Edit File by line

<?php

[0] Fix | Delete

[1] Fix | Delete

/**

[2] Fix | Delete

* SimplePie

[3] Fix | Delete

[4] Fix | Delete

* A PHP-Based RSS and Atom Feed Framework.

[5] Fix | Delete

* Takes the hard work out of managing a complete RSS/Atom solution.

[6] Fix | Delete

[7] Fix | Delete

[8] Fix | Delete

[9] Fix | Delete

[10] Fix | Delete

* Redistribution and use in source and binary forms, with or without modification, are

[11] Fix | Delete

* permitted provided that the following conditions are met:

[12] Fix | Delete

[13] Fix | Delete

* * Redistributions of source code must retain the above copyright notice, this list of

[14] Fix | Delete

* conditions and the following disclaimer.

[15] Fix | Delete

[16] Fix | Delete

* * Redistributions in binary form must reproduce the above copyright notice, this list

[17] Fix | Delete

* of conditions and the following disclaimer in the documentation and/or other materials

[18] Fix | Delete

* provided with the distribution.

[19] Fix | Delete

[20] Fix | Delete

* * Neither the name of the SimplePie Team nor the names of its contributors may be used

[21] Fix | Delete

* to endorse or promote products derived from this software without specific prior

[22] Fix | Delete

* written permission.

[23] Fix | Delete

[24] Fix | Delete

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS

[25] Fix | Delete

* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

[26] Fix | Delete

* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS

[27] Fix | Delete

* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

[28] Fix | Delete

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

[29] Fix | Delete

* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

[30] Fix | Delete

* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

[31] Fix | Delete

* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

[32] Fix | Delete

* POSSIBILITY OF SUCH DAMAGE.

[33] Fix | Delete

[34] Fix | Delete

* @package SimplePie

[35] Fix | Delete

[36] Fix | Delete

* @author Ryan Parman

[37] Fix | Delete

* @author Sam Sneddon

[38] Fix | Delete

* @author Ryan McCue

[39] Fix | Delete

* @link http://simplepie.org/ SimplePie

[40] Fix | Delete

* @license http://www.opensource.org/licenses/bsd-license.php BSD License

[41] Fix | Delete

[42] Fix | Delete

[43] Fix | Delete

namespace SimplePie;

[44] Fix | Delete

[45] Fix | Delete

/**

[46] Fix | Delete

* Used for feed auto-discovery

[47] Fix | Delete

[48] Fix | Delete

[49] Fix | Delete

* This class can be overloaded with {@see \SimplePie\SimplePie::set_locator_class()}

[50] Fix | Delete

[51] Fix | Delete

* @package SimplePie

[52] Fix | Delete

[53] Fix | Delete

class Locator implements RegistryAware

[54] Fix | Delete

{

[55] Fix | Delete

public $useragent;

[56] Fix | Delete

public $timeout;

[57] Fix | Delete

public $file;

[58] Fix | Delete

public $local = [];

[59] Fix | Delete

public $elsewhere = [];

[60] Fix | Delete

public $cached_entities = [];

[61] Fix | Delete

public $http_base;

[62] Fix | Delete

public $base;

[63] Fix | Delete

public $base_location = 0;

[64] Fix | Delete

public $checked_feeds = 0;

[65] Fix | Delete

public $max_checked_feeds = 10;

[66] Fix | Delete

public $force_fsockopen = false;

[67] Fix | Delete

public $curl_options = [];

[68] Fix | Delete

public $dom;

[69] Fix | Delete

protected $registry;

[70] Fix | Delete

[71] Fix | Delete

public function __construct(\SimplePie\File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10, $force_fsockopen = false, $curl_options = [])

[72] Fix | Delete

{

[73] Fix | Delete

$this->file = $file;

[74] Fix | Delete

$this->useragent = $useragent;

[75] Fix | Delete

$this->timeout = $timeout;

[76] Fix | Delete

$this->max_checked_feeds = $max_checked_feeds;

[77] Fix | Delete

$this->force_fsockopen = $force_fsockopen;

