Initial commit

This commit is contained in:
Christopher Vagnetoft
2026-04-02 22:29:35 +02:00
commit 62a1167055
31 changed files with 3759 additions and 0 deletions

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/vendor/
/.phpunit.*

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Everyone is permitted to copy and distribute verbatim copies of this license
document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your freedom to share
and change it. By contrast, the GNU General Public License is intended to
guarantee your freedom to share and change free software--to make sure the
software is free for all its users. This General Public License applies to most
of the Free Software Foundation's software and to any other program whose
authors commit to using it. (Some other Free Software Foundation software is
covered by the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not price. Our
General Public Licenses are designed to make sure that you have the freedom to
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that you receive source code or can get it if you want it, that you can change
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do these things.
To protect your rights, we need to make restrictions that forbid anyone to deny
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For example, if you distribute copies of such a program, whether gratis or for a
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We protect your rights with two steps: (1) copyright the software, and (2) offer
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The precise terms and conditions for copying, distribution and modification
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains a notice
placed by the copyright holder saying it may be distributed under the terms of
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1. You may copy and distribute verbatim copies of the Program's source code as
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These requirements apply to the modified work as a whole. If identifiable
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Our decision will be guided by the two goals of preserving the free status of
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NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE
PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED
IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS
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ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
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ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE
PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL,
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TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF
THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest possible use
to the public, the best way to achieve this is to make it free software which
everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach
them to the start of each source file to most effectively convey the exclusion
of warranty; and each file should have at least the "copyright" line and a
pointer to where the full notice is found.
one line to give the program's name and an idea of what it does. Copyright
(C) yyyy name of author
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option) any
later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Also add information
on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this when it
starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author Gnomovision comes
with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software,
and you are welcome to redistribute it under certain conditions; type `show c'
for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may be
called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your school,
if any, to sign a "copyright disclaimer" for the program, if necessary. Here is
a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
signature of Ty Coon, 1 April 1989 Ty Coon, President of Vice

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# Protocol Base for ReactPHP
Use this library to build protocols. It doesn't do any single protocol to any greater
extent, but it provides callbacks and scaffolding for you to build and stream most
protocol data.
## About the protocols
This library is intended to be generic, so only protocols that have no external
dependencies will be included.
## Using
### Protocols
```php
// Basic line-oriented protocol, think shell or SMTP
$proto = new LineProtocol($stream, [
'lineSeparator' => "\n",
'fieldSeparator' => " ",
'fieldQuote' => '"',
]);
// encode your frames and send it however you desire
$data = $proto->packFrame([ "mv", "foo.txt", "bar.txt" ]);
// → mv foo.txt bar.txt\n
// Or use JSON if you so desire
$proto = new JsonProtocol($stream, [
'frameSeparator' => "\0",
]);
$data = $proto->packFrame([ 'foo' => 'bar' ]);
// → {"foo":"bar"}\0
```
Unpacking works as expected:
```php
$proto = new LineProtocol($stream, [
'lineSeparator' => "\n",
'fieldSeparator' => " ",
'fieldQuote' => '"',
]);
// encode your frames and send it however you desire
$cmdline = $proto->unpackFrame("mv foo.txt bar.txt\n" ]);
// → [ "mv", "foo.txt", "bar.txt" ]
```
### Protocols with ProtocolStream
ProtocolStream combines a ProtocolInterface and a DuplexStreamInterface into
one package. It will emit an `message` event when a new frame has been
decoded, an `error` event if something goes wrong, and an `overflow` event
if the buffer overflows a configured max size.
```php
$stream = new ProtocolStream($proto, $someduplexstream);
$stream->on("message", function (array $message) {
// ...
});
$stream->send([ 'data' => 'here' ]);
```

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{
"name": "noccylabs/react-protocol",
"description": "Generic wire protocols for ReactPHP applications",
"type": "library",
"license": "GPL-2.0-or-later",
"autoload": {
"psr-4": {
"NoccyLabs\\React\\Protocol\\": "src/"
}
},
"authors": [
{
"name": "Christopher Vagnetoft",
"email": "labs@noccy.com"
}
],
"require": {
"react/stream": "^1.4"
},
"require-dev": {
"phpunit/phpunit": "^13.0",
"phpstan/phpstan": "^2.1"
}
}

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# JSON Protocols
The JSON protocol simply serializes
## Available sub-formats
### JsonRpcProtocol
### NativeMessagingProtocol

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# PHP pack/unpack reference
| Code | Description |
| ---- | ------------------------------------------------------------ |
| a | NUL-padded string |
| A | SPACE-padded string |
| h | Hex string, low nibble first |
| H | Hex string, high nibble first |
| c | signed char |
| C | unsigned char |
| s | signed short (always 16 bit, machine byte order) |
| S | unsigned short (always 16 bit, machine byte order) |
| n | unsigned short (always 16 bit, big endian byte order) |
| v | unsigned short (always 16 bit, little endian byte order) |
| i | signed integer (machine dependent size and byte order) |
| I | unsigned integer (machine dependent size and byte order) |
| l | signed long (always 32 bit, machine byte order) |
| L | unsigned long (always 32 bit, machine byte order) |
| N | unsigned long (always 32 bit, big endian byte order) |
| V | unsigned long (always 32 bit, little endian byte order) |
| q | signed long long (always 64 bit, machine byte order) |
| Q | unsigned long long (always 64 bit, machine byte order) |
| J | unsigned long long (always 64 bit, big endian byte order) |
| P | unsigned long long (always 64 bit, little endian byte order) |
| f | float (machine dependent size and representation) |
| g | float (machine dependent size, little endian byte order) |
| G | float (machine dependent size, big endian byte order) |
| d | double (machine dependent size and representation) |
| e | double (machine dependent size, little endian byte order) |
| E | double (machine dependent size, big endian byte order) |
| x | NUL byte |
| X | Back up one byte |
| Z | NUL-terminated (ASCIIZ) string, will be NUL padded |
| @ | NUL-fill to absolute position |

