BrowserView.js
[app.wkmirror] / BrowserView.js
1 Gtk = imports.gi.Gtk;
2 GLib = imports.gi.GLib;
3 WebKit = imports.gi.WebKit;
4
5 TabbedBrowser = imports.TabbedBrowser;
6 File = imports.File.File;
7
8 base64 = imports.base64.base64;
9
10 BrowserView = new GType({
11     parent: WebKit.WebView.type,
12     name: "BrowserView",
13     init: function ()
14     {
15         // Private
16         
17         
18         var _t = this;
19         
20         var tab;
21         var browsePage = false;
22         var maxQueue = 0;
23         var injected = {};
24         
25         var storedir = '/home/alan/wkqueue';
26         if (!File.exists(storedir)) {
27             File.mkdir(storedir);
28         }
29         var parsedir = storedir + '/parse_queue';
30         var downloaddir = storedir + '/download_queue';
31         var donedir = storedir + '/downloaded_queue';
32         if (!File.exists(parsedir)) {
33             File.mkdir(parsedir);
34         }
35         if (!File.exists(downloaddir)) {
36             File.mkdir(downloaddir);
37         }
38         if (!File.exists(donedir)) {
39             File.mkdir(donedir);
40         }
41         
42         var update_title = function (web_view, web_frame, title)
43         {
44             if(title.length > 25)
45                 title = title.slice(0,25) + "...";
46
47             tab.get_tab_label().label = title;
48         };
49
50         var update_url = function (web_view, web_frame)
51         {
52             var toolbar = tab.get_toolbar();
53
54             toolbar.set_url(web_frame.get_uri());
55             toolbar.set_can_go_back(web_view.can_go_back());
56             toolbar.set_can_go_forward(web_view.can_go_forward());
57         };
58
59         var update_progress = function (bar, progress)
60         {
61             tab.get_toolbar().set_progress(progress / 100);
62         };
63
64         var create_new_tab = function (web_view, web_frame, new_web_view)
65         {
66             new_web_view = new BrowserView();
67             new_web_view.signal.web_view_ready.connect(show_new_tab);
68             return new_web_view;
69         };
70
71         var show_new_tab = function (new_web_view)
72         {
73             TabbedBrowser.browser.new_tab("", new_web_view);
74
75             return false;
76         };
77
78         var hover_link = function (web_view, link, url)
79         {
80             tab.get_statusbar().set_status(url);
81         };
82
83         
84         
85         
86         this.add_inject = function(force)
87         {
88             
89             if (force || (typeof(injected[this.uri]) == 'undefined' )) {
90                 injected[this.uri] = 0;
91             }
92             if (injected[this.uri] > 2) {
93                 return;
94             }
95             injected[this.uri]++;
96             var fn = __script_path__ + "/inject.js";
97             if (File.exists(fn)) {
98                 print("Adding inject");
99                 var newjs = File.read(__script_path__ + "/inject.js");
100                 TabbedBrowser.browser.current_tab().get_web_view().execute_script(
101                     newjs
102                     
103                 );
104             }
105             
106         }
107          this.add_nsinject = function(force)
108         {
109             
110             //if (force || (typeof(injected[this.uri]) == 'undefined' )) {
111             //    injected[this.uri] = 0;
112             //}
113             //if (injected[this.uri] > 2) {
114             //    return;
115             //}
116             //injected[this.uri]++;
117             var fn = __script_path__ + "/nsinject.js";
118             //if (File.exists(fn)) {
119                 print("Adding inject");
120                 var newjs = File.read(__script_path__ + "/nsinject.js");
121                 TabbedBrowser.browser.current_tab().get_web_view().execute_script(
122                     newjs
123                     
124                 );
125             //}
126             
127         }
128         
129         
130         
131         
132         
133         var load_finished = function ()
134         {
135             print("load finished");
136             
137             GLib.timeout_add(GLib.PRIORITY_LOW, 1000, function() { 
138                  
139 //                _t.open("http://sg.lifestyleasia.com/videos/video-british-polo-day-singapore-2012/");
140                 var mf = _t.get_main_frame();
141                 
142                 var ar = Gtk.PaperSize.get_paper_sizes();
143                 var psetup = new Gtk.PageSetup();
144                 for(var i = 0; i < ar.length; i++) {
145 //                    print(ar[i].get_name());
146                     if (ar[i].get_name() =='iso_a2') {
147                         psetup.set_paper_size(ar[i]);
