From 09e8249db80ef3619cac02e41856aa77f0dc12aa Mon Sep 17 00:00:00 2001
From: Simon Kornblith <simon@simonster.com>
Date: Mon, 28 Jul 2008 11:11:12 +0000
Subject: [PATCH] closes #743, Support non-EZproxy proxies closes #831,
 transparent EZProxy support adds a proxy pane to the preferences asks before
 saving proxies to the DB (to avoid the potential phishing risk #831 would
 otherwise pose)

---
 chrome/content/zotero/browser.js              |   2 +-
 .../content/zotero/preferences/preferences.js |  84 ++-
 .../zotero/preferences/preferences.xul        |  41 +-
 .../content/zotero/preferences/proxyEditor.js | 137 +++++
 .../zotero/preferences/proxyEditor.xul        |  46 ++
 chrome/content/zotero/xpcom/ingester.js       | 179 ------
 chrome/content/zotero/xpcom/proxy.js          | 526 ++++++++++++++++++
 chrome/content/zotero/xpcom/schema.js         |   6 +
 chrome/content/zotero/xpcom/translate.js      |   6 +-
 chrome/content/zotero/xpcom/utilities.js      |   6 +-
 chrome/locale/en-US/zotero/preferences.dtd    |  18 +
 chrome/locale/en-US/zotero/zotero.properties  |  10 +
 chrome/skin/default/zotero/prefs-proxies.png  | Bin 0 -> 2212 bytes
 components/zotero-service.js                  |   2 +-
 defaults/preferences/zotero.js                |   6 +-
 userdata.sql                                  |  19 +-
 16 files changed, 893 insertions(+), 195 deletions(-)
 create mode 100644 chrome/content/zotero/preferences/proxyEditor.js
 create mode 100644 chrome/content/zotero/preferences/proxyEditor.xul
 create mode 100644 chrome/content/zotero/xpcom/proxy.js
 create mode 100644 chrome/skin/default/zotero/prefs-proxies.png

diff --git a/chrome/content/zotero/browser.js b/chrome/content/zotero/browser.js
index a4eca8d3c..c701e5cf3 100644
--- a/chrome/content/zotero/browser.js
+++ b/chrome/content/zotero/browser.js
@@ -103,7 +103,7 @@ var Zotero_Browser = new function() {
 		
 		Zotero_Browser.browserData = new Object();
 		Zotero_Browser._scrapePopupShowing = false;
-		Zotero.Ingester.ProxyMonitor.init();
+		Zotero.Proxies.init();
 		Zotero.Ingester.MIMEHandler.init();
 		Zotero.Cite.MIMEHandler.init();
 		Zotero.Translate.init();
diff --git a/chrome/content/zotero/preferences/preferences.js b/chrome/content/zotero/preferences/preferences.js
index 4cc05895b..b8f92d18f 100644
--- a/chrome/content/zotero/preferences/preferences.js
+++ b/chrome/content/zotero/preferences/preferences.js
@@ -22,6 +22,7 @@
 
 var openURLServerField;
 var openURLVersionMenu;
+var proxies;
 
 function init()
 {
@@ -32,6 +33,7 @@ function init()
 	}
 	
 	refreshStylesList();
+	refreshProxyList();
 	populateQuickCopyList();
 	updateQuickCopyInstructions();
 	initSearchPane();
@@ -930,8 +932,6 @@ function refreshStylesList(cslID) {
 	var styleData = Zotero.DB.query(sql);
 	if (!styleData) return;
 	
-	Zotero.debug("ASKED FOR "+cslID);
-	
 	var selectIndex = false;
 	for (var i=0; i<styleData.length; i++) {
 		var treeitem = document.createElement('treeitem');
@@ -949,7 +949,6 @@ function refreshStylesList(cslID) {
 		if(styleData[i].cslID.length < Zotero.ENConverter.uriPrefix.length ||
 				styleData[i].cslID.substr(0, Zotero.ENConverter.uriPrefix.length) != Zotero.ENConverter.uriPrefix) {
 			cslCell.setAttribute('src', 'chrome://zotero/skin/tick.png');
-			Zotero.debug("ISCSL");
 		}
 		
 		treerow.appendChild(titleCell);
@@ -1029,12 +1028,13 @@ function addStyle() {
  **/
 function deleteStyle() {
 	var tree = document.getElementById('styleManager');
+	if(tree.currentIndex == -1) return;
 	var treeitem = tree.lastChild.childNodes[tree.currentIndex];
-	Zotero.debug(treeitem.getAttribute('id'));
 	var cslID = treeitem.getAttribute('id').substr(11);
 	
 	Zotero.Cite.deleteStyle(cslID);
 	this.refreshStylesList();
+	document.getElementById('styleManager-delete').disabled = true;
 }
 
 /**
@@ -1042,4 +1042,80 @@ function deleteStyle() {
  **/
 function styleImportError() {
 	alert(Zotero.getString('styles.installError', "This"));
+}
+
+/**
+ * Adds a proxy to the proxy pane
+ */
+function showProxyEditor(index) {
+	if(index == -1) return;
+	window.openDialog('chrome://zotero/content/preferences/proxyEditor.xul',
+		"zotero-preferences-proxyEditor", "chrome, modal", index !== undefined ? proxies[index] : null);
+	refreshProxyList();
+}
+
+/**
+ * Deletes the currently selected proxy
+ */
+function deleteProxy() {
+	if(document.getElementById('proxyTree').currentIndex == -1) return;
+	proxies[document.getElementById('proxyTree').currentIndex].erase();
+	refreshProxyList();
+	document.getElementById('proxyTree-delete').disabled = true;
+}
+
+/**
+ * Refreshes the proxy pane
+ */
+function refreshProxyList() {
+	// get and sort proxies
+	proxies = Zotero.Proxies.get();
+	proxies = proxies.sort(function(a, b) {
+		if(a.multiHost) {
+			if(b.multiHost) {
+				if(a.hosts[0] < b.hosts[0]) {
+					return -1;
+				} else {
+					return 1;
+				}
+			} else {
+				return -1;
+			}
+		} else if(b.multiHost) {
+			return 1;
+		}
+		
+		if(a.scheme < b.scheme) {
+			return -1;
+		} else if(b.scheme > a.scheme) {
+			return 1;
+		}
+		
+		return 0;
+	});
+	
+	// erase old children
+	var treechildren = document.getElementById('proxyTree-rows');
+	while (treechildren.hasChildNodes()) {
+		treechildren.removeChild(treechildren.firstChild);
+	}
+	
+	// add proxies to list
+	for (var i=0; i<proxies.length; i++) {
+		var treeitem = document.createElement('treeitem');
+		var treerow = document.createElement('treerow');
+		var hostnameCell = document.createElement('treecell');
+		var schemeCell = document.createElement('treecell');
+		
+		hostnameCell.setAttribute('label', proxies[i].multiHost ? Zotero.getString("proxies.multiSite") : proxies[i].hosts[0]);
+		schemeCell.setAttribute('label', proxies[i].scheme);
+		
+		treerow.appendChild(hostnameCell);
+		treerow.appendChild(schemeCell);
+		treeitem.appendChild(treerow);
+		treechildren.appendChild(treeitem);
+	}
+	
+	document.getElementById('proxyTree').currentIndex = -1;
+	document.getElementById('proxyTree-delete').disabled = true;
 }
\ No newline at end of file
diff --git a/chrome/content/zotero/preferences/preferences.xul b/chrome/content/zotero/preferences/preferences.xul
index 2ab5ac030..7a50df876 100644
--- a/chrome/content/zotero/preferences/preferences.xul
+++ b/chrome/content/zotero/preferences/preferences.xul
@@ -334,6 +334,7 @@ To add a new preference:
 			<caption label="&zotero.preferences.styles.styleManager;"/>
 			
