/**
* @return resource
*/
public function getContentsAsStream()
{
if (!$this->stream) {
$this->stream = $this->buildRequest()->send()->getBody(false);
}
return $this->stream->getStream();
}
protected function addExpectHeader(EntityEnclosingRequestInterface $request, EntityBodyInterface $body, $expect)
{
if ($expect === false) {
$request->removeHeader('Expect');
} elseif ($expect !== true) {
$expect = $expect ?: 1048576;
if (is_numeric($expect) && $body->getSize()) {
if ($body->getSize() < $expect) {
$request->removeHeader('Expect');
} else {
$request->setHeader('Expect', '100-Continue');
}
}
}
}
/**
* Add the appropriate expect header to a request
*
* @param EntityEnclosingRequestInterface $request Request to update
* @param EntityBodyInterface $body Entity body of the request
* @param string|int $expect Expect header setting
*/
protected function addExpectHeader(EntityEnclosingRequestInterface $request, EntityBodyInterface $body, $expect)
{
// Allow the `expect` data parameter to be set to remove the Expect header from the request
if ($expect === false) {
$request->removeHeader('Expect');
} elseif ($expect !== true) {
// Default to using a MB as the point in which to start using the expect header
$expect = $expect ?: 1048576;
// If the expect_header value is numeric then only add if the size is greater than the cutoff
if (is_numeric($expect) && $body->getSize()) {
if ($body->getSize() < $expect) {
$request->removeHeader('Expect');
} else {
$request->setHeader('Expect', '100-Continue');
}
}
}
}
/**
* @return array|null
*/
protected function getLineData()
{
$line = $this->body->readLine();
if (is_string($line)) {
return json_decode($line, JSON_OBJECT_AS_ARRAY);
} else {
return null;
}
}
/**
* Set the size that the entity body of the request must exceed before adding the Expect: 100-Continue header.
*
* @param int|bool $size Cutoff in bytes. Set to false to never send the expect header (even with non-seekable data)
*
* @return self
*/
public function setExpectHeaderCutoff($size)
{
$this->expectCutoff = $size;
if ($size === false || !$this->body) {
$this->removeHeader('Expect');
} elseif ($this->body && $this->body->getSize() && $this->body->getSize() > $size) {
$this->setHeader('Expect', '100-Continue');
}
return $this;
}
/**
* {@inheritdoc}
*/
public function setBody($body, $contentType = null, $tryChunkedTransfer = false)
{
$this->body = EntityBody::factory($body);
$this->removeHeader('Content-Length');
$this->setHeader('Expect', '100-Continue');
if ($contentType) {
$this->setHeader('Content-Type', (string) $contentType);
}
if ($tryChunkedTransfer) {
$this->setHeader('Transfer-Encoding', 'chunked');
} else {
$this->removeHeader('Transfer-Encoding');
// Set the Content-Length header if it can be determined
$size = $this->body->getContentLength();
if ($size !== null && $size !== false) {
$this->setHeader('Content-Length', $size);
} elseif ('1.1' == $this->protocolVersion) {
$this->setHeader('Transfer-Encoding', 'chunked');
} else {
throw new RequestException('Cannot determine Content-Length and cannot use chunked Transfer-Encoding when using HTTP/1.0');
}
}
return $this;
}
private function readPart(EntityBodyInterface $body, $max = Size::MB)
{
return $body->read(min($this->partSize, $max));
}
public static function calculateMd5(EntityBodyInterface $body, $rawOutput = false, $base64Encode = false)
{
Version::warn(__CLASS__ . ' is deprecated. Use getContentMd5()');
return $body->getContentMd5($rawOutput, $base64Encode);
}
/**
* Create a cache key for a response's body
*
* @param string $url URL of the entry
* @param EntityBodyInterface $body Response body
*
* @return string
*/
protected function getBodyKey($url, EntityBodyInterface $body)
{
return $this->keyPrefix . md5($url) . $body->getContentMd5();
}
/**
* Performs the work of reading the body stream, creating tree hashes, and creating UploadPartContext objects
*
* @param EntityBodyInterface $body The body to create parts from
*/
protected function generateUploadParts(EntityBodyInterface $body)
{
// Rewind the body stream
$body->seek(0);
// Initialize variables for tracking data for upload
$uploadContext = new UploadPartContext($this->partSize, $body->ftell());
// Read the data from the streamed body in 1MB chunks
while ($data = $body->read(min($this->partSize, Size::MB))) {
// Add data to the hashes and size calculations
$uploadContext->addData($data);
// If the upload part is complete, generate an upload object and reset the currently tracked upload data
if ($uploadContext->isFull()) {
$this->updateTotals($uploadContext->generatePart());
$uploadContext = new UploadPartContext($this->partSize, $body->ftell());
}
}
// Handle any leftover data
if (!$uploadContext->isEmpty()) {
$this->updateTotals($uploadContext->generatePart());
}
// Rewind the body stream
$body->seek(0);
}
