' => array('authorize' => 'controller','login. Redirect' => array('admin' => false,'controller' => 'users','action' => 'dashboard'),'login. Error' => 'Invalid account specified','auth. Error' => 'You don\'t have the right permission'),'Session'); 2. Now while still editing your app/app_controller. Filter method in your App. Controller class: public function before. Filter() {if ($this- > Auth- > get. Model()- > has. Field('active')){$this- > Auth- > user. Scope = array('active' => 1); }}3. Copy the default layout from cake/libs/view/layouts/default. Session- > flash('auth'); ?> 4. Edit your app/controllers/users_controller. Finally, create the view for this newly added action in a file named dashboard. Welcome!< /p> If you now browse to http: //localhost/users/login and enter the wrongcredentials (wrong username and/or password), you should see the error messageshown in the following screenshot: Its Working.. As the Auth component does its magic right before a controller action is executed, weeither need to specify its settings in the before. Filter callback, or pass them in an arraywhen adding the component to the components property. A common place to do it is in the before. Filter() method of the App. Controller class, as by doing so we can share thesame authentication settings throughout all our controllers. This recipe changes some Auth settings, so that whenever a valid user logs in, they areautomatically taken to a dashboard action in the Users. Controller (done via the login Redirect setting.) It also adds some default error messages through the component'srespective settings: login. Error for when the given account is invalid, and auth. Error forwhen there is a valid account, but the action is not authorized (which can be achieved by returning false from the is. Authorized() method implemented in App. Controller.)It also sets the component's user. Scope setting in App. Controller: :before. Filter(). This setting allows us to define which conditions the User find operation need to match toallow a user account to log in. By adding the user. Scope setting, we ensure that only user records that have the active field set to 1 are allowed access. Changing the default user model. As you may have noticed, the role of the User model is crucial, not only to fetch the right user account, but also to check the permissions on some of the authentication schemes. By default, the Auth component will look for a User model, but you can change which model is to be used by setting the user. Model property or the user. Model key in the settings array. For example, if your user model is Account, you would add the following setting when adding the Auth component to your controller: 'user. Model' => 'Account'Or equivalently, you would add the following to the before. Filter method of your. App. Controller class, in the block of code where you are setting up the component: $this- > Auth- > user. Model = 'Account'; The $authorize property of the Auth component (or the authorize key in the Authcomponent settings array) defines which authentication scheme should be used. Possible values are: controller: It makes the component use the controller's is. Authorized method, which returns true to allow access, or false to reject it. This method is particularly useful when obtaining the logged- in user (refer to the Getting the current user's information recipe)model: It is similar to controller; instead of using the controller to call the method, it looks for the is. Authorized method in the User model. First, it tries to map the controller's action to a CRUD operation (one of 'create', 'read', 'update', or 'delete'), and then calls the method with three arguments: the user record, the controller that is being accessed, and the CRUD operation (or actual controller action) that is to be executed. It is similar to model; instead of using the model to call the method, it looks for the is. Authorized method in a given class. In order to specify which class, set the Auth. Component: :$object property to an instance of such a class. It calls the method with three arguments: the user record, the controller that is being accessed, and the action that is to be executed. It uses the Acl component to check for access, which allows a much more grained access control. It is similar to actions; the difference lies in the fact that it first tries to map the controller's action to a CRUD operation (one of 'create', 'read', 'update', or 'delete'.).
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