增加对空间支持的判断，获取feed方法更强大

lastRSS.php

@@ -1,7 +1,7 @@
 <?php
 /*
 Plugin Name: Rss订阅
-Version: 1.3.2
+Version: 1.3.3
 Plugin URL: http://xiaosong.org/tech/the-official-releas-of-rss-subscribe-plugin
 Description: 订阅朋友的博客feed，显示在自己博客~
 Author: 小松
@@ -93,15 +93,15 @@ function updateFeed($id, $url, $title){
 }
 function getTitle($rss_url){
 	global $rssparser;
-	$rss = $rssparser->get($rss_url);
+	$rss = $rssparser->Get($rss_url);
 	return $rss['title'];
 }
 function updateLogs(){
 	global $rssparser, $DB, $lastRSS_is_urlshort, $lastRSS_is_blank;
 	$feeds = getRssFeeds();
 	while ($item = $DB->fetch_array($feeds)) {
-		$rss = $rssparser->get($item['url']);
+		$rss = $rssparser->Get($item['url']);
-		if(!empty($rss['items']))
+		if(!empty($rss['items'])) {
 			foreach ($rss['items'] as $key => $data) {
 				$rssid = $item['id'];
 				$hash = md5($data['title']);
@@ -116,6 +116,7 @@ function updateLogs(){
 				}
 			}
 		}
+	}
 }
 function displayLog(){
 	global $DB, $lastRSS_item_num;

lastRSS_callback.php

@@ -1,5 +1,6 @@
 <?php
 function callback_init(){
+	if (!get_cfg_var("allow_url_fopen") && !extension_loaded('curl') && !function_exists('file_get_contents')) emMsg('该插件需要开启“allow_url_fopen”或“curl”或“file_get_contents”。请联系空间商开启！'); 
 	$DB = MySql::getInstance();
 	$is_exist_rssfeeds_query = $DB->query('show tables like "'.DB_PREFIX.'rssfeeds"');
 	$is_exist_rsslogs_query = $DB->query('show tables like "'.DB_PREFIX.'rsslogs"');

lastRSS_class.php

@@ -126,18 +126,44 @@ class lastRSS {
 		return strtr ($string, $trans_tbl);
 	}
 
+	// -------------------------------------------------------------------
+	// Get remote file or open url
+	// -------------------------------------------------------------------
+	function getRemoteFile ($url){
+		$results = '';
+		$context = stream_context_create(array(
+	    'http' => array(
+	      'timeout' => 3
+	    ) 
+		));
+	  if (get_cfg_var('allow_url_fopen')) {
+	    $f = fopen($url, 'r');
+	    while (!feof($f)) {
+				$results .= fgets($f, 4096);
+			}
+			fclose($f);
+	  } else if (extension_loaded('curl')) {
+	    $ch = curl_init();
+	    curl_setopt($ch, CURLOPT_URL, $url);
+	    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+	    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
+	    curl_setopt($ch, CURLOPT_USERAGENT, 'PHP Curl/emlog Rss订阅插件');
+	    $results = curl_exec($ch);
+	    curl_close($ch);
+	  } else {
+	  	$results = file_get_contents($url, 0, $context);
+	  }
+	  return $results;
+	}
+
 	// -------------------------------------------------------------------
 	// Parse() is private method used by Get() to load and parse RSS file.
 	// Don't use Parse() in your scripts - use Get($rss_file) instead.
 	// -------------------------------------------------------------------
 	function Parse ($rss_url) {
 		// Open and load RSS file
-		if ($f = @fopen($rss_url, 'r')) {
+		$rss_content = $this->getRemoteFile($rss_url);
-			$rss_content = '';
+		if (!empty($rss_content)) {
-			while (!feof($f)) {
-				$rss_content .= fgets($f, 4096);
-			}
-			fclose($f);
 
