plugins/updater/init.php

   1 <?php
   2 class Updater extends Plugin {
   3
   4         private $link;
   5         private $host;
   6
   7         function about() {
   8                 return array(1.0,
   9                         "Updates tt-rss installation to latest version.",
  10                         "fox",
  11                         true);
  12         }
  13
  14         function init($host) {
  15                 $this->link = $host->get_link();
  16                 $this->host = $host;
  17
  18                 $host->add_hook($host::HOOK_PREFS_TAB, $this);
  19
  20                 $host->add_command("update-self",
  21                         "update tt-rss installation to latest version",
  22                         $this);
  23         }
  24
  25         function update_self_step($link, $step, $params, $force = false) {
  26                 // __FILE__ is in plugins/updater so we need to go one level up
  27                 $work_dir = dirname(dirname(dirname(__FILE__)));
  28                 $parent_dir = dirname($work_dir);
  29
  30                 if (!chdir($work_dir)) {
  31                         array_push($log, "Unable to change to work directory: $work_dir");
  32                         $stop = true; break;
  33                 }
  34
  35                 $stop = false;
  36                 $log = array();
  37                 if (!is_array($params)) $params = array();
  38
  39                 switch ($step) {
  40                 case 0:
  41                         array_push($log, "Work directory: $work_dir");
  42
  43                         if (!is_writable($work_dir) && !is_writable("$parent_dir")) {
  44                                 $user = posix_getpwuid(posix_geteuid());
  45                                 $user = $user["name"];
  46                                 array_push($log, "Both tt-rss and parent directories should be writable as current user ($user).");
  47                                 $stop = true; break;
  48                         }
  49
  50                         if (!file_exists("$work_dir/config.php") || !file_exists("$work_dir/include/sanity_check.php")) {
  51                                 array_push($log, "Work directory $work_dir doesn't look like tt-rss installation.");
  52                                 $stop = true; break;
  53                         }
  54
  55                         if (!is_writable(sys_get_temp_dir())) {
  56                                 array_push($log, "System temporary directory should be writable as current user.");
  57                                 $stop = true; break;
  58                         }
  59
  60                         array_push($log, "Checking for tar...");
  61
  62                         $system_rc = 0;
  63                         system("tar --version >/dev/null", $system_rc);
  64
  65                         if ($system_rc != 0) {
  66                                 array_push($log, "Could not run tar executable (RC=$system_rc).");
  67                                 $stop = true; break;
  68                         }
  69
  70                         array_push($log, "Checking for gunzip...");
  71
  72                         $system_rc = 0;
  73                         system("gunzip --version >/dev/null", $system_rc);
  74
  75                         if ($system_rc != 0) {
  76                                 array_push($log, "Could not run gunzip executable (RC=$system_rc).");
  77                                 $stop = true; break;
  78                         }
  79
  80
  81                         array_push($log, "Checking for latest version...");
  82
  83                         $version_info = json_decode(fetch_file_contents("http://tt-rss.org/version.php"),
  84                                 true);
  85
  86                         if (!is_array($version_info)) {
  87                                 array_push($log, "Unable to fetch version information.");
  88                                 $stop = true; break;
  89                         }
  90
  91                         $target_version = $version_info["version"];
  92                         $target_dir = "$parent_dir/tt-rss-$target_version";
  93
  94                         array_push($log, "Target version: $target_version");
  95                         $params["target_version"] = $target_version;
  96
  97                         if (version_compare(VERSION, $target_version) != -1 && !$force) {
  98                                 array_push($log, "Your Tiny Tiny RSS installation is up to date.");
  99                                 $stop = true; break;
 100                         }
 101
 102                         if (file_exists($target_dir)) {
 103                                 array_push($log, "Target directory $target_dir already exists.");
 104                                 $stop = true; break;
 105                         }
 106
 107                         break;
 108                 case 1:
 109                         $target_version = $params["target_version"];
 110
 111                         array_push($log, "Downloading checksums...");
 112                         $md5sum_data = fetch_file_contents("http://tt-rss.org/download/md5sum.txt");
 113
 114                         if (!$md5sum_data) {
 115                                 array_push($log, "Could not download checksums.");
 116                                 $stop = true; break;
 117                         }
 118
 119                         $md5sum_data = explode("\n", $md5sum_data);
 120
 121                         foreach ($md5sum_data as $line) {