148                     }
149                 }
150                 
151
152                 
153                 var p = new Gtk.PrintOperation({ export_filename : '/home/chris/test_pdf/test2.pdf' });
154                 var s = new Gtk.PrintSettings();
155                 s.set_scale(0.5)
156                 
157                 p.set_default_page_setup(psetup);
158                 p.set_print_settings(s);
159                 mf.print_full(p, Gtk.PrintOperationAction.PREVIEW)
160                 //Seed.quit();
161             });
162             
163             return;
164             tab.get_toolbar().set_progress(0);
165             
166             _t.add_inject(true);
167           
168             _t.add_nsinject(true);
169               print(typeof(Seed.argv[2]));
170             if (Seed.argv[2] == null) {
171                 print("NEED ID!");
172                 Seed.quit();
173             
174             }
175             _t.nsdownloadNext(Seed.argv[2]  * 1)
176           
177             
178             if (browsePage) {
179                 print("onload: calling gather links");
180                 TabbedBrowser.browser.current_tab().get_web_view().execute_script(
181                     'BrowserMirror.gatherlinks();'
182                     
183                 );
184                 
185             }
186             
187             
188         };
189
190         var load_committed = function (web_view, web_frame)
191         {
192             update_url(web_view, web_frame);
193         };
194
195         var clicked_link = function (web_view, web_frame, request,
196                                      action, decision, window)
197         {
198             if(action.get_reason() == WebKit.WebNavigationReason.LINK_CLICKED &&
199                action.get_button() == 2)
200             {
201                 browser.new_tab(request.get_uri(), null);
202                 return true;
203             }
204
205             return false;
206         };
207
208         // Public
209         
210         
211         this.browse = function (url)
212         {
213             if(url.search("://") < 0)
214                 url = "http://" + url;
215
216             this.open(url);
217         };
218
219         this.set_tab = function (new_tab)
220         {
221             tab = new_tab;
222         };
223
224         this.get_tab = function ()
225         {
226             return tab;
227         };
228
229
230         this.downloadqueue = function()
231         {
232             var filesList = File.list(downloaddir);
233             print("DOWNLOAD QUEUE LENGTH: " + filesList.length);
234             if (!maxQueue || maxQueue < filesList.length) {
235                 maxQueue  = filesList.length;
236             }
237             
238             tab.get_toolbar().set_progress(filesList.length / Math.max(maxQueue, filesList.length ));
239             if (filesList == null || filesList.length == 0  ){
240                 
241                 return false;
242             }  
243             var url = decodeURIComponent(filesList[0]);
244             if (!this.checkdomain(url)) {
245                 print("SKIP (external domain) : " + url);
246                 File.remove(downloaddir + '/' + filesList[0]);
247                 return this.downloadqueue();
248                 
249             }
250             this.downloadhead( url);
251             return true;
252             
253         };
254         
255     
256         this.queuerun = function()
257         {
258             if (this.downloadqueue()) return true;
259             return this.parsequeue();
260         };
261         
262         this.parsequeue = function(){
263             var filesList = File.list(parsedir);
264             if (filesList == null || filesList.length == 0  ){
265                 return false;
266             } 
267             
268             browsePage = decodeURIComponent(filesList[0]);
269             print("parsing page:" + browsePage );
270             this.browse(browsePage);
271             
272              
273             
274             
275             
276             return true;
277         };
278         
279         
280         this.downloadpage = function(link){
281             print("calling download page: " + link);
282             _t.add_inject(); // just in case..
283                 //var url = File.read(__script_path__+"/downloadqueue/"+link);
284             this.execute_script(
285                 "BrowserMirror.downloadpage(" + JSON.stringify(link) +");"
286             );          
287                 
288             
289         };
290  
291         this.downloadhead = function(link){
292             print("calling download head: " + link);
293             _t.add_inject(); // just in case..
