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, 2000, function() { 
138                  
139 //                _t.open("http://sg.lifestyleasia.com/videos/video-british-polo-day-singapore-2012/");
140                 var mf = _t.get_main_frame();
141                 var p = new Gtk.PrintOperation({ export_filename : '/home/chris/test_pdf/test2.pdf' });
142                 
143                 mf.print_full(p, Gtk.PrintOperationAction.PREVIEW)
144                 //Seed.quit();
145             });
146             
147             return;
148             tab.get_toolbar().set_progress(0);
149             
150             _t.add_inject(true);
151           
152             _t.add_nsinject(true);
153               print(typeof(Seed.argv[2]));
154             if (Seed.argv[2] == null) {
155                 print("NEED ID!");
156                 Seed.quit();
157             
158             }
159             _t.nsdownloadNext(Seed.argv[2]  * 1)
160           
161             
162             if (browsePage) {
163                 print("onload: calling gather links");
164                 TabbedBrowser.browser.current_tab().get_web_view().execute_script(
165                     'BrowserMirror.gatherlinks();'
166                     
167                 );
168                 
169             }
170             
171             
172         };
173
174         var load_committed = function (web_view, web_frame)
175         {
176             update_url(web_view, web_frame);
177         };
178
179         var clicked_link = function (web_view, web_frame, request,
180                                      action, decision, window)
181         {
182             if(action.get_reason() == WebKit.WebNavigationReason.LINK_CLICKED &&
183                action.get_button() == 2)
184             {
185                 browser.new_tab(request.get_uri(), null);
186                 return true;
187             }
188
189             return false;
190         };
191
192         // Public
193         
194         
195         this.browse = function (url)
196         {
197             if(url.search("://") < 0)
198                 url = "http://" + url;
199
200             this.open(url);
201         };
202
203         this.set_tab = function (new_tab)
204         {
205             tab = new_tab;
206         };
207
208         this.get_tab = function ()
209         {
210             return tab;
211         };
212
213
214         this.downloadqueue = function()
215         {
216             var filesList = File.list(downloaddir);
217             print("DOWNLOAD QUEUE LENGTH: " + filesList.length);
218             if (!maxQueue || maxQueue < filesList.length) {
219                 maxQueue  = filesList.length;
220             }
221             
222             tab.get_toolbar().set_progress(filesList.length / Math.max(maxQueue, filesList.length ));
223             if (filesList == null || filesList.length == 0  ){
224                 
225                 return false;
226             }  
227             var url = decodeURIComponent(filesList[0]);
228             if (!this.checkdomain(url)) {
229                 print("SKIP (external domain) : " + url);
230                 File.remove(downloaddir + '/' + filesList[0]);
231                 return this.downloadqueue();
232                 
233             }
234             this.downloadhead( url);
235             return true;
236             
237         };
238         
239     
240         this.queuerun = function()
241         {
242             if (this.downloadqueue()) return true;
243             return this.parsequeue();
244         };
245         
246         this.parsequeue = function(){
247             var filesList = File.list(parsedir);
248             if (filesList == null || filesList.length == 0  ){
249                 return false;
250             } 
251             
252             browsePage = decodeURIComponent(filesList[0]);
253             print("parsing page:" + browsePage );
254             this.browse(browsePage);
255             
256              
257             
258             
259             
260             return true;
261         };
262         
263         
264         this.downloadpage = function(link){
265             print("calling download page: " + link);
266             _t.add_inject(); // just in case..
267                 //var url = File.read(__script_path__+"/downloadqueue/"+link);
268             this.execute_script(
269                 "BrowserMirror.downloadpage(" + JSON.stringify(link) +");"
270             );          
271                 
272             
273         };
274  
275         this.downloadhead = function(link){
276             print("calling download head: " + link);
277             _t.add_inject(); // just in case..
