QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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qgswfsgetcapabilities.cpp
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1/***************************************************************************
2 qgswfsgecapabilities.cpp
3 -------------------------
4 begin : December 20 , 2016
5 copyright : (C) 2007 by Marco Hugentobler (original code)
6 (C) 2012 by René-Luc D'Hont (original code)
7 (C) 2014 by Alessandro Pasotti (original code)
8 (C) 2017 by David Marteau
9 email : marco dot hugentobler at karto dot baug dot ethz dot ch
10 a dot pasotti at itopen dot it
11 david dot marteau at 3liz dot com
12 ***************************************************************************/
13
14/***************************************************************************
15 * *
16 * This program is free software; you can redistribute it and/or modify *
17 * it under the terms of the GNU General Public License as published by *
18 * the Free Software Foundation; either version 2 of the License, or *
19 * (at your option) any later version. *
20 * *
21 ***************************************************************************/
22#include "qgswfsutils.h"
23#include "qgsserverprojectutils.h"
24#include "qgswfsgetcapabilities.h"
25
26#include "qgsproject.h"
27#include "qgsexception.h"
28#include "qgsvectorlayer.h"
29#include "qgsvectordataprovider.h"
30#include "qgscoordinatereferencesystem.h"
31#include "qgscoordinatetransform.h"
32
33namespace QgsWfs
34{
35
39 void writeGetCapabilities( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
40 const QgsServerRequest &request, QgsServerResponse &response )
41 {
42#ifdef HAVE_SERVER_PYTHON_PLUGINS
43 QgsAccessControl *accessControl = serverIface->accessControls();
44#endif
45 QDomDocument doc;
46 const QDomDocument *capabilitiesDocument = nullptr;
47
48#ifdef HAVE_SERVER_PYTHON_PLUGINS
49 QgsServerCacheManager *cacheManager = serverIface->cacheManager();
50 if ( cacheManager && cacheManager->getCachedDocument( &doc, project, request, accessControl ) )
51 {
52 capabilitiesDocument = &doc;
53 }
54 else //capabilities xml not in cache. Create a new one
55 {
56 doc = createGetCapabilitiesDocument( serverIface, project, version, request );
57
58 if ( cacheManager )
59 {
60 cacheManager->setCachedDocument( &doc, project, request, accessControl );
61 }
62 capabilitiesDocument = &doc;
63 }
64#else
65 doc = createGetCapabilitiesDocument( serverIface, project, version, request );
66 capabilitiesDocument = &doc;
67#endif
68 response.setHeader( QStringLiteral( "Content-Type" ), QStringLiteral( "text/xml; charset=utf-8" ) );
69 response.write( capabilitiesDocument->toByteArray() );
70 }
71
72
73 QDomDocument createGetCapabilitiesDocument( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
74 const QgsServerRequest &request )
75 {
76 Q_UNUSED( version )
77
78 QDomDocument doc;
79
80 //wfs:WFS_Capabilities element
81 QDomElement wfsCapabilitiesElement = doc.createElement( QStringLiteral( "WFS_Capabilities" )/*wms:WFS_Capabilities*/ );
82 wfsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns" ), WFS_NAMESPACE );
83 wfsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
84 wfsCapabilitiesElement.setAttribute( QStringLiteral( "xsi:schemaLocation" ), WFS_NAMESPACE + " http://schemas.opengis.net/wfs/1.1.0/wfs.xsd" );
85 wfsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:ogc" ), OGC_NAMESPACE );
86 wfsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:gml" ), GML_NAMESPACE );
87 wfsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:ows" ), QStringLiteral( "http://www.opengis.net/ows" ) );
88 wfsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:xlink" ), QStringLiteral( "http://www.w3.org/1999/xlink" ) );
89 wfsCapabilitiesElement.setAttribute( QStringLiteral( "version" ), implementationVersion() );
90 wfsCapabilitiesElement.setAttribute( QStringLiteral( "updateSequence" ), QStringLiteral( "0" ) );
91 doc.appendChild( wfsCapabilitiesElement );
92
93 //ows:ServiceIdentification
94 wfsCapabilitiesElement.appendChild( getServiceIdentificationElement( doc, project ) );
95
96 //ows:ServiceProvider
97 wfsCapabilitiesElement.appendChild( getServiceProviderElement( doc, project ) );
98
99 //wfs:OperationsMetadata
100 wfsCapabilitiesElement.appendChild( getOperationsMetadataElement( doc, project, request, serverIface->serverSettings() ) );
101
102 //wfs:FeatureTypeList
103 wfsCapabilitiesElement.appendChild( getFeatureTypeListElement( doc, serverIface, project ) );
104
105 /*
106 * Adding ogc:Filter_Capabilities in wfsCapabilitiesElement
107 */
108 //ogc:Filter_Capabilities element
109 QDomElement filterCapabilitiesElement = doc.createElement( QStringLiteral( "ogc:Filter_Capabilities" )/*ogc:Filter_Capabilities*/ );
110 wfsCapabilitiesElement.appendChild( filterCapabilitiesElement );
111 QDomElement spatialCapabilitiesElement = doc.createElement( QStringLiteral( "ogc:Spatial_Capabilities" )/*ogc:Spatial_Capabilities*/ );
112 filterCapabilitiesElement.appendChild( spatialCapabilitiesElement );
113 //GeometryOperands
114 QStringList geometryOperands;
115 geometryOperands << QStringLiteral( "gml:Point" ) << QStringLiteral( "gml:LineString" ) << QStringLiteral( "gml:Polygon" )
116 << QStringLiteral( "gml:Envelope" );
