GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /usr/local/lsws/add-ons/webcachemgr/src/WPInstall.php
<?php

/** *********************************************
 * LiteSpeed Web Server Cache Manager
 *
 * @author LiteSpeed Technologies, Inc. (https://www.litespeedtech.com)
 * @copyright (c) 2018-2025
 * *******************************************
 */

namespace Lsc\Wp;

use Lsc\Wp\Panel\ControlPanel;
use Lsc\Wp\Context\Context;

class WPInstall
{

    /**
     * @var int
     */
    const ST_PLUGIN_ACTIVE = 1;

    /**
     * @var int
     */
    const ST_PLUGIN_INACTIVE = 2;

    /**
     * @var int
     */
    const ST_LSC_ADVCACHE_DEFINED = 4;

    /**
     * @var int
     */
    const ST_FLAGGED = 8;

    /**
     * @var int
     */
    const ST_ERR_SITEURL = 16;

    /**
     * @var int
     */
    const ST_ERR_DOCROOT = 32;

    /**
     * @var int
     */
    const ST_ERR_EXECMD = 64;

    /**
     * @var int
     */
    const ST_ERR_TIMEOUT = 128;

    /**
     * @var int
     */
    const ST_ERR_EXECMD_DB = 256;

    /**
     * @var int
     */
    const ST_ERR_WPCONFIG = 1024;

    /**
     * @var int
     */
    const ST_ERR_REMOVE = 2048;

    /**
     * @var string
     */
    const FLD_STATUS = 'status';

    /**
     * @var string
     */
    const FLD_DOCROOT = 'docroot';

    /**
     * @var string
     */
    const FLD_SERVERNAME = 'server_name';

    /**
     * @var string
     */
    const FLD_SITEURL = 'site_url';

    /**
     * @var string
     */
    const FLAG_FILE = '.litespeed_flag';

    /**
     * @var string
     */
    const FLAG_NEW_LSCWP = '.lscm_new_lscwp';

    /**
     * @var string
     */
    protected $path;

    /**
     * @var array
     */
    protected $data;

    /**
     * @var null|string
     */
    protected $phpBinary = null;

    /**
     * @var null|string
     */
    protected $suCmd = null;

    /**
     * @var null|array  Keys are 'user_id', 'user_name', 'group_id'
     */
    protected $ownerInfo = null;

    /**
     * @var bool
     */
    protected $changed = false;

    /**
     * @var bool
     */
    protected $refreshed = false;

    /**
     * @var null|string
     */
    protected $wpConfigFile = '';

    /**
     * @var int
     */
    protected $cmdStatus = 0;

    /**
     * @var string
     */
    protected $cmdMsg = '';

    /**
     *
     * @param string $path
     */
    public function __construct( $path )
    {
        $this->init($path);
    }

    /**
     *
     * @param string $path
     */
    protected function init( $path )
    {
        if ( ($realPath = realpath($path)) === false ) {
            $this->path = $path;
        }
        else {
            $this->path = $realPath;
        }

        $this->data = array(
            self::FLD_STATUS     => 0,
            self::FLD_DOCROOT    => null,
            self::FLD_SERVERNAME => null,
            self::FLD_SITEURL    => null
        );
    }

    /**
     *
     * @return string
     */
    public function __toString()
    {
        if ( $this->data[self::FLD_SITEURL] ) {
            $siteUrl = Util::tryIdnToUtf8($this->data[self::FLD_SITEURL]);
        }
        else {
            $siteUrl = '';
        }

        return sprintf(
            "%s (status=%d docroot=%s siteurl=%s)",
            $this->path,
            $this->data[self::FLD_STATUS],
            $this->data[self::FLD_DOCROOT],
            $siteUrl
        );
    }

    /**
     *
     * @return string|null
     */
    public function getDocRoot()
    {
        return $this->getData(self::FLD_DOCROOT);
    }

    /**
     *
     * @param string $docRoot
     *
     * @return bool
     */
    public function setDocRoot( $docRoot )
    {
        return $this->setData(self::FLD_DOCROOT, $docRoot);
    }

    /**
     *
     * @return string|null
     */
    public function getServerName()
    {
        return $this->getData(self::FLD_SERVERNAME);
    }