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# Recipes
These are some suggestions and ideas for when building your own protocols using the
various protocol classes.
## Marshalling objects
You can use the beforePackCb and afterUnpackCb to serialize and unserialize parameters
as desired. Consider the security implications of this before you do anything stupid
though, as a spoofed frame could have unexpected consequences when unserialized.
```php
$proto = new JsonProtocol(
beforePackCb: function (array $frame): array {
$frame['obj'] = serialize($frame['obj']);
return $frame;
},
afterUnpackCb: function (array $frame): array {
$frame['obj'] = unserialize($frame['obj]);
return $frame;
},
);
```
## Building line-based messages
By using the `beforePackCb` callback, you can take messages in a structured format
and return them as a list for line-based protocols. You can do the same in reverse
with the `afterUnpackCb` callback.
```php
$proto = new LineProtocol(
beforePackCb: function (array $frame): array {
switch ($frame['cmd']) {
case 'search':
return [ "search", $frame['query'] ];
// ..
}
},
afterUnpackCb: function (array $frame): array {
switch ($frame[0]) {
case 'search':
return [ 'cmd' => $frame[0], 'query' => $frame[1] ];
// ..
}
}
)
```

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# Text/Line Protocols
## Available sub-protocols
### HttpLikeProtocol
This is as the name says a HTTP-like parser. It can be used for HTTP, STOMP
and more. All messages are expected to follow the following style:
```text
query-line <$lineSeparator>
header-line* <$lineSeparator>
<$lineSeparator>
optional-body
```
Line separators default to `\n`, but can be set to any sequence or the value `true`
to attempt to automatically detect the endings used.
The presence of a body is determined by consulting the headers. The `$contentLengthHeader`
constructor parameter defaults to 'content-length', and can be set to null to disable parsing
of bodies entirely.
```php
$proto = new HttpLikeProtocol(
queryFormat: '{command} {path}',
lineSeparator: true,
)
```

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<?php
require_once __DIR__."/../vendor/autoload.php";
use NoccyLabs\React\Protocol\Json\JsonProtocol;
$proto = new JsonProtocol(
frameSeparator: "\n",
prependSizeBytes: 0,
);
echo $proto->packFrame([ 'hello'=>'world', 'answer'=>42 ]);

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<?php
require_once __DIR__."/../vendor/autoload.php";
use NoccyLabs\React\Protocol\Json\JsonProtocol;
use NoccyLabs\React\Protocol\ProtocolStream;
use React\Stream\CompositeStream;
use React\Stream\ThroughStream;
use React\Stream\WritableResourceStream;
$rs = new ThroughStream();
$ws = new WritableResourceStream(STDOUT);
$stream = new CompositeStream($rs,$ws);
$proto = new JsonProtocol(
frameSeparator: "\n",
prependSizeBytes: 0,
);
$stream = new ProtocolStream($stream, $proto);
$stream->send([ 'hello' => 'world' ]);
$stream->send([ 'foo' => 'bar', 'answer' => 42 ]);

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<?php
require_once __DIR__."/../vendor/autoload.php";
use NoccyLabs\React\Protocol\Line\LineProtocol;
$proto = new LineProtocol();
echo $proto->packFrame([ 'hello', 'world' ]);

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<?php
/**
* This example demonstrates upgrading a ProtocolStream to use a different protocol
* than initially configured with.
*
* Run the example and try entering some things such as:
* hello world
* foo "bar baz"
* and finally:
* upgrade
* After the upgrade command, it will only respond to JSON data:
* {"foo":"bar"}
*
*/
use NoccyLabs\React\Protocol\Json\JsonProtocol;
use NoccyLabs\React\Protocol\Line\LineProtocol;
use NoccyLabs\React\Protocol\ProtocolStream;
use React\Stream\CompositeStream;
use React\Stream\ReadableResourceStream;
use React\Stream\WritableResourceStream;
require_once __DIR__."/../vendor/autoload.php";
$stdin = new ReadableResourceStream(STDIN);
$stdout = new WritableResourceStream(STDOUT);
$stdio = new CompositeStream($stdin, $stdout);
$textProto = new LineProtocol(
beforePackCb: function (array $msg): array {
$out = [];
$cmd = array_shift($msg);
$out = [ $cmd, ...array_map("json_encode", $msg) ];
return $out;
}
);
$jsonProto = new JsonProtocol(
frameSeparator: "\n"
);
$stream = new ProtocolStream($stdio, $textProto);
$stream->on("message", function (array $msg) use ($stream, $jsonProto) {
if (array_is_list($msg)) {
if (reset($msg) == 'upgrade') {
$stream->send([ 'OK', 'Upgrading to JSON protocol']);
$stream->upgrade($jsonProto);
$stream->send([ 'info' => 'Now using JSON proto' ]);
} else {
$stream->send([ 'echo', json_encode($msg)]);
}
} else {
$stream->send([ 'echo' => $msg ]);
}
});