117 QDomElement geometryOperandsElem = doc.createElement( QStringLiteral( "ogc:GeometryOperands" ) );
118 for ( const QString &geometryOperand : geometryOperands )
119 {
120 QDomElement geometryOperandElem = doc.createElement( QStringLiteral( "ogc:GeometryOperand" ) );
121 const QDomText geometryOperandText = doc.createTextNode( geometryOperand );
122 geometryOperandElem.appendChild( geometryOperandText );
123 geometryOperandsElem.appendChild( geometryOperandElem );
124 }
125 spatialCapabilitiesElement.appendChild( geometryOperandsElem );
126 //SpatialOperators
127 QStringList spatialOperators;
128 spatialOperators << QStringLiteral( "Equals" ) << QStringLiteral( "Disjoint" ) << QStringLiteral( "Touches" )
129 << QStringLiteral( "Within" ) << QStringLiteral( "Overlaps" ) << QStringLiteral( "Crosses" )
130 << QStringLiteral( "Intersects" ) << QStringLiteral( "Contains" ) << QStringLiteral( "BBOX" );
131 QDomElement spatialOperatorsElem = doc.createElement( QStringLiteral( "ogc:SpatialOperators" ) );
132 for ( const QString &spatialOperator : spatialOperators )
133 {
134 QDomElement spatialOperatorElem = doc.createElement( QStringLiteral( "ogc:SpatialOperator" ) );
135 spatialOperatorElem.setAttribute( QStringLiteral( "name" ), spatialOperator );
136 spatialOperatorsElem.appendChild( spatialOperatorElem );
137 }
138 spatialCapabilitiesElement.appendChild( spatialOperatorsElem );
139 QDomElement scalarCapabilitiesElement = doc.createElement( QStringLiteral( "ogc:Scalar_Capabilities" )/*ogc:Scalar_Capabilities*/ );
140 filterCapabilitiesElement.appendChild( scalarCapabilitiesElement );
141 const QDomElement logicalOperatorsElement = doc.createElement( QStringLiteral( "ogc:LogicalOperators" ) );
142 scalarCapabilitiesElement.appendChild( logicalOperatorsElement );
143 // ComparisonOperators
144 QStringList comparisonOperators;
145 comparisonOperators << QStringLiteral( "LessThan" ) << QStringLiteral( "GreaterThan" )
146 << QStringLiteral( "LessThanEqualTo" ) << QStringLiteral( "GreaterThanEqualTo" )
147 << QStringLiteral( "EqualTo" ) << QStringLiteral( "Like" ) << QStringLiteral( "Between" );
148 QDomElement comparisonOperatorsElem = doc.createElement( QStringLiteral( "ogc:ComparisonOperators" ) );
149 for ( const QString &comparisonOperator : comparisonOperators )
150 {
151 QDomElement comparisonOperatorElem = doc.createElement( QStringLiteral( "ogc:ComparisonOperator" ) );
152 const QDomText comparisonOperatorText = doc.createTextNode( comparisonOperator );
153 comparisonOperatorElem.appendChild( comparisonOperatorText );
154 comparisonOperatorsElem.appendChild( comparisonOperatorElem );
155 }
156 scalarCapabilitiesElement.appendChild( comparisonOperatorsElem );
157
158 QDomElement idCapabilitiesElement = doc.createElement( QStringLiteral( "ogc:Id_Capabilities" ) );
159 const QDomElement fidElem = doc.createElement( QStringLiteral( "ogc:FID" ) );
160 idCapabilitiesElement.appendChild( fidElem );
161 filterCapabilitiesElement.appendChild( idCapabilitiesElement );
162
163 return doc;
164
165 }
166
167 QDomElement getServiceIdentificationElement( QDomDocument &doc, const QgsProject *project )
168 {
169 //Service element
170 QDomElement serviceElem = doc.createElement( QStringLiteral( "ows:ServiceIdentification" ) );
171
172 const QString title = QgsServerProjectUtils::owsServiceTitle( *project );
173 QDomElement titleElem = doc.createElement( QStringLiteral( "ows:Title" ) );
174 const QDomText titleText = doc.createTextNode( title );
175 titleElem.appendChild( titleText );
176 serviceElem.appendChild( titleElem );
177
178 const QString abstract = QgsServerProjectUtils::owsServiceAbstract( *project );
179 if ( !abstract.isEmpty() )
180 {
181 QDomElement abstractElem = doc.createElement( QStringLiteral( "ows:Abstract" ) );
182 const QDomText abstractText = doc.createCDATASection( abstract );
183 abstractElem.appendChild( abstractText );
184 serviceElem.appendChild( abstractElem );
185 }
186
187 const QStringList keywords = QgsServerProjectUtils::owsServiceKeywords( *project );
188 if ( !keywords.isEmpty() && !keywords.join( QLatin1String( ", " ) ).isEmpty() )
189 {
190 QDomElement keywordsElem = doc.createElement( QStringLiteral( "ows:Keywords" ) );
191 for ( const QString &keyword : keywords )
192 {
193 if ( !keyword.isEmpty() )
194 {
195 QDomElement keywordElem = doc.createElement( QStringLiteral( "ows:Keyword" ) );
196 const QDomText keywordText = doc.createTextNode( keyword );
197 keywordElem.appendChild( keywordText );
198 keywordsElem.appendChild( keywordElem );
199 }
200 }
201 serviceElem.appendChild( keywordsElem );
202 }
203
204 //Service type
205 QDomElement serviceTypeElem = doc.createElement( QStringLiteral( "ows:ServiceType" ) );
206 const QDomText serviceTypeText = doc.createTextNode( "WFS" );
207 serviceTypeElem.appendChild( serviceTypeText );
208 serviceElem.appendChild( serviceTypeElem );
209
210 //Service type version
211 QDomElement serviceTypeVersionElem = doc.createElement( QStringLiteral( "ows:ServiceTypeVersion" ) );
212 const QDomText serviceTypeVersionText = doc.createTextNode( "1.1.0" );
213 serviceTypeVersionElem.appendChild( serviceTypeVersionText );
214 serviceElem.appendChild( serviceTypeVersionElem );
215
216 QDomElement feesElem = doc.createElement( QStringLiteral( "ows:Fees" ) );
