diff --git a/Makefile b/Makefile
index 3a8fb0a..7798abf 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ packages:
 
 compile:
 	@mkdir -p bin
-	gcc src/necronda-server.c -o bin/necronda-server -std=c11 -lssl -lcrypto
+	gcc src/necronda-server.c -o bin/necronda-server -std=c11 -lssl -lcrypto -lmagic
 
 install: | packages update compile
 	@echo "Finished!"
diff --git a/src/cache.c b/src/cache.c
index 9288371..36ddbd4 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -6,3 +6,26 @@
  */
 
 #include "cache.h"
+#include "uri.h"
+
+int magic_init() {
+    magic = magic_open(MAGIC_MIME);
+    magic_load(magic, "/usr/share/misc/magic.mgc");
+    return 0;
+}
+
+int cache_init() {
+    magic_init();
+
+    return 0;
+}
+
+int uri_cache_init(http_uri *uri) {
+    if (uri->filename == NULL) {
+        return -1;
+    }
+
+
+
+    return 0;
+}
diff --git a/src/cache.h b/src/cache.h
index 365e069..599dc0c 100644
--- a/src/cache.h
+++ b/src/cache.h
@@ -8,4 +8,25 @@
 #ifndef NECRONDA_SERVER_CACHE_H
 #define NECRONDA_SERVER_CACHE_H
 
+#include <magic.h>
+
+magic_t magic;
+
+typedef struct {
+    char *etag;
+    char *type;
+    char *subtype;
+    char *filename_comp;
+    struct stat stat;
+} meta_data;
+
+typedef struct {
+    char *filename;
+    unsigned short filename_len;
+    meta_data meta;
+} cache_entry;
+
+cache_entry cache[FILE_CACHE_SIZE];
+int cache_entries = 0;
+
 #endif //NECRONDA_SERVER_CACHE_H
diff --git a/src/client.c b/src/client.c
index f8d3266..a6b57f6 100644
--- a/src/client.c
+++ b/src/client.c
@@ -155,9 +155,9 @@ int client_request_handler(sock *client, int req_num) {
         sprintf(err_msg, "It is not allowed to list the contents of this directory.");
         goto respond;
     } else if (uri.filename == NULL && (int) !uri.is_static && (int) uri.is_dir && strlen(uri.pathinfo) == 0) {
+        // TODO list directory contents
         res.status = http_get_status(501);
         sprintf(err_msg, "Listing contents of an directory is currently not implemented.");
-        // TODO list directory contents
         goto respond;
     } else if (uri.filename == NULL || (strlen(uri.pathinfo) > 0 && (int) uri.is_static)) {
         res.status = http_get_status(404);
@@ -312,7 +312,7 @@ int client_handler(sock *client, long client_num, struct sockaddr_in6 *client_ad
 
     log_req_prefix = malloc(256);
     log_client_prefix = malloc(256);
-    sprintf(log_client_prefix, "[%s%4i%s]%s[%*s][%5i]%s", client->enc ? HTTPS_STR : HTTP_STR,
+    sprintf(log_client_prefix, "[%s%4i%s]%s[%*s][%5i]%s", (int) client->enc ? HTTPS_STR : HTTP_STR,
             ntohs(server_addr->sin6_port), CLR_STR, color_table[client_num % 6], INET_ADDRSTRLEN, client_addr_str,
             ntohs(client_addr->sin6_port), CLR_STR);
 
diff --git a/src/necronda-server.c b/src/necronda-server.c
index d8f8759..f9c6aee 100644
--- a/src/necronda-server.c
+++ b/src/necronda-server.c
@@ -11,6 +11,7 @@
 
 #include "utils.c"
 #include "uri.c"
+#include "cache.c"
 #include "http.c"
 #include "client.c"
 
@@ -238,6 +239,7 @@ int main(int argc, const char *argv[]) {
     signal(SIGINT, terminate);
     signal(SIGTERM, terminate);
 
+    cache_init();
     openssl_init();
 
     client.ctx = SSL_CTX_new(TLS_server_method());
diff --git a/src/necronda-server.h b/src/necronda-server.h
index bc71265..904a78b 100644
--- a/src/necronda-server.h
+++ b/src/necronda-server.h
@@ -34,6 +34,7 @@
 #define CLIENT_TIMEOUT 3600
 
 #define CLIENT_MAX_HEADER_SIZE 8192
+#define FILE_CACHE_SIZE 1024
 
 #define ERR_STR "\x1B[1;31m"
 #define CLR_STR "\x1B[0m"
diff --git a/src/uri.c b/src/uri.c
index ef68e0c..7f73ccb 100644
--- a/src/uri.c
+++ b/src/uri.c
@@ -35,9 +35,7 @@ int uri_init(http_uri *uri, const char *webroot, const char *uri_str, int dir_mo
     uri->pathinfo = NULL;
     uri->query = NULL;
     uri->filename = NULL;
-    uri->filename_comp = NULL;
     uri->uri = NULL;
-    uri->etag = NULL;
     uri->is_static = 1;
     uri->is_dir = 0;
     if (uri_str[0] != '/') {
@@ -168,7 +166,5 @@ void uri_free(http_uri *uri) {
     if (uri->pathinfo != NULL) free(uri->pathinfo);
     if (uri->query != NULL) free(uri->query);
     if (uri->filename != NULL) free(uri->filename);
-    if (uri->filename_comp != NULL) free(uri->filename_comp);
-    if (uri->etag != NULL) free(uri->etag);
     if (uri->uri != NULL) free(uri->uri);
 }
diff --git a/src/uri.h b/src/uri.h
index 88716df..b7af308 100644
--- a/src/uri.h
+++ b/src/uri.h
@@ -9,6 +9,7 @@
 #define NECRONDA_SERVER_URI_H
 
 #include <sys/stat.h>
+#include "cache.h"
 
 #define URI_DIR_MODE_FORBIDDEN 0
 #define URI_DIR_MODE_LIST 1
@@ -21,10 +22,8 @@ typedef struct {
     char *pathinfo;       // "login"
     char *query;          // "username=test"
     char *filename;       // "/account/index.php"
-    char *filename_comp;  // "/srv/www/www.test.org/res/.file.css.compressed"
     char *uri;            // "/account/login?username=test"
-    char *etag;
-    struct stat stat;
+    meta_data meta;
     unsigned int is_static:1;
     unsigned int is_dir:1;
 } http_uri;