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rss-bridge/bridges/AO3Bridge.php

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<?php
class AO3Bridge extends BridgeAbstract
{
const NAME = 'AO3';
const URI = 'https://archiveofourown.org/';
const CACHE_TIMEOUT = 1800;
const DESCRIPTION = 'Returns works or chapters from Archive of Our Own';
const MAINTAINER = 'Obsidienne';
const PARAMETERS = [
'List' => [
'url' => [
'name' => 'url',
'required' => true,
// Example: F/F tag
'exampleValue' => 'https://archiveofourown.org/tags/F*s*F/works',
],
'range' => [
'name' => 'Chapter Content',
'title' => 'Chapter(s) to include in each work\'s feed entry',
'defaultValue' => null,
'type' => 'list',
'values' => [
'None' => null,
'First' => 'first',
'Latest' => 'last',
'Entire work' => 'all',
],
],
'limit' => self::LIMIT,
],
'Bookmarks' => [
'user' => [
'name' => 'user',
'required' => true,
// Example: Nyaaru's bookmarks
'exampleValue' => 'Nyaaru',
],
],
'Work' => [
'id' => [
'name' => 'id',
'required' => true,
// Example: latest chapters from A Better Past by LysSerris
'exampleValue' => '18181853',
],
]
];
private $title;
public function collectData()
{
switch ($this->queriedContext) {
case 'Bookmarks':
$this->collectList($this->getURI());
break;
case 'List':
$this->collectList($this->getURI());
break;
case 'Work':
$this->collectWork($this->getURI());
break;
}
}
/**
* Feed for lists of works (e.g. recent works, search results, filtered tags,
* bookmarks, series, collections).
*/
private function collectList($url)
{
$version = 'v0.0.1';
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$headers = [
"useragent: rss-bridge $version (https://github.com/RSS-Bridge/rss-bridge)"
];
$response = getContents($url, $headers);
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$html = \str_get_html($response);
$html = defaultLinkTo($html, self::URI);
// Get list title. Will include page range + count in some cases
$heading = ($html->find('#main h2', 0));
if ($heading->find('a.tag')) {
$heading = $heading->find('a.tag', 0);
}
$this->title = $heading->plaintext;
$limit = $this->getInput('limit') ?? 3;
$count = 0;
foreach ($html->find('.index.group > li') as $element) {
$item = [];
$title = $element->find('div h4 a', 0);
if (!isset($title)) {
continue; // discard deleted works
}
$item['title'] = $title->plaintext;
$item['uri'] = $title->href;
$strdate = $element->find('div p.datetime', 0)->plaintext;
$item['timestamp'] = strtotime($strdate);
// detach from rest of page because remove() is buggy
$element = str_get_html($element->outertext());
$tags = $element->find('ul.required-tags', 0);
foreach ($tags->childNodes() as $tag) {
$item['categories'][] = html_entity_decode($tag->plaintext);
}
$tags->remove();
$tags = $element->find('ul.tags', 0);
foreach ($tags->childNodes() as $tag) {
$item['categories'][] = html_entity_decode($tag->plaintext);
}
$tags->remove();
$item['content'] = implode('', $element->childNodes());
$chapters = $element->find('dl dd.chapters', 0);
// bookmarked series and external works do not have a chapters count
$chapters = (isset($chapters) ? $chapters->plaintext : 0);
$item['uid'] = $item['uri'] . "/$strdate/$chapters";
// Fetch workskin of desired chapter(s) in list
if ($this->getInput('range') && ($limit == 0 || $count++ < $limit)) {
$url = $item['uri'];
switch ($this->getInput('range')) {
case ('all'):
$url .= '?view_full_work=true';
break;
case ('first'):
break;
case ('last'):
// only way to get this is using the navigate page unfortunately
$url .= '/navigate';
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$response = getContents($url, $headers);
$html = \str_get_html($response);
$html = defaultLinkTo($html, self::URI);
$url = $html->find('ol.index.group > li > a', -1)->href;
break;
}
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$response = getContents($url, $headers);
$html = \str_get_html($response);
$html = defaultLinkTo($html, self::URI);
// remove duplicate fic summary
if ($ficsum = $html->find('#workskin > .preface > .summary', 0)) {
$ficsum->remove();
}
$item['content'] .= $html->find('#workskin', 0);
}
// Use predictability of download links to generate enclosures
$wid = explode('/', $item['uri'])[4];
foreach (['azw3', 'epub', 'mobi', 'pdf', 'html'] as $ext) {
$item['enclosures'][] = 'https://archiveofourown.org/downloads/' . $wid . '/work.' . $ext;
}
$this->items[] = $item;
}
}
/**
* Feed for recent chapters of a specific work.
*/
private function collectWork($url)
{
$version = 'v0.0.1';
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$headers = [
"useragent: rss-bridge $version (https://github.com/RSS-Bridge/rss-bridge)"
];
$response = getContents($url . '/navigate', $headers);
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$html = \str_get_html($response);
$html = defaultLinkTo($html, self::URI);
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$response = getContents($url . '?view_full_work=true', $headers);
$workhtml = \str_get_html($response);
$workhtml = defaultLinkTo($workhtml, self::URI);
$this->title = $html->find('h2 a', 0)->plaintext;
$nav = $html->find('ol.index.group > li');
for ($i = 0; $i < count($nav); $i++) {
$item = [];
$element = $nav[$i];
$item['title'] = $element->find('a', 0)->plaintext;
$item['content'] = $workhtml->find('#chapter-' . ($i + 1), 0);
$item['uri'] = $element->find('a', 0)->href;
$strdate = $element->find('span.datetime', 0)->plaintext;
$strdate = str_replace('(', '', $strdate);
$strdate = str_replace(')', '', $strdate);
$item['timestamp'] = strtotime($strdate);
$item['uid'] = $item['uri'] . "/$strdate";
$this->items[] = $item;
}
$this->items = array_reverse($this->items);
}
public function getName()
{
$name = parent::getName() . " $this->queriedContext";
if (isset($this->title)) {
$name .= " - $this->title";
}
return $name;
}
public function getIcon()
{
return self::URI . '/favicon.ico';
}
public function getURI()
{
$url = parent::getURI();
switch ($this->queriedContext) {
case 'Bookmarks':
$user = $this->getInput('user');
$url = self::URI
. '/users/' . $user
. '/bookmarks?bookmark_search[sort_column]=bookmarkable_date';
break;
case 'List':
$url = $this->getInput('url');
break;
case 'Work':
$url = self::URI . '/works/' . $this->getInput('id');
break;
}
return $url;
}
}