forked from MapServer/MapServer
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmapservutil.c
1820 lines (1543 loc) · 69.1 KB
/
mapservutil.c
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
/******************************************************************************
* $id$
*
* Project: MapServer
* Purpose: MapServer CGI utility functions.
* Author: Steve Lime and the MapServer team.
*
******************************************************************************
* Copyright (c) 1996-2005 Regents of the University of Minnesota.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of this Software or works derived from this Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "mapserver.h"
#include "mapserv.h"
#include "maptime.h"
/*
** Enumerated types, keep the query modes in sequence and at the end of the enumeration (mode enumeration is in maptemplate.h).
*/
static int numModes = 21;
static char *modeStrings[21] = {"BROWSE","ZOOMIN","ZOOMOUT","MAP","LEGEND","LEGENDICON","REFERENCE","SCALEBAR","COORDINATE",
"QUERY","NQUERY","ITEMQUERY","ITEMNQUERY",
"FEATUREQUERY","FEATURENQUERY","ITEMFEATUREQUERY","ITEMFEATURENQUERY",
"INDEXQUERY","TILE","OWS", "WFS"
};
int msCGIWriteLog(mapservObj *mapserv, int show_error)
{
FILE *stream;
int i;
time_t t;
char szPath[MS_MAXPATHLEN];
if(!mapserv) return(MS_SUCCESS);
if(!mapserv->map) return(MS_SUCCESS);
if(!mapserv->map->web.log) return(MS_SUCCESS);
if((stream = fopen(msBuildPath(szPath, mapserv->map->mappath,
mapserv->map->web.log),"a")) == NULL) {
msSetError(MS_IOERR, mapserv->map->web.log, "msCGIWriteLog()");
return(MS_FAILURE);
}
t = time(NULL);
fprintf(stream,"%s,",msStringChop(ctime(&t)));
fprintf(stream,"%d,",(int)getpid());
if(getenv("REMOTE_ADDR") != NULL)
fprintf(stream,"%s,",getenv("REMOTE_ADDR"));
else
fprintf(stream,"NULL,");
fprintf(stream,"%s,",mapserv->map->name);
fprintf(stream,"%d,",mapserv->Mode);
fprintf(stream,"%f %f %f %f,", mapserv->map->extent.minx, mapserv->map->extent.miny, mapserv->map->extent.maxx, mapserv->map->extent.maxy);
fprintf(stream,"%f %f,", mapserv->mappnt.x, mapserv->mappnt.y);
for(i=0; i<mapserv->NumLayers; i++)
fprintf(stream, "%s ", mapserv->Layers[i]);
fprintf(stream,",");
if(show_error == MS_TRUE)
msWriteError(stream);
else
fprintf(stream, "normal execution");
fprintf(stream,"\n");
fclose(stream);
return(MS_SUCCESS);
}
void msCGIWriteError(mapservObj *mapserv)
{
errorObj *ms_error = msGetErrorObj();
if(!ms_error || ms_error->code == MS_NOERR || ms_error->isreported) {
/* either we have no error, or it was already reported by other means */
return;
}
msCGIWriteLog(mapserv,MS_TRUE);
if(!mapserv || !mapserv->map) {
msIO_setHeader("Content-Type","text/html");
msIO_sendHeaders();
msIO_printf("<HTML>\n");
msIO_printf("<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n");
msIO_printf("<!-- %s -->\n", msGetVersion());
msIO_printf("<BODY BGCOLOR=\"#FFFFFF\">\n");
msWriteErrorXML(stdout);
msIO_printf("</BODY></HTML>");
return;
}
if((ms_error->code == MS_NOTFOUND) && (mapserv->map->web.empty)) {
/* msRedirect(mapserv->map->web.empty); */
if(msReturnURL(mapserv, mapserv->map->web.empty, BROWSE) != MS_SUCCESS) {
msIO_setHeader("Content-Type","text/html");
msIO_sendHeaders();
msIO_printf("<HTML>\n");
