function BuildPostData($dicPostData, $dicFiles, &$contentType)
{
$isMultipart = is_array($dicFiles) && count($dicFiles) > 0;
$result = "";
// ** Multipart post
if ($isMultipart) {
$boundary = "----CrankyAdsBrowserBoundary2a84c2ab17e842b590ca5a0e43e756fa";
$contentType = "multipart/form-data; boundary=" . $boundary;
// Write post data (in multipart format)
if (is_array($dicPostData)) {
foreach ($dicPostData as $key => $value) {
if ($this->bPostDataConvertUnderscoreToPeriod) {
$key = str_replace("_", ".", $key);
}
$result .= CrankyAdsHelper::BuildFormDataMultipart($key, $value, $boundary);
}
}
// Write files (in multipart format)
if (is_array($dicFiles)) {
foreach ($dicFiles as $key => $value) {
if ($this->bPostDataConvertUnderscoreToPeriod) {
$key = str_replace("_", ".", $key);
}
if ($value["name"] != null) {
$result .= "--" . $boundary . "\r\n";
$result .= "Content-Disposition: form-data; name=\"" . $key . "\"; filename=\"" . $value["name"] . "\"\r\n";
$result .= "Content-Type: " . $value["type"];
$result .= "\r\n\r\n";
$fileContent = file_get_contents($value["tmp_name"]);
$result .= $fileContent;
$result .= "\r\n";
}
}
}
// Terminator
$result .= "--" . $boundary . "--\r\n";
} else {
$contentType = "application/x-www-form-urlencoded";
foreach ($dicPostData as $key => $value) {
if ($this->bPostDataConvertUnderscoreToPeriod) {
$key = str_replace("_", ".", $key);
}
if (strlen($result) > 0) {
$result .= "&";
}
$result .= CrankyAdsHelper::BuildFormDataUrlEncoded($key, $value);
}
}
return $result;
}
function ReplaceActionUrlPlaceholders($strLocalActionProxyUrl = false)
{
// Insert the current Url
if ($strLocalActionProxyUrl === false) {
$strLocalActionProxyUrl = CrankyAdsHelper::GetFullRequestUri("serverurl");
}
$this->ReplaceUrlPlaceholder($this->CA_SERVER_ACTION_URL_PLACEHOLDER, $strLocalActionProxyUrl);
}
static function BuildFormDataMultipart($key, $value, $boundary)
{
$result = "";
// ** Array $value
if (is_array($value)) {
// * Create and Encode a composite key for each array value
foreach ($value as $valueKey => $valueValue) {
// Create the composite key
$compositeKey = $key;
if (preg_match("/^\\d+\$/i", $valueKey)) {
// int Array Key
$compositeKey .= "[{$valueKey}]";
} else {
// string Array Key
$compositeKey .= ".{$valueKey}";
}
// Encode this Value
$result .= CrankyAdsHelper::BuildFormDataMultipart($compositeKey, $valueValue, $boundary);
}
} else {
$result .= "--" . $boundary . "\r\n";
$result .= "Content-Disposition: form-data; name=\"" . $key . "\"";
$result .= "\r\n\r\n";
$result .= $value;
$result .= "\r\n";
}
return $result;
}
function AddStandardHttpRequestHeaders(&$dicHeaders)
{
if (isset($_SERVER["HTTP_CACHE_CONTROL"]) && !CrankyAdsHelper::ArrayKeyExistsCaseInsensitive("Cache-Control", $dicHeaders)) {
$dicHeaders["Cache-Control"] = stripslashes_deep($_SERVER["HTTP_CACHE_CONTROL"]);
}
if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"]) && !CrankyAdsHelper::ArrayKeyExistsCaseInsensitive("If-Modified-Since", $dicHeaders)) {
$dicHeaders["If-Modified-Since"] = stripslashes_deep($_SERVER["HTTP_IF_MODIFIED_SINCE"]);
}
if (isset($_SERVER["HTTP_IF_NONE_MATCH"]) && !CrankyAdsHelper::ArrayKeyExistsCaseInsensitive("If-None-Match", $dicHeaders)) {
$dicHeaders["If-None-Match"] = stripslashes_deep($_SERVER["HTTP_IF_NONE_MATCH"]);
}
}
function LoadHeadData($xmlCssData, $xmlScriptData, $flagsCacheBehaviour, &$bIsAvailable, &$bIsTimedOut)
{
// ** Setup
$bIsAvailable = true;
$bIsTimedOut = false;
// ** Load custom css
$customCss = $xmlCssData->getElementsByTagName("custom");
foreach ($customCss as $iCustom) {
// * Get the URL for this custom css
$cssUrl = $iCustom->attributes->getNamedItem("src")->nodeValue;
$cssUrl = CrankyAdsHelper::UrlGetQuerystringValue($cssUrl, "serverurl");
if ($cssUrl === false) {
// The file has likely been been linked to a cache file directly
continue;
}
// * Load the css content
$cssEntry = $this->Proxy->GetRemoteContent($cssUrl, false, false, 0, 3, false, false, false, $flagsCacheBehaviour, false, "content");
// Unable to load entry
if ($cssEntry === false || $cssEntry->HttpResponseCode !== 200) {
$bIsAvailable = false;
} else {
if ($cssEntry->cIsFromCache && $cssEntry->cIsTimedOut) {
$bIsTimedOut = true;
}
}
}
// ** Short circuit
// Can't get any worse than this, so no need to keep checking
if (!$bIsAvailable && $bIsTimedOut) {
return;
}
// ** Load custom scripts
$customScript = $xmlScriptData->getElementsByTagName("custom");
foreach ($customScript as $iCustom) {
// * Get the URL for this custom css
