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Author	SHA1	Message	Date
Alexander Scheel	f686be5964	Fix sanitizer config - multiple rules (#11133 ) In #9888, it was reported that my earlier pull request #9075 didn't quite function as expected. I was quite hopeful the `ValuesWithShadow()` worked as expected (and, I thought my testing showed it did) but I guess not. @zeripath proposed an alternative syntax which I like: ```ini [markup.sanitizer.1] ELEMENT=a ALLOW_ATTR=target REGEXP=something [markup.sanitizer.2] ELEMENT=a ALLOW_ATTR=target REGEXP=something ``` This was quite easy to adopt into the existing code. I've done so in a semi-backwards-compatible manner: - The value from `.Value()` is used for each element. - We parse `[markup.sanitizer]` and all `[markup.sanitizer.*]` sections and add them as rules. This means that existing configs will load one rule (not all rules). It also means people can use string identifiers (`[markup.sanitiser.KaTeX]`) if they prefer, instead of numbered ones. Co-authored-by: Andrew Thornton <art27@cantab.net> Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>	6 years ago
Alexander Scheel	e9b0de09ab	Markdown: Sanitizier Configuration (#9075 ) * Support custom sanitization policy Allowing the gitea administrator to configure sanitization policy allows them to couple external renders and custom templates to support more markup. In particular, the `pandoc` renderer allows generating KaTeX annotations, wrapping them in `<span>` elements with class `math` and either `inline` or `display` (depending on whether or not inline or block mode was requested). This iteration gives the administrator whitelisting powers; carefully crafted regexes will thus let through only the desired attributes necessary to support their custom markup. Resolves: #9054 Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com> * Document new sanitization configuration - Adds basic documentation to app.ini.sample, - Adds an example to the Configuration Cheat Sheet, and - Adds extended information to External Renderers section. Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com> * Drop extraneous length check in newMarkupSanitizer(...) Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com> * Fix plural ELEMENT and ALLOW_ATTR in docs These were left over from their initial names. Make them singular to conform with the current expectations. Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com>	6 years ago
Lunny Xiao	be0fedc455	split setting.go to multiple files (#6154 ) * split setting.go to multiple files * fix lint	7 years ago

Author

SHA1

Message

Date

Alexander Scheel

f686be5964

Fix sanitizer config - multiple rules (#11133 )

In #9888, it was reported that my earlier pull request #9075 didn't quite function as expected. I was quite hopeful the `ValuesWithShadow()` worked as expected (and, I thought my testing showed it did) but I guess not. @zeripath proposed an alternative syntax which I like:

```ini
[markup.sanitizer.1]
ELEMENT=a
ALLOW_ATTR=target
REGEXP=something
[markup.sanitizer.2]
ELEMENT=a
ALLOW_ATTR=target
REGEXP=something
```

This was quite easy to adopt into the existing code. I've done so in a semi-backwards-compatible manner:

 - The value from `.Value()` is used for each element.
 - We parse `[markup.sanitizer]` and all `[markup.sanitizer.*]` sections and add them as rules.

This means that existing configs will load one rule (not all rules). It also means people can use string identifiers (`[markup.sanitiser.KaTeX]`) if they prefer, instead of numbered ones.

Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>

6 years ago

Alexander Scheel

e9b0de09ab

Markdown: Sanitizier Configuration (#9075 )

* Support custom sanitization policy

Allowing the gitea administrator to configure sanitization policy allows
them to couple external renders and custom templates to support more
markup. In particular, the `pandoc` renderer allows generating KaTeX
annotations, wrapping them in `<span>` elements with class `math` and
either `inline` or `display` (depending on whether or not inline or
block mode was requested).

This iteration gives the administrator whitelisting powers; carefully
crafted regexes will thus let through only the desired attributes
necessary to support their custom markup.

Resolves: #9054

Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com>

* Document new sanitization configuration

 - Adds basic documentation to app.ini.sample,
 - Adds an example to the Configuration Cheat Sheet, and
 - Adds extended information to External Renderers section.

Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com>

* Drop extraneous length check in newMarkupSanitizer(...)

Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com>

* Fix plural ELEMENT and ALLOW_ATTR in docs

These were left over from their initial names. Make them singular to
conform with the current expectations.

Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com>

6 years ago

Lunny Xiao

be0fedc455

split setting.go to multiple files (#6154 )

* split setting.go to multiple files

* fix lint

7 years ago

3 Commits (4fa26e9d5ad483d6acc1d7e86c149ae4e3f7db21)