forked from MapServer/MapServer
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mapwcs.c
2554 lines (2164 loc) · 111 KB
/
mapwcs.c
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/******************************************************************************
* $Id$
*
* Project: MapServer
* Purpose: OpenGIS Web Coverage Server (WCS) Implementation.
* 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 "maperror.h"
#include "mapthread.h"
#include <assert.h>
MS_CVSID("$Id$")
#if defined(USE_WCS_SVR)
#include "mapwcs.h"
#include "maptime.h"
#include <time.h>
#include "gdal.h"
#include "cpl_string.h" /* GDAL string handling */
/************************************************************************/
/* msWCSValidateRangeSetParam() */
/************************************************************************/
static int msWCSValidateRangeSetParam(layerObj *lp, char *name, const char *value) {
char **allowed_ri_values;
char **client_ri_values;
int allowed_count, client_count;
int i_client, i, all_match = 1;
char *tmpname = NULL;
const char *ri_values_list;
if( name == NULL )
return MS_FAILURE;
/* Fetch the available values list for the rangeset item and tokenize */
tmpname = (char *)msSmallMalloc(sizeof(char)*strlen(name) + 10);
sprintf(tmpname,"%s_values", name);
ri_values_list = msOWSLookupMetadata(&(lp->metadata), "CO", tmpname);
msFree( tmpname );
if (ri_values_list == NULL)
return MS_FAILURE;
allowed_ri_values = msStringSplit( ri_values_list, ',', &allowed_count);
/* Parse the client value list into tokens. */
client_ri_values = msStringSplit( value, ',', &client_count );
/* test each client value against the allowed list. */
for( i_client = 0; all_match && i_client < client_count; i_client++ )
{
for( i = 0;
i < allowed_count
&& strcasecmp(client_ri_values[i_client],
allowed_ri_values[i]) != 0;
i++ ) {}
if( i == allowed_count )
all_match = 0;
}
msFreeCharArray(allowed_ri_values, allowed_count );
msFreeCharArray(client_ri_values, client_count );
if (all_match == 0)
return MS_FAILURE;
else
return MS_SUCCESS;
}
/************************************************************************/
/* msWCSConvertRangeSetToString() */
/************************************************************************/
static char *msWCSConvertRangeSetToString(const char *value) {
char **tokens;
int numtokens;
double min, max, res;
double val;
char buf1[128], *buf2=NULL;
if(strchr(value, '/')) { /* value is min/max/res */
tokens = msStringSplit(value, '/', &numtokens);
if(tokens==NULL || numtokens != 3) {
msFreeCharArray(tokens, numtokens);
return NULL; /* not a set of equally spaced intervals */
}
min = atof(tokens[0]);
max = atof(tokens[1]);
res = atof(tokens[2]);
msFreeCharArray(tokens, numtokens);
for(val=min; val<=max; val+=res) {
if(val == min)
snprintf(buf1, sizeof(buf1), "%g", val);
else
snprintf(buf1, sizeof(buf1), ",%g", val);
buf2 = msStringConcatenate(buf2, buf1);
}
return buf2;
} else
return msStrdup(value);
}
/************************************************************************/
/* msWCSException() */
/************************************************************************/
int msWCSException(mapObj *map, const char *code, const char *locator,
const char *version )
{
char *pszEncodedVal = NULL;
const char *encoding;
if( version == NULL )
version = "1.0.0";
#if defined(USE_LIBXML2)
if( msOWSParseVersionString(version) >= OWS_2_0_0 )
return msWCSException20( map, code, locator, version );
#endif
if( msOWSParseVersionString(version) >= OWS_1_1_0 )
return msWCSException11( map, code, locator, version );
encoding = msOWSLookupMetadata(&(map->web.metadata), "CO", "encoding");
if (encoding)
msIO_setHeader("Content-type","application/vnd.ogc.se_xml; charset=%s", encoding);
else
msIO_setHeader("Content-type","application/vnd.ogc.se_xml");
msIO_sendHeaders();
/* msIO_printf("Content-type: text/xml%c%c",10,10); */
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), NULL, "wcs_encoding", OWS_NOERR, "<?xml version='1.0' encoding=\"%s\" ?>\n", "ISO-8859-1");
msIO_printf("<ServiceExceptionReport version=\"1.2.0\"\n");
msIO_printf("xmlns=\"http://www.opengis.net/ogc\" ");
msIO_printf("xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" ");
pszEncodedVal = msEncodeHTMLEntities(msOWSGetSchemasLocation(map));
msIO_printf("xsi:schemaLocation=\"http://www.opengis.net/ogc %s/wcs/1.0.0/OGC-exception.xsd\">\n",
pszEncodedVal);
msFree(pszEncodedVal);
msIO_printf(" <ServiceException");
if (code) {
msIO_printf(" code=\"%s\"", code);
}
if (locator) {
msIO_printf(" locator=\"%s\"", locator);
}
msIO_printf(">");
msWriteErrorXML(stdout);
msIO_printf(" </ServiceException>\n");
