--- /dev/null
+<?php
+/**
+ * Name: Buffer Post Connector
+ * Description: Post to Buffer
+ * Version: 0.1 alpha
+ * Author: Michael Vogel <http://pirati.ca/profile/heluecht>
+ */
+require('addon/buffer/bufferapp.php');
+
+function buffer_install() {
+ register_hook('post_local', 'addon/buffer/buffer.php', 'buffer_post_local');
+ register_hook('notifier_normal', 'addon/buffer/buffer.php', 'buffer_send');
+ register_hook('jot_networks', 'addon/buffer/buffer.php', 'buffer_jot_nets');
+ register_hook('connector_settings', 'addon/buffer/buffer.php', 'buffer_settings');
+ register_hook('connector_settings_post', 'addon/buffer/buffer.php', 'buffer_settings_post');
+}
+
+function buffer_uninstall() {
+ unregister_hook('post_local', 'addon/buffer/buffer.php', 'buffer_post_local');
+ unregister_hook('notifier_normal', 'addon/buffer/buffer.php', 'buffer_send');
+ unregister_hook('jot_networks', 'addon/buffer/buffer.php', 'buffer_jot_nets');
+ unregister_hook('connector_settings', 'addon/buffer/buffer.php', 'buffer_settings');
+ unregister_hook('connector_settings_post', 'addon/buffer/buffer.php', 'buffer_settings_post');
+}
+
+function buffer_module() {}
+
+function buffer_content(&$a) {
+
+ if(! local_user()) {
+ notice( t('Permission denied.') . EOL);
+ return '';
+ }
+
+ require_once("mod/settings.php");
+ settings_init($a);
+
+ if (isset($a->argv[1]))
+ switch ($a->argv[1]) {
+ case "connect":
+ $o = buffer_connect($a);
+ break;
+ default:
+ $o = print_r($a->argv, true);
+ break;
+ }
+ else
+ $o = buffer_connect($a);
+
+ return $o;
+}
+
+function buffer_plugin_admin(&$a, &$o){
+ $t = get_markup_template( "admin.tpl", "addon/buffer/" );
+
+ $o = replace_macros($t, array(
+ '$submit' => t('Save Settings'),
+ // name, label, value, help, [extra values]
+ '$client_id' => array('client_id', t('Client ID'), get_config('buffer', 'client_id' ), ''),
+ '$client_secret' => array('client_secret', t('Client Secret'), get_config('buffer', 'client_secret' ), ''),
+ ));
+}
+
+function buffer_connect(&$a) {
+
+ if (isset($_REQUEST["error"])) {
+ $o = t('Error when registering buffer connection:')." ".$_REQUEST["error"];
+ return $o;
+ }
+ // Start a session. This is necessary to hold on to a few keys the callback script will also need
+ session_start();
+
+ // Define the needed keys
+ $client_id = get_config('buffer','client_id');
+ $client_secret = get_config('buffer','client_secret');
+
+ // The callback URL is the script that gets called after the user authenticates with buffer
+ $callback_url = $a->get_baseurl()."/buffer/connect";
+
+ $buffer = new BufferApp($client_id, $client_secret, $callback_url);
+
+ if (!$buffer->ok) {
+ $o .= '<a href="' . $buffer->get_login_url() . '">Connect to Buffer!</a>';
+ } else {
+ logger("buffer_connect: authenticated");
+ $o .= t("You are now authenticated to buffer. ");
+ $o .= '<br /><a href="'.$a->get_baseurl().'/settings/connectors">'.t("return to the connector page").'</a>';
+ set_pconfig(local_user(), 'buffer','access_token', $buffer->access_token);
+ }
+
+ return($o);
+}
+
+function buffer_jot_nets(&$a,&$b) {
+ if(! local_user())
+ return;
+
+ $buffer_post = get_pconfig(local_user(),'buffer','post');
+ if(intval($buffer_post) == 1) {
+ $buffer_defpost = get_pconfig(local_user(),'buffer','post_by_default');
+ $selected = ((intval($buffer_defpost) == 1) ? ' checked="checked" ' : '');
+ $b .= '<div class="profile-jot-net"><input type="checkbox" name="buffer_enable"' . $selected . ' value="1" /> '
+ . t('Post to Buffer') . '</div>';
+ }
+}
+
+function buffer_settings(&$a,&$s) {
+
+ if(! local_user())
+ return;
+
+ /* Add our stylesheet to the page so we can make our settings look nice */
+
+ $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="' . $a->get_baseurl() . '/addon/buffer/buffer.css' . '" media="all" />' . "\r\n";
