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Latest piece of the SimplePie. See http://simplepie.org/docs/misc/release-notes/beta3/ for features/fixes
| 1 | <?php |
| 2 | /**************************************************** |
| 3 | SIMPLEPIE |
| 4 | A PHP-Based RSS and Atom Feed Framework |
| 5 | Takes the hard work out of managing a complete RSS/Atom solution. |
| 6 | |
| 7 | Version: "Lemon Meringue" |
| 8 | Updated: 24 November 2006 |
| 9 | Copyright: 2004-2006 Ryan Parman, Geoffrey Sneddon |
| 10 | http://simplepie.org |
| 11 | |
| 12 | ***************************************************** |
| 13 | LICENSE: |
| 14 | |
| 15 | GNU Lesser General Public License 2.1 (LGPL) |
| 16 | http://creativecommons.org/licenses/LGPL/2.1/ |
| 17 | |
| 18 | ***************************************************** |
| 19 | Please submit all bug reports and feature requests to the SimplePie forums. |
| 20 | http://simplepie.org/support/ |
| 21 | |
| 22 | ****************************************************/ |
| 23 | |
| 24 | class SimplePie |
| 25 | { |
| 26 | // SimplePie Info |
| 27 | var $name = 'SimplePie'; |
| 28 | var $version = '1.0 b3.2'; |
| 29 | var $build = '20061124'; |
| 30 | var $url = 'http://simplepie.org/'; |
| 31 | var $useragent; |
| 32 | var $linkback; |
| 33 | |
| 34 | // Other objects, instances created here so we can set options on them |
| 35 | var $sanitize; |
| 36 | |
| 37 | // Options |
| 38 | var $rss_url; |
| 39 | var $file; |
| 40 | var $timeout = 10; |
| 41 | var $xml_dump = false; |
| 42 | var $enable_cache = true; |
| 43 | var $max_minutes = 60; |
| 44 | var $cache_location = './cache'; |
| 45 | var $order_by_date = true; |
| 46 | var $input_encoding = false; |
| 47 | var $cache_class = 'SimplePie_Cache'; |
| 48 | var $locator_class = 'SimplePie_Locator'; |
| 49 | var $parser_class = 'SimplePie_Parser'; |
| 50 | var $file_class = 'SimplePie_File'; |
| 51 | var $force_fsockopen = false; |
| 52 | var $cache_name_type = 'sha1'; |
| 53 | |
| 54 | // Misc. variables |
| 55 | var $data; |
| 56 | var $error; |
| 57 | |
| 58 | function SimplePie($feed_url = null, $cache_location = null, $cache_max_minutes = null) |
| 59 | { |
| 60 | // Couple of variables built up from other variables |
| 61 | $this->useragent = $this->name . '/' . $this->version . ' (Feed Parser; ' . $this->url . '; Allow like Gecko) Build/' . $this->build; |
| 62 | $this->linkback = '<a href="' . $this->url . '" title="' . $this->name . ' ' . $this->version . '">' . $this->name . '</a>'; |
| 63 | |
| 64 | // Other objects, instances created here so we can set options on them |
| 65 | $this->sanitize = new SimplePie_Sanitize; |
| 66 | |
| 67 | // Set options if they're passed to the constructor |
| 68 | if (!is_null($feed_url)) |
| 69 | { |
| 70 | $this->feed_url($feed_url); |
| 71 | } |
| 72 | |
| 73 | if (!is_null($cache_location)) |
| 74 | { |
| 75 | $this->cache_location($cache_location); |
| 76 | } |
| 77 | |
| 78 | if (!is_null($cache_max_minutes)) |
| 79 | { |
| 80 | $this->cache_max_minutes($cache_max_minutes); |
| 81 | } |
| 82 | |
| 83 | // If we've passed an xmldump variable in the URL, snap into XMLdump mode |
| 84 | if (isset($_GET['xmldump'])) |
| 85 | { |
| 86 | $this->enable_xmldump(true); |
| 87 | } |
| 88 | |
| 89 | // Only init the script if we're passed a feed URL |
| 90 | if (!is_null($feed_url)) |
| 91 | { |
| 92 | return $this->init(); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | function feed_url($url) |
| 97 | { |
| 98 | $this->rss_url = SimplePie_Misc::fix_protocol($url, 1); |
| 99 | } |
| 100 | |
| 101 | function set_file(&$file) |
| 102 | { |
| 103 | if (is_a($file, 'SimplePie_File')) |
| 104 | { |
| 105 | $this->rss_url = $file->url; |
| 106 | $this->file =& $file; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | function set_timeout($timeout = 10) |
| 111 | { |
| 112 | $this->timeout = (int) $timeout; |
| 113 | } |
| 114 | |
| 115 | function set_raw_data($data) |
| 116 | { |
| 117 | $this->raw_data = trim((string) $data); |
| 118 | } |
| 119 | |
| 120 | function enable_xmldump($enable = false) |
| 121 | { |
| 122 | $this->xml_dump = (bool) $enable; |
| 123 | } |
| 124 | |
| 125 | function enable_caching($enable = true) |
| 126 | { |
| 127 | $this->enable_cache = (bool) $enable; |
| 128 | } |
| 129 | |
| 130 | function cache_max_minutes($minutes = 60) |
| 131 | { |
| 132 | $this->max_minutes = (float) $minutes; |
| 133 | } |
| 134 | |
| 135 | function cache_location($location = './cache') |
| 136 | { |
| 137 | $this->cache_location = (string) $location; |
