forked from gigablast/open-source-search-engine
/
SearchInput.cpp
1298 lines (1177 loc) · 38.7 KB
/
SearchInput.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#include "gb-include.h"
#include "SearchInput.h"
#include "Parms.h" // g_parms
#include "CollectionRec.h" // cr
#include "Pages.h" // g_msg
#include "LanguageIdentifier.h"
#include "CountryCode.h"
#include "geo_ip_table.h"
#include "Users.h"
#include "Address.h" // getLatLonFromUserInput
#include "Timedb.h"
#include "PageResults.h"
SearchInput::SearchInput() {
reset();
}
SearchInput::~SearchInput() {
reset();
}
void SearchInput::reset ( ) {
/*
m_langHint = 0;
m_languageWeightFactor = 0.33;
m_enableLanguageSorting = 0;
m_queryIP = 0;
m_hr = NULL;
m_gbcountry = NULL;
m_gbcountryLen = 0;
m_country = 0;
m_language = 0;
m_sq = NULL;
m_sqLen = 0;
m_noDocIds = NULL;
m_noSiteIds = NULL;
m_noDocIdsLen = 0;
m_noSiteIdsLen = 0;
*/
}
void SearchInput::setToDefaults ( CollectionRec *cr , long niceness ) {
// reset it first
reset();
// set all to 0 just to avoid any inconsistencies
long size = (char *)&m_END_TEST - (char *)&m_START;
memset ( this , 0x00 , size );
m_sbuf1.reset();
m_sbuf2.reset();
m_sbuf3.reset();
// set these
m_numLinesInSummary = 2;
m_docsWanted = 10;
m_boolFlag = 2;
m_maxQueryTerms = 1000;
m_niceness = niceness;
m_defaultSortLanguageLen = 0;
}
// . make a key for caching the search results page based on this input
// . do not use all vars, like the m_*ToDisplay should not be included
key_t SearchInput::makeKey ( ) {
// hash the query
long n = m_q->getNumTerms ();
long long *termIds = m_q->getTermIds ();
char *signs = m_q->getTermSigns ();
key_t k;
k.n1 = 0;
k.n0 = hash64 ( (char *)termIds , n * sizeof(long long) );
k.n0 = hash64 ( (char *)signs , n , k.n0 );
// user defined weights, for weighting each query term separately
for ( long i = 0 ; i < n ; i++ ) {
k.n0 = hash64 ((char *)&m_q->m_qterms[i].m_userWeight,4, k.n0);
k.n0 = hash64 ((char *)&m_q->m_qterms[i].m_userType ,1, k.n0);
}
// space separated, NULL terminated, list of meta tag names to display
if ( m_displayMetas )
k.n0 = hash64b ( m_displayMetas , k.n0 );
// name of collection in external cluster to get titleRecs for
// related pages from
if ( m_rp_getExternalPages && m_rp_externalColl )
k.n0 = hash64b ( m_rp_externalColl , k.n0 );
// collection e import from
if ( m_importColl )
k.n0 = hash64b ( m_importColl , k.n0 );
// the special query parm
if ( m_sq && m_sqLen > 0 )
k.n0 = hash64 ( m_sq , m_sqLen , k.n0 );
if ( m_noDocIds && m_noDocIdsLen )
k.n0 = hash64 ( m_noDocIds , m_noDocIdsLen , k.n0 );
if ( m_noSiteIds && m_noSiteIdsLen )
k.n0 = hash64 ( m_noSiteIds , m_noSiteIdsLen , k.n0 );
// no need to hash these again separately, they are in between
// m_START and m_END_HASH
// language
//if ( m_language )
// k.n0 = hash64 ( m_language , k.n0 );
//if ( m_gblang )
// k.n0 = hash64 ( m_gblang , k.n0 );
// . now include the hash of the search parameters
// . nnot incuding m_docsToScanForTopics since since we got TopicGroups
char *a = ((char *)&m_START) + 4 ; // msg40->m_dpf;
char *b = (char *)&m_END_HASH ; // msg40->m_topicGroups;
long size = b - a;
// push and flush some parms that should not contribute
//long save1 = m_refs_numToDisplay;
//long save2 = m_rp_numToDisplay;
//long save3 = m_numTopicsToDisplay;
//m_refs_numToDisplay = 0;
//m_rp_numToDisplay = 0;
