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-rw-r--r--addon/facebook/facebook.php217
1 files changed, 195 insertions, 22 deletions
diff --git a/addon/facebook/facebook.php b/addon/facebook/facebook.php
index acf37fcdb..7bebb3b4f 100644
--- a/addon/facebook/facebook.php
+++ b/addon/facebook/facebook.php
@@ -1,26 +1,163 @@
<?php
/**
- * This module needs a lot of work.
+ * This module still needs a lot of work, but is functional today.
+ * Please review this section if you upgrade because things will change.
+ * If you have issues upgrading, remove facebook from the addon list,
+ * view a page on your site, then add it back to the list. This will reset
+ * all of the plugin 'hooks'.
*
- * - setting/storing preferences
- * - documentation on how to obtain FB API keys for your site
- * - ensuring a valid FB login session
- * - requesting permissions within the FB login session to post on your behalf until permission revoked.
+ * 1. register an API key from developer.facebook.com
+ * a. We'd be very happy if you include "Friendika" in the application name
+ * to increase name recognition.
+ * b. The url should be your site URL with a trailing slash
+ * c. Set the following values in your .htconfig.php file
+ * $a->config['facebook']['appid'] = 'xxxxxxxxxxx';
+ * $a->config['facebook']['appsecret'] = 'xxxxxxxxxxxxxxx';
+ * Replace with the settings Facebook gives you.
+ * 2. Enable the facebook plugin by including it in .htconfig.php - e.g.
+ * $a->config['system']['addon'] = 'plugin1,plugin2,facebook';
+ * 3. Visit your site url + '/facebook' (e.g. http://example.com/facebook)
+ * and click 'Install Facebook posting'.
+ * 4. This will ask you to login to Facebook and grant permission to the
+ * plugin to do its stuff. Allow it to do so.
+ * 5. You're done. To turn it off visit your site's /facebook page again and
+ * 'Remove Facebook posting'.
+ *
+ * Turn logging on (see the github Friendika wiki page 'Settings') and
+ * repeat these steps if you have trouble.
+ * Vidoes and embeds will not be posted if there is no other content. Links
+ * and images will be converted to text and long posts truncated - with a link
+ * to view the full post. Posts with permission settings and comments will
+ * not be posted to Facebook.
*
*/
+define('FACEBOOK_MAXPOSTLEN', 420);
+
+/* declare the facebook_module function so that /facebook url requests will land here */
+
+function facebook_module() {}
+
+
+
+/* If a->argv[1] is a nickname, this is a callback from Facebook oauth requests. */
+
+function facebook_init(&$a) {
+
+ if($a->argc != 2)
+ return;
+ $nick = $a->argv[1];
+ if(strlen($nick))
+ $r = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
+ dbesc($nick)
+ );
+ if(! count($r))
+ return;
+
+ $uid = $r[0]['uid'];
+ $auth_code = (($_GET['code']) ? $_GET['code'] : '');
+ $error = (($_GET['error_description']) ? $_GET['error_description'] : '');
+
+
+ if($error)
+ logger('facebook_init: Error: ' . $error);
+
+ if($auth_code && $uid) {
+
+ $appid = get_config('facebook','appid');
+ $appsecret = get_config('facebook', 'appsecret');
+
+ $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id='
+ . $appid . '&client_secret=' . $appsecret . '&redirect_uri='
+ . urlencode($a->get_baseurl() . '/facebook/' . $nick)
+ . '&code=' . $auth_code);
+
+ logger('facebook_init: returned access token: ' . $x, LOGGER_DATA);
+
+ if(strpos($x,'access_token=') !== false) {
+ $token = str_replace('access_token=', '', $x);
+ if(strpos($token,'&') !== false)
+ $token = substr($token,0,strpos($token,'&'));
+ set_pconfig($uid,'facebook','access_token',$token);
+ set_pconfig($uid,'facebook','post','1');
+ }
+
+ // todo: is this a browser session or a server session? where do we go?