msIO_printf("</ServiceExceptionReport>\n");
msResetErrorList();
return MS_FAILURE;
}
/************************************************************************/
/* msWCSPrintRequestCapability() */
/************************************************************************/
static void msWCSPrintRequestCapability(const char *version, const char *request_tag, const char *script_url)
{
msIO_printf(" <%s>\n", request_tag);
msIO_printf(" <DCPType>\n");
msIO_printf(" <HTTP>\n");
msIO_printf(" <Get><OnlineResource xlink:type=\"simple\" xlink:href=\"%s\" /></Get>\n", script_url);
msIO_printf(" </HTTP>\n");
msIO_printf(" </DCPType>\n");
msIO_printf(" <DCPType>\n");
msIO_printf(" <HTTP>\n");
msIO_printf(" <Post><OnlineResource xlink:type=\"simple\" xlink:href=\"%s\" /></Post>\n", script_url);
msIO_printf(" </HTTP>\n");
msIO_printf(" </DCPType>\n");
msIO_printf(" </%s>\n", request_tag);
}
/************************************************************************/
/* msWCSCreateParams() */
/************************************************************************/
static wcsParamsObj *msWCSCreateParams()
{
wcsParamsObj *params;
params = (wcsParamsObj *) calloc(1, sizeof(wcsParamsObj));
MS_CHECK_ALLOC(params, sizeof(wcsParamsObj), NULL);
return params;
}
/************************************************************************/
/* msWCSFreeParams() */
/************************************************************************/
void msWCSFreeParams(wcsParamsObj *params)
{
if(params) {
/* TODO */
if(params->version) free(params->version);
if(params->updatesequence) free(params->updatesequence);
if(params->request) free(params->request);
if(params->service) free(params->service);
if(params->section) free(params->section);
if(params->crs) free(params->crs);
if(params->response_crs) free(params->response_crs);
if(params->format) free(params->format);
if(params->exceptions) free(params->exceptions);
if(params->time) free(params->time);
if(params->interpolation) free(params->interpolation);
CSLDestroy( params->coverages );
}
}
/************************************************************************/
/* msWCSIsLayerSupported() */
/************************************************************************/
int msWCSIsLayerSupported(layerObj *layer)
{
/* only raster layers, are elligible to be served via WCS, WMS rasters are not ok */
if((layer->type == MS_LAYER_RASTER) && layer->connectiontype != MS_WMS) return MS_TRUE;
return MS_FALSE;
}
/************************************************************************/
/* msWCSGetRequestParameter() */
/* */
/************************************************************************/
const char *msWCSGetRequestParameter(cgiRequestObj *request, char *name) {
int i;
if(!request || !name) /* nothing to do */
return NULL;
if(request->NumParams > 0) {
for(i=0; i<request->NumParams; i++) {
if(strcasecmp(request->ParamNames[i], name) == 0)
return request->ParamValues[i];
}
}
return NULL;
}
/************************************************************************/
/* msWCSSetDefaultBandsRangeSetInfo() */
/************************************************************************/
void msWCSSetDefaultBandsRangeSetInfo( wcsParamsObj *params,
coverageMetadataObj *cm,
layerObj *lp )
{
/* This function will provide default rangeset information for the "special" */
/* "bands" rangeset if it appears in the axes list but has no specifics provided */
/* in the metadata. */
const char *value;
char *bandlist;
size_t bufferSize = 0;
int i;
/* Does this item exist in the axes list? */
value = msOWSLookupMetadata(&(lp->metadata), "CO", "rangeset_axes");
if( value == NULL )
return;
value = strstr(value,"bands");
if( value == NULL || (value[5] != '\0' && value[5] != ' ') )
return;
/* Are there any w*s_bands_ metadata already? If so, skip out. */
if( msOWSLookupMetadata(&(lp->metadata), "CO", "bands_description") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_name") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_label") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_values") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_values_semantic") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_values_type") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_rangeitem") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_semantic") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_refsys") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_refsyslabel") != NULL
|| msOWSLookupMetadata(&(lp->metadata), "CO", "bands_interval") != NULL )
return;
/* OK, we have decided to fill in the information. */
