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FileConduitAPIMethod.php
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Fri, Sep 6, 11:29

FileConduitAPIMethod.php
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<?php
abstract class FileConduitAPIMethod extends ConduitAPIMethod {
final public function getApplication() {
return PhabricatorApplication::getByClass('PhabricatorFilesApplication');
}
protected function loadFileByPHID(PhabricatorUser $viewer, $file_phid) {
$file = id(new PhabricatorFileQuery())
->setViewer($viewer)
->withPHIDs(array($file_phid))
->executeOne();
if (!$file) {
throw new Exception(pht('No such file "%s"!', $file_phid));
}
return $file;
}
protected function loadFileChunks(
PhabricatorUser $viewer,
PhabricatorFile $file) {
return $this->newChunkQuery($viewer, $file)
->execute();
}
protected function loadFileChunkForUpload(
PhabricatorUser $viewer,
PhabricatorFile $file,
$start,
$end) {
$start = (int)$start;
$end = (int)$end;
$chunks = $this->newChunkQuery($viewer, $file)
->withByteRange($start, $end)
->execute();
if (!$chunks) {
throw new Exception(
pht(
'There are no file data chunks in byte range %d - %d.',
$start,
$end));
}
if (count($chunks) !== 1) {
phlog($chunks);
throw new Exception(
pht(
'There are multiple chunks in byte range %d - %d.',
$start,
$end));
}
$chunk = head($chunks);
if ($chunk->getByteStart() != $start) {
throw new Exception(
pht(
'Chunk start byte is %d, not %d.',
$chunk->getByteStart(),
$start));
}
if ($chunk->getByteEnd() != $end) {
throw new Exception(
pht(
'Chunk end byte is %d, not %d.',
$chunk->getByteEnd(),
$end));
}
if ($chunk->getDataFilePHID()) {
throw new Exception(
pht(
'Chunk has already been uploaded.'));
}
return $chunk;
}
protected function decodeBase64($data) {
$data = base64_decode($data, $strict = true);
if ($data === false) {
throw new Exception(pht('Unable to decode base64 data!'));
}
return $data;
}
protected function loadAnyMissingChunk(
PhabricatorUser $viewer,
PhabricatorFile $file) {
return $this->newChunkQuery($viewer, $file)
->withIsComplete(false)
->setLimit(1)
->execute();
}
private function newChunkQuery(
PhabricatorUser $viewer,
PhabricatorFile $file) {
$engine = $file->instantiateStorageEngine();
if (!$engine->isChunkEngine()) {
throw new Exception(
pht(
'File "%s" does not have chunks!',
$file->getPHID()));
}
return id(new PhabricatorFileChunkQuery())
->setViewer($viewer)
->withChunkHandles(array($file->getStorageHandle()));
}
}

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