294                 //var url = File.read(__script_path__+"/downloadqueue/"+link);
295             this.execute_script(
296                 "BrowserMirror.downloadhead(" + JSON.stringify(link) +");"
297             );          
298                  
299         };
300         var nsqueue = false;
301         this.nsdownloadNext = function()
302         {
303             /*if (nsqueue === false) {
304                 nsqueue = [
305                            //282,273,285,395,271,272,278,394,402,279,432,280,284,281,433,437,404,444,151,152,1,283,287,288,418,407,398,449,147,150,131,149,443,148,411,405,415,417,416,406,408,399,410,409,412,400,155,133,124,157,118,183,450,434,301,435,130,286,162,292,431,161,290,146,145,158,159,120,137,128,139,163,293,160,289,291,141,140,138,142,144,110,401,156,154,153,170,167,295,166,294,277,425,164,165,168,296,169,297,113,171,119,180,300,176,175,172,302,299,
306                            //298,421,187,307,428,275,269,304,181,182,174,173,184,303,112,179,114,305,177,178,186,306,403,420,111,109,309,188,308,446,445,310,311,53,189,52,312,419,270,190,191,192,193,54,194,108,268,121,195,206,396,205,207,324,220,340,212,331,219,339,222,342,436,209,327,424,208,326,210,328,330,325,211,329,218,337,338,224,223,217,336,214,333,213,332,216,335,221,341,215,334,197,314,
307                             //196,313,198,316,201,320,317,204,323,203,322,202,321,200,319,199,318,346,58,267,393,265,391,438,264,390,261,387,262,388,260,386,266,392,413,414,263,389,347,225,343,227,345,226,344,422,228,348,237,358,231,352,229,349,351,233,354,238,359,360,239,361,230,350,232,353,234,355,439,236,357,240,362,235,356,254,380,257,383,259,385,255,381,256,448,382,258,384,374,252,375,376,251,373,378,429,430,379,253,244,366,247,
308                            //369,363,242,364,241,243,365,246,368,245,367,377,427,
309                            426,250,447,372,249,371,248,370,442,397,129,441,440,116,122,123,125,126,136,115,117,127
310                         ];
311             }
312             
313             if (!nsqueue.length) {
314                 print("DONE");
315                 return;
316             }
317             var pg = nsqueue.shift() ;
318             
319             
320             */
321             
322             //print(typeof(Seed.argv[2]));
323             if (!Seed.argv[2]) {
324                 print("NEED ID!");
325                 Seed.quit();
326             
327             }
328             var pg = Seed.argv[2]  * 1;
329             if ( File.exists( storedir+'/output/' + pg + '.csv')) {
330                 print("DONE : " + storedir+'/output/' + pg + '.csv');
331                 Seed.quit();
332                 return;
333             }
334             
335             var pd = JSON.parse(File.read('/home/alan/.nspasswd'));
336             
337             print("downloadnext : " + pg);
338             this.execute_script(
339                 'NS.login(' +  JSON.stringify(pd.username) + ',' + JSON.stringify(pd.password) + ',' + pg + ' );'
340                 
341             );
342             
343             
344             
345         }
346
347         // Implementation
348         //this.set_scroll_adjustments(null, null);
349         
350         this.signal.title_changed.connect(update_title);
351         this.signal.load_committed.connect(load_committed);
352         this.signal.load_finished.connect(load_finished);
353         this.signal.load_progress_changed.connect(update_progress);
354         
355         // For some reason, this segfaults seed in the instance init closure handler
356         // Once that's fixed, uncommenting the next line will give middle-click-open-in-new tab
357         //this.signal.navigation_policy_decision_requested.connect(clicked_link);
358
359         this.signal.hovering_over_link.connect(hover_link);
360
361         this.signal.create_web_view.connect(create_new_tab);
362         
363         
364          
365         print("ADDing console message sig handler");
366         
367         
368         
369         
370         this.signal.console_message.connect(function(wv, msg, line, sid) {
371             // print('BrowserView.js got ' + msg);
372             var methodname;
373             var ret;
374             try {
375                 ret = JSON.parse(msg);
376             
377             } catch(e) {
378                 print("GOT INVALID message:" + msg)
379                 return true;
380                 
381                 
382             }
383             print("got method : " + ret.method);
384             
385             if (ret.method == 'exit') {
386                 Seed.quit();
387             }
388             
389             
390             if (ret.method == 'nsdownloadpage'){
391                 try { 
392                     var mt = ret.contentType.split(';').shift();
393                 } catch( e) {
394                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
395                     mt='';
396                 }
397                 
398                 switch(mt) {
399                    
400                     case '':
401                         print("CONSOLE GOT BLANK - call download next?");
402                           Seed.quit();
403                          //_t.nsdownloadNext();
404                        // _t.moveToDone(ret.requesturl);
405                         break;
406                     
407                     default:
408                         var info = false;
409                         var info_f = _t.dupeCheck(ret.requesturl);
410                         if (info_f) {
411                             info  = JSON.parse(File.read(info_f));
412                         }
413                          var target  = storedir+'/output/' + ret.filename 
414                          // flag it as done..