217 QDomText feesText = doc.createTextNode( "None" );
218 const QString fees = QgsServerProjectUtils::owsServiceFees( *project );
219 if ( !fees.isEmpty() )
220 {
221 feesText = doc.createTextNode( fees );
222 }
223 feesElem.appendChild( feesText );
224 serviceElem.appendChild( feesElem );
225
226 QDomElement accessConstraintsElem = doc.createElement( QStringLiteral( "ows:AccessConstraints" ) );
227 const QString accessConstraints = QgsServerProjectUtils::owsServiceAccessConstraints( *project );
228 QDomText accessConstraintsText = doc.createTextNode( "None" );
229 if ( !accessConstraints.isEmpty() )
230 {
231 accessConstraintsText = doc.createTextNode( accessConstraints );
232 }
233 accessConstraintsElem.appendChild( accessConstraintsText );
234 serviceElem.appendChild( accessConstraintsElem );
235
236 return serviceElem;
237
238 }
239
240 QDomElement getServiceProviderElement( QDomDocument &doc, const QgsProject *project )
241 {
242 //Service element
243 QDomElement serviceElem = doc.createElement( QStringLiteral( "ows:ServiceProvider" ) );
244
245 //ProviderName
246 const QString contactOrganization = QgsServerProjectUtils::owsServiceContactOrganization( *project );
247 if ( !contactOrganization.isEmpty() )
248 {
249 QDomElement providerNameElem = doc.createElement( QStringLiteral( "ows:ProviderName" ) );
250 const QDomText providerNameText = doc.createTextNode( contactOrganization );
251 providerNameElem.appendChild( providerNameText );
252 serviceElem.appendChild( providerNameElem );
253 }
254
255 const QString contactPerson = QgsServerProjectUtils::owsServiceContactPerson( *project );
256 const QString contactPosition = QgsServerProjectUtils::owsServiceContactPosition( *project );
257 if ( !contactPerson.isEmpty() ||
258 !contactPosition.isEmpty() )
259 {
260 //Contact information
261 QDomElement serviceContactElem = doc.createElement( QStringLiteral( "ows:ServiceContact" ) );
262
263 if ( !contactPerson.isEmpty() )
264 {
265 QDomElement individualNameElem = doc.createElement( QStringLiteral( "ows:IndividualName" ) );
266 const QDomText individualNameText = doc.createTextNode( contactPerson );
267 individualNameElem.appendChild( individualNameText );
268 serviceContactElem.appendChild( individualNameElem );
269 }
270
271 if ( !contactPosition.isEmpty() )
272 {
273 QDomElement positionNameElem = doc.createElement( QStringLiteral( "ows:PositionName" ) );
274 const QDomText positionNameText = doc.createTextNode( contactPosition );
275 positionNameElem.appendChild( positionNameText );
276 serviceContactElem.appendChild( positionNameElem );
277 }
278
279 const QString contactMail = QgsServerProjectUtils::owsServiceContactMail( *project );
280 const QString contactPhone = QgsServerProjectUtils::owsServiceContactPhone( *project );
281 const QString onlineResource = QgsServerProjectUtils::owsServiceOnlineResource( *project );
282 if ( !contactMail.isEmpty() ||
283 !contactPhone.isEmpty() ||
284 !onlineResource.isEmpty() )
285 {
286 //Contact information
287 QDomElement contactInfoElem = doc.createElement( QStringLiteral( "ows:ContactInfo" ) );
288
289 if ( !contactPhone.isEmpty() )
290 {
291 QDomElement phoneElem = doc.createElement( QStringLiteral( "ows:Phone" ) );
292 QDomElement voiceElem = doc.createElement( QStringLiteral( "ows:Voice" ) );
293 const QDomText voiceText = doc.createTextNode( contactPhone );
294 voiceElem.appendChild( voiceText );
295 phoneElem.appendChild( voiceElem );
296 contactInfoElem.appendChild( phoneElem );
297 }
298
299 if ( !contactMail.isEmpty() )
300 {
301 QDomElement addressElem = doc.createElement( QStringLiteral( "ows:Address" ) );
302 QDomElement mailElem = doc.createElement( QStringLiteral( "ows:ElectronicMailAddress" ) );
303 const QDomText mailText = doc.createTextNode( contactMail );
304 mailElem.appendChild( mailText );
305 addressElem.appendChild( mailElem );
306 contactInfoElem.appendChild( addressElem );
307 }
308
309 if ( !onlineResource.isEmpty() )
310 {
311 QDomElement onlineResourceElem = doc.createElement( QStringLiteral( "ows:OnlineResource" ) );
312 onlineResourceElem.setAttribute( "xlink:href", onlineResource );
313 contactInfoElem.appendChild( onlineResourceElem );
314 }
315 }
316
317 QDomElement roleElem = doc.createElement( QStringLiteral( "ows:Role" ) );
318 const QDomText roleText = doc.createTextNode( "PointOfContact" );
319 roleElem.appendChild( roleText );
320 serviceContactElem.appendChild( roleElem );
321
322 serviceElem.appendChild( serviceContactElem );
323 }
324
325 return serviceElem;
326
327 }
328
329 QDomElement getParameterElement( QDomDocument &doc, const QString &name, const QStringList &values )
330 {
331 QDomElement parameterElement = doc.createElement( QStringLiteral( "ows:Parameter" ) );
332 parameterElement.setAttribute( QStringLiteral( "name" ), name );
333
334 for ( const QString &v : values )
335 {
336 QDomElement valueElement = doc.createElement( QStringLiteral( "ows:Value" ) );
337 const QDomText valueText = doc.createTextNode( v );
338 valueElement.appendChild( valueText );
339 parameterElement.appendChild( valueElement );
340 }
341
342 return parameterElement;
343 }
344
345 QDomElement getOperationsMetadataElement( QDomDocument &doc, const QgsProject *project, const QgsServerRequest &request, const QgsServerSettings *settings )
346 {