msInsertHashTable( &(lp->metadata), "wcs_bands_name", "bands" );
msInsertHashTable( &(lp->metadata), "wcs_bands_label", "Bands/Channels/Samples" );
msInsertHashTable( &(lp->metadata), "wcs_bands_rangeitem", "_bands" ); /* ? */
bufferSize = cm->bandcount*30+30;
bandlist = (char *) msSmallMalloc(bufferSize);
strcpy( bandlist, "1" );
for( i = 1; i < cm->bandcount; i++ )
snprintf( bandlist+strlen(bandlist), bufferSize-strlen(bandlist), ",%d", i+1 );
msInsertHashTable( &(lp->metadata), "wcs_bands_values", bandlist );
free( bandlist );
}
/************************************************************************/
/* msWCSParseRequest() */
/************************************************************************/
static int msWCSParseRequest(cgiRequestObj *request, wcsParamsObj *params, mapObj *map)
{
int i, n;
char **tokens;
if(!request || !params) /* nothing to do */
return MS_SUCCESS;
/* -------------------------------------------------------------------- */
/* Check if this appears to be an XML POST WCS request. */
/* -------------------------------------------------------------------- */
msDebug("msWCSParseRequest(): request is %s.\n", (request->type == MS_POST_REQUEST)?"POST":"KVP");
if( request->type == MS_POST_REQUEST
&& request->postrequest )
{
#if defined(USE_LIBXML2)
xmlDocPtr doc = NULL;
xmlNodePtr root = NULL, child = NULL;
char *tmp = NULL;
/* parse to DOM-Structure and get root element */
if((doc = xmlParseMemory(request->postrequest, strlen(request->postrequest)))
== NULL) {
xmlErrorPtr error = xmlGetLastError();
msSetError(MS_WCSERR, "XML parsing error: %s",
"msWCSParseRequest()", error->message);
return MS_FAILURE;
}
root = xmlDocGetRootElement(doc);
/* Get service, version and request from root */
params->request = strdup((char *) root->name);
if ((tmp = (char *) xmlGetProp(root, BAD_CAST "service")) != NULL)
params->service = tmp;
if ((tmp = (char *) xmlGetProp(root, BAD_CAST "version")) != NULL)
params->version = tmp;
/* search first level children, either CoverageID, */
for (child = root->children; child != NULL; child = child->next)
{
if (EQUAL((char *)child->name, "AcceptVersions"))
{
/* will be overridden to 1.1.1 anyway */
}
else if (EQUAL((char *) child->name, "UpdateSequence"))
{
params->updatesequence = (char *)xmlNodeGetContent(child);
}
else if (EQUAL((char *) child->name, "Sections"))
{
xmlNodePtr sectionNode = NULL;
/* concatenate all sections by ',' */
for(sectionNode = child->children; sectionNode != NULL; sectionNode = sectionNode->next)
{
char *content;
if(!EQUAL((char *)sectionNode->name, "Section"))
continue;
content = (char *)xmlNodeGetContent(sectionNode);
if(!params->section)
{
params->section = content;
}
else
{
params->section = msStringConcatenate(params->section, ",");
params->section = msStringConcatenate(params->section, content);
xmlFree(content);
}
}
}
else if(EQUAL((char *) child->name, "AcceptFormats"))
{
/* TODO: implement */
}
else if(EQUAL((char *) child->name, "Identifier"))
{
char *content = (char *)xmlNodeGetContent(child);
params->coverages = CSLAddString(params->coverages, content);
xmlFree(content);
}
else if(EQUAL((char *) child->name, "DomainSubset"))
{
xmlNodePtr tmpNode = NULL;
for(tmpNode = child->children; tmpNode != NULL; tmpNode = tmpNode->next)
{
if(EQUAL((char *) tmpNode->name, "BoundingBox"))
{
xmlNodePtr cornerNode = NULL;
params->crs = (char *)xmlGetProp(tmpNode, BAD_CAST "crs");
if( strncasecmp(params->crs,"urn:ogc:def:crs:",16) == 0
&& strncasecmp(params->crs+strlen(params->crs)-8,"imageCRS",8)==0)
strcpy( params->crs, "imageCRS" );
for(cornerNode = tmpNode->children; cornerNode != NULL; cornerNode = cornerNode->next)
{
if(EQUAL((char *) cornerNode->name, "LowerCorner"))
{
char *value = (char *)xmlNodeGetContent(cornerNode);
tokens = msStringSplit(value, ' ', &n);
if(tokens==NULL || n < 2) {
msSetError(MS_WCSERR, "Wrong number of arguments for LowerCorner",
"msWCSParseRequest()");
return msWCSException(map, "InvalidParameterValue", "LowerCorner",
params->version );
}
params->bbox.minx = atof(tokens[0]);
params->bbox.miny = atof(tokens[1]);
msFreeCharArray(tokens, n);
xmlFree(value);
}
if(EQUAL((char *) cornerNode->name, "UpperCorner"))
{
char *value = (char *)xmlNodeGetContent(cornerNode);
tokens = msStringSplit(value, ' ', &n);
if(tokens==NULL || n < 2) {
msSetError(MS_WCSERR, "Wrong number of arguments for UpperCorner",
"msWCSParseRequest()");
return msWCSException(map, "InvalidParameterValue", "UpperCorner",
params->version );
}
params->bbox.maxx = atof(tokens[0]);
params->bbox.maxy = atof(tokens[1]);
msFreeCharArray(tokens, n);
xmlFree(value);
}
}
}
}
}
else if(EQUAL((char *) child->name, "RangeSubset"))
