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.

1 files changed, 329 insertions, 0 deletions

diff --git a/library/ajaxchat/chat/lib/class/AJAXChatTemplate.php b/library/ajaxchat/chat/lib/class/AJAXChatTemplate.php
new file mode 100644
index 000000000..16e53a7e6
--- /dev/null
+++ b/library/ajaxchat/chat/lib/class/AJAXChatTemplate.php
@@ -0,0 +1,329 @@
+<?php
+/*
+ * @package AJAX_Chat
+ * @author Sebastian Tschan
+ * @copyright (c) Sebastian Tschan
+ * @license Modified MIT License
+ * @link https://blueimp.net/ajax/
+ */
+
+// Class to handle HTML templates
+class AJAXChatTemplate {
+
+	var $ajaxChat;
+	var $_regExpTemplateTags;
+	var $_templateFile;
+	var $_contentType;
+	var $_content;
+	var $_parsedContent;
+
+	// Constructor:
+	function __construct(&$ajaxChat, $templateFile, $contentType=null) {
+		$this->ajaxChat = $ajaxChat;
+		$this->_regExpTemplateTags = '/\[(\w+?)(?:(?:\/)|(?:\](.+?)\[\/\1))\]/s';		
+		$this->_templateFile = $templateFile;
+		$this->_contentType = $contentType;
+	}
+
+	function getParsedContent() {
+		if(!$this->_parsedContent) {
+			$this->parseContent();
+		}
+		return $this->_parsedContent;
+	}
+
+	function getContent() {
+		if(!$this->_content) {
+			$this->_content = AJAXChatFileSystem::getFileContents($this->_templateFile);
+		}
+		return $this->_content;
+	}
+
+	function parseContent() {
+		$this->_parsedContent = $this->getContent();
+		
+		// Remove the XML declaration if the content-type is not xml:		
+		if($this->_contentType && (strpos($this->_contentType,'xml') === false)) {
+			$doctypeStart = strpos($this->_parsedContent, '<!DOCTYPE ');
+			if($doctypeStart !== false) {
+				// Removing the XML declaration (in front of the document type) prevents IE<7 to go into "Quirks mode":
+				$this->_parsedContent = substr($this->_parsedContent, $doctypeStart);	
+			}		
+		}
+
+		// Replace template tags ([TAG/] and [TAG]content[/TAG]) and return parsed template content:
+		$this->_parsedContent = preg_replace_callback($this->_regExpTemplateTags, array($this, 'replaceTemplateTags'), $this->_parsedContent);
+	}
+
+	function replaceTemplateTags($tagData) {
+		switch($tagData[1]) {
+			case 'AJAX_CHAT_URL':
+				return $this->ajaxChat->htmlEncode($this->ajaxChat->getChatURL());
+
+			case 'LANG':
+				return $this->ajaxChat->htmlEncode($this->ajaxChat->getLang((isset($tagData[2]) ? $tagData[2] : null)));				
+			case 'LANG_CODE':
+				return $this->ajaxChat->getLangCode();
+
+			case 'BASE_DIRECTION':
+				return $this->getBaseDirectionAttribute();
+
+			case 'CONTENT_ENCODING':
+				return $this->ajaxChat->getConfig('contentEncoding');
+					
+			case 'CONTENT_TYPE':
+				return $this->_contentType;
+		
+			case 'LOGIN_URL':
+				return ($this->ajaxChat->getRequestVar('view') == 'logs') ? './?view=logs' : './';
+				
+			case 'USER_NAME_MAX_LENGTH':
+				return $this->ajaxChat->getConfig('userNameMaxLength');
+			case 'MESSAGE_TEXT_MAX_LENGTH':
+				return $this->ajaxChat->getConfig('messageTextMaxLength');
+
+			case 'LOGIN_CHANNEL_ID':
+				return $this->ajaxChat->getValidRequestChannelID();
+				
+			case 'SESSION_NAME':
+				return $this->ajaxChat->getConfig('sessionName');
+				
+			case 'COOKIE_EXPIRATION':
+				return $this->ajaxChat->getConfig('sessionCookieLifeTime');
+			case 'COOKIE_PATH':
+				return $this->ajaxChat->getConfig('sessionCookiePath');
+			case 'COOKIE_DOMAIN':
+				return $this->ajaxChat->getConfig('sessionCookieDomain');
+			case 'COOKIE_SECURE':
+				return $this->ajaxChat->getConfig('sessionCookieSecure');
+				
+			case 'CHAT_BOT_NAME':
+				return rawurlencode($this->ajaxChat->getConfig('chatBotName'));
+			case 'CHAT_BOT_ID':
+				return $this->ajaxChat->getConfig('chatBotID');
+
+			case 'ALLOW_USER_MESSAGE_DELETE':
+				if($this->ajaxChat->getConfig('allowUserMessageDelete'))
+					return 1;
+				else
+					return 0;
+
+			case 'INACTIVE_TIMEOUT':
+				return $this->ajaxChat->getConfig('inactiveTimeout');
+