msIO_printf("<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n");
msIO_printf("<!-- %s -->\n", msGetVersion());
msIO_printf("<BODY BGCOLOR=\"#FFFFFF\">\n");
msWriteErrorXML(stdout);
msIO_printf("</BODY></HTML>");
}
} else {
if(mapserv->map->web.error) {
/* msRedirect(mapserv->map->web.error); */
if(msReturnURL(mapserv, mapserv->map->web.error, BROWSE) != MS_SUCCESS) {
msIO_setHeader("Content-Type","text/html");
msIO_sendHeaders();
msIO_printf("<HTML>\n");
msIO_printf("<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n");
msIO_printf("<!-- %s -->\n", msGetVersion());
msIO_printf("<BODY BGCOLOR=\"#FFFFFF\">\n");
msWriteErrorXML(stdout);
msIO_printf("</BODY></HTML>");
}
} else {
msIO_setHeader("Content-Type","text/html");
msIO_sendHeaders();
msIO_printf("<HTML>\n");
msIO_printf("<HEAD><TITLE>MapServer Message</TITLE></HEAD>\n");
msIO_printf("<!-- %s -->\n", msGetVersion());
msIO_printf("<BODY BGCOLOR=\"#FFFFFF\">\n");
msWriteErrorXML(stdout);
msIO_printf("</BODY></HTML>");
}
}
}
/*
** Converts a string (e.g. form parameter) to a double, first checking the format against
** a regular expression. returns an error if the format test fails.
*/
#define GET_NUMERIC(string,dbl) do { \
dbl = strtod((string), &strtoderr);\
if (*strtoderr) {\
msSetError(MS_TYPEERR, NULL, "GET_NUMERIC()");\
return MS_FAILURE;\
}\
} while (0)
static void setClassGroup(layerObj *layer, char *classgroup)
{
int i;
if(!layer || !classgroup) return;
for(i=0; i<layer->numclasses; i++) {
if(layer->class[i]->group && strcmp(layer->class[i]->group, classgroup) == 0) {
msFree(layer->classgroup);
layer->classgroup = msStrdup(classgroup);
return; /* bail */
}
}
}
/*
** Extract Map File name from params and load it.
** Returns map object or NULL on error.
*/
mapObj *msCGILoadMap(mapservObj *mapserv)
{
int i, j;
mapObj *map = NULL;
for(i=0; i<mapserv->request->NumParams; i++) /* find the mapfile parameter first */
if(strcasecmp(mapserv->request->ParamNames[i], "map") == 0) break;
if(i == mapserv->request->NumParams) {
char *ms_mapfile = getenv("MS_MAPFILE");
if(ms_mapfile) {
map = msLoadMap(ms_mapfile,NULL);
} else {
msSetError(MS_WEBERR, "CGI variable \"map\" is not set.", "msCGILoadMap()"); /* no default, outta here */
return NULL;
}
} else {
if(getenv(mapserv->request->ParamValues[i])) /* an environment variable references the actual file to use */
map = msLoadMap(getenv(mapserv->request->ParamValues[i]), NULL);
else {
/* by here we know the request isn't for something in an environment variable */
if(getenv("MS_MAP_NO_PATH")) {
msSetError(MS_WEBERR, "Mapfile not found in environment variables and this server is not configured for full paths.", "msCGILoadMap()");
return NULL;
}
if(getenv("MS_MAP_PATTERN") && msEvalRegex(getenv("MS_MAP_PATTERN"), mapserv->request->ParamValues[i]) != MS_TRUE) {
msSetError(MS_WEBERR, "Parameter 'map' value fails to validate.", "msCGILoadMap()");
return NULL;
}
/* ok to try to load now */
map = msLoadMap(mapserv->request->ParamValues[i], NULL);
}
}
if(!map) return NULL;
if(!msLookupHashTable(&(map->web.validation), "immutable")) {
/* check for any %variable% substitutions here, also do any map_ changes, we do this here so WMS/WFS */
/* services can take advantage of these "vendor specific" extensions */