 			<tree flex="1" id="styleManager" hidecolumnpicker="true" rows="6"
+					onselect="document.getElementById('styleManager-delete').disabled = undefined"
 					onkeypress="if (event.keyCode == event.DOM_VK_DELETE) { deleteSelectedStyle(); }">
 				<treecols>
 					<treecol id="styleManager-title" label="&zotero.preferences.styles.styleManager.title;" flex="3"/>
@@ -344,7 +345,7 @@ To add a new preference:
 			</tree>
 			<separator class="thin"/>
 			<hbox pack="end">
-				<button label="-" onclick="deleteStyle()"/>
+				<button disabled="true" id="styleManager-delete" label="-" onclick="deleteStyle()"/>
 				<button label="+" onclick="addStyle()"/>
 			</hbox>
 			<separator/>
@@ -353,6 +354,44 @@ To add a new preference:
 	</prefpane>
 	
 	
+	<prefpane id="zotero-prefpane-proxies"
+						label="&zotero.preferences.prefpane.proxies;"
+						image="chrome://zotero/skin/prefs-proxies.png">
+		<preferences>
+			<preference id="pref-proxies-autoRecognize" name="extensions.zotero.proxies.autoRecognize" type="bool"/>
+			<preference id="pref-proxies-transparent" name="extensions.zotero.proxies.transparent" type="bool"/>
+		</preferences>
+		
+		<groupbox>
+			<caption label="&zotero.preferences.proxies.proxyOptions;"/>
+			
+			<checkbox id="zotero-proxies-autoRecognize" label="&zotero.preferences.proxies.autoRecognize;"
+				preference="pref-proxies-autoRecognize" oncommand="Zotero.Proxies.init()"/>
+			<checkbox id="zotero-proxies-transparent" label="&zotero.preferences.proxies.transparent;"
+				preference="pref-proxies-transparent" oncommand="Zotero.Proxies.init()"/>
+		</groupbox>
+		
+		<groupbox flex="1">
+			<caption label="&zotero.preferences.proxies.configured;"/>
+			
+			<tree flex="1" id="proxyTree" hidecolumnpicker="true" rows="6" seltype="single"
+					ondblclick="showProxyEditor(this.currentIndex)" onselect="document.getElementById('proxyTree-delete').disabled = undefined"
+					onkeypress="if (event.keyCode == event.DOM_VK_DELETE) { deleteProxy(); }">
+				<treecols>
+					<treecol id="proxyTree-hostname" label="&zotero.preferences.proxies.hostname;" flex="1"/>
+					<treecol id="proxyTree-scheme" label="&zotero.preferences.proxies.scheme;" flex="3"/>
+				</treecols>
+				<treechildren id="proxyTree-rows"/>
+			</tree>
+			<separator class="thin"/>
+			<hbox pack="end">
+				<button disabled="true" id="proxyTree-delete" label="-" onclick="deleteProxy()"/>
+				<button label="+" onclick="showProxyEditor()"/>
+			</hbox>
+		</groupbox>
+	</prefpane>
+	
+	
 	<prefpane id="zotero-prefpane-keys"
 						label="&zotero.preferences.prefpane.keys;"
 						image="chrome://zotero/skin/prefs-keys.png">
diff --git a/chrome/content/zotero/preferences/proxyEditor.js b/chrome/content/zotero/preferences/proxyEditor.js
new file mode 100644
index 000000000..9bed4fae0
--- /dev/null
+++ b/chrome/content/zotero/preferences/proxyEditor.js
@@ -0,0 +1,137 @@
+/*
+    ***** BEGIN LICENSE BLOCK *****
+    
+    Copyright (c) 2006  Center for History and New Media
+                        George Mason University, Fairfax, Virginia, USA
+                        http://chnm.gmu.edu
+    
+    Licensed under the Educational Community License, Version 1.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    
+    http://www.opensource.org/licenses/ecl1.php
+    
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+    
+    ***** END LICENSE BLOCK *****
+*/
+
+Zotero_ProxyEditor = new function() {
+	var treechildren;
+	var tree;
+	var treecol;
+	var multiSite;
+	
+	/**
+	 * Called when this window is first opened. Sets values if necessary
+	 */
+	this.load = function() {
+		treechildren = document.getElementById("zotero-proxies-hostname-multiSite-tree-children");
+		tree = document.getElementById("zotero-proxies-hostname-multiSite-tree");
+		multiSite = document.getElementById("zotero-proxies-multiSite");
+		
+		if(window.arguments && window.arguments[0]) {
+			var proxy = window.arguments[0];
+			document.getElementById("zotero-proxies-scheme").value = proxy.scheme;
+			document.getElementById("zotero-proxies-multiSite").checked = !!proxy.multiHost;
+			if(proxy.hosts) {
+				if(proxy.multiHost) {
+					this.multiSiteChanged();
+					for (var i=0; i<proxy.hosts.length; i++) {
+						_addTreeElement(proxy.hosts[i]);
+					}
+					document.getElementById("zotero-proxies-autoAssociate").checked = proxy.autoAssociate;
+				} else {
+					document.getElementById("zotero-proxies-hostname-text").value = proxy.hosts[0];
+				}
+			}
+		}
+		
+		window.sizeToContent();
+	}
+	
+	/**
+	 * Called when a user checks/unchecks the Multi-Site checkbox. Shows or hides multi-site
+	 * hostname specification box as necessary.
+	 */
+	this.multiSiteChanged = function() {
+		document.getElementById("zotero-proxies-hostname-multiSite").hidden = !multiSite.checked;
+		document.getElementById("zotero-proxies-hostname-multiSite-description").hidden = !multiSite.checked;
+		document.getElementById("zotero-proxies-hostname").hidden = multiSite.checked;
+		window.sizeToContent();
+	}
+	
+	/**
+	 * Called when a row is selected
+	 */
+	this.select = function() {
+		document.getElementById("zotero-proxies-delete").disabled = tree.selectedIndex == -1;
+	}
+	
+	/**
+	 * Adds a host when in multi-host mode
+	 */
+	this.addHost = function() {
+		_addTreeElement();
+		tree.startEditing(treechildren.childNodes.length-1, tree.columns.getFirstColumn());
+	}
+	
+	/**
+	 * Deletes a host when in multi-host mode
+	 */
+	this.deleteHost = function() {
+		if(tree.currentIndex == -1) return;
+		treechildren.removeChild(treechildren.childNodes[tree.currentIndex]);
+		document.getElementById("zotero-proxies-delete").disabled = true;
+	}
+	
+	/**
+	 * Called when the user clicks "OK." Updates proxy for Zotero.Proxy.
+	 */
+	this.accept = function() {
+		var proxy = window.arguments && window.arguments[0] ? window.arguments[0] : new Zotero.Proxy();
+		
+		proxy.scheme = document.getElementById("zotero-proxies-scheme").value;
+		proxy.multiHost = multiSite.checked;
+		if(proxy.multiHost) {
+			proxy.hosts = [];
+			var treecol = tree.columns.getFirstColumn();
+			for(var i=0; i<tree.view.rowCount; i++) {
+				var host = tree.view.getCellText(i, treecol);
+				if(host) proxy.hosts.push(host);
+			}
+			proxy.autoAssociate = document.getElementById("zotero-proxies-autoAssociate").checked;
+		} else {
+			proxy.hosts = [document.getElementById("zotero-proxies-hostname-text").value];
+		}
+		
+		var hasErrors = proxy.validate();
+		if(hasErrors) {
+			Components.interfaces.nsIPromptService.getService().alert(window,
+				Zotero.getString("proxies.error"), Zotero.getString("proxies.error."+hasErrors));
+			if(window.arguments && window.arguments[0]) proxy.revert();
+			return false;
+		}
+		proxy.save();
+		return true;
+	}
+	
+	/**
+	 * Adds an element to the tree
+	 */
+	function _addTreeElement(label) {
+		var treeitem = document.createElement('treeitem');
+		var treerow = document.createElement('treerow');
+		var treecell = document.createElement('treecell');
+		
+		if(label) treecell.setAttribute('label', label);
+		
+		treerow.appendChild(treecell);
+		treeitem.appendChild(treerow);
+		treechildren.appendChild(treeitem);
+	}
+}
\ No newline at end of file
diff --git a/chrome/content/zotero/preferences/proxyEditor.xul b/chrome/content/zotero/preferences/proxyEditor.xul
new file mode 100644
index 000000000..51d700755
--- /dev/null
+++ b/chrome/content/zotero/preferences/proxyEditor.xul
@@ -0,0 +1,46 @@
+<?xml version="1.0"?>
+<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
+<?xml-stylesheet href="chrome://zotero/skin/preferences.css"?>
+
+<!DOCTYPE window SYSTEM "chrome://zotero/locale/preferences.dtd">
+<dialog xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+	title="" buttons="cancel,accept"
+	id="zotero-proxyEditor"
+	onload="Zotero_ProxyEditor.load();"
+	ondialogaccept="return Zotero_ProxyEditor.accept();">
+	
+	<script src="chrome://zotero/content/include.js"/>
+	<script src="proxyEditor.js"/>
+
+	<checkbox id="zotero-proxies-multiSite" label="&zotero.preferences.proxies.multiSite;"
+		oncommand="Zotero_ProxyEditor.multiSiteChanged()"/>
+	<separator class="thin"/>
+	<vbox id="zotero-proxies-hostname-multiSite" hidden="true">
+		<checkbox id="zotero-proxies-autoAssociate" label="&zotero.preferences.proxies.autoAssociate;"/>
+		<tree flex="1" id="zotero-proxies-hostname-multiSite-tree" hidecolumnpicker="true" editable="true" rows="6"
+				onkeypress="if (event.keyCode == event.DOM_VK_DELETE) { Zotero_ProxyEditor.remove(); }"
+				onselect="Zotero_ProxyEditor.select();">
+			<treecols>
+				<treecol label="&zotero.preferences.proxies.hostname;" id="zotero-proxies-hostname-multiSite-tree-col" flex="1"/>
+			</treecols>
+			<treechildren id="zotero-proxies-hostname-multiSite-tree-children"/>
+		</tree>
+		<hbox pack="end">
+			<button id="zotero-proxies-delete" label="-" onclick="Zotero_ProxyEditor.deleteHost()" disabled="true"/>
+			<button id="zotero-proxies-add" label="+" onclick="Zotero_ProxyEditor.addHost()"/>
+		</hbox>
+	</vbox>
+	<vbox id="zotero-proxies-hostname">
+		<label value="&zotero.preferences.proxies.hostname;:" control="zotero-proxies-hostname-text"/>
+		<textbox id="zotero-proxies-hostname-text"/>
+	</vbox>
+	<separator class="thin"/>
+	<label value="&zotero.preferences.proxies.scheme;:" control="zotero-proxies-scheme"/>
+	<textbox id="zotero-proxies-scheme"/>
+	<label value="&zotero.preferences.proxies.variables;"/>
+	<label value="&zotero.preferences.proxies.h_variable;" id="zotero-proxies-hostname-multiSite-description" hidden="true"/>
+	<label value="&zotero.preferences.proxies.p_variable;"/>
+	<label value="&zotero.preferences.proxies.d_variable;"/>
+	<label value="&zotero.preferences.proxies.f_variable;"/>
+	<label value="&zotero.preferences.proxies.a_variable;"/>
+</dialog>
diff --git a/chrome/content/zotero/xpcom/ingester.js b/chrome/content/zotero/xpcom/ingester.js
index 0abe14562..5840c8069 100644
--- a/chrome/content/zotero/xpcom/ingester.js
+++ b/chrome/content/zotero/xpcom/ingester.js
@@ -26,185 +26,6 @@
 
