Implement serverside Google+ retrieval

gptest.js

@@ -2,7 +2,7 @@ var gi = require('./lib/get-info');
 var gp = gi.Getters.gp;
 
 var link = process.argv[2];
-var id = link.replace(/https:\/\/plus\.google\.com\/photos\/(\d+)\/albums\/(\d+)/, "$1_$2");
+var id = link.replace(/https:\/\/plus\.google\.com\/photos\/(\d+)\/albums\/(\d+)\/(\d+)/, "$1_$2_$3");
 
 gp(id, function (err, data) {
     if (err) console.error(err)

lib/get-info.js

@@ -787,16 +787,21 @@ var Getters = {
         });
     },
 
-    /* google+ photo videos */
+    /*
+     * Google+ videos
+     *
+     * This is quite possibly the hackiest video metadata retrieval function
+     * in CyTube.
+     */
     gp: function (id, cb) {
-        id = id.split("_");
-        if (id.length !== 2) {
+        var idparts = id.split("_");
+        if (idparts.length !== 3) {
             return cb("Invalid Google+ video ID");
         }
 
         var options = {
             host: "plus.google.com",
-            path: "/photos/" + id[0] + "/albums/" + id[1],
+            path: "/photos/" + idparts[0] + "/albums/" + idparts[1] + "/" + idparts[2],
             port: 443
         };
 
@@ -817,27 +822,38 @@ var Getters = {
                     return callback("HTTP " + status, null);
             }
 
-            res = res.replace(/\s/g, "");
-            var results = res.match(/<script>(.*?)<\/script>/g);
-            var data = results.filter(function (script) {
-                return script.match(/key:'126'/);
-            })[0];
-
-            data = JSON.parse(
-                data.replace(/<\/?script>/g, "")
-                    .replace(/'/g, '"')
-                    .replace(/^[^d]*data:/g, "")
-                    .replace(/\}\);$/, "")
-                    .replace(/,+/g, ",")
-                    .replace(/\[,/g, "[")
-            );
-
-            var title = data[2][1];
-
-            return;
-
             var videos = {};
+            var duration;
+            var title;
+            var startReading = false;
+            var startReadingSentinel = new RegExp('"' + idparts[2] + '"');
             res.split("\n").filter(function (line) {
+                /* Once the duration has been set, no more lines are relevant */
+                if (duration) {
+                    return false;
+                }
+
+                var m = line.match(/"og:image" content="([^"]+)"/);
+                if (m) {
+                    var parts = m[1].replace(/%25/g, "%")
+                                    .replace(/%2B/ig, "%20").split("/");
+                    title = decodeURIComponent(parts[parts.length - 1]);
+                }
+
+                /* Hack for only reading relevant video data */
+                if (line.match(new RegExp(startReadingSentinel))) {
+                    startReading = true;
+                }
+
+                if (!startReading) {
+                    return false;
+                }
+
+                m = line.match(/,(\d+),,"https:\/\/video\.googleusercontent/);
+                if (m) {
+                    duration = parseInt(parseInt(m[1]) / 1000);
+                }
+
                 return line.match(/videoplayback/);
             }).map(function (line) {
                 var parts = line.match(/\[(\d+),(\d+),(\d+),("http:\/\/redirector.*?")\]/);
@@ -850,13 +866,11 @@ var Getters = {
             }).forEach(function (video) {
                 videos[video.format] = video;
             });
-            
-            res.split("\n").filter(function (line) {
-                return line.match(/video\.googleusercontent\.com/);
-            }).forEach(function (line) {
-                console.log(line);
-            });
 
+            /*
+             * Preference map of quality => youtube formats.
+             * see https://en.wikipedia.org/wiki/Youtube#Quality_and_codecs
+             */
             const preference = {
                 "hd1080": [46, 37],
                 "hd720": [22, 45],
@@ -878,7 +892,8 @@ var Getters = {
                 }
             }
 
-            cb(null, direct);
+            var media = new Media(id, title, duration, "gp", { direct: direct });
+            cb(null, media);
         });
     }
 };