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parameters:
level: 5
paths:
- src

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<?xml version="1.0" encoding="UTF-8"?>
<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
bootstrap="vendor/autoload.php"
cacheDirectory=".phpunit.cache"
executionOrder="depends,defects"
requireCoverageMetadata="true"
beStrictAboutCoverageMetadata="true"
beStrictAboutOutputDuringTests="true"
displayDetailsOnPhpunitDeprecations="true"
failOnPhpunitDeprecation="true"
failOnRisky="true"
failOnWarning="true">
<testsuites>
<testsuite name="default">
<directory>tests</directory>
</testsuite>
</testsuites>
<source ignoreIndirectDeprecations="true" restrictNotices="true" restrictWarnings="true">
<include>
<directory>src</directory>
</include>
</source>
</phpunit>

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<?php
namespace NoccyLabs\React\Protocol\Binary;
use Closure;
use NoccyLabs\React\Protocol\ProtocolException;
use NoccyLabs\React\Protocol\ProtocolInterface;
class BinaryProtocol implements ProtocolInterface
{
public function __construct(
public readonly string $frameSeparator = "",
public readonly int $prependSizeBytes = 0,
public readonly string $prependSizeEndian = 'l',
public readonly ?string $compression = null,
private readonly ?Closure $beforePackCb = null,
private readonly ?Closure $afterPackCb = null,
private readonly ?Closure $beforeUnpackCb = null,
private readonly ?Closure $afterUnpackCb = null,
)
{
}
public function packFrame(array $frame): string
{
if (is_callable($this->beforePackCb))
$frame = call_user_func($this->beforePackCb, $frame);
$data = $frame['payload'];
// append separator
$data = $data . $this->frameSeparator;
// prepend size
if ($this->prependSizeBytes > 0) {
$data = $this->packSizeBytes(strlen($data)) . $data;
}
if (is_callable($this->afterPackCb))
$data = call_user_func($this->afterPackCb, $data);
return $data;
}
public function unpackFrame(string $data): array
{
if (is_callable($this->beforeUnpackCb))
$data = call_user_func($this->beforeUnpackCb, $data);
if ($this->prependSizeBytes > 0) {
if ($this->prependSizeBytes > strlen($data)) {
// not enough data to parse size...
throw new ProtocolException("BinaryProtocol: Not enough data to parse size");
}
$len = $this->unpackSizeBytes($data);
if ($len <= 0) {
// unparsable?
throw new ProtocolException("BinaryProtocol: Invalid size decoded from frame");
}
if ($len > strlen($data) - $this->prependSizeBytes) {
// insufficient data
throw new ProtocolException("BinaryProtocol: Insufficient data for unpacking (want {$len} but got ".(strlen($data)).")");
}
$data = substr($data, $this->prependSizeBytes);
}
if ($this->frameSeparator) {
$data = substr($data, 0, -strlen($this->frameSeparator));
}
$frame = [ 'payload' => $data ];
// echo "[{$data}]"; var_dump($frame);
if (!$frame) {
// invalid json
throw new ProtocolException("Unparsable frame received: {$data}");
}
if (is_callable($this->afterUnpackCb))
$frame = call_user_func($this->afterUnpackCb, $frame);
return $frame;
}
public function consumeFrame(string &$data): ?array
{
// check for $this->prependSizeBytes
if ($this->prependSizeBytes > 0) {
$len = $this->unpackSizeBytes($data);
// if size is greater than data (i.e. incomplete)
if ($len > strlen($data) - $this->prependSizeBytes) return null;
$p = $len;
// $data = substr($data, $this->prependSizeBytes);
} elseif ($this->frameSeparator) {
// check for $this->frameSeparator
$p = strpos($data, $this->frameSeparator);
if ($p === false) {
return null;
}
}
$frame = substr($data, 0, $p + strlen($this->frameSeparator) + $this->prependSizeBytes);
$data = substr($data, $p + strlen($this->frameSeparator) + $this->prependSizeBytes);
return $this->unpackFrame($frame);
}
public function packSizeBytes(int $size): string
{
$endian = function($b,$l,$s) {
return match ($this->prependSizeEndian) {
'b' => $b,
'l' => $l,
default => $s
};
};
return match ($this->prependSizeBytes) {
1 => pack($endian("C","C","C"), $size),
2 => pack($endian("n","v","S"), $size),
4 => pack($endian("N","V","L"), $size),
default => throw new ProtocolException("BinaryProtocol: Invalid message size length")
};
}
public function unpackSizeBytes(string $data): int
{
$bytes = substr($data, 0, $this->prependSizeBytes);
$endian = function($b,$l,$s) {
return match ($this->prependSizeEndian) {
'b' => $b,
'l' => $l,
default => $s
};
};
return match ($this->prependSizeBytes) {
1 => unpack($endian("C","C","C")."len", $bytes)['len'],
2 => unpack($endian("n","v","S")."len", $bytes)['len'],
4 => unpack($endian("N","V","L")."len", $bytes)['len'],
default => throw new ProtocolException("BinaryProtocol: Invalid message size length")
};
}
}

