git.m6w6.name Git - pharext/pharext/blob - src/pharext/Task/Activate.php

   1 <?php
   2
   3 namespace pharext\Task;
   4
   5 use pharext\Exception;
   6 use pharext\ExecCmd;
   7 use pharext\Task;
   8 use pharext\Tempfile;
   9
  10 /**
  11  * PHP INI activation
  12  */
  13 class Activate implements Task
  14 {
  15         /**
  16          * @var string
  17          */
  18         private $cwd;
  19
  20         /**
  21          * @var array
  22          */
  23         private $inis;
  24
  25         /**
  26          * @var string
  27          */
  28         private $sudo;
  29
  30         /**
  31          * @param string $cwd working directory
  32          * @param array $inis custom INI or list of loaded/scanned INI files
  33          * @param string $sudo sudo command
  34          * @throws \pharext\Exception
  35          */
  36         public function __construct($cwd, array $inis, $sudo = null) {
  37                 $this->cwd = $cwd;
  38                 $this->sudo = $sudo;
  39                 if (!$this->inis = $inis) {
  40                         throw new Exception("No PHP INIs given");
  41                 }
  42         }
  43
  44         /**
  45          * @param bool $verbose
  46          * @return boolean false, if extension was already activated
  47          */
  48         public function run($verbose = false) {
  49                 $extension = basename(current(glob("{$this->cwd}/modules/*.so")));
  50                 $pattern = preg_quote($extension);
  51
  52                 foreach ($this->inis as $file) {
  53                         $temp = new Tempfile("phpini");
  54                         foreach (file($file) as $line) {
  55                                 if (preg_match("/^\s*extension\s*=\s*[\"']?{$pattern}[\"']?\s*(;.*)?\$/", $line)) {
  56                                         return false;
  57                                 }
  58                                 fwrite($temp->getStream(), $line);
  59                         }
  60                 }
  61
  62                 /* not found; append to last processed file, which is the main by default */
  63                 fprintf($temp->getStream(), "extension=%s\n", $extension);
  64                 $temp->closeStream();
  65
  66                 $path = $temp->getPathname();
  67                 $stat = stat($file);
  68
  69                 // owner transfer
  70                 $ugid = sprintf("%d:%d", $stat["uid"], $stat["gid"]);
  71                 $cmd = new ExecCmd("chown", $verbose);
  72                 if (isset($this->sudo)) {
  73                         $cmd->setSu($this->sudo);
  74                 }
  75                 $cmd->run([$ugid, $path]);
  76
  77                 // permission transfer
  78                 $perm = decoct($stat["mode"] & 0777);
  79                 $cmd = new ExecCmd("chmod", $verbose);
  80                 if (isset($this->sudo)) {
  81                         $cmd->setSu($this->sudo);
  82                 }
  83                 $cmd->run([$perm, $path]);
  84
  85                 // rename
  86                 $cmd = new ExecCmd("mv", $verbose);
  87                 if (isset($this->sudo)) {
  88                         $cmd->setSu($this->sudo);
  89                 }
  90                 $cmd->run([$path, $file]);
  91
  92                 return true;
  93         }
  94 }