 Zotero.Ingester = new Object();
 
-/////////////////////////////////////////////////////////////////
-//
-// Zotero.Ingester.ProxyMonitor
-//
-/////////////////////////////////////////////////////////////////
-
-// A singleton for recognizing EZProxies and converting URLs such that databases
-// will work from outside them. Unfortunately, this only works with the ($495)
-// EZProxy software. If there are open source alternatives, we should support
-// them too.
-
-/*
- * Precompile proxy regexps
- */
-Zotero.Ingester.ProxyMonitor = new function() {
-	var _ezProxyRe = /\?(?:.+&)?(url|qurl)=([^&]+)/i;
-	var _juniperProxyRe = /^(https?:\/\/[^\/:]+(?:\:[0-9]+)?)\/(.*)?,DanaInfo=([^+,]*)([^+]*)(?:\+(.*))?$/;
-	var _pathRe = /([^?]*\/)([^?\/]*)(\?(.*))?$/
-	/*var _hostRe = new RegExp();
-	_hostRe.compile("^https?://(([^/:]+)(?:\:([0-9]+))?)");*/
-	var ioService = Components.classes["@mozilla.org/network/io-service;1"]
-							  .getService(Components.interfaces.nsIIOService);
-	var on = false;
-	var _mapFromEZProxy = null;
-	var _mapToJuniperProxy = null;
-	var _mapToEZProxy = null;
-	
-	this.init = init;
-	this.proxyToProper = proxyToProper;
-	this.properToProxy = properToProxy;
-	this.observe = observe;
-	
-	function init() {
-		if(!on) {
-			var observerService = Components.classes["@mozilla.org/observer-service;1"]
-										.getService(Components.interfaces.nsIObserverService);
-			observerService.addObserver(this, "http-on-examine-response", false);
-		}
-		on = true;
-	}
-	
-	function observe(channel) {
-		channel.QueryInterface(Components.interfaces.nsIHttpChannel);
-		try {
-			// remove content-disposition headers for endnote, etc.
-			var contentType = channel.getResponseHeader("Content-Type").toLowerCase();
-			for each(var desiredContentType in Zotero.Ingester.MIMEHandler.URIContentListener.desiredContentTypes) {
-				if(contentType.length < desiredContentType.length) {
-					break;
-				} else {
-					if(contentType.substr(0, desiredContentType.length) == desiredContentType) {
-						channel.setResponseHeader("Content-Disposition", "", false);
-						break;
-					}
-				}
-			}
-		} catch(e) {}
-		
-		try {
-			// find ezproxies
-			if(channel.getResponseHeader("Server") == "EZproxy") {
-				// We're connected to an EZproxy
-				if(channel.responseStatus != "302") {
-					return;
-				}
-				
-				// We should be able to scrape the URL out of this
-				var m = _ezProxyRe.exec(channel.URI.spec);
-				if(!m) {
-					return;
-				}
-				
-				// Found URL
-				var variable = m[1];
-				var properURL = m[2];
-				if(variable.toLowerCase() == "qurl") {
-					properURL = unescape(properURL);
-				}
-				var properURI = _parseURL(properURL);
-				if(!properURI) {
-					return;
-				}
-				
-				// Get the new URL
-				var newURL = channel.getResponseHeader("Location");
-				if(!newURL) {
-					return;
-				}
-				var newURI = _parseURL(newURL);
-				if(!newURI) {
-					return;
-				}
-				
-				if((channel.URI.host == newURI.host && channel.URI.port != newURI.port) ||
-				   (newURI.host != channel.URI.host &&
-				    newURI.hostPort.substr(newURI.hostPort.length-channel.URI.hostPort.length) == channel.URI.hostPort)) {
-					// Different ports but the same server means EZproxy active
-					
-					Zotero.debug("EZProxy: host "+newURI.hostPort+" is really "+properURI.hostPort);
-					// Initialize variables here so people who never use EZProxies
-					// don't get the (very very minor) speed hit
-					if(!_mapFromEZProxy) {
-						_mapFromEZProxy = new Object();
-						_mapToEZProxy = new Object();
-					}
-					_mapFromEZProxy[newURI.hostPort] = properURI.hostPort;
-					_mapToEZProxy[properURI.hostPort] = newURI.hostPort;
-				}
-			}
-		} catch(e) {}
-	}
-	
-	/*
-	 * Returns a page's proper url, adjusting for proxying
-	 */
-	function proxyToProper(url) {
-		var m = _juniperProxyRe.exec(url);
-		if(m) {
-			url = "http://"+m[3]+"/"+m[2]+m[5];
-			
-			if(!_mapToJuniperProxy) _mapToJuniperProxy = new Object();
-			_mapToJuniperProxy[m[3]] = {prePath:m[1], additionalInfo:m[4], danaInfoBeforeFile:(m[2].substr(m[2].length-1) == "/")};
-			
-			Zotero.debug("Juniper Proxy: proper url is "+url);
-		} else if(_mapFromEZProxy) {
-			// EZProxy detection is active
-			
-			var uri = _parseURL(url);
-			if(uri && _mapFromEZProxy[uri.hostPort]) {
-				url = url.replace(uri.hostPort, _mapFromEZProxy[uri.hostPort]);
-				Zotero.debug("EZProxy: proper url is "+url);
-			}
-		}
-		
-		return url;
-	}
-	
-	/*
-	 * Returns a page's proxied url from the proper url
-	 */
-	function properToProxy(url) {
-		if(_mapToJuniperProxy || _mapToEZProxy) {
-			// Proxy detection is active
-			var uri = _parseURL(url);
-			
-			if(uri) {
-				if(_mapToEZProxy && _mapToEZProxy[uri.hostPort]) {
-					// Actually need to map
-					url = url.replace(uri.hostPort, _mapToEZProxy[uri.hostPort]);
-					Zotero.debug("EZProxy: proxied url is "+url);
-				} else if(_mapToJuniperProxy && _mapToJuniperProxy[uri.hostPort]) {
-					var m = _pathRe.exec(uri.path);
-					
-					if(_mapToJuniperProxy[uri.hostPort].danaInfoBeforeFile) {
-						url = _mapToJuniperProxy[uri.hostPort].prePath+m[1]+",DanaInfo="+uri.hostPort+_mapToJuniperProxy[uri.hostPort].additionalInfo+"+";
-						if(m[2]) url += m[2];
-					} else {
-						url = _mapToJuniperProxy[uri.hostPort].prePath+m[1]+m[2]+",DanaInfo="+uri.hostPort+_mapToJuniperProxy[uri.hostPort].additionalInfo+"+";
-					}
-					if(m[3]) url += m[3];
-					Zotero.debug("Juniper Proxy: proxied url is "+url);
-				}
-			}
-		}
-		
-		return url;
-	}
-	
-	/*
-	 * Parses a url into components (hostPort, port, host, and spec)
-	 */
-	function _parseURL(url) {
-		// create an nsIURI (not sure if this is faster than the regular
-		// expression, but it's at least more kosher)
-		var uri = ioService.newURI(url, null, null);
-		return uri;
-	}
-}
-
 Zotero.OpenURL = new function() {
 	this.resolve = resolve;
 	this.discoverResolvers = discoverResolvers;
diff --git a/chrome/content/zotero/xpcom/proxy.js b/chrome/content/zotero/xpcom/proxy.js
new file mode 100644
index 000000000..ad82ad901
--- /dev/null
+++ b/chrome/content/zotero/xpcom/proxy.js
@@ -0,0 +1,526 @@
+/*
+    ***** BEGIN LICENSE BLOCK *****
+    
+    Copyright (c) 2006  Center for History and New Media
+                        George Mason University, Fairfax, Virginia, USA
+                        http://chnm.gmu.edu
+    
+    Licensed under the Educational Community License, Version 1.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    
+    http://www.opensource.org/licenses/ecl1.php
+    
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+    
+	
+	Utilities based in part on code taken from Piggy Bank 2.1.1 (BSD-licensed)
+	
+	
+    ***** END LICENSE BLOCK *****
+*/
+
+/**
+ * A singleton to handle URL rewriting proxies
+ */
+Zotero.Proxies = new function() {
+	var on = false;
+	var proxies = false;
+	var hosts;
+	var ioService = Components.classes["@mozilla.org/network/io-service;1"]
+							  .getService(Components.interfaces.nsIIOService);
+	var autoRecognize = false;
+	var transparent = false;
+	
+	this.init = function() {
+		if(!on) {
+			var observerService = Components.classes["@mozilla.org/observer-service;1"]
+										.getService(Components.interfaces.nsIObserverService);
+			observerService.addObserver(this, "http-on-examine-response", false);
+			this.get();
