<?php
include _XE_PATH_ . 'classes/security/phphtmlparser/src/htmlparser.inc';

class EmbedFilter
{
	var $whiteUrlXmlFile = './classes/security/conf/embedWhiteUrl.xml';
	var $whiteUrlCacheFile = './files/cache/embedfilter/embedWhiteUrl.php';
	var $whiteUrlList = array();
	var $whiteIframeUrlList = array();
	var $parser = NULL;
	var $mimeTypeList = array('application/andrew-inset'=>1, 'application/applixware'=>1, 'application/atom+xml'=>1, 'application/atomcat+xml'=>1, 'application/atomsvc+xml'=>1,
		'application/ccxml+xml'=>1, 'application/cdmi-capability'=>1, 'application/cdmi-container'=>1, 'application/cdmi-domain'=>1, 'application/cdmi-object'=>1,
		'application/cdmi-queue'=>1, 'application/cu-seeme'=>1, 'application/davmount+xml'=>1, 'application/docbook+xml'=>1, 'application/dssc+der'=>1, 'application/dssc+xml'=>1,
		'application/ecmascript'=>1, 'application/emma+xml'=>1, 'application/epub+zip'=>1, 'application/exi'=>1, 'application/font-tdpfr'=>1, 'application/gml+xml'=>1,
		'application/gpx+xml'=>1, 'application/gxf'=>1, 'application/hyperstudio'=>1, 'application/inkml+xml'=>1, 'application/inkml+xml'=>1, 'application/ipfix'=>1,
		'application/java-archive'=>1, 'application/java-serialized-object'=>1, 'application/java-vm'=>1, 'application/javascript'=>1, 'application/json'=>1,
		'application/jsonml+json'=>1, 'application/lost+xml'=>1, 'application/mac-binhex40'=>1, 'application/mac-compactpro'=>1, 'application/mads+xml'=>1,
		'application/marc'=>1, 'application/marcxml+xml'=>1, 'application/mathematica'=>1, 'application/mathematica'=>1, 'application/mathematica'=>1, 'application/mathml+xml'=>1,
		'application/mbox'=>1, 'application/mediaservercontrol+xml'=>1, 'application/metalink+xml'=>1, 'application/metalink4+xml'=>1, 'application/mets+xml'=>1,
		'application/mods+xml'=>1, 'application/mp21'=>1, 'application/mp4'=>1, 'application/msword'=>1, 'application/mxf'=>1, 'application/octet-stream'=>1,
		'application/octet-stream'=>1, 'application/octet-stream'=>1, 'application/octet-stream'=>1, 'application/octet-stream'=>1, 'application/octet-stream'=>1,
		'application/octet-stream'=>1, 'application/octet-stream'=>1, 'application/octet-stream'=>1, 'application/octet-stream'=>1, 'application/octet-stream'=>1,
		'application/octet-stream'=>1, 'application/oda'=>1, 'application/oebps-package+xml'=>1, 'application/ogg'=>1, 'application/omdoc+xml'=>1, 'application/onenote'=>1,
		'application/onenote'=>1, 'application/onenote'=>1, 'application/onenote'=>1, 'application/oxps'=>1, 'application/patch-ops-error+xml'=>1, 'application/pdf'=>1,
		'application/pgp-encrypted'=>1, 'application/pgp-signature'=>1, 'application/pgp-signature'=>1, 'application/pics-rules'=>1, 'application/pkcs10'=>1,
		'application/pkcs7-mime'=>1, 'application/pkcs7-mime'=>1, 'application/pkcs7-signature'=>1, 'application/pkcs8'=>1, 'application/pkix-attr-cert'=>1,
		'application/pkix-cert'=>1, 'application/pkix-crl'=>1, 'application/pkix-pkipath'=>1, 'application/pkixcmp'=>1, 'application/pls+xml'=>1,
		'application/postscript'=>1, 'application/postscript'=>1, 'application/postscript'=>1, 'application/prs.cww'=>1, 'application/pskc+xml'=>1,
		'application/rdf+xml'=>1, 'application/reginfo+xml'=>1, 'application/relax-ng-compact-syntax'=>1, 'application/resource-lists+xml'=>1,
		'application/resource-lists-diff+xml'=>1, 'application/rls-services+xml'=>1, 'application/rpki-ghostbusters'=>1, 'application/rpki-manifest'=>1,
		'application/rpki-roa'=>1, 'application/rsd+xml'=>1, 'application/rss+xml'=>1, 'application/rtf'=>1, 'application/sbml+xml'=>1, 'application/scvp-cv-request'=>1,
		'application/scvp-cv-response'=>1, 'application/scvp-vp-request'=>1, 'application/scvp-vp-response'=>1, 'application/sdp'=>1, 'application/set-payment-initiation'=>1,
		'application/set-registration-initiation'=>1, 'application/shf+xml'=>1, 'application/smil+xml'=>1, 'application/smil+xml'=>1, 'application/sparql-query'=>1,
