<?php
+/**
+ *
+ * Module: dfrn_request
+ *
+ * Purpose: Handles communication associated with the issuance of
+ * friend requests.
+ *
+ */
+
if(! function_exists('dfrn_request_init')) {
function dfrn_request_init(&$a) {
$which = $a->argv[1];
profile_load($a,$which);
-
return;
}}
+/**
+ * Function: dfrn_request_post
+ *
+ * Purpose:
+ * Handles multiple scenarios.
+ *
+ * Scenario 1:
+ * Clicking 'submit' on a friend request page.
+ *
+ * Scenario 2:
+ * Following Scenario 1, we are brought back to our home site
+ * in order to link our friend request with our own server cell.
+ * After logging in, we click 'submit' to approve the linkage.
+ *
+ */
+
if(! function_exists('dfrn_request_post')) {
function dfrn_request_post(&$a) {
}
- // We've introduced ourself to another cell, then have been returned to our own cell
- // to confirm the request, and then we've clicked submit (perhaps after logging in).
- // That brings us here:
+ /**
+ *
+ * Scenario 2: We've introduced ourself to another cell, then have been returned to our own cell
+ * to confirm the request, and then we've clicked submit (perhaps after logging in).
+ * That brings us here:
+ *
+ */
if((x($_POST,'localconfirm')) && ($_POST['localconfirm'] == 1)) {
- // Ensure this is a valid request
-
+ /**
+ * Ensure this is a valid request
+ */
+
if(local_user() && ($a->user['nickname'] == $a->argv[1]) && (x($_POST,'dfrn_url'))) {
- $dfrn_url = notags(trim($_POST['dfrn_url']));
- $aes_allow = (((x($_POST,'aes_allow')) && ($_POST['aes_allow'] == 1)) ? 1 : 0);
+ $dfrn_url = notags(trim($_POST['dfrn_url']));
+ $aes_allow = (((x($_POST,'aes_allow')) && ($_POST['aes_allow'] == 1)) ? 1 : 0);
$confirm_key = ((x($_POST,'confirm_key')) ? $_POST['confirm_key'] : "");
$contact_record = null;
if(x($dfrn_url)) {
+
+ /**
+ * Lookup the contact based on their URL (which is the only unique thing we have at the moment)
+ */
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
intval(local_user()),
if(count($r)) {
if(strlen($r[0]['dfrn-id'])) {
+
+ /**
+ * We don't need to be here. It has already happened.
+ */
+
notice( t("This introduction has already been accepted.") . EOL );
return;
}
}
else {
+ /**
+ * Scrape the other site's profile page to pick up the dfrn links, key, fn, and photo
+ */
+
require_once('Scrape.php');
-
$parms = scrape_dfrn($dfrn_url);
if(! count($parms)) {
}
}
-
-
$dfrn_request = $parms['dfrn-request'];
+ /********* Escape the entire array ********/
+
dbesc_array($parms);
+ /******************************************/
+
+ /**
+ * Create a contact record on our site for the other person
+ */
$r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `name`, `nick`, `photo`, `site-pubkey`,
`request`, `confirm`, `notify`, `poll`, `aes_allow`)
notice( t("Introduction complete.") . EOL);
}
- // Allow the blocked remote notification to complete
+ /**
+ * Allow the blocked remote notification to complete
+ */
if(is_array($contact_record))
$dfrn_request = $contact_record['request'];
if(strlen($dfrn_request) && strlen($confirm_key))
$s = fetch_url($dfrn_request . '?confirm_key=' . $confirm_key);
- // ignore reply
+
+ // (ignore reply, nothing we can do it failed)
+
goaway($dfrn_url);
return; // NOTREACHED
return; // NOTREACHED
}
- // Otherwise:
-
- // We are the requestee. A person from a remote cell has made an introduction
- // on our profile web page and clicked submit. We will use their DFRN-URL to
- // figure out how to contact their cell.
-
- // Scrape the originating DFRN-URL for everything we need. Create a contact record
- // and an introduction to show our user next time he/she logs in.
- // Finally redirect back to the requestor so that their site can record the request.
- // If our user (the requestee) later confirms this request, a record of it will need
- // to exist on the requestor's cell in order for the confirmation process to complete..
-
- // It's possible that neither the requestor or the requestee are logged in at the moment,
- // and the requestor does not yet have any credentials to the requestee profile.
-
- // Who is the requestee? We've already loaded their profile which means their nickname should be
- // in $a->argv[1] and we should have their complete info in $a->profile.
+ /**
+ * Otherwise:
+ *
+ * Scenario 1:
+ * We are the requestee. A person from a remote cell has made an introduction
+ * on our profile web page and clicked submit. We will use their DFRN-URL to
+ * figure out how to contact their cell.
+ *
+ * Scrape the originating DFRN-URL for everything we need. Create a contact record
+ * and an introduction to show our user next time he/she logs in.
+ * Finally redirect back to the requestor so that their site can record the request.
+ * If our user (the requestee) later confirms this request, a record of it will need
+ * to exist on the requestor's cell in order for the confirmation process to complete..
+ *
+ * It's possible that neither the requestor or the requestee are logged in at the moment,
+ * and the requestor does not yet have any credentials to the requestee profile.
+ *
+ * Who is the requestee? We've already loaded their profile which means their nickname should be
+ * in $a->argv[1] and we should have their complete info in $a->profile.
