https://130.com.ua/published/SC/html/scripts/js/JsHttpRequest.js

1/**
2 * JsHttpRequest: JavaScript "AJAX" data loader
3 * Minimized version: see debug directory for the complete one.
4 *
5 * @license LGPL
6 * @author Dmitry Koterov, http://en.dklab.ru/lib/JsHttpRequest/
7 * @version 5.x $Id$
8 */
9function JsHttpRequest(){
10var t=this;
11t.onreadystatechange=null;
12t.readyState=0;
13t.responseText=null;
14t.responseXML=null;
15t.status=200;
16t.statusText="OK";
17t.responseJS=null;
18t.caching=false;
19t.loader=null;
20t.session_name="PHPSESSID";
21t._ldObj=null;
22t._reqHeaders=[];
23t._openArgs=null;
24t._errors={inv_form_el:"Invalid FORM element detected: name=%, tag=%",must_be_single_el:"If used, <form> must be a single HTML element in the list.",js_invalid:"JavaScript code generated by backend is invalid!\n%",url_too_long:"Cannot use so long query with GET request (URL is larger than % bytes)",unk_loader:"Unknown loader: %",no_loaders:"No loaders registered at all, please check JsHttpRequest.LOADERS array",no_loader_matched:"Cannot find a loader which may process the request. Notices are:\n%",no_headers:"Method setRequestHeader() cannot work together with the % loader."};
25t.abort=function(){
26with(this){
27if(_ldObj&&_ldObj.abort){
28_ldObj.abort();
29}
30_cleanup();
31if(readyState==0){
32return;
33}
34if(readyState==1&&!_ldObj){
35readyState=0;
36return;
37}
38_changeReadyState(4,true);
39}
40};
41t.open=function(_2,_3,_4,_5,_6){
42with(this){
43try{
44if(document.location.search.match(new RegExp("[&?]"+session_name+"=([^&?]*)"))||document.cookie.match(new RegExp("(?:;|^)\\s*"+session_name+"=([^;]*)"))){
45_3+=(_3.indexOf("?")>=0?"&":"?")+session_name+"="+this.escape(RegExp.$1);
46}
47}
48catch(e){
49}
50_openArgs={method:(_2||"GET").toUpperCase(),url:_3,asyncFlag:_4,username:_5!=null?_5:"",password:_6!=null?_6:""};
51_ldObj=null;
52_changeReadyState(1,true);
53return true;
54}
55};
56t.send=function(_7){
57if(!this.readyState){
58return;
59}
60this._changeReadyState(1,true);
61this._ldObj=null;
62var _8=[];
63var _9=[];
64if(!this._hash2query(_7,null,_8,_9)){
65return;
66}
67var _a=null;
68if(this.caching&&!_9.length){
69_a=this._openArgs.username+":"+this._openArgs.password+"@"+this._openArgs.url+"|"+_8+"#"+this._openArgs.method;
70var _b=JsHttpRequest.CACHE[_a];
71if(_b){
72this._dataReady(_b[0],_b[1]);
73return false;
74}
75}
76var _c=(this.loader||"").toLowerCase();
77if(_c&&!JsHttpRequest.LOADERS[_c]){
78return this._error("unk_loader",_c);
79}
80var _d=[];
81var _e=JsHttpRequest.LOADERS;
82for(var _f in _e){
83var ldr=_e[_f].loader;
84if(!ldr){
85continue;
86}
87if(_c&&_f!=_c){
88continue;
89}
90var _11=new ldr(this);
91JsHttpRequest.extend(_11,this._openArgs);
92JsHttpRequest.extend(_11,{queryText:_8.join("&"),queryElem:_9,id:(new Date().getTime())+""+JsHttpRequest.COUNT++,hash:_a,span:null});
93var _12=_11.load();
94if(!_12){
95this._ldObj=_11;
96JsHttpRequest.PENDING[_11.id]=this;
97return true;
98}
99if(!_c){
100_d[_d.length]="- "+_f.toUpperCase()+": "+this._l(_12);
101}else{
102return this._error(_12);
103}
104}
105return _f?this._error("no_loader_matched",_d.join("\n")):this._error("no_loaders");
