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Merge pull request #5 from thornag/0.3
0.3.2 - file permissions support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| .idea | ||
| vendor | ||
| build | ||
| tmp |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| <?php | ||
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| namespace VirtualFileSystem\Wrapper; | ||
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| use VirtualFileSystem\Structure\Node; | ||
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| class PermissionHelper | ||
| { | ||
| const MODE_USER_READ = 0400; | ||
| const MODE_USER_WRITE = 0200; | ||
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| const MODE_GROUP_READ = 0040; | ||
| const MODE_GROUP_WRITE = 0020; | ||
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| const MODE_WORLD_READ = 0004; | ||
| const MODE_WORLD_WRITE = 0002; | ||
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| /** | ||
| * @var Node | ||
| */ | ||
| protected $node; | ||
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| protected $userid; | ||
| protected $groupid; | ||
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| /** | ||
| * @param Node $node | ||
| */ | ||
| public function __construct(Node $node) | ||
| { | ||
| $this->node = $node; | ||
| $this->userid = posix_getuid(); | ||
| $this->groupid = posix_getgid(); | ||
| } | ||
|
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| /** | ||
| * Checks whether user_id on file is the same as executing user | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function userIsOwner() | ||
| { | ||
| return (bool)($this->userid == $this->node->user()); | ||
| } | ||
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| /** | ||
| * Checks whether file is readable for user | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function userCanRead() | ||
| { | ||
| return $this->userIsOwner() && ($this->node->mode() & self::MODE_USER_READ); | ||
| } | ||
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| /** | ||
| * Checks whether file is writable for user | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function userCanWrite() | ||
| { | ||
| return $this->userIsOwner() && ($this->node->mode() & self::MODE_USER_WRITE); | ||
| } | ||
|
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| /** | ||
| * Checks whether group_id on file is the same as executing user | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function groupIsOwner() | ||
| { | ||
| return (bool)($this->groupid == $this->node->group()); | ||
| } | ||
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| /** | ||
| * Checks whether file is readable for group | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function groupCanRead() | ||
| { | ||
| return $this->groupIsOwner() && ($this->node->mode() & self::MODE_GROUP_READ); | ||
| } | ||
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| /** | ||
| * Checks whether file is writable for group | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function groupCanWrite() | ||
| { | ||
| return $this->groupIsOwner() && ($this->node->mode() & self::MODE_GROUP_WRITE); | ||
| } | ||
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| /** | ||
| * Checks whether file is readable for world | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function worldCanRead() | ||
| { | ||
| return (bool)($this->node->mode() & self::MODE_WORLD_READ); | ||
| } | ||
|
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| /** | ||
| * Checks whether file is writable for world | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function worldCanWrite() | ||
| { | ||
| return (bool)($this->node->mode() & self::MODE_WORLD_WRITE); | ||
| } | ||
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| /** | ||
| * Checks whether file is readable (by user, group or world) | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function isReadable() | ||
| { | ||
| return $this->userCanRead() || $this->groupCanRead() || $this->worldCanRead(); | ||
| } | ||
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| /** | ||
| * Checks whether file is writable (by user, group or world) | ||
| * | ||
| * @return bool | ||
| */ | ||
| public function isWritable() | ||
| { | ||
| return $this->userCanWrite() || $this->groupCanWrite() || $this->worldCanWrite(); | ||
| } | ||
| } |
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