Merge pull request #16 from CatoTH/master
Support for Facebook's Real-Time Updates
CatoTH - you might wish to consider moving delete_url to include/network.php, but since that is in a separate repository best to wrap it in "if (! function_exists('delete_url')) ..." in case somebody git updates the addon at a different time than the main code.
This commit is contained in:
friendica
commit
9e05e03a04
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@ -25,7 +25,10 @@ Installing the Friendica/Facebook connector
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and click 'Install Facebook Connector'.
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4. This will ask you to login to Facebook and grant permission to the
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plugin to do its stuff. Allow it to do so.
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5. You're done. To turn it off visit the Plugin Settings page again and
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5. Optional step: If you want to use Facebook Real Time Updates (so new messages
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and new contacts are added ~1min after they are postet / added on FB), go to
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Settings -> plugins -> facebook and press the "Activate Real-Time Updates"-button.
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6. You're done. To turn it off visit the Plugin Settings page again and
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'Remove Facebook posting'.
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Vidoes and embeds will not be posted if there is no other content. Links
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@ -1,8 +1,9 @@
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<?php
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/**
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* Name: Facebook Connector
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* Version: 1.0
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* Version: 1.1
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* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
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* Tobias Hößl <https://github.com/CatoTH/>
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*/
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/**
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@ -31,7 +32,10 @@
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* and click 'Install Facebook Connector'.
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* 4. This will ask you to login to Facebook and grant permission to the
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* plugin to do its stuff. Allow it to do so.
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* 5. You're done. To turn it off visit the Plugin Settings page again and
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* 5. Optional step: If you want to use Facebook Real Time Updates (so new messages
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* and new contacts are added ~1min after they are postet / added on FB), go to
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* Settings -> plugins -> facebook and press the "Activate Real-Time Updates"-button.
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* 6. You're done. To turn it off visit the Plugin Settings page again and
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* 'Remove Facebook posting'.
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*
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* Vidoes and embeds will not be posted if there is no other content. Links
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@ -53,6 +57,8 @@ function facebook_install() {
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register_hook('connector_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
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register_hook('cron', 'addon/facebook/facebook.php', 'facebook_cron');
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register_hook('queue_predeliver', 'addon/facebook/facebook.php', 'fb_queue_hook');
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if (get_config('facebook', 'realtime_active') == 1) facebook_subscription_add_users(); // Restore settings, if the plugin was installed before
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}
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@ -67,6 +73,8 @@ function facebook_uninstall() {
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// hook moved
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unregister_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook');
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unregister_hook('plugin_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
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if (get_config('facebook', 'realtime_active') == 1) facebook_subscription_del_users();
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}
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@ -76,10 +84,93 @@ function facebook_module() {}
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/* If a->argv[1] is a nickname, this is a callback from Facebook oauth requests. */
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// If a->argv[1] is a nickname, this is a callback from Facebook oauth requests.