+			case 'PRIVATE_CHANNEL_DIFF':
+				return $this->ajaxChat->getConfig('privateChannelDiff');
+			case 'PRIVATE_MESSAGE_DIFF':
+				return $this->ajaxChat->getConfig('privateMessageDiff');
+
+			case 'SHOW_CHANNEL_MESSAGES':
+				if($this->ajaxChat->getConfig('showChannelMessages'))
+					return 1;
+				else
+					return 0;
+
+			case 'SOCKET_SERVER_ENABLED':
+				if($this->ajaxChat->getConfig('socketServerEnabled'))
+					return 1;
+				else
+					return 0;
+
+			case 'SOCKET_SERVER_HOST':
+				if($this->ajaxChat->getConfig('socketServerHost')) {
+					$socketServerHost = $this->ajaxChat->getConfig('socketServerHost');
+				} else {
+					$socketServerHost = (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME']);
+				}
+				return rawurlencode($socketServerHost);
+
+			case 'SOCKET_SERVER_PORT':
+				return $this->ajaxChat->getConfig('socketServerPort');
+
+			case 'SOCKET_SERVER_CHAT_ID':
+				return $this->ajaxChat->getConfig('socketServerChatID');
+
+			case 'STYLE_SHEETS':
+				return $this->getStyleSheetLinkTags();
+				
+			case 'CHANNEL_OPTIONS':
+				return $this->getChannelOptionTags();
+			case 'STYLE_OPTIONS':
+				return $this->getStyleOptionTags();
+			case 'LANGUAGE_OPTIONS':
+				return $this->getLanguageOptionTags();
+			
+			case 'ERROR_MESSAGES':
+				return $this->getErrorMessageTags();
+
+			case 'LOGS_CHANNEL_OPTIONS':
+				return $this->getLogsChannelOptionTags();
+			case 'LOGS_YEAR_OPTIONS':
+				return $this->getLogsYearOptionTags();
+			case 'LOGS_MONTH_OPTIONS':
+				return $this->getLogsMonthOptionTags();
+			case 'LOGS_DAY_OPTIONS':
+				return $this->getLogsDayOptionTags();
+			case 'LOGS_HOUR_OPTIONS':
+				return $this->getLogsHourOptionTags();
+			case 'CLASS_WRITEABLE':
+				$userdata = $this->ajaxChat->getValidLoginUserData();
+				$guestwrite = $this->ajaxChat->getConfig('allowGuestWrite');
+				if ($userdata['userRole'] === AJAX_CHAT_GUEST && $guestwrite === false)
+					return 'write_forbidden';
+				else
+					return 'write_allowed';
+			
+			default:
+				return $this->ajaxChat->replaceCustomTemplateTags($tagData[1], (isset($tagData[2]) ? $tagData[2] : null));
+		}
+	}
+
+	// Function to display alternating table row colors:
+	function alternateRow($rowOdd='rowOdd', $rowEven='rowEven') {
+		static $i;
+		$i += 1;
+		if($i % 2 == 0) {
+			return $rowEven;
+		} else {
+			return $rowOdd;
+		}
+	}
+
+	function getBaseDirectionAttribute() {
+		$langCodeParts = explode('-', $this->ajaxChat->getLangCode());
+		switch($langCodeParts[0]) {
+			case 'ar':
+			case 'fa':
+			case 'he':
+				return 'rtl';
+			default:
+				return 'ltr';
+		}
+	}
+
+	function getStyleSheetLinkTags() {
+		$styleSheets = '';
+		foreach($this->ajaxChat->getConfig('styleAvailable') as $style) {
+			$alternate = ($style == $this->ajaxChat->getConfig('styleDefault')) ? '' : 'alternate ';
+			$styleSheets .= '<link rel="'.$alternate.'stylesheet" type="text/css" href="css/'.rawurlencode($style).'.css" title="'.$this->ajaxChat->htmlEncode($style).'"/>';
+		}
+		return $styleSheets;
+	}
+
+	function getChannelOptionTags() {
+		$channelOptions = '';
+		$channelSelected = false;
+		foreach($this->ajaxChat->getChannels() as $name=>$id) {
+			if($this->ajaxChat->isLoggedIn() && $this->ajaxChat->getChannel()) {
+				$selected = ($id == $this->ajaxChat->getChannel()) ? ' selected="selected"' : '';
+			} else {
+				$selected = ($id == $this->ajaxChat->getConfig('defaultChannelID')) ? ' selected="selected"' : '';
+			}
+			if($selected) {
+				$channelSelected = true;
+			}
+			$channelOptions .= '<option value="'.$this->ajaxChat->htmlEncode($name).'"'.$selected.'>'.$this->ajaxChat->htmlEncode($name).'</option>';
+		}
+		if($this->ajaxChat->isLoggedIn() && $this->ajaxChat->isAllowedToCreatePrivateChannel()) {
+			// Add the private channel of the user to the options list:
+			if(!$channelSelected && $this->ajaxChat->getPrivateChannelID() == $this->ajaxChat->getChannel()) {
