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115 | office | 1 | <?php |
2 | |||
3 | /* |
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4 | * This file is part of TemporaryFilesystem. |
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5 | * |
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6 | * (c) Romain Neutron <imprec@gmail.com> |
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7 | * |
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8 | * For the full copyright and license information, please view the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | namespace Neutron\TemporaryFilesystem; |
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13 | |||
14 | use Symfony\Component\Filesystem\Filesystem; |
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15 | use Symfony\Component\Filesystem\Exception\IOException as SfIOException; |
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16 | |||
17 | class TemporaryFilesystem implements TemporaryFilesystemInterface |
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18 | { |
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19 | /** @var Filesystem */ |
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20 | private $filesystem; |
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21 | |||
22 | public function __construct(Filesystem $filesystem) |
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23 | { |
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24 | $this->filesystem = $filesystem; |
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25 | } |
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26 | |||
27 | /** |
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28 | * {@inheritdoc} |
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29 | */ |
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30 | public function createTemporaryDirectory($mode = 0777, $maxTry = 65536, $prefix = null) |
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31 | { |
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32 | $basePath = sys_get_temp_dir(); |
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33 | |||
34 | while ($maxTry > 0) { |
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35 | $dir = $basePath . DIRECTORY_SEPARATOR |
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36 | . $prefix . base_convert(mt_rand(0x19A100, 0x39AA3FF), 10, 36); |
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37 | |||
38 | if (false === file_exists($dir)) { |
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39 | try { |
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40 | $this->filesystem->mkdir($dir, $mode); |
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41 | } catch (SfIOException $e) { |
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42 | throw new IOException('Unable to make directory', $e->getCode(), $e); |
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43 | } |
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44 | |||
45 | return $dir; |
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46 | } |
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47 | |||
48 | $maxTry --; |
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49 | } |
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50 | |||
51 | throw new IOException('Unable to generate a temporary directory'); |
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52 | } |
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53 | |||
54 | /** |
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55 | * {@inheritdoc} |
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56 | */ |
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57 | public function createTemporaryFiles($quantity = 1, $prefix = null, $suffix = null, $extension = null, $maxTry = 65536) |
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58 | { |
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59 | if ($quantity < 1) { |
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60 | throw new \InvalidArgumentException('Invalid temporary files quantity'); |
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61 | } |
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62 | |||
63 | $files = array(); |
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64 | |||
65 | while ($quantity > 0) { |
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66 | $files[] = $this->createEmptyFile(sys_get_temp_dir(), $prefix, $suffix, $extension, $maxTry); |
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67 | $quantity --; |
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68 | } |
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69 | |||
70 | return $files; |
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71 | } |
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72 | |||
73 | /** |
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74 | * {@inheritdoc} |
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75 | */ |
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76 | public function createTemporaryFile($prefix = null, $suffix = null, $extension = null, $maxTry = 65536) |
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77 | { |
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78 | $files = $this->createTemporaryFiles(1, $prefix, $suffix, $extension, $maxTry); |
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79 | |||
80 | return array_pop($files); |
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81 | } |
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82 | |||
83 | /** |
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84 | * {@inheritdoc} |
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85 | */ |
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86 | public function createEmptyFile($basePath, $prefix = null, $suffix = null, $extension = null, $maxTry = 65536) |
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87 | { |
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88 | if (false === is_dir($basePath) || false === is_writeable($basePath)) { |
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89 | throw new IOException(sprintf('`%s` should be a writeable directory', $basePath)); |
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90 | } |
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91 | |||
92 | if ($suffix === null && $extension === null) { |
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93 | if (false === $file = @tempnam($basePath, $prefix)) { |
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94 | throw new IOException('Unable to generate a temporary filename'); |
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95 | } |
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96 | |||
97 | return $file; |
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98 | } |
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99 | |||
100 | while ($maxTry > 0) { |
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101 | $file = $basePath . DIRECTORY_SEPARATOR |
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102 | . $prefix . base_convert(mt_rand(0x19A100, 0x39AA3FF), 10, 36) . $suffix |
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103 | . ( $extension ? '.' . $extension : ''); |
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104 | |||
105 | if (false === file_exists($file)) { |
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106 | try { |
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107 | $this->filesystem->touch($file); |
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108 | } catch (SfIOException $e) { |
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109 | throw new IOException('Unable to touch file', $e->getCode(), $e); |
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110 | } |
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111 | |||
112 | return $file; |
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113 | } |
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114 | |||
115 | $maxTry --; |
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116 | } |
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117 | |||
118 | throw new IOException('Unable to generate a temporary filename'); |
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119 | } |
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120 | |||
121 | /** |
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122 | * Creates a TemporaryFilesystem |
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123 | * |
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124 | * @return TemporaryFilesystem |
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125 | */ |
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126 | public static function create() |
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127 | { |
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128 | return new static(new Filesystem()); |
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129 | } |
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130 | } |