From d3fc25a95f785e96682fe5a0fae5496c076de45d Mon Sep 17 00:00:00 2001
From: Edmar Moretti <edmar.moretti@gmail.com>
Date: Fri, 15 May 2015 14:25:09 +0000
Subject: [PATCH] Correção no uso de JSON na requisição WMS getfeatureinfo

---
 aplicmap/ogcws.map   |  2 ++
 aplicmap/ogcwsv5.map |  1 +
 aplicmap/ogcwsv6.map |  1 +
 guia_de_migracao.txt |  4 ++++
 ogc.php              | 82 +++++++++++++++++++++++++++++++++++++++++++++-------------------------------------
 5 files changed, 53 insertions(+), 37 deletions(-)

diff --git a/aplicmap/ogcws.map b/aplicmap/ogcws.map
index aa0d741..df72b1c 100644
--- a/aplicmap/ogcws.map
+++ b/aplicmap/ogcws.map
@@ -105,6 +105,8 @@ MAP
 			"ows_namespace_uri"	"http://www.omsug.ca/osgis2004"
 			"ows_address"	"http://www.mma.gov.br"
 			"ows_postcode"	""
+			"wms_info"	"1.1.1"
+			"wms_feature_info_mime_type" "application/json"
 		"ows_enable_request" "*"
 		END
 		QUERYFORMAT text/html
diff --git a/aplicmap/ogcwsv5.map b/aplicmap/ogcwsv5.map
index 3c7b517..ea14d9b 100644
--- a/aplicmap/ogcwsv5.map
+++ b/aplicmap/ogcwsv5.map
@@ -107,6 +107,7 @@ MAP
 			"ows_address"	"http://www.mma.gov.br"
 			"ows_postcode"	""
 		"ows_enable_request" "*"
+		"wms_feature_info_mime_type" "application/json"
 		END
 		QUERYFORMAT text/html
 		LEGENDFORMAT text/html
diff --git a/aplicmap/ogcwsv6.map b/aplicmap/ogcwsv6.map
index 405fcf7..3dc9838 100644
--- a/aplicmap/ogcwsv6.map
+++ b/aplicmap/ogcwsv6.map
@@ -138,6 +138,7 @@ MAP
 			"ows_postcode"	""
 			"ows_enable_request" "*"
 			"ows_sld_enabled" "true"
+			"wms_feature_info_mime_type" "application/json"
 		END
 		QUERYFORMAT text/html
 		LEGENDFORMAT text/html
diff --git a/guia_de_migracao.txt b/guia_de_migracao.txt
index 602bc6f..8b67c0a 100644
--- a/guia_de_migracao.txt
+++ b/guia_de_migracao.txt
@@ -3,6 +3,10 @@ GUIA DE UPDATES e UPGRADES
 -------------------------------------------------------------------------------------------------
 Para a versão 6.0
 
+- para permitir o retorno da requisição WMS getfeatureinfo em JSON, foi incluído no mapfile base utilizado para
+gerar os serviços OGC a linha "wms_feature_info_mime_type" "application/json" em WEB->METADATA
+Caso você utilize um mapfile específico da sua instalação, veja o arquivo original existente em i3geo/aplicmap
+para fazer as adaptações.
 
 - style.overflow passou a ser definido automaticamente como "hidden" para previnir problemas com as janelas de informação.
 Essa definição ocorre apenas quando o elemento body do HTML contiver o id definido como "i3geo" e quando seu estilo
diff --git a/ogc.php b/ogc.php
index 25f5f46..dc5df36 100644
--- a/ogc.php
+++ b/ogc.php
@@ -106,17 +106,6 @@ if(strtolower($OUTPUTFORMAT) == "kml" || strtolower($OUTPUTFORMAT) == "kmz"){
 	$urln = "pacotes/kmlmapserver/kmlservice.php?request=kmz&map=".$tema."&typename=".$tema;
 	header("Location:".$urln);
 	exit;
-	/*
-		$l = $oMap->getlayer(0);
-	$n = $l->name."-kml";
-	$oMap->selectOutputFormat("kml");
-	$oMap->outputformat->setOption("STORAGE", "memory");
-	$oMap->outputformat->setOption("FILENAME", $n.".kml");
-	$l->setmetadata("wfs_getfeature_formatlist","kml");
-	$oMap->save($nomeMapfileTmp);
-	header('Content-Disposition: attachment; filename='.$n.'.kml');
-	header("Content-type: application/vnd.google-earth.kml+xml");
-	*/
 }
 