+
+ /* Get the current state of our config variables */
+
+ $enabled = get_pconfig(local_user(),'buffer','post');
+ $checked = (($enabled) ? ' checked="checked" ' : '');
+ $css = (($enabled) ? '' : '-disabled');
+
+ $def_enabled = get_pconfig(local_user(),'buffer','post_by_default');
+ $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
+
+ /* Add some HTML to the existing form */
+
+ $s .= '<span id="settings_buffer_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_buffer_expanded\'); openClose(\'settings_buffer_inflated\');">';
+ $s .= '<img class="connector'.$css.'" src="images/buffer.png" /><h3 class="connector">'. t('Buffer Export').'</h3>';
+ $s .= '</span>';
+ $s .= '<div id="settings_buffer_expanded" class="settings-block" style="display: none;">';
+ $s .= '<span class="fakelink" onclick="openClose(\'settings_buffer_expanded\'); openClose(\'settings_buffer_inflated\');">';
+ $s .= '<img class="connector'.$css.'" src="images/buffer.png" /><h3 class="connector">'. t('Buffer Export').'</h3>';
+ $s .= '</span>';
+
+ $client_id = get_config("buffer", "client_id");
+ $client_secret = get_config("buffer", "client_secret");
+ $access_token = get_pconfig(local_user(), "buffer", "access_token");
+
+ $s .= '<div id="buffer-password-wrapper">';
+ if ($access_token == "") {
+ $s .= '<div id="buffer-authenticate-wrapper">';
+ $s .= '<a href="'.$a->get_baseurl().'/buffer/connect">'.t("Authenticate your Buffer connection").'</a>';
+ $s .= '</div><div class="clear"></div>';
+ } else {
+ $s .= '<div id="buffer-enable-wrapper">';
+ $s .= '<label id="buffer-enable-label" for="buffer-checkbox">' . t('Enable Buffer Post Plugin') . '</label>';
+ $s .= '<input id="buffer-checkbox" type="checkbox" name="buffer" value="1" ' . $checked . '/>';
+ $s .= '</div><div class="clear"></div>';
+
+ $s .= '<div id="buffer-bydefault-wrapper">';
+ $s .= '<label id="buffer-bydefault-label" for="buffer-bydefault">' . t('Post to Buffer by default') . '</label>';
+ $s .= '<input id="buffer-bydefault" type="checkbox" name="buffer_bydefault" value="1" ' . $def_checked . '/>';
+ $s .= '</div><div class="clear"></div>';
+
+ $s .= '<div id="buffer-delete-wrapper">';
+ $s .= '<label id="buffer-delete-label" for="buffer-delete">' . t('Check to delete this preset') . '</label>';
+ $s .= '<input id="buffer-delete" type="checkbox" name="buffer_delete" value="1" />';
+ $s .= '</div><div class="clear"></div>';
+
+ $buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
+
+ $profiles = $buffer->go('/profiles');
+ if (is_array($profiles)) {
+ $s .= '<div id="buffer-accounts-wrapper">';
+ $s .= t("Posts are going to all accounts that are enabled by default:");
+ $s .= "<ul>";
+ foreach ($profiles as $profile) {
+ if (!$profile->default)
+ continue;
+ $s .= "<li>";
+ //$s .= "<img src='".$profile->avatar_https."' width='16' />";
+ $s .= " ".$profile->formatted_username." (".$profile->formatted_service.")";
+ $s .= "</li>";
+ }
+ $s .= "</ul>";
+ $s .= '</div><div class="clear"></div>';
+ }
+
+ }
+
+ $s .= '</div><div class="clear"></div>';
+
+ /* provide a submit button */
+
+ $s .= '<div class="settings-submit-wrapper" ><input type="submit" id="buffer-submit" name="buffer-submit" class="settings-submit" value="' . t('Save Settings') . '" /></div></div>';
+
+}
+
+
+function buffer_settings_post(&$a,&$b) {
+
+ if(x($_POST,'buffer-submit')) {
+ if(x($_POST,'buffer_delete')) {
+ set_pconfig(local_user(),'buffer','access_token','');
+ set_pconfig(local_user(),'buffer','post',false);
+ set_pconfig(local_user(),'buffer','post_by_default',false);
+ } else {
+ // filtering the username if it is filled wrong
+ $user = $_POST['buffer_user'];
+ if (strstr($user, "@")) {