//m_numTopicsToDisplay = 0;
// and hash it all up
k.n0 = hash64 ( a , size , k.n0 );
// and pop out the parms that did not contribute
//m_refs_numToDisplay = save1;
//m_rp_numToDisplay = save2;
//m_numTopicsToDisplay = save3;
// hash each topic group
for ( long i = 0 ; i < m_numTopicGroups ; i++ ) {
TopicGroup *t = &m_topicGroups[i];
//k.n0 = hash64 ( t->m_numTopics , k.n0 );
k.n0 = hash64 ( t->m_maxTopics , k.n0 );
k.n0 = hash64 ( t->m_docsToScanForTopics , k.n0 );
k.n0 = hash64 ( t->m_minTopicScore , k.n0 );
k.n0 = hash64 ( t->m_maxWordsPerTopic , k.n0 );
k.n0 = hash64b( t->m_meta , k.n0 );
k.n0 = hash64 ( t->m_delimeter , k.n0 );
k.n0 = hash64 ( t->m_useIdfForTopics , k.n0 );
k.n0 = hash64 ( t->m_dedup , k.n0 );
}
// . boolean queries have operators (AND OR NOT ( ) ) that we need
// to consider in this hash as well. so
// . so just hash the whole damn query
if ( m_q->m_isBoolean ) {
char *q = m_q->getQuery();
long qlen = m_q->getQueryLen();
k.n0 = hash64 ( q , qlen , k.n0 );
}
// Language stuff
k.n0 = hash64(m_defaultSortLanguage, m_defaultSortLanguageLen, k.n0);
k.n0 = hash64(m_defaultSortCountry , m_defaultSortCountryLen , k.n0);
// debug
//logf(LOG_DEBUG,"query: q=%s k.n0=%llu",m_q->getQuery(),k.n0);
//Msg1aParms* m1p = msg40->getReferenceParms();
//if( m1p ) {
// k.n0=hash64(((char*)m1p)+sizeof(long),
// sizeof(Msg1aParms)-8,k.n0);
//}
return k;
}
void SearchInput::test ( ) {
// set all to 0 just to avoid any inconsistencies
char *a = ((char *)&m_START) + 4 ; // msg40->m_dpf;
char *b = (char *)&m_END_TEST;
long size = b - a;
memset ( a , 0x00 , size );
// loop through all possible cgi parms to set SearchInput
for ( long i = 0 ; i < g_parms.m_numSearchParms ; i++ ) {
Parm *m = g_parms.m_searchParms[i];
char *x = (char *)this + m->m_soff;
if ( m->m_type != TYPE_BOOL ) *(long *)x = 0xffffffff;
else *(char *)x = 0xff;
}
// ensure we're all zeros now!
long fix = a - (char *)this;
unsigned char *p = (unsigned char *)a;
for ( long i = 0 ; i < size ; i++ ) {
if ( p[i] == 0xff ) continue;
// find it
long off = i + fix;
char *name = NULL; // "unknown";
for ( long k = 0 ; k < g_parms.m_numSearchParms ; k++ ) {
Parm *m = g_parms.m_searchParms[k];
if ( m->m_soff != off ) continue;
name = m->m_title;
break;
}
if ( ! name ) continue;
log("query: Got uncovered SearchInput parm at offset "
"%li in SearchInput. name=%s.",off,name);
}
}
void SearchInput::copy ( class SearchInput *si ) {
memcpy ( (char *)this , (char *)si , sizeof(SearchInput) );
}
class SearchInput *g_si = NULL;
bool SearchInput::set ( TcpSocket *sock , HttpRequest *r , Query *q ) {
// get coll rec
long collLen;
char *coll = r->getString ( "c" , &collLen );
//if (! coll){coll = g_conf.m_defaultColl; collLen = gbstrlen(coll); }
if ( ! coll )
coll = g_conf.getDefaultColl(r->getHost(), r->getHostLen());
if ( ! coll ) { g_errno = ENOCOLLREC; return false; }
collLen = gbstrlen(coll);
CollectionRec *cr = g_collectiondb.getRec ( coll );
if ( ! cr ) {
g_errno = ENOCOLLREC;
g_msg = " (error: no such collection)";
return false;
}
// set all to 0 just to avoid any inconsistencies
//long size = (char *)&m_END_TEST - (char *)&m_START;
//memset ( this , 0x00 , size );
setToDefaults( cr , 0 ); // niceness
m_cr = cr;
m_coll2 = m_cr->m_coll;
m_collLen2 = gbstrlen(m_coll2);
// from ::reset()
m_languageWeightFactor = 0.33;
// Set IP for language detection.
