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introduce accessor function for URL parameter

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These functions take care of type conversion and check that
the parameters contain legal values. The API now returns a
Bad Request error if the format is wrong.
This commit is contained in:
Sarah Hoffmann
2016-06-11 23:07:06 +02:00
parent aa9fff9199
commit d45524cbfb
9 changed files with 153 additions and 141 deletions
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41
website/reverse.php
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@@ -21,16 +21,12 @@
$bAsPoints = false;
$bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
$bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
$bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
$bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
if ( ( ($bAsGeoJSON?1:0)
+ ($bAsKML?1:0)
+ ($bAsSVG?1:0)
+ ($bAsText?1:0)
+ ($bAsPoints?1:0)
) > CONST_PolygonOutput_MaximumTypes)
$bAsGeoJSON = getParamBool('polygon_geojson');
$bAsKML = getParamBool('polygon_kml');
$bAsSVG = getParamBool('polygon_svg');
$bAsText = getParamBool('polygon_text');
if ((($bAsGeoJSON?1:0) + ($bAsKML?1:0) + ($bAsSVG?1:0)
+ ($bAsText?1:0) + ($bAsPoints?1:0)) > CONST_PolygonOutput_MaximumTypes)
{
if (CONST_PolygonOutput_MaximumTypes)
{
@@ -45,19 +41,14 @@
// Polygon simplification threshold (optional)
$fThreshold = 0.0;
if (isset($_GET['polygon_threshold'])) $fThreshold = (float)$_GET['polygon_threshold'];
$fThreshold = getParamFloat('polygon_threshold', 0.0);
$oDB =& getDB();
ini_set('memory_limit', '200M');
// Format for output
$sOutputFormat = 'xml';
if (isset($_GET['format']) && ( $_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' || $_GET['format'] == 'jsonv2'))
{
$sOutputFormat = $_GET['format'];
}
$sOutputFormat = getParamSet('format', array('html', 'xml', 'json', 'jsonv2'), 'xml');
// Preferred language
$aLangPrefOrder = getPreferredLanguages();
@@ -65,24 +56,28 @@
$hLog = logStart($oDB, 'reverse', $_SERVER['QUERY_STRING'], $aLangPrefOrder);
if (isset($_GET['osm_type']) && isset($_GET['osm_id']) && (int)$_GET['osm_id'] && ($_GET['osm_type'] == 'N' || $_GET['osm_type'] == 'W' || $_GET['osm_type'] == 'R'))
$sOsmType = getParamSet('osmtype', array('N', 'W', 'R'));
$iOsmId = getParamInt('osmid', -1);
$fLat = getParamFloat('lat');
$fLon = getParamFloat('lon');
if ($sOsmType && $iOsmId > 0)
{
$aLookup = array('osm_type' => $_GET['osm_type'], 'osm_id' => $_GET['osm_id']);
$aLookup = array('osm_type' => $sOsmType, 'osm_id' => $iOsmId);
}
else if (isset($_GET['lat']) && isset($_GET['lon']) && preg_match('/^[+-]?[0-9]*\.?[0-9]+$/', $_GET['lat']) && preg_match('/^[+-]?[0-9]*\.?[0-9]+$/', $_GET['lon']))
else if ($fLat !== false && $fLon !==false)
{
$oReverseGeocode = new ReverseGeocode($oDB);
$oReverseGeocode->setLanguagePreference($aLangPrefOrder);
$oReverseGeocode->setLatLon($_GET['lat'], $_GET['lon']);
$oReverseGeocode->setZoom(@$_GET['zoom']);
$oReverseGeocode->setLatLon($fLat, $fLon);
$oReverseGeocode->setZoom(getParamInt('zoom'));
$aLookup = $oReverseGeocode->lookup();
if (CONST_Debug) var_dump($aLookup);
}
else
{
$aLookup = null;
userError("Need coordinates or OSM object to lookup.");
}
if ($aLookup)