| 138 | } |
| 139 | |
| 140 | function order_by_date($enable = true) |
| 141 | { |
| 142 | $this->order_by_date = (bool) $enable; |
| 143 | } |
| 144 | |
| 145 | function input_encoding($encoding = false) |
| 146 | { |
| 147 | if ($encoding) |
| 148 | { |
| 149 | $this->input_encoding = (string) $encoding; |
| 150 | } |
| 151 | else |
| 152 | { |
| 153 | $this->input_encoding = false; |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | function set_cache_class($class = 'SimplePie_Cache') |
| 158 | { |
| 159 | if (SimplePie_Misc::is_a_class($class, 'SimplePie_Cache')) |
| 160 | { |
| 161 | $this->cache_class = $class; |
| 162 | return true; |
| 163 | } |
| 164 | return false; |
| 165 | } |
| 166 | |
| 167 | function set_locator_class($class = 'SimplePie_Locator') |
| 168 | { |
| 169 | if (SimplePie_Misc::is_a_class($class, 'SimplePie_Locator')) |
| 170 | { |
| 171 | $this->locator_class = $class; |
| 172 | return true; |
| 173 | } |
| 174 | return false; |
| 175 | } |
| 176 | |
| 177 | function set_parser_class($class = 'SimplePie_Parser') |
| 178 | { |
| 179 | if (SimplePie_Misc::is_a_class($class, 'SimplePie_Parser')) |
| 180 | { |
| 181 | $this->parser_class = $class; |
| 182 | return true; |
| 183 | } |
| 184 | return false; |
| 185 | } |
| 186 | |
| 187 | function set_file_class($class = 'SimplePie_File') |
| 188 | { |
| 189 | if (SimplePie_Misc::is_a_class($class, 'SimplePie_File')) |
| 190 | { |
| 191 | $this->file_class = $class; |
| 192 | return true; |
| 193 | } |
| 194 | return false; |
| 195 | } |
| 196 | |
| 197 | function set_sanitize_class($object = 'SimplePie_Sanitize') |
| 198 | { |
| 199 | if (class_exists($object)) |
| 200 | { |
| 201 | $this->sanitize = new $object; |
| 202 | return true; |
| 203 | } |
| 204 | return false; |
| 205 | } |
| 206 | |
| 207 | function set_useragent($ua) |
| 208 | { |
| 209 | $this->useragent = (string) $ua; |
| 210 | } |
| 211 | |
| 212 | function force_fsockopen($enable = false) |
| 213 | { |
| 214 | $this->force_fsockopen = (bool) $enable; |
| 215 | } |
| 216 | |
| 217 | function set_cache_name_type($type = 'sha1') |
| 218 | { |
| 219 | $type = strtolower(trim($type)); |
| 220 | switch ($type) |
| 221 | { |
| 222 | case 'crc32': |
| 223 | $this->cache_name_type = 'crc32'; |
| 224 | break; |
| 225 | |
| 226 | case 'md5': |
| 227 | $this->cache_name_type = 'md5'; |
| 228 | break; |
| 229 | |
| 230 | case 'rawurlencode': |
| 231 | $this->cache_name_type = 'rawurlencode'; |
| 232 | break; |
| 233 | |
| 234 | case 'urlencode': |
| 235 | $this->cache_name_type = 'urlencode'; |
| 236 | break; |
| 237 | |
| 238 | default: |
| 239 | $this->cache_name_type = 'sha1'; |
| 240 | break; |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | function bypass_image_hotlink($get = false) |
| 245 | { |
| 246 | $this->sanitize->bypass_image_hotlink($get); |
| 247 | } |
| 248 | |
| 249 | function bypass_image_hotlink_page($page = false) |
| 250 | { |
| 251 | $this->sanitize->bypass_image_hotlink_page($page); |
| 252 | } |
| 253 | |
| 254 | function replace_headers($enable = false) |
| 255 | { |
| 256 | $this->sanitize->replace_headers($enable); |
| 257 | } |
| 258 | |
| 259 | function remove_div($enable = true) |
| 260 | { |
| 261 | $this->sanitize->remove_div($enable); |
| 262 | } |
| 263 | |
| 264 | function strip_ads($enable = false) |
| 265 | { |
| 266 | $this->sanitize->strip_ads($enable); |
| 267 | } |
| 268 | |
| 269 | function strip_htmltags($tags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'), $encode = null) |
| 270 | { |
| 271 | $this->sanitize->strip_htmltags($tags); |
| 272 | if (!is_null($encode)) |
| 273 | { |
| 274 | $this->sanitize->encode_instead_of_strip($tags); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | function encode_instead_of_strip($enable = true) |
| 279 | { |
| 280 | $this->sanitize->encode_instead_of_strip($enable); |
| 281 | } |
| 282 | |
| 283 | function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur')) |
| 284 | { |
| 285 | $this->sanitize->strip_attributes($attribs); |
| 286 | } |
| 287 | |
| 288 | function output_encoding($encoding = 'UTF-8') |
| 289 | { |
| 290 | $this->sanitize->output_encoding($encoding); |
| 291 | } |
| 292 | |
| 293 | function set_item_class($class = 'SimplePie_Item') |
| 294 | { |
| 295 | return $this->sanitize->set_item_class($class); |
| 296 | } |
| 297 | |
| 298 | function set_author_class($class = 'SimplePie_Author') |
| 299 | { |
| 300 | return $this->sanitize->set_author_class($class); |
| 301 | } |
| 302 | |