148
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<?php
namespace NoccyLabs\React\Protocol\Json;
use NoccyLabs\React\Protocol\ProtocolInterface;
use Closure;
use NoccyLabs\React\Protocol\ProtocolException;
use React\Stream\DuplexStreamInterface;
use RuntimeException;
class JsonProtocol implements ProtocolInterface
{
public function __construct(
public readonly string $frameSeparator = "\0",
public readonly int $prependSizeBytes = 0,
public readonly string $prependSizeEndian = 'l',
public readonly bool $unescapedSlashes = true,
private readonly ?Closure $beforePackCb = null,
private readonly ?Closure $afterPackCb = null,
private readonly ?Closure $beforeUnpackCb = null,
private readonly ?Closure $afterUnpackCb = null,
)
{
}
public function packFrame(array $frame): string
{
if (is_callable($this->beforePackCb))
$frame = call_user_func($this->beforePackCb, $frame);
$jsonOpts = ($this->unescapedSlashes?\JSON_UNESCAPED_SLASHES:0);
$data = @json_encode($frame, $jsonOpts);
if (!$data) {
throw new ProtocolException("JsonProtocol: Empty data after serializing");
}
// append separator
$data = $data . $this->frameSeparator;
// prepend size
if ($this->prependSizeBytes > 0) {
$data = $this->packSizeBytes(strlen($data)) . $data;
}
if (is_callable($this->afterPackCb))
$data = call_user_func($this->afterPackCb, $data);
return $data;
}
public function unpackFrame(string $data): array
{
if (is_callable($this->beforeUnpackCb))
$data = call_user_func($this->beforeUnpackCb, $data);
if ($this->prependSizeBytes > 0) {
if ($this->prependSizeBytes > strlen($data)) {
// not enough data to parse size...
throw new ProtocolException("JsonProtocol: Not enough data to parse size");
}
$len = $this->unpackSizeBytes($data);
if ($len <= 0) {
// unparsable?
throw new ProtocolException("JsonProtocol: Invalid size decoded from frame");
}
if ($len > strlen($data) - $this->prependSizeBytes) {
// insufficient data
throw new ProtocolException("JsonProtocol: Insufficient data for unpacking");
}
$data = substr($data, $this->prependSizeBytes);
}
if ($this->frameSeparator) {
$data = substr($data, 0, -strlen($this->frameSeparator));
}
$frame = @json_decode($data, true);
// echo "[{$data}]"; var_dump($frame);
if (!$frame) {
// invalid json
throw new ProtocolException("Unparsable frame received: {$data}");
}
if (is_callable($this->afterUnpackCb))
$frame = call_user_func($this->afterUnpackCb, $frame);
return $frame;
}
public function consumeFrame(string &$data): ?array
{
// check for $this->prependSizeBytes
if ($this->prependSizeBytes > 0) {
$len = $this->unpackSizeBytes($data);
// if size is greater than data (i.e. incomplete)
if ($len > strlen($data) - $this->prependSizeBytes) return null;
$p = $len;
// $data = substr($data, $this->prependSizeBytes);
} elseif ($this->frameSeparator) {
// check for $this->frameSeparator
$p = strpos($data, $this->frameSeparator);
if ($p === false) {
return null;
}
}
$frame = substr($data, 0, $p + strlen($this->frameSeparator) + $this->prependSizeBytes);
$data = substr($data, $p + strlen($this->frameSeparator) + $this->prependSizeBytes);
return $this->unpackFrame($frame);
}
public function packSizeBytes(int $size): string
{
$endian = function($b,$l,$s) {
return match ($this->prependSizeEndian) {
'b' => $b,
'l' => $l,
default => $s
};
};
return match ($this->prependSizeBytes) {
1 => pack($endian("C","C","C"), $size),
2 => pack($endian("n","v","S"), $size),
4 => pack($endian("N","V","L"), $size),
default => throw new ProtocolException("JsonProtocol: Invalid message size length")
};
}
public function unpackSizeBytes(string $data): int
{
$bytes = substr($data, 0, $this->prependSizeBytes);
$endian = function($b,$l,$s) {
return match ($this->prependSizeEndian) {
'b' => $b,
'l' => $l,
default => $s
};
};
return match ($this->prependSizeBytes) {
1 => unpack($endian("C","C","C")."len", $bytes)['len'],
2 => unpack($endian("n","v","S")."len", $bytes)['len'],
4 => unpack($endian("N","V","L")."len", $bytes)['len'],
default => throw new ProtocolException("JsonProtocol: Invalid message size length")
};
}
}

