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rss-bridge/bridges/PixivBridge.php

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<?php
/**
* Good resource on API return values (Ex: illustType):
* https://hackage.haskell.org/package/pixiv-0.1.0/docs/Web-Pixiv-Types.html
*/
class PixivBridge extends BridgeAbstract
{
const NAME = 'Pixiv Bridge';
const URI = 'https://www.pixiv.net/';
const DESCRIPTION = 'Returns the tag search from pixiv.net';
const MAINTAINER = 'mruac';
const CONFIGURATION = [
'cookie' => [
'required' => false,
'defaultValue' => null
],
'proxy_url' => [
'required' => false,
'defaultValue' => null
]
];
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const PARAMETERS = [
'global' => [
'posts' => [
'name' => 'Post Limit',
'type' => 'number',
'defaultValue' => '10'
],
'fullsize' => [
'name' => 'Full-size Image',
'type' => 'checkbox'
],
'mode' => [
'name' => 'Post Type',
'type' => 'list',
'values' => [
'All Works' => 'all',
'Illustrations' => 'illustrations/',
'Manga' => 'manga/',
'Novels' => 'novels/'
]
],
'mature' => [
'name' => 'Include R-18 works',
'type' => 'checkbox'
],
'ai' => [
'name' => 'Include AI-Generated works',
'type' => 'checkbox'
]
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],
'Tag' => [
'tag' => [
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'name' => 'Query to search',
'exampleValue' => 'オリジナル',
'required' => true
]
],
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'User' => [
'userid' => [
'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 = [
'Tag' => [
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'illustrations/' => 'illust',
'manga/' => 'manga',
'novels/' => 'novel'
],
'User' => [
'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();
}
return 'Pixiv ' . $this->getKey('mode') . " from {$context} {$query}";
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}
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public function getURI()
{
switch ($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 $uri;
}
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private function getSearchURI($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';
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break;
default:
returnClientError('Invalid Context');
}
return $uri;
}
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private function getDataFromJSON($json, $json_key)
{
$key = $json_key;
if (
$this->queriedContext === 'Tag' &&
$this->getOption('cookie') !== null
) {
switch ($json_key) {
case 'illust':
case 'manga':
$key = 'illustManga';
break;
}
}
$json = $json['body'][$key];
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// Tags context contains subkey
if ($this->queriedContext === 'Tag') {
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$json = $json['data'];
if ($this->getOption('cookie') !== null) {
switch ($json_key) {
case 'illust':
$json = array_reduce($json, function ($acc, $i) {
if ($i['illustType'] === 0) {
$acc[] = $i;
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}
return $acc;
}, []);
break;
case 'manga':
$json = array_reduce($json, function ($acc, $i) {
if ($i['illustType'] === 1) {
$acc[] = $i;
}return $acc;
}, []);
break;
}
}
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}
return $json;
}
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private function collectWorksArray()
{
$content = $this->getData($this->getSearchURI($this->getInput('mode')), true, true);
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if ($this->getInput('mode') == 'all') {
$total = [];
foreach (self::JSON_KEY_MAP[$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;
}
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public function collectData()
{
$this->checkOptions();
$proxy_url = $this->getOption('proxy_url');
$proxy_url = $proxy_url ? rtrim($proxy_url, '/') : null;
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$content = $this->collectWorksArray();
$content = array_filter($content, function ($v, $k) {
return !array_key_exists('isAdContainer', $v);
}, ARRAY_FILTER_USE_BOTH);
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// Sort by updateDate to get newest works
usort($content, function ($a, $b) {
return $b['updateDate'] <=> $a['updateDate'];
});
//exclude AI generated works if unchecked.
if ($this->getInput('ai') !== true) {
$content = array_filter($content, function ($v) {
$isAI = $v['aiType'] === 2;
return !$isAI;
});
}
//exclude R-18 works if unchecked.
if ($this->getInput('mature') !== true) {
$content = array_filter($content, function ($v) {
$isMature = $v['xRestrict'] > 0;
return !$isMature;
});
}
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$content = array_slice($content, 0, $this->getInput('posts'));
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foreach ($content as $result) {
// Store username for getName()
if (!$this->username) {
$this->username = $result['userName'];
}
$item = [];
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$item['uid'] = $result['id'];
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$subpath = array_key_exists('illustType', $result) ? 'artworks/' : 'novel/show.php?id=';
$item['uri'] = static::URI . $subpath . $result['id'];
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$item['title'] = $result['title'];
$item['author'] = $result['userName'];
$item['timestamp'] = $result['updateDate'];
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$item['categories'] = $result['tags'];
if ($proxy_url) {
//use proxy image host if set.
if ($this->getInput('fullsize')) {
$ajax_uri = static::URI . 'ajax/illust/' . $result['id'];
$imagejson = $this->getData($ajax_uri, true, true);
$img_url = preg_replace('/https:\/\/i\.pximg\.net/', $proxy_url, $imagejson['body']['urls']['original']);
} else {
$img_url = preg_replace('/https:\/\/i\.pximg\.net/', $proxy_url, $result['url']);
}
} else {
$img_url = $result['url'];
}
// Currently, this might result in broken image due to their strict referrer check
$item['content'] = sprintf('<a href="%s"><img src="%s"/></a>', $img_url, $img_url);
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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 checkOptions()
{
$proxy = $this->getOption('proxy_url');
if ($proxy) {
if (
!(strlen($proxy) > 0 && preg_match('/https?:\/\/.*/', $proxy))
) {
returnServerError('Invalid proxy_url value set. The proxy must include the HTTP/S at the beginning of the url.');
}
}
$cookie = $this->getCookie();
if ($cookie) {
$isAuth = $this->loadCacheValue('is_authenticated');
if (!$isAuth) {
$res = $this->getData('https://www.pixiv.net/ajax/webpush', true, true);
if ($res['error'] === false) {
$this->saveCacheValue('is_authenticated', true);
}
}
}
}
private function checkCookie(array $headers)
{
if (array_key_exists('set-cookie', $headers)) {
foreach ($headers['set-cookie'] as $value) {
if (str_starts_with($value, 'PHPSESSID=')) {
parse_str(strtr($value, ['&' => '%26', '+' => '%2B', ';' => '&']), $cookie);
if ($cookie['PHPSESSID'] != $this->getCookie()) {
$this->saveCacheValue('cookie', $cookie['PHPSESSID']);
}
break;
}
}
}
}
private function getCookie()
{
// checks if cookie is set, if not initialise it with the cookie from the config
$value = $this->loadCacheValue('cookie');
if (!$value) {
$value = $this->getOption('cookie');
// 30 days + 1 day to let cookie chance to renew
$this->saveCacheValue('cookie', $this->getOption('cookie'), 2678400);
}
return $value;
}
//Cache getContents by default
private function getData(string $url, bool $cache = true, bool $getJSON = false, array $httpHeaders = [], array $curlOptions = [])
{
$cookie_str = $this->getCookie();
if ($cookie_str) {
$curlOptions[CURLOPT_COOKIE] = 'PHPSESSID=' . $cookie_str;
}
if ($cache) {
$response = $this->loadCacheValue($url);
if (!$response || is_array($response)) {
$response = getContents($url, $httpHeaders, $curlOptions, true);
$this->saveCacheValue($url, $response);
}
} else {
$response = getContents($url, $httpHeaders, $curlOptions, true);
}
$this->checkCookie($response->getHeaders());
if ($getJSON) {
return json_decode($response->getBody(), true);
}
return $response->getBody();
}
}