| 303 | function set_enclosure_class($class = 'SimplePie_Enclosure') |
| 304 | { |
| 305 | return $this->sanitize->set_enclosure_class($class); |
| 306 | } |
| 307 | |
| 308 | function init() |
| 309 | { |
| 310 | if (!(function_exists('version_compare') && ((version_compare(phpversion(), '4.3.2', '>=') && version_compare(phpversion(), '5', '<')) || version_compare(phpversion(), '5.0.3', '>='))) || !extension_loaded('xml') || !extension_loaded('pcre')) |
| 311 | { |
| 312 | return false; |
| 313 | } |
| 314 | if ($this->sanitize->bypass_image_hotlink && !empty($_GET[$this->sanitize->bypass_image_hotlink])) |
| 315 | { |
| 316 | if (get_magic_quotes_gpc()) |
| 317 | { |
| 318 | $_GET[$this->sanitize->bypass_image_hotlink] = stripslashes($_GET[$this->sanitize->bypass_image_hotlink]); |
| 319 | } |
| 320 | SimplePie_Misc::display_file($_GET[$this->sanitize->bypass_image_hotlink], 10, $this->useragent); |
| 321 | } |
| 322 | |
| 323 | if (isset($_GET['js'])) |
| 324 | { |
| 325 | $embed = <<<EOT |
| 326 | function embed_odeo(link) { |
| 327 | document.writeln('<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url='+link+'"></embed>'); |
| 328 | } |
| 329 | |
| 330 | function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) { |
| 331 | if (placeholder != '') { |
| 332 | document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); |
| 333 | } |
| 334 | else { |
| 335 | document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | function embed_flash(bgcolor, width, height, link, loop, type) { |
| 340 | document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>'); |
| 341 | } |
| 342 | |
| 343 | function embed_wmedia(width, height, link) { |
| 344 | document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>'); |
| 345 | } |
| 346 | EOT; |
| 347 | |
| 348 | if (function_exists('ob_gzhandler')) |
| 349 | { |
| 350 | ob_start('ob_gzhandler'); |
| 351 | } |
| 352 | header('Content-type: text/javascript; charset: UTF-8'); |
| 353 | header('Cache-Control: must-revalidate'); |
| 354 | header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 86400) . ' GMT'); |
| 355 | echo $embed; |
| 356 | exit; |
| 357 | } |
| 358 | |
| 359 | if (!empty($this->rss_url) || !empty($this->raw_data)) |
| 360 | { |
| 361 | $this->data = array(); |
| 362 | $cache = false; |
| 363 | |
| 364 | if (!empty($this->rss_url)) |
| 365 | { |
| 366 | // Decide whether to enable caching |
| 367 | if ($this->enable_cache && preg_match('/^http(s)?:\/\//i', $this->rss_url)) |
| 368 | { |
| 369 | $cache = new $this->cache_class($this->cache_location, call_user_func($this->cache_name_type, $this->rss_url), 'spc'); |
| 370 | } |
| 371 | // If it's enabled and we don't want an XML dump, use the cache |
| 372 | if ($cache && !$this->xml_dump) |
| 373 | { |
| 374 | // Load the Cache |
| 375 | $this->data = $cache->load(); |
| 376 | if (!empty($this->data)) |
| 377 | { |
| 378 | // If we've hit a collision just rerun it with caching disabled |
| 379 | if (isset($this->data['url']) && $this->data['url'] != $this->rss_url) |
| 380 | { |
| 381 | $cache = false; |
| 382 | } |
| 383 | // If we've got a feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL |
| 384 | else if (!empty($this->data['feed_url'])) |
| 385 | { |
| 386 | if ($this->data['feed_url'] == $this->data['url']) |
| 387 | { |
| 388 | $cache->unlink(); |
| 389 | } |
| 390 | else |
| 391 | { |
| 392 | $this->feed_url($this->data['feed_url']); |
| 393 | return $this->init(); |
| 394 | } |
| 395 | } |
| 396 | // If the cache is new enough |
| 397 | else if ($cache->mtime() + $this->max_minutes * 60 < time()) |
| 398 | { |
| 399 | // If we have last-modified and/or etag set |
| 400 | if (!empty($this->data['last-modified']) || !empty($this->data['etag'])) |
| 401 | { |
| 402 | $headers = array(); |
| 403 | if (!empty($this->data['last-modified'])) |
| 404 | { |
| 405 | $headers['if-modified-since'] = $this->data['last-modified']; |
| 406 | } |
| 407 | if (!empty($this->data['etag'])) |
| 408 | { |
| 409 | $headers['if-none-match'] = $this->data['etag']; |
| 410 | } |
| 411 | $file = new $this->file_class($this->rss_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen); |
| 412 | if ($file->success) |
| 413 | { |
| 414 | $headers = $file->headers(); |
| 415 | if ($headers['status']['code'] == 304) |
| 416 | { |
| 417 | $cache->touch(); |
| 418 | return true; |
| 419 | } |
| 420 | } |
| 421 | else |
| 422 | { |
| 423 | unset($file); |
| 424 | } |
| 425 | } |
| 426 | // If we don't have last-modified or etag set, just clear the cache |
| 427 | else |