+		}
+		on = true;
+		
+		autoRecognize = Zotero.Prefs.get("proxies.autoRecognize");
+		transparent = Zotero.Prefs.get("proxies.transparent");
+	}
+	
+	/**
+	 * Observe method to capture page loads
+	 */
+	this.observe = function(channel) {
+		channel.QueryInterface(Components.interfaces.nsIHttpChannel);
+		try {
+			// remove content-disposition headers for endnote, etc.
+			var contentType = channel.getResponseHeader("Content-Type").toLowerCase();
+			for each(var desiredContentType in Zotero.Ingester.MIMEHandler.URIContentListener.desiredContentTypes) {
+				if(contentType.length < desiredContentType.length) {
+					break;
+				} else {
+					if(contentType.substr(0, desiredContentType.length) == desiredContentType) {
+						channel.setResponseHeader("Content-Disposition", "", false);
+						break;
+					}
+				}
+			}
+		} catch(e) {}
+		
+		// try to detect a proxy
+		channel.QueryInterface(Components.interfaces.nsIRequest);
+		if(channel.loadFlags & Components.interfaces.nsIHttpChannel.LOAD_DOCUMENT_URI) {
+			channel.QueryInterface(Components.interfaces.nsIHttpChannel);
+			var url = channel.URI.spec;
+
+			// see if there is a proxy we already know
+			var proxy;
+			for each(proxy in proxies) {
+				if(proxy.regexp && proxy.autoAssociate) {
+					var m = proxy.regexp.exec(url);
+					if(m) break;
+				}
+			}
+			
+			if(m) {
+				// add this host if we know a proxy
+				var host = m[proxy.parameters.indexOf("%h")+1];
+				if(proxy.hosts.indexOf(host) == -1) {
+					proxy.hosts.push(host);
+					proxy.save();
+				}
+			} else if(autoRecognize) {
+				// otherwise, try to detect a proxy
+				var proxy = false;
+				for each(var detector in Zotero.Proxies.Detectors) {
+					try {
+						proxy = detector(channel);
+					} catch(e) {
+						Components.utils.reportError(e);
+					}
+					
+					if(proxy) {
+						var checkState = {value:false};
+						var ps = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
+							.getService(Components.interfaces.nsIPromptService);
+						var window = Components.classes["@mozilla.org/appshell/window-mediator;1"]
+							.getService(Components.interfaces.nsIWindowMediator)
+							.getMostRecentWindow("navigator:browser");
+						
+						var button = ps.confirmEx(window,
+							Zotero.getString("proxies.recognized"),
+							Zotero.getString("proxies.recognized.message"),
+							((proxies.length ? 0 : ps.BUTTON_DELAY_ENABLE) + ps.BUTTON_POS_0 * ps.BUTTON_TITLE_OK +
+            				 ps.BUTTON_POS_1 * ps.BUTTON_TITLE_CANCEL + ps.BUTTON_POS_1_DEFAULT),
+            				null, null, null, Zotero.getString("proxies.recognized.disable"), checkState);
+						
+						if(button == 0) proxy.save();
+						if(checkState.value) {
+							autoRecognize = false;
+							Zotero.Prefs.set("proxies.autoRecognize", false);
+						}
+						
+						break;
+					}
+				}
+			}
+			
+			// try to get an applicable proxy
+			if(transparent) {
+				var webNav = null;
+				try {
+					webNav = channel.notificationCallbacks.QueryInterface(Components.interfaces.nsIWebNavigation);
+				} catch(e) {}
+				
+				if(webNav) {
+					var proxied = this.properToProxy(url, true);
+					if(proxied) webNav.loadURI(proxied, 0, channel.URI, null, null);
+				}
+			}
+		}
+		
+		delete channel;
+	}
+	
+	/**
+	 * Gets all proxy objects
+	 */
+	this.get = function() {
+		if(!proxies) {
+			var rows = Zotero.DB.query("SELECT * FROM proxies");
+			proxies = [new Zotero.Proxy(row) for each(row in rows)];
+			this.refreshHostMap();
+		}
+		return proxies;
+	}
+	
+	/**
+	 * Removes a proxy object from the list of proxy objects
+	 */
+	this.remove = function(proxy) {
+		var index = proxies.indexOf(proxy);
+		if(index == -1) return false;
+		proxies.splice(index, 1);
+		this.refreshHostMap();
+		return true;
+	}
+	
+	/**
+	 * Saves a proxy object not previously in the proxy list
+	 */
+	this.save = function(proxy) {
+		proxies.push(proxy);
+		for each(var host in proxy.hosts) {
+			if(!hosts[host]) {
+				hosts[host] = proxy;
+			}
+		}
+		return proxy;
+	}
+	
+	/**
+	 * Refreshes host map; necessary when proxies are added, changed, or deleted
+	 */
+	this.refreshHostMap = function() {
+		hosts = {};
+		for each(var proxy in proxies) {
+			for each(var host in proxy.hosts) {
+				if(!hosts[host]) {
+					hosts[host] = proxy;
+				}
+			}
+		}
+	}
+	
+	/**
+	 * Returns a page's proper url, adjusting for proxying
+	 */
+	this.proxyToProper = function(url, onlyReturnIfProxied) {
+		for each(var proxy in proxies) {
+			if(proxy.regexp) {
+				var m = proxy.regexp.exec(url);
+				if(m) {
+					var toProper = proxy.toProper(m);
+					Zotero.debug("Zotero.Proxies.proxyToProper: "+url+" to "+toProper);
+					return toProper;
+				}
+			}
+		}
+		return (onlyReturnIfProxied ? false : url);
+	}
+	
+	/**
+	 * Returns a page's proxied url from the proper url
+	 */
+	this.properToProxy = function(url, onlyReturnIfProxied) {
+		var uri = ioService.newURI(url, null, null);
+		if(hosts[uri.hostPort]) {
+			var toProxy = hosts[uri.hostPort].toProxy(uri);
+			Zotero.debug("Zotero.Proxies.properToProxy: "+url+" to "+toProxy);
+			return toProxy;
+		}
+		return (onlyReturnIfProxied ? false : url);
+	}
+}
+
+/**
+ * A class to handle individual proxy servers
+ * 
+ * @constructor
+ */
+Zotero.Proxy = function(row) {
+	if(row) {
+		this._loadFromRow(row);
+	} else {
+		this.hosts = [];
+		this.multiHost = false;
+	}
+}
+
+const Zotero_Proxy_schemeParameters = {
+	"%p":"(.*?)",	// path
+	"%d":"(.*?)",	// directory
+	"%f":"(.*?)",	// filename
+	"%a":"(.*?)"	// filename
+};
+const Zotero_Proxy_schemeParameterRegexps = {
+	"%p":/([^%])%p/,
+	"%d":/([^%])%d/,
+	"%f":/([^%])%f/,
+	"%h":/([^%])%h/,
+	"%a":/([^%])%a/
+}
+/**
+ * Compiles the regular expression against which we match URLs for this proxy
+ */
+Zotero.Proxy.prototype.compileRegexp = function() {
+	const metaRe = /[-[\]{}()*+?.\\^$|,#\s]/g;
+	
+	// take host only if flagged as multiHost
+	var parametersToCheck = Zotero_Proxy_schemeParameters;
+	if(this.multiHost) parametersToCheck["%h"] = "([a-zA-Z0-9]+\\.[a-zA-Z0-9\.]+)";
+	
+	indices = this.indices = {};
+	this.parameters = [];
+	for(var param in parametersToCheck) {
+		var index = this.scheme.indexOf(param);
+		
+		// avoid escaped matches
+		while(this.scheme[index-1] == "%") {
+			this.scheme = this.scheme.substr(0, index-1)+this.scheme.substr(index);
+			index = this.scheme.indexOf(param, index+1);
+		}
+		
+		if(index != -1) {
+			this.indices[param] = index;
+			this.parameters.push(param);
+		}
+	}
+	
+	// sort params by index
+	this.parameters = this.parameters.sort(function(a, b) {
+		return indices[a]-indices[b];
+	})
+	
+	// now replace with regexp fragment in reverse order
+	var re = "^"+this.scheme.replace(metaRe, "\\$&")+"$";
+	for(var i=this.parameters.length-1; i>=0; i--) {
+		var param = this.parameters[i];
+		re = re.replace(Zotero_Proxy_schemeParameterRegexps[param], "$1"+parametersToCheck[param]);
+	}
+	
+	this.regexp = new RegExp(re);
+}
+
+/**
+ * Ensures that the proxy scheme and host settings are valid for this proxy type
+ */
+Zotero.Proxy.prototype.validate = function() {
+	if(this.scheme.length < 8 || (this.scheme.substr(0, 7) != "http://" && this.scheme.substr(0, 8) != "https://")) {
+		return "scheme.noHTTP";
+	}
+	
+	if(!this.multiSite && (!this.hosts.length || !this.hosts[0])) {
+		return "host.invalid";