{
/* TODO: not implemented in mapserver WCS 1.1? */
}
else if(EQUAL((char *) child->name, "Output"))
{
xmlNodePtr tmpNode = NULL;
params->format = (char *)xmlGetProp(child, BAD_CAST "format");
for(tmpNode = child->children; tmpNode != NULL; tmpNode = tmpNode->next)
{
if(EQUAL((char *) tmpNode->name, "GridCRS"))
{
xmlNodePtr crsNode = NULL;
for(crsNode = tmpNode->children; crsNode != NULL; crsNode = crsNode->next)
{
if(EQUAL((char *) crsNode->name, "GridBaseCRS"))
{
params->response_crs = (char *) xmlNodeGetContent(crsNode);
}
else if (EQUAL((char *) crsNode->name, "GridOrigin"))
{
char *value = (char *)xmlNodeGetContent(crsNode);
tokens = msStringSplit(value, ' ', &n);
if(tokens==NULL || n < 2) {
msSetError(MS_WCSERR, "Wrong number of arguments for GridOrigin",
"msWCSParseRequest()");
return msWCSException(map, "InvalidParameterValue", "GridOffsets",
params->version );
}
params->originx = atof(tokens[0]);
params->originy = atof(tokens[1]);
msFreeCharArray(tokens, n);
xmlFree(value);
}
else if (EQUAL((char *) crsNode->name, "GridOffsets"))
{
char *value = (char *)xmlNodeGetContent(crsNode);
tokens = msStringSplit(value, ' ', &n);
if(tokens==NULL || n < 2) {
msSetError(MS_WCSERR, "Wrong number of arguments for GridOffsets",
"msWCSParseRequest()");
return msWCSException(map, "InvalidParameterValue", "GridOffsets",
params->version );
}
/* take absolute values to convert to positive RESX/RESY style
WCS 1.0 behavior. *but* this does break some possibilities! */
params->resx = fabs(atof(tokens[0]));
params->resy = fabs(atof(tokens[1]));
msFreeCharArray(tokens, n);
xmlFree(value);
}
}
}
}
}
}
xmlFreeDoc(doc);
xmlCleanupParser();
return MS_SUCCESS;
#else /* defined(USE_LIBXML2) */
msSetError(MS_WCSERR, "To enable POST requests, MapServer has to "
"be compiled with libxml2.", "msWCSParseRequest()");
return MS_FAILURE;
#endif /* defined(USE_LIBXML2) */
}
/* -------------------------------------------------------------------- */
/* Extract WCS KVP Parameters. */
/* -------------------------------------------------------------------- */
if(request->NumParams > 0) {
for(i=0; i<request->NumParams; i++) {
if(strcasecmp(request->ParamNames[i], "VERSION") == 0)
params->version = msStrdup(request->ParamValues[i]);
if(strcasecmp(request->ParamNames[i], "UPDATESEQUENCE") == 0)
params->updatesequence = msStrdup(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "REQUEST") == 0)
params->request = msStrdup(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "INTERPOLATION") == 0)
params->interpolation = msStrdup(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "SERVICE") == 0)
params->service = msStrdup(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "SECTION") == 0) /* 1.0 */
params->section = msStrdup(request->ParamValues[i]); /* TODO: validate value here */
else if(strcasecmp(request->ParamNames[i], "SECTIONS") == 0) /* 1.1 */
params->section = msStrdup(request->ParamValues[i]); /* TODO: validate value here */
/* GetCoverage parameters. */
else if(strcasecmp(request->ParamNames[i], "BBOX") == 0) {
tokens = msStringSplit(request->ParamValues[i], ',', &n);
if(tokens==NULL || n != 4) {
msSetError(MS_WCSERR, "Wrong number of arguments for BBOX.", "msWCSParseRequest()");
return msWCSException(map, "InvalidParameterValue", "bbox",
params->version );
}
params->bbox.minx = atof(tokens[0]);
params->bbox.miny = atof(tokens[1]);
params->bbox.maxx = atof(tokens[2]);
params->bbox.maxy = atof(tokens[3]);
msFreeCharArray(tokens, n);
} else if(strcasecmp(request->ParamNames[i], "RESX") == 0)
params->resx = atof(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "RESY") == 0)
params->resy = atof(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "WIDTH") == 0)
params->width = atoi(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "HEIGHT") == 0)
params->height = atoi(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "COVERAGE") == 0)
params->coverages = CSLAddString(params->coverages, request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "TIME") == 0)
params->time = msStrdup(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "FORMAT") == 0)
params->format = msStrdup(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "CRS") == 0)
params->crs = msStrdup(request->ParamValues[i]);
else if(strcasecmp(request->ParamNames[i], "RESPONSE_CRS") == 0)
params->response_crs = msStrdup(request->ParamValues[i]);
/* WCS 1.1 DescribeCoverage and GetCoverage ... */
else if(strcasecmp(request->ParamNames[i], "IDENTIFIER") == 0
|| strcasecmp(request->ParamNames[i], "IDENTIFIERS") == 0 )
{
msDebug("msWCSParseRequest(): Whole String: %s\n", request->ParamValues[i]);
