install/wallabag_compatibility_test.php

   1 <?php
   2 /**
   3  * wallabag, self hostable application allowing you to not miss any content anymore
   4  *
   5  * @category   wallabag
   6  * @author     Nicolas Lœuillet <nicolas@loeuillet.org>
   7  * @copyright  2013
   8  * @license    http://opensource.org/licenses/MIT see COPYING file
   9  */
  10
  11 $app_name = 'wallabag';
  12
  13 $php_ok = (function_exists('version_compare') && version_compare(phpversion(), '5.3.3', '>='));
  14 $pcre_ok = extension_loaded('pcre');
  15 $zlib_ok = extension_loaded('zlib');
  16 $mbstring_ok = extension_loaded('mbstring');
  17 $dom_ok = extension_loaded('DOM');
  18 $iconv_ok = extension_loaded('iconv');
  19 $tidy_ok = function_exists('tidy_parse_string');
  20 $curl_ok = function_exists('curl_exec');
  21 $parse_ini_ok = function_exists('parse_ini_file');
  22 $parallel_ok = ((extension_loaded('http') && class_exists('HttpRequestPool')) || ($curl_ok && function_exists('curl_multi_init')));
  23 $allow_url_fopen_ok = (bool)ini_get('allow_url_fopen');
  24 $filter_ok = extension_loaded('filter');
  25 $gettext_ok = function_exists("gettext");
  26 $gd_ok = extension_loaded('gd');
  27
  28
  29 if (extension_loaded('xmlreader')) {
  30         $xml_ok = true;
  31 } elseif (extension_loaded('xml')) {
  32         $parser_check = xml_parser_create();
  33         xml_parse_into_struct($parser_check, '<foo>&amp;</foo>', $values);
  34         xml_parser_free($parser_check);
  35         $xml_ok = isset($values[0]['value']);
  36 } else {
  37         $xml_ok = false;
  38 }
  39
  40 header('Content-type: text/html; charset=UTF-8');
  41
  42 ?><!DOCTYPE html>
  43
  44 <html lang="en">
  45 <head>
  46 <title><?php echo $app_name; ?>: Server Compatibility Test</title>
  47
  48 <style type="text/css">
  49 body {
  50         font:14px/1.4em "Lucida Grande", Verdana, Arial, Helvetica, Clean, Sans, sans-serif;
  51         letter-spacing:0px;
  52         color:#333;
  53         margin:0;
  54         padding:0;
  55         background:#fff;
  56 }
  57
  58 div#site {
  59         width:550px;
  60         margin:20px auto 0 auto;
  61 }
  62
  63 a {
  64         color:#000;
  65         text-decoration:underline;
  66         padding:0 1px;
  67 }
  68
  69 a:hover {
  70         color:#fff;
  71         background-color:#333;
  72         text-decoration:none;
  73         padding:0 1px;
  74 }
  75
  76 p {
  77         margin:0;
  78         padding:5px 0;
  79 }
  80
  81 em {
  82         font-style:normal;
  83         background-color:#ffc;
  84         padding: 0.1em 0;
  85 }
  86
  87 ul, ol {
  88         margin:10px 0 10px 20px;
  89         padding:0 0 0 15px;
  90 }
  91
  92 ul li, ol li {
  93         margin:0 0 7px 0;
  94         padding:0 0 0 3px;
  95 }
  96
  97 h2 {
  98         font-size:18px;
  99         padding:0;
 100         margin:30px 0 20px 0;
 101 }
 102
 103 h3 {
 104         font-size:16px;
 105         padding:0;
 106         margin:20px 0 5px 0;
 107 }
 108
 109 h4 {
 110         font-size:14px;
 111         padding:0;
 112         margin:15px 0 5px 0;
 113 }
 114
 115 code {
 116         font-size:1.1em;
 117         background-color:#f3f3ff;
 118         color:#000;
 119 }
 120
 121 em strong {
 122     text-transform: uppercase;
 123 }
 124
 125 table#chart {
 126         border-collapse:collapse;
 127 }
 128
 129 table#chart th {
 130         background-color:#eee;
 131         padding:2px 3px;
 132         border:1px solid #fff;
 133 }
 134
 135 table#chart td {
 136         text-align:center;
 137         padding:2px 3px;
 138         border:1px solid #eee;
 139 }
 140
 141 table#chart tr.enabled td {
 142         /* Leave this alone */
 143 }
 144
 145 table#chart tr.disabled td,
 146 table#chart tr.disabled td a {
 147 }
 148
 149 table#chart tr.disabled td a {
 150         text-decoration:underline;
 151 }
 152
 153 div.chunk {
 154         margin:20px 0 0 0;
 155         padding:0 0 10px 0;
 156         border-bottom:1px solid #ccc;
 157 }
 158
 159 .footnote,
 160 .footnote a {
 161         font:10px/12px verdana, sans-serif;
 162         color:#aaa;
 163 }
 164
 165 .footnote em {
 166         background-color:transparent;
 167         font-style:italic;
 168 }
 169
 170 .good{
 171 background-color:#52CC5B;
 172 }
 173 .bad{
 174 background-color:#F74343;
 175 font-style:italic;
 176 font-weight: bold;
 177 }
 178 .pass{
 179 background-color:#FF9500;
 180 }
 181
 182 </style>
 183
 184 </head>
 185
 186 <body>
 187 <?php
 188 $frominstall = false;
 189 if (isset($_GET['from'])){
 190         if ($_GET['from'] == 'install'){
 191                 $frominstall = true;
 192                 }}
 193 ?>
 194 <div id="site">
 195         <div id="content">
 196
 197                 <div class="chunk">
 198                         <h2 style="text-align:center;"><?php echo $app_name; ?>: Compatibility Test</h2>
 199                         <table cellpadding="0" cellspacing="0" border="0" width="100%" id="chart">
 200                                 <thead>
 201                                         <tr>
 202                                                 <th>Test</th>
 203                                                 <th>Should Be</th>
 204                                                 <th>What You Have</th>
 205                                         </tr>
 206                                 </thead>
