api.cloudinary.com Coldfusion

<cffunction name="createLinkString" access="private" returntype="string" output="false" description="Rearrange parameters alphabetically and construct query string like name value pairs">
	<cfargument name="stParams" type="struct" required="true">		
	<cfset var preSignStr = ""> 
	<cfset var keys = listSort(structKeyList(arguments.stParams), "textnocase", "asc")>
	<cfset var i = 1>
	<cfset var key = "">
	<cfset var value = "">
	<cfloop from="1" to="#listLen(keys)#" index="i">
		<cfset key = listGetAt(keys, i)>
		<cfset value = arguments.stParams[key]>
		<cfif i EQ listLen(keys)>
			<cfset preSignStr &= key & "=" & value> 	
		<cfelse>
			<cfset preSignStr &= key & "=" & value & "&">	
		</cfif>
	</cfloop>
	<cfreturn preSignStr>
</cffunction>

<cffunction name="generateSignature" access="private" returntype="struct" output="false">
	<cfargument name="stParams" type="struct" required="true">
	<cfset var stSign = {}>
	<cfset arguments.stParams["timestamp"] = dateDiff("s", dateConvert("utc2Local", createDateTime(1970, 1, 1, 0, 0, 0)), now())>
	<cfset var linkStr = createLinkString(stParams)>
	<cfset stSign.signature = sign(linkStr)>
	<cfset stSign.timestamp = arguments.stParams["timestamp"]>
	<cfreturn stSign>
</cffunction>

<cffunction name="sign" access="private" returntype="string" output="false">
	<cfargument name="text" type="string" required="true">
	<cfset var preSignStr = arguments.text & "6inA6Bh4gPJBbM9vkNwFRjeGWEo">
	<cfreturn LCase(hash(preSignStr, "SHA"))>
</cffunction>

<cfset apiKey = "">
<cfset apiSecret = "">
<cfset cloudName = "">
<cfset localFilePath = "data:image/jpeg;base64,">

<cfset stParams2Sign = {}>
<cfset stPostBody = {}>
<cfset stPostResponse = {}>

<cfset stParams2Sign["public_id"] = 1>
<cfset stParams2Sign["folder"] = 'addons/dev'>
<cfset stParams2Sign["invalidate"] = true>
<cfset stSign = generateSignature(stParams2Sign)>

<cfset stPostBody["file"] = localFilePath>
<cfset stPostBody["public_id"] = 1>
<cfset stPostBody["folder"] = 'addons/dev'>
<cfset stPostBody["invalidate"] = true>
<cfset stPostBody["timestamp"] = stSign.timestamp>
<cfset stPostBody["signature"] = stSign.signature>
<cfset stPostBody["api_key"] = apiKey>

<cfset httpCallUrl = "https://api.cloudinary.com/v1_1/#cloudName#/auto/upload">

<cfset bodyData = StructNew()>
<cfset bodyData["CRLF"] = Chr(13) & Chr(10)>
<cfset bodyData["BODY"] = "">
<cfset bodyData["HEADERS"] = "">

<cfif StructIsEmpty(stPostBody)>
	<cfset bodyData["HEADERS"] &= "Authorization: Basic #ToBase64(apiKey & ":" & apiSecret)#" & bodyData["CRLF"]>
</cfif>

<cfset bodyData["HEADERS"] &= "Content-Type: application/x-www-form-urlencoded" & bodyData["CRLF"]>

<cfloop collection="#stPostBody#" item="key">
	<cfset bodyData["BODY"] &= "#key#=#URLEncodedFormat(stPostBody[key])#&">
</cfloop>

<cfset bodyData["BODY"] = Left(bodyData["BODY"], Len(bodyData["BODY"]) - 1)>

<cfhttp url="#httpCallUrl#" method="POST" result="result">
	<cfhttpparam type="header" name="Content-Type" value="application/x-www-form-urlencoded">
	<cfhttpparam type="header" name="Authorization" value="Basic #ToBase64(apiKey & ":" & apiSecret)#">
	<cfhttpparam type="body" value="#bodyData.BODY#">
</cfhttp>
	
	<cfdump var="#result#">
	<cfabort>