482 lines
23 KiB
PHP
482 lines
23 KiB
PHP
<?php
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/**
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* Okay, instead of implementing this with all kinds of callbacks and filter files,
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* this is just going to be one massive file. Fork it and submit PRs to improve it
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* if you feel like it, otherwise I'm just scratching my own itch here.
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*
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* Most important: Keep it simple. Follow one pattern.
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*/
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define('ADD_IDS', False);
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define("GDORN_DEBUG", False);
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class gdorn_comics extends Plugin {
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function about() {
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return array(
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0.1,
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'Yet more stupid-simple comic-fetching.',
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'gdorn'
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);
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}
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function init($host) {
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/**
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* When debugging or writing a new fetcher, use the two RENDER hooks.
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* These work in realtime, but don't cache, so they're slow.
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*
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* So once you are happy with your fetcher, use the ARTICLE_FILTER hook.
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*/
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// $host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
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$host->add_hook($host::HOOK_RENDER_ARTICLE_CDM, $this);
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$host->add_hook($host::HOOK_RENDER_ARTICLE, $this);
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}
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function hook_render_article_cdm($article) {
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return $this->mangle_article($article);
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}
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function hook_render_article($article) {
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try {
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return $this->mangle_article($article);
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}
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catch (Exception $e) {
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$article['content'] .= "<br>Error processing via gdorn_comics plugin!<br>" . $e->getMessage();
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}
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}
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function mangle_article($article) {
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// Penny Arcade
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if (strpos($article["link"], "penny-arcade.com") !== FALSE && strpos($article["title"], "Comic:") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@id="comicFrame"])', $article);
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}
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// The Trenches
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elseif (strpos($article["link"], "trenchescomic.com/comic/post/") !== FALSE &&
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strpos($article["title"], "Comic:") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@id="comic"]//img)', $article);
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}
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// The Better To Find You With (http://sorcery101.net/)
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elseif (strpos($article["link"], "sorcery101.net/the-city-between/thebettertofindyouwith") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@class="webcomic-image"]//img)', $article);
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}
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// Drugs and Wires
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elseif (strpos($article["link"], "drugsandwires.fail/dnwcomic/") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@class="webcomic-image"]//img)', $article);
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}
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// SatW
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elseif (strpos($article["link"], "satwcomic.com/") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@class="container"]//center//img)', $article);
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}
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// Manic Pixie Nightmare Girls
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elseif (strpos($article["link"], "manicpixienightmaregirls.com/") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@id="main"]//img)', $article);
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}
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// PhD Unknown
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elseif (strpos($article["link"], "www.phdunknown.com/index.php?id=") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@id="comicbody"]//img)', $article) . $article['content'];
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}
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// PhD Unknown
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elseif (strpos($article["link"], "www.pilotside.us/comic/") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@id="comic"]//img)', $article) . $article['content'];
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}
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// SBMC
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elseif (strpos($article["link"], "www.smbc-comics.com/comic/") !== FALSE) {
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if (strpos($article["content"], "bonus panel!") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$aftercomic = $this->get_img_tags($xpath, '(//div[@id="aftercomic"]//img)', $article);
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$article['content'] .= $aftercomic;
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}
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}
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// Chainsawsuit
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elseif (strpos($article["link"], "chainsawsuit.com/comic/") !== FALSE ) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@id="comic"]//img)', $article) . $article['content'];
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}
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// Eat That Toast
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elseif (strpos($article["link"], "eatthattoast.com/comic/") !== FALSE ) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//div[@id="comic"]//img)', $article);
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}
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// Poorly Drawn Lines
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elseif (strpos($article["link"], "poorlydrawnlines.com/comic/") !== FALSE ) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$img_tag = $this->get_img_tags($xpath, '(//div[@class="post"]//img)', $article);
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$article['content'] = $img_tag . $article['content'];
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}
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// Cyanide & Happiness
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elseif (strpos($article["link"], "explosm.net/comics") !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '(//img[@id="main-comic"])', $article);
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}
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// Joy of Tech
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elseif (strpos($article['link'], 'www.geekculture.com/joyoftech/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '//p[@class="Maintext"]//img[contains(@src, "joyimages")]', $article);
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}
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/* OotS uses some kind of referer check which prevents the browser from getting the image.
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* Possible fix would be to download the image via fetch_file_contents and mirror it.