for(i=0; i<mapserv->request->NumParams; i++) {
/*
** a few CGI variables should be skipped altogether
**
** qstring: there is separate per layer validation for attribute queries and the substitution checks
** below conflict with that so we avoid it here
*/
if(strncasecmp(mapserv->request->ParamNames[i],"qstring",7) == 0) continue;
/* check to see if there are any additions to the mapfile */
if(strncasecmp(mapserv->request->ParamNames[i],"map_",4) == 0 || strncasecmp(mapserv->request->ParamNames[i],"map.",4) == 0) {
if(msUpdateMapFromURL(map, mapserv->request->ParamNames[i], mapserv->request->ParamValues[i]) != MS_SUCCESS) {
msFreeMap(map);
return NULL;
}
continue;
}
if(strncasecmp(mapserv->request->ParamNames[i],"classgroup",10) == 0) { /* #4207 */
for(j=0; j<map->numlayers; j++) {
setClassGroup(GET_LAYER(map, j), mapserv->request->ParamValues[i]);
}
continue;
}
}
msApplySubstitutions(map, mapserv->request->ParamNames, mapserv->request->ParamValues, mapserv->request->NumParams);
msApplyDefaultSubstitutions(map);
/* check to see if a ogc map context is passed as argument. if there */
/* is one load it */
for(i=0; i<mapserv->request->NumParams; i++) {
if(strcasecmp(mapserv->request->ParamNames[i],"context") == 0) {
if(mapserv->request->ParamValues[i] && strlen(mapserv->request->ParamValues[i]) > 0) {
if(strncasecmp(mapserv->request->ParamValues[i],"http",4) == 0) {
if(msGetConfigOption(map, "CGI_CONTEXT_URL"))
msLoadMapContextURL(map, mapserv->request->ParamValues[i], MS_FALSE);
} else
msLoadMapContext(map, mapserv->request->ParamValues[i], MS_FALSE);
}
}
}
}
/*
* RFC-42 HTTP Cookie Forwarding
* Here we set the http_cookie_data metadata to handle the
* HTTP Cookie Forwarding. The content of this metadata is the cookie
* content. In the future, this metadata will probably be replaced
* by an object that is part of the mapObject that would contain
* information on the application status (such as cookie).
*/
if( mapserv->request->httpcookiedata != NULL ) {
msInsertHashTable( &(map->web.metadata), "http_cookie_data",
mapserv->request->httpcookiedata );
}
return map;
}
/*
** Set operation mode. First look in MS_MODE env. var. as a
** default value that can be overridden by the mode=... CGI param.
** Returns silently, leaving mapserv->Mode unchanged if mode param not set.
*/
int msCGISetMode(mapservObj *mapserv)
{
const char *mode = NULL;
int i, j;
mode = getenv("MS_MODE");
for( i=0; i<mapserv->request->NumParams; i++ ) {
if(strcasecmp(mapserv->request->ParamNames[i], "mode") == 0) {
mode = mapserv->request->ParamValues[i];
break;
}
}
if (mode) {
for(j=0; j<numModes; j++) {
if(strcasecmp(mode, modeStrings[j]) == 0) {
mapserv->Mode = j;
break;
}
}
if(j == numModes) {
msSetError(MS_WEBERR, "Invalid mode.", "msCGISetMode()");
return MS_FAILURE;
}
}
if (mapserv->Mode >= 0)
{
int disabled = MS_FALSE;
const char* enable_modes = msLookupHashTable(&mapserv->map->web.metadata, "ms_enable_modes");
if (!msOWSParseRequestMetadata(enable_modes, mode, &disabled) && disabled) {
/* the current mode is disabled */
msSetError(MS_WEBERR, "The specified mode '%s' is not supported by the current map configuration", "msCGISetMode()", mode);
return MS_FAILURE;
}
}
return MS_SUCCESS;