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// If $_REQUEST["realtime_cb"] is set, this is a callback from the Real-Time Updates API
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function facebook_init(&$a) {
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if (x($_REQUEST, "realtime_cb") && x($_REQUEST, "realtime_cb")) {
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logger("facebook_init: Facebook Real-Time callback called", LOGGER_DEBUG);
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if (x($_REQUEST, "hub_verify_token")) {
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// this is the verification callback while registering for real time updates
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$verify_token = get_config('facebook', 'cb_verify_token');
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if ($verify_token != $_REQUEST["hub_verify_token"]) {
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logger('facebook_init: Wrong Facebook Callback Verifier - expected ' . $verify_token . ', got ' . $_REQUEST["hub_verify_token"]);
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return;
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}
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if (x($_REQUEST, "hub_challenge")) {
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logger('facebook_init: Answering Challenge: ' . $_REQUEST["hub_challenge"], LOGGER_DATA);
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echo $_REQUEST["hub_challenge"];
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die();
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}
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}
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require_once('include/items.php');
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// this is a status update
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$content = file_get_contents("php://input");
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if (is_numeric($content)) $content = file_get_contents("php://input");
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$js = json_decode($content);
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logger(print_r($js, true), LOGGER_DATA);
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if (!isset($js->object) || $js->object != "user" || !isset($js->entry)) {
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logger('facebook_init: Could not parse Real-Time Update data', LOGGER_DEBUG);
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return;
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}
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$affected_users = array("feed" => array(), "friends" => array());
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foreach ($js->entry as $entry) {
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$fbuser = $entry->uid;
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foreach ($entry->changed_fields as $field) {
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if (!isset($affected_users[$field])) {
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logger('facebook_init: Unknown field "' . $field . '"');
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continue;
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}
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if (in_array($fbuser, $affected_users[$field])) continue;
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$r = q("SELECT `uid` FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'self_id' AND `v` = '%s' LIMIT 1", dbesc($fbuser));
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if(! count($r))
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continue;
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$uid = $r[0]['uid'];
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$access_token = get_pconfig($uid,'facebook','access_token');
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if(! $access_token)
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return;
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switch ($field) {
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case "feed":
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logger('facebook_init: FB-User ' . $fbuser . ' / feed', LOGGER_DEBUG);
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if(! get_pconfig($uid,'facebook','no_wall')) {
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$private_wall = intval(get_pconfig($uid,'facebook','private_wall'));
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$s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
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if($s) {
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$j = json_decode($s);
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logger('facebook_init: wall: ' . print_r($j,true), LOGGER_DATA);
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fb_consume_stream($uid,$j,($private_wall) ? false : true);
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}
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}
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break;
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case "friends":
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logger('facebook_init: FB-User ' . $fbuser . ' / friends', LOGGER_DEBUG);
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fb_get_friends($uid, false);
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set_pconfig($uid,'facebook','friend_check',time());
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break;
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default:
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logger('facebook_init: Unknown callback field for ' . $fbuser, LOGGER_NORMAL);
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}
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$affected_users[$field][] = $fbuser;
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}
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}
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}
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if($a->argc != 2)
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return;
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$nick = $a->argv[1];
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@ -91,8 +182,8 @@ function facebook_init(&$a) {
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return;
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$uid = $r[0]['uid'];
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$auth_code = (($_GET['code']) ? $_GET['code'] : '');
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$error = (($_GET['error_description']) ? $_GET['error_description'] : '');
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$auth_code = (x($_GET, 'code') ? $_GET['code'] : '');
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$error = (x($_GET, 'error_description') ? $_GET['error_description'] : '');
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if($error)