106};
107t.getAllResponseHeaders=function(){
108with(this){
109return _ldObj&&_ldObj.getAllResponseHeaders?_ldObj.getAllResponseHeaders():[];
110}
111};
112t.getResponseHeader=function(_13){
113with(this){
114return _ldObj&&_ldObj.getResponseHeader?_ldObj.getResponseHeader():[];
115}
116};
117t.setRequestHeader=function(_14,_15){
118with(this){
119_reqHeaders[_reqHeaders.length]=[_14,_15];
120}
121};
122t._dataReady=function(_16,js){
123with(this){
124if(caching&&_ldObj){
125JsHttpRequest.CACHE[_ldObj.hash]=[_16,js];
126}
127if(_16!==null||js!==null){
128status=4;
129responseText=responseXML=_16;
130responseJS=js;
131}else{
132status=500;
133responseText=responseXML=responseJS=null;
134}
135_changeReadyState(2);
136_changeReadyState(3);
137_changeReadyState(4);
138_cleanup();
139}
140};
141t._l=function(_18){
142var i=0,p=0,msg=this._errors[_18[0]];
143while((p=msg.indexOf("%",p))>=0){
144var a=_18[++i]+"";
145msg=msg.substring(0,p)+a+msg.substring(p+1,msg.length);
146p+=1+a.length;
147}
148return msg;
149};
150t._error=function(msg){
151msg=this._l(typeof (msg)=="string"?arguments:msg);
152msg="JsHttpRequest: "+msg;
153if(!window.Error){
154throw msg;
155}else{
156if((new Error(1,"test")).description=="test"){
157throw new Error(1,msg);
158}else{
159throw new Error(msg);
160}
161}
162};
163t._hash2query=function(_1e,_1f,_20,_21){
164if(_1f==null){
165_1f="";
166}
167if((""+typeof (_1e)).toLowerCase()=="object"){
168var _22=false;
169if(_1e&&_1e.parentNode&&_1e.parentNode.appendChild&&_1e.tagName&&_1e.tagName.toUpperCase()=="FORM"){
170_1e={form:_1e};
171}
172for(var k in _1e){
173var v=_1e[k];
174if(v instanceof Function){
175continue;
176}
177var _25=_1f?_1f+"["+this.escape(k)+"]":this.escape(k);
178var _26=v&&v.parentNode&&v.parentNode.appendChild&&v.tagName;
179if(_26){
180var tn=v.tagName.toUpperCase();
181if(tn=="FORM"){
182_22=true;
183}else{
184if(tn=="INPUT"||tn=="TEXTAREA"||tn=="SELECT"){
185}else{
186return this._error("inv_form_el",(v.name||""),v.tagName);
187}
188}
189_21[_21.length]={name:_25,e:v};
190}else{
191if(v instanceof Object){
192this._hash2query(v,_25,_20,_21);
193}else{
194if(v===null){
195continue;
196}
197if(v===true){
198v=1;
199}
200if(v===false){
201v="";
202}
203_20[_20.length]=_25+"="+this.escape(""+v);
204}
205}
206if(_22&&_21.length>1){
207return this._error("must_be_single_el");
208}
209}
210}else{
211_20[_20.length]=_1e;
212}
213return true;
214};
215t._cleanup=function(){
216var _28=this._ldObj;
217if(!_28){
218return;
219}
220JsHttpRequest.PENDING[_28.id]=false;
221var _29=_28.span;
222if(!_29){
223return;
224}
225_28.span=null;
226var _2a=function(){
227_29.parentNode.removeChild(_29);
228};
229JsHttpRequest.setTimeout(_2a,50);
230};
231t._changeReadyState=function(s,_2c){
232with(this){
233if(_2c){
234status=statusText=responseJS=null;
235responseText="";
236}
237readyState=s;
238if(onreadystatechange){
239onreadystatechange();
240}
241}
242};
243t.escape=function(s){
244return escape(s).replace(new RegExp("\\+","g"),"%2B");
245};
246}
247JsHttpRequest.COUNT=0;
248JsHttpRequest.MAX_URL_LEN=2000;
249JsHttpRequest.CACHE={};
250JsHttpRequest.PENDING={};
