Merge pull request #5179 from RandomShaper/better-android-export
Enhanced Android export
This commit is contained in:
Juan Linietsky
GitHub
commit
5f674bdca1
2 changed files with 172 additions and 20 deletions
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@ -1031,11 +1031,20 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file,
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if (lSeek!=0)
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{
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if (lSeek<0) {
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// WORKAROUND for backwards seeking
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z_off_t pos = ZTELL64(s->z_filefunc, s->filestream);
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if (ZSEEK64(s->z_filefunc, s->filestream,pos+lSeek,ZLIB_FILEFUNC_SEEK_SET)==0)
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lSeek=0;
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else
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err=UNZ_ERRNO;
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} else {
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if (ZSEEK64(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
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lSeek=0;
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else
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err=UNZ_ERRNO;
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}
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}
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while(acc < file_info.size_file_extra)
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{
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@ -9,6 +9,7 @@
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#include "os/file_access.h"
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#include "os/os.h"
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#include "platform/android/logo.h"
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#include <string.h>
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static const char* android_perms[]={
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@ -231,6 +232,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
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void _fix_manifest(Vector<uint8_t>& p_manifest, bool p_give_internet);
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void _fix_resources(Vector<uint8_t>& p_manifest);
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static Error save_apk_file(void *p_userdata,const String& p_path, const Vector<uint8_t>& p_data,int p_file,int p_total);
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static bool _should_compress_asset(const String& p_path);
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protected:
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@ -1001,7 +1003,7 @@ Error EditorExportPlatformAndroid::save_apk_file(void *p_userdata,const String&
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NULL,
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0,
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NULL,
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Z_DEFLATED,
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_should_compress_asset(p_path) ? Z_DEFLATED : 0,
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Z_DEFAULT_COMPRESSION);
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@ -1012,13 +1014,63 @@ Error EditorExportPlatformAndroid::save_apk_file(void *p_userdata,const String&
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}
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bool EditorExportPlatformAndroid::_should_compress_asset(const String& p_path) {
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/*
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* By not compressing files with little or not benefit in doing so,
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* a performance gain is expected at runtime. Moreover, if the APK is
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* zip-aligned, assets stored as they are can be efficiently read by
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* Android by memory-mapping them.
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*/
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// -- Unconditional uncompress to mimic AAPT plus some other
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static const char* unconditional_compress_ext[] = {
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// From https://github.com/android/platform_frameworks_base/blob/master/tools/aapt/Package.cpp
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// These formats are already compressed, or don't compress well:
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".jpg", ".jpeg", ".png", ".gif",
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".wav", ".mp2", ".mp3", ".ogg", ".aac",
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".mpg", ".mpeg", ".mid", ".midi", ".smf", ".jet",
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".rtttl", ".imy", ".xmf", ".mp4", ".m4a",
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".m4v", ".3gp", ".3gpp", ".3g2", ".3gpp2",
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".amr", ".awb", ".wma", ".wmv",
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// Godot-specific:
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".webp", // Same reasoning as .png
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".cfb", // Don't let small config files slow-down startup
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// Trailer for easier processing
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NULL
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};
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for (const char** ext=unconditional_compress_ext; *ext; ++ext) {
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if (p_path.to_lower().ends_with(String(*ext))) {
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return false;
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}
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}
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// -- Compressed resource?
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FileAccess *f=FileAccess::open(p_path,FileAccess::READ);
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ERR_FAIL_COND_V(!f,true);
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uint8_t header[4];
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f->get_buffer(header,4);
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if (header[0]=='R' && header[1]=='S' && header[2]=='C' && header[3]=='C') {
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// Already compressed
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return false;
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}
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// --- TODO: Decide on texture resources according to their image compression setting
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return true;
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}
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Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_debug, int p_flags) {
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String src_apk;
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EditorProgress ep("export","Exporting for Android",104);
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EditorProgress ep("export","Exporting for Android",105);
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if (p_debug)
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src_apk=custom_debug_package;
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@ -1058,7 +1110,8 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
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zlib_filefunc_def io2=io;
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FileAccess *dst_f=NULL;
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io2.opaque=&dst_f;
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zipFile apk=zipOpen2(p_path.utf8().get_data(),APPEND_STATUS_CREATE,NULL,&io2);
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String unaligned_path=EditorSettings::get_singleton()->get_settings_path()+"/tmp/tmpexport-unaligned.apk";
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zipFile unaligned_apk=zipOpen2(unaligned_path.utf8().get_data(),APPEND_STATUS_CREATE,NULL,&io2);
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while(ret==UNZ_OK) {
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@ -1137,7 +1190,11 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
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print_line("ADDING: "+file);
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if (!skip) {
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zipOpenNewFileInZip(apk,
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// Respect decision on compression made by AAPT for the export template
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const bool uncompressed = info.compression_method == 0;
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zipOpenNewFileInZip(unaligned_apk,
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file.utf8().get_data(),
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NULL,
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NULL,
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@ -1145,11 +1202,11 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
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NULL,
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0,
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NULL,
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Z_DEFLATED,
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uncompressed ? 0 : Z_DEFLATED,
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Z_DEFAULT_COMPRESSION);
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zipWriteInFileInZip(apk,data.ptr(),data.size());
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zipCloseFileInZip(apk);