278                 //var url = File.read(__script_path__+"/downloadqueue/"+link);
279             this.execute_script(
280                 "BrowserMirror.downloadhead(" + JSON.stringify(link) +");"
281             );          
282                  
283         };
284         var nsqueue = false;
285         this.nsdownloadNext = function()
286         {
287             /*if (nsqueue === false) {
288                 nsqueue = [
289                            //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,
290                            //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,
291                             //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,
292                            //369,363,242,364,241,243,365,246,368,245,367,377,427,
293                            426,250,447,372,249,371,248,370,442,397,129,441,440,116,122,123,125,126,136,115,117,127
294                         ];
295             }
296             
297             if (!nsqueue.length) {
298                 print("DONE");
299                 return;
300             }
301             var pg = nsqueue.shift() ;
302             
303             
304             */
305             
306             //print(typeof(Seed.argv[2]));
307             if (!Seed.argv[2]) {
308                 print("NEED ID!");
309                 Seed.quit();
310             
311             }
312             var pg = Seed.argv[2]  * 1;
313             if ( File.exists( storedir+'/output/' + pg + '.csv')) {
314                 print("DONE : " + storedir+'/output/' + pg + '.csv');
315                 Seed.quit();
316                 return;
317             }
318             
319             var pd = JSON.parse(File.read('/home/alan/.nspasswd'));
320             
321             print("downloadnext : " + pg);
322             this.execute_script(
323                 'NS.login(' +  JSON.stringify(pd.username) + ',' + JSON.stringify(pd.password) + ',' + pg + ' );'
324                 
325             );
326             
327             
328             
329         }
330
331         // Implementation
332         //this.set_scroll_adjustments(null, null);
333         
334         this.signal.title_changed.connect(update_title);
335         this.signal.load_committed.connect(load_committed);
336         this.signal.load_finished.connect(load_finished);
337         this.signal.load_progress_changed.connect(update_progress);
338         
339         // For some reason, this segfaults seed in the instance init closure handler
340         // Once that's fixed, uncommenting the next line will give middle-click-open-in-new tab
341         //this.signal.navigation_policy_decision_requested.connect(clicked_link);
342
343         this.signal.hovering_over_link.connect(hover_link);
344
345         this.signal.create_web_view.connect(create_new_tab);
346         
347          var ar = Gtk.PaperSize.get_paper_sizes();
348          print(ar);
349         print("ADDing console message sig handler");
350         
351         
352         
353         
354         this.signal.console_message.connect(function(wv, msg, line, sid) {
355             // print('BrowserView.js got ' + msg);
356             var methodname;
357             var ret;
358             try {
359                 ret = JSON.parse(msg);
360             
361             } catch(e) {
362                 print("GOT INVALID message:" + msg)
363                 return true;
364                 
365                 
366             }
367             print("got method : " + ret.method);
368             
369             if (ret.method == 'exit') {
370                 Seed.quit();
371             }
372             
373             
374             if (ret.method == 'nsdownloadpage'){
375                 try { 
376                     var mt = ret.contentType.split(';').shift();
377                 } catch( e) {
378                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
379                     mt='';
380                 }
381                 
382                 switch(mt) {
383                    
384                     case '':
385                         print("CONSOLE GOT BLANK - call download next?");
386                           Seed.quit();
387                          //_t.nsdownloadNext();
388                        // _t.moveToDone(ret.requesturl);
389                         break;
390                     
391                     default:
392                         var info = false;
393                         var info_f = _t.dupeCheck(ret.requesturl);
394                         if (info_f) {
395                             info  = JSON.parse(File.read(info_f));
396                         }
397                          var target  = storedir+'/output/' + ret.filename 
398                          // flag it as done..
399                        
400                         
401                         
402                         
403                         
404                         //File.write(target ,decodeURIComponent(escape(base64.decode( ret.data))));
405                         print("GOT array sized: " + ret.data.length);
406                         
407                         File.writeBinaryArray(target,ret.data);
408                         print("Wrote to file: " + target);
409                         // get next..
410                         return true;
411                         //Seed.quit();
412                         //_t.nsdownloadNext();
413                         
414                         
415                         
416                         break;
417                 }
418                 return true; //???