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// Order of the Stick
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elseif (strpos(strtolower($article['link']), 'giantitp.com/comics/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, '//td/img[contains(@src, "/comics/images/")]', $article);
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}
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*/
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// Girls with Slingshots
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elseif (strpos($article['link'], 'girlswithslingshots.com/comic/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='cc-comicbody']//img", $article);
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}
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// CTRL+ALT+DEL Sillies
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elseif (strpos($article['link'], 'cad-comic.com/sillies/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='content']/img", $article);
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}
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// CTRL+ALT+DEL
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elseif (strpos($article['link'], 'cad-comic.com/comic/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@class='comicpage']//img[contains(@src, 'Strip')]", $article);
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}
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// Three Panel Soul
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elseif (strpos($article['link'], 'threepanelsoul.com/comic/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='cc-comicbody']/img", $article);
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}
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// Two Lumps
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elseif (strpos($article['link'], 'twolumps.net/d/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//img[@class='ksc' and contains(@src, 'comics')]", $article);
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}
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// Breaking Cat News
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elseif (strpos($article['link'], 'breakingcatnews.com/comic/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']/img", $article);
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}
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// Something Positive
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elseif (strpos($article['link'], 'somethingpositive.net') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//img[starts-with(@src, 'sp') and contains(@src, 'png')]", $article);
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}
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// Gunnerkrigg Court
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elseif (strpos($article['link'], 'gunnerkrigg.com/?p') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//img[starts-with(@src, '/comics/') and @class='comic_image']", $article);
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}
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// Timothy Winchester (People I Know)
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elseif (strpos($article['link'], 'www.timothywinchester.com/2') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$orig_content = strip_tags($article['content']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@class='singleImage']/img[@class='magicfields']", $article);
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$article['content'] .= "<br>$orig_content</br>";
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}
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// Awkward Zombie
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elseif (strpos($article['link'], 'awkwardzombie.com/index.php?comic') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$orig_content = strip_tags($article['content']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']/img", $article);
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$article['content'] .= "<p>$orig_content</p>";
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//also append the blarg post because that's small, interesting,
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//and sometimes necessary for old fogeys like me to get what game it's about
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$entries = $xpath->query("//div[@id='blarg']/div[last()]");
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foreach ($entries as $entry) {
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$article['content'] .= "<p><i>" . $entry->textContent . "</i></p>";
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}
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}
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// Camp Weedonwantcha
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elseif (strpos($article['link'], 'campcomic.com/comic/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']//img", $article);
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}
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// The Oatmeal
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elseif (strpos($article['link'], '//theoatmeal.com/comics/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']//img", $article);
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}
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// Poly In Pictures
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elseif (strpos($article['link'], 'polyinpictures.com/comic/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']//img", $article);
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}
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// Dilbert
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elseif (strpos($article['link'], 'dilbert.com/strip/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@class='img-comic-container']//img", $article);
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}
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// Doghouse Diaries, which has broken alt tags in feedburner (if there are quotes)
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elseif (strpos($article['content'], 'thedoghousediaries.com/dhdcomics/') !== FALSE){
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='imgdiv']//img", $article);
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//also get blog
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$entries = $xpath->query("//div[@id='signoff-wrapper']");
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foreach ($entries as $entry) {
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$article['content'] .= "<p><i>" . $entry->textContent . "</i></p>";
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}
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}
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// Pain Train (to get alt tag)
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elseif (strpos($article['link'], 'paintraincomic.com/comic/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']//img", $article);
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}
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// Achewood (alt tag)
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elseif (strpos($article['link'], 'http://www.achewood.com/index.php?date=') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//p[@id='comic_body']//a//img", $article);
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}
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// Scenes From A Multiverse (to get alt tags)
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elseif (strpos($article['link'], 'amultiverse.com/comic/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']//img", $article);
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}
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// Dead Philosophers
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elseif (strpos($article['link'], 'dead-philosophers.com/?p') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic-1']//img", $article);
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}
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// Robot Hugs
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elseif (strpos($article['link'], 'www.robot-hugs.com/') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic-1']//img", $article);
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// And get blog entry
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$entries = $xpath->query("//div[@class='entry']");
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foreach ($entries as $entry) {
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$article['content'] .= "<br><p><i>" . $entry->textContent . "</i></p>";
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}
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}
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// Dinosaur Comics Cleanup
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elseif (strpos($article['link'], 'qwantz.com/index.php?comic') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//img[@class='comic']", $article);
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//also get the blog
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$entries = $xpath->query("//span[@class='rss-content']");
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foreach ($entries as $entry) {
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$article['content'] .= "<p>" . $entry->ownerDocument->saveXML($entry) . "</p>";
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}
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}
