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App not exist exception & export method changed #39

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App not exist exception & export method changed #39

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2c7cb62
App not exist exception
Sep 27, 2013
3b05ce7
Revert "App not exist exception"
Sep 27, 2013
8576b35
changed app export import method
Sep 27, 2013
cb002c6
App not exist exception
Sep 27, 2013
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changed app export import method 
I add a random string to the tmpfolder's path so that you can export two
project at the same time.
And it compress and download at the same time
*WARING* I've changed the file structure in the export zip file, so the
older export file cannot be used.
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sasdf committed Sep 27, 2013
commit 8576b35f26c81cb88c3adc75dd6dd76c63d99774
157 changes: 87 additions & 70 deletions coder-base/apps/coder/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ exports.settings={};

exports.get_routes = [
{ path:'/', handler:'index_handler' },
{ path: /^\/export\/download\/(\w+\.zip)$/, handler:'export_download_handler' },
{ path: /^\/export\/download\/(\w+)\.zip$/, handler:'export_download_handler' },
];


Expand Down Expand Up @@ -155,19 +155,80 @@ exports.export_download_handler = function( req, res, pathmatches ) {
return;
}

var exportfile = 'appexport.zip';
var path = process.cwd();
if ( !fs.existsSync( path + '/tmp/' + exportfile ) ) {
if ( !fs.existsSync( path + '/apps/' + exportname + '/app.js' ) ) {
res.json({
status: "error",
error: "Export file doesn't exist"
error: "Application doesn't exist"
});
return;
}

var success = true;
var exportkey = uuid( 16 );
var uuidfolder = path + '/tmp/' + exportkey;
try { forceRemoveDir( uuidfolder ); } catch (e) {}
try { fs.mkdirSync( uuidfolder ); } catch (e) { success = false; }
var tmpfolder = uuidfolder + '/' + exportname;
try { fs.mkdirSync( tmpfolder ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/app' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/static' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/static/css' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/static/js' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/static/media' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/views' ); } catch (e) { success = false; }

res.download( path + '/tmp/' + exportfile, exportname );
if ( !success ) {
res.json({
status: "error",
error: "Cannot create export directory."
});
return;
}


//app node.js file
copyFile( path + '/apps/' + exportname + '/app.js', tmpfolder + '/app/app.js' );
//app meta.json file
copyFile( path + '/apps/' + exportname + '/meta.json', tmpfolder + '/app/meta.json' );
//html view
copyFile( path + '/views/apps/' + exportname + '/index.html', tmpfolder + '/views/index.html' );
//css data
copyFile( path + '/static/apps/' + exportname + '/css/index.css', tmpfolder + '/static/css/index.css' );
//index.js file
copyFile( path + '/static/apps/' + exportname + '/js/index.js', tmpfolder + '/static/js/index.js' );

var mediadir = path + "/static/apps/" + exportname + "/media/";
var mediafiles = fs.readdirSync( mediadir );
for ( var x in mediafiles ) {
var filename = mediafiles[x];
var info = fs.statSync( mediadir + filename );
if ( typeof info !== 'undefined' && info && info.isFile() ) {
copyFile( mediadir + filename, tmpfolder + '/static/media/' + filename );
}
}

res.writeHead( 200, {
'Content-Type': 'application/octet-stream'
,'Content-disposition': 'attachment; filename=' + exportname + '.zip'
} );

var zip = spawn( 'zip', [ '-r', '-', '.' ], { cwd: uuidfolder } );
zip.stdout.on( 'data', function ( data ){
res.write( data );
} );
zip.on( 'close', function ( code ) {
res.end();
zip = null;
try { forceRemoveDir( uuidfolder ); } catch (e) {}
} );
req.on( 'close', function () {
if ( zip !== null ) {
if ( zip ) { zip.kill('SIGTERM'); }
try { forceRemoveDir( uuidfolder ); } catch (e) {}
}
} );

};


