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more generalized javascript_renderData

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- handles json/jsonp transparently (avoiding code duplication in templates)
- use php's internal json_encode functions (with JSON_UNESCAPED_UNICODE
  for backward compatibility)
- be more liberal with what is allowed as a callback identifier
- return a 400 for illegal callbacks
- return application/javascript type when jsonp is requested

fixes #16, fixes #17
This commit is contained in:
Sarah Hoffmann 2012-07-01 13:19:59 +02:00
parent 8ff0aabaf3
commit 1cb55c6e31
5 changed files with 22 additions and 85 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
lib/lib.php
View File

@ -592,45 +592,25 @@
}
function javascript_isarray($xVal)
{
if (!is_array($xVal)) return false;
for($i = 0; $i < sizeof($xVal); $i++)
{
if (!array_key_exists($i, $xVal)) return false;
}
return true;
}
function javascript_renderData($xVal, $bForceHash = false)
{
if (is_array($xVal))
{
$aVals = array();
if (javascript_isarray($xVal) && !$bForceHash)
{
foreach($xVal as $sKey => $xData)
{
$aVals[] = javascript_renderData($xData);
}
return '['.join(',',$aVals).']';
}
else
{
foreach($xVal as $sKey => $xData)
{
$aVals[] = '"'.addslashes($sKey).'"'.':'.javascript_renderData($xData);
}
return '{'.join(',',$aVals).'}';
}
}
else
{
if (is_bool($xVal)) return $xVal?'true':'false';
// if (is_numeric($xVal)) return $xVal;
return '"'.str_replace('>','\\>',str_replace(array("\n","\r"),'\\n',str_replace(array("\n\r","\r\n"),'\\n',str_replace('"','\\"',$xVal)))).'"';
}
}
function javascript_renderData($xVal)
{
header("Access-Control-Allow-Origin: *");
$jsonout = json_encode($xVal, JSON_UNESCAPED_UNICODE);
if( ! isset($_GET['json_callback'])) {
header("Content-Type: application/json; charset=UTF-8");
echo $jsonout;
} else {
if (preg_match('/^[$_\p{L}][$_\p{L}\p{Nd}.[\]]*$/u',$_GET['json_callback'])) {
header("Content-Type: application/javascript; charset=UTF-8");
echo $_GET['json_callback'].'('.$jsonout.')';
} else {
header('HTTP/1.0 400 Bad Request');
}
}
}
function _debugDumpGroupedSearches($aData, $aTokens)
{

13
lib/template/address-json.php
View File

@ -1,7 +1,4 @@
<?php
header ("Content-Type: application/json; charset=UTF-8");
header("Access-Control-Allow-Origin: *");
$aFilteredPlaces = array();
if (!sizeof($aPlace))
@ -27,13 +24,5 @@
if ($bShowAddressDetails) $aFilteredPlaces['address'] = $aAddress;
}
if (isset($_GET['json_callback']) && preg_match('/^[-A-Za-z0-9:_.]+$/',$_GET['json_callback']))
{
echo $_GET['json_callback'].'('.javascript_renderData($aFilteredPlaces).')';
}
else
{
echo javascript_renderData($aFilteredPlaces);
}
javascript_renderData($aFilteredPlaces);

14
lib/template/address-jsonv2.php
View File

@ -1,7 +1,4 @@
<?php
header ("Content-Type: application/json; charset=UTF-8");
header("Access-Control-Allow-Origin: *");
$aFilteredPlaces = array();
if (!sizeof($aPlace))
@ -32,13 +29,4 @@
if ($bShowAddressDetails && $aAddress && sizeof($aAddress)) $aFilteredPlaces['address'] = $aAddress;
}
if (isset($_GET['json_callback']) && preg_match('/^[-A-Za-z0-9:_]+$/',$_GET['json_callback']))
{
echo $_GET['json_callback'].'('.javascript_renderData($aFilteredPlaces).')';
}
else
{
echo javascript_renderData($aFilteredPlaces);
}
javascript_renderData($aFilteredPlaces);

12
lib/template/search-json.php
View File

@ -1,7 +1,4 @@
<?php
header("Content-Type: application/json; charset=UTF-8");
header("Access-Control-Allow-Origin: *");
$aFilteredPlaces = array();
foreach($aSearchResults as $iResNum => $aPointDetails)
{
@ -55,11 +52,4 @@
$aFilteredPlaces[] = $aPlace;
}
if (isset($_GET['json_callback']) && preg_match('/^[-A-Za-z0-9:_.]+$/',$_GET['json_callback']))
{
echo $_GET['json_callback'].'('.javascript_renderData($aFilteredPlaces).')';
}
else
{
echo javascript_renderData($aFilteredPlaces);
}
javascript_renderData($aFilteredPlaces);

12
lib/template/search-jsonv2.php
View File

@ -1,7 +1,4 @@
<?php
header("Content-Type: application/json; charset=UTF-8");
header("Access-Control-Allow-Origin: *");
$aFilteredPlaces = array();
foreach($aSearchResults as $iResNum => $aPointDetails)
{
@ -55,11 +52,4 @@
$aFilteredPlaces[] = $aPlace;
}
if (isset($_GET['json_callback']) && preg_match('/^[-A-Za-z0-9:_.]+$/',$_GET['json_callback']))
{
echo $_GET['json_callback'].'('.javascript_renderData($aFilteredPlaces).')';
}
else
{
echo javascript_renderData($aFilteredPlaces);
}
javascript_renderData($aFilteredPlaces);