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// XKCD (alt tags we don't need to call out for)
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elseif (strpos($article['content'], 'imgs.xkcd.com/comics/') !== FALSE) {
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//noop
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}
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// Wondermark (alt tag already present)
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elseif (strpos($article['link'], 'wondermark.com/c') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']//img", $article);
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$entries = $xpath->query("//div[@id='comic-notes']");
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foreach ($entries as $entry) {
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$article['content'] .= "<p>" . $entry->ownerDocument->saveXML($entry) . "</p>";
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}
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}
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// Invisible Bread (make the bread visible)
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elseif (strpos($article['content'], 'invisiblebread.com/2') !== FALSE) {
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$doc = new DOMDocument();
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$doc->loadHTML($article['content']);
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$xpath = new DOMXpath($doc);
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$bread = $xpath->query("//a[contains(@href, 'bonus-panel')]")->item(0);
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if ($bread) {
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$bread_page_url = $bread->getAttribute('href');
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$xpath = $this->get_xpath_dealie($bread_page_url);
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$extraimage = $xpath->query("//img[@class='extrapanelimage']")->item(0);
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if ($extraimage) {
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$new_element = $doc->createElement("img");
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$new_element->setAttribute('src', $extraimage->getAttribute('src'));
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$bread->parentNode->replaceChild($new_element, $bread);
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$article['content'] = $doc->saveXML();
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}
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}
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}
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// Questionable Content (cleanup)
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elseif (strpos($article['link'], 'questionablecontent') !== FALSE) {
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// replace the <table> (containing project wonderful) with nothing
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$article['content'] = preg_replace("@<table.*table>@", '', $article['content']);
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// only keep everything starting at the first <img>
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if (preg_match("@.*?(<img.*.png\">.*)@", $article['content'], $matches)) {
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$article['content'] = $matches[1];
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}
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}
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// Alice Grove (get bigger image)
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elseif (strpos($article['link'], 'alicegrove.com') !== FALSE) {
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$xpath = $this->get_xpath_dealie($article['link']);
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$article['content'] = $this->get_img_tags($xpath, "//figure[@class='photo-hires-item']//img", $article);
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}
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// Least I Could Do (wtf image size?)
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elseif (strpos($article['link'], 'leasticoulddo.com/comic') !== FALSE) {
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// $xpath = $this->get_xpath_dealie($article['link']);
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// $article['content'] = $this->get_img_tags($xpath, "//div[@class='comic-wrap']//img[@class='comic']", $article);
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}
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//Sites that provide images and just need alt tags textified.
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elseif (strpos($article['content'], 'www.asofterworld.com/index.php?id') !== FALSE) {
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//no-op
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}
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//No matches
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else {
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return $article;
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}
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$article = $this->alt_textify($article);
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if (GDORN_DEBUG && $article['debug']) {
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foreach ($article['debug'] as $msg) {
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$article['content'] .= "<br><small>" . $msg . "</small>";
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}
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}
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if (ADD_IDS) {
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$article['content'] .= "<br>ID: " . $article['id'];
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}
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return $article;
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}
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/**
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* Inserts text captions from any image with an alt or title tag.
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*/
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function alt_textify($article, $doc = NULL) {
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if ($doc === NULL) {
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$doc = new DOMDocument();
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$doc->loadHTML($article['content']);
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}
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$xpath = new DOMXpath($doc);
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$imgs = $xpath->query('//img');
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foreach ($imgs as $img) {
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$alt_text = trim($img->getAttribute('alt'));
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if ($alt_text == $article['title'] || strpos($article['title'], $alt_text) !== False) {
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$alt_text = false;
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}
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$article['debug'][] = "Got ($alt_text) from alt tag.";
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$title_text = trim($img->getAttribute('title'));
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if ($title_text == $article['title'] || strpos($article['title'], $title_text) !== False) {
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$title_text = false;
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}
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$article['debug'][] = "Got ($alt_text) from title tag.";
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if (!$alt_text && !$title_text) {
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$article['debug'][] = "No alt text for img " . $img->getAttribute('src');
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continue;
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}
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$article['debug'][] = "Before: " . htmlspecialchars($article['content']);
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$new_element = $doc->createElement("div");
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$new_element->appendChild($img->cloneNode());
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$para_element = $doc->createElement("p");
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$para_element->setAttribute('style', 'text-align:center');
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$new_element->appendChild($para_element);
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if ($alt_text && !$title_text){
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$text_element = $doc->createElement("i", $alt_text);
|
|
$para_element->appendChild($text_element);
|
|
} elseif ($title_text && !$alt_text){
|
|
$text_element = $doc->createElement("i", $title_text);
|
|
$para_element->appendChild($text_element);
|
|
} elseif ($alt_text == $title_text){
|
|
$text_element = $doc->createElement("i", $alt_text);
|
|
$para_element->appendChild($text_element);
|
|
} elseif (strpos($alt_text, $title_text) !== false){
|
|
$text_element = $doc->createElement("i", $alt_text);
|
|
$para_element->appendChild($text_element);
|
|
} elseif (strpos($title_text, $alt_text) !== false){
|
|
$text_element = $doc->createElement("i", $title_text);
|
|
} else {
|
|
// there's both alt and title texts, they're both different, use both.