| 428 | { |
| 429 | $cache->unlink(); |
| 430 | } |
| 431 | } |
| 432 | // If the cache is still valid, just return true |
| 433 | else |
| 434 | { |
| 435 | return true; |
| 436 | } |
| 437 | } |
| 438 | // If the cache is empty, delete it |
| 439 | else |
| 440 | { |
| 441 | $cache->unlink(); |
| 442 | } |
| 443 | } |
| 444 | $this->data = array(); |
| 445 | // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it. |
| 446 | if (!isset($file)) |
| 447 | { |
| 448 | if (is_a($this->file, 'SimplePie_File') && $this->file->url == $this->rss_url) |
| 449 | { |
| 450 | $file =& $this->file; |
| 451 | } |
| 452 | else |
| 453 | { |
| 454 | $file = new $this->file_class($this->rss_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen); |
| 455 | } |
| 456 | } |
| 457 | // If the file connection has an error, set SimplePie::error to that and quit |
| 458 | if (!$file->success) |
| 459 | { |
| 460 | $this->error = $file->error; |
| 461 | return false; |
| 462 | } |
| 463 | |
| 464 | // Check if the supplied URL is a feed, if it isn't, look for it. |
| 465 | $locate = new $this->locator_class($file, $this->timeout, $this->useragent); |
| 466 | if (!$locate->is_feed($file)) |
| 467 | { |
| 468 | $feed = $locate->find(); |
| 469 | if ($feed) |
| 470 | { |
| 471 | if ($cache && !$cache->save(array('url' => $this->rss_url, 'feed_url' => $feed))) |
| 472 | { |
| 473 | $this->error = "$cache->name is not writeable"; |
| 474 | SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__); |
| 475 | } |
| 476 | $this->rss_url = $feed; |
| 477 | return $this->init(); |
| 478 | } |
| 479 | else |
| 480 | { |
| 481 | $this->error = "A feed could not be found at $this->rss_url"; |
| 482 | SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__); |
| 483 | return false; |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | $headers = $file->headers(); |
| 488 | $data = trim($file->body()); |
| 489 | $file->close(); |
| 490 | unset($file); |
| 491 | } |
| 492 | else |
| 493 | { |
| 494 | $data = $this->raw_data; |
| 495 | } |
| 496 | |
| 497 | // First check to see if input has been overridden. |
| 498 | if (!empty($this->input_encoding)) |
| 499 | { |
| 500 | $encoding = $this->input_encoding; |
| 501 | } |
| 502 | // Second try HTTP headers |
| 503 | else if (!empty($headers['content-type']) && preg_match('/charset\s*=\s*([^;]*)/i', $headers['content-type'], $charset)) |
| 504 | { |
| 505 | $encoding = $charset[1]; |
| 506 | } |
| 507 | // Then prolog, if at the very start of the document |
| 508 | else if (preg_match('/^<\?xml(.*)?>/msiU', $data, $prolog) && preg_match('/encoding\s*=\s*("([^"]*)"|\'([^\']*)\')/Ui', $prolog[1], $encoding)) |
| 509 | { |
| 510 | $encoding = substr($encoding[1], 1, -1); |
| 511 | } |
| 512 | // UTF-32 Big Endian BOM |
| 513 | else if (strpos($data, sprintf('%c%c%c%c', 0x00, 0x00, 0xFE, 0xFF)) === 0) |
| 514 | { |
| 515 | $encoding = 'UTF-32be'; |
| 516 | } |
| 517 | // UTF-32 Little Endian BOM |
| 518 | else if (strpos($data, sprintf('%c%c%c%c', 0xFF, 0xFE, 0x00, 0x00)) === 0) |
| 519 | { |
| 520 | $encoding = 'UTF-32'; |
| 521 | } |
| 522 | // UTF-16 Big Endian BOM |
| 523 | else if (strpos($data, sprintf('%c%c', 0xFE, 0xFF)) === 0) |
| 524 | { |
| 525 | $encoding = 'UTF-16be'; |
| 526 | } |
| 527 | // UTF-16 Little Endian BOM |
| 528 | else if (strpos($data, sprintf('%c%c', 0xFF, 0xFE)) === 0) |
| 529 | { |
| 530 | $encoding = 'UTF-16le'; |
| 531 | } |
| 532 | // UTF-8 BOM |
| 533 | else if (strpos($data, sprintf('%c%c%c', 0xEF, 0xBB, 0xBF)) === 0) |
| 534 | { |
| 535 | $encoding = 'UTF-8'; |
| 536 | } |
| 537 | // Fallback to the default |
| 538 | else |
| 539 | { |
| 540 | $encoding = null; |
| 541 | } |
| 542 | |
| 543 | // Change the encoding to UTF-8 (as we always use UTF-8 internally) |
| 544 | $data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8'); |
| 545 | |
| 546 | // Strip illegal characters (if on less than PHP5, as on PHP5 expat can manage fine) |
| 547 | if (version_compare(phpversion(), '5', '<')) |
| 548 | { |
| 549 | if (function_exists('iconv')) |
| 550 | { |
| 551 | $data = iconv('UTF-8', 'UTF-8//IGNORE', $data); |
| 552 | } |
| 553 | else if (function_exists('mb_convert_encoding')) |
| 554 | { |
| 555 | $data = mb_convert_encoding($data, 'UTF-8', 'UTF-8'); |
| 556 | } |
| 557 | else |
| 558 | { |
| 559 | $data = SimplePie_Misc::utf8_bad_replace($data); |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | // Start parsing |
| 564 | $data = new $this->parser_class($data, 'UTF-8', $this->xml_dump); |