// (among other things)
if ( sock ) m_queryIP = sock->m_ip;
else m_queryIP = 0;
m_hr = r;
// keep ptr to the query class to use
m_q = q;
// set this here since its size can be variable
m_sq = r->getString("sq",&m_sqLen);
// negative docids
m_noDocIds = r->getString("nodocids",&m_noDocIdsLen);
// negative sites
m_noSiteIds = r->getString("nositeids",&m_noSiteIdsLen);
// Msg5e calls Msg40 with this set to true in the searchInput
// so it can analyze the entire pages of each search result so it
// can find the article start/end tag sequence indicators
m_getTitleRec = r->getLong("gettrs",0);
m_getSitePops = r->getLong("getsitepops",0 );
// does this collection ban this IP?
/*
long encapIp = 0;
m if (! cr->hasSearchPermission ( sock, encapIp ) ) {
g_errno = ENOPERM;
g_msg = " (error: permission denied)";
return false;
}
*/
// set all search parms in SearchInput to defaults
for ( long i = 0 ; i < g_parms.m_numSearchParms ; i++ ) {
Parm *m = g_parms.m_searchParms[i];
// sanity
if ( m->m_soff < 0 ) { char *xx=NULL;*xx=0; }
char *x = (char *)this + m->m_soff;
// what is the def val ptr
char *def = NULL;
if ( m->m_off >= 0 && m->m_obj == OBJ_COLL )
def = ((char *)cr) + m->m_off;
else if ( m->m_off >= 0 && m->m_obj == OBJ_CONF )
def = ((char *)&g_conf) + m->m_off;
// set it based on type
if ( m->m_type == TYPE_LONG ) {
long v = 0;
if ( def )
v = *(long *)def;
else if ( m->m_def )
v = atol(m->m_def);
*(long *)x = v;
}
else if ( m->m_type == TYPE_BOOL ) {
long v = 0;
if ( def )
v = *(char *)def;
else if ( m->m_def )
v = atol(m->m_def);
// sanity test!
if ( v != 0 && v != 1 )
log("query: got non-bool default "
"for bool parm %s",m->m_title);
if ( v ) *(char *)x = 1;
else *(char *)x = 0;
}
else if ( m->m_type == TYPE_CHAR ) {
if ( def )
*(char *)x = *(char *)def;
else if ( m->m_def )
*(char *)x = atol(m->m_def);
}
else if ( m->m_type == TYPE_FLOAT ) {
float v = 0;
if ( def )
v = *(float *)def;
else if ( m->m_def )
v = atof(m->m_def);
*(float *)x = (float)v;
}
else if ( m->m_type == TYPE_STRING ||
m->m_type == TYPE_STRINGBOX ) {
//if ( m->m_cgi && strcmp ( m->m_cgi, "erpc" ) == 0 )
// log("hey1");
//if ( m->m_cgi && strcmp ( m->m_scgi, "q" ) == 0 )
// log("hey1");
char *v = NULL;
if ( def )
v = (char *)def;
else if ( m->m_def )
v = m->m_def;
*(char **)x = v;
// set the length
if ( ! v ) *(long *)(x-4) = 0;
else *(long *)(x-4) = gbstrlen(v);
}
}
// this is just used to determine in PageResults.cpp if we should
// show admin knobs next to each result...
// default to off for now
m_isAdmin = r->getLong("admin",0);
//if ( m_isAdmin ) m_isAdmin = g_users.hasPermission ( r , PAGE_MASTER );
// local ip?
if ( ! r->isLocal() ) m_isAdmin = 0;
// default set does not take into account g_conf,
// so we will take care of that here ourselves...
m_adFeedEnabled = g_conf.m_adFeedEnabled;
//m_excludeLinkText = g_conf.m_excludeLinkText;
//m_excludeMetaText = g_conf.m_excludeMetaText;
// we need to get some cgi values in order to correct the defaults
// based on if we're doing an xml feed, have a site: query, etc.
