public function execute()
{
requestUtils::handleConditionalGet();
$flavorId = $this->getRequestParameter("flavorId");
$shouldProxy = $this->getRequestParameter("forceproxy", false);
$ks = $this->getRequestParameter("ks");
$fileParam = $this->getRequestParameter("file");
$referrer = base64_decode($this->getRequestParameter("referrer"));
if (!is_string($referrer)) {
// base64_decode can return binary data
$referrer = '';
}
$flavorAsset = flavorAssetPeer::retrieveById($flavorId);
if (is_null($flavorAsset)) {
KExternalErrors::dieError(KExternalErrors::FLAVOR_NOT_FOUND);
}
$entry = entryPeer::retrieveByPK($flavorAsset->getEntryId());
if (is_null($entry)) {
KExternalErrors::dieError(KExternalErrors::ENTRY_NOT_FOUND);
}
myPartnerUtils::blockInactivePartner($flavorAsset->getPartnerId());
myPartnerUtils::enforceDelivery($flavorAsset->getPartnerId());
//disabled enforce cdn because of rtmp delivery
//requestUtils::enforceCdnDelivery($flavorAsset->getPartnerId());
$syncKey = $flavorAsset->getSyncKey(flavorAsset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET);
if (!kFileSyncUtils::file_exists($syncKey, false)) {
list($fileSync, $local) = kFileSyncUtils::getReadyFileSyncForKey($syncKey, true, false);
if (is_null($fileSync)) {
KalturaLog::log("Error - no FileSync for flavor [" . $flavorAsset->getId() . "]");
KExternalErrors::dieError(KExternalErrors::FILE_NOT_FOUND);
}
// always dump remote urls so they will be cached by the cdn transparently
$remoteUrl = kDataCenterMgr::getRedirectExternalUrl($fileSync);
kFile::dumpUrl($remoteUrl, true, true);
}
$path = kFileSyncUtils::getReadyLocalFilePathForKey($syncKey);
$flvWrapper = new myFlvHandler($path);
$isFlv = $flvWrapper->isFlv();
$clipFrom = $this->getRequestParameter("clipFrom", 0);
// milliseconds
$clipTo = $this->getRequestParameter("clipTo", 2147483647);
// milliseconds
if ($clipTo == 0) {
$clipTo = 2147483647;
}
if (is_dir($path) && $fileParam) {
$path .= "/{$fileParam}";
//echo "path($path),file($fileParam)";
kFile::dumpFile($path, null, null);
die;
} else {
if (!$isFlv) {
$limit_file_size = 0;
if ($clipTo != 2147483647) {
$mediaInfo = mediaInfoPeer::retrieveByFlavorAssetId($flavorAsset->getId());
if ($mediaInfo && ($mediaInfo->getVideoDuration() || $mediaInfo->getAudioDuration() || $mediaInfo->getContainerDuration())) {
$duration = $mediaInfo->getVideoDuration() ? $mediaInfo->getVideoDuration() : ($mediaInfo->getAudioDuration() ? $mediaInfo->getAudioDuration() : $mediaInfo->getContainerDuration());
$limit_file_size = floor(@filesize($path) * ($clipTo / $duration));
}
}
kFile::dumpFile($path, null, null, $limit_file_size);
die;
}
}
$audioOnly = $this->getRequestParameter("audioOnly");
// milliseconds
if ($audioOnly === '0') {
// audioOnly was explicitly set to 0 - don't attempt to make further automatic investigations
} elseif ($flvWrapper->getFirstVideoTimestamp() < 0) {
$audioOnly = true;
}
$seekFrom = $this->getRequestParameter("seekFrom", -1);
if ($seekFrom <= 0) {
$seekFrom = -1;
}
$seekFromBytes = $this->getRequestParameter("seekFromBytes", -1);
if ($seekFromBytes <= 0) {
$seekFromBytes = -1;
}
$bytes = 0;
if ($seekFrom !== -1 && $seekFrom !== 0) {
list($bytes, $duration, $firstTagByte, $toByte) = $flvWrapper->clip(0, -1, $audioOnly);
list($bytes, $duration, $fromByte, $toByte, $seekFromTimestamp) = $flvWrapper->clip($seekFrom, -1, $audioOnly);
$seekFromBytes = myFlvHandler::FLV_HEADER_SIZE + $flvWrapper->getMetadataSize($audioOnly) + $fromByte - $firstTagByte;
} else {