[78] Fix | Delete

$this->curl_options = $curl_options;

[79] Fix | Delete

[80] Fix | Delete

if (class_exists('DOMDocument') && $this->file->body != '') {

[81] Fix | Delete

$this->dom = new \DOMDocument();

[82] Fix | Delete

[83] Fix | Delete

set_error_handler(['SimplePie\Misc', 'silence_errors']);

[84] Fix | Delete

try {

[85] Fix | Delete

$this->dom->loadHTML($this->file->body);

[86] Fix | Delete

} catch (\Throwable $ex) {

[87] Fix | Delete

$this->dom = null;

[88] Fix | Delete

}

[89] Fix | Delete

restore_error_handler();

[90] Fix | Delete

} else {

[91] Fix | Delete

$this->dom = null;

[92] Fix | Delete

}

[93] Fix | Delete

}

[94] Fix | Delete

[95] Fix | Delete

public function set_registry(\SimplePie\Registry $registry)/* : void */

[96] Fix | Delete

{

[97] Fix | Delete

$this->registry = $registry;

[98] Fix | Delete

}

[99] Fix | Delete

[100] Fix | Delete

public function find($type = \SimplePie\SimplePie::LOCATOR_ALL, &$working = null)

[101] Fix | Delete

{

[102] Fix | Delete

if ($this->is_feed($this->file)) {

[103] Fix | Delete

return $this->file;

[104] Fix | Delete

}

[105] Fix | Delete

[106] Fix | Delete

if ($this->file->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE) {

[107] Fix | Delete

$sniffer = $this->registry->create(Content\Type\Sniffer::class, [$this->file]);

[108] Fix | Delete

if ($sniffer->get_type() !== 'text/html') {

[109] Fix | Delete

return null;

[110] Fix | Delete

}

[111] Fix | Delete

}

[112] Fix | Delete

[113] Fix | Delete

if ($type & ~\SimplePie\SimplePie::LOCATOR_NONE) {

[114] Fix | Delete

$this->get_base();

[115] Fix | Delete

}

[116] Fix | Delete

[117] Fix | Delete

if ($type & \SimplePie\SimplePie::LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery()) {

[118] Fix | Delete

return $working[0];

[119] Fix | Delete

}

[120] Fix | Delete

[121] Fix | Delete

if ($type & (\SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION | \SimplePie\SimplePie::LOCATOR_LOCAL_BODY | \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION | \SimplePie\SimplePie::LOCATOR_REMOTE_BODY) && $this->get_links()) {

[122] Fix | Delete

if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local)) {

[123] Fix | Delete

return $working[0];

[124] Fix | Delete

}

[125] Fix | Delete

[126] Fix | Delete

if ($type & \SimplePie\SimplePie::LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) {

[127] Fix | Delete

return $working[0];

[128] Fix | Delete

}

[129] Fix | Delete

[130] Fix | Delete

if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) {

[131] Fix | Delete

return $working[0];

[132] Fix | Delete

}

[133] Fix | Delete

[134] Fix | Delete

if ($type & \SimplePie\SimplePie::LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere)) {

[135] Fix | Delete

return $working[0];

[136] Fix | Delete

}

[137] Fix | Delete

}

[138] Fix | Delete

return null;

[139] Fix | Delete

}

[140] Fix | Delete

[141] Fix | Delete

public function is_feed($file, $check_html = false)

[142] Fix | Delete

{

[143] Fix | Delete

if ($file->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE) {

[144] Fix | Delete

$sniffer = $this->registry->create(Content\Type\Sniffer::class, [$file]);

[145] Fix | Delete

$sniffed = $sniffer->get_type();

[146] Fix | Delete

$mime_types = ['application/rss+xml', 'application/rdf+xml',

[147] Fix | Delete

'text/rdf', 'application/atom+xml', 'text/xml',

[148] Fix | Delete

'application/xml', 'application/x-rss+xml'];

[149] Fix | Delete

if ($check_html) {

[150] Fix | Delete

$mime_types[] = 'text/html';