+ *
+ */
if(! (is_array($a->profile) && count($a->profile))) {
notice( t('Profile unavailable.') . EOL);
return;
}
- $nickname = $a->profile['nickname'];
- $notify_flags = $a->profile['notify-flags'];
- $uid = $a->profile['uid'];
-
+ $nickname = $a->profile['nickname'];
+ $notify_flags = $a->profile['notify-flags'];
+ $uid = $a->profile['uid'];
+ $maxreq = intval($a->profile['maxreq']);
$contact_record = null;
- $failed = false;
- $parms = null;
+ $failed = false;
+ $parms = null;
if( x($_POST,'dfrn_url')) {
+ /**
+ * Block friend request spam
+ */
+
+ if($maxreq) {
+ $r = q("SELECT * FROM `intro` WHERE `datetime` > '%s' AND `uid` = %d",
+ dbesc(datetime_convert('UTC','UTC','now - 24 hours')),
+ intval($uid)
+ );
+ if(count($r) > $maxreq) {
+ notice( $a->profile['name'] . t(' has received too many connection requests today.') . EOL);
+ notice( t('Spam protection measures have been invoked.') . EOL);
+ notice( t('Friends are advised to please try again in 24 hours.') . EOL);
+ return;
+ }
+ }
+
+ /**
+ *
+ * Cleanup old introductions that remain blocked.
+ * Also remove the contact record, but only if there is no existing relationship
+ *
+ */
+
+ $r = q("SELECT `intro`.*, `intro`.`id` AS `iid`, `contact`.`id` AS `cid`, `contact`.`rel`
+ FROM `intro` LEFT JOIN `contact` on `intro`.`contact-id` = `contact`.`id`
+ WHERE `intro`.`blocked` = 1 AND `contact`.`self` = 0 AND `intro`.`datetime` < UTC_TIMESTAMP() - INTERVAL 30 MINUTE ");
+ if(count($r)) {
+ foreach($r as $rr) {
+ if(! $rr['rel']) {
+ q("DELETE FROM `contact` WHERE `id` = %d LIMIT 1",
+ intval($rr['cid'])
+ );
+ }
+ q("DELETE FROM `intro` WHERE `id` = %d LIMIT 1",
+ intval($rr['iid'])
+ );
+ }
+ }
+
$url = trim($_POST['dfrn_url']);
if(! strlen($url)) {
notice( t("Invalid locator") . EOL );
elseif($network === 'stat') {
/**
- *
- * OStatus network
- * Check contact existence
- * Try and scrape together enough information to create a contact record, with us as REL_VIP
- * Substitute our user's feed URL into $url template
- * Send the subscriber home to subscribe
- *
- **/
+ *
+ * OStatus network
+ * Check contact existence
+ * Try and scrape together enough information to create a contact record, with us as REL_VIP
+ * Substitute our user's feed URL into $url template
+ * Send the subscriber home to subscribe
+ *
+ */
$url = str_replace('{uri}', $a->get_baseurl() . '/dfrn_poll/' . $nickname, $url);
goaway($url);
if(($a->argc != 2) || (! count($a->profile)))
return "";
- $a->page['template'] = 'profile';
// "Homecoming". Make sure we're logged in to this site as the correct user. Then offer a confirm button
// to send us to the post section to record the introduction.
if(! local_user()) {
notice( t("Please login to confirm introduction.") . EOL );
+
+ /* setup the return URL to come back to this page if they use openid */
+
+ $stripped = str_replace('q=','',$a->query_string);
+ $_SESSION['return_url'] = trim($stripped,'/');
+
return login();
}
return; // NOTREACHED
}
else {
- $myaddr = ((x($_GET,'address')) ? urldecode($_GET['address']) : '');
- // Normal web request. Display our user's introduction form.
+
+ /**
+ * Normal web request. Display our user's introduction form.
+ */
+
+ /**
+ * Try to auto-fill the profile address
+ */
+
+ if(local_user()) {
+ if(strlen($a->path)) {
+ $myaddr = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
+ }
+ else {
+ $myaddr = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3 );
+ }
+ }
+ elseif(x($_GET,'addr')) {
+ $myaddr = hex2bin($_GET['addr']);
+ }
+ else {
+ /* $_GET variables are already urldecoded */
+ $myaddr = ((x($_GET,'address')) ? $_GET['address'] : '');
+ }
+
+ /**
+ *
+ * The auto_request form only has the profile address
+ * because nobody is going to read the comments and
+ * it doesn't matter if they know you or not.
+ *
+ */
+
if($a->profile['page-flags'] == PAGE_NORMAL)
$tpl = load_view_file('view/dfrn_request.tpl');
else
$tpl = load_view_file('view/auto_request.tpl');
+
$o .= replace_macros($tpl,array(
+ '$header' => t('Friend/Connection Request'),
+ '$pls_answer' => t('Please answer the following:'),
+ '$does_know' => t('Does $name know you?'),
+ '$yes' => t('Yes'),
+ '$no' => t('No'),
+ '$add_note' => t('Add a personal note:'),
+ '$page_desc' => t('Please enter your profile address from one of the following supported social networks:'),
+ '$friendika' => t('Friendika'),
+ '$statusnet' => t('StatusNet/Federated Social Web'),
+ '$private_net' => t("Private \x28secure\x29 network"),
+ '$public_net' => t("Public \x28insecure\x29 network"),
+ '$your_address' => t('Your profile address:'),
+ '$submit' => t('Submit Request'),
+ '$cancel' => t('Cancel'),
'$nickname' => $a->argv[1],
'$name' => $a->profile['name'],
'$myaddr' => $myaddr
projects / friendica.git / blobdiff