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@ -119,7 +210,7 @@ function facebook_init(&$a) {
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if(get_pconfig($uid,'facebook','no_linking') === false)
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set_pconfig($uid,'facebook','no_linking',1);
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fb_get_self($uid);
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fb_get_friends($uid);
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fb_get_friends($uid, true);
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fb_consume_all($uid);
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}
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@ -140,32 +231,22 @@ function fb_get_self($uid) {
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}
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}
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function fb_get_friends_sync_new($uid, $access_token, $person) {
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$link = 'http://facebook.com/profile.php?id=' . $person->id;
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function fb_get_friends($uid) {
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$r = q("SELECT `uid` FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
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intval($uid)
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$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
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intval($uid),
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dbesc($link)
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);
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if(! count($r))
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return;
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$access_token = get_pconfig($uid,'facebook','access_token');
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if (count($r) == 0) {
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logger('fb_get_friends: new contact found: ' . $link, LOGGER_DEBUG);
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$no_linking = get_pconfig($uid,'facebook','no_linking');
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if($no_linking)
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return;
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fb_get_friends_sync_full($uid, $access_token, $person);
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}
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}
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if(! $access_token)
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return;
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$s = fetch_url('https://graph.facebook.com/me/friends?access_token=' . $access_token);
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if($s) {
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logger('facebook: fb_get_friends: ' . $s, LOGGER_DATA);
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$j = json_decode($s);
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logger('facebook: fb_get_friends: json: ' . print_r($j,true), LOGGER_DATA);
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if(! $j->data)
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return;
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foreach($j->data as $person) {
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function fb_get_friends_sync_full($uid, $access_token, $person) {
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$s = fetch_url('https://graph.facebook.com/' . $person->id . '?access_token=' . $access_token);
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if($s) {
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$jp = json_decode($s);
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@ -208,7 +289,7 @@ function fb_get_friends($uid) {
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intval($r[0]['id'])
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);
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}
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continue;
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return;
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}
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else {
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@ -241,7 +322,7 @@ function fb_get_friends($uid) {
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);
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if(! count($r)) {
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continue;
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return;
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}
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$contact = $r[0];
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@ -270,6 +351,37 @@ function fb_get_friends($uid) {
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}
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}
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// if $fullsync is true, only new contacts are searched for
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function fb_get_friends($uid, $fullsync = true) {
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$r = q("SELECT `uid` FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
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intval($uid)
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);
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if(! count($r))
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return;
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$access_token = get_pconfig($uid,'facebook','access_token');
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$no_linking = get_pconfig($uid,'facebook','no_linking');
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if($no_linking)
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return;
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if(! $access_token)
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return;
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$s = fetch_url('https://graph.facebook.com/me/friends?access_token=' . $access_token);
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if($s) {
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logger('facebook: fb_get_friends: ' . $s, LOGGER_DATA);
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$j = json_decode($s);
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logger('facebook: fb_get_friends: json: ' . print_r($j,true), LOGGER_DATA);
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if(! $j->data)
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return;
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foreach($j->data as $person)
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if ($fullsync)
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fb_get_friends_sync_full($uid, $access_token, $person);
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else