+ $pos = strpos($user, "@");
+ if ($pos > 0)
+ $user = substr($user, 0, $pos);
+ }
+
+ // Filtering the hostname if someone is entering it with "http"
+ $host = $_POST['buffer_host'];
+ $host = trim($host);
+ $host = str_replace(array("https://", "http://"), array("", ""), $host);
+
+ set_pconfig(local_user(),'buffer','post',intval($_POST['buffer']));
+ set_pconfig(local_user(),'buffer','post_by_default',intval($_POST['buffer_bydefault']));
+
+ //header("Location: ".$a->get_baseurl()."/buffer/connect");
+ }
+ }
+}
+
+function buffer_post_local(&$a,&$b) {
+
+ if((! local_user()) || (local_user() != $b['uid']))
+ return;
+
+ $buffer_post = intval(get_pconfig(local_user(),'buffer','post'));
+
+ $buffer_enable = (($buffer_post && x($_REQUEST,'buffer_enable')) ? intval($_REQUEST['buffer_enable']) : 0);
+
+ if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'buffer','post_by_default')))
+ $buffer_enable = 1;
+
+ if(! $buffer_enable)
+ return;
+
+ if(strlen($b['postopts']))
+ $b['postopts'] .= ',';
+
+ $b['postopts'] .= 'buffer';
+}
+
+function buffer_send(&$a,&$b) {
+
+ if($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
+ return;
+
+ logger("buffer_send: parameter ".print_r($b, true), LOGGER_DATA);
+
+ if(! strstr($b['postopts'],'buffer'))
+ return;
+
+ if($b['parent'] != $b['id'])
+ return;
+
+ // if post comes from buffer don't send it back
+ if($b['app'] == "Buffer")
+ return;
+
+ $client_id = get_config("buffer", "client_id");
+ $client_secret = get_config("buffer", "client_secret");
+ $access_token = get_pconfig($b['uid'], "buffer","access_token");
+
+ if($access_token) {
+ $buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
+
+ $result = q("SELECT `installed` FROM `addon` WHERE `name` = 'privacy_image_cache' AND `installed`");
+ $image_cache = (count($result) > 0);
+
+ require_once("include/plaintext.php");
+ require_once("include/network.php");
+
+ $profiles = $buffer->go('/profiles');
+ if (is_array($profiles)) {
+ foreach ($profiles as $profile) {
+ if (!$profile->default)
+ continue;
+
+ switch ($profile->service) {
+ case 'appdotnet':
+ $limit = 256;
+ $markup = false;
+ $includedlinks = true;
+ break;
+ case 'facebook':
+ $limit = 0;
+ $markup = false;
+ $includedlinks = false;
+ break;
+ case 'google':
+ $limit = 0;
+ $markup = true;
+ $includedlinks = false;
+ break;
+ case 'twitter':
+ $limit = 140;
+ $markup = false;
+ $includedlinks = true;
+ break;
+ case 'linkedin':
+ $limit = 700;
+ $markup = false;
+ $includedlinks = true;
+ break;
+ }
+
+ $item = $b;
+
+ // Markup for Google+
+ if ($markup) {
+ if ($item["title"] != "")
+ $item["title"] = "*".$item["title"]."*";
+
+ $item["body"] = preg_replace("(\[b\](.*?)\[\/b\])ism",'*$1*',$item["body"]);
+ $item["body"] = preg_replace("(\[i\](.*?)\[\/i\])ism",'_$1_',$item["body"]);
+ $item["body"] = preg_replace("(\[s\](.*?)\[\/s\])ism",'-$1-',$item["body"]);
+ }
+
+ $post = plaintext($a, $item, $limit, $includedlinks);
+ logger("buffer_send: converted message ".$b["id"]." result: ".print_r($post, true), LOGGER_DEBUG);
+
+ // The image cache is used as a sanitizer. Buffer seems to be really picky about pictures
+ if ($image_cache) {
+ require_once("addon/privacy_image_cache/privacy_image_cache.php");
+ if (isset($post["image"]))
+ $post["image"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($post["image"]);
+
+ if (isset($post["preview"]))
+ $post["preview"] = $a->get_baseurl() . "/privacy_image_cache/".privacy_image_cache_cachename($post["preview"]);
+ }
+
+ //if ($includedlinks AND isset($post["url"]))
+ // $post["url"] = short_link($post["url"]);
+
+ // Seems like a bug to me
+ // Buffer doesn't add links to Twitter and App.net (but pictures)
+ if ($includedlinks AND isset($post["url"]))
