From 2bad8b9db7487d43f27bcb4b5a323d2aea71345a Mon Sep 17 00:00:00 2001
From: Sebastian Karcher <karcher@u.northwestern.edu>
Date: Tue, 7 Nov 2017 16:07:34 -0500
Subject: [PATCH] ACM: Fix proxy behavior for bibtex and PDF (#1460)

Closes #1449
We grab URLs of the page, but they default to http version there, which
causes all sorts of havoc for https version with hyphenated
proxy. Solving this simply by deproxifying standard pattern.
---
 ACM Digital Library.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/ACM Digital Library.js b/ACM Digital Library.js
index b8fc76b81ea..d310805af34 100644
--- a/ACM Digital Library.js	
+++ b/ACM Digital Library.js	
@@ -9,7 +9,7 @@
 	"inRepository": true,
 	"translatorType": 4,
 	"browserSupport": "gcsibv",
-	"lastUpdated": "2017-01-26 12:12:58"
+	"lastUpdated": "2017-10-29 04:47:45"
 }
 
 /*
@@ -94,7 +94,8 @@ function scrape(doc) {
 
 	//compose bibtex URL
 	var bibtexstring = 'id=' + itemID + '&parent_id=' + parentID + '&expformat=bibtex';
-	var bibtexURL = url.replace(/citation\.cfm/, 'downformats.cfm')
+	var bibtexURL = url.replace(/dl[.-]acm[.-]org[^\/]*/, "dl.acm.org")  //deproxify the URL above.
+		.replace(/citation\.cfm/, 'downformats.cfm')
 		.replace(/([?&])id=[^&#]+/, '$1' + bibtexstring);
 	Zotero.debug('bibtex URL: ' + bibtexURL);
 	
@@ -106,8 +107,10 @@ function scrape(doc) {
 			//get the URL for the pdf fulltext from the metadata
 			var pdfURL = ZU.xpath(doc, '//meta[@name="citation_pdf_url"]/@content')[0];
 			if (pdfURL) {
+				pdfURL = pdfURL.textContent.replace(/dl[.-]acm[.-]org[^\/]*/, "dl.acm.org"); //deproxify URL
+				Z.debug("pdfURL: " + pdfURL);
 				item.attachments = [{
-					url: pdfURL.textContent,
+					url: pdfURL,
 					title: "ACM Full Text PDF",
 					mimeType: "application/pdf"
 				}];