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Add AST check to catch calls, remove regex for block and template

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binwiederhier
2026-07-08 21:56:57 +02:00
parent 1d69ebaf58
commit 165f012ae6
10 changed files with 858 additions and 75 deletions
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@@ -3224,6 +3224,11 @@ You can use the following features in your templates:
A good way to experiment with Go templates is the **[Go Template Playground](https://repeatit.io)**. It is _highly recommended_ to test
your templates there first ([example for Grafana alert](https://repeatit.io/#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)).
!!! info
A few Go template features are disabled for user-supplied templates: `{{define}}`, `{{template}}`,
`{{block}}`, and `{{call}}` are not allowed. Templates also run with a short execution time limit --
a template that loops too long is stopped and rejected with an HTTP 400 error.
### Template functions
ntfy supports a subset of the **[Sprig template functions](publish/template-functions.md)** (originally copied from [Sprig](https://github.com/Masterminds/sprig),
thank you to the Sprig developers 🙏). This is useful for advanced message templating and for transforming the data provided through the JSON payload.