[FirefoxAddonsBridge] Add bridge (#1952)

bridges/FirefoxAddonsBridge.php

@@ -0,0 +1,90 @@
+<?php
+class FirefoxAddonsBridge extends BridgeAbstract {
+	const NAME = 'Firefox Add-ons Bridge';
+	const URI = 'https://addons.mozilla.org/';
+	const DESCRIPTION = 'Returns version history for a Firefox Add-on.';
+	const MAINTAINER = 'VerifiedJoseph';
+	const PARAMETERS = array(array(
+			'id' => array(
+				'name' => 'Add-on ID',
+				'type' => 'text',
+				'required' => true,
+				'exampleValue' => 'save-to-the-wayback-machine',
+			)
+		)
+	);
+
+	const CACHE_TIMEOUT = 3600;
+
+	private $feedName = '';
+	private $releaseDateRegex = '/Released ([\w, ]+) - ([\w. ]+)/';
+	private $xpiFileRegex = '/([A-Za-z0-9_.-]+)\.xpi$/';
+	private $outgoingRegex = '/https:\/\/outgoing.prod.mozaws.net\/v1\/(?:[A-z0-9]+)\//';
+
+	public function collectData() {
+		$html = getSimpleHTMLDOM($this->getURI())
+			or returnServerError('Could not request: ' . $this->getURI());
+
+		$this->feedName = $html->find('h1[class="AddonTitle"] > a', 0)->innertext;
+		$author = $html->find('span.AddonTitle-author > a', 0)->plaintext;
+
+		foreach ($html->find('div.AddonVersionCard-content') as $div) {
+			$item = array();
+
+			$item['title'] = $div->find('h2.AddonVersionCard-version', 0)->plaintext;
+			$item['uri'] = $this->getURI();
+			$item['author'] = $author;
+
+			if (preg_match($this->releaseDateRegex, $div->find('div.AddonVersionCard-fileInfo', 0)->plaintext, $match)) {
+				$item['timestamp'] = $match[1];
+				$size = $match[2];
+			}
+
+			$compatibility = $div->find('div.AddonVersionCard-compatibility', 0)->plaintext;
+			$license = $div->find('p.AddonVersionCard-license', 0)->innertext;
+			$downloadlink = $div->find('a.InstallButtonWrapper-download-link', 0)->href;
+			$releaseNotes = $this->removeOutgoinglink($div->find('div.AddonVersionCard-releaseNotes', 0));
+
+			if (preg_match($this->xpiFileRegex, $downloadlink, $match)) {
+				$xpiFilename = $match[0];
+			}
+
+			$item['content'] = <<<EOD
+<strong>Release Notes</strong>
+<p>{$releaseNotes}</p>
+<strong>Compatibility</strong>
+<p>{$compatibility}</p>
+<strong>License</strong>
+<p>{$license}</p>
+<strong>Download</strong>
+<p><a href="{$downloadlink}">{$xpiFilename}</a> ($size)</p>
+EOD;
+
+			$this->items[] = $item;
+		}
+	}
+
+	public function getURI() {
+		if (!is_null($this->getInput('id'))) {
+			return self::URI . 'en-US/firefox/addon/' . $this->getInput('id') . '/versions/';
+		}
+
+		return parent::getURI();
+	}
+
+	public function getName() {
+		if (!empty($this->feedName)) {
+			return $this->feedName . ' - Firefox Add-on';
+		}
+
+		return parent::getName();
+	}
+
+	private function removeOutgoinglink($html) {
+		foreach ($html->find('a') as $a) {
+			$a->href = urldecode(preg_replace($this->outgoingRegex, '', $a->href));
+		}
+
+		return $html->innertext;
+	}
+}