add hash.md5

5 files changed, 153 insertions, 0 deletions

diff --git a/core/src/xmake/engine.c b/core/src/xmake/engine.c
index 6672a70bf..78a2f44fa 100644
--- a/core/src/xmake/engine.c
+++ b/core/src/xmake/engine.c
@@ -182,6 +182,7 @@ tb_int_t xm_path_is_absolute(lua_State* lua);
 // the hash functions
 tb_int_t xm_hash_uuid4(lua_State* lua);
 tb_int_t xm_hash_sha256(lua_State* lua);
+tb_int_t xm_hash_md5(lua_State* lua);
 
 // the base64 functions
 tb_int_t xm_base64_encode(lua_State* lua);
@@ -388,6 +389,7 @@ static luaL_Reg const g_hash_functions[] =
 {
     { "uuid4",          xm_hash_uuid4  }
 ,   { "sha256",         xm_hash_sha256 }
+,   { "md5",            xm_hash_md5    }
 ,   { tb_null,          tb_null        }
 };
 
diff --git a/core/src/xmake/hash/md5.c b/core/src/xmake/hash/md5.c
new file mode 100644
index 000000000..d392ae670
--- /dev/null
+++ b/core/src/xmake/hash/md5.c
@@ -0,0 +1,127 @@
+/*!A cross-platform build utility based on Lua
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Copyright (C) 2015-present, TBOOX Open Source Group.
+ *
+ * @author      ruki
+ * @file        md5.c
+ *
+ */
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * trace
+ */
+#define TB_TRACE_MODULE_NAME                "md5"
+#define TB_TRACE_MODULE_DEBUG               (0)
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "prefix.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * implementation
+ */
+tb_int_t xm_hash_md5(lua_State* lua)
+{
+    // check
+    tb_assert_and_check_return_val(lua, 0);
+
+    // is bytes? get data and size
+    if (lua_isnumber(lua, 1) && lua_isnumber(lua, 2))
+    {
+        tb_byte_t const* data = (tb_byte_t const*)(tb_size_t)(tb_long_t)lua_tonumber(lua, 1);
+        tb_size_t size = (tb_size_t)lua_tonumber(lua, 2);
+        if (!data || !size)
+        {
+            lua_pushnil(lua);
+            lua_pushfstring(lua, "invalid data(%p) and size(%d)!", data, (tb_int_t)size);
+            return 2;
+        }
+
+        // compute md5
+        tb_byte_t buffer[16];
+        tb_md5_make(data, size, buffer, sizeof(buffer));
+
+        // make md5 string
+        tb_size_t i = 0;
+        tb_char_t s[256] = {0};
+        for (i = 0; i < 16; ++i) tb_snprintf(s + (i << 1), 3, "%02x", buffer[i]);
+
+        // save result
+        lua_pushstring(lua, s);
+        return 1;
+    }
+
+    // get the filename
+    tb_char_t const* filename = luaL_checkstring(lua, 1);
+    tb_check_return_val(filename, 0);
+
+    // load data from file
+    tb_bool_t ok = tb_false;
+    tb_stream_ref_t stream = tb_stream_init_from_file(filename, TB_FILE_MODE_RO);
+    if (stream)
+    {
+        // open stream
+        if (tb_stream_open(stream))
+        {
+            // init md5
+            tb_md5_t md5;
+            tb_md5_init(&md5, 0);
+
+            // read data and update md5
+            tb_byte_t data[TB_STREAM_BLOCK_MAXN];
+            while (!tb_stream_beof(stream))
+            {
+                // read data
+                tb_long_t real = tb_stream_read(stream, data, sizeof(data));
+
+                // ok?
+                if (real > 0) tb_md5_spak(&md5, data, real);
+                // no data? continue it
+                else if (!real)
+                {
+                    // wait
+                    real = tb_stream_wait(stream, TB_STREAM_WAIT_READ, tb_stream_timeout(stream));
+                    tb_check_break(real > 0);
+
+                    // has read?
+                    tb_assert_and_check_break(real & TB_STREAM_WAIT_READ);
+                }
+                // failed or end?
+                else break;
+            }
+
+            // exit md5
+            tb_byte_t buffer[16];
+            tb_md5_exit(&md5, buffer, sizeof(buffer));
+
+            // make md5 string
+            tb_size_t i = 0;
+            tb_char_t s[256] = {0};
+            for (i = 0; i < 16; ++i) tb_snprintf(s + (i << 1), 3, "%02x", buffer[i]);
+
+            // save result
+	        lua_pushstring(lua, s);
+
+            // ok
+            ok = tb_true;
+        }
+
+        // exit stream
+        tb_stream_exit(stream);
+    }
+    if (!ok) lua_pushnil(lua);
+    return 1;
+}
diff --git a/core/src/xmake/makefile b/core/src/xmake/makefile
index 2f29b549c..34f272fce 100644
--- a/core/src/xmake/makefile
+++ b/core/src/xmake/makefile
@@ -99,6 +99,7 @@ xmake_C_FILES 			+= \
 						path/is_absolute \
 						hash/uuid4 \
 						hash/sha256 \
+						hash/md5 \
 						base64/encode \
 						base64/decode \
 						string/trim \
diff --git a/xmake/core/base/hash.lua b/xmake/core/base/hash.lua
index cf9f2249d..88bdbe673 100644
--- a/xmake/core/base/hash.lua
+++ b/xmake/core/base/hash.lua
@@ -27,8 +27,22 @@ local utils = require("base/utils")
 local bytes = require("base/bytes")
 
 -- save metatable and builtin functions
+hash._md5     = hash._md5 or hash.md5
 hash._sha256  = hash._sha256 or hash.sha256
 
+-- make md5 from the given file or data
+function hash.md5(file_or_data)
+    local hashstr, errors
+    if bytes.instance_of(file_or_data) then
+        local datasize = file_or_data:size()
+        local dataaddr = file_or_data:caddr()
+        hashstr, errors = hash._md5(dataaddr, datasize)
+    else
+        hashstr, errors = hash._md5(file_or_data)
+    end
+    return hashstr, errors
+end
+
 -- make sha256 from the given file or data
 function hash.sha256(file_or_data)
     local hashstr, errors
diff --git a/xmake/core/sandbox/modules/hash.lua b/xmake/core/sandbox/modules/hash.lua
index 9ce1465b6..c4bcba57a 100644
--- a/xmake/core/sandbox/modules/hash.lua
+++ b/xmake/core/sandbox/modules/hash.lua
@@ -48,6 +48,15 @@ function sandbox_hash.sha256(file_or_data)
     return sha256
 end
 
+-- make md5 from the given file or data
+function sandbox_hash.md5(file_or_data)
+    local md5, errors = hash.md5(file_or_data)
+    if not md5 then
+        raise("cannot make md5 for %s, %s", file_or_data, errors or "unknown errors")
+    end
+    return md5
+end
+
 -- return module
 return sandbox_hash