		'application/sparql-results+xml'=>1, 'application/srgs'=>1, 'application/srgs+xml'=>1, 'application/sru+xml'=>1, 'application/ssdl+xml'=>1,
		'application/ssml+xml'=>1, 'application/tei+xml'=>1, 'application/tei+xml'=>1, 'application/thraud+xml'=>1, 'application/timestamped-data'=>1,
		'application/vnd.3gpp.pic-bw-large'=>1, 'application/vnd.3gpp.pic-bw-small'=>1, 'application/vnd.3gpp.pic-bw-var'=>1, 'application/vnd.3gpp2.tcap'=>1,
		'application/vnd.3m.post-it-notes'=>1, 'application/vnd.accpac.simply.aso'=>1, 'application/vnd.accpac.simply.imp'=>1, 'application/vnd.acucobol'=>1,
		'application/vnd.acucorp'=>1, 'application/vnd.acucorp'=>1, 'application/vnd.adobe.air-application-installer-package+zip'=>1, 'application/vnd.adobe.formscentral.fcdt'=>1,
		'application/vnd.adobe.fxp'=>1, 'application/vnd.adobe.fxp'=>1, 'application/vnd.adobe.xdp+xml'=>1, 'application/vnd.adobe.xfdf'=>1, 'application/vnd.ahead.space'=>1,
		'application/vnd.airzip.filesecure.azf'=>1, 'application/vnd.airzip.filesecure.azs'=>1, 'application/vnd.amazon.ebook'=>1, 'application/vnd.americandynamics.acc'=>1,
		'application/vnd.amiga.ami'=>1, 'application/vnd.android.package-archive'=>1, 'application/vnd.anser-web-certificate-issue-initiation'=>1,
		'application/vnd.anser-web-funds-transfer-initiation'=>1, 'application/vnd.antix.game-component'=>1, 'application/vnd.apple.installer+xml'=>1,
		'application/vnd.apple.mpegurl'=>1, 'application/vnd.aristanetworks.swi'=>1, 'application/vnd.astraea-software.iota'=>1, 'application/vnd.audiograph'=>1,
		'application/vnd.blueice.multipass'=>1, 'application/vnd.bmi'=>1, 'application/vnd.businessobjects'=>1, 'application/vnd.chemdraw+xml'=>1,
		'application/vnd.chipnuts.karaoke-mmd'=>1, 'application/vnd.cinderella'=>1, 'application/vnd.claymore'=>1, 'application/vnd.cloanto.rp9'=>1,
		'application/vnd.clonk.c4group'=>1, 'application/vnd.clonk.c4group'=>1, 'application/vnd.clonk.c4group'=>1, 'application/vnd.clonk.c4group'=>1,
		'application/vnd.clonk.c4group'=>1, 'application/vnd.cluetrust.cartomobile-config'=>1, 'application/vnd.cluetrust.cartomobile-config-pkg'=>1,
		'application/vnd.commonspace'=>1, 'application/vnd.contact.cmsg'=>1, 'application/vnd.cosmocaller'=>1, 'application/vnd.crick.clicker'=>1,
		'application/vnd.crick.clicker.keyboard'=>1, 'application/vnd.crick.clicker.palette'=>1, 'application/vnd.crick.clicker.template'=>1,
		'application/vnd.crick.clicker.wordbank'=>1, 'application/vnd.criticaltools.wbs+xml'=>1, 'application/vnd.ctc-posml'=>1, 'application/vnd.cups-ppd'=>1,
		'application/vnd.curl.car'=>1, 'application/vnd.curl.pcurl'=>1, 'application/vnd.dart'=>1, 'application/vnd.data-vision.rdz'=>1, 'application/vnd.dece.data'=>1,
		'application/vnd.dece.data'=>1, 'application/vnd.dece.data'=>1, 'application/vnd.dece.data'=>1, 'application/vnd.dece.ttml+xml'=>1, 'application/vnd.dece.ttml+xml'=>1,
		'application/vnd.dece.unspecified'=>1, 'application/vnd.dece.unspecified'=>1, 'application/vnd.dece.zip'=>1, 'application/vnd.dece.zip'=>1,
		'application/vnd.denovo.fcselayout-link'=>1, 'application/vnd.dna'=>1, 'application/vnd.dolby.mlp'=>1, 'application/vnd.dpgraph'=>1, 'application/vnd.dreamfactory'=>1,
		'application/vnd.ds-keypoint'=>1, 'application/vnd.dvb.ait'=>1, 'application/vnd.dvb.service'=>1, 'application/vnd.dynageo'=>1, 'application/vnd.ecowin.chart'=>1,
		'application/vnd.enliven'=>1, 'application/vnd.epson.esf'=>1, 'application/vnd.epson.msf'=>1, 'application/vnd.epson.quickanime'=>1, 'application/vnd.epson.salt'=>1,
		'application/vnd.epson.ssf'=>1, 'application/vnd.eszigno3+xml'=>1, 'application/vnd.eszigno3+xml'=>1, 'application/vnd.ezpix-album'=>1, 'application/vnd.ezpix-package'=>1,
		'application/vnd.fdf'=>1, 'application/vnd.fdsn.mseed'=>1, 'application/vnd.fdsn.seed'=>1, 'application/vnd.fdsn.seed'=>1, 'application/vnd.flographit'=>1,