+	} else if(this.multiSite && !Zotero_Proxy_schemeParameterRegexps["%h"].test(this.scheme)) {
+		return "scheme.noHost";
+	}
+	
+	if(!Zotero_Proxy_schemeParameterRegexps["%p"].test(this.scheme) && 
+			(!Zotero_Proxy_schemeParameterRegexps["%d"].test(this.scheme) ||
+			!Zotero_Proxy_schemeParameterRegexps["%f"].test(this.scheme))) {
+		return "scheme.noPath";
+	}
+	
+	return false;
+}
+
+/**
+ * Saves any changes to this proxy
+ */
+Zotero.Proxy.prototype.save = function() {
+	// ensure this proxy is valid
+	Zotero.debug(this);
+	var hasErrors = this.validate();
+	if(hasErrors) throw "Proxy could not be saved because it is invalid: error "+hasErrors;
+	
+	this.autoAssociate = this.multiHost && this.autoAssociate;
+	this.compileRegexp();
+	if(this.proxyID) {
+		Zotero.Proxies.refreshHostMap();
+	} else {
+		Zotero.Proxies.save(this);
+	}
+	
+	try {
+		Zotero.DB.beginTransaction();
+		
+		if(this.proxyID) {
+			Zotero.DB.query("UPDATE proxies SET multiHost = ?, autoAssociate = ?, scheme = ? WHERE proxyID = ?",
+				[this.multiHost ? 1 : 0, this.autoAssociate ? 1 : 0, this.scheme, this.proxyID]);
+			Zotero.DB.query("DELETE FROM proxyHosts WHERE proxyID = ?", [this.proxyID]);
+		} else {
+			this.proxyID = Zotero.DB.query("INSERT INTO proxies (multiHost, autoAssociate, scheme) VALUES (?, ?, ?)",
+				[this.multiHost ? 1 : 0, this.autoAssociate ? 1 : 0, this.scheme])
+		}
+		
+		this.hosts = this.hosts.sort();
+		var host;
+		for(var i in this.hosts) {
+			host = this.hosts[i] = this.hosts[i].toLowerCase();
+			Zotero.DB.query("INSERT INTO proxyHosts (proxyID, hostname) VALUES (?, ?)",
+				[this.proxyID, host]);
+		}
+		
+		Zotero.DB.commitTransaction();
+	} catch(e) {
+		Zotero.DB.rollbackTransaction();
+		throw(e);
+	}
+}
+
+/**
+ * Reverts to the previously saved version of this proxy
+ */
+Zotero.Proxy.prototype.revert = function() {
+	if(!this.proxyID) throw "Cannot revert an unsaved proxy";
+	this._loadFromRow(Zotero.DB.rowQuery("SELECT * FROM proxies WHERE proxyID = ?", [this.proxyID]));
+}
+
+/**
+ * Deletes this proxy
+ */
+Zotero.Proxy.prototype.erase = function() {
+	if(!this.proxyID) throw "Tried to erase an unsaved proxy";
+	Zotero.Proxies.remove(this);
+	
+	try {
+		Zotero.DB.beginTransaction();
+		Zotero.DB.query("DELETE FROM proxies WHERE proxyID = ?", [this.proxyID]);
+		Zotero.DB.query("DELETE FROM proxyHosts WHERE proxyID = ?", [this.proxyID]);
+		Zotero.DB.commitTransaction();
+	} catch(e) {
+		Zotero.DB.rollbackTransaction();
+		throw(e);
+	}
+}
+
+/**
+ * Converts a proxied URL to an unproxied URL using this proxy
+ *
+ * @param m {Array} The match from running this proxy's regexp against a URL spec
+ */
+Zotero.Proxy.prototype.toProper = function(m) {
+	if(this.multiHost) {
+		properURL = "http://"+m[this.parameters.indexOf("%h")+1]+"/";
+	} else {
+		properURL = "http://"+this.hosts[0]+"/";
+	}
+	
+	if(this.indices["%p"]) {
+		properURL += m[this.parameters.indexOf("%p")+1];
+	} else {
+		var dir = m[this.parameters.indexOf("%d")+1];
+		var file = m[this.parameters.indexOf("%f")+1];
+		if(dir !== "") properURL += dir+"/";
+		properURL += file;
+	}
+	
+	return properURL;
+}
+
+/**
+ * Converts an unproxied URL to a proxied URL using this proxy
+ *
+ * @param {nsIURI} uri The nsIURI corresponding to the unproxied URL
+ */
+Zotero.Proxy.prototype.toProxy = function(uri) {
+	proxyURL = this.scheme;
+	
+	for(var i=this.parameters.length-1; i>=0; i--) {
+		var param = this.parameters[i];
+		var value = "";
+		if(param == "%h") {
+			value = uri.hostPort;
+		} else if(param == "%p") {
+			value = uri.path.substr(1);
+		} else if(param == "%d") {
+			value = uri.path.substr(0, uri.path.lastIndexOf("/"));
+		} else if(param == "%f") {
+			value = uri.path.substr(uri.path.lastIndexOf("/")+1)
+		}
+		
+		proxyURL = proxyURL.substr(0, this.indices[param])+value+proxyURL.substr(this.indices[param]+2);
+	}
+	
+	return proxyURL;
+}
+
+/**
+ * Loads a proxy object from a DB row
+ */
+Zotero.Proxy.prototype._loadFromRow = function(row) {
+	this.proxyID = row.proxyID;
+	this.multiHost = !!row.multiHost;
+	this.autoAssociate = !!row.autoAssociate;
+	this.scheme = row.scheme;
+	this.hosts = Zotero.DB.columnQuery("SELECT hostname FROM proxyHosts WHERE proxyID = ? ORDER BY hostname", row.proxyID);
+	this.compileRegexp();
+}
+
+Zotero.Proxies.Detectors = new Object();
+
+/**
+ * Detector for OCLC EZProxy
+ */
+Zotero.Proxies.Detectors.EZProxy = function(channel) {
+	const ezProxyRe = /\?(?:.+&)?(url|qurl)=([^&]+)/i;
+	try {
+		if(channel.getResponseHeader("Server") != "EZproxy" || channel.responseStatus != "302") {
+			return false;
+		}
+	} catch(e) {
+		return false
+	}
+
+	// We should be able to scrape the URL out of this
+	var m = ezProxyRe.exec(channel.URI.spec);
+	if(!m) return false;
+	
+	var ioService = Components.classes["@mozilla.org/network/io-service;1"]
+							  .getService(Components.interfaces.nsIIOService);
+	
+	// Found URL
+	var properURL = m[2];
+	if(m[1].toLowerCase() == "qurl") properURL = unescape(properURL);
+	var properURI = ioService.newURI(properURL, null, null);
+	if(!properURI) return false;
+	
+	// Get the new URL
+	var newURL = channel.getResponseHeader("Location");
+	if(!newURL) return false;
+	
+	// Ignore if we already know about it
+	if(Zotero.Proxies.proxyToProper(newURL, true)) return false;
+	
+	// parse into nsIURI
+	var newURI = ioService.newURI(newURL, null, null);
+	if(!newURI) return false;
+	
+	if(channel.URI.host == newURI.host && channel.URI.port != newURI.port) {
+		// Old style per-port
+		var proxy = new Zotero.Proxy();
+		proxy.multiHost = false;
+		proxy.scheme = newURI.scheme+"://"+newURI.hostPort+"/%p";
+		proxy.hosts = [properURI.hostPort];
+	} else if(newURI.host != channel.URI.host) {
+		// New style rewriting
+		var proxy = new Zotero.Proxy();
+		proxy.multiHost = proxy.autoAssociate = true;
+		proxy.scheme = newURI.scheme+"://"+newURI.hostPort.replace(properURI.host, "%h")+"/%p";
+		proxy.hosts = [properURI.hostPort];
+	}
+	return proxy;
+}
+
+/**
+ * Detector for Juniper Networks WebVPN
+ */
+Zotero.Proxies.Detectors.Juniper = function(channel) {
+	const juniperRe = /^(https?:\/\/[^\/:]+(?:\:[0-9]+)?)\/(.*),DanaInfo=([^+,]*)([^+]*)(?:\+(.*))?$/;
+	try {
+		var url = channel.URI.spec;
+		var m = juniperRe.exec(url);
+	} catch(e) {
+		return false;
+	}
+	if(!m) return false;
+	
+	var proxy = new Zotero.Proxy();
+	proxy.multiHost = true;
+	proxy.scheme = m[1]+"/%d"+",DanaInfo=%h%a+%f";
+	proxy.hosts = [m[3]];
+	return proxy;
+}
\ No newline at end of file
diff --git a/chrome/content/zotero/xpcom/schema.js b/chrome/content/zotero/xpcom/schema.js
index cae47e860..bdc5bdf02 100644
--- a/chrome/content/zotero/xpcom/schema.js
+++ b/chrome/content/zotero/xpcom/schema.js
@@ -1665,6 +1665,12 @@ Zotero.Schema = new function(){
 						Zotero.DB.query("INSERT INTO itemAttachments (itemID, linkMode) VALUES (?, ?)", [id, 3]);
 					}
 				}
+				
+				if (i==39) {
+					Zotero.DB.query("CREATE TABLE proxies (\n    proxyID INTEGER PRIMARY KEY,\n    multiHost INT,\n    autoAssociate INT,\n    scheme TEXT\n)");
+					Zotero.DB.query("CREATE TABLE proxyHosts (\n    hostID INTEGER PRIMARY KEY,\n    proxyID INTEGER,\n    hostname TEXT,\n    FOREIGN KEY (proxyID) REFERENCES proxies(proxyID)\n)");
+					Zotero.DB.query("CREATE INDEX proxyHosts_proxyID ON proxyHosts(proxyID)");
+				}
 			}
 			