    /**
     *
     * @param string $serverName
     *
     * @return bool
     */
    public function setServerName( $serverName )
    {
        return $this->setData(
            self::FLD_SERVERNAME,
            Util::tryIdnToAscii((string)$serverName)
        );
    }

    /**
     * Note: Temporary function name until existing deprecated setSiteUrl()
     * function is removed.
     *
     * @param string $siteUrl
     *
     * @return bool
     */
    public function setSiteUrlDirect( $siteUrl )
    {
        return $this->setData(
            self::FLD_SITEURL,
            Util::tryIdnToAscii((string)$siteUrl)
        );
    }

    /**
     *
     * @param int $status
     *
     * @return bool
     */
    public function setStatus( $status )
    {
        return $this->setData(self::FLD_STATUS, $status);
    }

    /**
     *
     * @return int
     */
    public function getStatus()
    {
        return $this->getData(self::FLD_STATUS);
    }

    /**
     *
     * @param string $field
     *
     * @return mixed|null
     */
    public function getData( $field = '' )
    {
        if ( !$field ) {
            return $this->data;
        }

        if ( isset($this->data[$field]) ) {
            return $this->data[$field];
        }

        /**
         * Error out
         */
        return null;
    }

    /**
     *
     * @param string $field
     * @param mixed  $value
     *
     * @return bool
     */
    protected function setData( $field, $value )
    {
        if ( $this->data[$field] !== $value ) {
            $this->changed = true;
            $this->data[$field] = $value;

            return true;
        }

        return false;
    }

    /**
     * Calling from unserialized data.
     *
     * @param array $data
     */
    public function initData( array $data )
    {
        $this->data = $data;
    }

    /**
     *
     * @return string
     */
    public function getPath()
    {
        return $this->path;
    }

    /**
     *
     * @return bool
     */
    public function shouldRemove()
    {
        return (bool)(($this->getStatus() & self::ST_ERR_REMOVE));
    }

    /**
     *
     * @return bool
     */
    public function hasFlagFile()
    {
        return file_exists("$this->path/" . self::FLAG_FILE);
    }

    /**
     *
     * @return bool
     */
    public function hasNewLscwpFlagFile()
    {
        return file_exists("$this->path/" . self::FLAG_NEW_LSCWP);
    }

    /**
     *
     * @return bool
     *
     * @throws LSCMException  Thrown indirectly by Logger::uiError() call.
     * @throws LSCMException  Thrown indirectly by Logger::notice() call.
     * @throws LSCMException  Thrown indirectly by $this->addUserFlagFile()
     *     call.
     * @throws LSCMException  Thrown indirectly by Logger::uiError() call.
     * @throws LSCMException  Thrown indirectly by Logger::error() call.
     */
    public function hasValidPath()
    {
        if ( !is_dir($this->path) || !is_dir("$this->path/wp-admin") ) {
            $this->setStatusBit(self::ST_ERR_REMOVE);

            $msg = "$this->path - Could not be found and has been removed from "
                . 'Cache Manager list.';
            Logger::uiError($msg);
            Logger::notice($msg);

            return false;
        }

        if ( $this->getWpConfigFile() == null ) {
            $this->setStatusBit(self::ST_ERR_WPCONFIG);
            $this->addUserFlagFile(false);

            $msg = "$this->path - Could not find a valid wp-config.php file. "
                . 'Install has been flagged.';
            Logger::uiError($msg);
            Logger::error($msg);

            return false;
        }

        return true;
    }

    /**
     * Set the provided status bit.
     *
     * @param int $bit
     */
    public function setStatusBit( $bit )
    {
        $this->setStatus(($this->getStatus() | $bit));
    }

    /**
     * Unset the provided status bit.
     *
     * @param int $bit
     */
    public function unsetStatusBit( $bit )
    {
        $this->setStatus(($this->getStatus() & ~$bit ));
    }

    /**
     *
     * @deprecated 1.9.5  Deprecated to avoid confusion with $this->cmdStatus
     *     and $this->cmdMsg related functions. Use $this->setStatus() instead.
     *
     * @param int $newStatus
     */
    public function updateCommandStatus( $newStatus )
    {
        $this->setData(self::FLD_STATUS, $newStatus);
    }