list($bytes, $duration, $fromByte, $toByte, $fromTs, $cuepointPos) = myFlvStaticHandler::clip($path, $clipFrom, $clipTo, $audioOnly);
}
$metadataSize = $flvWrapper->getMetadataSize($audioOnly);
$dataOffset = $metadataSize + myFlvHandler::getHeaderSize();
$totalLength = $dataOffset + $bytes;
list($bytes, $duration, $fromByte, $toByte, $fromTs, $cuepointPos) = myFlvStaticHandler::clip($path, $clipFrom, $clipTo, $audioOnly);
list($rangeFrom, $rangeTo, $rangeLength) = requestUtils::handleRangeRequest($totalLength);
if ($totalLength < 1000) {
// (actually $total_length is probably 13 or 143 - header + empty metadata tag) probably a bad flv maybe only the header - dont cache
requestUtils::sendCdnHeaders("flv", $rangeLength, 0);
} else {
requestUtils::sendCdnHeaders("flv", $rangeLength);
}
header('Content-Disposition: attachment; filename="video.flv"');
// dont inject cuepoint into the stream
$cuepointTime = 0;
$cuepointPos = 0;
try {
Propel::close();
} catch (Exception $e) {
$this->logMessage("serveFlavor: error closing db {$e}");
}
header("Content-Type: video/x-flv");
$flvWrapper->dump(self::CHUNK_SIZE, $fromByte, $toByte, $audioOnly, $seekFromBytes, $rangeFrom, $rangeTo, $cuepointTime, $cuepointPos);
die;
}
/**
* @return int
*/
protected function getSeekFromBytes($path)
{
if ($this->params->getSeekFromTime() <= 0) {
return null;
}
$flvWrapper = new myFlvHandler($path);
if (!$flvWrapper->isFlv()) {
return null;
}
$audioOnly = false;
if ($flvWrapper->getFirstVideoTimestamp() < 0) {
$audioOnly = true;
}
list($bytes, $duration, $firstTagByte, $toByte) = $flvWrapper->clip(0, -1, $audioOnly);
list($bytes, $duration, $fromByte, $toByte, $seekFromTimestamp) = $flvWrapper->clip($this->params->getSeekFromTime(), -1, $audioOnly);
$seekFromBytes = myFlvHandler::FLV_HEADER_SIZE + $flvWrapper->getMetadataSize($audioOnly) + $fromByte - $firstTagByte;
return $seekFromBytes;
}
public function execute()
{
//entitlement should be disabled to serveFlavor action as we do not get ks on this action.
KalturaCriterion::disableTag(KalturaCriterion::TAG_ENTITLEMENT_CATEGORY);
requestUtils::handleConditionalGet();
$flavorId = $this->getRequestParameter("flavorId");
$shouldProxy = $this->getRequestParameter("forceproxy", false);
$fileName = $this->getRequestParameter("fileName");
$fileParam = $this->getRequestParameter("file");
$fileParam = basename($fileParam);
$pathOnly = $this->getRequestParameter("pathOnly", false);
$referrer = base64_decode($this->getRequestParameter("referrer"));
if (!is_string($referrer)) {
// base64_decode can return binary data
$referrer = '';
}
$flavorAsset = assetPeer::retrieveById($flavorId);
if (is_null($flavorAsset)) {
KExternalErrors::dieError(KExternalErrors::FLAVOR_NOT_FOUND);
}
$entryId = $this->getRequestParameter("entryId");
if (!is_null($entryId) && $flavorAsset->getEntryId() != $entryId) {
KExternalErrors::dieError(KExternalErrors::FLAVOR_NOT_FOUND);
}
if ($fileName) {
header("Content-Disposition: attachment; filename=\"{$fileName}\"");
header("Content-Type: application/force-download");
header("Content-Description: File Transfer");
}
$clipTo = null;
$entry = $flavorAsset->getentry();
if (!$entry) {
KExternalErrors::dieError(KExternalErrors::ENTRY_NOT_FOUND);
}
KalturaMonitorClient::initApiMonitor(false, 'extwidget.serveFlavor', $flavorAsset->getPartnerId());
myPartnerUtils::enforceDelivery($entry, $flavorAsset);
$version = $this->getRequestParameter("v");
if (!$version) {
$version = $flavorAsset->getVersion();
}
$syncKey = $flavorAsset->getSyncKey(flavorAsset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET, $version);
