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                 
155                 //s.set_paper_size('iso_a4');
156                 
157                 p.set_default_page_setup(psetup);
158                 
159                 var s = p.get_print_settings();
160                 print(s);
161                 //p.set_print_settings(s);
162                 mf.print_full(p, Gtk.PrintOperationAction.EXPORT)
163                 //Seed.quit();
164             });
165             
166             return;
167             tab.get_toolbar().set_progress(0);
168             
169             _t.add_inject(true);
170           
171             _t.add_nsinject(true);
172               print(typeof(Seed.argv[2]));
173             if (Seed.argv[2] == null) {
174                 print("NEED ID!");
175                 Seed.quit();
176             
177             }
178             _t.nsdownloadNext(Seed.argv[2]  * 1)
179           
180             
181             if (browsePage) {
182                 print("onload: calling gather links");
183                 TabbedBrowser.browser.current_tab().get_web_view().execute_script(
184                     'BrowserMirror.gatherlinks();'
185                     
186                 );
187                 
188             }
189             
190             
191         };
192
193         var load_committed = function (web_view, web_frame)
194         {
195             update_url(web_view, web_frame);
196         };
197
198         var clicked_link = function (web_view, web_frame, request,
199                                      action, decision, window)
200         {
201             if(action.get_reason() == WebKit.WebNavigationReason.LINK_CLICKED &&
202                action.get_button() == 2)
203             {
204                 browser.new_tab(request.get_uri(), null);
205                 return true;
206             }
207
208             return false;
209         };
210
211         // Public
212         
213         
214         this.browse = function (url)
215         {
216             if(url.search("://") < 0)
217                 url = "http://" + url;
218
219             this.open(url);
220         };
221
222         this.set_tab = function (new_tab)
223         {
224             tab = new_tab;
225         };
226
227         this.get_tab = function ()
228         {
229             return tab;
230         };
231
232
233         this.downloadqueue = function()
234         {
235             var filesList = File.list(downloaddir);
236             print("DOWNLOAD QUEUE LENGTH: " + filesList.length);
237             if (!maxQueue || maxQueue < filesList.length) {
238                 maxQueue  = filesList.length;
239             }
240             
241             tab.get_toolbar().set_progress(filesList.length / Math.max(maxQueue, filesList.length ));
242             if (filesList == null || filesList.length == 0  ){
243                 
244                 return false;
245             }  
246             var url = decodeURIComponent(filesList[0]);
247             if (!this.checkdomain(url)) {
248                 print("SKIP (external domain) : " + url);
249                 File.remove(downloaddir + '/' + filesList[0]);
250                 return this.downloadqueue();
251                 
252             }
253             this.downloadhead( url);
254             return true;
255             
256         };
257         
258     
259         this.queuerun = function()
260         {
261             if (this.downloadqueue()) return true;
262             return this.parsequeue();
263         };
264         
265         this.parsequeue = function(){
266             var filesList = File.list(parsedir);
267             if (filesList == null || filesList.length == 0  ){
268                 return false;
269             } 
270             
271             browsePage = decodeURIComponent(filesList[0]);
272             print("parsing page:" + browsePage );
273             this.browse(browsePage);
274             
275              
276             
277             
278             
279             return true;
280         };
281         
282         
283         this.downloadpage = function(link){
284             print("calling download page: " + link);
285             _t.add_inject(); // just in case..
286                 //var url = File.read(__script_path__+"/downloadqueue/"+link);
287             this.execute_script(
288                 "BrowserMirror.downloadpage(" + JSON.stringify(link) +");"
289             );          
290                 
291             
292         };
293  
294         this.downloadhead = function(link){
295             print("calling download head: " + link);
296             _t.add_inject(); // just in case..