 207                                 <tbody>
 208                                         <tr class="<?php echo ($php_ok) ? 'enabled' : 'disabled'; ?>">
 209                                                 <td>PHP</td>
 210                                                 <td>5.3.3 or higher</td>
 211                                                 <td class="<?php echo ($php_ok) ? 'good' : 'disabled'; ?>"><?php echo phpversion(); ?></td>
 212                                         </tr>
 213                                         <tr class="<?php echo ($xml_ok) ? 'enabled' : 'disabled'; ?>">
 214                                                 <td><a href="http://php.net/xml">XML</a></td>
 215                                                 <td>Enabled</td>
 216                                                 <?php echo ($xml_ok) ? '<td class="good">Enabled, and sane</span>' : '<td class="bad">Disabled, or broken'; ?></td>
 217                                         </tr>
 218                                         <tr class="<?php echo ($pcre_ok) ? 'enabled' : 'disabled'; ?>">
 219                                                 <td><a href="http://php.net/pcre">PCRE</a></td>
 220                                                 <td>Enabled</td>
 221                                                 <?php echo ($pcre_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
 222                                         </tr>
 223 <!--                                    <tr class="<?php echo ($zlib_ok) ? 'enabled' : 'disabled'; ?>">
 224                                                 <td><a href="http://php.net/zlib">Zlib</a></td>
 225                                                 <td>Enabled</td>
 226                                                 <?php echo ($zlib_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
 227                                         </tr> -->
 228 <!--                                    <tr class="<?php echo ($mbstring_ok) ? 'enabled' : 'disabled'; ?>">
 229                                                 <td><a href="http://php.net/mbstring">mbstring</a></td>
 230                                                 <td>Enabled</td>
 231                                                 <?php echo ($mbstring_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
 232                                         </tr> -->
 233 <!--                                    <tr class="<?php echo ($iconv_ok) ? 'enabled' : 'disabled'; ?>">
 234                                                 <td><a href="http://php.net/iconv">iconv</a></td>
 235                                                 <td>Enabled</td>
 236                                                 <?php echo ($iconv_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
 237                                         </tr> -->
 238                                         <tr class="<?php echo ($dom_ok) ? 'enabled' : 'disabled'; ?>">
 239                                                 <td><a href="http://php.net/manual/en/book.dom.php">DOM / XML extension</a></td>
 240                                                 <td>Enabled</td>
 241                                                 <?php echo ($dom_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
 242                                         </tr>
 243                                         <tr class="<?php echo ($filter_ok) ? 'enabled' : 'disabled'; ?>">
 244                                                 <td><a href="http://uk.php.net/manual/en/book.filter.php">Data filtering</a></td>
 245                                                 <td>Enabled</td>
 246                                                 <?php echo ($filter_ok) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
 247                                         </tr>
 248                                         <tr class="<?php echo ($gd_ok) ? 'enabled' : 'disabled'; ?>">
 249                                                 <td><a href="http://php.net/manual/en/book.image.php">GD</a></td>
 250                                                 <td>Enabled</td>
 251                                                 <?php echo ($gd_ok) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
 252                                         </tr>
 253                                         <tr class="<?php echo ($tidy_ok) ? 'enabled' : 'disabled'; ?>">
 254                                                 <td><a href="http://php.net/tidy">Tidy</a></td>
 255                                                 <td>Enabled</td>
 256                                                 <?php echo ($tidy_ok) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
 257                                         </tr>
 258                                         <tr class="<?php echo ($curl_ok) ? 'enabled' : 'disabled'; ?>">
 259                                                 <td><a href="http://php.net/curl">cURL</a></td>
 260                                                 <td>Enabled</td>
 261                                                 <?php echo (extension_loaded('curl')) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
 262                                         </tr>
 263                     <tr class="<?php echo ($parse_ini_ok) ? 'enabled' : 'disabled'; ?>">
 264                         <td><a href="http://uk.php.net/manual/en/function.parse-ini-file.php">Parse ini file</td>
 265                         <td>Enabled</td>
