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