| 565 | // If we want the XML, just output that and quit |
| 566 | if ($this->xml_dump) |
| 567 | { |
| 568 | header('Content-type: text/xml; charset=UTF-8'); |
| 569 | echo $data->data; |
| 570 | exit; |
| 571 | } |
| 572 | // If it's parsed fine |
| 573 | else if (!$data->error_code) |
| 574 | { |
| 575 | // Parse the data, and make it sane |
| 576 | $this->sanitize->parse_data_array($data->data, $this->rss_url); |
| 577 | unset($data); |
| 578 | // Get the sane data |
| 579 | $this->data['feedinfo'] = $this->sanitize->feedinfo; |
| 580 | unset($this->sanitize->feedinfo); |
| 581 | $this->data['info'] = $this->sanitize->info; |
| 582 | unset($this->sanitize->info); |
| 583 | $this->data['items'] = $this->sanitize->items; |
| 584 | unset($this->sanitize->items); |
| 585 | $this->data['feedinfo']['encoding'] = $this->sanitize->output_encoding; |
| 586 | $this->data['url'] = $this->rss_url; |
| 587 | |
| 588 | // Store the headers that we need |
| 589 | if (!empty($headers['last-modified'])) |
| 590 | { |
| 591 | $this->data['last-modified'] = $headers['last-modified']; |
| 592 | } |
| 593 | if (!empty($headers['etag'])) |
| 594 | { |
| 595 | $this->data['etag'] = $headers['etag']; |
| 596 | } |
| 597 | |
| 598 | // If we want to order it by date, check if all items have a date, and then sort it |
| 599 | if ($this->order_by_date && !empty($this->data['items'])) |
| 600 | { |
| 601 | $do_sort = true; |
| 602 | foreach ($this->data['items'] as $item) |
| 603 | { |
| 604 | if (!$item->get_date('U')) |
| 605 | { |
| 606 | $do_sort = false; |
| 607 | break; |
| 608 | } |
| 609 | } |
| 610 | if ($do_sort) |
| 611 | { |
| 612 | usort($this->data['items'], create_function('$a, $b', 'if ($a->get_date(\'U\') == $b->get_date(\'U\')) return 1; return ($a->get_date(\'U\') < $b->get_date(\'U\')) ? 1 : -1;')); |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | // Cache the file if caching is enabled |
| 617 | if ($cache && !$cache->save($this->data)) |
| 618 | { |
| 619 | $this->error = "$cache->name is not writeable"; |
| 620 | SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__); |
| 621 | } |
| 622 | return true; |
| 623 | } |
| 624 | // If we have an error, just set SimplePie::error to it and quit |
| 625 | else |
| 626 | { |
| 627 | $this->error = "XML error: $data->error_string at line $data->current_line, column $data->current_column"; |
| 628 | SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__); |
| 629 | return false; |
| 630 | } |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | function get_encoding() |
| 635 | { |
| 636 | if (!empty($this->data['feedinfo']['encoding'])) |
| 637 | { |
| 638 | return $this->data['feedinfo']['encoding']; |
| 639 | } |
| 640 | else |
| 641 | { |
| 642 | return false; |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | function handle_content_type($mime = 'text/html') |
| 647 | { |
| 648 | if (!headers_sent()) |
| 649 | { |
| 650 | $header = "Content-type: $mime;"; |
| 651 | if ($this->get_encoding()) |
| 652 | { |
| 653 | $header .= ' charset=' . $this->get_encoding(); |
| 654 | } |
| 655 | else |
| 656 | { |
| 657 | $header .= ' charset=UTF-8'; |
| 658 | } |
| 659 | header($header); |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | function get_type() |
| 664 | { |
| 665 | if (!empty($this->data['feedinfo']['type'])) |
| 666 | { |
| 667 | return $this->data['feedinfo']['type']; |
| 668 | } |
| 669 | else |
| 670 | { |
| 671 | return false; |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | function get_version() |
| 676 | { |
| 677 | if (!empty($this->data['feedinfo']['version'])) |
| 678 | { |
| 679 | return $this->data['feedinfo']['version']; |
| 680 | } |
| 681 | else |
| 682 | { |
| 683 | return false; |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | function get_favicon($check = false, $alternate = null) |
| 688 | { |
| 689 | if (!empty($this->data['info']['link']['alternate'][0])) |
| 690 | { |
| 691 | $favicon = SimplePie_Misc::absolutize_url('/favicon.ico', $this->get_feed_link()); |
| 692 | |
| 693 | if ($check) |
| 694 | { |
| 695 | $file = new $this->file_class($favicon, $this->timeout/10, 5, null, $this->useragent, $this->force_fsockopen); |
| 696 | $headers = $file->headers(); |
| 697 | $file->close(); |
| 698 | |
| 699 | if ($headers['status']['code'] == 200) |
| 700 | { |
| 701 | return $favicon; |
| 702 | } |
| 703 | } |
| 704 | else |
| 705 | { |
| 706 | return $favicon; |
| 707 | } |
| 708 | } |
| 709 | if (!is_null($alternate)) |
| 710 | { |
| 711 | return $alternate; |
| 712 | } |
| 713 | else |