 266                         <?php echo ($parse_ini_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
 267                     </tr>
 268                                         <tr class="<?php echo ($parallel_ok) ? 'enabled' : 'disabled'; ?>">
 269                                                 <td>Parallel URL fetching</td>
 270                                                 <td>Enabled</td>
 271                                                 <?php echo ($parallel_ok) ? '<td class="good">Enabled' : '<td class="pass">Disabled'; ?></td>
 272                                         </tr>
 273                                         <tr class="<?php echo ($allow_url_fopen_ok) ? 'enabled' : 'disabled'; ?>">
 274                                                 <td><a href="http://www.php.net/manual/en/filesystem.configuration.php#ini.allow-url-fopen">allow_url_fopen</a></td>
 275                                                 <td>Enabled</td>
 276                                                 <?php echo ($allow_url_fopen_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
 277                                         </tr>
 278                                         <tr class="<?php echo ($gettext_ok) ? 'enabled' : 'disabled'; ?>">
 279                                                 <td><a href="http://php.net/manual/en/book.gettext.php">gettext</a></td>
 280                                                 <td>Enabled</td>
 281                                                 <?php echo ($gettext_ok) ? '<td class="good">Enabled' : '<td class="bad">Disabled'; ?></td>
 282                                         </tr>
 283                                 </tbody>
 284                         </table>
 285                 </div>
 286
 287                 <div class="chunk">
 288                         <h3>What does this mean?</h3>
 289                         <ol>
 290                                 <?php //if ($php_ok && $xml_ok && $pcre_ok && $mbstring_ok && $iconv_ok && $filter_ok && $zlib_ok && $tidy_ok && $curl_ok && $parallel_ok && $allow_url_fopen_ok): ?>
 291                                 <?php if ($php_ok && $xml_ok && $pcre_ok && $dom_ok && $filter_ok && $gd_ok && $tidy_ok && $curl_ok && $parallel_ok && $allow_url_fopen_ok && $gettext_ok && $parse_ini_ok): ?>
 292                                 <li><em>You have everything you need to run <?php echo $app_name; ?> properly!  Congratulations!</em></li>
 293                                 <?php else: ?>
 294                                         <?php if ($php_ok): ?>
 295                                                 <li><strong>PHP:</strong> You are running a supported version of PHP.  <em>No problems here.</em></li>
 296                                                 <?php if ($xml_ok): ?>
 297                                                         <li><strong>XML:</strong> You have XMLReader support or a version of XML support that isn't broken installed.  <em>No problems here.</em></li>
 298                                                         <?php if ($pcre_ok): ?>
 299                                                                 <li><strong>PCRE:</strong> You have PCRE support installed. <em>No problems here.</em></li>
 300
 301                                                                 <?php if ($allow_url_fopen_ok): ?>
 302                                                                         <li><strong>allow_url_fopen:</strong> You have allow_url_fopen enabled. <em>No problems here.</em></li>
 303
 304                                                                         <?php if ($gettext_ok): ?>
 305                                                                                 <li><strong>Gettext:</strong> You have <code>gettext</code> enabled. <em>No problems here.</em></li>
 306
 307                                         <?php if ($parse_ini_ok): ?>
 308                                                 <li><strong>Parse ini:</strong> You can parse <em>ini</em> files. <em>No problems here.</em></li>
 309
 310                                                 <?php if ($dom_ok): ?>
 311                                                         <li><strong>DOM/XML:</strong> You can parse <em>ini</em> files. <em>No problems here.</em></li>
 312
 313                                                     <?php if ($filter_ok): ?>
 314                                                         <li><strong>Data filtering:</strong> You can use the PHP build-in DOM to operate on XML documents. <em>No problems here.</em></li>
 315
 316                                                         <?php if ($zlib_ok): ?>
 317                                                             <li><strong>Zlib:</strong> You have <code>Zlib</code> enabled.  This allows SimplePie to support GZIP-encoded feeds.  <em>No problems here.</em></li>
 318                                                         <?php else: ?>
 319                                                             <li><strong>Zlib:</strong> The <code>Zlib</code> extension is not available.  SimplePie will ignore any GZIP-encoding, and instead handle feeds as uncompressed text.</li>
 320                                                         <?php endif; ?>
 321
 322                                                         <?php if ($mbstring_ok && $iconv_ok): ?>