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<?php
namespace NoccyLabs\React\Protocol\Json;
use NoccyLabs\React\Protocol\ProtocolException;
use React\Stream\DuplexStreamInterface;
/**
* Implementation of the JSON-RPC base protocol.
*
*
*/
class JsonRpcProtocol extends JsonProtocol
{
public function __construct(
string $frameSeparator = "\n",
)
{
parent::__construct(
frameSeparator: $frameSeparator,
prependSizeBytes: 0,
unescapedSlashes: true,
beforePackCb: $this->beforePack(...),
afterPackCb: null,
beforeUnpackCb: null,
afterUnpackCb: $this->afterUnpack(...)
);
}
private function beforePack(array $frame): array
{
$frame['jsonrpc'] ??= "2.0";
if (!(isset($frame['method']) || isset($frame['result']))) {
throw new ProtocolException("JsonRpcProtocol: Either method or result key must be present");
}
return $frame;
}
private function afterUnpack(array $frame): array
{
return $frame;
}
}

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<?php
namespace NoccyLabs\React\Protocol\Json;
use React\Stream\DuplexStreamInterface;
/**
* Implementation of the common browser Native Messaging Protocol, used to
* communicate with a browser script from local processes.
*
* For more see:
* - https://developer.chrome.com/docs/extensions/develop/concepts/native-messaging
* - https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Native_messaging
*/
class NativeMessagingProtocol extends JsonProtocol
{
public function __construct(
)
{
parent::__construct(
frameSeparator: '',
prependSizeBytes: 4,
prependSizeEndian: 's',
unescapedSlashes: true,
);
}
}

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<?php
namespace NoccyLabs\React\Protocol\Line;
use Closure;
use NoccyLabs\React\Protocol\ProtocolException;
class HttpLikeProtocol extends LineProtocol
{
private ?int $wantedPayloadSize = null;
public function __construct(
private readonly string $lineSeparator = "\n",
private readonly bool $capturePayloads = false,
private readonly ?string $payloadLengthHeader = null,
private readonly ?Closure $beforePackCb = null,
private readonly ?Closure $afterPackCb = null,
private readonly ?Closure $beforeUnpackCb = null,
private readonly ?Closure $afterUnpackCb = null
)
{
return parent::__construct(
lineBreak: str_repeat($lineSeparator, 2),
);
}
public function packFrame(array $frame): string
{
if (is_callable($this->beforePackCb))
$frame = call_user_func($this->beforePackCb, $frame);
$headers = [];
foreach ($frame['headers']??[] as $header => $values) {
foreach ($values as $value) {
$headers[] = sprintf("%s: %s", $header, $value);
}
}
if (is_callable($this->afterPackCb))
$frame = call_user_func($this->afterPackCb, $frame);
return join($this->lineSeparator, [
$frame['query'],
...$headers,
null,
null,
]);
}
public function unpackFrame(string $data): array
{
if (is_callable($this->beforeUnpackCb))
$data = call_user_func($this->beforeUnpackCb, $data);
$lines = explode($this->lineSeparator, $data);
$query = array_shift($lines);
$headers = [];
foreach ($lines as $line) {
if (!trim($line) && $line == end($lines)) continue;
$line = trim($line);
if (!str_contains($line, ":")) {
throw new ProtocolException("Invalid header line: {$line}");
}
[$header, $value] = array_map(trim(...), explode(":", $line, 2));
if (!array_key_exists($header, $headers)) $headers[$header] = [];
$headers[$header][] = $value;
}
$frame = [
'query' => $query,
'headers' => $headers,
];
if (is_callable($this->afterUnpackCb))
$frame = call_user_func($this->afterUnpackCb, $frame);
return $frame;
}
public function consumeFrame(string &$data): ?array
{
if ($this->wantedPayloadSize > 0) {
// consume and emit a "payload" event
}
return parent::consumeFrame($data);
}
}

64
src/Line/LineProtocol.php Normal file
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<?php
namespace NoccyLabs\React\Protocol\Line;
use Closure;
use NoccyLabs\React\Protocol\ProtocolInterface;
class LineProtocol implements ProtocolInterface
{
public function __construct(
private readonly string $lineBreak = "\n",
private readonly bool $quoteStrings = false,
private readonly bool $escapeSpecial = false,
private readonly ?Closure $beforePackCb = null,
private readonly ?Closure $afterPackCb = null,
private readonly ?Closure $beforeUnpackCb = null,
private readonly ?Closure $afterUnpackCb = null,
)
{
}
public function packFrame(array $frame): string
{
if (is_callable($this->beforePackCb))
$frame = call_user_func($this->beforePackCb, $frame);
if ($this->escapeSpecial) {
$frame = array_map(quotemeta(...), $frame);
}
if ($this->quoteStrings) {
$frame = array_map(fn($v) => is_string($v) ? ('"'.str_replace('"',"\\\"",$v).'"') : $v, $frame);
}
$data = join(" ", $frame);
$data .= $this->lineBreak;
if (is_callable($this->afterPackCb))
$data = call_user_func($this->afterPackCb, $data);
return $data;
}
public function unpackFrame(string $data): array
{
return str_getcsv($data, ' ', '"', "\\");
}
public function consumeFrame(string &$data): ?array
{
// check for $this->lineBreak
$p = strpos($data, $this->lineBreak);
if ($p === false) {
return null;
}
// break on separator
$frame = substr($data, 0, $p);
$data = substr($data, $p + strlen($this->lineBreak));
return $this->unpackFrame($frame);
}
}