| 714 | { |
| 715 | return false; |
| 716 | } |
| 717 | } |
| 718 | |
| 719 | function subscribe_url() |
| 720 | { |
| 721 | if (!empty($this->rss_url)) |
| 722 | { |
| 723 | return $this->rss_url; |
| 724 | } |
| 725 | else |
| 726 | { |
| 727 | return false; |
| 728 | } |
| 729 | } |
| 730 | |
| 731 | function subscribe_feed() |
| 732 | { |
| 733 | if (!empty($this->rss_url)) |
| 734 | { |
| 735 | return SimplePie_Misc::fix_protocol($this->rss_url, 2); |
| 736 | } |
| 737 | else |
| 738 | { |
| 739 | return false; |
| 740 | } |
| 741 | } |
| 742 | |
| 743 | function subscribe_outlook() |
| 744 | { |
| 745 | if (!empty($this->rss_url)) |
| 746 | { |
| 747 | return 'outlook' . SimplePie_Misc::fix_protocol($this->rss_url, 2); |
| 748 | } |
| 749 | else |
| 750 | { |
| 751 | return false; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | function subscribe_podcast() |
| 756 | { |
| 757 | if (!empty($this->rss_url)) |
| 758 | { |
| 759 | return SimplePie_Misc::fix_protocol($this->rss_url, 3); |
| 760 | } |
| 761 | else |
| 762 | { |
| 763 | return false; |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | function subscribe_aol() |
| 768 | { |
| 769 | if ($this->subscribe_url()) |
| 770 | { |
| 771 | return 'http://feeds.my.aol.com/add.jsp?url=' . rawurlencode($this->subscribe_url()); |
| 772 | } |
| 773 | else |
| 774 | { |
| 775 | return false; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | function subscribe_bloglines() |
| 780 | { |
| 781 | if ($this->subscribe_url()) |
| 782 | { |
| 783 | return 'http://www.bloglines.com/sub/' . rawurlencode($this->subscribe_url()); |
| 784 | } |
| 785 | else |
| 786 | { |
| 787 | return false; |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | function subscribe_eskobo() |
| 792 | { |
| 793 | if ($this->subscribe_url()) |
| 794 | { |
| 795 | return 'http://www.eskobo.com/?AddToMyPage=' . rawurlencode($this->subscribe_url()); |
| 796 | } |
| 797 | else |
| 798 | { |
| 799 | return false; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | function subscribe_feedfeeds() |
| 804 | { |
| 805 | if ($this->subscribe_url()) |
| 806 | { |
| 807 | return 'http://www.feedfeeds.com/add?feed=' . rawurlencode($this->subscribe_url()); |
| 808 | } |
| 809 | else |
| 810 | { |
| 811 | return false; |
| 812 | } |
| 813 | } |
| 814 | |
| 815 | function subscribe_feedlounge() |
| 816 | { |
| 817 | if ($this->subscribe_url()) |
| 818 | { |
| 819 | return 'http://my.feedlounge.com/external/subscribe?url=' . rawurlencode($this->subscribe_url()); |
| 820 | } |
| 821 | else |
| 822 | { |
| 823 | return false; |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | function subscribe_feedster() |
| 828 | { |
| 829 | if ($this->subscribe_url()) |
| 830 | { |
| 831 | return 'http://www.feedster.com/myfeedster.php?action=addrss&confirm=no&rssurl=' . rawurlencode($this->subscribe_url()); |
| 832 | } |
| 833 | else |
| 834 | { |
| 835 | return false; |
| 836 | } |
| 837 | } |
| 838 | |
| 839 | function subscribe_google() |
| 840 | { |
| 841 | if ($this->subscribe_url()) |
| 842 | { |
| 843 | return 'http://fusion.google.com/add?feedurl=' . rawurlencode($this->subscribe_url()); |
| 844 | } |
| 845 | else |
| 846 | { |
| 847 | return false; |
| 848 | } |
| 849 | } |
| 850 | |
| 851 | function subscribe_gritwire() |
| 852 | { |
| 853 | if ($this->subscribe_url()) |
| 854 | { |
| 855 | return 'http://my.gritwire.com/feeds/addExternalFeed.aspx?FeedUrl=' . rawurlencode($this->subscribe_url()); |
| 856 | } |
| 857 | else |
| 858 | { |
| 859 | return false; |
| 860 | } |
| 861 | } |
| 862 | |
| 863 | function subscribe_msn() |
| 864 | { |
| 865 | if ($this->subscribe_url()) |
| 866 | { |
| 867 | $url = 'http://my.msn.com/addtomymsn.armx?id=rss&ut=' . rawurlencode($this->subscribe_url()); |
| 868 | if ($this->get_feed_link()) |
| 869 | { |
| 870 | $url .= '&ru=' . rawurlencode($this->get_feed_link()); |
| 871 | } |
| 872 | return $url; |
| 873 | } |
| 874 | else |
| 875 | { |
| 876 | return false; |
| 877 | } |
| 878 | } |
| 879 | |
| 880 | function subscribe_netvibes() |
| 881 | { |
| 882 | if ($this->subscribe_url()) |
| 883 | { |
| 884 | return 'http://www.netvibes.com/subscribe.php?url=' . rawurlencode($this->subscribe_url()); |
| 885 | } |
| 886 | else |
| 887 | { |
| 888 | return false; |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | function subscribe_newsburst() |
| 893 | { |
| 894 | if ($this->subscribe_url()) |
| 895 | { |
| 896 | return 'http://www.newsburst.com/Source/?add=' . rawurlencode($this->subscribe_url()); |
| 897 | } |