}
/*
** Process CGI parameters.
*/
int msCGILoadForm(mapservObj *mapserv)
{
int i,n;
char **tokens=NULL;
int rosa_type=0;
double tmpval;
char *strtoderr;
for(i=0; i<mapserv->request->NumParams; i++) { /* now process the rest of the form variables */
if(strlen(mapserv->request->ParamValues[i]) == 0)
continue;
if(strcasecmp(mapserv->request->ParamNames[i],"icon") == 0) {
mapserv->icon = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"queryfile") == 0) {
mapserv->QueryFile = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"savequery") == 0) {
mapserv->savequery = MS_TRUE;
continue;
}
/* Insecure as implemented, need to save someplace non accessible by everyone in the universe
if(strcasecmp(mapserv->request->ParamNames[i],"savemap") == 0) {
mapserv->savemap = MS_TRUE;
continue;
}
*/
if(strcasecmp(mapserv->request->ParamNames[i],"zoom") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->Zoom);
if((mapserv->Zoom > MAXZOOM) || (mapserv->Zoom < MINZOOM)) {
msSetError(MS_WEBERR, "Zoom value out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"zoomdir") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],tmpval);
mapserv->ZoomDirection = (int)tmpval;
if((mapserv->ZoomDirection != -1) && (mapserv->ZoomDirection != 1) && (mapserv->ZoomDirection != 0)) {
msSetError(MS_WEBERR, "Zoom direction must be 1, 0 or -1.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"zoomsize") == 0) { /* absolute zoom magnitude */
GET_NUMERIC(mapserv->request->ParamValues[i],tmpval);
mapserv->ZoomSize = (int)tmpval;
if((mapserv->ZoomSize > MAXZOOM) || (mapserv->ZoomSize < 1)) {
msSetError(MS_WEBERR, "Invalid zoom size.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"imgext") == 0) { /* extent of an existing image in a web application */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 4) {
msSetError(MS_WEBERR, "Not enough arguments for imgext.", "msCGILoadForm()");
return MS_FAILURE;
}
GET_NUMERIC(tokens[0],mapserv->ImgExt.minx);
GET_NUMERIC(tokens[1],mapserv->ImgExt.miny);
GET_NUMERIC(tokens[2],mapserv->ImgExt.maxx);
GET_NUMERIC(tokens[3],mapserv->ImgExt.maxy);
msFreeCharArray(tokens, 4);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"searchmap") == 0) {
mapserv->SearchMap = MS_TRUE;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"id") == 0) {
if(msEvalRegex(IDPATTERN, mapserv->request->ParamValues[i]) == MS_FALSE) {
msSetError(MS_WEBERR, "Parameter 'id' value fails to validate.", "msCGILoadForm()");
return MS_FAILURE;
}
strlcpy(mapserv->Id, mapserv->request->ParamValues[i], IDSIZE);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"mapext") == 0) { /* extent of the new map or query */
if(strncasecmp(mapserv->request->ParamValues[i],"shape",5) == 0)
mapserv->UseShapes = MS_TRUE;
else {
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 4) {
msSetError(MS_WEBERR, "Not enough arguments for mapext.", "msCGILoadForm()");
return MS_FAILURE;
}
GET_NUMERIC(tokens[0],mapserv->map->extent.minx);
GET_NUMERIC(tokens[1],mapserv->map->extent.miny);
GET_NUMERIC(tokens[2],mapserv->map->extent.maxx);
GET_NUMERIC(tokens[3],mapserv->map->extent.maxy);
msFreeCharArray(tokens, 4);
#ifdef USE_PROJ
/*
* If there is a projection in the map file, and it is not lon/lat, and the
* extents "look like" they *are* lon/lat, based on their size,
* then convert the extents to the map file projection.
*
* DANGER: If the extents are legitimately in the mapfile projection
* and coincidentally fall in the lon/lat range, bad things
* will ensue.