 122                                 $pair = explode("  ", $line);
 123
 124                                 if ($pair[1] == "tt-rss-$target_version.tar.gz") {
 125                                         $target_md5sum = $pair[0];
 126                                         break;
 127                                 }
 128                         }
 129
 130                         if (!$target_md5sum) {
 131                                 array_push($log, "Unable to locate checksum for target version.");
 132                                 $stop = true; break;
 133                         }
 134
 135                         $params["target_md5sum"] = $target_md5sum;
 136
 137                         break;
 138                 case 2:
 139                         $target_version = $params["target_version"];
 140                         $target_md5sum = $params["target_md5sum"];
 141
 142                         array_push($log, "Downloading distribution tarball...");
 143
 144                         $tarball_url = "http://tt-rss.org/download/tt-rss-$target_version.tar.gz";
 145                         $data = fetch_file_contents($tarball_url);
 146
 147                         if (!$data) {
 148                                 array_push($log, "Could not download distribution tarball ($tarball_url).");
 149                                 $stop = true; break;
 150                         }
 151
 152                         array_push($log, "Verifying tarball checksum...");
 153
 154                         $test_md5sum = md5($data);
 155
 156                         if ($test_md5sum != $target_md5sum) {
 157                                 array_push($log, "Downloaded checksum doesn't match (got $test_md5sum, expected $target_md5sum).");
 158                                 $stop = true; break;
 159                         }
 160
 161                         $tmp_file = tempnam(sys_get_temp_dir(), 'tt-rss');
 162                         array_push($log, "Saving download to $tmp_file");
 163
 164                         if (!file_put_contents($tmp_file, $data)) {
 165                                 array_push($log, "Unable to save download.");
 166                                 $stop = true; break;
 167                         }
 168
 169                         $params["tmp_file"] = $tmp_file;
 170
 171                         break;
 172                 case 3:
 173                         $tmp_file = $params["tmp_file"];
 174                         $target_version = $params["target_version"];
 175
 176                         if (!chdir($parent_dir)) {
 177                                 array_push($log, "Unable to change into parent directory.");
 178                                 $stop = true; break;
 179                         }
 180
 181                         $old_dir = tmpdirname($parent_dir, "tt-rss-old");
 182
 183                         array_push($log, "Renaming tt-rss directory to ".basename($old_dir));
 184                         if (!rename($work_dir, $old_dir)) {
 185                                 array_push($log, "Unable to rename tt-rss directory.");
 186                                 $stop = true; break;
 187                         }
 188
 189                         array_push($log, "Extracting tarball...");
 190                         system("tar zxf $tmp_file", $system_rc);
 191
 192                         if ($system_rc != 0) {
 193                                 array_push($log, "Error while extracting tarball (RC=$system_rc).");
 194                                 $stop = true; break;
 195                         }
 196
 197                         $target_dir = "$parent_dir/tt-rss-$target_version";
 198
 199                         array_push($log, "Renaming target directory...");
 200                         if (!rename($target_dir, $work_dir)) {
 201                                 array_push($log, "Unable to rename target directory.");
 202                                 $stop = true; break;
 203                         }
 204
 205                         if (!chdir($work_dir)) {
 206                                 array_push($log, "Unable to change to work directory: $work_dir");
 207                                 $stop = true; break;
 208                         }
 209
 210                         array_push($log, "Copying config.php...");
 211                         if (!copy("$old_dir/config.php", "$work_dir/config.php")) {
 212                                 array_push($log, "Unable to copy config.php to $work_dir.");
 213                                 $stop = true; break;
 214                         }
 215
 216                         array_push($log, "Cleaning up...");
 217                         unlink($tmp_file);
 218
 219                         array_push($log, "Fixing permissions...");
 220
 221                         $directories = array(
 222                                 CACHE_DIR,
 223                                 CACHE_DIR . "/export",
 224                                 CACHE_DIR . "/images",
 225                                 CACHE_DIR . "/simplepie",
 226                                 ICONS_DIR,
 227                                 LOCK_DIRECTORY);
 228
 229                         foreach ($directories as $dir) {
 230                                 array_push($log, "-> $dir");
 231                                 chmod($dir, 0777);
 232                         }
 233
 234                         array_push($log, "Upgrade completed.");
 235                         array_push($log, "Your old tt-rss directory is saved at $old_dir. ".