251JsHttpRequest.LOADERS={};
252JsHttpRequest._dummy=function(){
253};
254JsHttpRequest.TIMEOUTS={s:window.setTimeout,c:window.clearTimeout};
255JsHttpRequest.setTimeout=function(_2e,dt){
256window.JsHttpRequest_tmp=JsHttpRequest.TIMEOUTS.s;

257if(typeof (_2e)=="string"){
258id=window.JsHttpRequest_tmp(_2e,dt);
259}else{
260var id=null;
261var _31=function(){
262_2e();
263delete JsHttpRequest.TIMEOUTS[id];
264};
265id=window.JsHttpRequest_tmp(_31,dt);
266JsHttpRequest.TIMEOUTS[id]=_31;
267}
268window.JsHttpRequest_tmp=null;
269return id;
270};
271JsHttpRequest.clearTimeout=function(id){
272window.JsHttpRequest_tmp=JsHttpRequest.TIMEOUTS.c;
273delete JsHttpRequest.TIMEOUTS[id];
274var r=window.JsHttpRequest_tmp(id);
275window.JsHttpRequest_tmp=null;
276return r;
277};
278JsHttpRequest.query=function(url,_35,_36,_37){
279var req=new this();
280req.caching=!_37;
281req.onreadystatechange=function(){
282if(req.readyState==4){
283_36(req.responseJS,req.responseText);
284}
285};
286var _39=null;
287if(url.match(/^((\w+)\.)?(GET|POST)\s+(.*)/i)){
288req.loader=RegExp.$2?RegExp.$2:null;
289_39=RegExp.$3;
290url=RegExp.$4;
291}
292req.open(_39,url,true);
293req.send(_35);
294};
295JsHttpRequest.dataReady=function(d){
296var th=this.PENDING[d.id];
297delete this.PENDING[d.id];
298if(th){
299th._dataReady(d.text,d.js);
300}else{
301if(th!==false){
302throw "dataReady(): unknown pending id: "+d.id;
303}
304}
305};
306JsHttpRequest.extend=function(_3c,src){
307for(var k in src){
308_3c[k]=src[k];
309}
310};
311JsHttpRequest.LOADERS.xml={loader:function(req){
312JsHttpRequest.extend(req._errors,{xml_no:"Cannot use XMLHttpRequest or ActiveX loader: not supported",xml_no_diffdom:"Cannot use XMLHttpRequest to load data from different domain %",xml_no_headers:"Cannot use XMLHttpRequest loader or ActiveX loader, POST method: headers setting is not supported, needed to work with encodings correctly",xml_no_form_upl:"Cannot use XMLHttpRequest loader: direct form elements using and uploading are not implemented"});
313this.load=function(){
314if(this.queryElem.length){
315return ["xml_no_form_upl"];
316}
317if(this.url.match(new RegExp("^([a-z]+)://([^\\/]+)(.*)","i"))){
318if(RegExp.$2.toLowerCase()==document.location.hostname.toLowerCase()){
319this.url=RegExp.$3;
320}else{
321return ["xml_no_diffdom",RegExp.$2];
322}
323}
324var xr=null;
325if(window.XMLHttpRequest){
326try{
327xr=new XMLHttpRequest();
328}
329catch(e){
330}
331}else{
332if(window.ActiveXObject){
333try{
334xr=new ActiveXObject("Microsoft.XMLHTTP");
335}
336catch(e){
337}
338if(!xr){
339try{
340xr=new ActiveXObject("Msxml2.XMLHTTP");
341}
342catch(e){
343}
344}
345}
346}
347if(!xr){
348return ["xml_no"];
349}
350var _41=window.ActiveXObject||xr.setRequestHeader;
351if(!this.method){
352this.method=_41?"POST":"GET";
353}
354if(this.method=="GET"){
355if(this.queryText){
356this.url+=(this.url.indexOf("?")>=0?"&":"?")+this.queryText;
357}
358this.queryText="";
359if(this.url.length>JsHttpRequest.MAX_URL_LEN){
360return ["url_too_long",JsHttpRequest.MAX_URL_LEN];
361}
362}else{
363if(this.method=="POST"&&!_41){
364return ["xml_no_headers"];