*/
if(mapserv->map->projection.proj && !pj_is_latlong(mapserv->map->projection.proj)
&& (mapserv->map->extent.minx >= -180.0 && mapserv->map->extent.minx <= 180.0)
&& (mapserv->map->extent.miny >= -90.0 && mapserv->map->extent.miny <= 90.0)
&& (mapserv->map->extent.maxx >= -180.0 && mapserv->map->extent.maxx <= 180.0)
&& (mapserv->map->extent.maxy >= -90.0 && mapserv->map->extent.maxy <= 90.0)) {
msProjectRect(&(mapserv->map->latlon), &(mapserv->map->projection), &(mapserv->map->extent)); /* extent is a in lat/lon */
}
#endif
if((mapserv->map->extent.minx != mapserv->map->extent.maxx) && (mapserv->map->extent.miny != mapserv->map->extent.maxy)) { /* extent seems ok */
mapserv->CoordSource = FROMUSERBOX;
mapserv->QueryCoordSource = FROMUSERBOX;
}
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"minx") == 0) { /* extent of the new map, in pieces */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->map->extent.minx);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"maxx") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->map->extent.maxx);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"miny") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->map->extent.miny);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"maxy") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->map->extent.maxy);
mapserv->CoordSource = FROMUSERBOX;
mapserv->QueryCoordSource = FROMUSERBOX;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"mapxy") == 0) { /* user map coordinate */
if(strncasecmp(mapserv->request->ParamValues[i],"shape",5) == 0) {
mapserv->UseShapes = MS_TRUE;
} else {
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for mapxy.", "msCGILoadForm()");
return MS_FAILURE;
}
GET_NUMERIC(tokens[0],mapserv->mappnt.x );
GET_NUMERIC(tokens[1],mapserv->mappnt.y );
msFreeCharArray(tokens, 2);
#ifdef USE_PROJ
if(mapserv->map->projection.proj && !pj_is_latlong(mapserv->map->projection.proj)
&& (mapserv->mappnt.x >= -180.0 && mapserv->mappnt.x <= 180.0)
&& (mapserv->mappnt.y >= -90.0 && mapserv->mappnt.y <= 90.0)) {
msProjectPoint(&(mapserv->map->latlon), &(mapserv->map->projection), &mapserv->mappnt); /* point is a in lat/lon */
}
#endif
if(mapserv->CoordSource == NONE) { /* don't override previous settings (i.e. buffer or scale ) */
mapserv->CoordSource = FROMUSERPNT;
mapserv->QueryCoordSource = FROMUSERPNT;
}
}
continue;
}
/*
** Query shape consisting of map or image coordinates. It's almost identical processing so we'll do either in this block...
*/
if(strcasecmp(mapserv->request->ParamNames[i], "mapshape") == 0 || strcasecmp(mapserv->request->ParamNames[i], "imgshape") == 0) {
if(strcasecmp(mapserv->request->ParamNames[i],"mapshape") == 0)
mapserv->QueryCoordSource = FROMUSERSHAPE;
else
mapserv->QueryCoordSource = FROMIMGSHAPE;
if(strchr(mapserv->request->ParamValues[i], '(') != NULL) { /* try WKT */
if((mapserv->map->query.shape = msShapeFromWKT(mapserv->request->ParamValues[i])) == NULL) {
msSetError(MS_WEBERR, "WKT parse failed for mapshape/imgshape.", "msCGILoadForm()");
return MS_FAILURE;
}
} else {
lineObj line= {0,NULL};
char **tmp=NULL;
int n, j;
tmp = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(n%2 != 0 || n<8) { /* n must be even and be at least 8 */
msSetError(MS_WEBERR, "Malformed polygon geometry for mapshape/imgshape.", "msCGILoadForm()");
return MS_FAILURE;
}
line.numpoints = n/2;
if((line.point = (pointObj *)malloc(sizeof(pointObj)*line.numpoints)) == NULL) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if((mapserv->map->query.shape = (shapeObj *) malloc(sizeof(shapeObj))) == NULL) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
msInitShape(mapserv->map->query.shape);
mapserv->map->query.shape->type = MS_SHAPE_POLYGON;
for(j=0; j<line.numpoints; j++) {
line.point[j].x = atof(tmp[2*j]);
line.point[j].y = atof(tmp[2*j+1]);
#ifdef USE_PROJ