		'application/vnd.fluxtime.clip'=>1, 'application/vnd.framemaker'=>1, 'application/vnd.framemaker'=>1, 'application/vnd.framemaker'=>1, 'application/vnd.framemaker'=>1,
		'application/vnd.frogans.fnc'=>1, 'application/vnd.frogans.ltf'=>1, 'application/vnd.fsc.weblaunch'=>1, 'application/vnd.fujitsu.oasys'=>1,
		'application/vnd.fujitsu.oasys2'=>1, 'application/vnd.fujitsu.oasys3'=>1, 'application/vnd.fujitsu.oasysgp'=>1, 'application/vnd.fujitsu.oasysprs'=>1,
		'application/vnd.fujixerox.ddd'=>1, 'application/vnd.fujixerox.docuworks'=>1, 'application/vnd.fujixerox.docuworks.binder'=>1, 'application/vnd.fuzzysheet'=>1,
		'application/vnd.genomatix.tuxedo'=>1, 'application/vnd.geogebra.file'=>1, 'application/vnd.geogebra.tool'=>1, 'application/vnd.geometry-explorer'=>1,
		'application/vnd.geometry-explorer'=>1, 'application/vnd.geonext'=>1, 'application/vnd.geoplan'=>1, 'application/vnd.geospace'=>1, 'application/vnd.gmx'=>1,
		'application/vnd.google-earth.kml+xml'=>1, 'application/vnd.google-earth.kmz'=>1, 'application/vnd.grafeq'=>1, 'application/vnd.grafeq'=>1,
		'application/vnd.groove-account'=>1, 'application/vnd.groove-help'=>1, 'application/vnd.groove-identity-message'=>1, 'application/vnd.groove-injector'=>1,
		'application/vnd.groove-tool-message'=>1, 'application/vnd.groove-tool-template'=>1, 'application/vnd.groove-vcard'=>1, 'application/vnd.hal+xml'=>1,
		'application/vnd.handheld-entertainment+xml'=>1, 'application/vnd.hbci'=>1, 'application/vnd.hhe.lesson-player'=>1, 'application/vnd.hp-hpgl'=>1,
		'application/vnd.hp-hpid'=>1, 'application/vnd.hp-hps'=>1, 'application/vnd.hp-jlyt'=>1, 'application/vnd.hp-pcl'=>1, 'application/vnd.hp-pclxl'=>1,
		'application/vnd.hydrostatix.sof-data'=>1, 'application/vnd.ibm.minipay'=>1, 'application/vnd.ibm.modcap'=>1, 'application/vnd.ibm.modcap'=>1, 'application/vnd.ibm.modcap'=>1,
		'application/vnd.ibm.rights-management'=>1, 'application/vnd.ibm.secure-container'=>1, 'application/vnd.iccprofile'=>1, 'application/vnd.iccprofile'=>1,
		'application/vnd.igloader'=>1, 'application/vnd.immervision-ivp'=>1, 'application/vnd.immervision-ivu'=>1, 'application/vnd.insors.igm'=>1, 'application/vnd.intercon.formnet'=>1,
		'application/vnd.intercon.formnet'=>1, 'application/vnd.intergeo'=>1, 'application/vnd.intu.qbo'=>1, 'application/vnd.intu.qfx'=>1, 'application/vnd.ipunplugged.rcprofile'=>1,
		'application/vnd.irepository.package+xml'=>1, 'application/vnd.is-xpr'=>1, 'application/vnd.isac.fcs'=>1, 'application/vnd.jam'=>1, 'application/vnd.jcp.javame.midlet-rms'=>1,
		'application/vnd.jisp'=>1, 'application/vnd.joost.joda-archive'=>1, 'application/vnd.kahootz'=>1, 'application/vnd.kahootz'=>1, 'application/vnd.kde.karbon'=>1,
		'application/vnd.kde.kchart'=>1, 'application/vnd.kde.kformula'=>1, 'application/vnd.kde.kivio'=>1, 'application/vnd.kde.kontour'=>1, 'application/vnd.kde.kpresenter'=>1,
		'application/vnd.kde.kpresenter'=>1, 'application/vnd.kde.kspread'=>1, 'application/vnd.kde.kword'=>1, 'application/vnd.kde.kword'=>1, 'application/vnd.kenameaapp'=>1,
		'application/vnd.kidspiration'=>1, 'application/vnd.kinar'=>1, 'application/vnd.kinar'=>1, 'application/vnd.koan'=>1, 'application/vnd.koan'=>1, 'application/vnd.koan'=>1,
		'application/vnd.koan'=>1, 'application/vnd.kodak-descriptor'=>1, 'application/vnd.las.las+xml'=>1, 'application/vnd.llamagraphics.life-balance.desktop'=>1,
		'application/vnd.llamagraphics.life-balance.exchange+xml'=>1, 'application/vnd.lotus-1-2-3'=>1, 'application/vnd.lotus-approach'=>1, 'application/vnd.lotus-freelance'=>1,
		'application/vnd.lotus-notes'=>1, 'application/vnd.lotus-organizer'=>1, 'application/vnd.lotus-screencam'=>1, 'application/vnd.lotus-wordpro'=>1,
		'application/vnd.macports.portpkg'=>1, 'application/vnd.mcd'=>1, 'application/vnd.medcalcdata'=>1, 'application/vnd.mediastation.cdkey'=>1, 'application/vnd.mfer'=>1,