+ }
+
+}
+
+function facebook_content(&$a) {
+
+ if(! local_user()) {
+ notice( t('Permission denied.') . EOL);
+ return '';
+ }
+
+ if($a->argc > 1 && $a->argv[1] === 'remove') {
+ del_pconfig(local_user(),'facebook','post');
+ notice( t('Facebook disabled') . EOL);
+ }
+
+ $appid = get_config('facebook','appid');
+
+ if(! $appid) {
+ notify( t('Facebook API key is missing.') . EOL);
+ return '';
+ }
+
+ $o .= '<h3>' . t('Facebook Connect') . '</h3>';
+
+ $o .= '<br />';
+
+ $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
+ . $a->get_baseurl() . '/facebook/' . $a->user['nickname'] . '&scope=publish_stream,read_stream,offline_access">' . t('Install Facebook posting') . '</a><br />';
+
+ $o .= '<a href="' . $a->get_baseurl() . '/facebook/remove' . '">' . t('Remove Facebook posting') . '</a><br />';
+
+
+ return $o;
+}
function facebook_install() {
- register_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook');
+ register_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook');
+ register_hook('jot_networks', 'addon/facebook/facebook.php', 'facebook_jot_nets');
+ register_hook('post_local_start','addon/facebook/facebook.php', 'facebook_post_local');
+
}
function facebook_uninstall() {
- unregister_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook');
+ unregister_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook');
+ unregister_hook('jot_networks', 'addon/facebook/facebook.php', 'facebook_jot_nets');
+ unregister_hook('post_local_start','addon/facebook/facebook.php', 'facebook_post_local');
}
+function facebook_jot_nets(&$a,&$b) {
+ if(! local_user())
+ return;
+
+ $fb_post = get_pconfig(local_user(),'facebook','post');
+ if(intval($fb_post) == 1) {
+ $fb_defpost = get_pconfig(local_user(),'facebook','post_by_default');
+ $selected = ((intval($fb_defpost == 1)) ? ' selected="selected" ' : '');
+ $b .= '<div class="profile-jot-net"><input type="checkbox" name="facebook_enable"' . $selected . 'value="1" /> '
+ . t('Post to Facebook') . '</div>';
+ }
+}
+
+function facebook_post_local(&$a,&$b) {
+
+ if(! local_user())
+ return;
+
+ if((x($b,'facebook_enable')) && (intval($b['facebook_enable'])))
+ set_pconfig(local_user(),'facebook','enable','1');
+ else
+ del_pconfig(local_user(),'facebook','enable');
+}
function facebook_post_hook(&$a,&$b) {
@@ -29,30 +166,66 @@ function facebook_post_hook(&$a,&$b) {
* Post to Facebook stream
*/
- if((local_user()) && (local_user() == $b['uid']) && (! $b['private'])) {
+ logger('Facebook post');
- $appid = get_config('system', 'facebook_appid' );
- $secret = get_config('system', 'facebook_secret' );
+ if((local_user()) && (local_user() == $b['uid']) && (! $b['private']) && (! $b['parent'])) {
+
+
+ $appid = get_config('facebook', 'appid' );
+ $secret = get_config('facebook', 'appsecret' );
if($appid && $secret) {
- $fb_post = get_pconfig(local_user(),'facebook','post');
+ logger('facebook: have appid+secret');
- if($fb_post) {
+ $fb_post = intval(get_pconfig(local_user(),'facebook','post'));
+ $fb_enable = intval(get_pconfig(local_user(),'facebook','enable'));
+ $fb_token = get_pconfig(local_user(),'facebook','access_token');
+
+ if($fb_post && $fb_token && $fb_enable) {
+ logger('facebook: able to post');
require_once('library/facebook.php');
require_once('include/bbcode.php');
- $facebook = new Facebook(array(
- 'appId' => $appid,
- 'secret' => $secret,
- 'cookie' => true
- ));
- try {
- $statusUpdate = $facebook->api('/me/feed', 'post', array('message'=> bbcode($b['body']), 'cb' => ''));
- }
- catch (FacebookApiException $e) {
- notice( t('Facebook status update failed.') . EOL);
+ $msg = $b['body'];
+
+ logger('Facebook post: original msg=' . $msg, LOGGER_DATA);
+
+ // make links readable before we strip the code
+
+ $msg = preg_replace("/\[url=(.+?)\](.+?)\[\/url\]/is",'$2 ($1)',$msg);
+
+ $msg = preg_replace("/\[img\](.+?)\[\/img\]/is", t('Image: ') . '$1',$msg);
+
+ $msg = trim(strip_tags(bbcode($msg)));
+
+ if (strlen($msg) > FACEBOOK_MAXPOSTLEN) {
+ $shortlink = "";
+ require_once('addon/twitter/slinky.php');
+
+ $display_url = $a->get_baseurl() . '/display/' . $a->user['nickname'] . '/' . $b['id'];
+ $slinky = new Slinky( $posturl );
+ // setup a cascade of shortening services
+ // try to get a short link from these services
+ // in the order ur1.ca, trim, id.gd, tinyurl
+ $slinky->set_cascade( array( new Slinky_UR1ca(), new Slinky_Trim(), new Slinky_IsGd(), new Slinky_TinyURL() ) );
+ $shortlink = $slinky->short();
+ // the new message will be shortened such that "... $shortlink"
+ // will fit into the character limit
+ $msg = substr($msg, 0, FACEBOOK_MAXPOSTLEN - strlen($shortlink) - 4);
+ $msg .= '... ' . $shortlink;
}
+ if(! strlen($msg))
+ return;
+
+ logger('Facebook post: msg=' . $msg, LOGGER_DATA);
+
+ $postvars = array('access_token' => $fb_token, 'message' => $msg);
+
+ $x = post_url('https://graph.facebook.com/me/feed', $postvars);
+
+ logger('Facebook post returns: ' . $x, LOGGER_DEBUG);
+
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 16:52:34 +0000