if ($pathOnly && kIpAddressUtils::isInternalIp($_SERVER['REMOTE_ADDR'])) {
$path = null;
list($file_sync, $local) = kFileSyncUtils::getReadyFileSyncForKey($syncKey, false, false);
if ($file_sync) {
$parent_file_sync = kFileSyncUtils::resolve($file_sync);
$path = $parent_file_sync->getFullPath();
if ($fileParam && is_dir($path)) {
$path .= "/{$fileParam}";
}
}
$renderer = new kRendererString('{"sequences":[{"clips":[{"type":"source","path":"' . $path . '"}]}]}', 'application/json');
if ($path) {
$this->storeCache($renderer, $flavorAsset->getPartnerId());
}
$renderer->output();
KExternalErrors::dieGracefully();
}
if (kConf::hasParam('serve_flavor_allowed_partners') && !in_array($flavorAsset->getPartnerId(), kConf::get('serve_flavor_allowed_partners'))) {
KExternalErrors::dieError(KExternalErrors::ACTION_BLOCKED);
}
if (!kFileSyncUtils::file_exists($syncKey, false)) {
list($fileSync, $local) = kFileSyncUtils::getReadyFileSyncForKey($syncKey, true, false);
if (is_null($fileSync)) {
KalturaLog::log("Error - no FileSync for flavor [" . $flavorAsset->getId() . "]");
KExternalErrors::dieError(KExternalErrors::FILE_NOT_FOUND);
}
// always dump remote urls so they will be cached by the cdn transparently
$remoteUrl = kDataCenterMgr::getRedirectExternalUrl($fileSync);
kFileUtils::dumpUrl($remoteUrl);
}
$path = kFileSyncUtils::getReadyLocalFilePathForKey($syncKey);
$isFlv = false;
if (!$shouldProxy) {
$flvWrapper = new myFlvHandler($path);
$isFlv = $flvWrapper->isFlv();
}
$clipFrom = $this->getRequestParameter("clipFrom", 0);
// milliseconds
if (is_null($clipTo)) {
$clipTo = $this->getRequestParameter("clipTo", self::NO_CLIP_TO);
}
// milliseconds
if ($clipTo == 0) {
$clipTo = self::NO_CLIP_TO;
}
if (!is_numeric($clipTo) || $clipTo < 0) {
KExternalErrors::dieError(KExternalErrors::BAD_QUERY, 'clipTo must be a positive number');
}
$seekFrom = $this->getRequestParameter("seekFrom", -1);
if ($seekFrom <= 0) {
$seekFrom = -1;
}
$seekFromBytes = $this->getRequestParameter("seekFromBytes", -1);
if ($seekFromBytes <= 0) {
$seekFromBytes = -1;
}
if ($fileParam && is_dir($path)) {
$path .= "/{$fileParam}";
kFileUtils::dumpFile($path, null, null);
KExternalErrors::dieGracefully();
} else {
if (!$isFlv || $clipTo == self::NO_CLIP_TO && $seekFrom < 0 && $seekFromBytes < 0) {
$limit_file_size = 0;
if ($clipTo != self::NO_CLIP_TO) {
if (strtolower($flavorAsset->getFileExt()) == 'mp4' && PermissionPeer::isValidForPartner(PermissionName::FEATURE_ACCURATE_SERVE_CLIPPING, $flavorAsset->getPartnerId())) {
$contentPath = myContentStorage::getFSContentRootPath();
$tempClipName = $version . '_' . $clipTo . '.mp4';
$tempClipPath = $contentPath . myContentStorage::getGeneralEntityPath("entry/tempclip", $flavorAsset->getIntId(), $flavorAsset->getId(), $tempClipName);
if (!file_exists($tempClipPath)) {
kFile::fullMkdir($tempClipPath);
$clipToSec = round($clipTo / 1000, 3);
$cmdLine = kConf::get("bin_path_ffmpeg") . " -i {$path} -vcodec copy -acodec copy -f mp4 -t {$clipToSec} -y {$tempClipPath} 2>&1";
KalturaLog::log("Executing {$cmdLine}");
$output = array();
$return_value = "";
exec($cmdLine, $output, $return_value);
KalturaLog::log("ffmpeg returned {$return_value}, output:" . implode("\n", $output));
}
if (file_exists($tempClipPath)) {
KalturaLog::log("Dumping {$tempClipPath}");
kFileUtils::dumpFile($tempClipPath);
} else {
KalturaLog::err('Failed to clip the file using ffmpeg, falling back to rough clipping');
}
}
$mediaInfo = mediaInfoPeer::retrieveByFlavorAssetId($flavorAsset->getId());