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zipWriteInFileInZip(unaligned_apk,data.ptr(),data.size());
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zipCloseFileInZip(unaligned_apk);
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}
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ret = unzGoToNextFile(pkg);
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@ -1206,7 +1263,7 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
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APKExportData ed;
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ed.ep=&ep;
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ed.apk=apk;
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ed.apk=unaligned_apk;
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err = export_project_files(save_apk_file,&ed,false);
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}
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@ -1235,7 +1292,7 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
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print_line(itos(i)+" param: "+cl[i]);
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}
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zipOpenNewFileInZip(apk,
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zipOpenNewFileInZip(unaligned_apk,
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"assets/_cl_",
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NULL,
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NULL,
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@ -1243,15 +1300,15 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
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NULL,
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0,
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NULL,
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Z_DEFLATED,
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0, // No compress (little size gain and potentially slower startup)
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Z_DEFAULT_COMPRESSION);
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zipWriteInFileInZip(apk,clf.ptr(),clf.size());
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zipCloseFileInZip(apk);
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zipWriteInFileInZip(unaligned_apk,clf.ptr(),clf.size());
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zipCloseFileInZip(unaligned_apk);
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}
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zipClose(apk,NULL);
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zipClose(unaligned_apk,NULL);
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unzClose(pkg);
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if (err) {
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@ -1308,7 +1365,7 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
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args.push_back(keystore);
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args.push_back("-storepass");
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args.push_back(password);
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args.push_back(p_path);
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args.push_back(unaligned_path);
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args.push_back(user);
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int retval;
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int err = OS::get_singleton()->execute(jarsigner,args,true,NULL,NULL,&retval);
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@ -1321,16 +1378,102 @@ Error EditorExportPlatformAndroid::export_project(const String& p_path, bool p_d
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args.clear();
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args.push_back("-verify");
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args.push_back(p_path);
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args.push_back(unaligned_path);
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args.push_back("-verbose");
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err = OS::get_singleton()->execute(jarsigner,args,true,NULL,NULL,&retval);
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if (retval) {
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EditorNode::add_io_error("'jarsigner' verificaiton of APK failed. Make sure to use jarsigner from Java 6.");
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EditorNode::add_io_error("'jarsigner' verification of APK failed. Make sure to use jarsigner from Java 6.");
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return ERR_CANT_CREATE;
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}
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}
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// Let's zip-align (must be done after signing)
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static const int ZIP_ALIGNMENT = 4;
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ep.step("Aligning APK..",105);
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unzFile tmp_unaligned = unzOpen2(unaligned_path.utf8().get_data(), &io);
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if (!tmp_unaligned) {
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EditorNode::add_io_error("Could not find temp unaligned APK.");
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return ERR_FILE_NOT_FOUND;
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}
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ERR_FAIL_COND_V(!tmp_unaligned, ERR_CANT_OPEN);
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ret = unzGoToFirstFile(tmp_unaligned);
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io2=io;
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dst_f=NULL;
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io2.opaque=&dst_f;
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zipFile final_apk=zipOpen2(p_path.utf8().get_data(),APPEND_STATUS_CREATE,NULL,&io2);
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// Take files from the unaligned APK and write them out to the aligned one
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// in raw mode, i.e. not uncompressing and recompressing, aligning them as needed,
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// following what is done in https://github.com/android/platform_build/blob/master/tools/zipalign/ZipAlign.cpp
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int bias = 0;
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while(ret==UNZ_OK) {
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unz_file_info info;
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memset(&info, 0, sizeof(info));
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char fname[16384];
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char extra[16384];
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ret = unzGetCurrentFileInfo(tmp_unaligned,&info,fname,16384,extra,16384-ZIP_ALIGNMENT,NULL,0);
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String file=fname;
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Vector<uint8_t> data;
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data.resize(info.compressed_size);
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// read
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int method, level;
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unzOpenCurrentFile2(tmp_unaligned, &method, &level, 1); // raw read
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long file_offset = unzGetCurrentFileZStreamPos64(tmp_unaligned);
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unzReadCurrentFile(tmp_unaligned,data.ptr(),data.size());
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unzCloseCurrentFile(tmp_unaligned);
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// align
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int padding = 0;
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if (!info.compression_method) {
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// Uncompressed file => Align
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long new_offset = file_offset + bias;
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padding = (ZIP_ALIGNMENT - (new_offset % ZIP_ALIGNMENT)) % ZIP_ALIGNMENT;
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}
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memset(extra + info.size_file_extra, 0, padding);
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// write
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zipOpenNewFileInZip2(final_apk,
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file.utf8().get_data(),
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NULL,
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extra,
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info.size_file_extra + padding,
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NULL,
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0,
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NULL,
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method,
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level,
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1); // raw write
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zipWriteInFileInZip(final_apk,data.ptr(),data.size());
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zipCloseFileInZipRaw(final_apk,info.uncompressed_size,info.crc);
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bias += padding;
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ret = unzGoToNextFile(tmp_unaligned);
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}
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zipClose(final_apk,NULL);
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unzClose(tmp_unaligned);
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if (err) {
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return err;
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}
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return OK;
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}
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