params->coverages = CSLAddString(params->coverages, request->ParamValues[i]);
}
/* WCS 1.1 style BOUNDINGBOX */
else if(strcasecmp(request->ParamNames[i], "BOUNDINGBOX") == 0) {
tokens = msStringSplit(request->ParamValues[i], ',', &n);
if(tokens==NULL || n < 5) {
msSetError(MS_WCSERR, "Wrong number of arguments for BOUNDINGBOX.", "msWCSParseRequest()");
return msWCSException(map, "InvalidParameterValue", "boundingbox",
params->version );
}
/* NOTE: WCS 1.1 boundingbox is center of pixel oriented, not edge
like in WCS 1.0. So bbox semantics are wonky till this is fixed
later in the GetCoverage processing. */
params->bbox.minx = atof(tokens[0]);
params->bbox.miny = atof(tokens[1]);
params->bbox.maxx = atof(tokens[2]);
params->bbox.maxy = atof(tokens[3]);
params->crs = msStrdup(tokens[4]);
msFreeCharArray(tokens, n);
/* normalize imageCRS urns to simply "imageCRS" */
if( strncasecmp(params->crs,"urn:ogc:def:crs:",16) == 0
&& strncasecmp(params->crs+strlen(params->crs)-8,"imageCRS",8)==0)
strcpy( params->crs, "imageCRS" );
} else if(strcasecmp(request->ParamNames[i], "GridOffsets") == 0) {
tokens = msStringSplit(request->ParamValues[i], ',', &n);
if(tokens==NULL || n < 2) {
msSetError(MS_WCSERR, "Wrong number of arguments for GridOffsets",
"msWCSParseRequest()");
return msWCSException(map, "InvalidParameterValue", "GridOffsets",
params->version );
}
/* take absolute values to convert to positive RESX/RESY style
WCS 1.0 behavior. *but* this does break some possibilities! */
params->resx = fabs(atof(tokens[0]));
params->resy = fabs(atof(tokens[1]));
msFreeCharArray(tokens, n);
} else if(strcasecmp(request->ParamNames[i], "GridOrigin") == 0) {
tokens = msStringSplit(request->ParamValues[i], ',', &n);
if(tokens==NULL || n < 2) {
msSetError(MS_WCSERR, "Wrong number of arguments for GridOrigin",
"msWCSParseRequest()");
return msWCSException(map, "InvalidParameterValue", "GridOffsets",
params->version );
}
params->originx = atof(tokens[0]);
params->originy = atof(tokens[1]);
msFreeCharArray(tokens, n);
}
/* and so on... */
}
}
/* we are not dealing with an XML encoded request at this point */
return MS_SUCCESS;
}
/************************************************************************/
/* msWCSGetCapabilities_Service_ResponsibleParty() */
/************************************************************************/
static void msWCSGetCapabilities_Service_ResponsibleParty(mapObj *map)
{
int bEnableTelephone=MS_FALSE, bEnableAddress=MS_FALSE, bEnableOnlineResource=MS_FALSE;
/* the WCS-specific way */
if(msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_individualname") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_organizationname")) {
msIO_printf("<responsibleParty>\n");
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_individualname", OWS_NOERR, " <individualName>%s</individualName>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_organizationname", OWS_NOERR, " <organisationName>%s</organisationName>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_positionname", OWS_NOERR, " <positionName>%s</positionName>\n", NULL);
if(msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_phone_voice") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_phone_facsimile")) bEnableTelephone = MS_TRUE;
if(msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_address_deliverypoint") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_address_city") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_address_administrativearea") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_address_postalcode") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_address_country") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_address_electronicmailaddress")) bEnableAddress = MS_TRUE;
if(msOWSLookupMetadata(&(map->web.metadata), "CO", "responsibleparty_onlineresource")) bEnableOnlineResource = MS_TRUE;
if(bEnableTelephone || bEnableAddress || bEnableOnlineResource) {
msIO_printf(" <contactInfo>\n");
if(bEnableTelephone) {
msIO_printf(" <phone>\n");
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_phone_voice", OWS_NOERR, " <voice>%s</voice>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_phone_facsimile", OWS_NOERR, " <facsimile>%s</facsimile>\n", NULL);
msIO_printf(" </phone>\n");
}
if(bEnableAddress) {
msIO_printf(" <address>\n");
