install/index.php

   1 <html>
   2 <head>
   3         <title>Tiny Tiny RSS - Installer</title>
   4         <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   5         <link rel="stylesheet" type="text/css" href="../css/utility.css">
   6         <link rel="stylesheet" type="text/css" href="../css/dijit.css">
   7         <style type="text/css">
   8         textarea { font-size : 12px; }
   9         </style>
  10 </head>
  11 <body>
  12
  13 <?php
  14
  15         // could be needed because of existing config.php
  16         function define_default($param, $value) {
  17                 //
  18         }
  19
  20         function make_password($length = 8) {
  21
  22                 $password = "";
  23                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ*%+^";
  24
  25         $i = 0;
  26
  27                 while ($i < $length) {
  28                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
  29
  30                         if (!strstr($password, $char)) {
  31                                 $password .= $char;
  32                                 $i++;
  33                         }
  34                 }
  35                 return $password;
  36         }
  37
  38
  39         function sanity_check($db_type) {
  40                 $errors = array();
  41
  42                 if (version_compare(PHP_VERSION, '5.3.0', '<')) {
  43                         array_push($errors, "PHP version 5.3.0 or newer required.");
  44                 }
  45
  46                 if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) {
  47                         array_push($errors, "PHP configuration option allow_url_fopen is disabled, and CURL functions are not present. Either enable allow_url_fopen or install PHP extension for CURL.");
  48                 }
  49
  50                 if (!function_exists("json_encode")) {
  51                         array_push($errors, "PHP support for JSON is required, but was not found.");
  52                 }
  53
  54                 if ($db_type == "mysql" && !function_exists("mysql_connect") && !function_exists("mysqli_connect")) {
  55                         array_push($errors, "PHP support for MySQL is required for configured $db_type in config.php.");
  56                 }
  57
  58                 if ($db_type == "pgsql" && !function_exists("pg_connect")) {
  59                         array_push($errors, "PHP support for PostgreSQL is required for configured $db_type in config.php");
  60                 }
  61
  62                 if (!function_exists("mb_strlen")) {
  63                         array_push($errors, "PHP support for mbstring functions is required but was not found.");
  64                 }
  65
  66                 if (!function_exists("hash")) {
  67                         array_push($errors, "PHP support for hash() function is required but was not found.");
  68                 }
  69
  70                 if (!function_exists("ctype_lower")) {
  71                         array_push($errors, "PHP support for ctype functions are required by HTMLPurifier.");
  72                 }
  73
  74                 if (!function_exists("iconv")) {
  75                         array_push($errors, "PHP support for iconv is required to handle multiple charsets.");
  76                 }
  77
  78                 /* if (ini_get("safe_mode")) {
  79                         array_push($errors, "PHP safe mode setting is not supported.");
  80                 } */
  81
  82                 if (!class_exists("DOMDocument")) {
  83                         array_push($errors, "PHP support for DOMDocument is required, but was not found.");
  84                 }
  85
  86                 return $errors;
  87         }
  88
  89         function print_error($msg) {
  90                 print "<div class='error'><span><img src='../images/alert.png'></span>
  91                         <span>$msg</span></div>";
  92         }
  93
  94         function print_notice($msg) {
  95                 print "<div class=\"notice\">
  96                         <span><img src=\"../images/information.png\"></span><span>$msg</span></div>";
  97         }
  98
  99         function db_connect($host, $user, $pass, $db, $type, $port = false) {
 100                 if ($type == "pgsql") {
 101
 102                         $string = "dbname=$db user=$user";
 103
 104                         if ($pass) {
 105                                 $string .= " password=$pass";
 106                         }
 107
 108                         if ($host) {
 109                                 $string .= " host=$host";
 110                         }
 111
 112                         if ($port) {