[151] Fix | Delete

}

[152] Fix | Delete

[153] Fix | Delete

return in_array($sniffed, $mime_types);

[154] Fix | Delete

} elseif ($file->method & \SimplePie\SimplePie::FILE_SOURCE_LOCAL) {

[155] Fix | Delete

return true;

[156] Fix | Delete

} else {

[157] Fix | Delete

return false;

[158] Fix | Delete

}

[159] Fix | Delete

}

[160] Fix | Delete

[161] Fix | Delete

public function get_base()

[162] Fix | Delete

{

[163] Fix | Delete

if ($this->dom === null) {

[164] Fix | Delete

throw new \SimplePie\Exception('DOMDocument not found, unable to use locator');

[165] Fix | Delete

}

[166] Fix | Delete

$this->http_base = $this->file->url;

[167] Fix | Delete

$this->base = $this->http_base;

[168] Fix | Delete

$elements = $this->dom->getElementsByTagName('base');

[169] Fix | Delete

foreach ($elements as $element) {

[170] Fix | Delete

if ($element->hasAttribute('href')) {

[171] Fix | Delete

$base = $this->registry->call(Misc::class, 'absolutize_url', [trim($element->getAttribute('href')), $this->http_base]);

[172] Fix | Delete

if ($base === false) {

[173] Fix | Delete

continue;

[174] Fix | Delete

}

[175] Fix | Delete

$this->base = $base;

[176] Fix | Delete

$this->base_location = method_exists($element, 'getLineNo') ? $element->getLineNo() : 0;

[177] Fix | Delete

break;

[178] Fix | Delete

}

[179] Fix | Delete

}

[180] Fix | Delete

}

[181] Fix | Delete

[182] Fix | Delete

public function autodiscovery()

[183] Fix | Delete

{

[184] Fix | Delete

$done = [];

[185] Fix | Delete

$feeds = [];

[186] Fix | Delete

$feeds = array_merge($feeds, $this->search_elements_by_tag('link', $done, $feeds));

[187] Fix | Delete

$feeds = array_merge($feeds, $this->search_elements_by_tag('a', $done, $feeds));

[188] Fix | Delete

$feeds = array_merge($feeds, $this->search_elements_by_tag('area', $done, $feeds));

[189] Fix | Delete

[190] Fix | Delete

if (!empty($feeds)) {

[191] Fix | Delete

return array_values($feeds);

[192] Fix | Delete

}

[193] Fix | Delete

[194] Fix | Delete

return null;

[195] Fix | Delete

}

[196] Fix | Delete

[197] Fix | Delete

protected function search_elements_by_tag($name, &$done, $feeds)

[198] Fix | Delete

{

[199] Fix | Delete

if ($this->dom === null) {

[200] Fix | Delete

throw new \SimplePie\Exception('DOMDocument not found, unable to use locator');

[201] Fix | Delete

}

[202] Fix | Delete

[203] Fix | Delete

$links = $this->dom->getElementsByTagName($name);

[204] Fix | Delete

foreach ($links as $link) {

[205] Fix | Delete

if ($this->checked_feeds === $this->max_checked_feeds) {

[206] Fix | Delete

break;

[207] Fix | Delete

}

[208] Fix | Delete

if ($link->hasAttribute('href') && $link->hasAttribute('rel')) {

[209] Fix | Delete

$rel = array_unique($this->registry->call(Misc::class, 'space_separated_tokens', [strtolower($link->getAttribute('rel'))]));

[210] Fix | Delete

$line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1;

[211] Fix | Delete

[212] Fix | Delete

if ($this->base_location < $line) {

[213] Fix | Delete

$href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->base]);

[214] Fix | Delete

} else {

[215] Fix | Delete

$href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base]);

[216] Fix | Delete

}

[217] Fix | Delete

if ($href === false) {

[218] Fix | Delete

continue;