		'application/vnd.mfmp'=>1, 'application/vnd.micrografx.flo'=>1, 'application/vnd.micrografx.igx'=>1, 'application/vnd.mif'=>1, 'application/vnd.mobius.daf'=>1,
		'application/vnd.mobius.dis'=>1, 'application/vnd.mobius.mbk'=>1, 'application/vnd.mobius.mqy'=>1, 'application/vnd.mobius.msl'=>1, 'application/vnd.mobius.plc'=>1,
		'application/vnd.mobius.txf'=>1, 'application/vnd.mophun.application'=>1, 'application/vnd.mophun.certificate'=>1, 'application/vnd.mozilla.xul+xml'=>1,
		'application/vnd.ms-artgalry'=>1, 'application/vnd.ms-cab-compressed'=>1, 'application/vnd.ms-excel'=>1, 'application/vnd.ms-excel'=>1, 'application/vnd.ms-excel'=>1,
		'application/vnd.ms-excel'=>1, 'application/vnd.ms-excel'=>1, 'application/vnd.ms-excel'=>1, 'application/vnd.ms-excel.addin.macroenabled.12'=>1,
		'application/vnd.ms-excel.sheet.binary.macroenabled.12'=>1, 'application/vnd.ms-excel.sheet.macroenabled.12'=>1, 'application/vnd.ms-excel.template.macroenabled.12'=>1,
		'application/vnd.ms-fontobject'=>1, 'application/vnd.ms-htmlhelp'=>1, 'application/vnd.ms-ims'=>1, 'application/vnd.ms-lrm'=>1, 'application/vnd.ms-officetheme'=>1,
		'application/vnd.ms-pki.seccat'=>1, 'application/vnd.ms-pki.stl'=>1, 'application/vnd.ms-powerpoint'=>1, 'application/vnd.ms-powerpoint'=>1,
		'application/vnd.ms-powerpoint'=>1, 'application/vnd.ms-powerpoint.addin.macroenabled.12'=>1, 'application/vnd.ms-powerpoint.presentation.macroenabled.12'=>1,
		'application/vnd.ms-powerpoint.slide.macroenabled.12'=>1, 'application/vnd.ms-powerpoint.slideshow.macroenabled.12'=>1,
		'application/vnd.ms-powerpoint.template.macroenabled.12'=>1, 'application/vnd.ms-project'=>1, 'application/vnd.ms-project'=>1,
		'application/vnd.ms-word.document.macroenabled.12'=>1, 'application/vnd.ms-word.template.macroenabled.12'=>1, 'application/vnd.ms-works'=>1,
		'application/vnd.ms-works'=>1, 'application/vnd.ms-works'=>1, 'application/vnd.ms-works'=>1, 'application/vnd.ms-wpl'=>1, 'application/vnd.ms-xpsdocument'=>1,
		'application/vnd.mseq'=>1, 'application/vnd.musician'=>1, 'application/vnd.muvee.style'=>1, 'application/vnd.mynfc'=>1, 'application/vnd.neurolanguage.nlu'=>1,
		'application/vnd.nitf'=>1, 'application/vnd.nitf'=>1, 'application/vnd.noblenet-directory'=>1, 'application/vnd.noblenet-sealer'=>1, 'application/vnd.noblenet-web'=>1,
		'application/vnd.nokia.n-gage.data'=>1, 'application/vnd.nokia.n-gage.symbian.install'=>1, 'application/vnd.nokia.radio-preset'=>1, 'application/vnd.nokia.radio-presets'=>1,
		'application/vnd.novadigm.edm'=>1, 'application/vnd.novadigm.edx'=>1, 'application/vnd.novadigm.ext'=>1, 'application/vnd.oasis.opendocument.chart'=>1,
		'application/vnd.oasis.opendocument.chart-template'=>1, 'application/vnd.oasis.opendocument.database'=>1, 'application/vnd.oasis.opendocument.formula'=>1,
		'application/vnd.oasis.opendocument.formula-template'=>1, 'application/vnd.oasis.opendocument.graphics'=>1, 'application/vnd.oasis.opendocument.graphics-template'=>1,
		'application/vnd.oasis.opendocument.image'=>1, 'application/vnd.oasis.opendocument.image-template'=>1, 'application/vnd.oasis.opendocument.presentation'=>1,
		'application/vnd.oasis.opendocument.presentation-template'=>1, 'application/vnd.oasis.opendocument.spreadsheet'=>1, 'application/vnd.oasis.opendocument.spreadsheet-template'=>1,
		'application/vnd.oasis.opendocument.text'=>1, 'application/vnd.oasis.opendocument.text-master'=>1, 'application/vnd.oasis.opendocument.text-template'=>1,
		'application/vnd.oasis.opendocument.text-web'=>1, 'application/vnd.olpc-sugar'=>1, 'application/vnd.oma.dd2+xml'=>1, 'application/vnd.openofficeorg.extension'=>1,
		'application/vnd.openxmlformats-officedocument.presentationml.presentation'=>1, 'application/vnd.openxmlformats-officedocument.presentationml.slide'=>1,
