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Signed-off-by: Xe Iaso <me@xeiaso.net>
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Closes #372
Fun YAML fact of the day:
What is the difference between how these two expressions are parsed?
```yaml
foo: >
bar
```
```yaml
foo: >-
bar
```
They are invisible in yaml, but when you evaluate them to JSON the
difference is obvious:
```json
{
"foo": "bar\n"
}
```
```json
{
"foo": "bar"
}
```
User-Agent strings, URL path values, and HTTP headers _do_ end in
newlines in HTTP/1.1 wire form, but that newline is usually stripped
before the server actually handles it. Also HTTP/2 is a thing and does
not terminate header values with newlines.
This change makes Anubis more aggressively detect mistaken uses of the
yaml `>` operator and nudges the user into using the yaml `>-` operator
which does not append the trailing newline.
I had honestly forgotten about this YAML behavior because it wasn't
relevant for so long. Oops! Glad I released a beta.
Whenever you get into this state, Anubis will throw a config parsing
error and then give you a message hinting at the folly of your ways.
```
config.Bot: regular expression ends with newline (try >- instead of > in yaml)
```
Big thanks to https://yaml-multiline.info, this helped me realize my
folly instantly.
@aiverson, this is official permission to say "told you so".
Signed-off-by: Xe Iaso <me@xeiaso.net>
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* feat(config): support importing bot policy snippets
This changes the grammar of the Anubis bot policy config to allow
importing from internal shared rules or external rules on the
filesystem.
This lets you create a file at `/data/policies/block-evilbot.yaml` and
then import it with:
```yaml
bots:
- import: /data/policies/block-evilbot.yaml
```
This also explodes the default policy file into a bunch of composable
snippets.
Thank you @Aibrew for your example gitea Atom / RSS feed rules!
Signed-off-by: Xe Iaso <me@xeiaso.net>
* fix(data): update botPolicies.json to use imports
Signed-off-by: Xe Iaso <me@xeiaso.net>
* fix(cmd/anubis): extract bot policies with --extract-resources
This allows a user that doesn't have anything but the Anubis binary to
figure out what the default configuration does.
* docs(data/botPolices.yaml): document import syntax in-line
Signed-off-by: Xe Iaso <me@xeiaso.net>
* fix(lib/policy): better test importing from JSON snippets
Signed-off-by: Xe Iaso <me@xeiaso.net>
* docs(admin): Add import syntax documentation
This documents the import syntax and is based on the block comment at
the top of the default bot policy file.
* docs(changelog): add note about importing snippets
Signed-off-by: Xe Iaso <me@xeiaso.net>
* style(lib/policy/config): use an error value instead of an inline error
Signed-off-by: Xe Iaso <me@xeiaso.net>
---------
Signed-off-by: Xe Iaso <me@xeiaso.net>
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* lib: move config to yaml
Signed-off-by: Xe Iaso <me@xeiaso.net>
* web: run go generate
Signed-off-by: Xe Iaso <me@xeiaso.net>
* Add Haiku to known instances (#304)
Signed-off-by: Asmodeus <46908100+AsmodeumX@users.noreply.github.com>
* Add headers bot rule (#300)
* Closes #291: add headers support to bot policy rules
* Fix config validator
* update docs for JSON -> YAML
Signed-off-by: Xe Iaso <me@xeiaso.net>
* docs: document http header based actions
Signed-off-by: Xe Iaso <me@xeiaso.net>
* lib: add missing test
Signed-off-by: Xe Iaso <me@xeiaso.net>
* Apply suggestions from code review
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Xe Iaso <me@xeiaso.net>
---------
Signed-off-by: Xe Iaso <me@xeiaso.net>
Signed-off-by: Asmodeus <46908100+AsmodeumX@users.noreply.github.com>
Co-authored-by: Asmodeus <46908100+AsmodeumX@users.noreply.github.com>
Co-authored-by: Neur0toxine <pashok9825@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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* Closes #291: add headers support to bot policy rules
* Fix config validator
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* Refactor anubis to split business logic into a lib, and cmd to just be direct usage.
* Post-rebase fixes.
* Update changelog, remove unnecessary one.
* lib: refactor this
This is mostly based on my personal preferences for how Go code should
be laid out. I'm not sold on the package name "lib" (I'd call it anubis
but that would stutter), but people are probably gonna import it as
libanubis so it's likely fine.
Packages have been "flattened" to centralize implementation with area of
concern. This goes against the Java-esque style that many people like,
but I think this helps make things simple.
Most notably: the dnsbl client (which is a hack) is an internal package
until it's made more generic. Then it can be made external.
I also fixed the logic such that `go generate` works and rebased on
main.
* internal/test: run tests iff npx exists and DONT_USE_NETWORK is not set
Signed-off-by: Xe Iaso <me@xeiaso.net>
* internal/test: install deps
Signed-off-by: Xe Iaso <me@xeiaso.net>
* .github/workflows: verbose go tests?
Signed-off-by: Xe Iaso <me@xeiaso.net>
* internal/test: sleep 2
Signed-off-by: Xe Iaso <me@xeiaso.net>
* internal/test: nix this test so CI works
Signed-off-by: Xe Iaso <me@xeiaso.net>
* internal/test: warmup per browser?
Signed-off-by: Xe Iaso <me@xeiaso.net>
* internal/test: disable for now :(
Signed-off-by: Xe Iaso <me@xeiaso.net>
* lib/anubis: do not apply bot rules if address check fails
Closes #83
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Signed-off-by: Xe Iaso <me@xeiaso.net>
Co-authored-by: Xe Iaso <me@xeiaso.net>
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