10
src/ProtocolException.php Normal file
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<?php
namespace NoccyLabs\React\Protocol;
use Exception;
class ProtocolException extends Exception
{
}

50
src/ProtocolInterface.php Normal file
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<?php
namespace NoccyLabs\React\Protocol;
interface ProtocolInterface
{
/**
* Pack a frame, turning an array of data into the frame format.
*
* @param array $data
* @return string
*/
public function packFrame(array $data): string;
/**
* Unpack a frame, turning a string or binary blob into an array of data.
*
* @param string $data
* @param array
*/
public function unpackFrame(string $data): array;
/**
* Unpacks a frame from the buffer if possible. If a frame is unpacked, the
* consumed bytes will be removed from the head of $data.
*
* @param string $data (byref)
* @return array|null
*/
public function consumeFrame(string &$data): ?array;
/**
* Peek at the buffer and determine if we can consume a frame.
*
* If peekFrame returns true, calling consumeFrame() should return the frame
* detected by peekFrame(). The function may therefore prepare a frame to be
* returned immediately on the next call to consumeFrame(). This also means
* that you should NEVER call peekFrame() without intending to call
* consumeFrame() immediately on a true result.
*
* The reasoning for this is that peekFrame() may need to parse a header to
* determine a body length, and this parsing may be as involved as the
* actual consumption/parsing.
*
* @param string $data
* @return boolean
*/
// public function peekFrame(string $data): bool;
}

72
src/ProtocolStream.php Normal file
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<?php
namespace NoccyLabs\React\Protocol;
use Evenement\EventEmitterInterface;
use Evenement\EventEmitterTrait;
use React\Stream\DuplexStreamInterface;
class ProtocolStream implements EventEmitterInterface
{
use EventEmitterTrait;
private string $readBuffer = '';
private ProtocolInterface $protocol;
public function __construct(
private readonly DuplexStreamInterface $stream,
ProtocolInterface $protocol,
private readonly int $maxBuffer = 8192,
private readonly bool $closeOnOverflow = false,
)
{
$this->protocol = $protocol;
$stream->on("data", $this->receive(...));
}
/**
* Upgrade the protocol, switching from f.ex. a text based to a JSON
* based protocol without having to re-create the ProtocolStream.
*
* @param ProtocolInterface $protocol
* @return void
*/
public function upgrade(ProtocolInterface $protocol): void
{
$this->protocol = $protocol;
}
/**
* Undocumented function
*
* @param array $frame
* @return void
*/
public function send(array $frame): void
{
$data = $this->protocol->packFrame($frame);
$this->stream->write($data);
}
private function receive(string $data): void
{
$this->readBuffer .= $data;
try {
while ($frame = $this->protocol->consumeFrame($this->readBuffer)) {
$this->emit("message", [ $frame ]);
}
} catch (ProtocolException $e) {
$this->emit("error", [ $e ]);
return;
}
if (strlen($this->readBuffer) > $this->maxBuffer) {
$this->emit("overflow");
if ($this->closeOnOverflow) {
$this->stream->close();
}
}
}
}

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<?php
namespace NoccyLabs\React\Protocol\Binary;
use NoccyLabs\React\Protocol\ProtocolException;
use PHPUnit\Framework\Attributes\CoversClass;
#[CoversClass(BinaryProtocol::class)]
class BinaryProtocolTest extends \PHPUnit\Framework\TestCase
{
public function testPackingFrames()
{
$proto = new BinaryProtocol(
frameSeparator: "\0"
);
$res1 = $proto->packFrame([ 'payload' => 'foobar' ]);
$this->assertEquals("foobar\0", $res1);
$proto = new BinaryProtocol(
frameSeparator: "",
prependSizeBytes: 2,
);
$res1 = $proto->packFrame([ 'payload' => 'foobar' ]);
$this->assertEquals("\x06\x00foobar", $res1);
}
public function testUnpackingFrames()
{
$proto = new BinaryProtocol(
frameSeparator: "\0"
);
$res1 = $proto->unpackFrame("foobar\0");
$this->assertEquals([ 'payload' => 'foobar' ], $res1);
$proto = new BinaryProtocol(
frameSeparator: "",
prependSizeBytes: 2,
);
$res1 = $proto->unpackFrame("\x06\x00foobar");
$this->assertEquals([ 'payload' => 'foobar' ], $res1);
}
public function testUnpackingIncompleteFrames()
{
$proto = new BinaryProtocol(
frameSeparator: "\0"
);
$res1 = $proto->unpackFrame("foobar\0");
$this->assertEquals([ 'payload' => 'foobar' ], $res1);
$proto = new BinaryProtocol(
frameSeparator: "",
prependSizeBytes: 2,
);
$this->expectException(ProtocolException::class);
$res0 = $proto->unpackFrame("\x06");
$this->expectException(ProtocolException::class);
$res1 = $proto->unpackFrame("\x00foo");
$res2 = $proto->unpackFrame("bar");
$this->assertNull($res1);
$this->assertEquals([ 'payload' => 'foobar' ], $res2);
}
public function testConsumingFrames()
{
$proto = new BinaryProtocol(
frameSeparator: "\0"
);
$res1 = $proto->unpackFrame("foobar\0");
$this->assertEquals([ 'payload' => 'foobar' ], $res1);
$proto = new BinaryProtocol(
frameSeparator: "",
prependSizeBytes: 2,
);
$buffer = "\x06\x00foobar\x06\x00foobaz";
$res1 = $proto->consumeFrame($buffer);
$res2 = $proto->consumeFrame($buffer);
$this->assertEquals([ 'payload' => 'foobar' ], $res1);
$this->assertEquals([ 'payload' => 'foobaz' ], $res2);
}
}