if(mapserv->QueryCoordSource == FROMUSERSHAPE && mapserv->map->projection.proj && !pj_is_latlong(mapserv->map->projection.proj)
&& (line.point[j].x >= -180.0 && line.point[j].x <= 180.0)
&& (line.point[j].y >= -90.0 && line.point[j].y <= 90.0)) {
msProjectPoint(&(mapserv->map->latlon), &(mapserv->map->projection), &line.point[j]); /* point is a in lat/lon */
}
#endif
}
if(msAddLine(mapserv->map->query.shape, &line) == -1) {
msFree(line.point);
msFreeCharArray(tmp, n);
return MS_FAILURE;
}
msFree(line.point);
msFreeCharArray(tmp, n);
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"img.x") == 0) { /* mouse click, in pieces */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->ImgPnt.x);
if((mapserv->ImgPnt.x > (2*mapserv->map->maxsize)) || (mapserv->ImgPnt.x < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMIMGPNT;
mapserv->QueryCoordSource = FROMIMGPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"img.y") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->ImgPnt.y);
if((mapserv->ImgPnt.y > (2*mapserv->map->maxsize)) || (mapserv->ImgPnt.y < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMIMGPNT;
mapserv->QueryCoordSource = FROMIMGPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"imgxy") == 0) { /* mouse click, single variable */
if(mapserv->CoordSource == FROMIMGPNT)
continue;
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for imgxy.", "msCGILoadForm()");
return MS_FAILURE;
}
GET_NUMERIC(tokens[0],mapserv->ImgPnt.x );
GET_NUMERIC(tokens[1],mapserv->ImgPnt.y );
msFreeCharArray(tokens, 2);
if((mapserv->ImgPnt.x > (2*mapserv->map->maxsize)) || (mapserv->ImgPnt.x < (-2*mapserv->map->maxsize)) || (mapserv->ImgPnt.y > (2*mapserv->map->maxsize)) || (mapserv->ImgPnt.y < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Reference map coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
if(mapserv->CoordSource == NONE) { /* override nothing since this parameter is usually used to hold a default value */
mapserv->CoordSource = FROMIMGPNT;
mapserv->QueryCoordSource = FROMIMGPNT;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"imgbox") == 0) { /* selection box (eg. mouse drag) */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 4) {
msSetError(MS_WEBERR, "Not enough arguments for imgbox.", "msCGILoadForm()");
return MS_FAILURE;
}
GET_NUMERIC(tokens[0],mapserv->ImgBox.minx);
GET_NUMERIC(tokens[1],mapserv->ImgBox.miny);
GET_NUMERIC(tokens[2],mapserv->ImgBox.maxx);
GET_NUMERIC(tokens[3],mapserv->ImgBox.maxy);
msFreeCharArray(tokens, 4);
if((mapserv->ImgBox.minx != mapserv->ImgBox.maxx) && (mapserv->ImgBox.miny != mapserv->ImgBox.maxy)) { /* must not degenerate into a point */
mapserv->CoordSource = FROMIMGBOX;
mapserv->QueryCoordSource = FROMIMGBOX;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"ref.x") == 0) { /* mouse click in reference image, in pieces */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->RefPnt.x);
if((mapserv->RefPnt.x > (2*mapserv->map->maxsize)) || (mapserv->RefPnt.x < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMREFPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"ref.y") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->RefPnt.y);
if((mapserv->RefPnt.y > (2*mapserv->map->maxsize)) || (mapserv->RefPnt.y < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMREFPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"refxy") == 0) { /* mouse click in reference image, single variable */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for imgxy.", "msCGILoadForm()");
return MS_FAILURE;
}
GET_NUMERIC(tokens[0],mapserv->RefPnt.x);
GET_NUMERIC(tokens[1],mapserv->RefPnt.y);
msFreeCharArray(tokens, 2);
if((mapserv->RefPnt.x > (2*mapserv->map->maxsize)) || (mapserv->RefPnt.x < (-2*mapserv->map->maxsize)) || (mapserv->RefPnt.y > (2*mapserv->map->maxsize)) || (mapserv->RefPnt.y < (-2*mapserv->map->maxsize))) {