 			_updateDBVersion('userdata', toVersion);
diff --git a/chrome/content/zotero/xpcom/translate.js b/chrome/content/zotero/xpcom/translate.js
index d43f6fa20..c3f3861e2 100644
--- a/chrome/content/zotero/xpcom/translate.js
+++ b/chrome/content/zotero/xpcom/translate.js
@@ -271,7 +271,7 @@ Zotero.Translate.prototype.setCollection = function(collection) {
 Zotero.Translate.prototype.setLocation = function(location) {
 	if(this.type == "web") {
 		// account for proxies
-		this.location = Zotero.Ingester.ProxyMonitor.proxyToProper(location);
+		this.location = Zotero.Proxies.proxyToProper(location);
 		if(this.location != location) {
 			// figure out if this URL is being proxies
 			this.locationIsProxied = true;
@@ -1109,7 +1109,7 @@ Zotero.Translate.prototype._itemDone = function(item, attachedTo) {
 		// if item was accessed through a proxy, ensure that the proxy
 		// address remains in the accessed version
 		if(this.locationIsProxied && item.url) {
-			item.url = Zotero.Ingester.ProxyMonitor.properToProxy(item.url);
+			item.url = Zotero.Proxies.properToProxy(item.url);
 		}
 		
 		// create new item
@@ -1383,7 +1383,7 @@ Zotero.Translate.prototype._itemDone = function(item, attachedTo) {
 								}
 
