rss-bridge/bridges/InternetArchiveBridge.php

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<?php
class InternetArchiveBridge extends BridgeAbstract {
const NAME = 'Internet Archive Bridge';
const URI = 'https://archive.org';
const DESCRIPTION = 'Returns newest uploads, posts and more from an account';
const MAINTAINER = 'VerifiedJoseph';
const PARAMETERS = array(
'Account' => array(
'username' => array(
'name' => 'Username',
'type' => 'text',
'required' => true,
'exampleValue' => '@verifiedjoseph',
),
'content' => array(
'name' => 'Content',
'type' => 'list',
'values' => array(
'Uploads' => 'uploads',
'Posts' => 'posts',
'Reviews' => 'reviews',
'Collections' => 'collections',
'Web Archives' => 'web-archive',
),
'defaultValue' => 'uploads',
)
)
);
const CACHE_TIMEOUT = 900; // 15 mins
const TEST_DETECT_PARAMETERS = array(
'https://archive.org/details/@verifiedjoseph' => array(
'context' => 'Account', 'username' => 'verifiedjoseph', 'content' => 'uploads'
),
'https://archive.org/details/@verifiedjoseph?tab=collections' => array(
'context' => 'Account', 'username' => 'verifiedjoseph', 'content' => 'collections'
),
);
private $skipClasses = array(
'item-ia mobile-header hidden-tiles',
'item-ia account-ia'
);
private $detectParamsRegex = '/https?:\/\/archive\.org\/details\/@([\w]+)(?:\?tab=([a-z-]+))?/';
public function detectParameters($url) {
$params = array();
if(preg_match($this->detectParamsRegex, $url, $matches) > 0) {
$params['context'] = 'Account';
$params['username'] = $matches[1];
$params['content'] = 'uploads';
if (isset($matches[2])) {
$params['content'] = $matches[2];
}
return $params;
}
return null;
}
public function collectData() {
$html = getSimpleHTMLDOM($this->getURI())
or returnServerError('Could not request: ' . $this->getURI());
$html = defaultLinkTo($html, $this->getURI());
if ($this->getInput('content') !== 'posts') {
$detailsDivNumber = 0;
foreach ($html->find('div.results > div[data-id]') as $index => $result) {
$item = array();
if (in_array($result->class, $this->skipClasses)) {
continue;
}
switch($result->class) {
case 'item-ia':
switch($this->getInput('content')) {
case 'reviews':
$item = $this->processReview($result);
break;
case 'uploads':
$item = $this->processUpload($result);
break;
}
break;
case 'item-ia url-item':
$item = $this->processWebArchives($result);
break;
case 'item-ia collection-ia':
$item = $this->processCollection($result);
break;
}
if ($this->getInput('content') !== 'reviews') {
$hiddenDetails = $this->processHiddenDetails($html, $detailsDivNumber, $item);
$this->items[] = array_merge($item, $hiddenDetails);
} else {
$this->items[] = $item;
}
$detailsDivNumber++;
}
}
if ($this->getInput('content') === 'posts') {
$this->items = $this->processPosts($html);
}
}
public function getURI() {
if (!is_null($this->getInput('username')) && !is_null($this->getInput('content'))) {
return self::URI . '/details/' . $this->processUsername() . '&tab=' . $this->getInput('content');
}
return parent::getURI();
}
public function getName() {
if (!is_null($this->getInput('username')) && !is_null($this->getInput('content'))) {
$contentValues = array_flip(self::PARAMETERS['Account']['content']['values']);
return $contentValues[$this->getInput('content')] . ' - '
. $this->processUsername() . ' - Internet Archive';
}
return parent::getName();
}
private function processUsername() {
if (substr($this->getInput('username'), 0, 1) !== '@') {
return '@' . $this->getInput('username');
}
return $this->getInput('username');
}
private function processUpload($result) {
$item = array();
$collection = $result->find('a.stealth', 0);
$collectionLink = $collection->href;
$collectionTitle = $collection->find('div.item-parent-ttl', 0)->plaintext;
$item['title'] = trim($result->find('div.ttl', 0)->innertext);
$item['timestamp'] = strtotime($result->find('div.hidden-tiles.pubdate.C.C3', 0)->children(0)->plaintext);
$item['uri'] = $result->find('div.item-ttl.C.C2 > a', 0)->href;
if ($result->find('div.by.C.C4', 0)->children(2)) {
$item['author'] = $result->find('div.by.C.C4', 0)->children(2)->plaintext;
}
$item['content'] = <<<EOD
