Fx60 compatibility: Fix snapshot filenames

nsIURL doesn't seem to work anymore, so add Zotero.Utilities.parseURL(),
which uses the `url` package from NPM and adds fileName, fileExtension,
and fileBaseName.

chrome/content/zotero/xpcom/attachments.js

@@ -1131,53 +1131,43 @@ Zotero.Attachments = new function(){
 	
 	
 	function _getFileNameFromURL(url, contentType){
-		var nsIURL = Components.classes["@mozilla.org/network/standard-url;1"]
+		url = Zotero.Utilities.parseURL(url);
-					.createInstance(Components.interfaces.nsIURL);
-		nsIURL.spec = url;
 		
-		var ext = Zotero.MIME.getPrimaryExtension(contentType, nsIURL.fileExtension);
+		var fileBaseName = url.fileBaseName;
+		var fileExt = Zotero.MIME.getPrimaryExtension(contentType, url.fileExtension);
 		
-		if (!nsIURL.fileName) {
+		if (!fileBaseName) {
-			var matches = nsIURL.directory.match(/\/([^\/]+)\/$/);
+			let matches = url.pathname.match(/\/([^\/]+)\/$/);
 			// If no filename, use the last part of the path if there is one
 			if (matches) {
-				nsIURL.fileName = matches[1];
+				fileBaseName = matches[1];
 			}
 			// Or just use the host
 			else {
-				nsIURL.fileName = nsIURL.host;
+				fileBaseName = url.hostname;
-				var tld = nsIURL.fileExtension;
 			}
 		}
 		
-		// If we found a better extension, use that
-		if (ext && (!nsIURL.fileExtension || nsIURL.fileExtension != ext)) {
-			nsIURL.fileExtension = ext;
-		}
-		
-		// If we replaced the TLD (which would've been interpreted as the extension), add it back
-		if (tld && tld != nsIURL.fileExtension) {
-			nsIURL.fileBaseName = nsIURL.fileBaseName + '.' + tld;
-		}
-		
 		// Test unencoding fileBaseName
 		try {
-			decodeURIComponent(nsIURL.fileBaseName);
+			decodeURIComponent(fileBaseName);
 		}
 		catch (e) {
 			if (e.name == 'URIError') {
 				// If we got a 'malformed URI sequence' while decoding,
 				// use MD5 of fileBaseName
-				nsIURL.fileBaseName = Zotero.Utilities.Internal.md5(nsIURL.fileBaseName, false);
+				fileBaseName = Zotero.Utilities.Internal.md5(fileBaseName, false);
 			}
 			else {
 				throw e;
 			}
 		}
 		
+		var fileName = fileBaseName + (fileExt ? '.' + fileExt : '');
+		
 		// Pass unencoded name to getValidFileName() so that percent-encoded
 		// characters aren't stripped to just numbers
-		return Zotero.File.getValidFileName(decodeURIComponent(nsIURL.fileName));
+		return Zotero.File.getValidFileName(decodeURIComponent(fileName));
 	}
 	
 	

chrome/content/zotero/xpcom/utilities.js

@@ -1861,6 +1861,21 @@ Zotero.Utilities = {
 		}
 	},
 	
+	
+	parseURL: function (url) {
+		var parts = require('url').parse(url);
+		// fileName
+		parts.fileName = parts.pathname.split('/').pop();
+		// fileExtension
+		var pos = parts.fileName.lastIndexOf('.');
+		parts.fileExtension = pos == -1 ? '' : parts.fileName.substr(pos + 1);
+		// fileBaseName
+		parts.fileBaseName = parts.fileName
+			 // filename up to the period before the file extension, if there is one
+			.substr(0, parts.fileName.length - (parts.fileExtension ? parts.fileExtension.length + 1 : 0));
+		return parts;
+	},
+	
 	/**
 	 * Get the real target URL from an intermediate URL
 	 */

package-lock.json

@@ -3637,8 +3637,7 @@
     "querystring": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
-      "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=",
+      "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA="
-      "dev": true
     },
     "querystring-es3": {
       "version": "0.2.1",
@@ -4553,7 +4552,6 @@
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
       "integrity": "sha1-ODjpfPxgUh63PFJajlW/3Z4uKPE=",
-      "dev": true,
       "requires": {
         "punycode": "1.3.2",
         "querystring": "0.2.0"
@@ -4562,8 +4560,7 @@
         "punycode": {
           "version": "1.3.2",
           "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.3.2.tgz",
-          "integrity": "sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0=",
+          "integrity": "sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0="
-          "dev": true
         }
       }
     },

package.json

@@ -18,6 +18,7 @@
     "bluebird": "^3.5.1",
     "react": "^15.6.2",
     "react-dom": "^15.6.2",
+    "url": "^0.11.0",
     "zotero-web-library": "^0.9.4-alpha"
   },
   "devDependencies": {

scripts/config.js

@@ -31,6 +31,13 @@ const symlinkFiles = [
 
 // these files will be browserified during the build
 const browserifyConfigs = [
+	{
+		src: 'node_modules/url/url.js',
+		dest: 'resource/url.js',
+		config: {
+			standalone: 'url'
+		}
+	},
 	{
 		src: 'node_modules/sinon/lib/sinon.js',
 		dest: 'test/resource/sinon.js',

test/tests/utilitiesTest.js

@@ -430,6 +430,52 @@ describe("Zotero.Utilities", function() {
 		})
 	});
 	
+	describe("#parseURL()", function () {
+		var f;
+		before(() => {
+			f = Zotero.Utilities.parseURL;
+		});
+		
+		describe("#fileName", function () {
+			it("should contain filename", function () {
+				assert.propertyVal(f('http://example.com/abc/def.html?foo=bar'), 'fileName', 'def.html');
+			});
+			
+			it("should be empty if no filename", function () {
+				assert.propertyVal(f('http://example.com/abc/'), 'fileName', '');
+			});
+		});
+		
+		describe("#fileExtension", function () {
+			it("should contain extension", function () {
+				assert.propertyVal(f('http://example.com/abc/def.html?foo=bar'), 'fileExtension', 'html');
+			});
+			
+			it("should be empty if no extension", function () {
+				assert.propertyVal(f('http://example.com/abc/def'), 'fileExtension', '');
+			});
+			
+			it("should be empty if no filename", function () {
+				assert.propertyVal(f('http://example.com/abc/'), 'fileExtension', '');
+			});
+		});
+		
+		describe("#fileBaseName", function () {
+			it("should contain base name", function () {
+				assert.propertyVal(f('http://example.com/abc/def.html?foo=bar'), 'fileBaseName', 'def');
+			});
+			
+			it("should equal filename if no extension", function () {
+				assert.propertyVal(f('http://example.com/abc/def'), 'fileBaseName', 'def');
+			});
+			
+			it("should be empty if no filename", function () {
+				assert.propertyVal(f('http://example.com/abc/'), 'fileBaseName', '');
+			});
+		});
+	});
+	
+	
 	describe("#ellipsize()", function () {
 		describe("with wordBoundary", function () {
 			it("should truncate at word boundary", function* () {