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BravesheepMailerUrlBundle

A Symfony2 bundle for parsing the contents of a url that specifies which mailer to use.

Installation and configuration

Using Composer add the bundle to your dependencies using the require command: composer require bravesheep/mailer-url-bundle:dev-master.

Add the bundle to your AppKernel

Add the bundle in your app/AppKernel.php. Note: in order for the parameters defined by this bundle to be picked up by Swiftmailer, you need to include this bundle before including the Symfony\Bundle\SwiftmailerBundle\SwiftmailerBundle bundle.

Configure which urls should be rewritten to parameters

For this bundle to work you need to specify which urls need to be rewritten to basic parameters. This bundle can handle any number of urls by configuring the correct properties under bravesheep_mailer_url.urls. Take a look at this example configuration:

In this case we take the value of the mailer_url parameter and create parameters from it prefixed with mailer_.

Usage

Take a look at this parameters.yml.dist which is distributed by the Symfony2 Standard Edition:

As you can see we need 4 parameters to specify the smtp settings, and that doesn't even include setting the port, encryption or authentication methods in the case of SMTP (which might actually vary on different environments). It would be nice if we could reduce the number of parameters required and specify which mailer to use by specifying a single URL:

Still easily readable, but a lot more concise. The BravesheepMailerUrlBundle can do exactly this. Given the configuration as shown in the previous section and this configuration the bundle uses mailer_url to create the
mailer_transport and mailer_host with the correct data.

In general this bundle takes any valid mailer url and creates the following parameters, prefixed with the specified prefix: transport, host, port, user, password, encryption and auth_mode.

Accepted URLs

URLs are generally formatted in scheme://user:password@host:port format. The following schemes are understood:

• smtp for basic SMTP
• smtp+ssl or ssl+smtp for SMTP with SSL encryption
• smtp+tls or tls+smtp for SMTP with TLS encryption
• gmail for the GMail mail transport provided by Symfony
• mail for using the internal mail() function in PHP
• sendmail for using the sendmail binary your system provides

The encryption (besides using the scheme, which is preferred) and auth_mode parameters can be specified via query parameters, for example: smtp://user:pass@localhost/?encryption=tls&auth_mode=plain. Valid values for auth_mode are plain, login and cram-md5.

Gmail URLs may be specified by leaving the everything after the authentication string out, for example: gmail://[email protected]:password. For mail and sendmail you can use: mail:// or mail, and sendmail:// or sendmail respectively.