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<?php
namespace NoccyLabs\React\Protocol\Json;
use PHPUnit\Framework\Attributes\CoversClass;
use React\Stream\CompositeStream;
use React\Stream\ThroughStream;
#[CoversClass(JsonProtocol::class)]
class JsonProtocolTest extends \PHPUnit\Framework\TestCase
{
public function testFrameSeparators()
{
$proto = new JsonProtocol("\0");
$packed = $proto->packFrame(['foo' => 'bar']);
$this->assertEquals("{\"foo\":\"bar\"}\0", $packed);
$proto = new JsonProtocol("\n");
$packed = $proto->packFrame(['foo' => 'bar']);
$this->assertEquals("{\"foo\":\"bar\"}\n", $packed);
}
public function testFrameSizePrefixes()
{
$proto = new JsonProtocol(prependSizeBytes: 1);
$packed = $proto->packFrame(['foo' => 'bar']);
$this->assertEquals("\x0E{\"foo\":\"bar\"}\0", $packed);
$proto = new JsonProtocol(prependSizeBytes: 2, prependSizeEndian: 'l');
$packed = $proto->packFrame(['foo' => 'bar']);
$this->assertEquals("\x0E\x00{\"foo\":\"bar\"}\0", $packed);
$proto = new JsonProtocol(prependSizeBytes: 2, prependSizeEndian: 'b');
$packed = $proto->packFrame(['foo' => 'bar']);
$this->assertEquals("\x00\x0E{\"foo\":\"bar\"}\0", $packed);
$proto = new JsonProtocol(prependSizeBytes: 4, prependSizeEndian: 'l');
$packed = $proto->packFrame(['foo' => 'bar']);
$this->assertEquals("\x0E\x00\x00\x00{\"foo\":\"bar\"}\0", $packed);
$proto = new JsonProtocol(prependSizeBytes: 4, prependSizeEndian: 'b');
$packed = $proto->packFrame(['foo' => 'bar']);
$this->assertEquals("\x00\x00\x00\x0E{\"foo\":\"bar\"}\0", $packed);
}
public function testPackingCallbacks()
{
$proto = new JsonProtocol(
prependSizeBytes: 0,
beforePackCb: function (array $data) {
$data['a'] = true;
return $data;
},
afterPackCb: function (string $data) {
return $data."a";
},
);
$packed = $proto->packFrame(['foo' => 'bar']);
$this->assertEquals("{\"foo\":\"bar\",\"a\":true}\0a", $packed);
}
public function testUnpackingCallbacks()
{
$proto = new JsonProtocol(
prependSizeBytes: 0,
beforeUnpackCb: function (string $data) {
return strtolower($data);
},
afterUnpackCb: function (array $data) {
unset($data['a']);
return $data;
},
);
$unpacked = $proto->unpackFrame("{\"FOO\":\"bar\",\"a\":true}\0");
$expect = ['foo' => 'bar'];
$this->assertEquals($expect, $unpacked);
}
public function testConsumingFrames()
{
$proto = new JsonProtocol(
frameSeparator: "\n"
);
$buffer = '{"foo":true}'."\n".'{"bar":false}'."\n";
$msg1 = $proto->consumeFrame($buffer);
$msg2 = $proto->consumeFrame($buffer);
$this->assertEquals(['foo'=>true], $msg1);
$this->assertEquals(['bar'=>false], $msg2);
$proto = new JsonProtocol(
frameSeparator: "\n",
prependSizeBytes: 4,
prependSizeEndian: 'l',
);
$buffer = "\x0c\x00\x00\x00".'{"foo":true}'."\n"."\x0d\x00\x00\x00".'{"bar":false}'."\n";
$msg1 = $proto->consumeFrame($buffer);
$msg2 = $proto->consumeFrame($buffer);
$this->assertEquals(['foo'=>true], $msg1);
$this->assertEquals(['bar'=>false], $msg2);
}
}

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<?php
namespace NoccyLabs\React\Protocol\Json;
use PHPUnit\Framework\Attributes\CoversClass;
use React\Stream\CompositeStream;
use React\Stream\ThroughStream;
#[CoversClass(JsonProtocol::class)]
#[CoversClass(JsonRpcProtocol::class)]
class JsonRpcProtocolTest extends \PHPUnit\Framework\TestCase
{
public function testProcessingCallbacks()
{
$proto = new JsonRpcProtocol(
frameSeparator: "\n"
);
$packed = $proto->packFrame([ 'method' => 'foo', 'params' => [ 'bar' => true ] ]);
$this->assertEquals('{"method":"foo","params":{"bar":true},"jsonrpc":"2.0"}'."\n", $packed);
}
}