347 QDomElement oprationsElement = doc.createElement( QStringLiteral( "ows:OperationsMetadata" ) );
348
349 // Prepare url
350 const QString hrefString = serviceUrl( request, project, *settings );
351
352 QDomElement operationElement = doc.createElement( QStringLiteral( "ows:Operation" ) );
353 QDomElement dcpElement = doc.createElement( QStringLiteral( "ows:DCP" ) );
354 QDomElement httpElement = doc.createElement( QStringLiteral( "ows:HTTP" ) );
355 QDomElement getElement = doc.createElement( QStringLiteral( "ows:Get" ) );
356 getElement.setAttribute( QStringLiteral( "xlink:href" ), hrefString );
357 httpElement.appendChild( getElement );
358
359 QDomElement postElement = doc.createElement( QStringLiteral( "ows:Post" ) );
360 postElement.setAttribute( QStringLiteral( "xlink:href" ), hrefString );
361 httpElement.appendChild( postElement );
362
363 dcpElement.appendChild( httpElement );
364 operationElement.appendChild( dcpElement );
365
366 // GetCapabilities
367 QDomElement getCapabilitiesElement = operationElement.cloneNode().toElement();
368 getCapabilitiesElement.setAttribute( QStringLiteral( "name" ), QStringLiteral( "GetCapabilities" ) );
369 // GetCapabilities service
370 const QDomElement serviceParameterElement = getParameterElement( doc, QStringLiteral( "service" ),
371 QStringList() << QStringLiteral( "WFS" ) );
372 getCapabilitiesElement.appendChild( serviceParameterElement );
373 // GetCapabilities AcceptVersions
374 const QDomElement acceptVersionsParameterElement = getParameterElement( doc, QStringLiteral( "AcceptVersions" ),
375 QStringList() << QStringLiteral( "1.1.0" ) << QStringLiteral( "1.0.0" ) );
376 getCapabilitiesElement.appendChild( acceptVersionsParameterElement );
377 // GetCapabilities AcceptFormats
378 const QDomElement acceptFormatsParameterElement = getParameterElement( doc, QStringLiteral( "AcceptFormats" ),
379 QStringList() << QStringLiteral( "text/xml" ) );
380 getCapabilitiesElement.appendChild( acceptFormatsParameterElement );
381 // Add
382 oprationsElement.appendChild( getCapabilitiesElement );
383
384 // DescribeFeatureType
385 QDomElement describeFeatureTypeElement = operationElement.cloneNode().toElement();
386 describeFeatureTypeElement.setAttribute( QStringLiteral( "name" ), QStringLiteral( "DescribeFeatureType" ) );
387 // DescribeFeatureType outputFormat
388 const QDomElement dftOutputFormatParameterElement = getParameterElement( doc, QStringLiteral( "outputFormat" ),
389 QStringList() << QStringLiteral( "XMLSCHEMA" )
390 << QStringLiteral( "text/xml; subtype=gml/2.1.2" )
391 << QStringLiteral( "text/xml; subtype=gml/3.1.1" ) );
392 describeFeatureTypeElement.appendChild( dftOutputFormatParameterElement );
393 // Add
394 oprationsElement.appendChild( describeFeatureTypeElement );
395
396 // GetFeature
397 QDomElement getFeatureElement = operationElement.cloneNode().toElement();
398 getFeatureElement.setAttribute( QStringLiteral( "name" ), QStringLiteral( "GetFeature" ) );
399 // GetFeature outputFormat
400 const QDomElement gfOutputFormatParameterElement = getParameterElement( doc, QStringLiteral( "outputFormat" ),
401 QStringList() << QStringLiteral( "text/xml; subtype=gml/2.1.2" )
402 << QStringLiteral( "text/xml; subtype=gml/3.1.1" )
403 << QStringLiteral( "application/vnd.geo+json" ) );
404 getFeatureElement.appendChild( gfOutputFormatParameterElement );
405 // GetFeature resultType
406 const QDomElement resultTypeParameterElement = getParameterElement( doc, QStringLiteral( "resultType" ),
407 QStringList() << QStringLiteral( "results" ) << QStringLiteral( "hits" ) );
408 getFeatureElement.appendChild( resultTypeParameterElement );
409 // Add
410 oprationsElement.appendChild( getFeatureElement );
411
412 // Transaction
413 QDomElement transactionElement = operationElement.cloneNode().toElement();
414 transactionElement.setAttribute( QStringLiteral( "name" ), QStringLiteral( "Transaction" ) );
415 // GetFeature inputFormat
416 const QDomElement inputFormatParameterElement = getParameterElement( doc, QStringLiteral( "inputFormat" ),
417 QStringList() << QStringLiteral( "text/xml; subtype=gml/2.1.2" )
418 << QStringLiteral( "text/xml; subtype=gml/3.1.1" )
419 << QStringLiteral( "application/vnd.geo+json" ) );
420 transactionElement.appendChild( inputFormatParameterElement );
421 // Add
422 oprationsElement.appendChild( transactionElement );
423
424 return oprationsElement;
425
426 }
427
428 QDomElement getFeatureTypeListElement( QDomDocument &doc, QgsServerInterface *serverIface, const QgsProject *project )
429 {
430#ifdef HAVE_SERVER_PYTHON_PLUGINS
431 QgsAccessControl *accessControl = serverIface->accessControls();
432#else
433 ( void )serverIface;
434#endif
435
436 //wfs:FeatureTypeList element
437 QDomElement featureTypeListElement = doc.createElement( QStringLiteral( "FeatureTypeList" )/*wfs:FeatureTypeList*/ );
438 //wfs:Operations element
439 QDomElement operationsElement = doc.createElement( QStringLiteral( "Operations" )/*wfs:Operations*/ );
440 featureTypeListElement.appendChild( operationsElement );
441 //wfs:Query element
442 QDomElement operationElement = doc.createElement( QStringLiteral( "Operation" ) );
443 const QDomText queryText = doc.createTextNode( "Query" );
444 operationElement.appendChild( queryText );
445 operationsElement.appendChild( operationElement );
