rss-bridge/bridges/PixivBridge.php

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<?php
class PixivBridge extends BridgeAbstract {
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// Good resource on API return values (Ex: illustType):
// https://hackage.haskell.org/package/pixiv-0.1.0/docs/Web-Pixiv-Types.html
const NAME = 'Pixiv Bridge';
const URI = 'https://www.pixiv.net/';
const DESCRIPTION = 'Returns the tag search from pixiv.net';
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const PARAMETERS = array(
'global' => array(
'posts' => array(
'name' => 'Post Limit',
'type' => 'number',
'defaultValue' => '10'
),
'fullsize' => array(
'name' => 'Full-size Image',
'type' => 'checkbox'
),
'mode' => array(
'name' => 'Post Type',
'type' => 'list',
'values' => array('All Works' => 'all',
'Illustrations' => 'illustrations/',
'Manga' => 'manga/',
'Novels' => 'novels/')
),
),
'Tag' => array(
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'tag' => array(
'name' => 'Query to search',
'exampleValue' => 'オリジナル',
'required' => true
)
),
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'User' => array(
'userid' => array(
'name' => 'User ID from profile URL',
'exampleValue' => '11',
'required' => true
)
)
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);
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// maps from URLs to json keys by context
const JSON_KEY_MAP = array(
'Tag' => array(
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'illustrations/' => 'illust',
'manga/' => 'manga',
'novels/' => 'novel'
),
'User' => array(
'illustrations/' => 'illusts',
'manga/' => 'manga',
'novels/' => 'novels'
)
);
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// Hold the username for getName()
private $username = null;
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public function getName() {
switch($this->queriedContext) {
case 'Tag':
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$context = 'Tag';
$query = $this->getInput('tag');
break;
case 'User':
$context = 'User';
$query = $this->username ?? $this->getInput('userid');
break;
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default:
return parent::getName();
}
$mode = array_search($this->getInput('mode'),
self::PARAMETERS['global']['mode']['values']);
return "Pixiv ${mode} from ${context} ${query}";
}
public function getURI() {
switch($this->queriedContext) {
case 'Tag':
$uri = static::URI . 'tags/' . urlencode($this->getInput('tag') ?? '');
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break;
case 'User':
$uri = static::URI . 'users/' . $this->getInput('userid');
break;
default:
return parent::getURI();
}
if ($this->getInput('mode') != 'all') {
$uri = $uri . '/' . $this->getInput('mode');
}
return $uri;
}
private function getSearchURI($mode) {
switch($this->queriedContext) {
case 'Tag':
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$query = urlencode($this->getInput('tag'));
$uri = static::URI . 'ajax/search/top/' . $query;
break;
case 'User':
$uri = static::URI . 'ajax/user/' . $this->getInput('userid')
. '/profile/top';
break;
default:
returnClientError('Invalid Context');
}
return $uri;
}
private function getDataFromJSON($json, $json_key) {
$json = $json['body'][$json_key];
// Tags context contains subkey
if ($this->queriedContext == 'Tag') {
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$json = $json['data'];
}
return $json;
}
private function collectWorksArray() {
$content = getContents($this->getSearchURI($this->getInput('mode')));
$content = json_decode($content, true);
if ($this->getInput('mode') == 'all') {
$total = array();
foreach(self::JSON_KEY_MAP[$this->queriedContext] as $mode => $json_key) {
$current = $this->getDataFromJSON($content, $json_key);
$total = array_merge($total, $current);
}
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$content = $total;
} else {
$json_key = self::JSON_KEY_MAP[$this->queriedContext][$this->getInput('mode')];
$content = $this->getDataFromJSON($content, $json_key);
}
return $content;
}
public function collectData() {
$content = $this->collectWorksArray();
$content = array_filter($content, function($v, $k) {
return !array_key_exists('isAdContainer', $v);
}, ARRAY_FILTER_USE_BOTH);
// Sort by updateDate to get newest works
usort($content, function($a, $b) {
return $b['updateDate'] <=> $a['updateDate'];
});
$content = array_slice($content, 0, $this->getInput('posts'));
foreach($content as $result) {
// Store username for getName()
if (!$this->username)
$this->username = $result['userName'];
$item = array();
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$item['uid'] = $result['id'];
$subpath = array_key_exists('illustType', $result) ? 'artworks/' : 'novel/show.php?id=';
$item['uri'] = static::URI . $subpath . $result['id'];
$item['title'] = $result['title'];
$item['author'] = $result['userName'];
$item['timestamp'] = $result['updateDate'];
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$item['categories'] = $result['tags'];
$cached_image = $this->cacheImage($result['url'], $result['id'],
array_key_exists('illustType', $result));
$item['content'] = "<img src='" . $cached_image . "' />";
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// Additional content items
if (array_key_exists('pageCount', $result)) {
$item['content'] .= '<br>Page Count: ' . $result['pageCount'];
} else {
$item['content'] .= '<br>Word Count: ' . $result['wordCount'];
}
$this->items[] = $item;
}
}
private function cacheImage($url, $illustId, $isImage) {
$illustId = preg_replace('/[^0-9]/', '', $illustId);
$thumbnailurl = $url;
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$path = PATH_CACHE . 'pixiv_img/';
if(!is_dir($path))
mkdir($path, 0755, true);
$path .= $illustId;
if ($this->getInput('fullsize')) {
$path .= '_fullsize';
}
$path .= '.jpg';
if(!is_file($path)) {
// Get fullsize URL
if ($isImage && $this->getInput('fullsize')) {
$ajax_uri = static::URI . 'ajax/illust/' . $illustId;
$imagejson = json_decode(getContents($ajax_uri), true);
$url = $imagejson['body']['urls']['original'];
}
$headers = array('Referer: ' . static::URI);
try {
$illust = getContents($url, $headers);
} catch (Exception $e) {
$illust = getContents($thumbnailurl, $headers); // Original thumbnail
}
file_put_contents($path, $illust);
}
return 'cache/pixiv_img/' . preg_replace('/.*\//', '', $path);
}
}