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_address_deliverypoint", OWS_NOERR, " <deliveryPoint>%s</deliveryPoint>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_address_city", OWS_NOERR, " <city>%s</city>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_address_administrativearea", OWS_NOERR, " <administrativeArea>%s</administrativeArea>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_address_postalcode", OWS_NOERR, " <postalCode>%s</postalCode>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_address_country", OWS_NOERR, " <country>%s</country>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_address_electronicmailaddress", OWS_NOERR, " <electronicMailAddress>%s</electronicMailAddress>\n", NULL);
msIO_printf(" </address>\n");
}
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "responsibleparty_onlineresource", OWS_NOERR, " <onlineResource xlink:type=\"simple\" xlink:href=\"%s\"/>\n", NULL);
msIO_printf(" </contactInfo>\n");
}
msIO_printf("</responsibleParty>\n");
} else if(msOWSLookupMetadata(&(map->web.metadata), "CO", "contactperson") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "contactorganization")) { /* leverage WMS contact information */
msIO_printf("<responsibleParty>\n");
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "contactperson", OWS_NOERR, " <individualName>%s</individualName>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "contactorganization", OWS_NOERR, " <organisationName>%s</organisationName>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "contactposition", OWS_NOERR, " <positionName>%s</positionName>\n", NULL);
if(msOWSLookupMetadata(&(map->web.metadata), "CO", "contactvoicetelephone") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "contactfacsimiletelephone")) bEnableTelephone = MS_TRUE;
if(msOWSLookupMetadata(&(map->web.metadata), "CO", "address") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "city") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "stateorprovince") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "postcode") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "country") ||
msOWSLookupMetadata(&(map->web.metadata), "CO", "contactelectronicmailaddress")) bEnableAddress = MS_TRUE;
if(msOWSLookupMetadata(&(map->web.metadata), "CO", "service_onlineresource")) bEnableOnlineResource = MS_TRUE;
if(bEnableTelephone || bEnableAddress || bEnableOnlineResource) {
msIO_printf(" <contactInfo>\n");
if(bEnableTelephone) {
msIO_printf(" <phone>\n");
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "contactvoicetelephone", OWS_NOERR, " <voice>%s</voice>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "contactfacsimiletelephone", OWS_NOERR, " <facsimile>%s</facsimile>\n", NULL);
msIO_printf(" </phone>\n");
}
if(bEnableAddress) {
msIO_printf(" <address>\n");
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "address", OWS_NOERR, " <deliveryPoint>%s</deliveryPoint>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "city", OWS_NOERR, " <city>%s</city>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "stateorprovince", OWS_NOERR, " <administrativeArea>%s</administrativeArea>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "postcode", OWS_NOERR, " <postalCode>%s</postalCode>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "country", OWS_NOERR, " <country>%s</country>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "contactelectronicmailaddress", OWS_NOERR, " <electronicMailAddress>%s</electronicMailAddress>\n", NULL);
msIO_printf(" </address>\n");
}
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "service_onlineresource", OWS_NOERR, " <onlineResource xlink:type=\"simple\" xlink:href=\"%s\"/>\n", NULL);
msIO_printf(" </contactInfo>\n");
}
msIO_printf("</responsibleParty>\n");
}
return;
}
/************************************************************************/
/* msWCSGetCapabilities_Service() */
/************************************************************************/
static int msWCSGetCapabilities_Service(mapObj *map, wcsParamsObj *params)
{
/* start the Service section, only need the full start tag if this is the only section requested */
if(!params->section || (params->section && strcasecmp(params->section, "/") == 0))
msIO_printf("<Service>\n");
else
msIO_printf("<Service\n"
" version=\"%s\" \n"
" updateSequence=\"%s\" \n"
" xmlns=\"http://www.opengis.net/wcs\" \n"
" xmlns:xlink=\"http://www.w3.org/1999/xlink\" \n"
" xmlns:gml=\"http://www.opengis.net/gml\" \n"
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
" xsi:schemaLocation=\"http://www.opengis.net/wcs %s/wcs/%s/wcsCapabilities.xsd\">\n", params->version, params->updatesequence, msOWSGetSchemasLocation(map), params->version);
/* optional metadataLink */
msOWSPrintURLType(stdout, &(map->web.metadata), "CO", "metadatalink",
OWS_NOERR,
" <metadataLink%s%s%s%s xlink:type=\"simple\"%s/>",
NULL, " metadataType=\"%s\"", NULL, NULL, NULL,