		'application/vnd.openxmlformats-officedocument.presentationml.slideshow'=>1, 'application/vnd.openxmlformats-officedocument.presentationml.template'=>1,
		'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'=>1, 'application/vnd.openxmlformats-officedocument.spreadsheetml.template'=>1,
		'application/vnd.openxmlformats-officedocument.wordprocessingml.document'=>1, 'application/vnd.openxmlformats-officedocument.wordprocessingml.template'=>1,
		'application/vnd.osgeo.mapguide.package'=>1, 'application/vnd.osgi.dp'=>1, 'application/vnd.osgi.subsystem'=>1, 'application/vnd.palm'=>1, 'application/vnd.palm'=>1,
		'application/vnd.palm'=>1, 'application/vnd.pawaafile'=>1, 'application/vnd.pg.format'=>1, 'application/vnd.pg.osasli'=>1, 'application/vnd.picsel'=>1, 'application/vnd.pmi.widget'=>1,
		'application/vnd.pocketlearn'=>1, 'application/vnd.powerbuilder6'=>1, 'application/vnd.previewsystems.box'=>1, 'application/vnd.proteus.magazine'=>1,
		'application/vnd.publishare-delta-tree'=>1, 'application/vnd.pvi.ptid1'=>1, 'application/vnd.quark.quarkxpress'=>1, 'application/vnd.quark.quarkxpress'=>1,
		'application/vnd.quark.quarkxpress'=>1, 'application/vnd.quark.quarkxpress'=>1, 'application/vnd.quark.quarkxpress'=>1, 'application/vnd.quark.quarkxpress'=>1,
		'application/vnd.realvnc.bed'=>1, 'application/vnd.recordare.musicxml'=>1, 'application/vnd.recordare.musicxml+xml'=>1, 'application/vnd.rig.cryptonote'=>1,
		'application/vnd.rim.cod'=>1, 'application/vnd.rn-realmedia'=>1, 'application/vnd.rn-realmedia-vbr'=>1, 'application/vnd.route66.link66+xml'=>1, 'application/vnd.sailingtracker.track'=>1,
		'application/vnd.seemail'=>1, 'application/vnd.sema'=>1, 'application/vnd.semd'=>1, 'application/vnd.semf'=>1, 'application/vnd.shana.informed.formdata'=>1,
		'application/vnd.shana.informed.formtemplate'=>1, 'application/vnd.shana.informed.interchange'=>1, 'application/vnd.shana.informed.package'=>1, 'application/vnd.simtech-mindmapper'=>1,
		'application/vnd.simtech-mindmapper'=>1, 'application/vnd.smaf'=>1, 'application/vnd.smart.teacher'=>1, 'application/vnd.solent.sdkm+xml'=>1, 'application/vnd.solent.sdkm+xml'=>1,
		'application/vnd.spotfire.dxp'=>1, 'application/vnd.spotfire.sfs'=>1, 'application/vnd.stardivision.calc'=>1, 'application/vnd.stardivision.draw'=>1,
		'application/vnd.stardivision.impress'=>1, 'application/vnd.stardivision.math'=>1, 'application/vnd.stardivision.writer'=>1, 'application/vnd.stardivision.writer'=>1,
		'application/vnd.stardivision.writer-global'=>1, 'application/vnd.stepmania.package'=>1, 'application/vnd.stepmania.stepchart'=>1, 'application/vnd.sun.xml.calc'=>1,
		'application/vnd.sun.xml.calc.template'=>1, 'application/vnd.sun.xml.draw'=>1, 'application/vnd.sun.xml.draw.template'=>1, 'application/vnd.sun.xml.impress'=>1,
		'application/vnd.sun.xml.impress.template'=>1, 'application/vnd.sun.xml.math'=>1, 'application/vnd.sun.xml.writer'=>1, 'application/vnd.sun.xml.writer.global'=>1,
		'application/vnd.sun.xml.writer.template'=>1, 'application/vnd.sus-calendar'=>1, 'application/vnd.sus-calendar'=>1, 'application/vnd.svd'=>1, 'application/vnd.symbian.install'=>1,
		'application/vnd.symbian.install'=>1, 'application/vnd.syncml+xml'=>1, 'application/vnd.syncml.dm+wbxml'=>1, 'application/vnd.syncml.dm+xml'=>1,
		'application/vnd.tao.intent-module-archive'=>1, 'application/vnd.tcpdump.pcap'=>1, 'application/vnd.tcpdump.pcap'=>1, 'application/vnd.tcpdump.pcap'=>1,
		'application/vnd.tmobile-livetv'=>1, 'application/vnd.trid.tpt'=>1, 'application/vnd.triscape.mxs'=>1, 'application/vnd.trueapp'=>1, 'application/vnd.ufdl'=>1, 'application/vnd.ufdl'=>1,
		'application/vnd.uiq.theme'=>1, 'application/vnd.umajin'=>1, 'application/vnd.unity'=>1, 'application/vnd.uoml+xml'=>1, 'application/vnd.vcx'=>1, 'application/vnd.visio'=>1,