 323                                                             <li><strong>mbstring and iconv:</strong> You have both <code>mbstring</code> and <code>iconv</code> installed!  This will allow <?php echo $app_name; ?> to handle the greatest number of languages. <em>No problems here.</em></li>
 324                                                         <?php elseif ($mbstring_ok): ?>
 325                                                             <li><strong>mbstring:</strong> <code>mbstring</code> is installed, but <code>iconv</code> is not.</li>
 326                                                         <?php elseif ($iconv_ok): ?>
 327                                                             <li><strong>iconv:</strong> <code>iconv</code> is installed, but <code>mbstring</code> is not.</li>
 328                                                         <?php else: ?>
 329                                                             <li><strong>mbstring and iconv:</strong> <em>You do not have either of the extensions installed.</em> This will significantly impair your ability to read non-English feeds, as well as even some English ones.</li>
 330                                                         <?php endif; ?>
 331
 332                                                         <?php if ($gd_ok): ?>
 333                                                             <li><strong>GD:</strong> You have <code>GD</code> support installed.  <em>No problems here.</em></li>
 334                                                         <?php else: ?>
 335                                                             <li><strong>GD:</strong> The <code>GD</code> extension is not available.  <?php echo $app_name; ?> will not be able to download pictures locally on your server.</li>
 336                                                         <?php endif; ?>
 337
 338                                                         <?php if ($tidy_ok): ?>
 339                                                             <li><strong>Tidy:</strong> You have <code>Tidy</code> support installed.  <em>No problems here.</em></li>
 340                                                         <?php else: ?>
 341                                                             <li><strong>Tidy:</strong> The <code>Tidy</code> extension is not available.  <?php echo $app_name; ?> should still work with most feeds, but you may experience problems with some. You can install it with <code>sudo apt-get install php5-tidy</code> and then reload Apache <code>sudo service apache2 reload</code>.</li>
 342                                                         <?php endif; ?>
 343
 344                                                         <?php if ($curl_ok): ?>
 345                                                             <li><strong>cURL:</strong> You have <code>cURL</code> support installed.  <em>No problems here.</em></li>
 346                                                         <?php else: ?>
 347                                                             <li><strong>cURL:</strong> The <code>cURL</code> extension is not available.  SimplePie will use <code>fsockopen()</code> instead.</li>
 348                                                         <?php endif; ?>
 349
 350                                                         <?php if ($parallel_ok): ?>
 351                                                             <li><strong>Parallel URL fetching:</strong> You have <code>HttpRequestPool</code> or <code>curl_multi</code> support installed.  <em>No problems here.</em></li>
 352                                                         <?php else: ?>
 353                                                             <li><strong>Parallel URL fetching:</strong> <code>HttpRequestPool</code> or <code>curl_multi</code> support is not available.  <?php echo $app_name; ?> will use <code>file_get_contents()</code> instead to fetch URLs sequentially rather than in parallel.</li>
 354                                                         <?php endif; ?>
 355
 356                                                         <?php else: ?>
 357                                                             <li><strong>Data filtering:</strong> Your PHP configuration has the filter extension disabled.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
 358                                                         <?php endif; ?>
 359
 360                                                     <?php else: ?>
 361                                                         <li><strong>DOM/XML:</strong> Your PHP configuration isn't standard, you're missing PHP-DOM.  You may try to install a package or recompile PHP. <strong><?php echo $app_name; ?> will not work here.</strong></li>
 362                                                 <?php endif; ?>
 363
 364                                         <?php else : ?>
 365                                             <li><strong>Parse ini files function :</strong> Bad luck : your webhost has decided to block the use of the <em>parse_ini_file</em> function. <strong><?php echo $app_name; ?> will not work here.</strong>
 366                                         <?php endif; ?>
 367
 368                                                                         <?php else: ?>
 369                                                                                 <li><strong>GetText:</strong> The <code>gettext</code> extension is not available. The system we use to display wallabag in various languages is not available. <strong><?php echo $app_name; ?> will not work here.</strong></li>
