clitor-is-protocol
/
kevacoin-php
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implement Reader library

main 1.0.0
ghost 12 months ago
parent
7efbd71233
commit
b2ed118272
2 changed files with 154 additions and 126 deletions
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  1. 126
      src/Get.php
  2. 154
      src/Reader.php

126
src/Get.php
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@ -1,126 +0,0 @@ @@ -1,126 +0,0 @@
<?php
declare(strict_types=1);
namespace ClitorIsProtocol\Kevacoin;
class Get
{
private array $_errors = [];
// Decode pieces (by keva_get namespace response)
public function decode(array $pieces): ?string
{
$chain = [];
foreach ($pieces as $piece)
{
// validate piece
if (!isset($piece->key) || !isset($piece->value) || !isset($piece->height))
{
$this->_errors[] = _('invalid piece format');
// free mem
$chain = [];
$pieces = [];
return null;
}
// skip meta keys
if (false !== stripos($piece->key, '_'))
{
continue;
}
$chain[$piece->key][$piece->height] = $piece->value;
}
$pieces = [];
foreach ($chain as $key => $height)
{
ksort(
$height
);
$pieces[$key] = $height[array_key_last($height)];
}
ksort(
$pieces
);
if (!$data = @base64_decode(implode('', $pieces)))
{
$this->_errors[] = _('could not decode content data');
// free mem
$chain = [];
$pieces = [];
return null;
}
// free mem
$chain = [];
$pieces = [];
return $data;
}
// Validate keva_get _CLITOR_IS_ value
public function clitorIs(string $value): bool
{
if (!$meta = @json_decode($value))
{
$this->_errors[] = _('[_CLITOR_IS_] decode error');
return false;
}
switch (false)
{
// version
case isset($meta->version) && preg_match('/[\d]{2}\.[\d]{2}\.[\d]{2}/', $meta->version):
$this->_errors[] = _('[_CLITOR_IS_] version not compatible');
// model
case isset($meta->model->name) && $meta->model->name !== 'kevacoin' &&
isset($meta->model->software) && is_object($meta->model->software) &&
isset($meta->model->software->version) && is_int($meta->model->software->version) &&
isset($meta->model->software->protocol) && is_int($meta->model->software->protocol) &&
isset($meta->model->namespace) && preg_match('/^N[0-9A-z]{33}$/', $meta->model->namespace):
$this->_errors[] = _('[_CLITOR_IS_] model not compatible');
// pieces
case isset($meta->pieces) && is_object($meta->pieces) &&
isset($meta->pieces->total) && is_int($meta->pieces->total) && $meta->pieces->total > 1 &&
isset($meta->pieces->size) && is_int($meta->pieces->size) && $meta->pieces->size >= 1
&& $meta->pieces->size <= 3072:
$this->_errors[] = _('[_CLITOR_IS_] pieces not compatible');
// file
case isset($meta->file) && is_object($meta->file) &&
isset($meta->file->name) && is_string($meta->file->name) &&
isset($meta->file->mime) && is_string($meta->file->mime) &&
isset($meta->file->size) && is_int($meta->file->size) &&
isset($meta->file->md5) && is_string($meta->file->md5):
$this->_errors[] = _('[_CLITOR_IS_] file not compatible');
return false;
}
return true;
}
// Dump tool
public function errors(): array
{
return $this->_errors;
}
}

154
src/Reader.php
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@ -0,0 +1,154 @@ @@ -0,0 +1,154 @@
<?php
declare(strict_types=1);
namespace ClitorIsProtocol\Kevacoin;
class Reader
{
private array $_errors = [];
private array $_meta = [];
public function __construct(string $value)
{
if (!$meta = @json_decode($value, true))
{
$this->_errors[] = _('[_CLITOR_IS_] decode error');
}
if // version valid
(!
(
isset($meta['version']) && preg_match('/[\d]{2}\.[\d]{2}\.[\d]{2}/', $meta['version'])
)
) $this->_errors[] = _('[_CLITOR_IS_] version not compatible');
if // model valid
(!
(
isset($meta['model']) && is_array($meta['model']) &&
isset($meta['model']['name']) && strtolower($meta['model']['name']) === 'kevacoin' &&
isset($meta['model']['software']) && is_array($meta['model']['software']) &&
isset($meta['model']['software']['version']) && is_int($meta['model']['software']['version']) &&
isset($meta['model']['software']['protocol']) && is_int($meta['model']['software']['protocol']) &&
isset($meta['model']['namespace']) && preg_match('/^N[0-9A-z]{33}$/', $meta['model']['namespace'])
)
) $this->_errors[] = _('[_CLITOR_IS_] model not compatible');
// pieces valid
if
(!
(
isset($meta['pieces']) && is_array($meta['pieces']) &&
isset($meta['pieces']['total']) && is_int($meta['pieces']['total']) && $meta['pieces']['total'] > 1 &&
isset($meta['pieces']['size']) && is_int($meta['pieces']['size']) && $meta['pieces']['size'] >= 1
&& $meta['pieces']['size'] <= 3072
)
) $this->_errors[] = _('[_CLITOR_IS_] pieces not compatible');
if // file valid
(!
(
isset($meta['file']) && is_array($meta['file']) &&
isset($meta['file']['name']) && is_string($meta['file']['name']) &&
isset($meta['file']['mime']) && is_string($meta['file']['mime']) &&
isset($meta['file']['size']) && is_int($meta['file']['size']) &&
isset($meta['file']['md5']) && is_string($meta['file']['md5'])
)
) $this->_errors[] = _('[_CLITOR_IS_] file not compatible');
if (!$this->_errors) $this->_meta = $meta;
}
// Decode pieces data (by keva_get namespace response)
public function data(array $pieces, bool $decode = true): ?string
{
$chain = [];
foreach ($pieces as $piece)
{
// validate piece
if (!isset($piece['key']) || !isset($piece['value']) || !isset($piece['height']))
{
$this->_errors[] = _('invalid piece format');
// free mem
$chain = [];
$pieces = [];
return null;
}
// skip meta keys
if (false !== stripos($piece['key'], '_'))
{
continue;
}
$chain[$piece['key']][$piece['height']] = $piece['value'];
}
$pieces = [];
foreach ($chain as $key => $height)
{
ksort(
$height
);
$pieces[$key] = $height[array_key_last($height)];
}
ksort(
$pieces
);
$data = implode('', $pieces);
if ($decode)
{
if (!$data = @base64_decode($data))
{
$this->_errors[] = _('could not decode content data');
// free mem
$chain = [];
$pieces = [];
return null;
}
}
return $data;
}
// Get File MIME
public function fileMime(): ?string
{
return !empty($this->_meta['file']['mime']) ? $this->_meta['file']['mime'] : null;
}
// Get File Length
public function fileLength(): ?string
{
return !empty($this->_meta['file']['length']) ? $this->_meta['file']['length'] : null;
}
// Get File Name
public function fileName(): ?string
{
return !empty($this->_meta['file']['name']) ? $this->_meta['file']['name'] : null;
}
// Validate _CLITOR_IS_
public function valid(): bool
{
return !$this->_errors;
}
// Dump tool
public function errors(): array
{
return $this->_errors;
}
}
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