" xlink:href=\"%s\"", MS_FALSE, MS_FALSE, MS_FALSE,
MS_FALSE, MS_TRUE, "other", NULL, NULL, NULL, NULL, NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "description", OWS_NOERR, " <description>%s</description>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "name", OWS_NOERR, " <name>%s</name>\n", "MapServer WCS");
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "label", OWS_WARN, " <label>%s</label>\n", NULL);
/* we are not supporting the optional keyword type, at least not yet */
msOWSPrintEncodeMetadataList(stdout, &(map->web.metadata), "CO", "keywordlist", " <keywords>\n", " </keywords>\n", " <keyword>%s</keyword>\n", NULL);
msWCSGetCapabilities_Service_ResponsibleParty(map);
msOWSPrintEncodeMetadata(stdout, &(map->web.metadata), "CO", "fees", OWS_NOERR, " <fees>%s</fees>\n", "NONE");
msOWSPrintEncodeMetadataList(stdout, &(map->web.metadata), "CO", "accessconstraints", " <accessConstraints>\n", " </accessConstraints>\n", " %s\n", "NONE");
/* done */
msIO_printf("</Service>\n");
return MS_SUCCESS;
}
/************************************************************************/
/* msWCSGetCapabilities_Capability() */
/************************************************************************/
static int msWCSGetCapabilities_Capability(mapObj *map, wcsParamsObj *params, cgiRequestObj *req)
{
char *script_url=NULL, *script_url_encoded=NULL;
/* we need this server's onlineresource for the request section */
if((script_url=msOWSGetOnlineResource(map, "CO", "onlineresource", req)) == NULL || (script_url_encoded = msEncodeHTMLEntities(script_url)) == NULL) {
free(script_url);
free(script_url_encoded);
return msWCSException(map, NULL, NULL, params->version );
}
/* start the Capabilty section, only need the full start tag if this is the only section requested */
if(!params->section || (params->section && strcasecmp(params->section, "/") == 0))
msIO_printf("<Capability>\n");
else
msIO_printf("<Capability\n"
" version=\"%s\" \n"
" updateSequence=\"%s\" \n"
" xmlns=\"http://www.opengis.net/wcs\" \n"
" xmlns:xlink=\"http://www.w3.org/1999/xlink\" \n"
" xmlns:gml=\"http://www.opengis.net/gml\" \n"
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
" xsi:schemaLocation=\"http://www.opengis.net/wcs %s/wcs/%s/wcsCapabilities.xsd\">\n", params->version, params->updatesequence, msOWSGetSchemasLocation(map), params->version);
/* describe the types of requests the server can handle */
msIO_printf(" <Request>\n");
msWCSPrintRequestCapability(params->version, "GetCapabilities", script_url_encoded);
if (msOWSRequestIsEnabled(map, NULL, "C", "DescribeCoverage", MS_FALSE))
msWCSPrintRequestCapability(params->version, "DescribeCoverage", script_url_encoded);
if (msOWSRequestIsEnabled(map, NULL, "C", "GetCoverage", MS_FALSE))
msWCSPrintRequestCapability(params->version, "GetCoverage", script_url_encoded);
msIO_printf(" </Request>\n");
/* describe the exception formats the server can produce */
msIO_printf(" <Exception>\n");
msIO_printf(" <Format>application/vnd.ogc.se_xml</Format>\n");
msIO_printf(" </Exception>\n");
/* describe any vendor specific capabilities */
/* msIO_printf(" <VendorSpecificCapabilities />\n"); */ /* none yet */
/* done */
msIO_printf("</Capability>\n");
free(script_url);
free(script_url_encoded);
return MS_SUCCESS;
}
/************************************************************************/
/* msWCSGetCapabilities_CoverageOfferingBrief() */
/************************************************************************/
static int msWCSGetCapabilities_CoverageOfferingBrief(layerObj *layer, wcsParamsObj *params)
{
coverageMetadataObj cm;
int status;
if((layer->status == MS_DELETE) || !msWCSIsLayerSupported(layer)) return MS_SUCCESS; /* not an error, this layer cannot be served via WCS */
status = msWCSGetCoverageMetadata(layer, &cm);
if(status != MS_SUCCESS) return MS_FAILURE;
/* start the CoverageOfferingBrief section */
msIO_printf(" <CoverageOfferingBrief>\n"); /* is this tag right? (I hate schemas without ANY examples) */
/* optional metadataLink */
msOWSPrintURLType(stdout, &(layer->metadata), "CO", "metadatalink",
OWS_NOERR,
" <metadataLink%s%s%s%s xlink:type=\"simple\"%s/>",
NULL, " metadataType=\"%s\"", NULL, NULL, NULL,
" xlink:href=\"%s\"", MS_FALSE, MS_FALSE, MS_FALSE,
MS_FALSE, MS_TRUE, "other", NULL, NULL, NULL, NULL, NULL);
msOWSPrintEncodeMetadata(stdout, &(layer->metadata), "CO", "description", OWS_NOERR, " <description>%s</description>\n", NULL);
msOWSPrintEncodeMetadata(stdout, &(layer->metadata), "CO", "name", OWS_NOERR, " <name>%s</name>\n", layer->name);
msOWSPrintEncodeMetadata(stdout, &(layer->metadata), "CO", "label", OWS_WARN, " <label>%s</label>\n", NULL);
