Struct Headers

#[non_exhaustive]
pub struct Headers {
    pub match_pattern: Option<HeaderMatchPattern>,
    pub match_scope: MapMatchScope,
    pub oversize_handling: OversizeHandling,
}

Inspect all headers in the web request. You can specify the parts of the headers to inspect and you can narrow the set of headers to inspect by including or excluding specific keys.

This is used to indicate the web request component to inspect, in the FieldToMatch specification.

If you want to inspect just the value of a single header, use the SingleHeader FieldToMatch setting instead.

Example JSON: "Headers": { "MatchPattern": { "All": {} }, "MatchScope": "KEY", "OversizeHandling": "MATCH" }

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

match_pattern: Option<HeaderMatchPattern>

The filter to use to identify the subset of headers to inspect in a web request.

You must specify exactly one setting: either All, IncludedHeaders, or ExcludedHeaders.

Example JSON: "MatchPattern": { "ExcludedHeaders": \[ "KeyToExclude1", "KeyToExclude2" \] }

match_scope: MapMatchScope

The parts of the headers to match with the rule inspection criteria. If you specify ALL, WAF inspects both keys and values.

All does not require a match to be found in the keys and a match to be found in the values. It requires a match to be found in the keys or the values or both. To require a match in the keys and in the values, use a logical AND statement to combine two match rules, one that inspects the keys and another that inspects the values.

oversize_handling: OversizeHandling

What WAF should do if the headers of the request are more numerous or larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.

The options for oversize handling are the following:

• CONTINUE - Inspect the available headers normally, according to the rule inspection criteria.

• MATCH - Treat the web request as matching the rule statement. WAF applies the rule action to the request.

• NO_MATCH - Treat the web request as not matching the rule statement.

Implementations

impl Headers

pub fn match_pattern(&self) -> Option<&HeaderMatchPattern>

The filter to use to identify the subset of headers to inspect in a web request.

You must specify exactly one setting: either All, IncludedHeaders, or ExcludedHeaders.

Example JSON: "MatchPattern": { "ExcludedHeaders": \[ "KeyToExclude1", "KeyToExclude2" \] }

pub fn match_scope(&self) -> &MapMatchScope

The parts of the headers to match with the rule inspection criteria. If you specify ALL, WAF inspects both keys and values.

All does not require a match to be found in the keys and a match to be found in the values. It requires a match to be found in the keys or the values or both. To require a match in the keys and in the values, use a logical AND statement to combine two match rules, one that inspects the keys and another that inspects the values.

pub fn oversize_handling(&self) -> &OversizeHandling

What WAF should do if the headers of the request are more numerous or larger than WAF can inspect. WAF does not support inspecting the entire contents of request headers when they exceed 8 KB (8192 bytes) or 200 total headers. The underlying host service forwards a maximum of 200 headers and at most 8 KB of header contents to WAF.

The options for oversize handling are the following:

• CONTINUE - Inspect the available headers normally, according to the rule inspection criteria.

• MATCH - Treat the web request as matching the rule statement. WAF applies the rule action to the request.

• NO_MATCH - Treat the web request as not matching the rule statement.

impl Headers

pub fn builder() -> HeadersBuilder

Creates a new builder-style object to manufacture Headers.

Trait Implementations

impl Clone for Headers

fn clone(&self) -> Headers

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Headers

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for Headers

fn eq(&self, other: &Headers) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Headers