if ($mediaInfo && ($mediaInfo->getVideoDuration() || $mediaInfo->getAudioDuration() || $mediaInfo->getContainerDuration())) {
$duration = $mediaInfo->getVideoDuration() ? $mediaInfo->getVideoDuration() : ($mediaInfo->getAudioDuration() ? $mediaInfo->getAudioDuration() : $mediaInfo->getContainerDuration());
$limit_file_size = floor(@kFile::fileSize($path) * ($clipTo / $duration) * 1.2);
}
}
$renderer = kFileUtils::getDumpFileRenderer($path, null, null, $limit_file_size);
if (!$fileName) {
$this->storeCache($renderer, $flavorAsset->getPartnerId());
}
$renderer->output();
KExternalErrors::dieGracefully();
}
}
$audioOnly = $this->getRequestParameter("audioOnly");
// milliseconds
if ($audioOnly === '0') {
// audioOnly was explicitly set to 0 - don't attempt to make further automatic investigations
} elseif ($flvWrapper->getFirstVideoTimestamp() < 0) {
$audioOnly = true;
}
$bytes = 0;
if ($seekFrom !== -1 && $seekFrom !== 0) {
list($bytes, $duration, $firstTagByte, $toByte) = $flvWrapper->clip(0, -1, $audioOnly);
list($bytes, $duration, $fromByte, $toByte, $seekFromTimestamp) = $flvWrapper->clip($seekFrom, -1, $audioOnly);
$seekFromBytes = myFlvHandler::FLV_HEADER_SIZE + $flvWrapper->getMetadataSize($audioOnly) + $fromByte - $firstTagByte;
} else {
list($bytes, $duration, $fromByte, $toByte, $fromTs, $cuepointPos) = myFlvStaticHandler::clip($path, $clipFrom, $clipTo, $audioOnly);
}
$metadataSize = $flvWrapper->getMetadataSize($audioOnly);
$dataOffset = $metadataSize + myFlvHandler::getHeaderSize();
$totalLength = $dataOffset + $bytes;
list($bytes, $duration, $fromByte, $toByte, $fromTs, $cuepointPos) = myFlvStaticHandler::clip($path, $clipFrom, $clipTo, $audioOnly);
list($rangeFrom, $rangeTo, $rangeLength) = requestUtils::handleRangeRequest($totalLength);
if ($totalLength < 1000) {
// (actually $total_length is probably 13 or 143 - header + empty metadata tag) probably a bad flv maybe only the header - dont cache
requestUtils::sendCdnHeaders("flv", $rangeLength, 0);
} else {
requestUtils::sendCdnHeaders("flv", $rangeLength);
}
// dont inject cuepoint into the stream
$cuepointTime = 0;
$cuepointPos = 0;
try {
Propel::close();
} catch (Exception $e) {
$this->logMessage("serveFlavor: error closing db {$e}");
}
header("Content-Type: video/x-flv");
$flvWrapper->dump(self::CHUNK_SIZE, $fromByte, $toByte, $audioOnly, $seekFromBytes, $rangeFrom, $rangeTo, $cuepointTime, $cuepointPos);
KExternalErrors::dieGracefully();
}
public function execute()
{
requestUtils::handleConditionalGet();
$entry_id = $this->getRequestParameter("entry_id");
$ks_str = $this->getRequestParameter("ks");
$base64_referrer = $this->getRequestParameter("referrer");
$referrer = base64_decode($base64_referrer);
if (!is_string($referrer)) {
// base64_decode can return binary data
$referrer = "";
}
$clip_from = $this->getRequestParameter("clip_from", 0);
// milliseconds
$clip_to = $this->getRequestParameter("clip_to", 2147483647);
// milliseconds
if ($clip_to == 0) {
$clip_to = 2147483647;
}
$request = $_SERVER["REQUEST_URI"];
// remove dynamic fields from the url so we'll request a single url from the cdn
$request = str_replace("/referrer/{$base64_referrer}", "", $request);
$request = str_replace("/ks/{$ks_str}", "", $request);
// workaround the filter which hides all the deleted entries -
// now that deleted entries are part of xmls (they simply point to the 'deleted' templates), we should allow them here
$entry = entryPeer::retrieveByPKNoFilter($entry_id);
if (!$entry) {
KExternalErrors::dieError(KExternalErrors::ENTRY_NOT_FOUND);
}
myPartnerUtils::blockInactivePartner($entry->getPartnerId());
