git.m6w6.name Git - pharext/pharext/blob - src/pharext/Installer.php

   1 <?php
   2
   3 namespace pharext;
   4
   5 use Phar;
   6 use pharext\Cli\Args as CliArgs;
   7 use pharext\Cli\Command as CliCommand;
   8
   9 /**
  10  * The extension install command executed by the extension phar
  11  */
  12 class Installer implements Command
  13 {
  14         use CliCommand;
  15
  16         /**
  17          * The temporary directory we should operate in
  18          * @var string
  19          */
  20         private $tmp;
  21
  22         /**
  23          * The directory we came from
  24          * @var string
  25          */
  26         private $cwd;
  27
  28         /**
  29          * Create the command
  30          */
  31         public function __construct() {
  32                 $this->args = new CliArgs([
  33                         ["h", "help", "Display help",
  34                                 CliArgs::OPTIONAL|CliArgs::SINGLE|CliArgs::NOARG|CliArgs::HALT],
  35                         ["v", "verbose", "More output",
  36                                 CliArgs::OPTIONAL|CliArgs::SINGLE|CliArgs::NOARG],
  37                         ["q", "quiet", "Less output",
  38                                 CliArgs::OPTIONAL|CliArgs::SINGLE|CliArgs::NOARG],
  39                         ["p", "prefix", "PHP installation prefix if phpize is not in \$PATH, e.g. /opt/php7",
  40                                 CliArgs::OPTIONAL|CliArgs::SINGLE|CliArgs::REQARG],
  41                         ["n", "common-name", "PHP common program name, e.g. php5 or zts-php",
  42                                 CliArgs::OPTIONAL|CliArgs::SINGLE|CliArgs::REQARG,
  43                                 "php"],
  44                         ["c", "configure", "Additional extension configure flags, e.g. -c --with-flag",
  45                                 CliArgs::OPTIONAL|CliArgs::MULTI|CliArgs::REQARG],
  46                         ["s", "sudo", "Installation might need increased privileges",
  47                                 CliArgs::OPTIONAL|CliArgs::SINGLE|CliArgs::OPTARG,
  48                                 "sudo -S %s"],
  49                         ["i", "ini", "Activate in this php.ini instead of loaded default php.ini",
  50                                 CliArgs::OPTIONAL|CliArgs::SINGLE|CliArgs::REQARG],
  51                 ]);
  52         }
  53
  54         /**
  55          * Cleanup temp directory
  56          */
  57         public function __destruct() {
  58                 $this->cleanup();
  59         }
  60
  61         /**
  62          * @inheritdoc
  63          * @see \pharext\Command::run()
  64          */
  65         public function run($argc, array $argv) {
  66                 $this->cwd = getcwd();
  67                 $this->tmp = $this->tempname(basename(Phar::running(false)));
  68
  69                 $phar = new Phar(Phar::running(false));
  70                 foreach ($phar as $entry) {
  71                         if (fnmatch("*.ext.phar*", $entry->getBaseName())) {
  72                                 $temp = $this->newtemp($entry->getBaseName());
  73                                 $phar->extractTo($temp, $entry->getFilename(), true);
  74                                 $phars[$temp] = new Phar($temp."/".$entry->getFilename());
  75                         }
  76                 }
  77                 $phars[$this->tmp] = $phar;
  78
  79                 foreach ($phars as $phar) {
  80                         if (isset($phar["pharext_install.php"])) {
  81                                 $callable = include $phar["pharext_install.php"];
  82                                 if (is_callable($callable)) {
  83                                         $recv[] = $callable($this);
  84                                 }
  85                         }
  86                 }
  87
  88                 $errs = [];
  89                 $prog = array_shift($argv);
  90                 foreach ($this->args->parse(--$argc, $argv) as $error) {
  91                         $errs[] = $error;
  92                 }
  93
  94                 if ($this->args["help"]) {
  95                         $this->header();
  96                         $this->help($prog);
  97                         exit;
  98                 }
  99
 100                 foreach ($this->args->validate() as $error) {
 101                         $errs[] = $error;
 102                 }
 103
 104                 if ($errs) {
 105                         if (!$this->args["quiet"]) {
 106                                 $this->header();
 107                         }
 108                         foreach ($errs as $err) {
 109                                 $this->error("%s\n", $err);
 110                         }
 111                         if (!$this->args["quiet"]) {
 112                                 $this->help($prog);
 113                         }
 114                         exit(1);
 115                 }
 116
 117                 if (isset($recv)) {
 118                         foreach ($recv as $r) {
 119                                 $r($this);
 120                         }
 121                 }
 122                 foreach ($phars as $temp => $phar) {
 123                         $this->installPackage($phar, $temp);
 124                 }
 125         }
 126
 127         /**
 128          * Prepares, configures, builds and installs the extension
 129          */
 130         private function installPackage(Phar $phar, $temp) {
 131                 $this->info("Installing %s ... \n", basename($phar->getAlias()));
 132                 try {
 133                         $phar->extractTo($temp, null, true);
 134                 } catch (\Exception $e) {
 135                         $this->error("%s\n", $e->getMessage());
 136                         exit(3);
 137                 }
 138
 139                 if (!chdir($temp)) {
 140                         $this->error(null);
 141                         exit(4);
 142                 }
 143
 144                 // phpize
 145                 $this->exec("phpize", $this->php("ize"));
 146
 147                 // configure
 148                 $args = ["--with-php-config=". $this->php("-config")];
 149                 if ($this->args->configure) {
 150                         $args = array_merge($args, $this->args->configure);
 151                 }
 152                 $this->exec("configure", "./configure", $args);
 153
 154                 // make
 155                 if ($this->args->verbose) {
 156                         $this->exec("make", "make", ["-j3"]);
 157                 } else {
 158                         $this->exec("make", "make", ["-j3", "-s"]);