    /**
     *
     * @return null|string
     */
    public function getWpConfigFile()
    {
        if ( $this->wpConfigFile === '' ) {
            $file = "$this->path/wp-config.php";

            if ( !file_exists($file) ) {
                /**
                 *  check parent dir
                 */
                $parentDir = dirname($this->path);
                $file = "$parentDir/wp-config.php";

                if ( !file_exists($file)
                        || file_exists("$parentDir/wp-settings.php") ) {

                    /**
                     * If wp-config moved up, in same dir should NOT have
                     * wp-settings
                     */
                    $file = null;
                }
            }

            $this->wpConfigFile = $file;
        }

        return $this->wpConfigFile;
    }

    /**
     * Takes a WordPress site URL and uses it to populate serverName, siteUrl,
     * and docRoot data. If a matching docRoot cannot be found using the
     * serverName, the installation will be flagged and an ST_ERR_DOCROOT status
     * set.
     *
     * @param string $url
     *
     * @return bool
     *
     * @throws LSCMException  Thrown indirectly by
     *     ControlPanel::getClassInstance() call.
     * @throws LSCMException  Thrown indirectly by
     *     ControlPanel::getClassInstance()->mapDocRoot() call.
     * @throws LSCMException  Thrown indirectly by $this->addUserFlagFile()
     *     call.
     * @throws LSCMException  Thrown indirectly by Logger::error() call.
     */
    public function populateDataFromUrl( $url )
    {
        /** @noinspection HttpUrlsUsage */
        $parseSafeUrl =
            (preg_match('#^https?://#', $url)) ? $url : "http://$url";

        $info = parse_url($parseSafeUrl);

        $serverName = Util::tryIdnToAscii((string)$info['host']);

        $this->setData(self::FLD_SERVERNAME, $serverName);

        $siteUrlTrim = $serverName;

        if ( isset($info['path']) ) {
            $siteUrlTrim .= $info['path'];
        }

        $this->setData(self::FLD_SITEURL, $siteUrlTrim);

        $docRoot = ControlPanel::getClassInstance()->mapDocRoot($serverName);
        $this->setData(self::FLD_DOCROOT, $docRoot);

        if ( $docRoot === null ) {
            $this->setStatus(self::ST_ERR_DOCROOT);
            $this->addUserFlagFile(false);

            $msg = "$this->path - Could not find matching document root for "
                . "WP siteurl/servername $serverName.";

            $this->setCmdStatusAndMsg(UserCommand::EXIT_ERROR, $msg);
            Logger::error($msg);
            return false;
        }

        return true;
    }

    /**
     * Deprecated 06/18/19. Renamed to populateDataFromUrl().
     *
     * @deprecated
     *
     * @param string $siteUrl
     *
     * @return bool
     *
     * @throws LSCMException  Thrown indirectly by $this->populateDataFromUrl()
     *     call.
     */
    public function setSiteUrl( $siteUrl )
    {
        return $this->populateDataFromUrl($siteUrl);
    }

    /**
     * Adds the flag file to an installation.
     *
     * @param bool $runningAsUser
     *
     * @return bool  True when install has a flag file created/already.
     *
     * @throws LSCMException  Thrown when unlink() call on preexisting flag file
     *     fails.
     * @throws LSCMException  Thrown indirectly by Context::getFlagFileContent()
     *     call.
     */
    public function addUserFlagFile( $runningAsUser = true )
    {
        $flagFile = "$this->path/" . self::FLAG_FILE;

        if ( file_exists($flagFile) ) {
            /** Do not trust existing flag file */
            if ( !unlink($flagFile) ) {
                throw new LSCMException(
                    'Failed to remove preexisting untrusted flag file.'
                );
            }
        }

        if ( !file_put_contents($flagFile, Context::getFlagFileContent()) ) {
            return false;
        }

        if ( !$runningAsUser ) {
            $ownerInfo = $this->getOwnerInfo();

            chown($flagFile, $ownerInfo['user_id']);
            chgrp($flagFile, $ownerInfo['group_id']);
        }

        $this->setStatusBit(self::ST_FLAGGED);
        return true;
    }

    /**
     *
     * @return bool
     */
    public function removeFlagFile()
    {
        $flagFile = "$this->path/" . self::FLAG_FILE;

        if ( file_exists($flagFile) ) {

            if ( !unlink($flagFile) ) {
                return false;
            }
        }

