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Add sanitizer rules per renderer (#16110)

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* Added sanitizer rules per renderer.

* Updated documentation.

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
KN4CK3R
2021-06-23 23:09:51 +02:00
committed by GitHub
parent eb324a9402
commit c9c7afda1a
10 changed files with 215 additions and 113 deletions
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docs/content/doc/advanced/external-renderers.en-us.md
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@@ -64,8 +64,8 @@ IS_INPUT_FILE = false
[markup.jupyter]
ENABLED = true
FILE_EXTENSIONS = .ipynb
RENDER_COMMAND = "jupyter nbconvert --stdout --to html --template basic "
IS_INPUT_FILE = true
RENDER_COMMAND = "jupyter nbconvert --stdin --stdout --to html --template basic"
IS_INPUT_FILE = false
[markup.restructuredtext]
ENABLED = true
@@ -90,15 +90,50 @@ FILE_EXTENSIONS = .md,.markdown
RENDER_COMMAND = pandoc -f markdown -t html --katex
```
You must define `ELEMENT`, `ALLOW_ATTR`, and `REGEXP` in each section.
You must define `ELEMENT` and `ALLOW_ATTR` in each section.
To define multiple entries, add a unique alphanumeric suffix (e.g., `[markup.sanitizer.1]` and `[markup.sanitizer.something]`).
To apply a sanitisation rules only for a specify external renderer they must use the renderer name, e.g. `[markup.sanitizer.asciidoc.rule-1]`, `[markup.sanitizer.<renderer>.rule-1]`.
**Note**: If the rule is defined above the renderer ini section or the name does not match a renderer it is applied to every renderer.
Once your configuration changes have been made, restart Gitea to have changes take effect.
**Note**: Prior to Gitea 1.12 there was a single `markup.sanitiser` section with keys that were redefined for multiple rules, however,
there were significant problems with this method of configuration necessitating configuration through multiple sections.
### Example: Office DOCX
Display Office DOCX files with [`pandoc`](https://pandoc.org/):
```ini
[markup.docx]
ENABLED = true
FILE_EXTENSIONS = .docx
RENDER_COMMAND = "pandoc --from docx --to html --self-contained --template /path/to/basic.html"
[markup.sanitizer.docx.img]
ALLOW_DATA_URI_IMAGES = true
```
The template file has the following content:
```
$body$
```
### Example: Jupyter Notebook
Display Jupyter Notebook files with [`nbconvert`](https://github.com/jupyter/nbconvert):
```ini
[markup.jupyter]
ENABLED = true
FILE_EXTENSIONS = .ipynb
RENDER_COMMAND = "jupyter-nbconvert --stdin --stdout --to html --template basic"
[markup.sanitizer.jupyter.img]
ALLOW_DATA_URI_IMAGES = true
```
## Customizing CSS
The external renderer is specified in the .ini in the format `[markup.XXXXX]` and the HTML supplied by your external renderer will be wrapped in a `<div>` with classes `markup` and `XXXXX`. The `markup` class provides out of the box styling (as does `markdown` if `XXXXX` is `markdown`). Otherwise you can use these classes to specifically target the contents of your rendered HTML.