$scriptUrl = $iCustom->attributes->getNamedItem("src")->nodeValue;
$scriptUrl = CrankyAdsHelper::UrlGetQuerystringValue($scriptUrl, "serverurl");
if ($scriptUrl === false) {
// The file has likely been been linked to a cache file directly
continue;
}
// * Check / Refresh the css content
$scriptEntry = $this->Proxy->GetRemoteContent($scriptUrl, false, false, 0, 3, false, false, false, $flagsCacheBehaviour, false, "content");
// Unable to load entry
if ($scriptEntry === false || $scriptEntry->HttpResponseCode !== 200) {
$bIsAvailable = false;
} else {
if ($scriptEntry->cIsFromCache && $scriptEntry->cIsTimedOut) {
$bIsTimedOut = true;
}
}
}
}
function GetCache($url, $requestHeaders = false, $ignoreTimeout = false)
{
// ** NO CACHE
if (CRANKY_ADS_DISABLE_CACHE) {
return false;
}
// ** Clean input
$url = trim(strtolower($url));
if (strlen($url) <= 0) {
return false;
}
if (is_array($requestHeaders)) {
$requestHeaders = CrankyAdsHelper::ArrayKeyToLower($requestHeaders);
}
// ** Get the cache entry
$cacheEntry = $this->DataContext->GetCacheEntryByUrl($url);
if ($cacheEntry === false) {
return false;
}
// ** Check Timeout
$now = strtotime(gmdate("Y-m-d H:i:s") . " UTC");
$timestamp = strtotime($cacheEntry->timestamp . " UTC");
$timeoutAt = strtotime("+" . $cacheEntry->timeoutSeconds . " seconds", $timestamp);
if (!$ignoreTimeout && $now > $timeoutAt) {
return false;
}
// ** Check the response code
$responseCode = 200;
if (is_array($requestHeaders) && (isset($requestHeaders["if-modified-since"]) || isset($requestHeaders["if-none-match"])) && (!isset($cacheEntry->httpLastModified) || isset($cacheEntry->httpLastModified) && isset($requestHeaders["if-modified-since"]) && trim(strtolower($cacheEntry->httpLastModified)) == trim(strtolower($requestHeaders["if-modified-since"]))) && (!isset($cacheEntry->httpETag) || isset($cacheEntry->httpETag) && isset($requestHeaders["if-none-match"]) && trim(strtolower($cacheEntry->httpETag)) == trim(strtolower($requestHeaders["if-none-match"])))) {
$responseCode = 304;
}
// ** Read the cached data
$cacheData = false;
if ($responseCode == 304) {
$cacheData = "";
} else {
if (isset($cacheEntry->dataFilename)) {
$cacheData = $this->LoadDataFromFile($cacheEntry->dataFilename);
} else {
if (isset($cacheEntry->dataDbFileId)) {
$cacheData = $this->LoadDataFromDb($cacheEntry->dataDbFileId);
}
}
// Could not read the data - invalid cache?
if ($cacheData === false) {
// Delete this cache since there is an error with it
$this->DeleteCacheForCacheEntry($cacheEntry);
return false;
}
}
// ** Construct the HttpResponse
// Headers
$headers = array();
$headers["Content-Type"][] = $cacheEntry->httpContentType;
if (isset($cacheEntry->httpLastModified)) {
$headers["Last-Modified"][] = $cacheEntry->httpLastModified;
}
if (isset($cacheEntry->httpETag)) {
$headers["ETag"][] = $cacheEntry->httpETag;
}
// Response
$result = new CrankyAdsHttpResponse($this->DataContext);
$result->Init($responseCode, $headers, $cacheData);
// Cache parameters
$result->cIsFromCache = true;
$result->cIsTimedOut = $now > $timeoutAt;
if ($result->cIsTimedOut) {
$result->cSecondsSinceTimeout = $now - $timeoutAt;
}
$result->cRenewHeaders = array();
if (isset($cacheEntry->httpLastModified)) {
$result->cRenewHeaders["If-Modified-Since"] = $cacheEntry->httpLastModified;
}
if (isset($cacheEntry->httpETag)) {
$result->cRenewHeaders["If-None-Match"] = $cacheEntry->httpETag;
}
return $result;
}
function ServeRemoteContent()
{
// ** Serve the content
$serverUrl = $_GET["serverurl"];
if (isset($serverUrl)) {
// Don't let anyone mess with our output
$errorReportingSave = error_reporting(0);
if (CRANKY_ADS_DISABLE_ERROR_SUPPRESSION) {
error_reporting($errorReportingSave);
}
// Note:
// . For security reasons this page will serve content from the server /Content directory or /Plugin directory ONLY where content has been marked as public.
// |-> We don't want users accessing plugin settings without being admins
// |-> We don't want malicious users using this page as a proxy to hit just any page on the server (and slowing down this blog)
// |-> We can't limit this call to admins only because this page needs to serve images and other content to users of the blog.
if (!$this->ContentController->ServeRemoteContent($serverUrl, CrankyAdsHelper::GetFullRequestUri("serverurl"), 0)) {
echo "Error contacting the server";
// <- Serving at least something tends to keep colorbox happy
}
error_reporting($errorReportingSave);
} else {
echo "Invalid URL";
}
die;
// We've completed successfully so Wordpress shouldn't output anything else
}