long xml = r->getLong ( "xml" , 0 ); // was "raw"
long siteLen = 0; r->getString ("site",&siteLen);
long sitesLen = 0;
char *sites = r->getString ("sites",&sitesLen,NULL);
// save it if there
if ( sites && sitesLen > 0 &&
( ! m_whiteListBuf.safeStrcpy(sites)||
! m_whiteListBuf.nullTerm() ) )
return log("query: unable to strcpy whitelist");
// now override automatic defaults for special cases
if ( xml > 0 ) {
m_familyFilter = 0;
// this is causing me a headache when on when i dont know it
m_restrictIndexdbForQuery = false;
// this is hackish
if ( r->getLong("rt",0) ) m_restrictIndexdbForQuery=false;
m_numTopicsToDisplay = 0;
m_doQueryHighlighting = 0;
m_spellCheck = 0;
m_refs_numToGenerate = 0;
m_refs_docsToScan = 0;
}
else if ( m_siteLen > 0 ) {
m_restrictIndexdbForQuery = false;
m_doSiteClustering = false;
m_ipRestrictForTopics = false;
}
else if ( m_whiteListBuf.length() > 0 ) {
m_ipRestrictForTopics = false;
}
m_doIpClustering = false;
//m_sitesQueryLen = 0;
// set the user ip, "uip"
long uip = m_queryIP;
char *uipStr = m_hr->getString ("uip" , NULL );
long tmpIp = 0; if ( uipStr ) tmpIp = atoip(uipStr);
if ( tmpIp ) uip = tmpIp;
//
//
// BEGIN MAIN PARM SETTING LOOP
//
//
// loop through all possible cgi parms to set SearchInput
for ( long i = 0 ; i < g_parms.m_numSearchParms ; i++ ) {
Parm *m = g_parms.m_searchParms[i];
char *x = (char *)this + m->m_soff;
// what is the parm's cgi name?
char *cgi = m->m_scgi;
if ( ! cgi ) cgi = m->m_cgi;
// sanity check
if ( ! m->m_sparm ) {
log("query: Failed search input sanity check.");
char *xx = NULL; *xx = 0;
}
// . break it down by type now
// . get it from request and store it in SearchInput
if ( m->m_type == TYPE_LONG ) {
// default was set above
long def = *(long *)x;
// assume default
long v = def;
// but cgi parms override cookie
v = r->getLong ( cgi , v );
// but if its a privledged parm and we're not an admin
// then do not allow overrides, but m_priv of 3 means
// to not display for clients, but to allow overrides
if ( ! m_isAdmin && m->m_priv && m->m_priv!=3) v = def;
// bounds checks
if ( v < m->m_smin ) v = m->m_smin;
if ( v > m->m_smax ) v = m->m_smax;
if ( m->m_sminc >= 0 ) {
long vmin = *(long *)((char *)cr+m->m_sminc);
if ( v < vmin ) v = vmin;
}
if ( m->m_smaxc >= 0 ) {
long vmax = *(long *)((char *)cr+m->m_smaxc);
if ( v > vmax ) v = vmax;
}
// set it
*(long *)x = v;
// do not print start result num (m->m_sprop is 0 for
// "s" now)
//if ( cgi[0] == 's' && cgi[1] == '\0' ) continue;
// should we propagate it? true by default
//if ( ! m->m_sprop ) continue;
// if it is the same as its default, and the default is
// always from m_def and never from the CollectionRec,
// then do not both storing it in here! what's the
// point?
if ( v == def && m->m_off < 0 ) continue;
// if not default do not propagate
if ( v == def ) continue;
// . include for sure if explicitly provided
// . vp will be NULL if "cgi" is not explicitly listed
// as a cgi parm. otherwise, even if *vp == '\0', vp
// is non-NULL.
// . crap, it can be in the cookie now
//char *vp = r->getValue(cgi, NULL, NULL);
// if not given at all, do not propagate
//if ( ! vp ) continue;
// store in up if different from default, even if
// same as default ("def") because default may be
// changed by the admin since m->m_off >= 0
//if ( m->m_sprpg && up + gbstrlen(cgi) + 20 < upend )
// up += sprintf ( up , "%s=%li&", cgi , v );
//if ( m->m_sprpp && pp + gbstrlen(cgi) + 80 < ppend )
// pp += sprintf ( pp , "<input type=hidden "
// "name=%s value=\"%li\">\n",
// cgi , v );
}
else if ( m->m_type == TYPE_FLOAT ) {
// default was set above
float def = *(float *)x;
// get overriding from http request, if any
float v;
// but if its a privledged parm and we're not an admin
// then do not allow overrides
if ( ! m_isAdmin && m->m_priv && m->m_priv!=3) v = def;
else v = r->getFloat( cgi , def );
// bounds checks
if ( v < m->m_smin ) v = m->m_smin;
if ( v > m->m_smax ) v = m->m_smax;
if ( m->m_sminc >= 0 ) {
float vmin = *(float *)((char *)cr+m->m_sminc);
if ( v < vmin ) v = vmin;
}
if ( m->m_smaxc >= 0 ) {
float vmax = *(float *)((char *)cr+m->m_smaxc);
if ( v > vmax ) v = vmax;
}
// set it
*(float *)x = v;
// do not print start result num
//if ( cgi[0] == 's' && cgi[1] == '\0' ) continue;
// include for sure if explicitly provided
char *vp = r->getValue(cgi, NULL, NULL);
if ( ! vp ) continue;
// unchanged from default?