419             }
420             
421             if (ret.method == 'gatherlinks'){
422                 // flag the page as parsed.
423                 
424                 if (browsePage) {
425                     _t.moveToDone(browsePage);
426                     
427                 }
428                 var sourcePage = browsePage;
429                 browsePage = false;
430                 print(typeof(ret.data));
431                 if (typeof(ret.data) != 'object' ) {
432                     print("GOT INVALID DATA?:" + JSON.stringify(ret,null,4));
433                     ret.data= [];
434                     
435                 }
436                 ret.data.forEach(function(ln) {
437                     if (!ln.href.match(/^http[s]*:\/\//)) {
438                         print("SKIP link: " + ln.href);
439                         return;
440                     }
441                     ln.href= ln.href.replace(/#.*$/,'');
442                     
443                     if (!_t.checkdomain(ln.href) ) {
444                         print("SKIP link (external domain): " + ln.href);
445                         return;
446                     }
447                     
448                     // this is just for our purposes..
449                     
450                     if (ln.href.match(/\/pages\/[0-9]+$/)) {
451                         print("SKIP link (ingore unnamed pages): " + ln.href);
452                         return;
453                     }
454                     
455                     
456                     
457                     var fn = encodeURIComponent(ln.href);
458                     
459                     var dupe  = _t.dupeCheck(ln.href);
460                     if (dupe) {
461                         
462                         if (dupe == downloaddir + '/'  + fn) {
463                             var info = JSON.parse(File.read(dupe));
464                             if (info && info.fromUrl && info.fromUrl.length > sourcePage.length) {
465                                 print("SKIP link (in queue already): " + ln.href);
466                                 return;
467                             }
468                             print("found a longer link for url")
469                         } else {
470                             print("SKIP link (in another queue): " + ln.href);
471                             return;
472                         }
473                     }
474                      
475                     File.write(downloaddir + '/'  + fn, JSON.stringify( {
476                         label : ln.label,
477                         fromURL : sourcePage
478                     })); // write an empyt file indicating it needs downloading..
479                 });         
480                 var filesList = File.list(downloaddir);
481             
482                 maxQueue =  filesList.length;
483             }
484             
485             if (ret.method == 'downloadpage'){
486                 // got the results from download page:
487                 // requesturl 
488                 // remove from downloadqueue.
489              
490                 
491                 //
492                 try { 
493                     var mt = ret.contentType.split(';').shift();
494                 } catch( e) {
495                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
496                     mt='';
497                 }
498                 
499                 switch(mt) {
500                    
501                     case '':
502                         _t.moveToDone(ret.requesturl);
503                         break;
504                     
505                     default:
506                         var info = false;
507                         var info_f = _t.dupeCheck(ret.requesturl);
508                         if (info_f) {
509                             info  = JSON.parse(File.read(info_f));
510                         }
511                     
512                         _t.moveToDone(ret.requesturl);
513                         // flag it as done..
514                        
515                         // write it...
516                         var target  = _t.toFilename(ret.requesturl);
517                         if (info && info.fromURL) {
518                             var bn = decodeURIComponent(File.basename(target));
519                             target = _t.toFilename(info.fromURL+'/'+ bn);
520                         }
521                         
522                         
523                         
524                         
525                         //File.write(target ,decodeURIComponent(escape(base64.decode( ret.data))));
526                         print("GOT array sized: " + ret.data.length);
527                         
528                         File.writeBinaryArray(target,ret.data);
529                         print("Wrote to file: " + target);
530                         break;
531                 }
532                 
533                 // if it's HTML then add it to parse queue
534                 // otehrwise save it.. and run the queue again.
535                
536                 
537                 //File.write(storedir+"/parsequeue/"+Math.random(), msg);
538             }
539             
540            
541             if (ret.method == 'downloadhead'){
542                 // got the results from download page:
543                 // requesturl 
544                 // remove from downloadqueue.
