From 724ad4505628d493b43b4f585512d67dc0b4ee76 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Sat, 18 Jan 2014 23:49:39 -0800
Subject: add ajaxchat library - needs a lot of integration work to handle
 decentralisation (e.g. chatroom@website) and zotid w/permissions (e.g. ACL
 controlled chatrooms); we can also rip out a lot of stuff we don't need.

---
 library/ajaxchat/chat/lib/class/CustomAJAXChat.php | 124 +++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 library/ajaxchat/chat/lib/class/CustomAJAXChat.php

(limited to 'library/ajaxchat/chat/lib/class/CustomAJAXChat.php')

diff --git a/library/ajaxchat/chat/lib/class/CustomAJAXChat.php b/library/ajaxchat/chat/lib/class/CustomAJAXChat.php
new file mode 100644
index 000000000..a18e64069
--- /dev/null
+++ b/library/ajaxchat/chat/lib/class/CustomAJAXChat.php
@@ -0,0 +1,124 @@
+<?php
+/*
+ * @package AJAX_Chat
+ * @author Sebastian Tschan
+ * @copyright (c) Sebastian Tschan
+ * @license Modified MIT License
+ * @link https://blueimp.net/ajax/
+ */
+
+class CustomAJAXChat extends AJAXChat {
+
+	// Returns an associative array containing userName, userID and userRole
+	// Returns null if login is invalid
+	function getValidLoginUserData() {
+		
+		$customUsers = $this->getCustomUsers();
+		
+		if($this->getRequestVar('password')) {
+			// Check if we have a valid registered user:
+
+			$userName = $this->getRequestVar('userName');
+			$userName = $this->convertEncoding($userName, $this->getConfig('contentEncoding'), $this->getConfig('sourceEncoding'));
+
+			$password = $this->getRequestVar('password');
+			$password = $this->convertEncoding($password, $this->getConfig('contentEncoding'), $this->getConfig('sourceEncoding'));
+
+			foreach($customUsers as $key=>$value) {
+				if(($value['userName'] == $userName) && ($value['password'] == $password)) {
+					$userData = array();
+					$userData['userID'] = $key;
+					$userData['userName'] = $this->trimUserName($value['userName']);
+					$userData['userRole'] = $value['userRole'];
+					return $userData;
+				}
+			}
+			
+			return null;
+		} else {
+			// Guest users:
+			return $this->getGuestUser();
+		}
+	}
+
+	// Store the channels the current user has access to
+	// Make sure channel names don't contain any whitespace
+	function &getChannels() {
+		if($this->_channels === null) {
+			$this->_channels = array();
+			
+			$customUsers = $this->getCustomUsers();
+			
+			// Get the channels, the user has access to:
+			if($this->getUserRole() == AJAX_CHAT_GUEST) {
+				$validChannels = $customUsers[0]['channels'];
+			} else {
+				$validChannels = $customUsers[$this->getUserID()]['channels'];
+			}
+			
+			// Add the valid channels to the channel list (the defaultChannelID is always valid):
+			foreach($this->getAllChannels() as $key=>$value) {
+				if ($value == $this->getConfig('defaultChannelID')) {
+					$this->_channels[$key] = $value;
+					continue;
+				}
+				// Check if we have to limit the available channels:
+				if($this->getConfig('limitChannelList') && !in_array($value, $this->getConfig('limitChannelList'))) {
+					continue;
+				}
+				if(in_array($value, $validChannels)) {
+					$this->_channels[$key] = $value;
+				}
+			}
+		}
+		return $this->_channels;
+	}
+
+	// Store all existing channels
+	// Make sure channel names don't contain any whitespace
+	function &getAllChannels() {
+		if($this->_allChannels === null) {
+			// Get all existing channels:
+			$customChannels = $this->getCustomChannels();
+			
+			$defaultChannelFound = false;
+			
+			foreach($customChannels as $name=>$id) {
+				$this->_allChannels[$this->trimChannelName($name)] = $id;
+				if($id == $this->getConfig('defaultChannelID')) {
+					$defaultChannelFound = true;
+				}
+			}
+			
+			if(!$defaultChannelFound) {
+				// Add the default channel as first array element to the channel list
+				// First remove it in case it appeard under a different ID
+				unset($this->_allChannels[$this->getConfig('defaultChannelName')]);
+				$this->_allChannels = array_merge(
+					array(
+						$this->trimChannelName($this->getConfig('defaultChannelName'))=>$this->getConfig('defaultChannelID')
+					),
+					$this->_allChannels
+				);
+			}
+		}
+		return $this->_allChannels;
+	}
+
+	function &getCustomUsers() {
+		// List containing the registered chat users:
+		$users = null;
+		require(AJAX_CHAT_PATH.'lib/data/users.php');
+		return $users;
+	}
+	
+	function getCustomChannels() {
+		// List containing the custom channels:
+		$channels = null;
+		require(AJAX_CHAT_PATH.'lib/data/channels.php');
+		// Channel array structure should be:
+		// ChannelName => ChannelID
+		return array_flip($channels);
+	}
+
+}
\ No newline at end of file
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