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URL management

You can manage external URL addresses and URL wildcards in the Back Office, Admin tab, the URL Management node. Configure URL aliases to have human-readable URL addresses throughout your system.

When developing a site, users can enter links to external websites in either RichText or URL fields. Each such link is then displayed in the URL table. You can view and update all external links that exist within the site, without having to modify and re-publish the individual content items.

The Link manager tab contains all the information about each link, including its status (valid or invalid) and the time the system last attempted to validate the URL address. Click an entry in the list to display its details and check which content items use this link. Edit the entry to update the URL address in all the occurrences throughout the website.

Note

When you edit the details of an entry to update the URL address, the status automatically changes to valid.

External URL validation

You can validate all the addresses from the URL table by executing the ibexa:check-urls command. It validates the links by accessing them one by one and updates the value in the Last checked field. If a broken link is found, its status is set to "invalid".

The following protocols are currently supported:

  • http
  • https
  • mailto

Enabling automatic URL validation

To enable automatic URL validation, set up cron to run the ibexa:check-urls command periodically.

For example, to check links every week, add the following script:

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echo '0 0 * * 0 cd [path-to-ibexa]; php bin/console ibexa:check-urls --quiet --env=prod' > ezp_cron.txt

Next, append the new cron to user's crontab without destroying existing crons. Assuming that the web server user data is www-data:

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crontab -u www-data -l|cat - ezp_cron.txt | crontab -u www-data -

Finally, remove the temporary file:

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rm ezp_cron.txt

Configuration

The configuration of external URLs validation is SiteAccess-aware and is stored under the ibexa.system.<scope>.url_checker configuration key, for example:

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ibexa:
    system:
        default:
            url_checker:
                handlers:
                    http:
                        enabled: true
                        batch_size: 64
                    https:
                        enabled: true
                        ignore_certificate: false             
                    mailto:
                        enabled: false

Available options are protocol-specific. For details, see the tables below.

http/https protocol

Option Description Default value
enabled Enables link validation. true
timeout Defines the time that the request is allowed to take (in seconds). 10
connection_timeout Defines the time that the connect phase is allowed to take (in seconds). 5
batch_size Defines a maximum number of asynchronous requests. 10
ignore_certificate Decides if the peer's SSL certificate or the certificate name are verified against the host. false

mailto protocol

Option Description Default value
enabled Enables link validation. true

For more information about Ibexa configuration, see Configuration.

Custom protocol support

You can extend the external URL address validation with a custom protocol. To do this, you must provide a service that implements the Ibexa\Bundle\Core\URLChecker\URLHandlerInterface interface: s 

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<?php

/**
 * @copyright Copyright (C) Ibexa AS. All rights reserved.
 * @license For full copyright and license information view LICENSE file distributed with this source code.
 */
namespace Ibexa\Bundle\Core\URLChecker;

interface URLHandlerInterface
{
    /**
     * Validates given list of URLs.
     *
     * @param \Ibexa\Contracts\Core\Repository\Values\URL\URL[] $urls
     */
    public function validate(array $urls);
}

Then you must register the service with an ibexa.url_checker.handler tag, like in the following example:

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app.url_checker.handler.custom:
    class: 'App\URLChecker\Handler\CustomHandler'
    ...
    tags:
        - { name: ibexa.url_checker.handler, scheme: custom }

The scheme attribute is mandatory and has to correspond to the name of the protocol, for instance, ftp.

URL aliases

You can define URL aliases for individual content items, for example, when you reorganize the content, and want to provide users with continuity. For each URL alias definition the history of changes is preserved, so that users who have bookmarked the URL addresses of content items can still find he information they desire.

Note

Make sure that you correctly define languages used by the site in the configuration (under the ibexa.system.<scope>.languages key). Otherwise, redirections for the renamed Content with translations in multiple languages may fail to work properly.

Legacy storage engine limitation

The Legacy storage engine does not archive URL aliases, which initially had the same name in multiple languages. For more information, see the Jira ticket.

URL aliases are not SiteAccess-aware. When creating an alias, you can select a SiteAccess to base it on. If the SiteAccess root path (configured in content.tree_root.location_id) is different than the default, the prefix path that results from the configured content root is prepended to the final alias path.

URL alias pattern configuration

You can configure how Ibexa DXP generates URL aliases. The configuration is stored under the ibexa.url_alias.slug_converter configuration key, for example:

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ibexa:
    url_alias:
        slug_converter:
            transformation: example_group
            separator: dash
            transformation_groups:
                example_group:
                    commands:
                        - space_normalize
                        - hyphen_normalize
                        - apostrophe_normalize
                        - doublequote_normalize
                        - your_custom_command
                    cleanup_method: url_cleanup
Option Description
transformation Indicates which pattern is used by default.
separator Decides what separator is used. There are three types of separator available: dash, underscore and space.
transformation_groups Contains the available patterns for URL generation.

A transformation group consists of an array of commands (see all available commands) and a cleanupText.

You can make use of pre-defined transformation groups. You can also add your own, with your own set of commands. To add commands to an existing group, provide the group name and list the commands that you want to add.

Regenerating URL aliases

You can use the ibexa:urls:regenerate-aliases command to regenerate all URL aliases. After the command is applied, old aliases redirect to the new ones.

Use it when:

  • you change URL alias configuration and want to regenerate old aliases
  • you encounter database corruption
  • you have content that does not have a URL alias

Caution

Before you apply the command, back up your database and make sure it is not modified while the command is running.

Execute the following command to regenerate aliases:

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bin/console ibexa:urls:regenerate-aliases

You can also extend the command with the following parameters:

  • --iteration-count — Defines how many Locations are processed at once to reduce memory usage
  • --location-id — Regenerates URL addresses for specific Locations only, e.g. ibexa:urls:regenerate-aliases --location-id=1 --location-id=2

URL wildcards

With wildcards, you can change the URL address for many content items at the same time, by replacing a portion of the destination's URL address. For example, you might want to shorten the path, or make the path meaningful.

For each URL wildcard definition you set the wildcard pattern and its destination. Also, you can decide whether the user sees the content at the address that uses wildcards (Direct type), or is redirected to the original URL address of the destination (Forward type).

For example, a URL wildcard called pictures/*/* can use media/images/{1}/{2} as destination. In this case, accessing <yourdomain>/pictures/home/photo/ loads <yourdomain>/media/images/home/photo/.

You can configure URL wildcards either in the Back Office, or with the public PHP API.

Before you configure URL wildcards, you must enable the feature in configuration:

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ibexa:
    url_wildcards:
        enabled: true

Configuring URL wildcards in the Back Office

The URL wildcards tab contains all the information about each URL wildcard. You can delete or modify existing entries, or create new ones.

Note

To be able to modify wildcard support settings in the user interface, you must have the content/urltranslator Policy. For more information about permissions, see Permissions.

Configuring URL wildcards with the public PHP API

You can create URL wildcards with the public PHP API by using the URLWildcardService service:

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$source = 'pictures/*/*';
$destination = 'media/images/{1}/{2}';
$redirect = true;

$urlWildcardService = $repository->getURLWildcardService();
$repository->sudo(function ($repository) use ($urlWildcardService, $source, $destination, $redirect) {
    $urlWildcardService->create($source, $destination, $redirect);
});

If $redirect is set to true, the redirection changes the URL address. If it is false, the old URL address is be used, with the new content.