+ $post["text"] .= " ".short_link($post["url"]);
+
+ //if ($includedlinks AND ($post["type"] == "link"))
+ // $post["text"] .= " ".$post["url"];
+
+ //if ($includedlinks AND ($post["type"] == "video"))
+ // $post["text"] .= " ".$post["url"];
+
+ //print_r($post);
+
+ $message = array();
+ $message["text"] = $post["text"];
+ $message["profile_ids[]"] = $profile->id;
+ $message["shorten"] = false;
+ $message["now"] = true;
+
+ if (isset($post["title"]))
+ $message["media[title]"] = $post["title"];
+
+ if (isset($post["description"]))
+ $message["media[description]"] = $post["description"];
+
+ if (isset($post["url"]))
+ $message["media[link]"] = $post["url"];
+
+ if (isset($post["image"])) {
+ $message["media[picture]"] = $post["image"];
+ if ($post["type"] == "photo")
+ $message["media[thumbnail]"] = $post["image"];
+ }
+
+ if (isset($post["preview"]))
+ $message["media[thumbnail]"] = $post["preview"];
+
+ //print_r($message);
+ $ret = $buffer->go('/updates/create', $message);
+ logger("buffer_send: send message ".$b["id"]." result: ".print_r($ret, true), LOGGER_DEBUG);
+ }
+ }
+ }
+}
--- /dev/null
+<?
+ class BufferApp {
+ private $client_id;
+ private $client_secret;
+ private $code;
+ public $access_token;
+
+ private $callback_url;
+ private $authorize_url = 'https://bufferapp.com/oauth2/authorize';
+ private $access_token_url = 'https://api.bufferapp.com/1/oauth2/token.json';
+ private $buffer_url = 'https://api.bufferapp.com/1';
+
+ public $ok = false;
+
+ private $endpoints = array(
+ '/user' => 'get',
+
+ '/profiles' => 'get',
+ '/profiles/:id' => 'get',
+ '/profiles/:id/schedules' => 'get',
+ '/profiles/:id/schedules/update' => 'post', // Array schedules [0][days][]=mon, [0][times][]=12:00
+
+ '/updates/:id' => 'get',
+ '/profiles/:id/updates/pending' => 'get',
+ '/profiles/:id/updates/sent' => 'get',
+ '/updates/:id/interactions' => 'get',
+
+ '/profiles/:id/updates/reorder' => 'post', // Array order, int offset, bool utc
+ '/profiles/:id/updates/shuffle' => 'post',
+ '/updates/create' => 'post', // String text, Array profile_ids, Aool shorten, Bool now, Array media ['link'], ['description'], ['picture']
+ '/updates/:id/update' => 'post', // String text, Bool now, Array media ['link'], ['description'], ['picture'], Bool utc
+ '/updates/:id/share' => 'post',
+ '/updates/:id/destroy' => 'post',
+ '/updates/:id/move_to_top' => 'post',
+
+ '/links/shares' => 'get',
+
+ '/info/configuration' => 'get',
+
+ );
+
+ public $errors = array(
+ 'invalid-endpoint' => 'The endpoint you supplied does not appear to be valid.',
+
+ '403' => 'Permission denied.',
+ '404' => 'Endpoint not found.',
+ '405' => 'Method not allowed.',
+ '1000' => 'An unknown error occurred.',
+ '1001' => 'Access token required.',
+ '1002' => 'Not within application scope.',
+ '1003' => 'Parameter not recognized.',
+ '1004' => 'Required parameter missing.',
+ '1005' => 'Unsupported response format.',
+ '1006' => 'Parameter value not within bounds.',
+ '1010' => 'Profile could not be found.',
+ '1011' => 'No authorization to access profile.',
+ '1012' => 'Profile did not save successfully.',
+ '1013' => 'Profile schedule limit reached.',
+ '1014' => 'Profile limit for user has been reached.',
+ '1015' => 'Profile could not be destroyed.',
+ '1016' => 'Profile buffer could not be emptied.',
+ '1020' => 'Update could not be found.',
+ '1021' => 'No authorization to access update.',
+ '1022' => 'Update did not save successfully.',
+ '1023' => 'Update limit for profile has been reached.',
+ '1024' => 'Update limit for team profile has been reached.',
+ '1025' => "Update was recently posted, can't post duplicate content.",
+ '1026' => 'Update must be in error status to requeue.',
+ '1027' => 'Update must be in buffer and not custom scheduled in order to move to top.',