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<?php
namespace NoccyLabs\React\Protocol\Json;
use PHPUnit\Framework\Attributes\CoversClass;
use React\Stream\CompositeStream;
use React\Stream\ThroughStream;
#[CoversClass(JsonProtocol::class)]
#[CoversClass(NativeMessagingProtocol::class)]
class NativeMessagingProtocolTest extends \PHPUnit\Framework\TestCase
{
public function testFramePacking()
{
$proto = new NativeMessagingProtocol();
$packed = $proto->packFrame([ 'method' => 'foo', 'params' => [ 'bar' => true ] ]);
$this->assertEquals("\x26\x00\x00\x00".'{"method":"foo","params":{"bar":true}}', $packed);
}
}

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<?php
namespace NoccyLabs\React\Protocol\Line;
use PHPUnit\Framework\Attributes\CoversClass;
use React\Stream\CompositeStream;
use React\Stream\ThroughStream;
#[CoversClass(HttpLikeProtocol::class)]
class HttpLikeProtocolTest extends \PHPUnit\Framework\TestCase
{
public function testPackingFrames()
{
$proto = new HttpLikeProtocol(
lineSeparator: "\n"
);
$packed = $proto->packFrame(['query' => 'GET / HTTP/1.1', 'headers' => [ 'foo' => [ 'bar' ]]]);
$this->assertEquals("GET / HTTP/1.1\nfoo: bar\n\n", $packed);
}
public function testUnpackingFrames()
{
$proto = new HttpLikeProtocol(
lineSeparator: "\n"
);
$msg1 = $proto->unpackFrame("GET / HTTP/1.1\nfoo: bar\n\n");
$this->assertEquals(['query' => 'GET / HTTP/1.1', 'headers' => [ 'foo' => [ 'bar' ]]], $msg1);
}
public function testConsumingFrames()
{
$proto = new HttpLikeProtocol(
lineSeparator: "\n"
);
$buffer = "GET / HTTP/1.1\nfoo: bar\n\n";
$msg1 = $proto->consumeFrame($buffer);
// $msg2 = $proto->consumeFrame($buffer);
$this->assertEquals(['query' => 'GET / HTTP/1.1', 'headers' => [ 'foo' => [ 'bar' ]]], $msg1);
// $this->assertEquals(['bar','false'], $msg2);
}
}

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<?php
namespace NoccyLabs\React\Protocol\Line;
use PHPUnit\Framework\Attributes\CoversClass;
use React\Stream\CompositeStream;
use React\Stream\ThroughStream;
#[CoversClass(LineProtocol::class)]
class LineProtocolTest extends \PHPUnit\Framework\TestCase
{
public function testFrameSeparators()
{
$proto = new LineProtocol("\n");
$packed = $proto->packFrame(['foo', 'bar']);
$this->assertEquals("foo bar\n", $packed);
}
public function testConsumingFrames()
{
$proto = new LineProtocol(
lineBreak: "\n"
);
$buffer = "foo true\nbar false\n";
$msg1 = $proto->consumeFrame($buffer);
$msg2 = $proto->consumeFrame($buffer);
$this->assertEquals(['foo','true'], $msg1);
$this->assertEquals(['bar','false'], $msg2);
}
}

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@@ -0,0 +1,82 @@
<?php
namespace NoccyLabs\React\Protocol;
use NoccyLabs\React\Protocol\Json\JsonProtocol;
use NoccyLabs\React\Protocol\Line\LineProtocol;
use PHPUnit\Framework\Attributes\CoversClass;
use React\EventLoop\Loop;
use React\Stream\CompositeStream;
use React\Stream\ThroughStream;
#[CoversClass(ProtocolStream::class)]
#[CoversClass(LineProtocol::class)]
#[CoversClass(JsonProtocol::class)]
class ProtocolStreamTest extends \PHPUnit\Framework\TestCase
{
public function testSendingFrames()
{
$is = new ThroughStream();
$os = new ThroughStream();
$cs = new CompositeStream($is, $os);
$proto = new LineProtocol();
$stream = new ProtocolStream($cs, $proto);
$written = null;
$os->on("data", function ($v) use (&$written) { $written = $v; });
$stream->send(["helloworld"]);
$this->assertEquals("helloworld\n", $written);
$cs->close();
}
public function testReceivingFrames()
{
$is = new ThroughStream();
$os = new ThroughStream();
$cs = new CompositeStream($is, $os);
$ws = new CompositeStream($os, $is);
$proto = new LineProtocol();
$stream = new ProtocolStream($cs, $proto);
$read = null;
$stream->on("message", function ($v) use (&$read) { $read = $v; });
$ws->write("helloworld\n");
$this->assertEquals([ "helloworld" ], $read);
$cs->close();
}
public function testPartialFrames()
{
$is = new ThroughStream();
$os = new ThroughStream();
$cs = new CompositeStream($is, $os);
$ws = new CompositeStream($os, $is);
$proto = new JsonProtocol(
frameSeparator: "\n"
);
$stream = new ProtocolStream($cs, $proto);
$read = null;
$stream->on("message", function ($v) use (&$read) { $read = $v; });
$ws->write('{"hello":');
$ws->write('"world"}');
$ws->write("\n");
$this->assertEquals([ "hello" => "world" ], $read);
$cs->close();
}
}