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bde3164eb4
New filter options
==================
Strict partyness: `1P`, `3P`
----------------------------
The current options 1p/3p are meant to "weakly" match partyness, i.e. a
network request is considered 1st-party to its context as long as both the
context and the request share the same base domain.
The new partyness options are meant to check for strict partyness, i.e. a
network request will be considered 1st-party if and only if both the context
and the request share the same hostname.
For examples:
- context: `www.example.org`
- request: `www.example.org`
- `1p`: yes, `1P`: yes
- `3p`: no, `3P`: no
- context: `www.example.org`
- request: `subdomain.example.org`
- `1p`: yes, `1P`: no
- `3p`: no, `3P`: yes
- context: `www.example.org`
- request: `www.example.com`
- `1p`: no, `1P`: no
- `3p`: yes, `3P`: yes
The strict partyness options will be visually emphasized in the editor so as
to prevent mistakenly using `1P` or `3P` where weak partyness is meant to be
used.
Filter on response headers: `header=`
-------------------------------------
Currently experimental and under evaluation. Disabled by default, enable by
toggling `filterOnHeaders` to `true` in advanced settings.
Ability to filter network requests according to whether a specific response
header is present and whether it matches or does not match a specific value.
For example:
*$1p,3P,script,header=via:1\.1\s+google
The above filter is meant to block network requests which fullfill all the
following conditions:
- is weakly 1st-party to the context
- is not strictly 1st-party to the context
- is of type `script`
- has a response HTTP header named `via`, which value matches the regular
expression `1\.1\s+google`.
The matches are always performed in a case-insensitive manner.
The header value is assumed to be a literal regular expression, except for
the following special characters:
- to anchor to start of string, use leading `|`, not `^`
- to anchor to end of string, use trailing `|`, not `$`
- to invert the test, use a leading `!`
To block a network request if it merely contains a specific HTTP header is
just a matter of specifying the header name without a header value:
*$1p,3P,script,header=via
Generic exception filters can be used to disable specific block `header=`
filters, i.e. `@@*$1p,3P,script,header` will override the block `header=`
filters given as example above.
Dynamic filtering's `allow` rules override block `headers=` filters.
Important: It is key that filter authors use as many narrowing filter options
as possible when using the `header=` option, and the `header=` option should
be used ONLY when other filter options are not sufficient.
More documentation justifying the purpose of `header=` option will be
provided eventually if ever it is decided to move it from experimental to
stable status.
To be decided: to restrict usage of this filter option to only uBO's own
filter lists or "My filters".
Changes
=======
Fine tuning `queryprune=`
-------------------------
The following changes have been implemented:
The special value `*` (i.e. `queryprune=*`) means "remove all query
parameters".
If the `queryprune=` value is made only of alphanumeric characters
(including `_`), the value will be internally converted to regex equivalent
`^value=`. This ensures a better future compatibility with AdGuard's
`removeparam=`.
If the `queryprune=` value starts with `!`, the test will be inverted. This
can be used to remove all query parameters EXCEPT those who match the
specified value.
Other
-----
The legacy code to test for spurious CSP reports has been removed. This
is no longer an issue ever since uBO redirects to local resources through
web accessible resources.
Notes
=====
The following new and recently added filter options are not compatible with
Chromium's manifest v3 changes:
- `queryprune=`
- `1P`
- `3P`
- `header=`
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| .. | ||
| fonts | ||
| themes | ||
| 1p-filters.css | ||
| 3p-filters.css | ||
| about.css | ||
| advanced-settings.css | ||
| asset-viewer.css | ||
| click2load.css | ||
| cloud-ui.css | ||
| codemirror.css | ||
| common.css | ||
| dashboard-common.css | ||
| dashboard.css | ||
| document-blocked.css | ||
| dyna-rules.css | ||
| epicker-ui.css | ||
| fa-icons.css | ||
| logger-ui-inspector.css | ||
| logger-ui.css | ||
| popup-fenix.css | ||
| popup.css | ||
| settings.css | ||
| shortcuts.css | ||
| whitelist.css | ||