// set the memory size to be able to serve big files in a single chunk
ini_set("memory_limit", "64M");
// set the execution time to be able to serve big files in a single chunk
ini_set("max_execution_time", 240);
if ($entry->getType() == entryType::MIX && $entry->getStatus() == entryStatus::DELETED) {
// because the fiter was turned off - a manual check for deleted entries must be done.
die;
} else {
if ($entry->getMediaType() == entry::ENTRY_MEDIA_TYPE_IMAGE) {
$version = $this->getRequestParameter("version", null);
$width = $this->getRequestParameter("width", -1);
$height = $this->getRequestParameter("height", -1);
$crop_provider = $this->getRequestParameter("crop_provider", null);
$bgcolor = $this->getRequestParameter("bgcolor", "ffffff");
$type = $this->getRequestParameter("type", 1);
$quality = $this->getRequestParameter("quality", 0);
$src_x = $this->getRequestParameter("src_x", 0);
$src_y = $this->getRequestParameter("src_y", 0);
$src_w = $this->getRequestParameter("src_w", 0);
$src_h = $this->getRequestParameter("src_h", 0);
$vid_sec = $this->getRequestParameter("vid_sec", -1);
$vid_slice = $this->getRequestParameter("vid_slice", -1);
$vid_slices = $this->getRequestParameter("vid_slices", -1);
if ($width == -1 && $height == -1) {
$width = 640;
$height = 480;
} else {
if ($width == -1) {
// if only either width or height is missing reset them to zero, and convertImage will handle them
$width = 0;
} else {
if ($height == -1) {
$height = 0;
}
}
}
$tempThumbPath = myEntryUtils::resizeEntryImage($entry, $version, $width, $height, $type, $bgcolor, $crop_provider, $quality, $src_x, $src_y, $src_w, $src_h, $vid_sec, $vid_slice, $vid_slices);
kFile::dumpFile($tempThumbPath, null, strpos($tempThumbPath, "_NOCACHE_") === false ? null : 0);
}
}
$audio_only = $this->getRequestParameter("audio_only");
// milliseconds
$flavor = $this->getRequestParameter("flavor", 1);
//
$flavor_param_id = $this->getRequestParameter("flavor_param_id", null);
//
$streamer = $this->getRequestParameter("streamer");
//
if (substr($streamer, 0, 4) == "rtmp") {
// the fms may add .mp4 to the end of the url
$streamer = "rtmp";
}
// grab seek_from_bytes parameter and normalize url
$seek_from_bytes = $this->getRequestParameter("seek_from_bytes", -1);
$request = str_replace("/seek_from_bytes/{$seek_from_bytes}", "", $request);
if ($seek_from_bytes <= 0) {
$seek_from_bytes = -1;
}
// grab seek_from parameter and normalize url
$seek_from = $this->getRequestParameter("seek_from", -1);
$request = str_replace("/seek_from/{$seek_from}", "", $request);
if ($seek_from <= 0) {
$seek_from = -1;
}
$this->dump_from_byte = 0;
// reset accurate seek from timestamp
$seek_from_timestamp = -1;
// backward compatibility
if ($flavor === "0") {
// for edit version
$flavor = "edit";
}
if ($flavor === "1" || $flavor === 1) {
// for play version
$flavor = null;
}
// when flavor is null, we will get a default flavor
if ($flavor == "edit") {
$flavorAsset = flavorAssetPeer::retrieveBestEditByEntryId($entry->getId());
} elseif (!is_null($flavor)) {
$flavorAsset = flavorAssetPeer::retrieveById($flavor);
// when specific asset was request, we don't validate its tags
if ($flavorAsset && ($flavorAsset->getEntryId() != $entry->getId() || $flavorAsset->getStatus() != flavorAsset::FLAVOR_ASSET_STATUS_READY)) {
$flavorAsset = null;
}
// we will throw an error later
} elseif (is_null($flavor) && !is_null($flavor_param_id)) {
$flavorAsset = flavorAssetPeer::retrieveByEntryIdAndFlavorParams($entry->getId(), $flavor_param_id);