		'application/vnd.visio'=>1, 'application/vnd.visio'=>1, 'application/vnd.visio'=>1, 'application/vnd.visionary'=>1, 'application/vnd.vsf'=>1, 'application/vnd.wap.wbxml'=>1,
		'application/vnd.wap.wmlc'=>1, 'application/vnd.wap.wmlscriptc'=>1, 'application/vnd.webturbo'=>1, 'application/vnd.wolfram.player'=>1, 'application/vnd.wordperfect'=>1,
		'application/vnd.wqd'=>1, 'application/vnd.wt.stf'=>1, 'application/vnd.xara'=>1, 'application/vnd.xfdl'=>1, 'application/vnd.yamaha.hv-dic'=>1, 'application/vnd.yamaha.hv-script'=>1,
		'application/vnd.yamaha.hv-voice'=>1, 'application/vnd.yamaha.openscoreformat'=>1, 'application/vnd.yamaha.openscoreformat.osfpvg+xml'=>1, 'application/vnd.yamaha.smaf-audio'=>1,
		'application/vnd.yamaha.smaf-phrase'=>1, 'application/vnd.yellowriver-custom-menu'=>1, 'application/vnd.zul'=>1, 'application/vnd.zul'=>1, 'application/vnd.zzazz.deck+xml'=>1,
		'application/voicexml+xml'=>1, 'application/widget'=>1, 'application/winhlp'=>1, 'application/wsdl+xml'=>1, 'application/wspolicy+xml'=>1, 'application/x-7z-compressed'=>1,
		'application/x-abiword'=>1, 'application/x-ace-compressed'=>1, 'application/x-apple-diskimage'=>1, 'application/x-authorware-bin'=>1, 'application/x-authorware-bin'=>1,
		'application/x-authorware-bin'=>1, 'application/x-authorware-bin'=>1, 'application/x-authorware-map'=>1, 'application/x-authorware-seg'=>1, 'application/x-bcpio'=>1,
		'application/x-bittorrent'=>1, 'application/x-blorb'=>1, 'application/x-blorb'=>1, 'application/x-bzip'=>1, 'application/x-bzip2'=>1, 'application/x-bzip2'=>1, 'application/x-cbr'=>1,
		'application/x-cbr'=>1, 'application/x-cbr'=>1, 'application/x-cbr'=>1, 'application/x-cbr'=>1, 'application/x-cdlink'=>1, 'application/x-cfs-compressed'=>1, 'application/x-chat'=>1,
		'application/x-chess-pgn'=>1, 'application/x-conference'=>1, 'application/x-cpio'=>1, 'application/x-csh'=>1, 'application/x-debian-package'=>1, 'application/x-debian-package'=>1,
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		'mp4a'=>1, 'mpga'=>1, 'mp2'=>1, 'mp2a'=>1, 'mp3'=>1, 'm2a'=>1, 'm3a'=>1, 'oga'=>1, 'ogg'=>1, 'spx'=>1, 's3m'=>1, 'sil'=>1, 'uva'=>1, 'uvva'=>1, 'eol'=>1, 'dra'=>1, 'dts'=>1, 'dtshd'=>1,
		'lvp'=>1, 'pya'=>1, 'ecelp4800'=>1, 'ecelp7470'=>1, 'ecelp9600'=>1, 'rip'=>1, 'weba'=>1, 'aac'=>1, 'aif'=>1, 'aiff'=>1, 'aifc'=>1, 'caf'=>1, 'flac'=>1, 'mka'=>1, 'm3u'=>1, 'wax'=>1,
		'wma'=>1, 'ram'=>1, 'ra'=>1, 'rmp'=>1, 'wav'=>1, 'xm'=>1, 'cdx'=>1, 'cif'=>1, 'cmdf'=>1, 'cml'=>1, 'csml'=>1, 'xyz'=>1, 'bmp'=>1, 'cgm'=>1, 'g3'=>1, 'gif'=>1, 'ief'=>1, 'jpeg'=>1,
		'jpg'=>1, 'jpe'=>1, 'ktx'=>1, 'png'=>1, 'btif'=>1, 'sgi'=>1, 'svg'=>1, 'svgz'=>1, 'tiff'=>1, 'tif'=>1, 'psd'=>1, 'uvi'=>1, 'uvvi'=>1, 'uvg'=>1, 'uvvg'=>1, 'sub'=>1, 'djvu'=>1, 'djv'=>1,
		'dwg'=>1, 'dxf'=>1, 'fbs'=>1, 'fpx'=>1, 'fst'=>1, 'mmr'=>1, 'rlc'=>1, 'mdi'=>1, 'wdp'=>1, 'npx'=>1, 'wbmp'=>1, 'xif'=>1, 'webp'=>1, '3ds'=>1, 'ras'=>1, 'cmx'=>1, 'fh'=>1, 'fhc'=>1,
		'fh4'=>1, 'fh5'=>1, 'fh7'=>1, 'ico'=>1, 'sid'=>1, 'pcx'=>1, 'pic'=>1, 'pct'=>1, 'pnm'=>1, 'pbm'=>1, 'pgm'=>1, 'ppm'=>1, 'rgb'=>1, 'tga'=>1, 'xbm'=>1, 'xpm'=>1, 'xwd'=>1, 'eml'=>1,
		'mime'=>1, 'igs'=>1, 'iges'=>1, 'msh'=>1, 'mesh'=>1, 'silo'=>1, 'dae'=>1, 'dwf'=>1, 'gdl'=>1, 'gtw'=>1, 'mts'=>1, 'vtu'=>1, 'wrl'=>1, 'vrml'=>1, 'x3db'=>1, 'x3dbz'=>1, 'x3dv'=>1,
		'x3dvz'=>1, 'x3d'=>1, 'x3dz'=>1, '3gp'=>1, '3g2'=>1, 'h261'=>1, 'h263'=>1, 'h264'=>1, 'jpgv'=>1, 'jpm'=>1, 'jpgm'=>1, 'mj2'=>1, 'mjp2'=>1, 'mp4'=>1, 'mp4v'=>1, 'mpg4'=>1, 'mpeg'=>1,
		'mpg'=>1, 'mpe'=>1, 'm1v'=>1, 'm2v'=>1, 'ogv'=>1, 'qt'=>1, 'mov'=>1, 'uvh'=>1, 'uvvh'=>1, 'uvm'=>1, 'uvvm'=>1, 'uvp'=>1, 'uvvp'=>1, 'uvs'=>1, 'uvvs'=>1, 'uvv'=>1, 'uvvv'=>1, 'dvb'=>1,
		'fvt'=>1, 'mxu'=>1, 'm4u'=>1, 'pyv'=>1, 'uvu'=>1, 'uvvu'=>1, 'viv'=>1, 'webm'=>1, 'f4v'=>1, 'fli'=>1, 'flv'=>1, 'm4v'=>1, 'mkv'=>1, 'mk3d'=>1, 'mks'=>1, 'mng'=>1, 'asf'=>1, 'asx'=>1,
		'vob'=>1, 'wm'=>1, 'wmv'=>1, 'wmx'=>1, 'wvx'=>1, 'avi'=>1, 'movie'=>1, 'smv'=>1, 'ice'=>1,
	);

