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af_redditimgur: add basic support for reddit galleries

This commit is contained in:
Andrew Dolgov 2021-01-18 15:34:05 +03:00
parent 4e95591087
commit 41bde84a92
1 changed files with 56 additions and 14 deletions
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70
plugins/af_redditimgur/init.php
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@ -105,18 +105,57 @@ class Af_RedditImgur extends Plugin {
$img_entries = $xpath->query("(//img[@src])");
$found = false;
//$debug = 1;
foreach ($entries as $entry) {
if ($entry->hasAttribute("href") && strpos($entry->getAttribute("href"), "reddit.com") === false) {
if ($entry->hasAttribute("href")) {
$entry_href = $entry->getAttribute("href");
if ($this->is_blacklisted($entry_href))
continue;
Debug::log("processing href: " . $entry_href, Debug::$LOG_VERBOSE);
$matches = array();
$matches = [];
if (!$found && preg_match("/^https?:\/\/www\.reddit\.com\/gallery\/(.*)/", $entry_href, $matches)) {
Debug::log("handling as a reddit gallery: " . $matches[1], Debug::$LOG_VERBOSE);
$tmp = UrlHelper::fetch($entry_href);
if ($tmp) {
$tmpdoc = new DOMDocument();
if (@$tmpdoc->loadHTML($tmp)) {
$tmpxpath = new DOMXPath($tmpdoc);
$links = $tmpxpath->query("//figure/a[@href]");
foreach ($links as $link) {
$link_href = $link->getAttribute("href");
if (strpos($link_href, "preview.redd.it") !== false) {
Debug::log("found URL: $link_href", Debug::$LOG_EXTENDED);
// TODO: could there be other media types? videos?
if (strpos($link_href, ".jpg") !== false) {
$img = $doc->createElement("img");
$img->setAttribute("src", $link_href);
$p = $doc->createElement("p");
$p->appendChild($img);
$entry->parentNode->insertBefore($p, $entry);
$found = true;
}
}
}
}
}
}
/* skip other links going to reddit other than galleries (and any other blacklisted stuff) */
if (!$found && $this->is_blacklisted($entry_href, ["reddit.com"])) {
Debug::log("domain is blacklisted, skipping", Debug::$LOG_VERBOSE);
continue;
}
if (!$found && preg_match("/^https?:\/\/twitter.com\/(.*?)\/status\/(.*)/", $entry_href, $matches)) {
Debug::log("handling as twitter: " . $matches[1] . " " . $matches[2], Debug::$LOG_VERBOSE);
@ -500,11 +539,14 @@ class Af_RedditImgur extends Plugin {
}
function testurl() {
$url = htmlspecialchars($_REQUEST["url"]);
header("Content-type: text/plain");
print "URL: $url\n";
Debug::set_enabled(true);
Debug::set_loglevel(Debug::$LOG_VERBOSE);
$url = htmlspecialchars($_REQUEST["url"]);
Debug::log("URL: $url", Debug::$LOG_VERBOSE);
$doc = new DOMDocument();
@$doc->loadHTML("<html><body><a href=\"$url\">[link]</a></body>");
@ -512,16 +554,16 @@ class Af_RedditImgur extends Plugin {
$found = $this->inline_stuff([], $doc, $xpath);
print "Inline result: $found\n";
Debug::log("Inline result: $found");
if (!$found) {
print "\nReadability result:\n";
Debug::log("Readability result:");
$article = $this->readability([], $url, $doc, $xpath);
print_r($article);
} else {
print "\nResulting HTML:\n";
Debug::log("Resulting HTML:");
print $doc->saveHTML();
}
@ -589,10 +631,10 @@ class Af_RedditImgur extends Plugin {
return $article;
}
private function is_blacklisted($src) {
private function is_blacklisted($src, $also_blacklist = []) {
$src_domain = parse_url($src, PHP_URL_HOST);
foreach ($this->domain_blacklist as $domain) {
foreach (array_merge($this->domain_blacklist, $also_blacklist) as $domain) {
if (strstr($src_domain, $domain) !== false) {
return true;
}