365}
366}
367this.url+=(this.url.indexOf("?")>=0?"&":"?")+"JsHttpRequest="+(req.caching?"0":this.id)+"-xml";
368var id=this.id;
369xr.onreadystatechange=function(){
370if(xr.readyState!=4){
371return;
372}
373xr.onreadystatechange=JsHttpRequest._dummy;
374req.status=null;
375try{
376req.status=xr.status;
377req.responseText=xr.responseText;
378}
379catch(e){
380}
381if(!req.status){
382return;
383}
384try{
385eval("JsHttpRequest._tmp = function(id) { var d = "+req.responseText+"; d.id = id; JsHttpRequest.dataReady(d); }");
386}
387catch(e){
388return req._error("js_invalid",req.responseText);
389}
390JsHttpRequest._tmp(id);
391JsHttpRequest._tmp=null;
392};
393xr.open(this.method,this.url,true,this.username,this.password);
394if(_41){
395for(var i=0;i<req._reqHeaders.length;i++){
396xr.setRequestHeader(req._reqHeaders[i][0],req._reqHeaders[i][1]);
397}
398xr.setRequestHeader("Content-Type","application/octet-stream");
399}
400xr.send(this.queryText);
401this.span=null;
402this.xr=xr;
403return null;
404};
405this.getAllResponseHeaders=function(){
406return this.xr.getAllResponseHeaders();
407};
408this.getResponseHeader=function(_44){
409return this.xr.getResponseHeader(_44);
410};
411this.abort=function(){
412this.xr.abort();
413this.xr=null;
414};
415}};
416JsHttpRequest.LOADERS.script={loader:function(req){
417JsHttpRequest.extend(req._errors,{script_only_get:"Cannot use SCRIPT loader: it supports only GET method",script_no_form:"Cannot use SCRIPT loader: direct form elements using and uploading are not implemented"});
418this.load=function(){
419if(this.queryText){
420this.url+=(this.url.indexOf("?")>=0?"&":"?")+this.queryText;
421}
422this.url+=(this.url.indexOf("?")>=0?"&":"?")+"JsHttpRequest="+this.id+"-"+"script";
423this.queryText="";
424if(!this.method){
425this.method="GET";
426}
427if(this.method!=="GET"){
428return ["script_only_get"];
429}
430if(this.queryElem.length){
431return ["script_no_form"];
432}
433if(this.url.length>JsHttpRequest.MAX_URL_LEN){
434return ["url_too_long",JsHttpRequest.MAX_URL_LEN];
435}
436if(req._reqHeaders.length){
437return ["no_headers","SCRIPT"];
438}
439var th=this,d=document,s=null,b=d.body;
440if(!window.opera){
441this.span=s=d.createElement("SCRIPT");
442var _4a=function(){
443s.language="JavaScript";
444if(s.setAttribute){
445s.setAttribute("src",th.url);
446}else{
447s.src=th.url;
448}
449b.insertBefore(s,b.lastChild);
450};
451}else{
452this.span=s=d.createElement("SPAN");
453s.style.display="none";
454b.insertBefore(s,b.lastChild);
455s.innerHTML="Workaround for IE.<s"+"cript></"+"script>";
456var _4a=function(){
457s=s.getElementsByTagName("SCRIPT")[0];
458s.language="JavaScript";
459if(s.setAttribute){
460s.setAttribute("src",th.url);
461}else{
462s.src=th.url;
463}
464};
465}
466JsHttpRequest.setTimeout(_4a,10);
467return null;
468};
469}};
470JsHttpRequest.LOADERS.form={loader:function(req){
471JsHttpRequest.extend(req._errors,{form_el_not_belong:"Element \"%\" does not belong to any form!",form_el_belong_diff:"Element \"%\" belongs to a different form. All elements must belong to the same form!",form_el_inv_enctype:"Attribute \"enctype\" of the form must be \"%\" (for IE), \"%\" given."});
