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terminal42/contao-inserttags

Adds a back end module to define your custom insert tags. You can limit an insert tag to certain pages, show it to guests only, or restrict it to certain logged in front end member groups.

For more complex use cases, the extension also supports Contao's Simple Token syntax, which allows for more powerful and dynamic replacements.

Example token

• Insert tag: phone
• Replacement: +48 123 456 789
• Usage: {{custom::phone}}
• Output: +48 123 456 789

Supported Simple Tokens

The Simple Tokens are split into two types:

Evaluation tokens

The evaluation tokens are meant to be used in the conditional statements and have a format of token.property.

Here is a list of supported evaluation tokens:

1. member.* – current member properties, if logged in. Caution, it can be null if no member is logged in!
2. page.* – current page properties.

Examples:

Note: Always check for page and member before doing comparisons. If you are in the Contao back end, none of them are set.

Replacement tokens

The replacement tokens are meant to be used to output the data and have a format of ##token_property##.

Here is a list of supported replacement tokens:

1. ##member_*## – current member properties, if logged in.
2. ##page_*## – current page properties.

Examples:

Comments

From version 2.1.0 you can use comments to describe the replacements:

If you would like to use a hash as the first character of the line, you can escape it as follows: \#.

Security concerns

Q: Why there are two types of token?

A: The evaluation tokens refer to the real objects. However, the objects should NEVER be used as replacement tokens due to security reasons. For that, we introduced the replacement tokens which contain the plain string data.

Q: Why there is no support for the request?

A: The request may contain malicious data that is provided e.g., as a query parameter, and it could be dangerous to allow users to display it in the frontend.

Q: Why there is no support for tag parameters like {{custom::my_tag::my_param_1::my_param_2}}?

A: The tag parameters cannot be validated which is potentially dangerous.

Upgrade from version 1.x

Some options present in version 1.x have been removed. All changes are described below.

Removed "timing"

The timing feature has been removed completely, because it would kill HTTP caching. If you need a replacement, please consider a JavaScript solution.

Removed "limitLanguages"

This option has been removed completely, use the limiting insert tags to certain pages feature instead.

Removed "useCondition"

This option has been removed completely as this too, would make HTTP caching impossible.

Removed "useCounter"

This option has been removed completely as this too, would make HTTP caching impossible.

Removed "mode"

This option has been removed completely, as insert tags are only present in the front end.

Removed "cacheOutput"

This option has been removed completely as it is not required in version 2 anymore.

License

This bundle is released under the MIT license