446
447 const QStringList wfsLayerIds = QgsServerProjectUtils::wfsLayerIds( *project );
448 const QStringList wfstUpdateLayersId = QgsServerProjectUtils::wfstUpdateLayerIds( *project );
449 const QStringList wfstInsertLayersId = QgsServerProjectUtils::wfstInsertLayerIds( *project );
450 const QStringList wfstDeleteLayersId = QgsServerProjectUtils::wfstDeleteLayerIds( *project );
451 for ( const QString &wfsLayerId : wfsLayerIds )
452 {
453 QgsMapLayer *layer = project->mapLayer( wfsLayerId );
454 if ( !layer )
455 {
456 continue;
457 }
458 if ( layer->type() != Qgis::LayerType::Vector )
459 {
460 continue;
461 }
462#ifdef HAVE_SERVER_PYTHON_PLUGINS
463 if ( accessControl && !accessControl->layerReadPermission( layer ) )
464 {
465 continue;
466 }
467#endif
468 QDomElement layerElem = doc.createElement( QStringLiteral( "FeatureType" ) );
469
470 //create Name
471 QDomElement nameElem = doc.createElement( QStringLiteral( "Name" ) );
472 const QDomText nameText = doc.createTextNode( layerTypeName( layer ) );
473 nameElem.appendChild( nameText );
474 layerElem.appendChild( nameElem );
475
476 //create Title
477 QDomElement titleElem = doc.createElement( QStringLiteral( "Title" ) );
478 QString title = layer->serverProperties()->wfsTitle();
479 if ( title.isEmpty() )
480 {
481 title = layer->name();
482 }
483 const QDomText titleText = doc.createTextNode( title );
484 titleElem.appendChild( titleText );
485 layerElem.appendChild( titleElem );
486
487 //create Abstract
488 const QString abstract = layer->serverProperties()->abstract();
489 if ( !abstract.isEmpty() )
490 {
491 QDomElement abstractElem = doc.createElement( QStringLiteral( "Abstract" ) );
492 const QDomText abstractText = doc.createTextNode( abstract );
493 abstractElem.appendChild( abstractText );
494 layerElem.appendChild( abstractElem );
495 }
496
497 //create keywords
498 const QString keywords = layer->serverProperties()->keywordList();
499 if ( !keywords.isEmpty() )
500 {
501 QDomElement keywordsElem = doc.createElement( QStringLiteral( "ows:Keywords" ) );
502 for ( const QString &keyword : keywords.split( ',' ) )
503 {
504 if ( !keyword.trimmed().isEmpty() )
505 {
506 QDomElement keywordElem = doc.createElement( QStringLiteral( "ows:Keyword" ) );
507 const QDomText keywordText = doc.createTextNode( keyword.trimmed() );
508 keywordElem.appendChild( keywordText );
509 keywordsElem.appendChild( keywordElem );
510 }
511 }
512 layerElem.appendChild( keywordsElem );
513 }
514
515 //create DefaultSRS element
516 const QString defaultSrs = layer->crs().authid();
517 QDomElement srsElem = doc.createElement( QStringLiteral( "DefaultSRS" ) );
518 const QDomText srsText = doc.createTextNode( defaultSrs );
519 srsElem.appendChild( srsText );
520 layerElem.appendChild( srsElem );
521
522 //create OtherSRS elements
523 const QStringList outputCrsList = QgsServerProjectUtils::wmsOutputCrsList( *project );
524 for ( const QString &crs : outputCrsList )
525 {
526 if ( crs == defaultSrs )
527 continue;
528 QDomElement otherSrsElem = doc.createElement( QStringLiteral( "OtherSRS" ) );
529 const QDomText otherSrsText = doc.createTextNode( crs );
530 otherSrsElem.appendChild( otherSrsText );
531 layerElem.appendChild( otherSrsElem );
532 }
533
534 //wfs:Operations element
535 QDomElement operationsElement = doc.createElement( QStringLiteral( "Operations" )/*wfs:Operations*/ );
536 //wfs:Query element
537 QDomElement operationElement = doc.createElement( QStringLiteral( "Operation" ) );
538 const QDomText queryText = doc.createTextNode( QStringLiteral( "Query" ) );
539 operationElement.appendChild( queryText );
540 operationsElement.appendChild( operationElement );
541
542 if ( wfstUpdateLayersId.contains( layer->id() ) ||
543 wfstInsertLayersId.contains( layer->id() ) ||
544 wfstDeleteLayersId.contains( layer->id() ) )
545 {
546 QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( layer );
547 QgsVectorDataProvider *provider = vlayer->dataProvider();
548 if ( ( provider->capabilities() & Qgis::VectorProviderCapability::AddFeatures ) && wfstInsertLayersId.contains( layer->id() ) )
549 {
550 //wfs:Insert element
551 QDomElement operationElement = doc.createElement( QStringLiteral( "Operation" ) );
552 const QDomText insertText = doc.createTextNode( QStringLiteral( "Insert" )/*wfs:Insert*/ );
553 operationElement.appendChild( insertText );
554 operationsElement.appendChild( operationElement );
555 }
556
557 if ( ( provider->capabilities() & Qgis::VectorProviderCapability::ChangeAttributeValues ) &&
558 ( provider->capabilities() & Qgis::VectorProviderCapability::ChangeGeometries ) &&
559 wfstUpdateLayersId.contains( layer->id() ) )
560 {
561 //wfs:Update element
562 QDomElement operationElement = doc.createElement( QStringLiteral( "Operation" ) );
563 const QDomText updateText = doc.createTextNode( QStringLiteral( "Update" )/*wfs:Update*/ );
564 operationElement.appendChild( updateText );
565 operationsElement.appendChild( operationElement );
566 }
567
568 if ( ( provider->capabilities() & Qgis::VectorProviderCapability::DeleteFeatures ) && wfstDeleteLayersId.contains( layer->id() ) )
569 {
570 //wfs:Delete element
571 QDomElement operationElement = doc.createElement( QStringLiteral( "Operation" ) );
572 const QDomText deleteText = doc.createTextNode( QStringLiteral( "Delete" )/*wfs:Delete*/ );
