Class SecurityHeadersMiddleware
Handles common security headers in a convenient way
Link: https://book.cakephp.org/4/en/controllers/middleware.html#security-header-middleware
Constants
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stringALL ¶'all' -
stringALLOW_FROM ¶'allow-from' -
stringBY_CONTENT_TYPE ¶'by-content-type' -
stringBY_FTP_FILENAME ¶'by-ftp-filename' -
stringDENY ¶'deny' -
stringMASTER_ONLY ¶'master-only' -
stringNONE ¶'none' -
stringNOOPEN ¶'noopen' -
stringNOSNIFF ¶'nosniff' -
stringNO_REFERRER ¶'no-referrer' -
stringNO_REFERRER_WHEN_DOWNGRADE ¶'no-referrer-when-downgrade' -
stringORIGIN ¶'origin' -
stringORIGIN_WHEN_CROSS_ORIGIN ¶'origin-when-cross-origin' -
stringSAMEORIGIN ¶'sameorigin' -
stringSAME_ORIGIN ¶'same-origin' -
stringSTRICT_ORIGIN ¶'strict-origin' -
stringSTRICT_ORIGIN_WHEN_CROSS_ORIGIN ¶'strict-origin-when-cross-origin' -
stringUNSAFE_URL ¶'unsafe-url' -
stringXSS_BLOCK ¶'block' -
stringXSS_DISABLED ¶'0' -
stringXSS_ENABLED ¶'1' -
stringXSS_ENABLED_BLOCK ¶'1; mode=block'
Property Summary
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$headers protected
arraySecurity related headers to set
Method Summary
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checkValues() protected
Convenience method to check if a value is in the list of allowed args
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noOpen() public
X-Download-Options
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noSniff() public
X-Content-Type-Options
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process() public
Serve assets if the path matches one.
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setCrossDomainPolicy() public
X-Permitted-Cross-Domain-Policies
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setReferrerPolicy() public
Referrer-Policy
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setXFrameOptions() public
X-Frame-Options
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setXssProtection() public
X-XSS-Protection
Method Detail
checkValues() ¶ protected
checkValues(string $value, array<string> $allowed): voidConvenience method to check if a value is in the list of allowed args
Parameters
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string$value Value to check
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array<string>$allowed List of allowed values
Returns
voidThrows
InvalidArgumentExceptionThrown when a value is invalid.
noOpen() ¶ public
noOpen(): $thisX-Download-Options
Sets the header value for it to 'noopen'
Returns
$thisLinks
noSniff() ¶ public
noSniff(): $thisX-Content-Type-Options
Sets the header value for it to 'nosniff'
Returns
$thisLinks
process() ¶ public
process(ServerRequestInterface $request, RequestHandlerInterface $handler): Psr\Http\Message\ResponseInterfaceServe assets if the path matches one.
Processes an incoming server request in order to produce a response. If unable to produce the response itself, it may delegate to the provided request handler to do so.
Parameters
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ServerRequestInterface$request The request.
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RequestHandlerInterface$handler The request handler.
Returns
Psr\Http\Message\ResponseInterfacesetCrossDomainPolicy() ¶ public
setCrossDomainPolicy(string $policy = self::ALL): $thisX-Permitted-Cross-Domain-Policies
Parameters
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string$policy optional Policy value. Available Values: 'all', 'none', 'master-only', 'by-content-type', 'by-ftp-filename'
Returns
$thisLinks
setReferrerPolicy() ¶ public
setReferrerPolicy(string $policy = self::SAME_ORIGIN): $thisReferrer-Policy
Parameters
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string$policy optional Policy value. Available Value: 'no-referrer', 'no-referrer-when-downgrade', 'origin', 'origin-when-cross-origin', 'same-origin', 'strict-origin', 'strict-origin-when-cross-origin', 'unsafe-url'
Returns
$thisLinks
setXFrameOptions() ¶ public
setXFrameOptions(string $option = self::SAMEORIGIN, string|null $url = null): $thisX-Frame-Options
Parameters
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string$option optional Option value. Available Values: 'deny', 'sameorigin', 'allow-from
' -
string|null$url optional URL if mode is
allow-from
Returns
$thisLinks
setXssProtection() ¶ public
setXssProtection(string $mode = self::XSS_BLOCK): $thisX-XSS-Protection
Parameters
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string$mode optional Mode value. Available Values: '1', '0', 'block'
Returns
$this