<cfsetting enablecfoutputonly="Yes">
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<!---
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net
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* Copyright (C) 2003-2009 Frederico Caldeira Knabben
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*
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* == BEGIN LICENSE ==
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*
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* Licensed under the terms of any of the following licenses at your
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* choice:
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*
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* - GNU General Public License Version 2 or later (the "GPL")
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* http://www.gnu.org/licenses/gpl.html
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*
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* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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* http://www.gnu.org/licenses/lgpl.html
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*
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* - Mozilla Public License Version 1.1 or later (the "MPL")
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* http://www.mozilla.org/MPL/MPL-1.1.html
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*
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* == END LICENSE ==
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*
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* This file include generic functions used by the ColdFusion Connector (MX 6.0 and above).
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--->
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<cffunction name="RemoveFromStart" output="false" returntype="String">
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<cfargument name="sourceString" type="String">
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<cfargument name="charToRemove" type="String">
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<cfif left(ARGUMENTS.sourceString, 1) eq ARGUMENTS.charToRemove>
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<cfreturn mid( ARGUMENTS.sourceString, 2, len(ARGUMENTS.sourceString) -1 )>
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</cfif>
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<cfreturn ARGUMENTS.sourceString>
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</cffunction>
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<cffunction name="RemoveFromEnd" output="false" returntype="String">
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<cfargument name="sourceString" type="String">
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<cfargument name="charToRemove" type="String">
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<cfif right(ARGUMENTS.sourceString, 1) eq ARGUMENTS.charToRemove>
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<cfreturn mid( ARGUMENTS.sourceString, 1, len(ARGUMENTS.sourceString) -1 )>
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</cfif>
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<cfreturn ARGUMENTS.sourceString>
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</cffunction>
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<!---
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Check file content.
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Currently this function validates only image files.
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Returns false if file is invalid.
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detectionLevel:
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0 = none
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1 = check image size for images,
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2 = use DetectHtml for images
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---->
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<cffunction name="IsImageValid" returntype="boolean" output="true">
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<cfargument name="filePath" required="true" type="String">
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<cfargument name="extension" required="true" type="String">
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<cfset var imageCFC = "">
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<cfset var imageInfo = "">
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<cfif not ListFindNoCase("gif,jpeg,jpg,png,swf,psd,bmp,iff,tiff,tif,swc,jpc,jp2,jpx,jb2,xmb,wbmp", ARGUMENTS.extension)>
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<cfreturn true>
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</cfif>
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<cftry>
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<cfif REQUEST.CFVersion gte 8>
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<cfset objImage = ImageRead(ARGUMENTS.filePath) >
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<cfset imageInfo = ImageInfo(objImage)>
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<!--- <cfimage action="info" source="#ARGUMENTS.filePath#" structName="imageInfo" /> --->
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<cfelse>
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<cfset imageCFC = createObject("component", "image")>
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<cfset imageInfo = imageCFC.getImageInfo("", ARGUMENTS.filePath)>
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</cfif>
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<cfif imageInfo.height lte 0 or imageInfo.width lte 0>
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<cfreturn false>
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</cfif>
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<cfcatch type="any">
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<cfreturn false>
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</cfcatch>
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</cftry>
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<cfreturn true>
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</cffunction>
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<!---
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Detect HTML in the first KB to prevent against potential security issue with
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IE/Safari/Opera file type auto detection bug.
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Returns true if file contain insecure HTML code at the beginning.
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--->
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<cffunction name="DetectHtml" output="false" returntype="boolean">
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<cfargument name="filePath" required="true" type="String">
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<cfset var tags = "<body,<head,<html,<img,<pre,<script,<table,<title">
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<cfset var chunk = lcase( Trim( BinaryFileRead( ARGUMENTS.filePath, 1024 ) ) )>
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<cfif not Len(chunk)>
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<cfreturn false>
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</cfif>
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<cfif refind('<!doctype\W*x?html', chunk)>
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<cfreturn true>
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</cfif>
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<cfloop index = "tag" list = "#tags#">
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<cfif find( tag, chunk )>
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<cfreturn true>
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</cfif>
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</cfloop>
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<!--- type = javascript --->
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<cfif refind('type\s*=\s*[''"]?\s*(?:\w*/)?(?:ecma|java)', chunk)>
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<cfreturn true>
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</cfif> >
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<!--- href = javascript --->
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<!--- src = javascript --->
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<!--- data = javascript --->
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<cfif refind('(?:href|src|data)\s*=\s*[\''"]?\s*(?:ecma|java)script:', chunk)>
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<cfreturn true>
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</cfif>
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<!--- url(javascript --->
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<cfif refind('url\s*\(\s*[\''"]?\s*(?:ecma|java)script:', chunk)>
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<cfreturn true>
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</cfif>
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<cfreturn false>
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</cffunction>
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