	/**
	 * @constructor
	 * @return void
	 */
	function EmbedFilter()
	{
		$this->_makeWhiteDomainList();

		include FileHandler::getRealPath($this->whiteUrlCacheFile);
		$this->whiteUrlList = $whiteUrlList;
		$this->whiteIframeUrlList = $whiteIframeUrlList;
	}

	/**
	 * Return EmbedFilter object
	 * This method for singleton
	 * @return EmbedFilter
	 */
	function getInstance()
	{
		if(!isset($GLOBALS['__EMBEDFILTER_INSTANCE__']))
		{
			$GLOBALS['__EMBEDFILTER_INSTANCE__'] = new EmbedFilter();
		}
		return $GLOBALS['__EMBEDFILTER_INSTANCE__'];
	}

	/**
	 * Check the content.
	 * @return void
	 */
	function check(&$content)
	{
		$this->checkObjectTag($content);
		$this->checkEmbedTag($content);
		$this->checkIframeTag($content);
		$this->checkParamTag($content);
	}

	/**
	 * Check object tag in the content.
	 * @return void
	 */
	function checkObjectTag(&$content)
	{
		preg_match_all('/<\s*object\s*[^>]+(?:\/?>)/is', $content, $m);
		$objectTagList = $m[0];
		if($objectTagList)
		{
			foreach($objectTagList AS $key=>$objectTag)
			{
				$isWhiteDomain = true;
				$isWhiteMimetype = true;
				$isWhiteExt = true;
				$ext = '';

				$parser = new HtmlParser($objectTag);
				while($parser->parse())
				{
					if(is_array($parser->iNodeAttributes))
					{
						foreach($parser->iNodeAttributes AS $attrName=>$attrValue)
						{
							// data url check
							if($attrValue && strtolower($attrName) == 'data')
							{
								$ext = strtolower(substr(strrchr($attrValue,"."),1));
								$isWhiteDomain = $this->isWhiteDomain($attrValue);
							}

							// mime type check
							if(strtolower($attrName) == 'type' && $attrValue)
							{
								$isWhiteMimetype = $this->isWhiteMimetype($attrValue);
							}
						}
					}
				}

				if(!$isWhiteDomain && !$isWhiteMimetype && $ext)
				{
					$isWhiteExt = $this->isWhiteExt($ext);
				}

				if(!$isWhiteDomain && !$isWhiteMimetype && !$isWhiteExt)
				{
					$content = str_replace($objectTag, htmlspecialchars($objectTag), $content);
				}
			}
		}
	}

	/**
	 * Check embed tag in the content.
	 * @return void
	 */
	function checkEmbedTag(&$content)
	{
		preg_match_all('/<\s*embed\s*[^>]+(?:\/?>)/is', $content, $m);
		$embedTagList = $m[0];
		if($embedTagList)
		{
			foreach($embedTagList AS $key=>$embedTag)
			{
				$isWhiteDomain = true;
				$isWhiteMimetype = true;
				$isWhiteExt = true;
				$ext = '';

				$parser = new HtmlParser($embedTag);
				while($parser->parse())
				{
					if(is_array($parser->iNodeAttributes))
					{
						foreach($parser->iNodeAttributes AS $attrName=>$attrValue)
						{
							// src url check
							if($attrValue && strtolower($attrName) == 'src')
							{
								$ext = strtolower(substr(strrchr($attrValue,"."),1));
								$isWhiteDomain = $this->isWhiteDomain($attrValue);
							}

							// mime type check
							if(strtolower($attrName) == 'type' && $attrValue)
							{
								$isWhiteMimetype = $this->isWhiteMimetype($attrValue);
							}
						}
					}
				}

				if(!$isWhiteDomain && !$isWhiteMimetype && $ext)
				{
					$isWhiteExt = $this->isWhiteExt($ext);
				}

				if(!$isWhiteDomain && !$isWhiteMimetype && !$isWhiteExt)
				{
					$content = str_replace($embedTag, htmlspecialchars($embedTag), $content);
				}
			}
		}
	}

	/**
	 * Check iframe tag in the content.
	 * @return void
	 */
	function checkIframeTag(&$content)
	{
		preg_match_all('/<\s*iframe\s*[^>]+(?:\/?>)/is', $content, $m);
		$iframeTagList = $m[0];
		if($iframeTagList)
		{
			foreach($iframeTagList AS $key=>$iframeTag)
			{
				$isWhiteDomain = true;
				$ext = '';

