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-rw-r--r--mod/dfrn_request.php131
1 files changed, 93 insertions, 38 deletions
diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php
index e1370dfd8..65a2c771e 100644
--- a/mod/dfrn_request.php
+++ b/mod/dfrn_request.php
@@ -1,5 +1,14 @@
<?php
+/**
+ *
+ * Module: dfrn_request
+ *
+ * Purpose: Handles communication associated with the issuance of
+ * friend requests.
+ *
+ */
+
if(! function_exists('dfrn_request_init')) {
function dfrn_request_init(&$a) {
@@ -7,11 +16,26 @@ function dfrn_request_init(&$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) {
@@ -24,24 +48,34 @@ 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)
+ */
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' AND `self` = 0 LIMIT 1",
intval(local_user()),
@@ -50,6 +84,11 @@ function dfrn_request_post(&$a) {
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;
}
@@ -65,9 +104,12 @@ function dfrn_request_post(&$a) {
}
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($parms)) {
@@ -88,12 +130,17 @@ function dfrn_request_post(&$a) {
}
}
-
-
$dfrn_request = $parms['dfrn-request'];
+ /********* Escape the entire array ********/
+
dbesc_array($parms);
+ /******************************************/
+
+ /**
+ * Create a contact record on our site for the other person
+ */
$r = q("INSERT INTO `contact` ( `uid`, `created`,`url`, `name`, `nick`, `photo`, `site-pubkey`,
`request`, `confirm`, `notify`, `poll`, `aes_allow`)
@@ -117,14 +164,18 @@ function dfrn_request_post(&$a) {
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
@@ -139,23 +190,27 @@ function dfrn_request_post(&$a) {
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($a->profile))) {
notice( t('Profile unavailable.') . EOL);
@@ -343,14 +398,14 @@ function dfrn_request_post(&$a) {
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);