 236                                 "Please migrate locally modified files (if any) and remove it.");
 237                         array_push($log, "You might need to re-enter current directory in shell to see new files.");
 238
 239                         $stop = true;
 240                         break;
 241                 default:
 242                         $stop = true;
 243                 }
 244
 245                 return array("step" => $step, "stop" => $stop, "params" => $params, "log" => $log);
 246         }
 247
 248         function update_self_cli($link, $force = false) {
 249                 $step = 0;
 250                 $stop = false;
 251                 $params = array();
 252
 253                 while (!$stop) {
 254                         $rc = $this->update_self_step($link, $step, $params, $force);
 255
 256                         $params = $rc['params'];
 257                         $stop = $rc['stop'];
 258
 259                         foreach ($rc['log'] as $line) {
 260                                 _debug($line);
 261                         }
 262                         ++$step;
 263                 }
 264         }
 265
 266         function update_self($args) {
 267                 _debug("Warning: self-updating is experimental. Use at your own risk.");
 268                 _debug("Please backup your tt-rss directory before continuing. Your database will not be modified.");
 269                 _debug("Type 'yes' to continue.");
 270
 271                 if (read_stdin() != 'yes')
 272                         exit;
 273
 274                 $this->update_self_cli($link, in_array("-force", $args));
 275         }
 276
 277         function get_prefs_js() {
 278                 return file_get_contents(dirname(__FILE__) . "/updater.js");
 279         }
 280
 281         function hook_prefs_tab($args) {
 282                 if ($args != "prefPrefs") return;
 283
 284                 if (($_SESSION["access_level"] >= 10 || SINGLE_USER_MODE) && CHECK_FOR_NEW_VERSION) {
 285                         print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Update Tiny Tiny RSS')."\">";
 286
 287                         if ($_SESSION["pref_last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
 288                                 $_SESSION["version_data"] = @check_for_update($this->link);
 289                                 $_SESSION["pref_last_version_check"] = time();
 290                         }
 291
 292                         if (is_array($_SESSION["version_data"])) {
 293                                 $version = $_SESSION["version_data"]["version"];
 294                                 print_notice(T_sprintf("New version of Tiny Tiny RSS is available (%s).", "<b>$version</b>"));
 295
 296                                 print "<p><button dojoType=\"dijit.form.Button\" onclick=\"return updateSelf()\">".
 297                                         __('Update Tiny Tiny RSS')."</button></p>";
 298
 299                         } else {
 300                                 print_notice(__("Your Tiny Tiny RSS installation is up to date."));
 301                         }
 302
 303                         print "</div>"; #pane
 304                 }
 305
 306         function updateSelf() {
 307                 print "<form style='display : block' name='self_update_form' id='self_update_form'>";
 308
 309                 print "<div class='error'>".__("Do not close this dialog until updating is finished. Backup your tt-rss directory before continuing.")."</div>";
 310
 311                 print "<ul class='selfUpdateList' id='self_update_log'>";
 312                 print "<li>" . __("Ready to update.") . "</li>";
 313                 print "</ul>";
 314
 315                 print "<div class='dlgButtons'>";
 316                 print "<button id=\"self_update_start_btn\" dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('updateSelfDlg').start()\" >".
 317                         __("Start update")."</button>";
 318                 print "<button id=\"self_update_stop_btn\" onclick=\"return dijit.byId('updateSelfDlg').close()\" dojoType=\"dijit.form.Button\">".
 319                         __("Close this window")."</button>";
 320                 print "</div>";
 321                 print "</form>";
 322         }
 323
 324         function performUpdate() {
 325                 $step = (int) $_REQUEST["step"];
 326                 $params = json_decode($_REQUEST["params"], true);
 327                 $force = (bool) $_REQUEST["force"];
 328
 329                 if (($_SESSION["access_level"] >= 10 || SINGLE_USER_MODE) && CHECK_FOR_NEW_VERSION) {
 330                         print   json_encode($this->update_self_step($this->link, $step, $params, $force));
 331                 }
 332         }
 333
 334
 335         }
 336 }
 337 ?>