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fb_get_friends_sync_new($uid, $access_token, $person);
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}
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}
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@ -314,7 +426,7 @@ function facebook_post(&$a) {
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elseif(intval($no_linking) && intval($linkvalue)) {
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// FB linkage is now allowed - import stuff.
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fb_get_self($uid);
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fb_get_friends($uid);
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fb_get_friends($uid, true);
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fb_consume_all($uid);
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}
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@ -339,7 +451,7 @@ function facebook_content(&$a) {
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}
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if($a->argc > 1 && $a->argv[1] === 'friends') {
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fb_get_friends(local_user());
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fb_get_friends(local_user(), true);
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info( t('Updating contacts') . EOL);
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}
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@ -457,13 +569,40 @@ function facebook_cron($a,$b) {
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if($last_friend_check)
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$next_friend_check = $last_friend_check + 86400;
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if($next_friend_check <= time()) {
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fb_get_friends($rr['uid']);
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fb_get_friends($rr['uid'], true);
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set_pconfig($rr['uid'],'facebook','friend_check',time());
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}
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fb_consume_all($rr['uid']);
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}
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}
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if (get_config('facebook', 'realtime_active') == 1) {
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if (!facebook_check_realtime_active()) {
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logger('facebook_cron: Facebook is not sending Real-Time Updates any more, although it is supposed to. Trying to fix it...', LOGGER_NORMAL);
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facebook_subscription_add_users();
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if (facebook_check_realtime_active())
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logger('facebook_cron: Successful', LOGGER_NORMAL);
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else {
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logger('facebook_cron: Failed', LOGGER_NORMAL);
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if(strlen($a->config['admin_email']) && !get_config('facebook', 'realtime_err_mailsent')) {
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$res = mail($a->config['admin_email'], t('Problems with Facebook Real-Time Updates'),
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"Hi!\n\nThere's a problem with the Facebook Real-Time Updates that cannob be solved automatically. Maybe an permission issue?\n\nThis e-mail will only be sent once.",
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'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
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. 'Content-type: text/plain; charset=UTF-8' . "\n"
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. 'Content-transfer-encoding: 8bit'
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);
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set_config('facebook', 'realtime_err_mailsent', 1);
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}
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}
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} else { // !facebook_check_realtime_active()
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del_config('facebook', 'realtime_err_mailsent');
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}
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}
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set_config('facebook','last_poll', time());
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}
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@ -479,6 +618,27 @@ function facebook_plugin_settings(&$a,&$b) {
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}
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function facebook_plugin_admin(&$a, &$o){
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$activated = facebook_check_realtime_active();
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if ($activated) {
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$o = t('Real-Time Updates are activated.') . '<br><br>';
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$o .= '<input type="submit" name="real_time_deactivate" value="' . t('Deactivate Real-Time Updates') . '">';
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} else {
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$o = t('Real-Time Updates not activated.') . '<br><input type="submit" name="real_time_activate" value="' . t('Activate Real-Time Updates') . '">';
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}
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}
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function facebook_plugin_admin_post(&$a, &$o){
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if (x($_REQUEST,'real_time_activate')) {
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facebook_subscription_add_users();
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}
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if (x($_REQUEST,'real_time_deactivate')) {
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facebook_subscription_del_users();
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}
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}
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function facebook_jot_nets(&$a,&$b) {
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if(! local_user())
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return;
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@ -1153,3 +1313,188 @@ function fb_consume_stream($uid,$j,$wall = false) {
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}
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}
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function fb_get_app_access_token() {
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$acc_token = get_config('facebook','app_access_token');
