adding diaspora to the list for social sync

Signed-off-by: call-me-matt <nextcloud@matthiasheinisch.de>

5 files changed, 95 insertions, 1 deletions

diff --git a/css/icons.scss b/css/icons.scss
index 14889d61..1516587f 100644
--- a/css/icons.scss
+++ b/css/icons.scss
@@ -39,6 +39,7 @@
 @include icon-black-white('mastodon', 'contacts', 2);	// “mastodon (fab)” by fontawesome.com is licensed under CC BY 4.0. (https://fontawesome.com/icons/mastodon?style=brands)
 @include icon-black-white('tumblr', 'contacts', 2);		// “tumblr (fab)” by fontawesome.com is licensed under CC BY 4.0. (https://fontawesome.com/icons/tumblr?style=brands)
 @include icon-black-white('twitter', 'contacts', 2);	// “twitter (fab)” by fontawesome.com is licensed under CC BY 4.0. (https://fontawesome.com/icons/twitter?style=brands)
+@include icon-black-white('diaspora', 'contacts', 2);	// “diaspora (fab)” by fontawesome.com is licensed under CC BY 4.0. (https://fontawesome.com/icons/diaspora?style=brands)
 
 .icon-up-force-white {
 	// using #fffffe to trick the accessibility dark theme icon invert
diff --git a/img/diaspora.svg b/img/diaspora.svg
new file mode 100644
index 00000000..6e5b75fa
--- /dev/null
+++ b/img/diaspora.svg
@@ -0,0 +1 @@
+<svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="diaspora" class="svg-inline--fa fa-diaspora fa-w-16" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M251.64 354.55c-1.4 0-88 119.9-88.7 119.9S76.34 414 76 413.25s86.6-125.7 86.6-127.4c0-2.2-129.6-44-137.6-47.1-1.3-.5 31.4-101.8 31.7-102.1.6-.7 144.4 47 145.5 47 .4 0 .9-.6 1-1.3.4-2 1-148.6 1.7-149.6.8-1.2 104.5-.7 105.1-.3 1.5 1 3.5 156.1 6.1 156.1 1.4 0 138.7-47 139.3-46.3.8.9 31.9 102.2 31.5 102.6-.9.9-140.2 47.1-140.6 48.8-.3 1.4 82.8 122.1 82.5 122.9s-85.5 63.5-86.3 63.5c-1-.2-89-125.5-90.9-125.5z"></path></svg>
\ No newline at end of file
diff --git a/img/license.txt b/img/license.txt
index d4e74fdb..8ce24f73 100644
--- a/img/license.txt
+++ b/img/license.txt
@@ -4,3 +4,4 @@
 * “mastodon (fab)” by fontawesome.com is licensed under CC BY 4.0. (https://fontawesome.com/icons/mastodon?style=brands)
 * “tumblr (fab)” by fontawesome.com is licensed under CC BY 4.0. (https://fontawesome.com/icons/tumblr?style=brands)
 * “twitter (fab)” by fontawesome.com is licensed under CC BY 4.0. (https://fontawesome.com/icons/twitter?style=brands)
+* “diaspora (fab)” by fontawesome.com is licensed under CC BY 4.0. (https://fontawesome.com/icons/diaspora?style=brands)
diff --git a/lib/Service/Social/CompositeSocialProvider.php b/lib/Service/Social/CompositeSocialProvider.php
index a5f6e484..bca9939d 100644
--- a/lib/Service/Social/CompositeSocialProvider.php
+++ b/lib/Service/Social/CompositeSocialProvider.php
@@ -35,7 +35,8 @@ class CompositeSocialProvider {
 								MastodonProvider $mastodonProvider,
 								FacebookProvider $facebookProvider,
 								TwitterProvider $twitterProvider,
-								TumblrProvider $tumblrProvider) {
+								TumblrProvider $tumblrProvider,
+								DiasporaProvider $diasporaProvider) {
 
 		// This determines the priority of known providers
 		$this->providers = [
@@ -44,6 +45,7 @@ class CompositeSocialProvider {
 			'twitter'   => $twitterProvider,
 			'facebook'  => $facebookProvider,
 			'tumblr'    => $tumblrProvider,
+			'diaspora'  => $diasporaProvider,
 		];
 	}
 
diff --git a/lib/Service/Social/DiasporaProvider.php b/lib/Service/Social/DiasporaProvider.php
new file mode 100644
index 00000000..73f85792
--- /dev/null
+++ b/lib/Service/Social/DiasporaProvider.php
@@ -0,0 +1,89 @@
+<?php
+/**
+ * @copyright Copyright (c) 2020 Matthias Heinisch <nextcloud@matthiasheinisch.de>
+ *
+ * @author Matthias Heinisch <nextcloud@matthiasheinisch.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Contacts\Service\Social;
+
+use OCP\Http\Client\IClientService;
+
+class DiasporaProvider implements ISocialProvider {
+
+	/** @var IClientService */
+	private $httpClient;
+
+	/** @var boolean */
+	private $looping;
+
+	public function __construct(IClientService $httpClient) {
+		$this->httpClient = $httpClient->NewClient();
+		$this->looping = false;
+	}
+	
+	/**
+	 * Returns the profile-id
+	 *
+	 * @param {string} the value from the contact's x-socialprofile
+	 *
+	 * @return string
+	 */
+	public function cleanupId(string $candidate):string {
+		try {
+			if (strpos($candidate, 'http') !== 0) {
+				$user_server = explode('@', $candidate);
+				$candidate = 'https://' . array_pop($user_server) . '/public/' . array_pop($user_server) . '.atom';
+			}
+		} catch (Exception $e) {
+			$candidate = null;
+		}
+		return $candidate;
+	}
+
+	/**
+	 * Returns the profile-picture url
+	 *
+	 * @param {string} profileId the profile-id
+	 *
+	 * @return string|null
+	 */
+	public function getImageUrl(string $profileUrl):?string {
+		try {
+			$result = $this->httpClient->get($profileUrl);
+			$htmlResult = $result->getBody();
+
+			$avatar = '/.*<logo>(.*)<\/logo>.*/';
+			if (preg_match($avatar, $htmlResult, $matches)) {
+				return (str_replace("small", "large", $matches[1]));
+			}
+			// keyword not found, second try:
+			if (!$this->looping) {
+				$this->looping = true;
+				$atom = '/.*<link rel="alternate" href="(.*.atom)".*/';
+				if (preg_match($atom, $htmlResult, $matches)) {
+					return ($this->getImageUrl($matches[1]));
+				}
+			}
+			return null;
+		} catch (Exception $e) {
+			return null;
+		}
+	}
+}