297                 //var url = File.read(__script_path__+"/downloadqueue/"+link);
298             this.execute_script(
299                 "BrowserMirror.downloadhead(" + JSON.stringify(link) +");"
300             );          
301                  
302         };
303         var nsqueue = false;
304         this.nsdownloadNext = function()
305         {
306             /*if (nsqueue === false) {
307                 nsqueue = [
308                            //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,
309                            //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,
310                             //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,
311                            //369,363,242,364,241,243,365,246,368,245,367,377,427,
312                            426,250,447,372,249,371,248,370,442,397,129,441,440,116,122,123,125,126,136,115,117,127
313                         ];
314             }
315             
316             if (!nsqueue.length) {
317                 print("DONE");
318                 return;
319             }
320             var pg = nsqueue.shift() ;
321             
322             
323             */
324             
325             //print(typeof(Seed.argv[2]));
326             if (!Seed.argv[2]) {
327                 print("NEED ID!");
328                 Seed.quit();
329             
330             }
331             var pg = Seed.argv[2]  * 1;
332             if ( File.exists( storedir+'/output/' + pg + '.csv')) {
333                 print("DONE : " + storedir+'/output/' + pg + '.csv');
334                 Seed.quit();
335                 return;
336             }
337             
338             var pd = JSON.parse(File.read('/home/alan/.nspasswd'));
339             
340             print("downloadnext : " + pg);
341             this.execute_script(
342                 'NS.login(' +  JSON.stringify(pd.username) + ',' + JSON.stringify(pd.password) + ',' + pg + ' );'
343                 
344             );
345             
346             
347             
348         }
349
350         // Implementation
351         //this.set_scroll_adjustments(null, null);
352         
353         this.signal.title_changed.connect(update_title);
354         this.signal.load_committed.connect(load_committed);
355         this.signal.load_finished.connect(load_finished);
356         this.signal.load_progress_changed.connect(update_progress);
357         
358         // For some reason, this segfaults seed in the instance init closure handler
359         // Once that's fixed, uncommenting the next line will give middle-click-open-in-new tab
360         //this.signal.navigation_policy_decision_requested.connect(clicked_link);
361
362         this.signal.hovering_over_link.connect(hover_link);
363
364         this.signal.create_web_view.connect(create_new_tab);
365         
366         
367          
368         print("ADDing console message sig handler");
369         
370         
371         
372         
373         this.signal.console_message.connect(function(wv, msg, line, sid) {
374             // print('BrowserView.js got ' + msg);
375             var methodname;
376             var ret;
377             try {
378                 ret = JSON.parse(msg);
379             
380             } catch(e) {
381                 print("GOT INVALID message:" + msg)
382                 return true;
383                 
384                 
385             }
386             print("got method : " + ret.method);
387             
388             if (ret.method == 'exit') {
389                 Seed.quit();
390             }
391             
392             
393             if (ret.method == 'nsdownloadpage'){
394                 try { 
395                     var mt = ret.contentType.split(';').shift();
396                 } catch( e) {
397                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
398                     mt='';
399                 }
400                 
401                 switch(mt) {
402                    
403                     case '':
404                         print("CONSOLE GOT BLANK - call download next?");
405                           Seed.quit();
406                          //_t.nsdownloadNext();
407                        // _t.moveToDone(ret.requesturl);
408                         break;
409                     
410                     default:
411                         var info = false;
412                         var info_f = _t.dupeCheck(ret.requesturl);
413                         if (info_f) {
414                             info  = JSON.parse(File.read(info_f));
415                         }
416                          var target  = storedir+'/output/' + ret.filename 
417                          // flag it as done..
418                        
419                         
420                         
421                         
422                         
423                         //File.write(target ,decodeURIComponent(escape(base64.decode( ret.data))));
424                         print("GOT array sized: " + ret.data.length);
425                         
426                         File.writeBinaryArray(target,ret.data);
427                         print("Wrote to file: " + target);
428                         // get next..
429                         return true;
430                         //Seed.quit();
431                         //_t.nsdownloadNext();
432                         
433                         
434                         
435                         break;
436                 }
437                 return true; //???
438             }
439             
440             if (ret.method == 'gatherlinks'){
441                 // flag the page as parsed.