 								if(this.locationIsProxied) {
-									attachment.url = Zotero.Ingester.ProxyMonitor.properToProxy(attachment.url);
+									attachment.url = Zotero.Proxies.properToProxy(attachment.url);
 								}
 
 								var fileBaseName = Zotero.Attachments.getFileBaseNameFromItem(myID);
diff --git a/chrome/content/zotero/xpcom/utilities.js b/chrome/content/zotero/xpcom/utilities.js
index f317c576e..08233aee4 100644
--- a/chrome/content/zotero/xpcom/utilities.js
+++ b/chrome/content/zotero/xpcom/utilities.js
@@ -555,7 +555,7 @@ Zotero.Utilities.Ingester.prototype.processDocuments = function(urls, processor,
 	if(this.translate.locationIsProxied) {
 		for(var i in urls) {
 			if(this.translate.locationIsProxied) {
-				urls[i] = Zotero.Ingester.ProxyMonitor.properToProxy(urls[i]);
+				urls[i] = Zotero.Proxies.properToProxy(urls[i]);
 			}
 			// check for a protocol colon
 			if(!Zotero.Utilities.Ingester._protocolRe.test(urls[i])) {
@@ -591,7 +591,7 @@ Zotero.Utilities.Ingester.HTTP.prototype.doGet = function(urls, processor, done,
 	}
 	
 	if(this.translate.locationIsProxied) {
-		url = Zotero.Ingester.ProxyMonitor.properToProxy(url);
+		url = Zotero.Proxies.properToProxy(url);
 	}
 	if(!Zotero.Utilities.Ingester._protocolRe.test(url)) {
 		throw("invalid URL in processDocuments");
@@ -620,7 +620,7 @@ Zotero.Utilities.Ingester.HTTP.prototype.doGet = function(urls, processor, done,
 