if ($flavorAsset && $flavorAsset->getStatus() != flavorAsset::FLAVOR_ASSET_STATUS_READY) {
$flavorAsset = null;
}
// we will throw an error later
} else {
if ($entry->getSource() == entry::ENTRY_MEDIA_SOURCE_WEBCAM) {
$flavorAsset = flavorAssetPeer::retrieveOriginalByEntryId($entry->getId());
} else {
$flavorAsset = flavorAssetPeer::retrieveBestPlayByEntryId($entry->getId());
}
if (!$flavorAsset) {
$flavorAssets = flavorAssetPeer::retreiveReadyByEntryIdAndTag($entry->getId(), flavorParams::TAG_WEB);
if (count($flavorAssets) > 0) {
$flavorAsset = $flavorAssets[0];
}
}
}
if (is_null($flavorAsset)) {
KExternalErrors::dieError(KExternalErrors::FLAVOR_NOT_FOUND);
}
$syncKey = $flavorAsset->getSyncKey(flavorAsset::FILE_SYNC_FLAVOR_ASSET_SUB_TYPE_ASSET);
if (kFileSyncUtils::file_exists($syncKey, false)) {
$path = kFileSyncUtils::getReadyLocalFilePathForKey($syncKey);
} else {
list($fileSync, $local) = kFileSyncUtils::getReadyFileSyncForKey($syncKey, true, false);
if (is_null($fileSync)) {
KalturaLog::log("Error - no FileSync for flavor [" . $flavorAsset->getId() . "]");
KExternalErrors::dieError(KExternalErrors::FILE_NOT_FOUND);
}
$remoteUrl = kDataCenterMgr::getRedirectExternalUrl($fileSync);
$this->redirect($remoteUrl);
}
$flv_wrapper = new myFlvHandler($path);
$isFlv = $flv_wrapper->isFlv();
// scrubbing is not allowed within mp4 files
if (!$isFlv) {
$seek_from = $seek_from_bytes = -1;
}
if ($seek_from !== -1 && $seek_from !== 0) {
if ($audio_only === '0') {
// audio_only was explicitly set to 0 - don't attempt to make further automatic investigations
} elseif ($flv_wrapper->getFirstVideoTimestamp() < 0) {
$audio_only = true;
}
list($bytes, $duration, $first_tag_byte, $to_byte) = $flv_wrapper->clip(0, -1, $audio_only);
list($bytes, $duration, $from_byte, $to_byte, $seek_from_timestamp) = $flv_wrapper->clip($seek_from, -1, $audio_only);
$seek_from_bytes = myFlvHandler::FLV_HEADER_SIZE + $flv_wrapper->getMetadataSize($audio_only) + $from_byte - $first_tag_byte;
}
// the direct path without a cdn is "http://s3kaltura.s3.amazonaws.com".$entry->getDataPath();
$extStorageUrl = $entry->getExtStorageUrl();
if ($extStorageUrl && substr_count($extStorageUrl, 's3kaltura')) {
// if for some reason we didnt set our accurate $seek_from_timestamp reset it to the requested seek_from
if ($seek_from_timestamp == -1) {
$seek_from_timestamp = $seek_from;
}
$request_host = parse_url($extStorageUrl, PHP_URL_HOST);
$akamai_url = str_replace($request_host, "cdns3akmi.kaltura.com", $extStorageUrl);
$akamai_url .= $seek_from_bytes == -1 ? "" : "?aktimeoffset=" . floor($seek_from_timestamp / 1000);
header("Location: {$akamai_url}");
die;
} elseif ($extStorageUrl) {
// if for some reason we didnt set our accurate $seek_from_timestamp reset it to the requested seek_from
if ($seek_from_timestamp == -1) {
$seek_from_timestamp = $seek_from;
}
$extStorageUrl .= $seek_from_bytes == -1 ? "" : "?aktimeoffset=" . floor($seek_from_timestamp / 1000);
header("Location: {$extStorageUrl}");
die;
}
// use headers to detect cdn
$cdn_name = "";
$via_header = @$_SERVER["HTTP_VIA"];
if (strpos($via_header, "llnw.net") !== false) {
$cdn_name = "limelight";
} else {
if (strpos($via_header, "akamai") !== false) {
$cdn_name = "akamai";
} else {
if (strpos($via_header, "Level3") !== false) {
$cdn_name = "level3";
}
}
}
// setting file extension - first trying frrom flavor asset
$ext = $flavorAsset->getFileExt();
// if failed, set extension according to file type (isFlv)
if (!$ext) {
$ext = $isFlv ? "flv" : "mp4";
}