545                 
546                 //
547                 try { 
548                     var mt = ret.contentType.split(';').shift();
549                 } catch( e) {
550                     print("INVALID CONTENT TYPE? \n" + JSON.stringify(ret));
551                     mt='';
552                 }
553                 
554                 switch(mt) {
555                     case 'text/html':
556                         // add to parse QUEUE..
557                         print("moving to parse queue");
558                         _t.moveToParse(ret.requesturl);
559                         break;
560                     // stuf we do not care about..
561                     case 'application/atom+xml':
562                     case '':
563                         print("moving to done queue");
564                          _t.moveToDone(ret.requesturl);
565                         break;
566                     
567                     default:
568                         print("calling download file");
569                         _t.downloadpage( ret.requesturl );
570                         // keep it on the queue..
571                         // do not run the queue..
572                         return true;
573                      
574                 }
575                 
576                 // if it's HTML then add it to parse queue
577                 // otehrwise save it.. and run the queue again.
578                
579                 
580                 //File.write(storedir+"/parsequeue/"+Math.random(), msg);
581             }
582             _t.queuerun();
583             
584             return true;
585         });
586         
587         
588         this.toFilename = function(url)
589         {
590             url = url.replace(/^http[s]*:\/\//, '');
591             var p = url.split('/');
592             p.unshift(storedir+'/output');
593             for (var i =1 ;i < p.length; i++) {
594                 p[i] = encodeURIComponent(p[i]);
595             
596             }
597             p[p.length-1] = decodeURIComponent(p[p.length-1]);
598             ret = p.join('/');
599             var dir = File.dirname(ret);
600             File.mkdirall(dir);
601             return ret;
602             
603         }
604         this.checkdomain = function(comp)
605         {
606             var b = parseUri(this.uri);
607             var d = parseUri(comp);
608             return (d.host == b.host && d.protocol == b.protocol);
609             
610             
611         }
612         
613         this.dupeCheck = function(url)
614         {
615             
616            // order - return highest up the queue first..
617             if (File.exists(downloaddir +'/' + encodeURIComponent(url))) {
618                 return downloaddir +'/' + encodeURIComponent(url);
619             }
620              if (File.exists(parsedir +'/' + encodeURIComponent(url))) {
621                 return parsedir +'/' + encodeURIComponent(url);
622             }
623             if (File.exists(donedir +'/' + encodeURIComponent(url))) {
624                 return donedir +'/' + encodeURIComponent(url);
625             }
626             return  false;
627             
628             
629         }
630         this.moveToParse = function(url)
631         {
632             var old = this.dupeCheck(url);
633             var target =parsedir +'/' + encodeURIComponent(url);
634             if (old == target) {
635                 return;
636             }
637             File.write(target, old ? File.read(old) : '');
638             if (old) {
639                 File.remove(old);
640             }
641             
642         }
643         
644         this.moveToDownload= function(url)
645         {
646             var old = this.dupeCheck(url);
647             var target =downloaddir +'/' + encodeURIComponent(url);
648             if (old == target) {
649                 return;
650             }
651             File.write(target, old ? File.read(old) : '');
652             if (old) {
653                 File.remove(old);
654             }
655             
656         }
657         this.moveToDone= function(url)
658         {
659             var old = this.dupeCheck(url);
660             var target = donedir +'/' + encodeURIComponent(url);
661             if (old == target) {
662                 return;
663             }
664             File.write(target, old ? File.read(old) : '');
665             if (old) {
666                 File.remove(old);
667             }
668             
669         }
670         
671     }
672 });
673
674 function parseUri (str) {
675         var     o   = parseUri.options,
676                 m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
677                 uri = {},
678                 i   = 14;
679
680         while (i--) uri[o.key[i]] = m[i] || "";
681
682         uri[o.q.name] = {};
683         uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
684                 if ($1) uri[o.q.name][$1] = $2;
685         });
686
687         return uri;
688 };
689
690 parseUri.options = {
691         strictMode: false,
692         key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
693         q:   {
694                 name:   "queryKey",
695                 parser: /(?:^|&)([^&=]*)=?([^&]*)/g
696         },
697         parser: {
698                 strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
699                 loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
700         }
701 };