if ( v == def ) continue;
// store in up different from default
//if ((vp||v!= def) && up + gbstrlen(cgi)+20 < upend )
// up += sprintf ( up , "%s=%f&", cgi , v );
//if ((vp||v!= def) && pp + gbstrlen(cgi)+20 < ppend )
// pp += sprintf ( pp , "<input type=hidden "
// "name=%s value=\"%f\">\n",
// cgi , v );
}
else if ( m->m_type == TYPE_BOOL ) {
// default was set above
long def = *(char *)x;
if ( def != 0 ) def = 1; // normalize
// assume default
long v = def;
// cgi parms override cookie
v = r->getBool ( cgi , v );
// but if no perm, use default
if ( ! m_isAdmin && m->m_priv && m->m_priv!=3) v = def;
if ( v != 0 ) v = 1; // normalize
*(char *)x = v;
// don't propagate rcache
//if ( ! strcmp(cgi,"rcache") ) continue;
// should we propagate it? true by default
//if ( ! m->m_sprop ) continue;
// if it is the same as its default, and the default is
// always from m_def and never from the CollectionRec,
// then do not both storing it in here! what's the
// point?
if ( v == def && m->m_off < 0 ) continue;
// if not default do not propagate
if ( v == def ) continue;
// . include for sure if explicitly provided
// . vp will be NULL if "cgi" is not explicitly listed
// as a cgi parm. otherwise, even if *vp == '\0', vp
// is non-NULL.
// . crap, it can be in the cookie now!
//char *vp = r->getValue(cgi, NULL, NULL);
// if not given at all, do not propagate
//if ( ! vp ) continue;
// store in up if different from default, even if
// same as default ("def") because default may be
// changed by the admin since m->m_off >= 0
//if ( m->m_sprpg && up + gbstrlen(cgi) + 10 < upend )
// up += sprintf ( up , "%s=%li&", cgi , v );
//if ( m->m_sprpp && pp + gbstrlen(cgi) + 80 < ppend )
// pp += sprintf ( pp , "<input type=hidden "
// "name=%s value=\"%li\">\n",
// cgi , v );
}
else if ( m->m_type == TYPE_CHAR ) {
// default was set above
char def = *(char *)x;
*(char *)x = r->getLong ( cgi, def );
// use this
long v = *(char *)x;
// store in up if different from default, even if
// same as default ("def") because default may be
// changed by the admin since m->m_off >= 0. nah,
// let's try to reduce cgi parm pollution...
if ( v == def ) continue;
//if ( m->m_sprpg && up + gbstrlen(cgi) + 10 < upend )
// up += sprintf ( up , "%s=%li&", cgi , v );
//if ( m->m_sprpp && pp + gbstrlen(cgi) + 80 < ppend )
// pp += sprintf ( pp , "<input type=hidden "
// "name=%s value=\"%li\">\n",
// cgi , v );
}
else if ( m->m_type == TYPE_STRING ||
m->m_type == TYPE_STRINGBOX ) {
//if ( m->m_cgi && strcmp ( m->m_cgi, "qlang" ) == 0 )
// log("hey2");
char *def = *(char **)x;
// get overriding from http request, if any
long len = 0;
char *v = NULL;
// . cgi parms override cookie
// . is this url encoded?
v = r->getString ( cgi , &len , v );
// if not specified explicitly, default it and continue
if ( ! v ) {
// sanity
if ( ! def ) def = "";
*(char **)x = def;
// length preceeds char ptr in SearchInput
*(long *)(x - 4) = gbstrlen(def);
continue;
}
// if something was specified, override, it might
// be length zero, too
*(char **)x = v;
// length preceeds char ptr in SearchInput
*(long *)(x - 4) = len;
// do not store if query, that needs to be last so
// related topics can append to it
//if ( cgi[0] == 'q' && cgi[1] == '\0' ) continue;
// should we propagate it? true by default
//if ( ! m->m_sprop ) continue;
// if not given at all, do not propagate
//if ( ! vp ) continue;
// if it is the same as its default, and the default is
// always from m_def and never from the CollectionRec,
// then do not both storing it in here! what's the
// point?
//if ( v && v == def && !strcmp(def,v) && m->m_off < 0)
// continue;
// Need to set qcs based on page encoding...