 			// Parse document encoding
 			$result['encoding'] = $this->my_preg_match("'encoding=[\'\"](.*?)[\'\"]'si", $rss_content);

lastRSS_setting.php

@@ -61,6 +61,66 @@ function plugin_setting_view(){
 	endif;
 }
 ?>
+<?php
+function plugin_setting(){
+	$do = isset($_GET['do']) ? addslashes($_GET['do']) : '';
+	if ($do == 'del') {
+		$id = intval($_GET['id']);
+		if ($id != 0) {
+			deleteFeed($id);
+			header("Location:plugin.php?plugin=lastRSS&setting=true");
+		}
+	} elseif ($do == 'update') {
+		$id = intval($_POST['id']);
+		$url = isset($_POST['url']) ? trim($_POST['url']) : '';
+		if (!empty($url)) {
+			$title = (isset($_POST['title']) && trim($_POST['title']) !='') ? $_POST['title'] : getTitle($url);
+			$title = addslashes($title);
+			if (!empty($title)) {
+				updateFeed($id, $url, $title);
+				header("Location:plugin.php?plugin=lastRSS&setting=true");
+			} else {
+				emMsg("RSS修改失败，插件无法获取{$url}的标题，请自行添加标题再添加该RSS");
+			}
+		} else {
+			emMsg("RSS修改失败，RSS地址不能为空");
+		}
+	} elseif ($do == 'add') {
+		$url = isset($_POST['url']) ? trim($_POST['url']) : '';
+		if (!empty($url)) {
+			$title = (isset($_POST['title']) && trim($_POST['title']) !='') ? $_POST['title'] : getTitle($url);
+			$title = addslashes($title);
+			if (!empty($title)) {
+				insertFeed($url, $title);
+				updateLogs();
+				header("Location:plugin.php?plugin=lastRSS&setting=true");
+			} else {
+				emMsg("RSS导入失败，插件无法获取{$url}的标题，请自行添加标题再导入该RSS");
+			}
+		} else {
+			emMsg("RSS导入失败，RSS地址不能为空");
+		}
+	} elseif ($do == 'config') {
+		$lastRSS_cache_time = isset($_POST['lastRSS_cache_time']) ? intval($_POST['lastRSS_cache_time']) : 0;
+		$lastRSS_item_num = isset($_POST['lastRSS_item_num']) ? intval($_POST['lastRSS_item_num']) : 2;
+		$lastRSS_is_urlshort = isset($_POST['lastRSS_is_urlshort']) ? intval($_POST['lastRSS_is_urlshort']) : 0;
+		$lastRSS_urlshort_domain = isset($_POST['lastRSS_urlshort_domain']) ? trim($_POST['lastRSS_urlshort_domain']) : 't.cn';
+		$lastRSS_is_blank = isset($_POST['lastRSS_is_blank']) ? intval($_POST['lastRSS_is_blank']) : 0;
+		$data = "<?php
+		\$lastRSS_cache_time = ".$lastRSS_cache_time.";
+		\$lastRSS_item_num = ".$lastRSS_item_num.";
+		\$lastRSS_is_urlshort = ".$lastRSS_is_urlshort.";
+		\$lastRSS_urlshort_domain = '".$lastRSS_urlshort_domain."';
+		\$lastRSS_is_blank = ".$lastRSS_is_blank.";
+	?>";
+		$file = EMLOG_ROOT.'/content/plugins/lastRSS/lastRSS_config.php';
+		@ $fp = fopen($file, 'wb') OR emMsg('读取文件失败，如果您使用的是Unix/Linux主机，请修改文件/content/plugins/lastRSS/lastRSS_config.php的权限为777。如果您使用的是Windows主机，请联系管理员，将该文件设为everyone可写');
+		@ $fw =	fwrite($fp,$data) OR emMsg('写入文件失败，如果您使用的是Unix/Linux主机，请修改文件/content/plugins/lastRSS/lastRSS_config.php的权限为777。如果您使用的是Windows主机，请联系管理员，将该文件设为everyone可写');
