Add ENCRYPTION_KEY file

Author: zcbenz

ENCRYPTION_KEY

@@ -0,0 +1 @@
+USE YOUR OWN KEY

scripts/pack.js scripts/package.js

@@ -1,24 +1,41 @@
 cmake_minimum_required(VERSION 3.1)
 
-# Have to set this before creating project.
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.10)
-
+# Makefiles do not work without a build type.
 if((CMAKE_GENERATOR STREQUAL "Unix Makefiles") AND (NOT CMAKE_BUILD_TYPE))
   message(FATAL_ERROR "You must specify a build type.")
 endif()
 
+# Target macOS version, Have to set this before creating project.
+set(CMAKE_OSX_DEPLOYMENT_TARGET 10.10)
+
+# Project name and executable name.
 project(muban)
 set(APP_NAME "muban")
 
+# Utility executable, not shipped in final product.
+add_executable(bin2c bin2c.c)
+
+# The main executable.
 file(GLOB APP_SRC "*.h" "*.cc")
-add_executable(${APP_NAME} ${APP_SRC})
+add_executable(${APP_NAME}
+               ${APP_SRC} "${CMAKE_CURRENT_BINARY_DIR}/encryption_key.h")
+
+# Convert the ENCRYPTION_KEY file into encryption_key.h
+add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/encryption_key.h
+                   COMMAND bin2c -c ../ENCRYPTION_KEY ${CMAKE_CURRENT_BINARY_DIR}/encryption_key.h
+                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+                   DEPENDS bin2c ../ENCRYPTION_KEY)
+target_include_directories(${APP_NAME} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
 
+# Get the absolute path the libyue.
 get_filename_component(LIBYUE_DIR
                        "${CMAKE_SOURCE_DIR}/../libyue"
                        ABSOLUTE)
 
-
+# Add libyue to include dirs.
 target_include_directories(${APP_NAME} PRIVATE "${LIBYUE_DIR}/include")
+
+# Use C++14 standard.
 set_target_properties(${APP_NAME} PROPERTIES
                       CXX_STANDARD 14
                       CXX_STANDARD_REQUIRED ON

src/CMakeLists.txt

@@ -0,0 +1,124 @@
+/*
+ * bin2c.c
+ *
+ * convert a binary file into a C source vector
+ *
+ * THE "BEER-WARE LICENSE" (Revision 3.1415):
+ * sandro AT sigala DOT it wrote this file. As long as you retain this notice you can do
+ * whatever you want with this stuff.  If we meet some day, and you think this stuff is
+ * worth it, you can buy me a beer in return.  Sandro Sigala
+ *
+ * syntax:  bin2c [-c] [-z] <input_file> <output_file>
+ *
+ *          -c    add the "const" keyword to definition
+ *          -z    terminate the array with a zero (useful for embedded C strings)
+ *
+ * examples:
+ *     bin2c -c myimage.png myimage_png.cpp
+ *     bin2c -z sometext.txt sometext_txt.cpp
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef PATH_MAX
+#define PATH_MAX 1024
+#endif
+
+int useconst = 0;
+int zeroterminated = 0;
+
+int myfgetc(FILE *f)
+{
+	int c = fgetc(f);
+	if (c == EOF && zeroterminated)
+	{
+		zeroterminated = 0;
+		return 0;
+	}
+	return c;
+}
+
+void process(const char *ifname, const char *ofname)
+{
+	FILE *ifile, *ofile;
+	ifile = fopen(ifname, "rb");
+	if (ifile == NULL)
+	{
+		fprintf(stderr, "cannot open %s for reading\n", ifname);
+		exit(1);
+	}
+	ofile = fopen(ofname, "wb");
+	if (ofile == NULL)
+	{
+		fprintf(stderr, "cannot open %s for writing\n", ofname);
+		exit(1);
+	}
+	char buf[PATH_MAX], *p;
+	const char *cp;
+	if ((cp = strrchr(ifname, '/')) != NULL)
+	{
+		++cp;
+	} else {
+		if ((cp = strrchr(ifname, '\\')) != NULL)
+			++cp;
+		else
+			cp = ifname;
+	}
+	strcpy(buf, cp);
+	for (p = buf; *p != '\0'; ++p)
+	{
+		if (!isalnum(*p))
+			*p = '_';
+	}
+	fprintf(ofile, "static %sunsigned char %s[] = {\n", useconst ? "const " : "", buf);
+	int c, col = 1;
+	while ((c = myfgetc(ifile)) != EOF)
+	{
+		if (col >= 78 - 6)
+		{
+			fputc('\n', ofile);
+			col = 1;
+		}
+		fprintf(ofile, "0x%.2x,", c);
+		col += 6;
+	}
+	fprintf(ofile, "\n};\n");
+
+	fclose(ifile);
+	fclose(ofile);
+}
+
+void usage(void)
+{
+	fprintf(stderr, "usage: bin2c [-cz] <input_file> <output_file>\n");
+	exit(1);
+}
+
+int main(int argc, char **argv)
+{
+	while (argc > 3)
+	{
+		if (!strcmp(argv[1], "-c"))
+		{
+			useconst = 1;
+			--argc;
+			++argv;
+		} else if (!strcmp(argv[1], "-z"))
+		{
+			zeroterminated = 1;
+			--argc;
+			++argv;
+		} else {
+			usage();
+		}
+	}
+	if (argc != 3)
+	{
+		usage();
+	}
+	process(argv[1], argv[2]);
+	return 0;
+}

src/bin2c.c

@@ -3,6 +3,10 @@
 #include "base/command_line.h"
 #include "nativeui/nativeui.h"
 
+// Generated from the ENCRYPTION_KEY file.
+#include "encryption_key.h"
+static_assert(sizeof(ENCRYPTION_KEY) == 16, "ENCRYPTION_KEY must be 16 bytes");
+
 #if defined(OS_WIN)
 int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int) {
   base::CommandLine::Init(0, nullptr);