573 operationElement.appendChild( deleteText );
574 operationsElement.appendChild( operationElement );
575 }
576 }
577
578 layerElem.appendChild( operationsElement );
579
580 //create WGS84BoundingBox
581 const QgsRectangle layerExtent = layer->extent();
582 //transform the layers native CRS into WGS84
583 const QgsCoordinateReferenceSystem wgs84 = QgsCoordinateReferenceSystem::fromOgcWmsCrs( geoEpsgCrsAuthId() );
584 const int wgs84precision = 6;
585 QgsRectangle wgs84BoundingRect( 0, 0, 0, 0 );
586 if ( !layerExtent.isNull() )
587 {
588 const QgsCoordinateTransform exGeoTransform( layer->crs(), wgs84, project );
589 try
590 {
591 wgs84BoundingRect = exGeoTransform.transformBoundingBox( layerExtent );
592 }
593 catch ( const QgsCsException & )
594 {
595 wgs84BoundingRect = QgsRectangle( 0, 0, 0, 0 );
596 }
597 }
598
599 //create WGS84BoundingBox element
600 QDomElement bBoxElement = doc.createElement( QStringLiteral( "ows:WGS84BoundingBox" ) );
601 bBoxElement.setAttribute( QStringLiteral( "dimensions" ), QStringLiteral( "2" ) );
602 QDomElement lCornerElement = doc.createElement( QStringLiteral( "ows:LowerCorner" ) );
603 const QDomText lCornerText = doc.createTextNode( qgsDoubleToString( QgsServerProjectUtils::floorWithPrecision( wgs84BoundingRect.xMinimum(), wgs84precision ), wgs84precision ) + " " + qgsDoubleToString( QgsServerProjectUtils::floorWithPrecision( wgs84BoundingRect.yMinimum(), wgs84precision ), wgs84precision ) );
604 lCornerElement.appendChild( lCornerText );
605 bBoxElement.appendChild( lCornerElement );
606 QDomElement uCornerElement = doc.createElement( QStringLiteral( "ows:UpperCorner" ) );
607 const QDomText uCornerText = doc.createTextNode( qgsDoubleToString( QgsServerProjectUtils::ceilWithPrecision( wgs84BoundingRect.xMaximum(), wgs84precision ), wgs84precision ) + " " + qgsDoubleToString( QgsServerProjectUtils::ceilWithPrecision( wgs84BoundingRect.yMaximum(), wgs84precision ), wgs84precision ) );
608 uCornerElement.appendChild( uCornerText );
609 bBoxElement.appendChild( uCornerElement );
610 layerElem.appendChild( bBoxElement );
611
612 // layer metadata URL
613 const QList<QgsMapLayerServerProperties::MetadataUrl> urls = layer->serverProperties()->metadataUrls();
614 for ( const QgsMapLayerServerProperties::MetadataUrl &url : urls )
615 {
616 QDomElement metaUrlElem = doc.createElement( QStringLiteral( "MetadataURL" ) );
617 const QString metadataUrlType = url.type;
618 metaUrlElem.setAttribute( QStringLiteral( "type" ), metadataUrlType );
619 const QString metadataUrlFormat = url.format;
620 metaUrlElem.setAttribute( QStringLiteral( "format" ), metadataUrlFormat );
621 const QDomText metaUrlText = doc.createTextNode( url.url );
622 metaUrlElem.appendChild( metaUrlText );
623 layerElem.appendChild( metaUrlElem );
624 }
625
626 featureTypeListElement.appendChild( layerElem );
627 }
628
629 return featureTypeListElement;
630 }
631
632} // namespace QgsWfs
Qgis::VectorProviderCapability::AddFeatures
@ AddFeatures
Allows adding features.
Qgis::VectorProviderCapability::ChangeGeometries
@ ChangeGeometries
Allows modifications of geometries.
Qgis::VectorProviderCapability::DeleteFeatures
@ DeleteFeatures
Allows deletion of features.
Qgis::VectorProviderCapability::ChangeAttributeValues
@ ChangeAttributeValues
Allows modification of attribute values.
Qgis::LayerType::Vector
@ Vector
Vector layer.
QgsAccessControl
A helper class that centralizes restrictions given by all the access control filter plugins.
Definition qgsaccesscontrol.h:36
QgsAccessControl::layerReadPermission
bool layerReadPermission(const QgsMapLayer *layer) const
Returns the layer read right.
Definition qgsaccesscontrol.cpp:112
QgsCoordinateReferenceSystem
This class represents a coordinate reference system (CRS).
Definition qgscoordinatereferencesystem.h:212
QgsCoordinateReferenceSystem::fromOgcWmsCrs
static QgsCoordinateReferenceSystem fromOgcWmsCrs(const QString &ogcCrs)
Creates a CRS from a given OGC WMS-format Coordinate Reference System string.
Definition qgscoordinatereferencesystem.cpp:197
QgsCoordinateTransform
Class for doing transforms between two map coordinate systems.
Definition qgscoordinatetransform.h:58
QgsCoordinateTransform::transformBoundingBox
QgsRectangle transformBoundingBox(const QgsRectangle &rectangle, Qgis::TransformDirection direction=Qgis::TransformDirection::Forward, bool handle180Crossover=false) const
Transforms a rectangle from the source CRS to the destination CRS.
Definition qgscoordinatetransform.cpp:581
QgsCsException
Custom exception class for Coordinate Reference System related exceptions.
Definition qgsexception.h:67
QgsMapLayerServerProperties::keywordList
QString keywordList() const
Returns the keyword list of the layerused by QGIS Server in GetCapabilities request.
Definition qgsmaplayerserverproperties.h:399
QgsMapLayerServerProperties::wfsTitle
QString wfsTitle() const
Returns the optional WFS title if set or the title of the layer used by QGIS WFS in GetCapabilities r...
Definition qgsmaplayerserverproperties.h:363
QgsMapLayerServerProperties::abstract
QString abstract() const
Returns the abstract of the layerused by QGIS Server in GetCapabilities request.
Definition qgsmaplayerserverproperties.h:381
QgsMapLayer
Base class for all map layer types.
