e8dbf5f80c
Add services and utilities for automatic creation of temporary user accounts on page save, in order to avoid exposing the user's IP address. * Add $wgAutoCreateTempUser, for configuring the system * Add TempUserConfig service, which interprets the config. * Add TempUserCreator service, which creates users during page save as requested by EditPage. With proxy methods to TempUserConfig for convenience. * Add table user_autocreate_serial. Table creation is necessary before the feature is enabled but is not necessary before deployment of this commit. Bug: T300263 Change-Id: Ib14a352490fc42039106523118e8d021844e3dfb
73 lines
1.7 KiB
PHP
73 lines
1.7 KiB
PHP
<?php
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namespace MediaWiki\User\TempUser;
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/**
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* Helper for TempUserConfig representing string patterns with "$1" indicating
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* variable substitution.
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*
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* @internal
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*/
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class Pattern {
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/** @var string */
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private $debugName;
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/** @var string */
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private $pattern;
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/** @var string */
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private $prefix;
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/** @var string */
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private $suffix;
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/**
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* @param string $debugName The name of the pattern, for use in error messages
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* @param string $pattern The pattern itself
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*/
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public function __construct( string $debugName, string $pattern ) {
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$this->debugName = $debugName;
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$this->pattern = $pattern;
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}
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/**
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* Does the pattern match the given name?
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* @param string $name
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* @return bool
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*/
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public function isMatch( string $name ) {
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$this->init();
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$match = true;
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if ( $this->prefix !== '' ) {
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$match = str_starts_with( $name, $this->prefix );
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}
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if ( $match && $this->suffix !== '' ) {
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$match = str_ends_with( $name, $this->suffix )
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&& strlen( $name ) >= strlen( $this->prefix ) + strlen( $this->suffix );
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}
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return $match;
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}
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/**
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* Substitute the serial number into the pattern.
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*
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* @param string $mappedSerial
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* @return string
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*/
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public function generate( $mappedSerial ) {
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$this->init();
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return $this->prefix . $mappedSerial . $this->suffix;
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}
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/**
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* Initialise the prefix and suffix
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*/
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private function init() {
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if ( $this->prefix === null ) {
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$varPos = strpos( $this->pattern, '$1' );
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if ( $varPos === false ) {
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throw new \MWException( __CLASS__ .
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"pattern {$this->debugName} must be of the form \"prefix \$1 suffix\"" );
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}
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$this->prefix = substr( $this->pattern, 0, $varPos );
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$this->suffix = substr( $this->pattern, $varPos + strlen( '$1' ) );
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}
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}
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}
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