415                        
416                         
417                         
418                         
419                         
420                         //File.write(target ,decodeURIComponent(escape(base64.decode( ret.data))));
421                         print("GOT array sized: " + ret.data.length);
422                         
423                         File.writeBinaryArray(target,ret.data);
424                         print("Wrote to file: " + target);
425                         // get next..
426                         return true;
427                         //Seed.quit();
428                         //_t.nsdownloadNext();
429                         
430                         
431                         
432                         break;
433                 }
434                 return true; //???
435             }
436             
437             if (ret.method == 'gatherlinks'){
438                 // flag the page as parsed.
439                 
440                 if (browsePage) {
441                     _t.moveToDone(browsePage);
442                     
443                 }
444                 var sourcePage = browsePage;
445                 browsePage = false;
446                 print(typeof(ret.data));
447                 if (typeof(ret.data) != 'object' ) {
448                     print("GOT INVALID DATA?:" + JSON.stringify(ret,null,4));
449                     ret.data= [];
450                     
451                 }
452                 ret.data.forEach(function(ln) {
453                     if (!ln.href.match(/^http[s]*:\/\//)) {
454                         print("SKIP link: " + ln.href);
455                         return;
456                     }
457                     ln.href= ln.href.replace(/#.*$/,'');
458                     
459                     if (!_t.checkdomain(ln.href) ) {
460                         print("SKIP link (external domain): " + ln.href);
461                         return;
462                     }
463                     
464                     // this is just for our purposes..
465                     
466                     if (ln.href.match(/\/pages\/[0-9]+$/)) {
467                         print("SKIP link (ingore unnamed pages): " + ln.href);
468                         return;
469                     }
470                     
471                     
472                     
473                     var fn = encodeURIComponent(ln.href);
474                     
475                     var dupe  = _t.dupeCheck(ln.href);
476                     if (dupe) {
477                         
478                         if (dupe == downloaddir + '/'  + fn) {
479                             var info = JSON.parse(File.read(dupe));
480                             if (info && info.fromUrl && info.fromUrl.length > sourcePage.length) {
481                                 print("SKIP link (in queue already): " + ln.href);
482                                 return;
483                             }
484                             print("found a longer link for url")
485                         } else {
486                             print("SKIP link (in another queue): " + ln.href);
487                             return;
488                         }
489                     }
490                      
491                     File.write(downloaddir + '/'  + fn, JSON.stringify( {
492                         label : ln.label,
493                         fromURL : sourcePage
494                     })); // write an empyt file indicating it needs downloading..
495                 });         
496                 var filesList = File.list(downloaddir);
497             
498                 maxQueue =  filesList.length;
499             }
500             
501             if (ret.method == 'downloadpage'){
502                 // got the results from download page:
503                 // requesturl 
504                 // remove from downloadqueue.
505              
506                 
507                 //
508                 try { 
509                     var mt = ret.contentType.split(';').shift();
510                 } catch( e) {
511                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
512                     mt='';
513                 }
514                 
515                 switch(mt) {
516                    
517                     case '':
518                         _t.moveToDone(ret.requesturl);
519                         break;
520                     
521                     default:
522                         var info = false;
523                         var info_f = _t.dupeCheck(ret.requesturl);
524                         if (info_f) {
525                             info  = JSON.parse(File.read(info_f));
526                         }
527                     
528                         _t.moveToDone(ret.requesturl);
529                         // flag it as done..
530                        
531                         // write it...
532                         var target  = _t.toFilename(ret.requesturl);
533                         if (info && info.fromURL) {
534                             var bn = decodeURIComponent(File.basename(target));
535                             target = _t.toFilename(info.fromURL+'/'+ bn);
536                         }
537                         
538                         
539                         
540                         
541                         //File.write(target ,decodeURIComponent(escape(base64.decode( ret.data))));
542                         print("GOT array sized: " + ret.data.length);
543                         
544                         File.writeBinaryArray(target,ret.data);
545                         print("Wrote to file: " + target);
546                         break;
547                 }
548                 
549                 // if it's HTML then add it to parse queue
550                 // otehrwise save it.. and run the queue again.
