Class Xmf\ProxyCheck


					
	public

__construct()

ProxyCheck constructor.

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	public

get(): string|false

Get IP address from proxy header specified in $xoopsConfig['proxy_env']

Returns proxy revealed valid client address, or false if such address was not found.

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	protected

splitOnComma(string $header): string[]

Split comma delimited string

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	protected

getProxyEnvConfig(): string|bool

get configured proxy environment variable

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	protected

getProxyHeader(): string|false

get the configured proxy header

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	protected

getFor(string $header): string|false

Extract 'for' IP address in FORWARDED header as in RFC 7239

IP address, or false if invalid

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	protected

getXForwardedFor(string $ip): string|false

Process an X-Forwarded-For or Client-IP style header

$ip

expected to be an IP address

IP address, or false if invalid

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	protected

validateRoutableIP(string $ip): string|false

Validate that an IP address is routable

$ip

an IP address to validate

IP address or false if invalid

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Constants
`public`	`PROXY_ENVIRONMENT_VARIABLE = 'proxy_env'`	#
`public`	`FORWARDED = 'HTTP_FORWARDED'`	#

Properties
`protected`	`string\|false`	`$proxyHeaderName = false` header name determines how to process header name determines how to process	#
`protected`	`string\|false`	`$proxyHeader = false` header data to process header data to process	#