+ '1028' => 'Update soft limit for profile reached.',
+ '1029' => 'Event type not supported.',
+ '1030' => 'Media filetype not supported.',
+ '1031' => 'Media filesize out of acceptable range.',
+ '1032' => 'Unable to post image to LinkedIn group(s).',
+ '1033' => 'Comments can only be posted to Facebook at this time.',
+ '1034' => 'Cannot schedule updates in the past.',
+ '1042' => 'User did not save successfully.',
+ '1050' => 'Client could not be found.',
+ '1051' => 'No authorization to access client.',
+ );
+
+ function __construct($client_id = '', $client_secret = '', $callback_url = '', $access_token = '') {
+ if ($client_id) $this->set_client_id($client_id);
+ if ($client_secret) $this->set_client_secret($client_secret);
+ if ($callback_url) $this->set_callback_url($callback_url);
+ if ($access_token) $this->access_token = $access_token;
+
+ if (isset($_GET['code']) AND $_GET['code']) {
+ $this->code = $_GET['code'];
+ $this->create_access_token_url();
+ }
+
+ if (!$access_token)
+ $this->retrieve_access_token();
+ }
+
+ function go($endpoint = '', $data = '') {
+ if (in_array($endpoint, array_keys($this->endpoints))) {
+ $done_endpoint = $endpoint;
+ } else {
+ $ok = false;
+
+ foreach (array_keys($this->endpoints) as $done_endpoint) {
+ if (preg_match('/' . preg_replace('/(\:\w+)/i', '(\w+)', str_replace('/', '\/', $done_endpoint)) . '/i', $endpoint, $match)) {
+ $ok = true;
+ break;
+ }
+ }
+
+ if (!$ok) return $this->error('invalid-endpoint');
+ }
+
+ if (!$data || !is_array($data)) $data = array();
+ $data['access_token'] = $this->access_token;
+
+ $method = $this->endpoints[$done_endpoint]; //get() or post()
+ return $this->$method($this->buffer_url . $endpoint . '.json', $data);
+ }
+
+ function store_access_token() {
+ $_SESSION['oauth']['buffer']['access_token'] = $this->access_token;
+ }
+
+ function retrieve_access_token() {
+ $this->access_token = $_SESSION['oauth']['buffer']['access_token'];
+
+ if ($this->access_token) {
+ $this->ok = true;
+ }
+ }
+
+ function error($error) {
+ return (object) array('error' => $this->errors[$error]);
+ }
+
+ function create_access_token_url() {
+ $data = array(
+ 'code' => $this->code,
+ 'grant_type' => 'authorization_code',
+ 'client_id' => $this->client_id,
+ 'client_secret' => $this->client_secret,
+ 'redirect_uri' => $this->callback_url,
+ );
+
+ $obj = $this->post($this->access_token_url, $data);
+ $this->access_token = $obj->access_token;
+
+ $this->store_access_token();
+ }
+
+ function req($url = '', $data = '', $post = true) {
+ if (!$url) return false;
+ if (!$data || !is_array($data)) $data = array();
+
+ $options = array(CURLOPT_RETURNTRANSFER => true, CURLOPT_HEADER => false);
+
+ if ($post) {
+ $options += array(
+ CURLOPT_POST => $post,
+ CURLOPT_POSTFIELDS => $data
+ );
+ } else {
+ $url .= '?' . http_build_query($data);
+ }
+
+ $ch = curl_init($url);
+ curl_setopt_array($ch, $options);
+ $rs = curl_exec($ch);
+
+ $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+ if ($code >= 400) {
+ return $this->error($code);
+ }
+
+ return json_decode($rs);
+ }
+
+ function get($url = '', $data = '') {
+ return $this->req($url, $data, false);
+ }
+
+ function post($url = '', $data = '') {
+ return $this->req($url, $data, true);
+ }
+
+ function get_login_url() {
+ return $this->authorize_url . '?'
+ . 'client_id=' . $this->client_id
+ . '&redirect_uri=' . urlencode($this->callback_url)
+ . '&response_type=code';
+ }
+
+ function set_client_id($client_id) {
+ $this->client_id = $client_id;
+ }
+
+ function set_client_secret($client_secret) {
+ $this->client_secret = $client_secret;
+ }
+
+ function set_callback_url($callback_url) {
+ $this->callback_url = $callback_url;
+ }
+ }
+?>