 113                                 $string = "$string port=" . $port;
 114                         }
 115
 116                         $link = pg_connect($string);
 117
 118                         return $link;
 119
 120                 } else if ($type == "mysql") {
 121                         if (function_exists("mysqli_connect")) {
 122                                 if ($port)
 123                                         return mysqli_connect($host, $user, $pass, $db, $port);
 124                                 else
 125                                         return mysqli_connect($host, $user, $pass, $db);
 126
 127                         } else {
 128                                 $link = mysql_connect($host, $user, $pass);
 129                                 if ($link) {
 130                                         $result = mysql_select_db($db, $link);
 131                                         if ($result) return $link;
 132                                 }
 133                         }
 134                 }
 135         }
 136
 137         function make_config($DB_TYPE, $DB_HOST, $DB_USER, $DB_NAME, $DB_PASS,
 138                         $DB_PORT, $SELF_URL_PATH) {
 139
 140                 $data = explode("\n", file_get_contents("../config.php-dist"));
 141
 142                 $rv = "";
 143
 144                 $finished = false;
 145
 146                 if (function_exists("mcrypt_decrypt")) {
 147                         $crypt_key = make_password(24);
 148                 } else {
 149                         $crypt_key = "";
 150                 }
 151
 152                 foreach ($data as $line) {
 153                         if (preg_match("/define\('DB_TYPE'/", $line)) {
 154                                 $rv .= "\tdefine('DB_TYPE', '$DB_TYPE');\n";
 155                         } else if (preg_match("/define\('DB_HOST'/", $line)) {
 156                                 $rv .= "\tdefine('DB_HOST', '$DB_HOST');\n";
 157                         } else if (preg_match("/define\('DB_USER'/", $line)) {
 158                                 $rv .= "\tdefine('DB_USER', '$DB_USER');\n";
 159                         } else if (preg_match("/define\('DB_NAME'/", $line)) {
 160                                 $rv .= "\tdefine('DB_NAME', '$DB_NAME');\n";
 161                         } else if (preg_match("/define\('DB_PASS'/", $line)) {
 162                                 $rv .= "\tdefine('DB_PASS', '$DB_PASS');\n";
 163                         } else if (preg_match("/define\('DB_PORT'/", $line)) {
 164                                 $rv .= "\tdefine('DB_PORT', '$DB_PORT');\n";
 165                         } else if (preg_match("/define\('SELF_URL_PATH'/", $line)) {
 166                                 $rv .= "\tdefine('SELF_URL_PATH', '$SELF_URL_PATH');\n";
 167                         } else if (preg_match("/define\('FEED_CRYPT_KEY'/", $line)) {
 168                                 $rv .= "\tdefine('FEED_CRYPT_KEY', '$crypt_key');\n";
 169                         } else if (!$finished) {
 170                                 $rv .= "$line\n";
 171                         }
 172
 173                         if (preg_match("/\?\>/", $line)) {
 174                                 $finished = true;
 175                         }
 176                 }
 177
 178                 return $rv;
 179         }
 180
 181         function db_query($link, $query, $type, $die_on_error = true) {
 182                 if ($type == "pgsql") {
 183                         $result = pg_query($link, $query);
 184                         if (!$result) {
 185                                 $query = htmlspecialchars($query); // just in case
 186                                 if ($die_on_error) {
 187                                         die("Query <i>$query</i> failed [$result]: " . ($link ? pg_last_error($link) : "No connection"));
 188                                 }
 189                         }
 190                         return $result;
 191                 } else if ($type == "mysql") {
 192
 193                         if (function_exists("mysqli_connect")) {
 194                                 $result = mysqli_query($link, $query);
 195                         } else {
 196                                 $result = mysql_query($query, $link);
 197                         }
 198                         if (!$result) {
 199                                 $query = htmlspecialchars($query);
 200                                 if ($die_on_error) {
 201                                         die("Query <i>$query</i> failed: " . ($link ? function_exists("mysqli_connect") ? mysqli_error($link) : mysql_error($link) : "No connection"));
 202                                 }