// not propagated
if (!strncmp(cgi, "qcs", 3))
continue;
// do not propagate defaults
if ( v == def ) continue;
// store in up if different from default, even if
// same as default ("def") because default may be
// changed by the admin since m->m_off >= 0
//if( m->m_sprpg && up+gbstrlen(cgi)+len+6 < upend ) {
// up += sprintf ( up , "%s=", cgi );
// up += urlEncode ( up , upend-up-2 , v , len );
// *up++ = '&';
//}
// propogate hidden inputs
//if ( m->m_sprpp && up+gbstrlen(cgi)+len+80 < upend )
// pp += sprintf ( pp , "<input type=hidden "
// "name=%s value=\"%s\">\n",
// cgi , v );
}
}
// now add the special "qh" parm whose default value changes
// depending on if we are widget related or not
long qhDefault = 1;
m_doQueryHighlighting = r->getLong("qh",qhDefault);
//
// TODO: use Parms.cpp defaults
//
TopicGroup *tg = &m_topicGroups[0];
//
//
// gigabits
//
//
tg->m_numTopics = 50;
tg->m_maxTopics = 50;
tg->m_docsToScanForTopics = m_docsToScanForTopics;
tg->m_minTopicScore = 0;
tg->m_maxWordsPerTopic = 6;
tg->m_meta[0] = '\0';
tg->m_delimeter = '\0';
tg->m_useIdfForTopics = false;
tg->m_dedup = true;
// need to be on at least 2 pages!
tg->m_minDocCount = 2;
tg->m_ipRestrict = true;
tg->m_dedupSamplePercent = 80;
tg->m_topicRemoveOverlaps = true;
tg->m_topicSampleSize = 4096;
// max sequential punct chars allowedin a topic
tg->m_topicMaxPunctLen = 1;
m_numTopicGroups = 1;
// use "&dg=1" to debug gigabits
m_debugGigabits = r->getLong("dg",0);
// . omit scoring info from the xml feed for now
// . we have to roll this out to gk144 net i think
if ( xml > 0 )
m_getDocIdScoringInfo = 0;
// turn off by default!
if ( ! r->getLong("gigabits",0) ) {
m_numTopicGroups = 0;
}
//////////////////////////////////////
//
// transform input into classes
//
//////////////////////////////////////
// USER_ADMIN, ...
m_username = g_users.getUsername(r);
// if collection is NULL default to one in g_conf
if ( ! m_coll2 || ! m_coll2[0] ) {
//m_coll = g_conf.m_defaultColl;
m_coll2 = g_conf.getDefaultColl(r->getHost(), r->getHostLen());
m_collLen2 = gbstrlen(coll);
}
// reset this
m_gblang = 0;
// use gblang then!
long gglen;
char *gg = r->getString ( "clang" , &gglen , NULL );
if ( gg && gglen > 1 )
m_gblang = getLanguageFromAbbr(gg);
// allow for "qlang" if still don't have it
//long gglen2;
//char *gg2 = r->getString ( "qlang" , &gglen2 , NULL );
//if ( m_gblang == 0 && gg2 && gglen2 > 1 )
// m_gblang = getLanguageFromAbbr(gg2);
// fix query by removing lang:xx from ask.com queries
//char *end = m_query + m_queryLen -8;
//if ( m_queryLen > 8 && m_query && end > m_query &&
// strncmp(end," lang:",6)==0 ) {
// char *asklang = m_query+m_queryLen - 2;
// m_gblang = getLanguageFromAbbr(asklang);
// m_queryLen -= 8;
// m_query[m_queryLen] = 0;
//
//}
// . returns false and sets g_errno on error
// . sets m_qbuf1 and m_qbuf2
if ( ! setQueryBuffers (r) ) return false;
/* --- Virtual host language detection --- */
if(r->getHost()) {
bool langset = getLanguageFromAbbr(m_defaultSortLanguage);
char *cp;
if(!langset && (cp = strrchr(r->getHost(), '.'))) {
uint8_t lang = getLanguageFromUserAgent(++cp);
if(lang) {
// char langbuf[128];
// sprintf(langbuf, "qlang=%s\0", getLanguageAbbr(lang));
//m_defaultSortLanguage = getLanguageAbbr(lang);
char *tmp = getLanguageAbbr(lang);
strncpy(m_defaultSortLanguage, tmp, 6);
// log(LOG_INFO,
// getLanguageString(lang), r->getHost(), this);
}
}
}
/* --- End Virtual host language detection --- */
char *qs1 = m_defaultSortLanguage;
// this overrides though
//long qlen2;
//char *qs2 = r->getString ("qlang",&qlen2,NULL);
//if ( qs2 ) qs1 = qs2;
m_queryLang = getLanguageFromAbbr ( qs1 );
if ( qs1 && qs1[0] && ! m_queryLang )
log("query: qlang of \"%s\" is NOT SUPPORTED",qs1);