442                 
443                 if (browsePage) {
444                     _t.moveToDone(browsePage);
445                     
446                 }
447                 var sourcePage = browsePage;
448                 browsePage = false;
449                 print(typeof(ret.data));
450                 if (typeof(ret.data) != 'object' ) {
451                     print("GOT INVALID DATA?:" + JSON.stringify(ret,null,4));
452                     ret.data= [];
453                     
454                 }
455                 ret.data.forEach(function(ln) {
456                     if (!ln.href.match(/^http[s]*:\/\//)) {
457                         print("SKIP link: " + ln.href);
458                         return;
459                     }
460                     ln.href= ln.href.replace(/#.*$/,'');
461                     
462                     if (!_t.checkdomain(ln.href) ) {
463                         print("SKIP link (external domain): " + ln.href);
464                         return;
465                     }
466                     
467                     // this is just for our purposes..
468                     
469                     if (ln.href.match(/\/pages\/[0-9]+$/)) {
470                         print("SKIP link (ingore unnamed pages): " + ln.href);
471                         return;
472                     }
473                     
474                     
475                     
476                     var fn = encodeURIComponent(ln.href);
477                     
478                     var dupe  = _t.dupeCheck(ln.href);
479                     if (dupe) {
480                         
481                         if (dupe == downloaddir + '/'  + fn) {
482                             var info = JSON.parse(File.read(dupe));
483                             if (info && info.fromUrl && info.fromUrl.length > sourcePage.length) {
484                                 print("SKIP link (in queue already): " + ln.href);
485                                 return;
486                             }
487                             print("found a longer link for url")
488                         } else {
489                             print("SKIP link (in another queue): " + ln.href);
490                             return;
491                         }
492                     }
493                      
494                     File.write(downloaddir + '/'  + fn, JSON.stringify( {
495                         label : ln.label,
496                         fromURL : sourcePage
497                     })); // write an empyt file indicating it needs downloading..
498                 });         
499                 var filesList = File.list(downloaddir);
500             
501                 maxQueue =  filesList.length;
502             }
503             
504             if (ret.method == 'downloadpage'){
505                 // got the results from download page:
506                 // requesturl 
507                 // remove from downloadqueue.
508              
509                 
510                 //
511                 try { 
512                     var mt = ret.contentType.split(';').shift();
513                 } catch( e) {
514                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
515                     mt='';
516                 }
517                 
518                 switch(mt) {
519                    
520                     case '':
521                         _t.moveToDone(ret.requesturl);
522                         break;
523                     
524                     default:
525                         var info = false;
526                         var info_f = _t.dupeCheck(ret.requesturl);
527                         if (info_f) {
528                             info  = JSON.parse(File.read(info_f));
529                         }
530                     
531                         _t.moveToDone(ret.requesturl);
532                         // flag it as done..
533                        
534                         // write it...
535                         var target  = _t.toFilename(ret.requesturl);
536                         if (info && info.fromURL) {
537                             var bn = decodeURIComponent(File.basename(target));
538                             target = _t.toFilename(info.fromURL+'/'+ bn);
539                         }
540                         
541                         
542                         
543                         
544                         //File.write(target ,decodeURIComponent(escape(base64.decode( ret.data))));
545                         print("GOT array sized: " + ret.data.length);
546                         
547                         File.writeBinaryArray(target,ret.data);
548                         print("Wrote to file: " + target);
549                         break;
550                 }
551                 
552                 // if it's HTML then add it to parse queue
553                 // otehrwise save it.. and run the queue again.
554                
555                 
556                 //File.write(storedir+"/parsequeue/"+Math.random(), msg);
557             }
558             
559            
560             if (ret.method == 'downloadhead'){
561                 // got the results from download page:
562                 // requesturl 
563                 // remove from downloadqueue.
564                 
565                 //
566                 try { 
567                     var mt = ret.contentType.split(';').shift();
568                 } catch( e) {
569                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
570                     mt='';
571                 }
572                 
573                 switch(mt) {
574                     case 'text/html':
575                         // add to parse QUEUE..