|
|
$alt_element = $doc->createElement("i", $alt_text);
|
|
$para_element->appendChild($alt_element);
|
|
$para_element->appendChild($doc->createElement("br"));
|
|
$title_element = $doc->createElement("i", $title_text);
|
|
$para_element->appendChild($title_element);
|
|
}
|
|
$img->parentNode->replaceChild($new_element, $img);
|
|
}
|
|
$article['content'] = $doc->saveHTML();
|
|
$article['debug'][] = "After: " . htmlspecialchars($article['content']);
|
|
return $article;
|
|
}
|
|
|
|
function get_img_tags($xpath, $query, $article, $base_url=NULL) {
|
|
$img_attributes_whitelist = array('src', 'alt', 'title');
|
|
if (!$base_url){
|
|
$base_url = $article['link'];
|
|
}
|
|
$entries = $xpath->query($query);
|
|
$result_html = '';
|
|
foreach ($entries as $entry) {
|
|
$orig_src = $entry->getAttribute('src');
|
|
$new_src = $this->rel2abs($orig_src, $base_url);
|
|
$article['debug'][] = "rel2abs turned ($orig_src) into ($new_src)";
|
|
$entry->setAttribute('src', $new_src);
|
|
$attributes = $entry->attributes;
|
|
$to_remove = array();
|
|
foreach($attributes as $attrib_name => $node){
|
|
if (!in_array($attrib_name, $img_attributes_whitelist)){
|
|
$to_remove[] = $attrib_name;
|
|
}
|
|
}
|
|
foreach($to_remove as $attrib_name){
|
|
$entry->removeAttribute($attrib_name);
|
|
}
|
|
$result_html .= $entry->ownerDocument->saveXML($entry);
|
|
}
|
|
return $result_html;
|
|
}
|
|
|
|
function get_xpath_dealie($link) {
|
|
list($html, $content_type) = $this->get_content($link);
|
|
$doc = new DOMDocument();
|
|
$doc->loadHTML($html);
|
|
$xpath = new DOMXPath($doc);
|
|
return $xpath;
|
|
}
|
|
|
|
function get_content($link) {
|
|
/**
|
|
* Use this if you want to dig into the linked page for content, e.g. alt tags.
|
|
*/
|
|
global $fetch_last_content_type;
|
|
$html = fetch_file_contents($link);
|
|
if (!$html){
|
|
global $fetch_last_error_code;
|
|
$html = $fetch_last_error_code;
|
|
}
|
|
$content_type = $fetch_last_content_type;
|
|
return array(
|
|
$html,
|
|
$content_type
|
|
);
|
|
}
|
|
|
|
function rel2abs($rel, $base) {
|
|
$rel = trim($rel);
|
|
if (parse_url($rel, PHP_URL_SCHEME) != '' || substr($rel, 0, 2) == '//') {
|
|
return $rel;
|
|
}
|
|
if ($rel[0] == '#' || $rel[0] == '?') {
|
|
return $base . $rel;
|
|
}
|
|
extract(parse_url($base));
|
|
$path = preg_replace('#/[^/]*$#', '', $path);
|
|
if ($rel[0] == '/') {
|
|
$path = '';
|
|
}
|
|
|
|
/* dirty absolute URL */
|
|
$abs = "$host$path/$rel";
|
|
|
|
/* replace '//' or '/./' or '/foo/../' with '/' */
|
|
$re = array(
|
|
'#(/\.?/)#',
|
|
'#/(?!\.\.)[^/]+/\.\./#'
|
|
);
|
|
for ($n = 1; $n > 0; $abs = preg_replace($re, '/', $abs, -1, $n)) {
|
|
}
|
|
|
|
/* absolute URL is ready! */
|
|
return $scheme . '://' . $abs;
|
|
}
|
|
|
|
function api_version() {
|
|
return 2;
|
|
}
|
|
}
|