$flv_extension = $streamer == "rtmp" ? "?" : "/a.{$ext}?novar=0";
// dont check for rtmp / and for an already redirect url
if ($streamer != "rtmp" && strpos($request, $flv_extension) === false) {
// check security using ks
$securyEntryHelper = new KSecureEntryHelper($entry, $ks_str, $referrer);
if ($securyEntryHelper->shouldPreview()) {
$this->checkForPreview($securyEntryHelper, $clip_to);
} else {
$securyEntryHelper->validateForPlay($entry, $ks_str);
}
} else {
// if needs security check using cdn authentication mechanism
// for now assume this is a cdn request and don't check for security
}
// use limelight mediavault if either security policy requires it or if we're trying to seek within the video
if ($entry->getSecurityPolicy() || $seek_from_bytes !== -1) {
// we have three options:
// arrived through limelight mediavault url - the url is secured
// arrived directly through limelight (not secured through mediavault) - enforce ks and redirect to mediavault url
// didnt use limelight - enforce ks
// the cdns are configured to authenticate request for /s/....
// check if we're already in a redirected secure link using the "/s/" prefix
$secure_request = substr($request, 0, 3) == "/s/";
if ($secure_request && ($cdn_name == "limelight" || $cdn_name == "level3")) {
// request was validated by cdn let it through
} else {
// extract ks
$ks_str = $this->getRequestParameter("ks", "");
if ($entry->getSecurityPolicy()) {
if (!$ks_str) {
$this->logMessage("flvclipper - no KS");
die;
}
$ks = kSessionUtils::crackKs($ks_str);
if (!$ks) {
$this->logMessage("flvclipper - invalid ks [{$ks_str}]");
die;
}
$matched_privs = $ks->verifyPrivileges("sview", $entry_id);
$this->logMessage("flvclipper - verifyPrivileges name [sview], priv [{$entry_id}] [{$matched_privs}]");
if (!$matched_privs) {
$this->logMessage("flvclipper - doesnt not match required privlieges [{$ks_str}]");
die;
}
}
if ($cdn_name == "limelight") {
$ll_url = requestUtils::getCdnHost() . "/s{$request}" . $flv_extension;
$secret = kConf::get("limelight_madiavault_password");
$expire = "&e=" . (time() + 120);
$ll_url .= $expire;
$fs = $seek_from_bytes == -1 ? "" : "&fs={$seek_from_bytes}";
$ll_url .= "&h=" . md5("{$secret}{$ll_url}") . $fs;
//header("Location: $ll_url");
$this->redirect($ll_url);
} else {
if ($cdn_name == "level3") {
$level3_url = $request . $flv_extension;
if ($entry->getSecurityPolicy()) {
$level3_url = "/s{$level3_url}";
// set expire time in GMT hence the date("Z") offset
$expire = "&nva=" . strftime("%Y%m%d%H%M%S", time() - date("Z") + 30);
$level3_url .= $expire;
$secret = kConf::get("level3_authentication_key");
$hash = "0" . substr(self::hmac('sha1', $secret, $level3_url), 0, 20);
$level3_url .= "&h={$hash}";
}
$level3_url .= $seek_from_bytes == -1 ? "" : "&start={$seek_from_bytes}";
header("Location: {$level3_url}");
die;
} else {
if ($cdn_name == "akamai") {
$akamai_url = $request . $flv_extension;
// if for some reason we didnt set our accurate $seek_from_timestamp reset it to the requested seek_from
if ($seek_from_timestamp == -1) {
$seek_from_timestamp = $seek_from;
}
$akamai_url .= $seek_from_bytes == -1 ? "" : "&aktimeoffset=" . floor($seek_from_timestamp / 1000);
header("Location: {$akamai_url}");
die;
}
}
}
// a seek request without a supporting cdn - we need to send the answer from our server
if ($seek_from_bytes !== -1 && $via_header === null) {
$this->dump_from_byte = $seek_from_bytes;
}
}
}
// always add the file suffix to the request (needed for scrubbing by some cdns,
// and also breaks without extension on some corporate antivirus).