576                         print("moving to parse queue");
577                         _t.moveToParse(ret.requesturl);
578                         break;
579                     // stuf we do not care about..
580                     case 'application/atom+xml':
581                     case '':
582                         print("moving to done queue");
583                          _t.moveToDone(ret.requesturl);
584                         break;
585                     
586                     default:
587                         print("calling download file");
588                         _t.downloadpage( ret.requesturl );
589                         // keep it on the queue..
590                         // do not run the queue..
591                         return true;
592                      
593                 }
594                 
595                 // if it's HTML then add it to parse queue
596                 // otehrwise save it.. and run the queue again.
597                
598                 
599                 //File.write(storedir+"/parsequeue/"+Math.random(), msg);
600             }
601             _t.queuerun();
602             
603             return true;
604         });
605         
606         
607         this.toFilename = function(url)
608         {
609             url = url.replace(/^http[s]*:\/\//, '');
610             var p = url.split('/');
611             p.unshift(storedir+'/output');
612             for (var i =1 ;i < p.length; i++) {
613                 p[i] = encodeURIComponent(p[i]);
614             
615             }
616             p[p.length-1] = decodeURIComponent(p[p.length-1]);
617             ret = p.join('/');
618             var dir = File.dirname(ret);
619             File.mkdirall(dir);
620             return ret;
621             
622         }
623         this.checkdomain = function(comp)
624         {
625             var b = parseUri(this.uri);
626             var d = parseUri(comp);
627             return (d.host == b.host && d.protocol == b.protocol);
628             
629             
630         }
631         
632         this.dupeCheck = function(url)
633         {
634             
635            // order - return highest up the queue first..
636             if (File.exists(downloaddir +'/' + encodeURIComponent(url))) {
637                 return downloaddir +'/' + encodeURIComponent(url);
638             }
639              if (File.exists(parsedir +'/' + encodeURIComponent(url))) {
640                 return parsedir +'/' + encodeURIComponent(url);
641             }
642             if (File.exists(donedir +'/' + encodeURIComponent(url))) {
643                 return donedir +'/' + encodeURIComponent(url);
644             }
645             return  false;
646             
647             
648         }
649         this.moveToParse = function(url)
650         {
651             var old = this.dupeCheck(url);
652             var target =parsedir +'/' + encodeURIComponent(url);
653             if (old == target) {
654                 return;
655             }
656             File.write(target, old ? File.read(old) : '');
657             if (old) {
658                 File.remove(old);
659             }
660             
661         }
662         
663         this.moveToDownload= function(url)
664         {
665             var old = this.dupeCheck(url);
666             var target =downloaddir +'/' + encodeURIComponent(url);
667             if (old == target) {
668                 return;
669             }
670             File.write(target, old ? File.read(old) : '');
671             if (old) {
672                 File.remove(old);
673             }
674             
675         }
676         this.moveToDone= function(url)
677         {
678             var old = this.dupeCheck(url);
679             var target = donedir +'/' + encodeURIComponent(url);
680             if (old == target) {
681                 return;
682             }
683             File.write(target, old ? File.read(old) : '');
684             if (old) {
685                 File.remove(old);
686             }
687             
688         }
689         
690     }
691 });
692
693 function parseUri (str) {
694         var     o   = parseUri.options,
695                 m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
696                 uri = {},
697                 i   = 14;
698
699         while (i--) uri[o.key[i]] = m[i] || "";
700
701         uri[o.q.name] = {};
702         uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
703                 if ($1) uri[o.q.name][$1] = $2;
704         });
705
706         return uri;
707 };
708
709 parseUri.options = {
710         strictMode: false,
711         key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
712         q:   {
713                 name:   "queryKey",
714                 parser: /(?:^|&)([^&=]*)=?([^&]*)/g
715         },
716         parser: {
717                 strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
718                 loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
719         }
720 };