 203                         }
 204                         return $result;
 205                 }
 206         }
 207
 208         function make_self_url_path() {
 209                 $url_path = ((!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on") ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
 210
 211                 return $url_path;
 212         }
 213
 214 ?>
 215
 216 <div class="floatingLogo"><img src="../images/logo_small.png"></div>
 217
 218 <h1>Tiny Tiny RSS Installer</h1>
 219
 220 <div class='content'>
 221
 222 <?php
 223
 224         if (file_exists("../config.php")) {
 225                 require "../config.php";
 226
 227                 if (!defined('_INSTALLER_IGNORE_CONFIG_CHECK')) {
 228                         print_error("Error: config.php already exists in tt-rss directory; aborting.");
 229                         exit;
 230                 }
 231         }
 232
 233         @$op = $_REQUEST['op'];
 234
 235         @$DB_HOST = strip_tags($_POST['DB_HOST']);
 236         @$DB_TYPE = strip_tags($_POST['DB_TYPE']);
 237         @$DB_USER = strip_tags($_POST['DB_USER']);
 238         @$DB_NAME = strip_tags($_POST['DB_NAME']);
 239         @$DB_PASS = strip_tags($_POST['DB_PASS']);
 240         @$DB_PORT = strip_tags($_POST['DB_PORT']);
 241         @$SELF_URL_PATH = strip_tags($_POST['SELF_URL_PATH']);
 242
 243         if (!$SELF_URL_PATH) {
 244                 $SELF_URL_PATH = preg_replace("/\/install\/$/", "/", make_self_url_path());
 245         }
 246 ?>
 247
 248 <form action="" method="post">
 249 <input type="hidden" name="op" value="testconfig">
 250
 251 <h2>Database settings</h2>
 252
 253 <?php
 254         $issel_pgsql = $DB_TYPE == "pgsql" ? "selected" : "";
 255         $issel_mysql = $DB_TYPE == "mysql" ? "selected" : "";
 256 ?>
 257
 258 <fieldset>
 259         <label>Database type</label>
 260         <select name="DB_TYPE">
 261                 <option <?php echo $issel_pgsql ?> value="pgsql">PostgreSQL</option>
 262                 <option <?php echo $issel_mysql ?> value="mysql">MySQL</option>
 263         </select>
 264 </fieldset>
 265
 266 <fieldset>
 267         <label>Username</label>
 268         <input required name="DB_USER" size="20" value="<?php echo $DB_USER ?>"/>
 269 </fieldset>
 270
 271 <fieldset>
 272         <label>Password</label>
 273         <input name="DB_PASS" size="20" type="password" value="<?php echo $DB_PASS ?>"/>
 274 </fieldset>
 275
 276 <fieldset>
 277         <label>Database name</label>
 278         <input required name="DB_NAME" size="20" value="<?php echo $DB_NAME ?>"/>
 279 </fieldset>
 280
 281 <fieldset>
 282         <label>Host name</label>
 283         <input name="DB_HOST" size="20" value="<?php echo $DB_HOST ?>"/>
 284         <span class="hint">If needed</span>
 285 </fieldset>
 286
 287 <fieldset>
 288         <label>Port</label>
 289         <input name="DB_PORT" type="number" size="20" value="<?php echo $DB_PORT ?>"/>
 290         <span class="hint">Usually 3306 for MySQL or 5432 for PostgreSQL</span>
 291 </fieldset>
 292
 293 <h2>Other settings</h2>
 294
 295 <p>This should be set to the location your Tiny Tiny RSS will be available on.</p>
 296
 297 <fieldset>
 298         <label>Tiny Tiny RSS URL</label>
 299         <input type="url" name="SELF_URL_PATH" placeholder="<?php echo $SELF_URL_PATH; ?>" size="60" value="<?php echo $SELF_URL_PATH ?>"/>
 300 </fieldset>
 301
 302
 303 <p><input type="submit" value="Test configuration"></p>
 304
 305 </form>
 306
 307 <?php if ($op == 'testconfig') { ?>
 308
 309         <h2>Checking configuration</h2>
 310
 311         <?php
 312                 $errors = sanity_check($DB_TYPE);
 313
 314                 if (count($errors) > 0) {
 315                         print "<p>Some configuration tests failed. Please correct them before continuing.</p>";
 316
 317                         print "<ul>";
 318
 319                         foreach ($errors as $error) {
 320                                 print "<li style='color : red'>$error</li>";
 321                         }
 322
 323                         print "</ul>";
 324
 325                         exit;
 326                 }
 327
 328                 $notices = array();
 329
 330                 if (!function_exists("curl_init")) {
 331                         array_push($notices, "It is highly recommended to enable support for CURL in PHP.");
 332                 }
 333
 334                 if (count($notices) > 0) {
 335                         print_notice("Configuration check succeeded with minor problems:");
 336
 337                         print "<ul>";
 338
 339                         foreach ($notices as $notice) {
 340                                 print "<li>$notice</li>";