Definition qgsmaplayer.h:76
QgsMapLayer::name
QString name
Definition qgsmaplayer.h:80
QgsMapLayer::extent
virtual QgsRectangle extent() const
Returns the extent of the layer.
Definition qgsmaplayer.cpp:492
QgsMapLayer::crs
QgsCoordinateReferenceSystem crs
Definition qgsmaplayer.h:83
QgsMapLayer::serverProperties
QgsMapLayerServerProperties * serverProperties()
Returns QGIS Server Properties for the map layer.
Definition qgsmaplayer.h:433
QgsMapLayer::id
QString id
Definition qgsmaplayer.h:79
QgsMapLayer::type
Qgis::LayerType type
Definition qgsmaplayer.h:86
QgsProject
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
Definition qgsproject.h:107
QgsProject::mapLayer
Q_INVOKABLE QgsMapLayer * mapLayer(const QString &layerId) const
Retrieve a pointer to a registered layer by layer ID.
Definition qgsproject.cpp:4543
QgsRectangle
A rectangle specified with double values.
Definition qgsrectangle.h:42
QgsRectangle::xMinimum
double xMinimum() const
Returns the x minimum value (left side of rectangle).
Definition qgsrectangle.h:200
QgsRectangle::yMinimum
double yMinimum() const
Returns the y minimum value (bottom side of rectangle).
Definition qgsrectangle.h:210
QgsRectangle::xMaximum
double xMaximum() const
Returns the x maximum value (right side of rectangle).
Definition qgsrectangle.h:195
QgsRectangle::isNull
bool isNull() const
Test if the rectangle is null (holding no spatial information).
Definition qgsrectangle.h:509
QgsRectangle::yMaximum
double yMaximum() const
Returns the y maximum value (top side of rectangle).
Definition qgsrectangle.h:205
QgsServerCacheManager
A helper class that centralizes caches accesses given by all the server cache filter plugins.
Definition qgsservercachemanager.h:42
QgsServerCacheManager::setCachedDocument
bool setCachedDocument(const QDomDocument *doc, const QgsProject *project, const QgsServerRequest &request, QgsAccessControl *accessControl) const
Updates or inserts the document in cache like capabilities.
Definition qgsservercachemanager.cpp:94
QgsServerCacheManager::getCachedDocument
bool getCachedDocument(QDomDocument *doc, const QgsProject *project, const QgsServerRequest &request, QgsAccessControl *accessControl) const
Returns cached document (or 0 if document not in cache) like capabilities.
Definition qgsservercachemanager.cpp:61
QgsServerInterface
QgsServerInterface Class defining interfaces exposed by QGIS Server and made available to plugins.
Definition qgsserverinterface.h:61
QgsServerInterface::cacheManager
virtual QgsServerCacheManager * cacheManager() const =0
Gets the registered server cache filters.
QgsServerInterface::accessControls
virtual QgsAccessControl * accessControls() const =0
Gets the registered access control filters.
QgsServerInterface::serverSettings
virtual QgsServerSettings * serverSettings()=0
Returns the server settings.
QgsServerMetadataUrlProperties::metadataUrls
QList< QgsServerMetadataUrlProperties::MetadataUrl > metadataUrls() const
Returns a list of metadataUrl resources associated for the layer.
Definition qgsmaplayerserverproperties.h:89
QgsServerRequest
QgsServerRequest Class defining request interface passed to services QgsService::executeRequest() met...
Definition qgsserverrequest.h:37
QgsServerResponse
QgsServerResponse Class defining response interface passed to services QgsService::executeRequest() m...
Definition qgsserverresponse.h:44
QgsServerResponse::write
virtual void write(const QString &data)
Write string This is a convenient method that will write directly to the underlying I/O device.
Definition qgsserverresponse.cpp:25
QgsServerResponse::setHeader
virtual void setHeader(const QString &key, const QString &value)=0
Set Header entry Add Header entry to the response Note that it is usually an error to set Header afte...
QgsServerSettings
Provides a way to retrieve settings by prioritizing according to environment variables,...
Definition qgsserversettings.h:95
QgsVectorDataProvider
This is the base class for vector data providers.
Definition qgsvectordataprovider.h:59
QgsVectorDataProvider::capabilities
virtual Q_INVOKABLE Qgis::VectorProviderCapabilities capabilities() const
Returns flags containing the supported capabilities.
Definition qgsvectordataprovider.cpp:263
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition qgsvectorlayer.h:401
QgsVectorLayer::dataProvider
QgsVectorDataProvider * dataProvider() FINAL
Returns the layer's data provider, it may be nullptr.
Definition qgsvectorlayer.cpp:746
QgsServerProjectUtils::ceilWithPrecision
SERVER_EXPORT double ceilWithPrecision(double number, int places)
Returns a double greater than number to the specified number of places.
Definition qgsserverprojectutils.cpp:22
QgsServerProjectUtils::owsServiceAccessConstraints
SERVER_EXPORT QString owsServiceAccessConstraints(const QgsProject &project)
Returns the owsService access constraints defined in project.
Definition qgsserverprojectutils.cpp:120
QgsServerProjectUtils::wfsLayerIds
SERVER_EXPORT QStringList wfsLayerIds(const QgsProject &project)
Returns the Layer ids list defined in a QGIS project as published in WFS.
Definition qgsserverprojectutils.cpp:494
QgsServerProjectUtils::owsServiceOnlineResource
SERVER_EXPORT QString owsServiceOnlineResource(const QgsProject &project)
Returns the owsService online resource defined in project.
Definition qgsserverprojectutils.cpp:76
QgsServerProjectUtils::owsServiceFees
SERVER_EXPORT QString owsServiceFees(const QgsProject &project)
Returns the owsService fees defined in project.
Definition qgsserverprojectutils.cpp:115
QgsServerProjectUtils::owsServiceKeywords
SERVER_EXPORT QStringList owsServiceKeywords(const QgsProject &project)
Returns the owsService keywords defined in project.
Definition qgsserverprojectutils.cpp:58
QgsServerProjectUtils::owsServiceContactPosition
SERVER_EXPORT QString owsServiceContactPosition(const QgsProject &project)
Returns the owsService contact position defined in project.
