Add support for the ssl parameter to fetch images from https URLs

Closes #5.

index.js

@@ -42,15 +42,17 @@ var mappings = {
 function photon (imageUrl, opts) {
 
   // parse the URL, assuming //host.com/path style URLs are ok and parse the querystring
-  var parsedUrl = url.parse( imageUrl, true, true );
+  var parsedUrl = url.parse( imageUrl, true, true ),
+    wasSecure = parsedUrl.protocol === 'https:';
 
   delete parsedUrl.protocol;
   delete parsedUrl.auth;
   delete parsedUrl.port;
 
   var params = {
     slashes: true,
-    protocol: 'https:'
+    protocol: 'https:',
+    query: {}
   };
 
   if ( isAlreadyPhotoned( parsedUrl.host ) ) {
@@ -65,6 +67,9 @@ function photon (imageUrl, opts) {
     }
     params.pathname = url.format( parsedUrl ).substring(1);
     params.hostname = serverFromPathname( params.pathname );
+    if ( wasSecure ) {
+      params.query.ssl = 1;
+    }
   }
 
   if (opts) {
@@ -82,13 +87,13 @@ function photon (imageUrl, opts) {
         continue;
       }
 
-      // any other options just gets passed through as query-string parameters
-      if (!params.query) params.query = {};
-
       params.query[mappings[i] || i] = opts[i];
     }
   }
 
+  // do this after so a passed opt can't override it
+
+
   var photonUrl = url.format(params);
   debug('generated Photon URL: %s', photonUrl);
   return photonUrl;

test/test.js

@@ -39,6 +39,11 @@ describe('photon()', function () {
     assert(RegExp('https://i[0-2].wp.com/example.com/image.png').test(photon(url)));
   });
 
+  it('should Photon-ify a secure image URL', function () {
+    var url = 'https://example.com/image.png';
+    assert(RegExp('https://i[0-2].wp.com/example.com/image.png\\\?ssl=1').test(photon(url)));
+  });
+
   it('should not Photon-ify an existing Photon URL, even if the host is wrong', function () {
     var photonedUrl = photon('http://www.gravatar.com/avatar/693307b4e0cb9366f34862c9dfacd7fc');
     var alternateUrl = 'https://i1.wp.com/www.gravatar.com/avatar/693307b4e0cb9366f34862c9dfacd7fc';
@@ -106,4 +111,17 @@ describe('photon()', function () {
 
     assertHostedOnPhotonInsecurely(photonedUrl);
   });
+
+  it('should allow you to turn off ssl for fetching', function() {
+    var photonedUrl = photon('https://example.com/foo.png', { secure: false, ssl: 0 });
+
+    assertHostedOnPhotonInsecurely(photonedUrl);
+    assertQuery(photonedUrl, { ssl: 0 });
+
+    photonedUrl = photon('https://i0.wp.com/example.com/foo.png', { secure: false, ssl: 0 });
+
+    assertHostedOnPhotonInsecurely(photonedUrl);
+    assertQuery(photonedUrl, { ssl: 0 });
+  });
+
 });