+		fclose($fp);
+		header("Location:plugin.php?plugin=lastRSS&setting=true");
+	}
+}
+?>
 </ol>
 <script type="text/javascript">
 	$(function(){
@@ -88,61 +148,3 @@ function plugin_setting_view(){
 		})
 	})
 </script>
-<?php
-$do = isset($_GET['do']) ? addslashes($_GET['do']) : '';
-if ($do == 'del') {
-	$id = intval($_GET['id']);
-	if ($id != 0) {
-		deleteFeed($id);
-		header("Location:plugin.php?plugin=lastRSS&setting=true");
-	}
-} elseif ($do == 'update') {
-	$id = intval($_POST['id']);
-	$url = isset($_POST['url']) ? trim($_POST['url']) : '';
-	if (!empty($url)) {
-		$title = (isset($_POST['title']) && trim($_POST['title']) !='') ? $_POST['title'] : getTitle($url);
-		$title = addslashes($title);
-		if (!empty($title)) {
-			updateFeed($id, $url, $title);
-			header("Location:plugin.php?plugin=lastRSS&setting=true");
-		} else {
-			emMsg("RSS修改失败，插件无法获取{$url}的标题，请自行添加标题再添加该RSS");
-		}
-	} else {
-		emMsg("RSS修改失败，RSS地址不能为空");
-	}
-} elseif ($do == 'add') {
-	$url = isset($_POST['url']) ? trim($_POST['url']) : '';
-	if (!empty($url)) {
-		$title = (isset($_POST['title']) && trim($_POST['title']) !='') ? $_POST['title'] : getTitle($url);
-		$title = addslashes($title);
-		if (!empty($title)) {
-			insertFeed($url, $title);
-			updateLogs();
-			header("Location:plugin.php?plugin=lastRSS&setting=true");
-		} else {
-			emMsg("RSS导入失败，插件无法获取{$url}的标题，请自行添加标题再导入该RSS");
-		}
-	} else {
-		emMsg("RSS导入失败，RSS地址不能为空");
-	}
-} elseif ($do == 'config') {
-	$lastRSS_cache_time = isset($_POST['lastRSS_cache_time']) ? intval($_POST['lastRSS_cache_time']) : 0;
-	$lastRSS_item_num = isset($_POST['lastRSS_item_num']) ? intval($_POST['lastRSS_item_num']) : 2;
-	$lastRSS_is_urlshort = isset($_POST['lastRSS_is_urlshort']) ? intval($_POST['lastRSS_is_urlshort']) : 0;
-	$lastRSS_urlshort_domain = isset($_POST['lastRSS_urlshort_domain']) ? trim($_POST['lastRSS_urlshort_domain']) : 't.cn';
-	$lastRSS_is_blank = isset($_POST['lastRSS_is_blank']) ? intval($_POST['lastRSS_is_blank']) : 0;
-	$data = "<?php
-	\$lastRSS_cache_time = ".$lastRSS_cache_time.";
-	\$lastRSS_item_num = ".$lastRSS_item_num.";
-	\$lastRSS_is_urlshort = ".$lastRSS_is_urlshort.";
-	\$lastRSS_urlshort_domain = '".$lastRSS_urlshort_domain."';
-	\$lastRSS_is_blank = ".$lastRSS_is_blank.";
-?>";
-	$file = EMLOG_ROOT.'/content/plugins/lastRSS/lastRSS_config.php';
-	@ $fp = fopen($file, 'wb') OR emMsg('读取文件失败，如果您使用的是Unix/Linux主机，请修改文件/content/plugins/lastRSS/lastRSS_config.php的权限为777。如果您使用的是Windows主机，请联系管理员，将该文件设为everyone可写');
-	@ $fw =	fwrite($fp,$data) OR emMsg('写入文件失败，如果您使用的是Unix/Linux主机，请修改文件/content/plugins/lastRSS/lastRSS_config.php的权限为777。如果您使用的是Windows主机，请联系管理员，将该文件设为everyone可写');
-	fclose($fp);
-	header("Location:plugin.php?plugin=lastRSS&setting=true");
-}
-?>