+				$selected = ' selected="selected"';
+				$channelSelected = true;
+			} else {
+				$selected = '';
+			}
+			$privateChannelName = $this->ajaxChat->getPrivateChannelName();
+			$channelOptions .= '<option value="'.$this->ajaxChat->htmlEncode($privateChannelName).'"'.$selected.'>'.$this->ajaxChat->htmlEncode($privateChannelName).'</option>';
+		}
+		// If current channel is not in the list, try to retrieve the channelName:
+		if(!$channelSelected) {
+			$channelName = $this->ajaxChat->getChannelName();
+			if($channelName !== null) {
+				$channelOptions .= '<option value="'.$this->ajaxChat->htmlEncode($channelName).'" selected="selected">'.$this->ajaxChat->htmlEncode($channelName).'</option>';
+			} else {
+				// Show an empty selection:
+				$channelOptions .= '<option value="" selected="selected">---</option>';
+			}
+		}
+		return $channelOptions;
+	}
+
+	function getStyleOptionTags() {
+		$styleOptions = '';
+		foreach($this->ajaxChat->getConfig('styleAvailable') as $style) {
+			$selected = ($style == $this->ajaxChat->getConfig('styleDefault')) ? ' selected="selected"' : '';
+			$styleOptions .= '<option value="'.$this->ajaxChat->htmlEncode($style).'"'.$selected.'>'.$this->ajaxChat->htmlEncode($style).'</option>';
+		}
+		return $styleOptions;
+	}
+
+	function getLanguageOptionTags() {
+		$languageOptions = '';
+		$languageNames = $this->ajaxChat->getConfig('langNames');
+		foreach($this->ajaxChat->getConfig('langAvailable') as $langCode) {
+			$selected = ($langCode == $this->ajaxChat->getLangCode()) ? ' selected="selected"' : '';
+			$languageOptions .= '<option value="'.$this->ajaxChat->htmlEncode($langCode).'"'.$selected.'>'.$languageNames[$langCode].'</option>';
+		}
+		return $languageOptions;
+	}
+
+	function getErrorMessageTags() {
+		$errorMessages = '';
+		foreach($this->ajaxChat->getInfoMessages('error') as $error) {
+			$errorMessages .= '<div>'.$this->ajaxChat->htmlEncode($this->ajaxChat->getLang($error)).'</div>';
+		}
+		return $errorMessages;
+	}
+
+	function getLogsChannelOptionTags() {
+		$channelOptions = '';
+		$channelOptions .= '<option value="-3">------</option>';
+		foreach($this->ajaxChat->getChannels() as $key=>$value) {
+			if($this->ajaxChat->getUserRole() != AJAX_CHAT_ADMIN && $this->ajaxChat->getConfig('logsUserAccessChannelList') && !in_array($value, $this->ajaxChat->getConfig('logsUserAccessChannelList'))) {
+				continue;
+			}
+			$channelOptions .= '<option value="'.$value.'">'.$this->ajaxChat->htmlEncode($key).'</option>';
+		}
+		$channelOptions .= '<option value="-1">'.$this->ajaxChat->htmlEncode($this->ajaxChat->getLang('logsPrivateChannels')).'</option>';
+		$channelOptions .= '<option value="-2">'.$this->ajaxChat->htmlEncode($this->ajaxChat->getLang('logsPrivateMessages')).'</option>';
+		return $channelOptions;
+	}
+
+	function getLogsYearOptionTags() {
+		$yearOptions = '';
+		$yearOptions .= '<option value="-1">----</option>';
+		for($year=date('Y'); $year>=$this->ajaxChat->getConfig('logsFirstYear'); $year--) {
+			$yearOptions .= '<option value="'.$year.'">'.$year.'</option>';
+		}
+		return $yearOptions;
+	}
+	
+	function getLogsMonthOptionTags() {
+		$monthOptions = '';
+		$monthOptions .= '<option value="-1">--</option>';
+		for($month=1; $month<=12; $month++) {
+			$monthOptions .= '<option value="'.$month.'">'.sprintf("%02d", $month).'</option>';
+		}
+		return $monthOptions;
+	}
+	
+	function getLogsDayOptionTags() {
+		$dayOptions = '';
+		$dayOptions .= '<option value="-1">--</option>';
+		for($day=1; $day<=31; $day++) {
+			$dayOptions .= '<option value="'.$day.'">'.sprintf("%02d", $day).'</option>';
+		}
+		return $dayOptions;
+	}
+	
+	function getLogsHourOptionTags() {
+		$hourOptions = '';
+		$hourOptions .= '<option value="-1">-----</option>';
+		for($hour=0; $hour<=23; $hour++) {
+			$hourOptions .= '<option value="'.$hour.'">'.sprintf("%02d", $hour).':00</option>';
+		}
+		return $hourOptions;
+	}
+
+}
+?>