msSetError(MS_WEBERR, "Reference map coordinate out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMREFPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"buffer") == 0) { /* radius (map units), actually 1/2 square side */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->Buffer);
mapserv->CoordSource = FROMBUF;
mapserv->QueryCoordSource = FROMUSERPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"scale") == 0 || strcasecmp(mapserv->request->ParamNames[i],"scaledenom") == 0) { /* scale for new map */
GET_NUMERIC(mapserv->request->ParamValues[i],mapserv->ScaleDenom);
if(mapserv->ScaleDenom <= 0) {
msSetError(MS_WEBERR, "Scale out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMSCALE;
mapserv->QueryCoordSource = FROMUSERPNT;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"imgsize") == 0) { /* size of existing image (pixels) */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for imgsize.", "msCGILoadForm()");
return MS_FAILURE;
}
GET_NUMERIC(tokens[0],tmpval);
mapserv->ImgCols = (int)tmpval;
GET_NUMERIC(tokens[1],tmpval);
mapserv->ImgRows = (int)tmpval;
msFreeCharArray(tokens, 2);
if(mapserv->ImgCols > mapserv->map->maxsize || mapserv->ImgRows > mapserv->map->maxsize || mapserv->ImgCols <= 0 || mapserv->ImgRows <= 0) {
msSetError(MS_WEBERR, "Image size out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"mapsize") == 0) { /* size of new map (pixels) */
tokens = msStringSplit(mapserv->request->ParamValues[i], ' ', &n);
if(!tokens) {
msSetError(MS_MEMERR, NULL, "msCGILoadForm()");
return MS_FAILURE;
}
if(n != 2) {
msSetError(MS_WEBERR, "Not enough arguments for mapsize.", "msCGILoadForm()");
return MS_FAILURE;
}
GET_NUMERIC(tokens[0],tmpval);
mapserv->map->width = (int)tmpval;
GET_NUMERIC(tokens[1],tmpval);
mapserv->map->height = (int)tmpval;
msFreeCharArray(tokens, 2);
if(mapserv->map->width > mapserv->map->maxsize || mapserv->map->height > mapserv->map->maxsize || mapserv->map->width <= 0 || mapserv->map->height <= 0) {
msSetError(MS_WEBERR, "Image size out of range.", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strncasecmp(mapserv->request->ParamNames[i],"layers", 6) == 0) { /* turn a set of layers, delimited by spaces, on */
/* If layers=all then turn on all layers */
if (strcasecmp(mapserv->request->ParamValues[i], "all") == 0 && mapserv->map != NULL) {
int l;
/* Reset NumLayers=0. If individual layers were already selected then free the previous values. */
for(l=0; l<mapserv->NumLayers; l++)
msFree(mapserv->Layers[l]);
mapserv->NumLayers=0;
for(mapserv->NumLayers=0; mapserv->NumLayers < mapserv->map->numlayers; mapserv->NumLayers++) {
if(msGrowMapservLayers(mapserv) == MS_FAILURE)
return MS_FAILURE;
if(GET_LAYER(mapserv->map, mapserv->NumLayers)->name) {
mapserv->Layers[mapserv->NumLayers] = msStrdup(GET_LAYER(mapserv->map, mapserv->NumLayers)->name);
} else {
mapserv->Layers[mapserv->NumLayers] = msStrdup("");
}
}
} else {
int num_layers=0, l;
char **layers=NULL;
layers = msStringSplit(mapserv->request->ParamValues[i], ' ', &(num_layers));
for(l=0; l<num_layers; l++) {
if(msGrowMapservLayers(mapserv) == MS_FAILURE)
return MS_FAILURE;
mapserv->Layers[mapserv->NumLayers++] = msStrdup(layers[l]);
}
msFreeCharArray(layers, num_layers);
num_layers = 0;
}
continue;
}
if(strncasecmp(mapserv->request->ParamNames[i],"layer", 5) == 0) { /* turn a single layer/group on */
if(msGrowMapservLayers(mapserv) == MS_FAILURE)
return MS_FAILURE;
mapserv->Layers[mapserv->NumLayers] = msStrdup(mapserv->request->ParamValues[i]);
mapserv->NumLayers++;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"qlayer") == 0) { /* layer to query (i.e search) */
mapserv->QueryLayer = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"qitem") == 0) { /* attribute to query on (optional) */
mapserv->QueryItem = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"qstring") == 0) { /* attribute query string */