 341                         }
 342
 343                         print "</ul>";
 344                 } else {
 345                         print_notice("Configuration check succeeded.");
 346                 }
 347
 348         ?>
 349
 350         <h2>Checking database</h2>
 351
 352         <?php
 353                 $link = db_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT);
 354
 355                 if (!$link) {
 356                         print_error("Unable to connect to database using specified parameters.");
 357                         exit;
 358                 }
 359
 360                 print_notice("Database test succeeded."); ?>
 361
 362                         <h2>Initialize database</h2>
 363
 364                         <p>Before you can start using tt-rss, database needs to be initialized. Click on the button below to do that now.</p>
 365
 366                         <?php
 367                                 $result = @db_query($link, "SELECT true FROM ttrss_feeds", $DB_TYPE, false);
 368
 369                                 if ($result) {
 370                                         print_error("Existing tt-rss tables will be removed from the database. If you would like to keep your data, skip database initialization.");
 371                                         $need_confirm = true;
 372                                 } else {
 373                                         $need_confirm = false;
 374                                 }
 375                         ?>
 376
 377                         <table><tr><td>
 378                         <form method="post">
 379                                 <input type="hidden" name="op" value="installschema">
 380
 381                                 <input type="hidden" name="DB_USER" value="<?php echo $DB_USER ?>"/>
 382                                 <input type="hidden" name="DB_PASS" value="<?php echo $DB_PASS ?>"/>
 383                                 <input type="hidden" name="DB_NAME" value="<?php echo $DB_NAME ?>"/>
 384                                 <input type="hidden" name="DB_HOST" value="<?php echo $DB_HOST ?>"/>
 385                                 <input type="hidden" name="DB_PORT" value="<?php echo $DB_PORT ?>"/>
 386                                 <input type="hidden" name="DB_TYPE" value="<?php echo $DB_TYPE ?>"/>
 387                                 <input type="hidden" name="SELF_URL_PATH" value="<?php echo $SELF_URL_PATH ?>"/>
 388
 389                                 <?php if ($need_confirm) { ?>
 390                                         <p><input onclick="return confirm('Please read the warning above. Continue?')" type="submit" value="Initialize database" style="color : red"></p>
 391                                 <?php } else { ?>
 392                                         <p><input type="submit" value="Initialize database" style="color : red"></p>
 393                                 <?php } ?>
 394                         </form>
 395
 396                         </td><td>
 397                         <form method="post">
 398                                 <input type="hidden" name="DB_USER" value="<?php echo $DB_USER ?>"/>
 399                                 <input type="hidden" name="DB_PASS" value="<?php echo $DB_PASS ?>"/>
 400                                 <input type="hidden" name="DB_NAME" value="<?php echo $DB_NAME ?>"/>
 401                                 <input type="hidden" name="DB_HOST" value="<?php echo $DB_HOST ?>"/>
 402                                 <input type="hidden" name="DB_PORT" value="<?php echo $DB_PORT ?>"/>
 403                                 <input type="hidden" name="DB_TYPE" value="<?php echo $DB_TYPE ?>"/>
 404                                 <input type="hidden" name="SELF_URL_PATH" value="<?php echo $SELF_URL_PATH ?>"/>
 405
 406                                 <input type="hidden" name="op" value="skipschema">
 407                                 <p><input type="submit" value="Skip initialization"></p>
 408                         </form>
 409
 410                         </td></tr></table>
 411
 412                         <?php
 413
 414                 } else if ($op == 'installschema' || $op == 'skipschema') {
 415
 416                         $link = db_connect($DB_HOST, $DB_USER, $DB_PASS, $DB_NAME, $DB_TYPE, $DB_PORT);
 417
 418                         if (!$link) {
 419                                 print_error("Unable to connect to database using specified parameters.");
 420                                 exit;
 421                         }
 422
 423                         if ($op == 'installschema') {
 424
 425                                 print "<h2>Initializing database...</h2>";
 426