472this.load=function(){
473var th=this;
474if(!th.method){
475th.method="POST";
476}
477th.url+=(th.url.indexOf("?")>=0?"&":"?")+"JsHttpRequest="+th.id+"-"+"form";
478if(req._reqHeaders.length){
479return ["no_headers","FORM"];
480}
481if(th.method=="GET"){
482if(th.queryText){
483th.url+=(th.url.indexOf("?")>=0?"&":"?")+th.queryText;
484}
485if(th.url.length>JsHttpRequest.MAX_URL_LEN){
486return ["url_too_long",JsHttpRequest.MAX_URL_LEN];
487}
488var p=th.url.split("?",2);
489th.url=p[0];
490th.queryText=p[1]||"";
491}
492var _4e=null;
493var _4f=false;
494if(th.queryElem.length){
495if(th.queryElem[0].e.tagName.toUpperCase()=="FORM"){
496_4e=th.queryElem[0].e;
497_4f=true;
498th.queryElem=[];
499}else{
500_4e=th.queryElem[0].e.form;
501for(var i=0;i<th.queryElem.length;i++){
502var e=th.queryElem[i].e;
503if(!e.form){
504return ["form_el_not_belong",e.name];
505}
506if(e.form!=_4e){
507return ["form_el_belong_diff",e.name];
508}
509}
510}
511if(th.method=="POST"){
512var _52="multipart/form-data";
513var _53=(_4e.attributes.encType&&_4e.attributes.encType.nodeValue)||(_4e.attributes.enctype&&_4e.attributes.enctype.value)||_4e.enctype;
514if(_53!=_52){
515return ["form_el_inv_enctype",_52,_53];
516}
517}
518}
519var d=_4e&&(_4e.ownerDocument||_4e.document)||document;
520var _55="jshr_i_"+th.id;
521var s=th.span=d.createElement("DIV");
522s.style.position="absolute";
523s.style.display="none";
524s.style.visibility="hidden";
525s.innerHTML=(_4e?"":"<form"+(th.method=="POST"?" enctype=\"multipart/form-data\" method=\"post\"":"")+"></form>")+"<iframe name=\""+_55+"\" id=\""+_55+"\" style=\"width:0px; height:0px; overflow:hidden; border:none\"></iframe>";
526if(!_4e){
527_4e=th.span.firstChild;
528}
529d.body.insertBefore(s,d.body.lastChild);
530var _57=function(e,_59){
531var sv=[];
532var _5b=e;
533if(e.mergeAttributes){
534var _5b=d.createElement("form");
535_5b.mergeAttributes(e,false);
536}
537for(var i=0;i<_59.length;i++){
538var k=_59[i][0],v=_59[i][1];
539sv[sv.length]=[k,_5b.getAttribute(k)];
540_5b.setAttribute(k,v);
541}
542if(e.mergeAttributes){

543e.mergeAttributes(_5b,false);
544}
545return sv;
546};
547var _5f=function(){
548top.JsHttpRequestGlobal=JsHttpRequest;
549var _60=[];
550if(!_4f){
551for(var i=0,n=_4e.elements.length;i<n;i++){
552_60[i]=_4e.elements[i].name;
553_4e.elements[i].name="";
554}
555}
556var qt=th.queryText.split("&");
557for(var i=qt.length-1;i>=0;i--){
558var _64=qt[i].split("=",2);
559var e=d.createElement("INPUT");
560e.type="hidden";
561e.name=unescape(_64[0]);
562e.value=_64[1]!=null?unescape(_64[1]):"";
563_4e.appendChild(e);
564}
565for(var i=0;i<th.queryElem.length;i++){
566th.queryElem[i].e.name=th.queryElem[i].name;
567}
568var sv=_57(_4e,[["action",th.url],["method",th.method],["onsubmit",null],["target",_55]]);
569_4e.submit();
570_57(_4e,sv);
571for(var i=0;i<qt.length;i++){
572_4e.lastChild.parentNode.removeChild(_4e.lastChild);
573}
574if(!_4f){
575for(var i=0,n=_4e.elements.length;i<n;i++){
576_4e.elements[i].name=_60[i];
577}
578}
579};
580JsHttpRequest.setTimeout(_5f,100);
581return null;
582};
583}};
584