Definition qgsserverprojectutils.cpp:95
QgsServerProjectUtils::wfstUpdateLayerIds
SERVER_EXPORT QStringList wfstUpdateLayerIds(const QgsProject &project)
Returns the Layer ids list defined in a QGIS project as published as WFS-T with update capabilities.
Definition qgsserverprojectutils.cpp:504
QgsServerProjectUtils::wfstInsertLayerIds
SERVER_EXPORT QStringList wfstInsertLayerIds(const QgsProject &project)
Returns the Layer ids list defined in a QGIS project as published as WFS-T with insert capabilities.
Definition qgsserverprojectutils.cpp:509
QgsServerProjectUtils::wmsOutputCrsList
SERVER_EXPORT QStringList wmsOutputCrsList(const QgsProject &project)
Returns the WMS output CRS list.
Definition qgsserverprojectutils.cpp:285
QgsServerProjectUtils::owsServiceContactOrganization
SERVER_EXPORT QString owsServiceContactOrganization(const QgsProject &project)
Returns the owsService contact organization defined in project.
Definition qgsserverprojectutils.cpp:90
QgsServerProjectUtils::owsServiceTitle
SERVER_EXPORT QString owsServiceTitle(const QgsProject &project)
Returns the owsService title defined in project.
Definition qgsserverprojectutils.cpp:39
QgsServerProjectUtils::owsServiceContactMail
SERVER_EXPORT QString owsServiceContactMail(const QgsProject &project)
Returns the owsService contact mail defined in project.
Definition qgsserverprojectutils.cpp:105
QgsServerProjectUtils::owsServiceAbstract
SERVER_EXPORT QString owsServiceAbstract(const QgsProject &project)
Returns the owsService abstract defined in project.
Definition qgsserverprojectutils.cpp:53
QgsServerProjectUtils::floorWithPrecision
SERVER_EXPORT double floorWithPrecision(double number, int places)
Returns a double less than number to the specified number of places.
Definition qgsserverprojectutils.cpp:28
QgsServerProjectUtils::wfstDeleteLayerIds
SERVER_EXPORT QStringList wfstDeleteLayerIds(const QgsProject &project)
Returns the Layer ids list defined in a QGIS project as published as WFS-T with delete capabilities.
Definition qgsserverprojectutils.cpp:514
QgsServerProjectUtils::owsServiceContactPhone
SERVER_EXPORT QString owsServiceContactPhone(const QgsProject &project)
Returns the owsService contact phone defined in project.
Definition qgsserverprojectutils.cpp:110
QgsServerProjectUtils::owsServiceContactPerson
SERVER_EXPORT QString owsServiceContactPerson(const QgsProject &project)
Returns the owsService contact person defined in project.
Definition qgsserverprojectutils.cpp:100
QgsWfs
WMS implementation.
Definition qgswfs.cpp:36
QgsWfs::layerTypeName
QString layerTypeName(const QgsMapLayer *layer)
Returns typename from vector layer.
Definition qgswfsutils.cpp:68
QgsWfs::implementationVersion
QString implementationVersion()
Returns the highest version supported by this implementation.
Definition qgswfsutils.cpp:31
QgsWfs::getParameterElement
QDomElement getParameterElement(QDomDocument &doc, const QString &name, const QStringList &values)
Create a parameter element.
Definition qgswfsgetcapabilities.cpp:329
QgsWfs::serviceUrl
QString serviceUrl(const QgsServerRequest &request, const QgsProject *project, const QgsServerSettings &settings)
Service URL string.
Definition qgswfsutils.cpp:36
QgsWfs::OGC_NAMESPACE
const QString OGC_NAMESPACE
Definition qgswfsutils.h:76
QgsWfs::getOperationsMetadataElement
QDomElement getOperationsMetadataElement(QDomDocument &doc, const QgsProject *project, const QgsServerRequest &request, const QgsServerSettings *settings)
Create OperationsMetadata element for get capabilities document.
Definition qgswfsgetcapabilities.cpp:345
QgsWfs::GML_NAMESPACE
const QString GML_NAMESPACE
Definition qgswfsutils.h:75
QgsWfs::WFS_NAMESPACE
const QString WFS_NAMESPACE
Definition qgswfsutils.h:74
QgsWfs::getFeatureTypeListElement
QDomElement getFeatureTypeListElement(QDomDocument &doc, QgsServerInterface *serverIface, const QgsProject *project)
Create FeatureTypeList element for get capabilities document.
Definition qgswfsgetcapabilities.cpp:428
QgsWfs::writeGetCapabilities
void writeGetCapabilities(QgsServerInterface *serverIface, const QgsProject *project, const QString &version, const QgsServerRequest &request, QgsServerResponse &response)
Output WFS GetCapabilities response.
Definition qgswfsgetcapabilities.cpp:39
QgsWfs::createGetCapabilitiesDocument
QDomDocument createGetCapabilitiesDocument(QgsServerInterface *serverIface, const QgsProject *project, const QString &version, const QgsServerRequest &request)
Create get capabilities document.
Definition qgswfsgetcapabilities.cpp:73
QgsWfs::getServiceIdentificationElement
QDomElement getServiceIdentificationElement(QDomDocument &doc, const QgsProject *project)
Create Service Identification element for get capabilities document.
Definition qgswfsgetcapabilities.cpp:167
QgsWfs::getServiceProviderElement
QDomElement getServiceProviderElement(QDomDocument &doc, const QgsProject *project)
Create Service Provider element for get capabilities document.
Definition qgswfsgetcapabilities.cpp:240
qgsDoubleToString
QString qgsDoubleToString(double a, int precision=17)
Returns a string representation of a double.
Definition qgis.h:5834
geoEpsgCrsAuthId
CONSTLATIN1STRING geoEpsgCrsAuthId()
Geographic coord sys from EPSG authority.
Definition qgis.h:6406
crs
const QgsCoordinateReferenceSystem & crs
Definition qgswfsgetfeature.cpp:53
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