Expand All @@ -191,14 +252,16 @@ exports.api_app_import_handler = function( req, res, pathmatches ) {

var path = process.cwd();
var success = true;
var importkey = 'appimport'; //TODO: maybe this should be random and auto-cleaned
var importkey = uuid( 16 );
var tmpfolder = path + '/tmp/' + importkey;
var uuidfolder = tmpfolder;
try { forceRemoveDir( tmpfolder ); } catch (e) {}
try { fs.mkdirSync( tmpfolder ); } catch (e) { success = false; }


var completeImport = function() {

tmpfolder += '/' + (fs.readdirSync( tmpfolder ))[0];
if ( !fs.existsSync( tmpfolder + '/app/meta.json' )
|| !fs.existsSync( tmpfolder + '/app/app.js')
|| !fs.existsSync( tmpfolder + '/views/index.html')
Expand Down Expand Up @@ -270,6 +333,7 @@ exports.api_app_import_handler = function( req, res, pathmatches ) {
}
}

try { forceRemoveDir( uuidfolder ); } catch (e) {}

res.json({
status: "success",
Expand All @@ -279,17 +343,19 @@ exports.api_app_import_handler = function( req, res, pathmatches ) {
};


var uploadPath = tmpfolder + '/appimport.zip';
var uploadPath = tmpfolder + '/' + importkey + '.zip';
fs.readFile(req.files['import_file'].path, function (err, data) {
fs.writeFile(uploadPath, data, function (err) {

var unzip = spawn('unzip', ['appimport.zip'], { cwd: tmpfolder });
var unzip = spawn('unzip', [importkey + '.zip'], { cwd: tmpfolder });
unzip.stdout.on('data', function (data) {
});
unzip.stderr.on('data', function (data) {
});
unzip.on('exit', function (code) {
fs.unlinkSync( uploadPath );
if(code !== 0) {
try { forceRemoveDir( tmpfolder ); } catch (e) {}
res.json({
status: "error",
error: "unzip error: " + code
Expand Down Expand Up @@ -328,68 +394,9 @@ exports.api_app_export_handler = function( req, res, pathmatches ) {
return;
}

var success = true;
var exportkey = 'appexport'; //TODO: maybe this should be random and auto-cleaned
var tmpfolder = path + '/tmp/' + exportkey;
try { forceRemoveDir( tmpfolder ); } catch (e) {}
try { fs.unlinkSync( path + '/tmp/' + exportkey + '.zip' ); } catch (e) {}
try { fs.mkdirSync( tmpfolder ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/app' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/static' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/static/css' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/static/js' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/static/media' ); } catch (e) { success = false; }
try { fs.mkdirSync( tmpfolder + '/views' ); } catch (e) { success = false; }

if ( !success ) {
res.json({
status: "error",
error: "Cannot create export directory."
});
return;
}


//app node.js file
copyFile( path + '/apps/' + apptoexport + '/app.js', tmpfolder + '/app/app.js' );
//app meta.json file
copyFile( path + '/apps/' + apptoexport + '/meta.json', tmpfolder + '/app/meta.json' );
//html view
copyFile( path + '/views/apps/' + apptoexport + '/index.html', tmpfolder + '/views/index.html' );
//css data
copyFile( path + '/static/apps/' + apptoexport + '/css/index.css', tmpfolder + '/static/css/index.css' );
//index.js file
copyFile( path + '/static/apps/' + apptoexport + '/js/index.js', tmpfolder + '/static/js/index.js' );

var mediadir = path + "/static/apps/" + apptoexport + "/media/";
var mediafiles = fs.readdirSync( mediadir );
for ( var x in mediafiles ) {
var filename = mediafiles[x];
var info = fs.statSync( mediadir + filename );
if ( typeof info !== 'undefined' && info && info.isFile() ) {
copyFile( mediadir + filename, tmpfolder + '/static/media/' + filename );
}
}

var zip = spawn('zip', ['-r', '../appexport.zip', '.', '-i', '*'], { cwd: tmpfolder });
zip.stdout.on('data', function (data) {
//console.log('coder::api_app_export_handler zip: ' + data );
});
zip.stderr.on('data', function (data) {
//console.log('coder::api_app_export_handler zip error: ' + data );
});
zip.on('exit', function (code) {
if(code !== 0) {
res.json({
status: "error",
error: "zip error: " + code
});
} else {
res.json({
status: "success",
file: apptoexport + ".zip"
});
}
res.json({
status: "success",
file: apptoexport + ".zip"
});

};
Expand Down Expand Up @@ -493,3 +500,13 @@ var forceRemoveDir = function( path ) {
//util.log( 'remove directory ' + path );
fs.rmdirSync( path );
};

var uuid = function ( num ) {
var text = "";
var possible = "abcdefghijklmnopqrstuvwxyz0123456789";

for( var i=0; i < num; i++ )
text += possible.charAt(Math.floor(Math.random() * possible.length));

return text;
}