mapserv->QueryString = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"qformat") == 0) { /* format to apply to query results (shortcut instead of having to use "map.web=QUERYFORMAT+foo") */
if(mapserv->map->web.queryformat) free(mapserv->map->web.queryformat); /* avoid leak */
mapserv->map->web.queryformat = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"slayer") == 0) { /* layer to select (for feature based search) */
mapserv->SelectLayer = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"shapeindex") == 0) { /* used for index queries */
GET_NUMERIC(mapserv->request->ParamValues[i],tmpval);
mapserv->ShapeIndex = (int)tmpval;
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"tileindex") == 0) {
GET_NUMERIC(mapserv->request->ParamValues[i],tmpval);
mapserv->TileIndex = (int)tmpval;
continue;
}
/* --------------------------------------------------------------------
* The following code is used to support mode=tile
* -------------------------------------------------------------------- */
if(strcasecmp(mapserv->request->ParamNames[i], "tilemode") == 0) {
/* currently, only valid tilemode is "spheremerc" */
if( strcasecmp(mapserv->request->ParamValues[i], "gmap") == 0) {
mapserv->TileMode = TILE_GMAP;
} else if ( strcasecmp(mapserv->request->ParamValues[i], "ve") == 0 ) {
mapserv->TileMode = TILE_VE;
} else {
msSetError(MS_WEBERR, "Invalid tilemode. Use one of: gmap, ve", "msCGILoadForm()");
return MS_FAILURE;
}
continue;
}
if(strcasecmp(mapserv->request->ParamNames[i],"tile") == 0) {
if( strlen(mapserv->request->ParamValues[i]) < 1 ) {
msSetError(MS_WEBERR, "Empty tile parameter.", "msCGILoadForm()");
return MS_FAILURE;
}
mapserv->CoordSource = FROMTILE;
mapserv->TileCoords = msStrdup(mapserv->request->ParamValues[i]);
continue;
}
/* -------------------------------------------------------------------- */
/* The following code is used to support the rosa applet (for */
/* more information on Rosa, please consult : */
/* http://www.maptools.org/rosa/) . */
/* This code was provided by [email protected]. */
/* */
/* For Application using it can be seen at : */
/* http://www.agso.gov.au/map/pilbara/ */
/* */
/* -------------------------------------------------------------------- */
if(strcasecmp(mapserv->request->ParamNames[i],"INPUT_TYPE") == 0) {
/* Rosa input type */
if(strcasecmp(mapserv->request->ParamValues[i],"auto_rect") == 0) {
rosa_type=1; /* rectangle */
continue;
}
if(strcasecmp(mapserv->request->ParamValues[i],"auto_point") == 0) {
rosa_type=2; /* point */
continue;
}
}
if(strcasecmp(mapserv->request->ParamNames[i],"INPUT_COORD") == 0) {
/* Rosa coordinates */
switch(rosa_type) {
case 1:
sscanf(mapserv->request->ParamValues[i],"%lf,%lf;%lf,%lf",
&mapserv->ImgBox.minx,&mapserv->ImgBox.miny,&mapserv->ImgBox.maxx,
&mapserv->ImgBox.maxy);
if((mapserv->ImgBox.minx != mapserv->ImgBox.maxx) &&
(mapserv->ImgBox.miny != mapserv->ImgBox.maxy)) {
mapserv->CoordSource = FROMIMGBOX;
mapserv->QueryCoordSource = FROMIMGBOX;
} else {
mapserv->CoordSource = FROMIMGPNT;
mapserv->QueryCoordSource = FROMIMGPNT;
mapserv->ImgPnt.x=mapserv->ImgBox.minx;
mapserv->ImgPnt.y=mapserv->ImgBox.miny;
}
break;
case 2:
sscanf(mapserv->request->ParamValues[i],"%lf,%lf",&mapserv->ImgPnt.x,
&mapserv->ImgPnt.y);
mapserv->CoordSource = FROMIMGPNT;
mapserv->QueryCoordSource = FROMIMGPNT;
break;
}
continue;
}
/* -------------------------------------------------------------------- */
/* end of code for Rosa support. */
/* -------------------------------------------------------------------- */
} /* next parameter */
if(mapserv->Mode == ZOOMIN) {
mapserv->ZoomDirection = 1;
mapserv->Mode = BROWSE;
}
if(mapserv->Mode == ZOOMOUT) {
mapserv->ZoomDirection = -1;
mapserv->Mode = BROWSE;
}
if(mapserv->ZoomSize != 0) { /* use direction and magnitude to calculate zoom */
if(mapserv->ZoomDirection == 0) {