551                
552                 
553                 //File.write(storedir+"/parsequeue/"+Math.random(), msg);
554             }
555             
556            
557             if (ret.method == 'downloadhead'){
558                 // got the results from download page:
559                 // requesturl 
560                 // remove from downloadqueue.
561                 
562                 //
563                 try { 
564                     var mt = ret.contentType.split(';').shift();
565                 } catch( e) {
566                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
567                     mt='';
568                 }
569                 
570                 switch(mt) {
571                     case 'text/html':
572                         // add to parse QUEUE..
573                         print("moving to parse queue");
574                         _t.moveToParse(ret.requesturl);
575                         break;
576                     // stuf we do not care about..
577                     case 'application/atom+xml':
578                     case '':
579                         print("moving to done queue");
580                          _t.moveToDone(ret.requesturl);
581                         break;
582                     
583                     default:
584                         print("calling download file");
585                         _t.downloadpage( ret.requesturl );
586                         // keep it on the queue..
587                         // do not run the queue..
588                         return true;
589                      
590                 }
591                 
592                 // if it's HTML then add it to parse queue
593                 // otehrwise save it.. and run the queue again.
594                
595                 
596                 //File.write(storedir+"/parsequeue/"+Math.random(), msg);
597             }
598             _t.queuerun();
599             
600             return true;
601         });
602         
603         
604         this.toFilename = function(url)
605         {
606             url = url.replace(/^http[s]*:\/\//, '');
607             var p = url.split('/');
608             p.unshift(storedir+'/output');
609             for (var i =1 ;i < p.length; i++) {
610                 p[i] = encodeURIComponent(p[i]);
611             
612             }
613             p[p.length-1] = decodeURIComponent(p[p.length-1]);
614             ret = p.join('/');
615             var dir = File.dirname(ret);
616             File.mkdirall(dir);
617             return ret;
618             
619         }
620         this.checkdomain = function(comp)
621         {
622             var b = parseUri(this.uri);
623             var d = parseUri(comp);
624             return (d.host == b.host && d.protocol == b.protocol);
625             
626             
627         }
628         
629         this.dupeCheck = function(url)
630         {
631             
632            // order - return highest up the queue first..
633             if (File.exists(downloaddir +'/' + encodeURIComponent(url))) {
634                 return downloaddir +'/' + encodeURIComponent(url);
635             }
636              if (File.exists(parsedir +'/' + encodeURIComponent(url))) {
637                 return parsedir +'/' + encodeURIComponent(url);
638             }
639             if (File.exists(donedir +'/' + encodeURIComponent(url))) {
640                 return donedir +'/' + encodeURIComponent(url);
641             }
642             return  false;
643             
644             
645         }
646         this.moveToParse = function(url)
647         {
648             var old = this.dupeCheck(url);
649             var target =parsedir +'/' + encodeURIComponent(url);
650             if (old == target) {
651                 return;
652             }
653             File.write(target, old ? File.read(old) : '');
654             if (old) {
655                 File.remove(old);
656             }
657             
658         }
659         
660         this.moveToDownload= function(url)
661         {
662             var old = this.dupeCheck(url);
663             var target =downloaddir +'/' + encodeURIComponent(url);
664             if (old == target) {
665                 return;
666             }
667             File.write(target, old ? File.read(old) : '');
668             if (old) {
669                 File.remove(old);
670             }
671             
672         }
673         this.moveToDone= function(url)
674         {
675             var old = this.dupeCheck(url);
676             var target = donedir +'/' + encodeURIComponent(url);
677             if (old == target) {
678                 return;
679             }
680             File.write(target, old ? File.read(old) : '');
681             if (old) {
682                 File.remove(old);
683             }
684             
685         }
686         
687     }
688 });
689
690 function parseUri (str) {
691         var     o   = parseUri.options,
692                 m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
693                 uri = {},
694                 i   = 14;
695
696         while (i--) uri[o.key[i]] = m[i] || "";
697
698         uri[o.q.name] = {};
699         uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
700                 if ($1) uri[o.q.name][$1] = $2;
701         });
702
703         return uri;
704 };
705
706 parseUri.options = {
707         strictMode: false,
708         key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
709         q:   {
710                 name:   "queryKey",
711                 parser: /(?:^|&)([^&=]*)=?([^&]*)/g
712         },
713         parser: {
714                 strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
715                 loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
716         }
717 };