// . the query to use for highlighting... can be overriden with "hq"
// . we need the language id for doing synonyms
if ( m_highlightQuery && m_highlightQuery[0] )
m_hqq.set2 ( m_highlightQuery , m_queryLang , true );
else if ( m_query && m_query[0] )
m_hqq.set2 ( m_query , m_queryLang , true );
// log it here
log("query: got query %s",m_sbuf1.getBufStart());
// . now set from m_qbuf1, the advanced/composite query buffer
// . returns false and sets g_errno on error (ETOOMANYOPERANDS)
if ( ! m_q->set2 ( m_sbuf1.getBufStart(),
m_queryLang ,
m_queryExpansion ) ) {
g_msg = " (error: query has too many operands)";
return false;
}
if ( m_q->m_truncated && m_q->m_isBoolean ) {
g_errno = ETOOMANYOPERANDS;
g_msg = " (error: query has too many operands)";
return false;
}
// do not allow querier to use the links: query operator unless they
// are admin or the search controls explicitly allow links:
//if ( m_q->m_hasLinksOperator && ! m_isAdmin &&
// !cr->m_allowLinksSearch ) {
// g_errno = ENOPERM;
// g_msg = " (error: permission denied)";
// return false;
//}
// miscellaneous
m_showBanned = false;
//if ( m_isAdmin ) m_showBanned = true;
// admin can say &sb=0 explicitly to not show banned results
if ( m_isAdmin ) m_showBanned = r->getLong("sb",m_showBanned);
if ( m_q->m_hasUrlField ) m_ipRestrictForTopics = false;
if ( m_q->m_hasIpField ) {
m_ipRestrictForTopics = false;
//if( m_isAdmin ) m_showBanned = true;
}
if ( m_q->m_hasPositiveSiteField ) {
m_ipRestrictForTopics = false;
m_doSiteClustering = false;
}
if ( m_q->m_hasQuotaField ) {
m_doSiteClustering = false;
m_doDupContentRemoval = false;
}
m_familyFilter = r->getLong("ff",0);
long codeLen;
char *code = r->getString ("code",&codeLen,NULL);
// set m_endUser
if ( ! codeLen || ! code || strcmp(code,"gbfront")==0 )
m_endUser = true;
else
m_endUser = false;
if(codeLen && !m_endUser) {
m_maxResults = cr->m_maxSearchResultsForClients;
}
else {
m_maxResults = cr->m_maxSearchResults;
}
// don't let admin bewilder himself
if ( m_maxResults < 1 ) m_maxResults = 500;
// we can't get this kind of constraint from generic Parms routines
if ( m_firstResultNum + m_docsWanted > m_maxResults )
m_firstResultNum = m_maxResults - m_docsWanted;
if(m_firstResultNum < 0) m_firstResultNum = 0;
// if useCache is -1 then pick a default value
if ( m_useCache == -1 ) {
// assume yes as default
m_useCache = 1;
// . if query has url: or site: term do NOT use cache by def.
// . however, if spider is off then use the cache by default
if ( g_conf.m_spideringEnabled ) {
if ( m_q->m_hasPositiveSiteField ) m_useCache = 0;
else if ( m_q->m_hasIpField ) m_useCache = 0;
else if ( m_q->m_hasUrlField ) m_useCache = 0;
else if ( m_siteLen > 0 ) m_useCache = 0;
else if ( m_whiteListBuf.length() ) m_useCache = 0;
else if ( m_urlLen > 0 ) m_useCache = 0;
}
}
// never use cache if doing a rerank (msg3b)
//if ( m_rerankRuleset >= 0 ) m_useCache = 0;
bool readFromCache = false;
if ( m_useCache == 1 ) readFromCache = true;
if ( m_rcache == 0 ) readFromCache = false;
if ( m_useCache == 0 ) readFromCache = false;
// if useCache is false, don't write to cache if it was not specified
if ( m_wcache == -1 ) {
if ( m_useCache == 0 ) m_wcache = 0;
else m_wcache = 1;
}
// save it
m_rcache = readFromCache;
/*
m_language = 0;
// convert m_languageCode to a number for m_language
if ( m_languageCode ) {
m_language = (unsigned char)atoi(m_languageCode);
if ( m_language == 0 )
m_language = getLanguageFromAbbr(m_languageCode);
}
*/
// a hack for buzz for backwards compatibility
//if ( strstr ( m_q->m_orig,"gbkeyword:r36p1" ) )
// m_ruleset = 36;
//
// . turn this off for now
// . it is used in setClusterLevels() to use clusterdb to filter our
// search results via Msg39, so it is not the most efficient.