[219] Fix | Delete

}

[220] Fix | Delete

[221] Fix | Delete

if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call(Misc::class, 'parse_mime', [$link->getAttribute('type')])), ['text/html', 'application/rss+xml', 'application/atom+xml'])) && !isset($feeds[$href])) {

[222] Fix | Delete

$this->checked_feeds++;

[223] Fix | Delete

$headers = [

[224] Fix | Delete

'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',

[225] Fix | Delete

];

[226] Fix | Delete

$feed = $this->registry->create(File::class, [$href, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options]);

[227] Fix | Delete

if ($feed->success && ($feed->method & \SimplePie\SimplePie::FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed, true)) {

[228] Fix | Delete

$feeds[$href] = $feed;

[229] Fix | Delete

}

[230] Fix | Delete

}

[231] Fix | Delete

$done[] = $href;

[232] Fix | Delete

}

[233] Fix | Delete

}

[234] Fix | Delete

[235] Fix | Delete

return $feeds;

[236] Fix | Delete

}

[237] Fix | Delete

[238] Fix | Delete

public function get_links()

[239] Fix | Delete

{

[240] Fix | Delete

if ($this->dom === null) {

[241] Fix | Delete

throw new \SimplePie\Exception('DOMDocument not found, unable to use locator');

[242] Fix | Delete

}

[243] Fix | Delete

[244] Fix | Delete

$links = $this->dom->getElementsByTagName('a');

[245] Fix | Delete

foreach ($links as $link) {

[246] Fix | Delete

if ($link->hasAttribute('href')) {

[247] Fix | Delete

$href = trim($link->getAttribute('href'));

[248] Fix | Delete

$parsed = $this->registry->call(Misc::class, 'parse_url', [$href]);

[249] Fix | Delete

if ($parsed['scheme'] === '' || preg_match('/^(https?|feed)?$/i', $parsed['scheme'])) {

[250] Fix | Delete

if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo()) {

[251] Fix | Delete

$href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->base]);

[252] Fix | Delete

} else {

[253] Fix | Delete

$href = $this->registry->call(Misc::class, 'absolutize_url', [trim($link->getAttribute('href')), $this->http_base]);

[254] Fix | Delete

}

[255] Fix | Delete

if ($href === false) {

[256] Fix | Delete

continue;

[257] Fix | Delete

}

[258] Fix | Delete

[259] Fix | Delete

$current = $this->registry->call(Misc::class, 'parse_url', [$this->file->url]);

[260] Fix | Delete

[261] Fix | Delete

if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority']) {

[262] Fix | Delete

$this->local[] = $href;

[263] Fix | Delete

} else {

[264] Fix | Delete

$this->elsewhere[] = $href;

[265] Fix | Delete

}

[266] Fix | Delete

}

[267] Fix | Delete

}

[268] Fix | Delete

}

[269] Fix | Delete

$this->local = array_unique($this->local);

[270] Fix | Delete

$this->elsewhere = array_unique($this->elsewhere);

[271] Fix | Delete

if (!empty($this->local) || !empty($this->elsewhere)) {

[272] Fix | Delete

return true;

[273] Fix | Delete

}

[274] Fix | Delete

return null;

[275] Fix | Delete

}

[276] Fix | Delete

[277] Fix | Delete

public function get_rel_link($rel)

[278] Fix | Delete

{

[279] Fix | Delete

if ($this->dom === null) {

[280] Fix | Delete

throw new \SimplePie\Exception('DOMDocument not found, unable to use '.

[281] Fix | Delete

'locator');

[282] Fix | Delete

}

[283] Fix | Delete

if (!class_exists('DOMXpath')) {

[284] Fix | Delete

throw new \SimplePie\Exception('DOMXpath not found, unable to use '.