| 898 | else |
| 899 | { |
| 900 | return false; |
| 901 | } |
| 902 | } |
| 903 | |
| 904 | function subscribe_newsgator() |
| 905 | { |
| 906 | if ($this->subscribe_url()) |
| 907 | { |
| 908 | return 'http://www.newsgator.com/ngs/subscriber/subext.aspx?url=' . rawurlencode($this->subscribe_url()); |
| 909 | } |
| 910 | else |
| 911 | { |
| 912 | return false; |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | function subscribe_odeo() |
| 917 | { |
| 918 | if ($this->subscribe_url()) |
| 919 | { |
| 920 | return 'http://www.odeo.com/listen/subscribe?feed=' . rawurlencode($this->subscribe_url()); |
| 921 | } |
| 922 | else |
| 923 | { |
| 924 | return false; |
| 925 | } |
| 926 | } |
| 927 | |
| 928 | function subscribe_pluck() |
| 929 | { |
| 930 | if ($this->subscribe_url()) |
| 931 | { |
| 932 | return 'http://client.pluck.com/pluckit/prompt.aspx?GCID=C12286x053&a=' . rawurlencode($this->subscribe_url()); |
| 933 | } |
| 934 | else |
| 935 | { |
| 936 | return false; |
| 937 | } |
| 938 | } |
| 939 | |
| 940 | function subscribe_podnova() |
| 941 | { |
| 942 | if ($this->subscribe_url()) |
| 943 | { |
| 944 | return 'http://www.podnova.com/index_your_podcasts.srf?action=add&url=' . rawurlencode($this->subscribe_url()); |
| 945 | } |
| 946 | else |
| 947 | { |
| 948 | return false; |
| 949 | } |
| 950 | } |
| 951 | |
| 952 | function subscribe_rojo() |
| 953 | { |
| 954 | if ($this->subscribe_url()) |
| 955 | { |
| 956 | return 'http://www.rojo.com/add-subscription?resource=' . rawurlencode($this->subscribe_url()); |
| 957 | } |
| 958 | else |
| 959 | { |
| 960 | return false; |
| 961 | } |
| 962 | } |
| 963 | |
| 964 | function subscribe_yahoo() |
| 965 | { |
| 966 | if ($this->subscribe_url()) |
| 967 | { |
| 968 | return 'http://add.my.yahoo.com/rss?url=' . rawurlencode($this->subscribe_url()); |
| 969 | } |
| 970 | else |
| 971 | { |
| 972 | return false; |
| 973 | } |
| 974 | } |
| 975 | |
| 976 | function get_feed_title() |
| 977 | { |
| 978 | if (!empty($this->data['info']['title'])) |
| 979 | { |
| 980 | return $this->data['info']['title']; |
| 981 | } |
| 982 | else |
| 983 | { |
| 984 | return false; |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | function get_feed_link() |
| 989 | { |
| 990 | if (!empty($this->data['info']['link']['alternate'][0])) |
| 991 | { |
| 992 | return $this->data['info']['link']['alternate'][0]; |
| 993 | } |
| 994 | else |
| 995 | { |
| 996 | return false; |
| 997 | } |
| 998 | } |
| 999 | |
| 1000 | function get_feed_links() |
| 1001 | { |
| 1002 | if (!empty($this->data['info']['link'])) |
| 1003 | { |
| 1004 | return $this->data['info']['link']; |
| 1005 | } |
| 1006 | else |
| 1007 | { |
| 1008 | return false; |
| 1009 | } |
| 1010 | } |
| 1011 | |
| 1012 | function get_feed_description() |
| 1013 | { |
| 1014 | if (!empty($this->data['info']['description'])) |
| 1015 | { |
| 1016 | return $this->data['info']['description']; |
| 1017 | } |
| 1018 | else if (!empty($this->data['info']['dc:description'])) |
| 1019 | { |
| 1020 | return $this->data['info']['dc:description']; |
| 1021 | } |
| 1022 | else if (!empty($this->data['info']['tagline'])) |
| 1023 | { |
| 1024 | return $this->data['info']['tagline']; |
| 1025 | } |
| 1026 | else if (!empty($this->data['info']['subtitle'])) |
| 1027 | { |
| 1028 | return $this->data['info']['subtitle']; |
| 1029 | } |
| 1030 | else |
| 1031 | { |
| 1032 | return false; |
| 1033 | } |
| 1034 | } |
| 1035 | |
| 1036 | function get_feed_copyright() |
| 1037 | { |
| 1038 | if (!empty($this->data['info']['copyright'])) |
| 1039 | { |
| 1040 | return $this->data['info']['copyright']; |
| 1041 | } |
| 1042 | else |
| 1043 | { |
| 1044 | return false; |
| 1045 | } |
| 1046 | } |
| 1047 | |
| 1048 | function get_feed_language() |
| 1049 | { |
| 1050 | if (!empty($this->data['info']['language'])) |
| 1051 | { |
| 1052 | return $this->data['info']['language']; |
| 1053 | } |
| 1054 | else if (!empty($this->data['info']['xml:lang'])) |
| 1055 | { |
| 1056 | return $this->data['info']['xml:lang']; |
| 1057 | } |
| 1058 | else |
| 1059 | { |
| 1060 | return false; |
| 1061 | } |
| 1062 | } |
| 1063 | |
| 1064 | function get_image_exist() |
| 1065 | { |
| 1066 | if (!empty($this->data['info']['image']['url']) || !empty($this->data['info']['image']['logo'])) |
| 1067 | { |
| 1068 | return true; |
| 1069 | } |
| 1070 | else |
| 1071 | { |
| 1072 | return false; |
| 1073 | } |
| 1074 | } |
| 1075 | |
| 1076 | function get_image_title() |
| 1077 | { |
| 1078 | if (!empty($this->data['info']['image']['title'])) |