 Zotero.Utilities.Ingester.HTTP.prototype.doPost = function(url, body, onDone, requestContentType, responseCharset) {
 	if(this.translate.locationIsProxied) {
-		url = Zotero.Ingester.ProxyMonitor.properToProxy(url);
+		url = Zotero.Ingester.Proxies.properToProxy(url);
 	}
 	if(!Zotero.Utilities.Ingester._protocolRe.test(url)) {
 		throw("invalid URL in processDocuments");
diff --git a/chrome/locale/en-US/zotero/preferences.dtd b/chrome/locale/en-US/zotero/preferences.dtd
index 12e51724b..63edcf227 100644
--- a/chrome/locale/en-US/zotero/preferences.dtd
+++ b/chrome/locale/en-US/zotero/preferences.dtd
@@ -61,6 +61,7 @@
 <!ENTITY zotero.preferences.quickCopy.siteEditor.outputFormat "Output Format">
 
 <!ENTITY zotero.preferences.prefpane.styles					"Styles">
+
 <!ENTITY zotero.preferences.styles.styleManager				"Style Manager">
 <!ENTITY zotero.preferences.styles.styleManager.title		"Title">
 <!ENTITY zotero.preferences.styles.styleManager.updated		"Updated">
@@ -81,6 +82,23 @@
 <!ENTITY zotero.preferences.keys.overrideGlobal			"Try to override conflicting shortcuts">
 <!ENTITY zotero.preferences.keys.changesTakeEffect		"Changes take effect in new windows only">
 
+<!ENTITY zotero.preferences.prefpane.proxies				"Proxies">
+
+<!ENTITY zotero.preferences.proxies.proxyOptions			"Proxy Options">
+<!ENTITY zotero.preferences.proxies.autoRecognize			"Automatically recognize common URL-rewriting proxy systems">
+<!ENTITY zotero.preferences.proxies.transparent				"Transparently redirect requests through previously used proxies">
+<!ENTITY zotero.preferences.proxies.configured				"Configured Proxies">
+<!ENTITY zotero.preferences.proxies.hostname				"Hostname">
+<!ENTITY zotero.preferences.proxies.scheme					"Scheme">
+
+<!ENTITY zotero.preferences.proxies.multiSite				"Multi-Site">
+<!ENTITY zotero.preferences.proxies.autoAssociate			"Automatically associate new hosts">
+<!ENTITY zotero.preferences.proxies.variables				"You may use the following variables in your proxy scheme:">
+<!ENTITY zotero.preferences.proxies.h_variable				"&#37;h - The hostname of the proxied site (e.g., www.zotero.org)">
+<!ENTITY zotero.preferences.proxies.p_variable				"&#37;p - The path of the proxied page excluding the leading slash (e.g., about/index.html)">
+<!ENTITY zotero.preferences.proxies.d_variable				"&#37;d - The directory path (e.g., about/)">
+<!ENTITY zotero.preferences.proxies.f_variable				"&#37;f - The filename (e.g., index.html)">
+<!ENTITY zotero.preferences.proxies.a_variable				"&#37;a - Any string">
 
 <!ENTITY zotero.preferences.prefpane.advanced				"Advanced">
 
diff --git a/chrome/locale/en-US/zotero/zotero.properties b/chrome/locale/en-US/zotero/zotero.properties
index a527ad2ef..79353ebe0 100644
--- a/chrome/locale/en-US/zotero/zotero.properties
+++ b/chrome/locale/en-US/zotero/zotero.properties
@@ -498,3 +498,13 @@ styles.updateStyle					= Update existing style "%1$S" with "%2$S"?
 styles.installed					= The style "%S" was installed successfully.
 styles.installError					= %S does not appear to be a valid CSL file.
 styles.deleteStyle					= Are you sure you want to delete the style "%1$S"?
+
+proxies.multiSite					= Multi-Site
+proxies.error						= Information Validation Error
+proxies.error.scheme.noHTTP			= Valid proxy schemes must start with "http://" or "https://"
+proxies.error.host.invalid			= You must enter a full hostname for the site served by this proxy (e.g., jstor.org).
+proxies.error.scheme.noHost			= A multi-site proxy scheme must contain the host variable (%h).
+proxies.error.scheme.noPath			= A valid proxy scheme must contain either the path variable (%p) or the directory and filename variables (%d and %f).
+proxies.recognized					= Proxy Recognized
+proxies.recognized.message			= Would you like Zotero to store information about this proxy server to enable saving of references accessed through it?\n\nWARNING: Only click "OK" below if you have accessed this site through your library or another institution you trust.
+proxies.recognized.disable			= Disable automatic recognition of proxy systems
\ No newline at end of file
diff --git a/chrome/skin/default/zotero/prefs-proxies.png b/chrome/skin/default/zotero/prefs-proxies.png
new file mode 100644
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diff --git a/components/zotero-service.js b/components/zotero-service.js
index b81cfb858..2c6990fe6 100644
--- a/components/zotero-service.js
+++ b/components/zotero-service.js
@@ -20,7 +20,7 @@ var xpcomFiles = ['zotero',
 	'data/collections', 'data/cachedTypes', 'data/creator', 'data/creators',
 	'data/itemFields', 'data/notes', 'data/tag', 'data/tags', 'db', 'enstyle',
 	'file', 'fulltext', 'id', 'ingester', 'integration', 'itemTreeView', 'mime',
-	'notifier', 'progressWindow', 'quickCopy', 'report', 'schema', 'search',
+	'notifier', 'progressWindow', 'proxy', 'quickCopy', 'report', 'schema', 'search',
 	'sync', 'timeline', 'translate', 'utilities', 'zeroconf'];
 
 for (var i=0; i<xpcomFiles.length; i++) {
diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index 80f5ac3d4..2f957c60b 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -79,4 +79,8 @@ pref("extensions.zotero.annotations.warnOnClose", true);
 // Server
 pref("extensions.zotero.sync.server.autoSync", true);
 pref("extensions.zotero.sync.server.username", '');
-pref("extensions.zotero.sync.server.compressData", true);
\ No newline at end of file
+pref("extensions.zotero.sync.server.compressData", true);
+
+// Proxy
+pref("extensions.zotero.proxies.autoRecognize", true);
+pref("extensions.zotero.proxies.transparent", false);
\ No newline at end of file
diff --git a/userdata.sql b/userdata.sql
index 1e2089fdf..49e08decd 100644
--- a/userdata.sql
+++ b/userdata.sql
@@ -1,4 +1,4 @@
--- 38
+-- 39
 
 -- This file creates tables containing user-specific data -- any changes made
 -- here must be mirrored in transition steps in schema.js::_migrateSchema()
@@ -254,4 +254,19 @@ CREATE TABLE highlights (
     dateModified DATE,
     FOREIGN KEY (itemID) REFERENCES itemAttachments(itemID)
 );
-CREATE INDEX highlights_itemID ON highlights(itemID);
\ No newline at end of file
+CREATE INDEX highlights_itemID ON highlights(itemID);
+
+CREATE TABLE proxies (
+    proxyID INTEGER PRIMARY KEY,
+    multiHost INT,
+    autoAssociate INT,
+    scheme TEXT
+);
+
+CREATE TABLE proxyHosts (
+    hostID INTEGER PRIMARY KEY,
+    proxyID INTEGER,
+    hostname TEXT
+    FOREIGN KEY (proxyID) REFERENCES proxies(proxyID)
+);
+CREATE INDEX proxyHosts_proxyID ON proxyHosts(proxyID);
\ No newline at end of file