core: Replace CACHE_DIR by PATH_CACHE

Move CACHE_DIR from index.php to /lib/RssBridge.php and change name
to PATH_CACHE.

PATH_CACHE is one of the core paths of RSS-Bridge and should therefore
be defined in the core file RssBridge.php.

7 files changed, 8 insertions, 10 deletions

diff --git a/bridges/ElloBridge.php b/bridges/ElloBridge.php
index 07a91085..b51fed77 100644
--- a/bridges/ElloBridge.php
+++ b/bridges/ElloBridge.php
@@ -121,7 +121,7 @@ class ElloBridge extends BridgeAbstract {
 
 	private function getAPIKey() {
 		$cache = Cache::create('FileCache');
-		$cache->setPath(CACHE_DIR);
+		$cache->setPath(PATH_CACHE);
 		$cache->setParameters(['key']);
 		$key = $cache->loadData();
 
diff --git a/bridges/PixivBridge.php b/bridges/PixivBridge.php
index 21261b31..4e4cf652 100644
--- a/bridges/PixivBridge.php
+++ b/bridges/PixivBridge.php
@@ -53,7 +53,7 @@ class PixivBridge extends BridgeAbstract {
 
 		$url = str_replace('_master1200', '', $url);
 		$url = str_replace('c/240x240/img-master/', 'img-original/', $url);
-		$path = CACHE_DIR . '/pixiv_img';
+		$path = PATH_CACHE . '/pixiv_img';
 
 		if(!is_dir($path))
 			mkdir($path, 0755, true);
diff --git a/bridges/WordPressPluginUpdateBridge.php b/bridges/WordPressPluginUpdateBridge.php
index cb57df84..fb4a57e9 100644
--- a/bridges/WordPressPluginUpdateBridge.php
+++ b/bridges/WordPressPluginUpdateBridge.php
@@ -77,7 +77,7 @@ class WordPressPluginUpdateBridge extends BridgeAbstract {
 		debugMessage('getting pubdate from url ' . $url . '');
 		// Initialize cache
 		$cache = Cache::create('FileCache');
-		$cache->setPath(CACHE_DIR . '/pages');
+		$cache->setPath(PATH_CACHE . '/pages');
 		$params = [$url];
 		$cache->setParameters($params);
 		// Get cachefile timestamp
diff --git a/index.php b/index.php
index 0bafbf7d..e2e97267 100644
--- a/index.php
+++ b/index.php
@@ -28,9 +28,6 @@ if(file_exists('DEBUG')) {
 
 require_once __DIR__ . '/lib/RssBridge.php';
 
-// Specify directory for cached files (using FileCache)
-define('CACHE_DIR', __DIR__ . '/cache');
-
 // Specify path for whitelist file
 define('WHITELIST_FILE', __DIR__ . '/whitelist.txt');
 
@@ -222,7 +219,7 @@ try {
 
 		// Initialize cache
 		$cache = Cache::create('FileCache');
-		$cache->setPath(CACHE_DIR);
+		$cache->setPath(PATH_CACHE);
 		$cache->purgeCache(86400); // 24 hours
 		$cache->setParameters($cache_params);
 
diff --git a/lib/Configuration.php b/lib/Configuration.php
index bc7b5895..ed2c9436 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -31,8 +31,8 @@ class Configuration {
 			die('"json" extension not loaded. Please check "php.ini"');
 
 		// Check cache folder permissions (write permissions required)
-		if(!is_writable(CACHE_DIR))
-			die('RSS-Bridge does not have write permissions for ' . CACHE_DIR . '!');
+		if(!is_writable(PATH_CACHE))
+			die('RSS-Bridge does not have write permissions for ' . PATH_CACHE . '!');
 
 		// Check whitelist file permissions (only in DEBUG mode)
 		if(!file_exists(WHITELIST_FILE) && !is_writable(dirname(WHITELIST_FILE)))
diff --git a/lib/RssBridge.php b/lib/RssBridge.php
index 3044339c..2293ed35 100644
--- a/lib/RssBridge.php
+++ b/lib/RssBridge.php
@@ -2,6 +2,7 @@
 
 define('PATH_VENDOR', __DIR__ . '/../vendor'); // Path for vendor library
 define('PATH_LIB', __DIR__ . '/../lib'); // Path for core library
+define('PATH_CACHE', __DIR__ . '/../cache'); // Path to cache folder
 
 // Classes
 require_once PATH_LIB . '/Exceptions.php';
diff --git a/lib/contents.php b/lib/contents.php
index a1343da9..3f3d36c5 100644
--- a/lib/contents.php
+++ b/lib/contents.php
@@ -113,7 +113,7 @@ $defaultSpanText = DEFAULT_SPAN_TEXT){
 
 	// Initialize cache
 	$cache = Cache::create('FileCache');
-	$cache->setPath(CACHE_DIR . '/pages');
+	$cache->setPath(PATH_CACHE . '/pages');
 	$cache->purgeCache(86400); // 24 hours (forced)
 
 	$params = [$url];