Initial import.

vendor/guzzle/http/Guzzle/Http/ReadLimitEntityBody.php

@@ -0,0 +1,106 @@
+<?php
+
+namespace Guzzle\Http;
+
+/**
+ * EntityBody decorator used to return only a subset of an entity body
+ */
+class ReadLimitEntityBody extends AbstractEntityBodyDecorator
+{
+    /** @var int Limit the number of bytes that can be read */
+    protected $limit;
+
+    /** @var int Offset to start reading from */
+    protected $offset;
+
+    /**
+     * @param EntityBodyInterface $body   Body to wrap
+     * @param int                 $limit  Total number of bytes to allow to be read from the stream
+     * @param int                 $offset Position to seek to before reading (only works on seekable streams)
+     */
+    public function __construct(EntityBodyInterface $body, $limit, $offset = 0)
+    {
+        parent::__construct($body);
+        $this->setLimit($limit)->setOffset($offset);
+    }
+
+    /**
+     * Returns only a subset of the decorated entity body when cast as a string
+     * {@inheritdoc}
+     */
+    public function __toString()
+    {
+        return substr((string) $this->body, $this->offset, $this->limit) ?: '';
+    }
+
+    public function isConsumed()
+    {
+        return $this->body->isConsumed() ||
+            ($this->body->ftell() >= $this->offset + $this->limit);
+    }
+
+    /**
+     * Returns the Content-Length of the limited subset of data
+     * {@inheritdoc}
+     */
+    public function getContentLength()
+    {
+        $length = $this->body->getContentLength();
+
+        return $length === false
+            ? $this->limit
+            : min($this->limit, min($length, $this->offset + $this->limit) - $this->offset);
+    }
+
+    /**
+     * Allow for a bounded seek on the read limited entity body
+     * {@inheritdoc}
+     */
+    public function seek($offset, $whence = SEEK_SET)
+    {
+        return $whence === SEEK_SET
+            ? $this->body->seek(max($this->offset, min($this->offset + $this->limit, $offset)))
+            : false;
+    }
+
+    /**
+     * Set the offset to start limiting from
+     *
+     * @param int $offset Offset to seek to and begin byte limiting from
+     *
+     * @return self
+     */
+    public function setOffset($offset)
+    {
+        $this->body->seek($offset);
+        $this->offset = $offset;
+
+        return $this;
+    }
+
+    /**
+     * Set the limit of bytes that the decorator allows to be read from the stream
+     *
+     * @param int $limit Total number of bytes to allow to be read from the stream
+     *
+     * @return self
+     */
+    public function setLimit($limit)
+    {
+        $this->limit = $limit;
+
+        return $this;
+    }
+
+    public function read($length)
+    {
+        // Check if the current position is less than the total allowed bytes + original offset
+        $remaining = ($this->offset + $this->limit) - $this->body->ftell();
+        if ($remaining > 0) {
+            // Only return the amount of requested data, ensuring that the byte limit is not exceeded
+            return $this->body->read(min($remaining, $length));
+        } else {
+            return false;
+        }
+    }
+}