124 lines
4.6 KiB
PHP
124 lines
4.6 KiB
PHP
<?php
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namespace Psr\Http\Message;
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/**
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* Value object representing a file uploaded through an HTTP request.
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*
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* Instances of this interface are considered immutable; all methods that
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* might change state MUST be implemented such that they retain the internal
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* state of the current instance and return an instance that contains the
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* changed state.
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*/
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interface UploadedFileInterface
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{
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/**
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* Retrieve a stream representing the uploaded file.
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*
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* This method MUST return a StreamInterface instance, representing the
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* uploaded file. The purpose of this method is to allow utilizing native PHP
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* stream functionality to manipulate the file upload, such as
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* stream_copy_to_stream() (though the result will need to be decorated in a
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* native PHP stream wrapper to work with such functions).
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*
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* If the moveTo() method has been called previously, this method MUST raise
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* an exception.
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*
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* @return StreamInterface Stream representation of the uploaded file.
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* @throws \RuntimeException in cases when no stream is available or can be
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* created.
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*/
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public function getStream();
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/**
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* Move the uploaded file to a new location.
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*
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* Use this method as an alternative to move_uploaded_file(). This method is
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* guaranteed to work in both SAPI and non-SAPI environments.
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* Implementations must determine which environment they are in, and use the
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* appropriate method (move_uploaded_file(), rename(), or a stream
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* operation) to perform the operation.
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*
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* $targetPath may be an absolute path, or a relative path. If it is a
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* relative path, resolution should be the same as used by PHP's rename()
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* function.
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*
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* The original file or stream MUST be removed on completion.
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*
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* If this method is called more than once, any subsequent calls MUST raise
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* an exception.
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*
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* When used in an SAPI environment where $_FILES is populated, when writing
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* files via moveTo(), is_uploaded_file() and move_uploaded_file() SHOULD be
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* used to ensure permissions and upload status are verified correctly.
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*
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* If you wish to move to a stream, use getStream(), as SAPI operations
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* cannot guarantee writing to stream destinations.
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*
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* @see http://php.net/is_uploaded_file
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* @see http://php.net/move_uploaded_file
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* @param string $targetPath Path to which to move the uploaded file.
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* @throws \InvalidArgumentException if the $targetPath specified is invalid.
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* @throws \RuntimeException on any error during the move operation, or on
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* the second or subsequent call to the method.
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*/
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public function moveTo($targetPath);
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/**
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* Retrieve the file size.
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*
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* Implementations SHOULD return the value stored in the "size" key of
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* the file in the $_FILES array if available, as PHP calculates this based
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* on the actual size transmitted.
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*
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* @return int|null The file size in bytes or null if unknown.
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*/
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public function getSize();
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/**
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* Retrieve the error associated with the uploaded file.
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*
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* The return value MUST be one of PHP's UPLOAD_ERR_XXX constants.
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*
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* If the file was uploaded successfully, this method MUST return
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* UPLOAD_ERR_OK.
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*
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* Implementations SHOULD return the value stored in the "error" key of
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* the file in the $_FILES array.
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*
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* @see http://php.net/manual/en/features.file-upload.errors.php
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* @return int One of PHP's UPLOAD_ERR_XXX constants.
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*/
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public function getError();
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/**
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* Retrieve the filename sent by the client.
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*
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* Do not trust the value returned by this method. A client could send
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* a malicious filename with the intention to corrupt or hack your
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* application.
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*
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* Implementations SHOULD return the value stored in the "name" key of
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* the file in the $_FILES array.
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*
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* @return string|null The filename sent by the client or null if none
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* was provided.
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*/
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public function getClientFilename();
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/**
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* Retrieve the media type sent by the client.
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*
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* Do not trust the value returned by this method. A client could send
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* a malicious media type with the intention to corrupt or hack your
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* application.
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*
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* Implementations SHOULD return the value stored in the "type" key of
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* the file in the $_FILES array.
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*
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* @return string|null The media type sent by the client or null if none
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* was provided.
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*/
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public function getClientMediaType();
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}
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