 370                                                                         <?php endif; ?>
 371
 372                                                                 <?php else: ?>
 373                                                                         <li><strong>allow_url_fopen:</strong> Your PHP configuration has allow_url_fopen disabled.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
 374                                                                 <?php endif; ?>
 375
 376                                                         <?php else: ?>
 377                                                                 <li><strong>PCRE:</strong> Your PHP installation doesn't support Perl-Compatible Regular Expressions.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
 378                                                         <?php endif; ?>
 379                                                 <?php else: ?>
 380                                                         <li><strong>XML:</strong> Your PHP installation doesn't support XML parsing.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
 381                                                 <?php endif; ?>
 382                                         <?php else: ?>
 383                                                 <li><strong>PHP:</strong> You are running an unsupported version of PHP.  <strong><?php echo $app_name; ?> will not work here.</strong></li>
 384                                         <?php endif; ?>
 385                                 <?php endif; ?>
 386                         </ol>
 387                 </div>
 388
 389                 <div class="chunk">
 390                         <?php //if ($php_ok && $xml_ok && $pcre_ok && $mbstring_ok && $iconv_ok && $filter_ok && $allow_url_fopen_ok) { ?>
 391                         <?php if ($php_ok && $xml_ok && $pcre_ok && $filter_ok && $allow_url_fopen_ok && $gettext_ok && $parse_ini_ok) { ?>
 392                                 <h3>Bottom Line: Yes, you can!</h3>
 393                                 <p><em>Your webhost has its act together!</em></p>
 394                                 <?php if (!$frominstall) { ?>
 395                                 <p>You can download the latest version of <?php echo $app_name; ?> from <a href="http://wallabag.org/download">wallabag.org</a>.</p>
 396                                 <p>If you already have done that, you should access <a href="index.php">the index.php file</a> of your installation to configure and/or start using wallabag</p>
 397                                 <?php } else { ?>
 398                                 <p>You can now <a href="../index.php">return to the installation section</a>.</p>
 399                                 <?php } ?>
 400                                 <p><strong>Note</strong>: Passing this test does not guarantee that <?php echo $app_name; ?> will run on your webhost &mdash; it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.</p>
 401                         <?php //} else if ($php_ok && $xml_ok && $pcre_ok && $mbstring_ok && $allow_url_fopen_ok && $filter_ok) { ?>
 402                         <?php } else if ($php_ok && $xml_ok && $pcre_ok && $allow_url_fopen_ok && $filter_ok && $gettext_ok && $parse_ini_ok) { ?>
 403                                 <h3>Bottom Line: Yes, you can!</h3>
 404                                 <p><em>For most feeds, it'll run with no problems.</em> There are certain languages that you might have a hard time with though.</p>
 405                                 <?php if (!$frominstall) { ?>
 406                                 <p>You can download the latest version of <?php echo $app_name; ?> from <a href="http://wallabag.org/download">wallabag.org</a>.</p>
 407                                 <p>If you already have done that, you should access <a href="index.php">the index.php file</a> of your installation to configure and/or start using wallabag</p>
 408                                 <?php } else { ?>
 409                                 <p>You can now <a href="../index.php">return to the installation section</a>.</p>
 410                                 <?php } ?>
 411                                 <p><strong>Note</strong>: Passing this test does not guarantee that <?php echo $app_name; ?> will run on your webhost &mdash; it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.</p>
 412                         <?php } else { ?>
 413                                 <h3>Bottom Line: We're sorry…</h3>
 414                                 <p><em>Your webhost does not support the minimum requirements for <?php echo $app_name; ?>.</em>  It may be a good idea to contact your webhost and point them to the results of this test. They may be able to enable/install the required components.</p>
 415                         <?php } ?>
 416                 </div>
 417
 418                 <div class="chunk">
 419                         <p class="footnote">This compatibility test has been borrowed (and slightly adapted by <a href="http://fivefilters.org/content-only/">fivefilters.org</a>) from the one supplied by <a href="http://simplepie.org/">SimplePie.org</a>.</a></p>
 420                 </div>
 421
 422         </div>
 423
 424 </div>
 425
 426 </body>
 427 </html>