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if ($acc_token !== false) return $acc_token;
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$appid = get_config('facebook','appid');
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$appsecret = get_config('facebook', 'appsecret');
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if ($appid === false || $appsecret === false) {
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logger('fb_get_app_access_token: appid and/or appsecret not set', LOGGER_DEBUG);
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return false;
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}
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$x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . "&grant_type=client_credentials");
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|
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if(strpos($x,'access_token=') !== false) {
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logger('fb_get_app_access_token: returned access token: ' . $x, LOGGER_DATA);
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||||
|
||||
$token = str_replace('access_token=', '', $x);
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if(strpos($token,'&') !== false)
|
||||
$token = substr($token,0,strpos($token,'&'));
|
||||
|
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if ($token == "") {
|
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logger('fb_get_app_access_token: empty token: ' . $x, LOGGER_DEBUG);
|
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return false;
|
||||
}
|
||||
set_config('facebook','app_access_token',$token);
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return $token;
|
||||
} else {
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logger('fb_get_app_access_token: response did not contain an access_token: ' . $x, LOGGER_DATA);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
function facebook_subscription_del_users() {
|
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$a = get_app();
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$access_token = fb_get_app_access_token();
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||||
|
||||
$url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
|
||||
facebook_delete_url($url);
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||||
|
||||
del_config('facebook', 'realtime_active');
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||||
}
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||||
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||||
function facebook_subscription_add_users() {
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||||
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$a = get_app();
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$access_token = fb_get_app_access_token();
|
||||
|
||||
$url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
|
||||
|
||||
list($usec, $sec) = explode(" ", microtime());
|
||||
$verify_token = sha1($usec . $sec . rand(0, 999999999));
|
||||
set_config('facebook', 'cb_verify_token', $verify_token);
|
||||
|
||||
$cb = $a->get_baseurl() . '/facebook/?realtime_cb=1';
|
||||
|
||||
$j = post_url($url,array(
|
||||
"object" => "user",
|
||||
"fields" => "feed,friends",
|
||||
"callback_url" => $cb,
|
||||
"verify_token" => $verify_token,
|
||||
));
|
||||
del_config('facebook', 'cb_verify_token');
|
||||
|
||||
if ($j) {
|
||||
logger("Facebook reponse: " . $j, LOGGER_DATA);
|
||||
|
||||
if (facebook_check_realtime_active()) set_config('facebook', 'realtime_active', 1);
|
||||
};
|
||||
}
|
||||
|
||||
function facebook_subscriptions_get() {
|
||||
|
||||
$access_token = fb_get_app_access_token();
|
||||
if (!$access_token) return null;
|
||||
|
||||
$url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
|
||||
$j = fetch_url($url);
|
||||
$ret = null;
|
||||
if ($j) {
|
||||
$x = json_decode($j);
|
||||
if (isset($x->data)) $ret = $x->data;
|
||||
}
|
||||
return $ret;
|
||||
}
|
||||
|
||||
|
||||
function facebook_check_realtime_active() {
|
||||
$ret = facebook_subscriptions_get();
|
||||
if (is_null($ret)) return false;
|
||||
if (is_array($ret)) foreach ($ret as $re) if (is_object($re) && $re->object == "user") return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
// DELETE-request to $url
|
||||
|
||||
if(! function_exists('facebook_delete_url')) {
|
||||
function facebook_delete_url($url,$headers = null, &$redirects = 0, $timeout = 0) {
|
||||
$a = get_app();
|
||||
$ch = curl_init($url);
|
||||
if(($redirects > 8) || (! $ch))
|
||||
return false;
|
||||
|
||||
curl_setopt($ch, CURLOPT_HEADER, true);
|
||||
curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
|
||||
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "DELETE");
|
||||
curl_setopt($ch, CURLOPT_USERAGENT, "Friendica");
|
||||
|
||||
if(intval($timeout)) {
|
||||
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
|
||||
}
|
||||
else {
|
||||
$curl_time = intval(get_config('system','curl_timeout'));
|
||||
curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
|
||||
}
|
||||
|
||||
if(defined('LIGHTTPD')) {
|
||||
if(!is_array($headers)) {
|
||||
$headers = array('Expect:');
|
||||
} else {
|
||||
if(!in_array('Expect:', $headers)) {
|
||||
array_push($headers, 'Expect:');
|
||||
}
|
||||
}
|
||||
}
|
||||
if($headers)
|
||||
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
|
||||
|
||||
$check_cert = get_config('system','verifyssl');
|
||||
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
|
||||
$prx = get_config('system','proxy');
|
||||
if(strlen($prx)) {
|
||||
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
|
||||
curl_setopt($ch, CURLOPT_PROXY, $prx);
|
||||
$prxusr = get_config('system','proxyuser');
|
||||
if(strlen($prxusr))
|
||||
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
|
||||
}
|
||||
|
||||
$a->set_curl_code(0);
|
||||
|
||||
// don't let curl abort the entire application
|
||||
// if it throws any errors.
|
||||
|
||||
$s = @curl_exec($ch);
|
||||
|
||||
$base = $s;
|
||||
$curl_info = curl_getinfo($ch);
|
||||
$http_code = $curl_info['http_code'];
|
||||
|
||||
$header = '';
|
||||
|
||||
// Pull out multiple headers, e.g. proxy and continuation headers
|
||||
// allow for HTTP/2.x without fixing code
|
||||
|
||||
while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
|
||||
$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
|
||||
$header .= $chunk;
|
||||
$base = substr($base,strlen($chunk));
|
||||
}
|
||||
|
||||
if($http_code == 301 || $http_code == 302 || $http_code == 303) {
|
||||
$matches = array();
|
||||
preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
|
||||
$url = trim(array_pop($matches));
|
||||
$url_parsed = @parse_url($url);
|
||||
if (isset($url_parsed)) {
|
||||
$redirects++;
|
||||
return delete_url($url,$headers,$redirects,$timeout);
|
||||
}
|
||||
}
|
||||
$a->set_curl_code($http_code);
|
||||
$body = substr($s,strlen($header));
|
||||
|
||||
$a->set_curl_headers($header);
|
||||
|
||||
curl_close($ch);
|
||||
return($body);
|
||||
}}
|
||||
Loading…
Reference in New Issue
Block a user