				$parser = new HtmlParser($iframeTag);
				while($parser->parse())
				{
					if(is_array($parser->iNodeAttributes))
					{
						foreach($parser->iNodeAttributes AS $attrName=>$attrValue)
						{
							// src url check
							if(strtolower($attrName) == 'src' && $attrValue)
							{
								$ext = strtolower(substr(strrchr($attrValue,"."),1));
								$isWhiteDomain = $this->isWhiteIframeDomain($attrValue);
							}
						}
					}
				}

				if(!$isWhiteDomain)
				{
					$content = str_replace($iframeTag, htmlspecialchars($iframeTag), $content);
				}
			}
		}
	}

	/**
	 * Check param tag in the content.
	 * @return void
	 */
	function checkParamTag(&$content)
	{
		preg_match_all('/<\s*param\s*[^>]+(?:\/?>)/is', $content, $m);
		$paramTagList = $m[0];
		if($paramTagList)
		{
			foreach($paramTagList AS $key=>$paramTag)
			{
				$isWhiteDomain = true;
				$isWhiteExt = true;
				$ext = '';

				$parser = new HtmlParser($paramTag);
				while($parser->parse())
				{
					if($parser->iNodeAttributes['name'] && $parser->iNodeAttributes['value'])
					{
						$name = strtolower($parser->iNodeAttributes['name']);
						if($name == 'movie' || $name == 'src' || $name == 'href' || $name == 'url' || $name == 'source')
						{
							$ext = strtolower(substr(strrchr($parser->iNodeAttributes['value'],"."),1));
							$isWhiteDomain = $this->isWhiteDomain($parser->iNodeAttributes['value']);

							if(!$isWhiteDomain && $ext)
							{
								$isWhiteExt = $this->isWhiteExt($ext);
							}

							if(!$isWhiteDomain && !$isWhiteExt)
							{
								$content = str_replace($paramTag, htmlspecialchars($paramTag), $content);
							}
						}
					}
				}
			}
		}
	}

	/**
	 * Check white domain in object data attribute or embed src attribute.
	 * @return string
	 */
	function isWhiteDomain($urlAttribute)
	{
		if(is_array($this->whiteUrlList))
		{
			foreach($this->whiteUrlList AS $key=>$value)
			{
				if(preg_match('@^'.preg_quote($value).'@i', $urlAttribute))
				{
					return true;
				}
			}
		}
		return false;
	}

	/**
	 * Check white domain in iframe src attribute.
	 * @return string
	 */
	function isWhiteIframeDomain($urlAttribute)
	{
		if(is_array($this->whiteIframeUrlList))
		{
			foreach($this->whiteIframeUrlList AS $key=>$value)
			{
				if(preg_match('@^'.preg_quote($value).'@i', $urlAttribute))
				{
					return true;
				}
			}
		}
		return false;
	}

	/**
	 * Check white mime type in object type attribute or embed type attribute.
	 * @return string
	 */
	function isWhiteMimetype($mimeType)
	{
		if(isset($this->mimeTypeList[$mimeType]))
		{
			return true;
		}
		return false;
	}

	function isWhiteExt($ext)
	{
		if(isset($this->extList[$ext]))
		{
			return true;
		}
		return false;
	}

	/**
	 * Make white domain list cache file from xml config file.
	 * @return void
	 */
	function _makeWhiteDomainList()
	{
		$whiteUrlXmlFile = FileHandler::getRealPath($this->whiteUrlXmlFile);
		$whiteUrlCacheFile = FileHandler::getRealPath($this->whiteUrlCacheFile);

		$isMake = false;
		if(!file_exists($whiteUrlCacheFile))
		{
			$isMake = true;
		}
		if( file_exists($whiteUrlCacheFile) && filemtime($whiteUrlCacheFile)<filemtime($whiteUrlXmlFile) )
		{
			$isMake = true;
		}

		if($isMake)
		{
			$xmlBuff = FileHandler::readFile($this->whiteUrlXmlFile);

			$xmlParser = new XmlParser();
			$domainListObj = $xmlParser->parse($xmlBuff);
			$embedDomainList = $domainListObj->whiteurl->embed->domain;
			$iframeDomainList = $domainListObj->whiteurl->iframe->domain;

			$buff = '<?php if(!defined("__ZBXE__")) exit();';
			if(is_array($embedDomainList))
			{
				foreach($embedDomainList AS $key=>$value)
				{
					$patternList = $value->pattern;
					if(is_array($patternList))
					{
						foreach($patternList AS $key=>$value)
						{
							$buff .= sprintf('$whiteUrlList[] = \'%s\';', $value->body);
						}
					}
					else $buff .= sprintf('$whiteUrlList[] = \'%s\';', $patternList->body);
				}
			}

			if(is_array($iframeDomainList))
			{
				foreach($iframeDomainList AS $key=>$value)
				{
					$patternList = $value->pattern;
					if(is_array($patternList))
					{
						foreach($patternList AS $key=>$value)
						{
							$buff .= sprintf('$whiteIframeUrlList[] = \'%s\';', $value->body);
						}
					}
					else $buff .= sprintf('$whiteIframeUrlList[] = \'%s\';', $patternList->body);
				}
			}
			$buff .= '?>';
			FileHandler::writeFile($this->whiteUrlCacheFile, $buff);
		}
	}
}
/* End of file : EmbedFilter.class.php */