 427                                 $lines = explode(";", preg_replace("/[\r\n]/", "", file_get_contents("../schema/ttrss_schema_".basename($DB_TYPE).".sql")));
 428
 429                                 foreach ($lines as $line) {
 430                                         if (strpos($line, "--") !== 0 && $line) {
 431                                                 db_query($link, $line, $DB_TYPE);
 432                                         }
 433                                 }
 434
 435                                 print_notice("Database initialization completed.");
 436
 437                         } else {
 438                                 print_notice("Database initialization skipped.");
 439                         }
 440
 441                         print "<h2>Generated configuration file</h2>";
 442
 443                         print "<p>Copy following text and save as <code>config.php</code> in tt-rss main directory. It is suggested to read through the file to the end in case you need any options changed fom default values.</p>";
 444
 445                         print "<p>After copying the file, you will be able to login with default username and password combination: <code>admin</code> and <code>password</code>. Don't forget to change the password immediately!</p>"; ?>
 446
 447                         <form action="" method="post">
 448                                 <input type="hidden" name="op" value="saveconfig">
 449                                 <input type="hidden" name="DB_USER" value="<?php echo $DB_USER ?>"/>
 450                                 <input type="hidden" name="DB_PASS" value="<?php echo $DB_PASS ?>"/>
 451                                 <input type="hidden" name="DB_NAME" value="<?php echo $DB_NAME ?>"/>
 452                                 <input type="hidden" name="DB_HOST" value="<?php echo $DB_HOST ?>"/>
 453                                 <input type="hidden" name="DB_PORT" value="<?php echo $DB_PORT ?>"/>
 454                                 <input type="hidden" name="DB_TYPE" value="<?php echo $DB_TYPE ?>"/>
 455                                 <input type="hidden" name="SELF_URL_PATH" value="<?php echo $SELF_URL_PATH ?>"/>
 456                         <?php print "<textarea cols=\"80\" rows=\"20\">";
 457                         echo make_config($DB_TYPE, $DB_HOST, $DB_USER, $DB_NAME, $DB_PASS,
 458                                 $DB_PORT, $SELF_URL_PATH);
 459                         print "</textarea>"; ?>
 460
 461                         <?php if (is_writable("..")) { ?>
 462                                 <p>We can also try saving the file automatically now.</p>
 463
 464                                 <p><input type="submit" value="Save configuration"></p>
 465                                 </form>
 466                         <?php } else {
 467                                 print_error("Unfortunately, parent directory is not writable, so we're unable to save config.php automatically.");
 468                         }
 469
 470                    print_notice("You can generate the file again by changing the form above.");
 471
 472                 } else if ($op == "saveconfig") {
 473
 474                         print "<h2>Saving configuration file to parent directory...</h2>";
 475
 476                         if (!file_exists("../config.php")) {
 477
 478                                 $fp = fopen("../config.php", "w");
 479
 480                                 if ($fp) {
 481                                         $written = fwrite($fp, make_config($DB_TYPE, $DB_HOST,
 482                                                 $DB_USER, $DB_NAME, $DB_PASS,
 483                                                 $DB_PORT, $SELF_URL_PATH));
 484
 485                                         if ($written > 0) {
 486                                                 print_notice("Successfully saved config.php. You can try <a href=\"..\">loading tt-rss now</a>.");
 487
 488                                         } else {
 489                                                 print_notice("Unable to write into config.php in tt-rss directory.");
 490                                         }
 491
 492                                         fclose($fp);
 493                                 } else {
 494                                         print_error("Unable to open config.php in tt-rss directory for writing.");
 495                                 }
 496                         } else {
 497                                 print_error("config.php already present in tt-rss directory, refusing to overwrite.");
 498                         }
 499                 }
 500         ?>
 501
 502 </div>
 503
 504 </body>
 505 </html>