 //define um nome para o mapfile caso a origem seja o sistema de metadados estatisticos
@@ -876,40 +865,53 @@ ms_ioinstallstdouttobuffer();
 if(strtolower($req->getValueByName("REQUEST")) == "getmap" && $req->getValueByName("format") == ""){
 	$req->setParameter("format","image/png");
 }
-
+if(strtolower($req->getValueByName("REQUEST")) == "getfeatureinfo" && $_GET["info_format"] == "text/xml"){
+	$req->setParameter("info_format","application/vnd.ogc.gml");
+}
+//json conforme cesium
 if(strtolower($req->getValueByName("REQUEST")) == "getfeatureinfo" && $_GET["info_format"] == "application/json"){
-	$req->setParameter("info_format","text/plain");
+	$req->setParameter("info_format","application/vnd.ogc.gml");
 	$oMap->owsdispatch($req);
 	ms_iostripstdoutbuffercontentheaders();
 	ob_clean();
 	$r = ms_iogetstdoutbufferstring();
-	$t = explode("=",$r);
+	//$r = converteenc($r);
+	$nome = $oMap->getlayer(0)->name;
+	$xml = simplexml_load_string($r);
+
+	$json = json_encode($xml);
+	$r = json_decode($json,TRUE);
+	$propriedades = $r[$nome."_layer"];
+	$propriedades = $propriedades[$nome."_feature"];
+	$propriedades = converteenc(json_encode($propriedades));
+	$propriedades = json_decode($propriedades);
 	$n = array();
-	if(count($t) > 1){
-		$v = str_replace("\\n","",$t[1]);
-		$v = str_replace("\\r","",$v);
-		if(trim($v) != ""){
-			$va = trim($v);
-			$coluna = trim(explode(":",$t[0])[2]);
-			$valor = str_replace("'","",$va);
-			$n[] = array (
-					"type" => "FeatureCollection",
-					"features" => array(
-							array(
-									"type"=>"Feature",
-									"id" => "",
-									"geometry" => array(),
-									"properties" => array(
-											$coluna => $valor
-									),
-									"geometry_name" => ""
-							)
+	$n[] = array (
+			"type" => "FeatureCollection",
+			"features" => array(
+					array(
+							"type"=>"Feature",
+							"id" => "",
+							"geometry" => array(),
+							"properties" => array(
+									$propriedades
+							),
+							"geometry_name" => ""
 					)
-			);
-		}
-	}
+			)
+	);
 	header("Content-type: application/json");
-	echo json_encode($n[0]);
+	$json = json_encode($n[0]);
+	//verifica a substituicao de alias
+	$itens = $oMap->getlayer(0)->getmetadata("ITENS"); // itens
+	$itensdesc = $oMap->getlayer(0)->getmetadata("ITENSDESC"); // descri&ccedil;&atilde;o dos itens
+	$itens = explode(",",$itens);
+	$itensdesc = explode(",",converteenc($itensdesc));
+	$n = count($itens);
+	for($i = 0; $i < $n; $i++){
+		$json = str_ireplace($itens[$i],$itensdesc[$i],$json);
+	}
+	echo $json;
 	exit;
 }
 
@@ -1143,4 +1145,10 @@ function renderNocacheTms(){
 		header("Content-type: image/png");
 	}
 }
+function converteenc($texto){
+	if (!mb_detect_encoding($texto,"UTF-8",true)){
+		$texto = mb_convert_encoding($texto,"UTF-8","ISO-8859-1");
+	}
+	return $texto;
+}
 ?>
--
libgit2 0.21.2