        $this->unsetStatusBit(self::ST_FLAGGED);
        return true;
    }

    /**
     * Add a flag file to indicate that a new LSCWP plugin was added to this
     * installation.
     *
     * This function should only be called by the installation owner to avoid
     * permission problems involving this file.
     *
     * @return bool
     */
    public function addNewLscwpFlagFile()
    {
        $file = "$this->path/" . self::FLAG_NEW_LSCWP;

        if ( !file_exists($file) ) {

            if ( !file_put_contents($file, '') ) {
                return false;
            }
        }

        return true;
    }

    /**
     * Remove "In Progress" flag file to indicate that a WPInstall action has
     * been completed.
     *
     * @return bool
     */
    public function removeNewLscwpFlagFile()
    {
        $file = "$this->path/" . self::FLAG_NEW_LSCWP;

        if ( file_exists($file) ) {

            if ( !unlink($file) ) {
                return false;
            }
        }

        return true;
    }

    /**
     *
     * @param bool $forced
     *
     * @return int
     *
     * @throws LSCMException  Thrown indirectly by UserCommand::issue() call.
     */
    public function refreshStatus( $forced = false )
    {
        if ( !$this->refreshed || $forced ) {
            UserCommand::issue(UserCommand::CMD_STATUS, $this);
            $this->refreshed = true;
        }

        return $this->getData(self::FLD_STATUS);
    }

    /**
     *
     * @param string $pluginDir
     *
     * @throws LSCMException  Thrown indirectly by Logger::debug() call.
     */
    public function removePluginFiles( $pluginDir )
    {
        if ( file_exists(dirname($pluginDir)) && file_exists($pluginDir) ) {
            exec("rm -rf $pluginDir");

            Logger::debug(
                "$this->path - Removed LSCache for WordPress plugin files from "
                    . 'plugins directory'
            );
        }
    }

    /**
     *
     * @return bool
     */
    public function isFlagBitSet()
    {
        if ( ($this->getStatus() & self::ST_FLAGGED) ) {
            return true;
        }

        return false;
    }

    /**
     *
     * @param null|int $status
     *
     * @return bool
     */
    public function hasFatalError( $status = null )
    {
        if ( $status === null ) {
            $status = $this->getData(self::FLD_STATUS);
        }

        $errMask = (
            self::ST_ERR_EXECMD
                | self::ST_ERR_EXECMD_DB
                | self::ST_ERR_TIMEOUT
                | self::ST_ERR_SITEURL
                | self::ST_ERR_DOCROOT
                | self::ST_ERR_WPCONFIG
        );

        return (($status & $errMask) > 0);
    }

    /**
     *
     * @return string
     *
     * @throws LSCMException  Thrown indirectly by
     *     ControlPanel::getClassInstance() call.
     * @throws LSCMException  Thrown indirectly by
     *     ControlPanel::getClassInstance()->getPhpBinary() call.
     */
    public function getPhpBinary()
    {
        if ( $this->phpBinary == null ) {
            $this->phpBinary =
                ControlPanel::getClassInstance()->getPhpBinary($this);
        }

        return $this->phpBinary;
    }

    /**
     * Returns requested owner info.
     *
     * @param string $field  Key ('user_id', 'user_name', or 'group_id') in the
     *     $ownerInfo array.
     *
     * @return array|int|string|null
     */
    public function getOwnerInfo( $field = '' )
    {
        if ( $this->ownerInfo == null ) {
            $this->ownerInfo = Util::populateOwnerInfo($this->path);
        }

        if ( $field == '' ) {
            return $this->ownerInfo;
        }
        elseif ( isset($this->ownerInfo[$field]) ) {
            return $this->ownerInfo[$field];
        }

        return null;
    }

    /**
     *
     * @return string
     */
    public function getSuCmd()
    {
        if ( $this->suCmd == null ) {
            $this->suCmd = "su {$this->getOwnerInfo('user_name')} -s /bin/bash";
        }

        return $this->suCmd;
    }

    /**
     *
     * @return int
     */
    public function getCmdStatus()
    {
        return $this->cmdStatus;
    }

    /**
     *
     * @return string
     */
    public function getCmdMsg()
    {
        return $this->cmdMsg;
    }

    public function setCmdStatusAndMsg( $status, $msg )
    {
        $this->cmdStatus = $status;
        $this->cmdMsg    = $msg;
    }

}

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