/* TODO: add elevation ranges to lonLatEnvelope (optional) */
msIO_printf(" <lonLatEnvelope srsName=\"urn:ogc:def:crs:OGC:1.3:CRS84\">\n");
msIO_printf(" <gml:pos>%.15g %.15g</gml:pos>\n", cm.llextent.minx, cm.llextent.miny); /* TODO: don't know if this is right */
msIO_printf(" <gml:pos>%.15g %.15g</gml:pos>\n", cm.llextent.maxx, cm.llextent.maxy);
msOWSPrintEncodeMetadataList(stdout, &(layer->metadata), "CO", "timeposition", NULL, NULL, " <gml:timePosition>%s</gml:timePosition>\n", NULL);
msIO_printf(" </lonLatEnvelope>\n");
/* we are not supporting the optional keyword type, at least not yet */
msOWSPrintEncodeMetadataList(stdout, &(layer->metadata), "CO", "keywordlist", " <keywords>\n", " </keywords>\n", " <keyword>%s</keyword>\n", NULL);
/* done */
msIO_printf(" </CoverageOfferingBrief>\n");
return MS_SUCCESS;
}
/************************************************************************/
/* msWCSGetCapabilities_ContentMetadata() */
/************************************************************************/
static int msWCSGetCapabilities_ContentMetadata(mapObj *map, wcsParamsObj *params, owsRequestObj *ows_request)
{
int i;
/* start the ContentMetadata section, only need the full start tag if this is the only section requested */
/* TODO: add Xlink attributes for other sources of this information */
if(!params->section || (params->section && strcasecmp(params->section, "/") == 0))
msIO_printf("<ContentMetadata>\n");
else
msIO_printf("<ContentMetadata\n"
" version=\"%s\" \n"
" updateSequence=\"%s\" \n"
" xmlns=\"http://www.opengis.net/wcs\" \n"
" xmlns:xlink=\"http://www.w3.org/1999/xlink\" \n"
" xmlns:gml=\"http://www.opengis.net/gml\" \n"
" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
" xsi:schemaLocation=\"http://www.opengis.net/wcs %s/wcs/%s/wcsCapabilities.xsd\">\n", params->version, params->updatesequence, msOWSGetSchemasLocation(map), params->version);
if(ows_request->numlayers == 0)
{
msIO_printf(" <!-- WARNING: No WCS layers are enabled. Check wcs/ows_enable_request settings. -->\n");
}
else
{
for(i=0; i<map->numlayers; i++) {
if (!msIntegerInArray(GET_LAYER(map, i)->index, ows_request->enabled_layers, ows_request->numlayers))
continue;
if( msWCSGetCapabilities_CoverageOfferingBrief((GET_LAYER(map, i)), params) != MS_SUCCESS ) {
msIO_printf("</ContentMetadata>\n");
return MS_FAILURE;
}
}
}
/* done */
msIO_printf("</ContentMetadata>\n");
return MS_SUCCESS;
}
/************************************************************************/
/* msWCSGetCapabilities() */
/************************************************************************/
static int msWCSGetCapabilities(mapObj *map, wcsParamsObj *params, cgiRequestObj *req, owsRequestObj *ows_request)
{
char tmpString[OWS_VERSION_MAXLEN];
int i, tmpInt = 0;
int wcsSupportedVersions[] = {OWS_1_1_2, OWS_1_1_1, OWS_1_1_0, OWS_1_0_0};
int wcsNumSupportedVersions = 4;
const char *updatesequence=NULL;
const char *encoding;
encoding = msOWSLookupMetadata(&(map->web.metadata), "CO", "encoding");
/* check version is valid */
tmpInt = msOWSParseVersionString(params->version);
if (tmpInt == OWS_VERSION_BADFORMAT)
{
return msWCSException(map, "InvalidParameterValue",
"version", "1.0.0 ");
}
/* negotiate version */
tmpInt = msOWSNegotiateVersion(tmpInt, wcsSupportedVersions, wcsNumSupportedVersions);
/* set result as string and carry on */
free(params->version);
params->version = msStrdup(msOWSGetVersionString(tmpInt, tmpString));
/* -------------------------------------------------------------------- */
/* 1.1.x is sufficiently different we have a whole case for */
/* it. The remainder of this function is for 1.0.0. */
/* -------------------------------------------------------------------- */
if( strncmp(params->version,"1.1",3) == 0 )
return msWCSGetCapabilities11( map, params, req, ows_request);
updatesequence = msOWSLookupMetadata(&(map->web.metadata), "CO", "updatesequence");
if (params->updatesequence != NULL) {
i = msOWSNegotiateUpdateSequence(params->updatesequence, updatesequence);
if (i == 0) { /* current */
msSetError(MS_WCSERR, "UPDATESEQUENCE parameter (%s) is equal to server (%s)", "msWCSGetCapabilities()", params->updatesequence, updatesequence);
return msWCSException(map, "CurrentUpdateSequence",
"updatesequence", params->version );
}
if (i > 0) { /* invalid */
msSetError(MS_WCSERR, "UPDATESEQUENCE parameter (%s) is higher than server (%s)", "msWCSGetCapabilities()", params->updatesequence, updatesequence);
return msWCSException(map, "InvalidUpdateSequence",
"updatesequence", params->version );
}
}
else { /* set default updatesequence */