// . plus i am deleting most foreign language pages from the index
// so we can just focus on english and that will give us more english
// pages that we could normally get. we don't have resources to
// de-spam the other languages, etc.
// . turn it back on, i took out the setClusterLevels() use of that
// because we got the langid in the posdb keys now
//
//m_language = 0;
// convert m_defaultSortCountry to a number for m_countryHint
m_countryHint = g_countryCode.getIndexOfAbbr(m_defaultSortCountry);
return true;
}
// . sets m_qbuf1[] and m_qbuf2[]
// . m_qbuf1[] is the advanced query
// . m_qbuf2[] is the query to be used for spell checking
// . returns false and set g_errno on error
bool SearchInput::setQueryBuffers ( HttpRequest *hr ) {
m_sbuf1.reset();
m_sbuf2.reset();
m_sbuf3.reset();
short qcs = csUTF8;
if (m_queryCharset && m_queryCharsetLen){
// we need to convert the query string to utf-8
qcs = get_iana_charset(m_queryCharset, m_queryCharsetLen);
if (qcs == csUnknown) {
//g_errno = EBADCHARSET;
//g_msg = "(error: unknown query charset)";
//return false;
qcs = csUTF8;
}
}
// prepend sites terms
long numSites = 0;
char *csStr = NULL;
numSites = 0;
csStr = get_charset_str(qcs);
/*
if ( m_sites && m_sites[0] ) {
char *s = m_sites;
char *t;
long len;
m_sbuf1.pushChar('(');// *p++ = '(';
loop:
// skip white space
while ( *s && ! is_alnum_a(*s) ) s++;
// bail if done
if ( ! *s ) goto done;
// get length of it
t = s;
while ( *t && ! is_wspace_a(*t) ) t++;
len = t - s;
// add site: term
//if ( p + 12 + len >= pend ) goto toobig;
if ( numSites > 0 ) m_sbuf1.safeStrcpy ( " UOR " );
m_sbuf1.safeStrcpy ( "site:" );
//p += ucToUtf8(p, pend-p,s, len, csStr, 0,0);
m_sbuf1.safeMemcpy ( s , len );
//memcpy ( p , s , len ); p += len;
// *p++ = ' ';
m_sbuf1.pushChar(' ');
s = t;
numSites++;
goto loop;
done:
m_sbuf1.safePrintf(") | ");
// inc totalLen
m_sitesQueryLen = m_sitesLen + (numSites * 10);
}
*/
// prepend
char *qp = hr->getString("prepend",NULL,NULL);
if( qp && qp[0] ) {
//if( p > pstart ) *p++ = ' ';
if ( m_sbuf1.length() ) m_sbuf1.pushChar(' ');
//p += sprintf( p, "+gblang:%li |", m_gblang );
m_sbuf1.safePrintf( "%s", qp );
}
// append site: term
if ( m_siteLen > 0 ) {
//if ( p > pstart ) *p++ = ' ';
if ( m_sbuf1.length() ) m_sbuf1.pushChar(' ');
//memcpy ( p , "+site:" , 6 ); p += 6;
m_sbuf1.safePrintf("+site:");
//memcpy ( p , m_site , m_siteLen ); p += m_siteLen;
m_sbuf1.safeMemcpy(m_site,m_siteLen);
}
if ( m_familyFilter ) {
if ( m_sbuf1.length() ) m_sbuf1.pushChar(' ');
m_sbuf1.safePrintf("gbisadult:0 | ");
}
// append gblang: term
if( m_gblang > 0 ) {
//if( p > pstart ) *p++ = ' ';
if ( m_sbuf1.length() ) m_sbuf1.pushChar(' ');
//p += sprintf( p, "+gblang:%li |", m_gblang );
m_sbuf1.safePrintf( "+gblang:%li |", m_gblang );
}
// bookmark here so we can copy into st->m_displayQuery below
//long displayQueryOffset = m_sbuf1.length();
// append url: term
if ( m_urlLen > 0 ) {
//if ( p > pstart ) *p++ = ' ';
if ( m_sbuf1.length() ) m_sbuf1.pushChar(' ');
//memcpy ( p , "+url:" , 5 ); p += 5;
m_sbuf1.safeStrcpy ( "+url:");
//memcpy ( p , m_url , m_urlLen ); p += m_urlLen;
m_sbuf1.safeMemcpy ( m_url , m_urlLen );
}
// append url: term
if ( m_linkLen > 0 ) {
//if ( p > pstart ) *p++ = ' ';
if ( m_sbuf1.length() ) m_sbuf1.pushChar(' ');
//memcpy ( p , "+link:" , 6 ); p += 6;
m_sbuf1.safeStrcpy ( "+link:");