// we add the the novar paramter since a leaving a trailing "?" will be trimmed
// and then the /seek_from request will result in another url which level3
// will try to refetch from the origin
// note that for streamer we dont add the file extension
if ($streamer != "rtmp" && strpos($request, $flv_extension) === false) {
// a seek request without a supporting cdn - we need to send the answer from our server
if ($seek_from_bytes !== -1 && $via_header === null) {
$request .= "/seek_from_bytes/{$seek_from_bytes}";
}
requestUtils::sendCdnHeaders("flv", 0);
header("Location: {$request}" . $flv_extension);
die;
}
// mp4
if (!$isFlv) {
kFile::dumpFile($path);
}
$this->logMessage("flvclipperAction: serving file [{$path}] entry_id [{$entry_id}] clip_from [{$clip_from}] clip_to [{$clip_to}]", "warning");
if ($audio_only === '0') {
// audio_only was explicitly set to 0 - don't attempt to make further automatic investigations
} elseif ($flv_wrapper->getFirstVideoTimestamp() < 0) {
$audio_only = true;
}
//$start = microtime(true);
list($bytes, $duration, $from_byte, $to_byte, $from_ts, $cuepoint_pos) = myFlvStaticHandler::clip($path, $clip_from, $clip_to, $audio_only);
$metadata_size = $flv_wrapper->getMetadataSize($audio_only);
$this->from_byte = $from_byte;
$this->to_byte = $to_byte;
//$end1 = microtime(true);
//$this->logMessage( "flvclipperAction: serving file [$path] entry_id [$entry_id] bytes [$bytes] duration [$duration] [$from_byte]->[$to_byte]" , "warning" );
//$this->logMessage( "flvclipperAction: serving file [$path] t1 [" . ( $end1-$start) . "]");
$data_offset = $metadata_size + myFlvHandler::getHeaderSize();
// if we're returning a partial file adjust the total size:
// substract the metadata and bytes which are not delivered
if ($this->dump_from_byte >= $data_offset && !$audio_only) {
$bytes -= $metadata_size + max(0, $this->dump_from_byte - $data_offset);
}
$this->total_length = $data_offset + $bytes;
//echo " $bytes , $duration ,$from_byte , $to_byte, $cuepoint_pos\n"; die;
$this->cuepoint_time = 0;
$this->cuepoint_pos = 0;
if ($streamer == "chunked" && $clip_to != 2147483647) {
$this->cuepoint_time = $clip_to - 1;
$this->cuepoint_pos = $cuepoint_pos;
$this->total_length += myFlvHandler::CUEPOINT_TAG_SIZE;
}
//$this->logMessage( "flvclipperAction: serving file [$path] entry_id [$entry_id] bytes with header & md [" . $this->total_length . "] bytes [$bytes] duration [$duration] [$from_byte]->[$to_byte]" , "warning" );
$this->flv_wrapper = $flv_wrapper;
$this->audio_only = $audio_only;
try {
Propel::close();
} catch (Exception $e) {
$this->logMessage("flvclipperAction: error closing db {$e}");
}
return sfView::SUCCESS;
}