| 1079 | { |
| 1080 | return $this->data['info']['image']['title']; |
| 1081 | } |
| 1082 | else |
| 1083 | { |
| 1084 | return false; |
| 1085 | } |
| 1086 | } |
| 1087 | |
| 1088 | function get_image_url() |
| 1089 | { |
| 1090 | if (!empty($this->data['info']['image']['url'])) |
| 1091 | { |
| 1092 | return $this->data['info']['image']['url']; |
| 1093 | } |
| 1094 | else if (!empty($this->data['info']['image']['logo'])) |
| 1095 | { |
| 1096 | return $this->data['info']['image']['logo']; |
| 1097 | } |
| 1098 | else |
| 1099 | { |
| 1100 | return false; |
| 1101 | } |
| 1102 | } |
| 1103 | |
| 1104 | function get_image_link() |
| 1105 | { |
| 1106 | if (!empty($this->data['info']['image']['link'])) |
| 1107 | { |
| 1108 | return $this->data['info']['image']['link']; |
| 1109 | } |
| 1110 | else |
| 1111 | { |
| 1112 | return false; |
| 1113 | } |
| 1114 | } |
| 1115 | |
| 1116 | function get_image_width() |
| 1117 | { |
| 1118 | if (!empty($this->data['info']['image']['width'])) |
| 1119 | { |
| 1120 | return $this->data['info']['image']['width']; |
| 1121 | } |
| 1122 | else |
| 1123 | { |
| 1124 | return false; |
| 1125 | } |
| 1126 | } |
| 1127 | |
| 1128 | function get_image_height() |
| 1129 | { |
| 1130 | if (!empty($this->data['info']['image']['height'])) |
| 1131 | { |
| 1132 | return $this->data['info']['image']['height']; |
| 1133 | } |
| 1134 | else |
| 1135 | { |
| 1136 | return false; |
| 1137 | } |
| 1138 | } |
| 1139 | |
| 1140 | function get_item_quantity($max = 0) |
| 1141 | { |
| 1142 | if (!empty($this->data['items'])) |
| 1143 | { |
| 1144 | $qty = sizeof($this->data['items']); |
| 1145 | } |
| 1146 | else |
| 1147 | { |
| 1148 | $qty = 0; |
| 1149 | } |
| 1150 | if ($max == 0) |
| 1151 | { |
| 1152 | return $qty; |
| 1153 | } |
| 1154 | else |
| 1155 | { |
| 1156 | return ($qty > $max) ? $max : $qty; |
| 1157 | } |
| 1158 | } |
| 1159 | |
| 1160 | function get_item($key = 0) |
| 1161 | { |
| 1162 | if (!empty($this->data['items'][$key])) |
| 1163 | { |
| 1164 | return $this->data['items'][$key]; |
| 1165 | } |
| 1166 | else |
| 1167 | { |
| 1168 | return false; |
| 1169 | } |
| 1170 | } |
| 1171 | |
| 1172 | function get_items($start = 0, $end = 0) |
| 1173 | { |
| 1174 | if ($this->get_item_quantity() > 0) |
| 1175 | { |
| 1176 | if ($end == 0) |
| 1177 | { |
| 1178 | return array_slice($this->data['items'], $start); |
| 1179 | } |
| 1180 | else |
| 1181 | { |
| 1182 | return array_slice($this->data['items'], $start, $end); |
| 1183 | } |
| 1184 | } |
| 1185 | else |
| 1186 | { |
| 1187 | return false; |
| 1188 | } |
| 1189 | } |
| 1190 | } |
| 1191 | |
| 1192 | class SimplePie_Item |
| 1193 | { |
| 1194 | var $data; |
| 1195 | |
| 1196 | function SimplePie_Item($data) |
| 1197 | { |
| 1198 | $this->data =& $data; |
| 1199 | } |
| 1200 | |
| 1201 | function get_id() |
| 1202 | { |
| 1203 | if (!empty($this->data['guid']['data'])) |
| 1204 | { |
| 1205 | return $this->data['guid']['data']; |
| 1206 | } |
| 1207 | else if (!empty($this->data['id'])) |
| 1208 | { |
| 1209 | return $this->data['id']; |
| 1210 | } |
| 1211 | else |
| 1212 | { |
| 1213 | return false; |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | function get_title() |
| 1218 | { |
| 1219 | if (!empty($this->data['title'])) |
| 1220 | { |
| 1221 | return $this->data['title']; |
| 1222 | } |
| 1223 | else if (!empty($this->data['dc:title'])) |
| 1224 | { |
| 1225 | return $this->data['dc:title']; |
| 1226 | } |
| 1227 | else |
| 1228 | { |
| 1229 | return false; |
| 1230 | } |
| 1231 | } |
| 1232 | |
| 1233 | function get_description() |
| 1234 | { |
| 1235 | if (!empty($this->data['content'])) |
| 1236 | { |
| 1237 | return $this->data['content']; |
| 1238 | } |
| 1239 | else if (!empty($this->data['encoded'])) |
| 1240 | { |
| 1241 | return $this->data['encoded']; |
| 1242 | } |
| 1243 | else if (!empty($this->data['summary'])) |
| 1244 | { |
| 1245 | return $this->data['summary']; |
| 1246 | } |
| 1247 | else if (!empty($this->data['description'])) |
| 1248 | { |
| 1249 | return $this->data['description']; |
| 1250 | } |
| 1251 | else if (!empty($this->data['dc:description'])) |
| 1252 | { |
| 1253 | return $this->data['dc:description']; |
| 1254 | } |
| 1255 | else if (!empty($this->data['longdesc'])) |
| 1256 | { |
| 1257 | return $this->data['longdesc']; |
| 1258 | } |
| 1259 | else |
| 1260 | { |
| 1261 | return false; |
| 1262 | } |
| 1263 | } |
| 1264 | |
| 1265 | function get_category($key = 0) |
| 1266 | { |
| 1267 | $categories = |