 159                 }
 160
 161                 // install
 162                 if ($this->args->verbose) {
 163                         $this->exec("install", "make", ["install"], true);
 164                 } else {
 165                         $this->exec("install", "make", ["install", "-s"], true);
 166                 }
 167
 168                 // activate
 169                 $this->activate();
 170
 171                 // cleanup
 172                 $this->cleanup($temp);
 173         }
 174
 175         /**
 176          * Perform any cleanups
 177          */
 178         private function cleanup($temp = null) {
 179                 if (!isset($temp)) {
 180                         $temp = $this->tmp;
 181                 }
 182                 if (is_dir($temp)) {
 183                         chdir($this->cwd);
 184                         $this->info("Cleaning up %s ...\n", $temp);
 185                         $this->rm($temp);
 186                 }
 187         }
 188
 189         /**
 190          * Execute a program with escalated privileges handling interactive password prompt
 191          * @param string $command
 192          * @param string $output
 193          * @return int
 194          */
 195         private function sudo($command, &$output) {
 196                 if (!($proc = proc_open($command, [STDIN,["pipe","w"],["pipe","w"]], $pipes))) {
 197                         return -1;
 198                 }
 199                 $stdout = $pipes[1];
 200                 $passwd = 0;
 201                 while (!feof($stdout)) {
 202                         $R = [$stdout]; $W = []; $E = [];
 203                         if (!stream_select($R, $W, $E, null)) {
 204                                 continue;
 205                         }
 206                         $data = fread($stdout, 0x1000);
 207                         /* only check a few times */
 208                         if ($passwd++ < 10) {
 209                                 if (stristr($data, "password")) {
 210                                         printf("\n%s", $data);
 211                                 }
 212                         }
 213                         $output .= $data;
 214                 }
 215                 return proc_close($proc);
 216         }
 217         /**
 218          * Execute a system command
 219          * @param string $name pretty name
 220          * @param string $command command
 221          * @param array $args command arguments
 222          * @param bool $sudo whether the command may need escalated privileges
 223          */
 224         private function exec($name, $command, array $args = null, $sudo = false) {
 225                 $exec = escapeshellcmd($command);
 226                 if ($args) {
 227                         $exec .= " ". implode(" ", array_map("escapeshellarg", (array) $args));
 228                 }
 229
 230                 if ($this->args->verbose) {
 231                         $this->info("Running %s ...\n", $exec);
 232                 } else {
 233                         $this->info("Running %s ... ", $name);
 234                 }
 235
 236                 if ($sudo && isset($this->args->sudo)) {
 237                         $retval = $this->sudo(sprintf($this->args->sudo." 2>&1", $exec), $output);
 238                 } elseif ($this->args->verbose) {
 239                         passthru($exec ." 2>&1", $retval);
 240                 } else {
 241                         exec($exec ." 2>&1", $output, $retval);
 242                         $output = implode("\n", $output);
 243                 }
 244
 245                 if ($retval) {
 246                         $this->error("Command %s failed with (%s)\n", $command, $retval);
 247                         if (isset($output) && !$this->args->quiet) {
 248                                 printf("%s\n", $output);
 249                         }
 250                         exit(2);
 251                 }
 252                 if (!$this->args->verbose) {
 253                         // we already have a bunch of output
 254                         $this->info("OK\n");
 255                 }
 256         }
 257
 258         /**
 259          * Construct a command from prefix common-name and suffix
 260          * @param type $suffix
 261          * @return string
 262          */
 263         private function php($suffix) {
 264                 $cmd = $this->args["common-name"] . $suffix;
 265                 if (isset($this->args->prefix)) {
 266                         $cmd = $this->args->prefix . "/bin/" . $cmd;
 267                 }
 268                 return $cmd;
 269         }
 270
 271         private function activate() {
 272                 if ($this->args->ini) {
 273                         $files = [realpath($this->args->ini)];
 274                 } else {
 275                         $files = array_filter(array_map("trim", explode(",", php_ini_scanned_files())));
 276                         $files[] = php_ini_loaded_file();
 277                 }
 278
 279                 $extension = basename(current(glob("modules/*.so")));
 280                 $pattern = preg_quote($extension);
 281
 282                 foreach ($files as $index => $file) {
 283                         $temp = new Tempfile("phpini");
 284                         foreach (file($file) as $line) {
 285                                 if (preg_match("/^\s*extension\s*=\s*[\"']?{$pattern}[\"']?\s*(;.*)?\$/", $line)) {
 286                                         // already there
 287                                         $this->info("Extension already activated\n");
 288                                         return;
 289                                 }
 290                                 fwrite($temp->getStream(), $line);
 291                         }
 292                 }
 293
 294                 // not found, add extension line to the last process file
 295                 if (isset($temp, $file)) {
 296                         fprintf($temp->getStream(), "extension=%s\n", $extension);
 297                         $temp->closeStream();
 298
 299                         $path = $temp->getPathname();
 300                         $stat = stat($file);
 301
 302                         $ugid = sprintf("%d:%d", $stat["uid"], $stat["gid"]);
 303                         $this->exec("INI owner transfer", "chown", [$ugid, $path], true);
 304
 305                         $perm = decoct($stat["mode"] & 0777);
 306                         $this->exec("INI permission transfer", "chmod", [$perm, $path], true);
 307
 308                         $this->exec("INI activation", "mv", [$path, $file], true);
 309                 }
 310         }
 311 }