[285] Fix | Delete

'get_rel_link');

[286] Fix | Delete

}

[287] Fix | Delete

[288] Fix | Delete

$xpath = new \DOMXpath($this->dom);

[289] Fix | Delete

$query = '//a[@rel and @href] | //link[@rel and @href]';

[290] Fix | Delete

foreach ($xpath->query($query) as $link) {

[291] Fix | Delete

$href = trim($link->getAttribute('href'));

[292] Fix | Delete

$parsed = $this->registry->call(Misc::class, 'parse_url', [$href]);

[293] Fix | Delete

if ($parsed['scheme'] === '' ||

[294] Fix | Delete

preg_match('/^https?$/i', $parsed['scheme'])) {

[295] Fix | Delete

if (method_exists($link, 'getLineNo') &&

[296] Fix | Delete

$this->base_location < $link->getLineNo()) {

[297] Fix | Delete

$href = $this->registry->call(

[298] Fix | Delete

Misc::class,

[299] Fix | Delete

'absolutize_url',

[300] Fix | Delete

[trim($link->getAttribute('href')), $this->base]

[301] Fix | Delete

);

[302] Fix | Delete

} else {

[303] Fix | Delete

$href = $this->registry->call(

[304] Fix | Delete

Misc::class,

[305] Fix | Delete

'absolutize_url',

[306] Fix | Delete

[trim($link->getAttribute('href')), $this->http_base]

[307] Fix | Delete

);

[308] Fix | Delete

}

[309] Fix | Delete

if ($href === false) {

[310] Fix | Delete

return null;

[311] Fix | Delete

}

[312] Fix | Delete

$rel_values = explode(' ', strtolower($link->getAttribute('rel')));

[313] Fix | Delete

if (in_array($rel, $rel_values)) {

[314] Fix | Delete

return $href;

[315] Fix | Delete

}

[316] Fix | Delete

}

[317] Fix | Delete

}

[318] Fix | Delete

return null;

[319] Fix | Delete

}

[320] Fix | Delete

[321] Fix | Delete

public function extension(&$array)

[322] Fix | Delete

{

[323] Fix | Delete

foreach ($array as $key => $value) {

[324] Fix | Delete

if ($this->checked_feeds === $this->max_checked_feeds) {

[325] Fix | Delete

break;

[326] Fix | Delete

}

[327] Fix | Delete

if (in_array(strtolower(strrchr($value, '.')), ['.rss', '.rdf', '.atom', '.xml'])) {

[328] Fix | Delete

$this->checked_feeds++;

[329] Fix | Delete

[330] Fix | Delete

$headers = [

[331] Fix | Delete

[332] Fix | Delete

];

[333] Fix | Delete

$feed = $this->registry->create(File::class, [$value, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options]);

[334] Fix | Delete

[335] Fix | Delete

return [$feed];

[336] Fix | Delete

} else {

[337] Fix | Delete

unset($array[$key]);

[338] Fix | Delete

}

[339] Fix | Delete

}

[340] Fix | Delete

}

[341] Fix | Delete

return null;

[342] Fix | Delete

}

[343] Fix | Delete

[344] Fix | Delete

public function body(&$array)

[345] Fix | Delete

{

[346] Fix | Delete

foreach ($array as $key => $value) {

[347] Fix | Delete

if ($this->checked_feeds === $this->max_checked_feeds) {

[348] Fix | Delete

break;

[349] Fix | Delete

}

[350] Fix | Delete

if (preg_match('/(feed|rss|rdf|atom|xml)/i', $value)) {

[351] Fix | Delete

$this->checked_feeds++;

[352] Fix | Delete

$headers = [

[353] Fix | Delete

[354] Fix | Delete

];

[355] Fix | Delete

$feed = $this->registry->create(File::class, [$value, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen, $this->curl_options]);

[356] Fix | Delete

[357] Fix | Delete

return [$feed];

[358] Fix | Delete

} else {

[359] Fix | Delete

unset($array[$key]);

[360] Fix | Delete

}

[361] Fix | Delete

}

[362] Fix | Delete

}

[363] Fix | Delete

return null;

[364] Fix | Delete

}

[365] Fix | Delete

}

[366] Fix | Delete

[367] Fix | Delete

class_alias('SimplePie\Locator', 'SimplePie_Locator', false);

[368] Fix | Delete

[369] Fix | Delete