<p>Media Type: {$result->attr['data-mediatype']}<br>
Collection: <a href="{$collectionLink}">{$collectionTitle}</a></p>
EOD;
$item['enclosures'][] = self::URI . $result->find('img.item-img', 0)->source;
return $item;
}
private function processReview($result) {
$item = array();
$item['title'] = trim($result->find('div.ttl', 0)->innertext);
$item['timestamp'] = strtotime($result->find('div.hidden-tiles.pubdate.C.C3', 0)->children(0)->plaintext);
$item['uri'] = $result->find('div.review-title', 0)->children(0)->href;
if ($result->find('div.by.C.C4', 0)->children(2)) {
$item['author'] = $result->find('div.by.C.C4', 0)->children(2)->plaintext;
}
$item['content'] = <<<EOD
<p><strong>Subject: {$result->find('div.review-title', 0)->plaintext}</strong></p>
<p>{$result->find('div.hidden-lists.review' , 0)->children(1)->plaintext}</p>
EOD;
$item['enclosures'][] = self::URI . $result->find('img.item-img', 0)->source;
return $item;
}
private function processWebArchives($result) {
$item = array();
$item['title'] = trim($result->find('div.ttl', 0)->plaintext);
$item['timestamp'] = strtotime($result->find('div.hidden-lists', 0)->children(0)->plaintext);
$item['uri'] = $result->find('div.item-ttl.C.C2 > a', 0)->href;
$item['content'] = <<<EOD
{$this->processUsername()} archived <a href="{$item['uri']}">{$result->find('div.ttl', 0)->plaintext}</a>
EOD;
$item['enclosures'][] = $result->find('img.item-img', 0)->source;
return $item;
}
private function processCollection($result) {
$item = array();
$title = trim($result->find('div.collection-title.C.C2', 0)->children(0)->plaintext);
$itemCount = strtolower(trim($result->find('div.num-items.topinblock', 0)->plaintext));
$item['title'] = $title . ' (' . $itemCount . ')';
$item['timestamp'] = strtotime($result->find('div.hidden-tiles.pubdate.C.C3', 0)->children(0)->plaintext);
$item['uri'] = $result->find('div.collection-title.C.C2 > a', 0)->href;
$item['content'] = '';
if ($result->find('img.item-img', 0)) {
$item['enclosures'][] = self::URI . $result->find('img.item-img', 0)->source;
}
return $item;
}
private function processHiddenDetails($html, $detailsDivNumber, $item) {
$description = '';
if ($html->find('div.details-ia.hidden-tiles', $detailsDivNumber)) {
$detailsDiv = $html->find('div.details-ia.hidden-tiles', $detailsDivNumber);
if ($detailsDiv->find('div.C234', 0)->children(0)) {
$description = $detailsDiv->find('div.C234', 0)->children(0)->plaintext;
$detailsDiv->find('div.C234', 0)->children(0)->innertext = '';
}
$topics = trim($detailsDiv->find('div.C234', 0)->plaintext);
if (!empty($topics)) {
$topics = trim($detailsDiv->find('div.C234', 0)->plaintext);
$topics = trim(substr($topics, 7));
$item['categories'] = explode(',', $topics);
}
$item['content'] = '<p>' . $description . '</p>' . $item['content'];
}
return $item;
}
private function processPosts($html) {
$items = array();
foreach ($html->find('table.forumTable > tr') as $index => $tr) {
$item = array();
if ($index === 0) {
continue;
}
$item['title'] = $tr->find('td', 0)->plaintext;
$item['timestamp'] = strtotime($tr->find('td', 4)->children(0)->plaintext);
$item['uri'] = $tr->find('td', 0)->children(0)->href;
$formLink = <<<EOD
<a href="{$tr->find('td', 2)->children(0)->href}">{$tr->find('td', 2)->children(0)->plaintext}</a>
EOD;
$postDate = $tr->find('td', 4)->children(0)->plaintext;
$postPageHtml = getSimpleHTMLDOMCached($item['uri'], 3600)
or returnServerError('Could not request: ' . $item['uri']);
$postPageHtml = defaultLinkTo($postPageHtml, $this->getURI());
$post = $postPageHtml->find('div.box.well.well-sm', 0);
$parentLink = '';
$replyLink = <<<EOD
<a href="{$post->find('a', 0)->href}">Reply</a>
EOD;
if ($post->find('a', 1)->innertext = 'See parent post') {
$parentLink = <<<EOD
<a href="{$post->find('a', 1)->href}">View parent post</a>
EOD;
}
$post->find('h1', 0)->outertext = '';
$post->find('h2', 0)->outertext = '';
$item['content'] = <<<EOD
<p>{$post->innertext}</p>{$replyLink} - {$parentLink} - Posted in {$formLink} on {$postDate}
EOD;
$items[] = $item;
if (count($items) >= 10) {
break;
}
}
return $items;
}
}