99 lines
2.5 KiB
JavaScript
99 lines
2.5 KiB
JavaScript
/**************************
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* PermanentStorage *
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* 02-11-16 *
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***************************
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* Designed & Developed by *
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* xdrm-brackets *
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* & *
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* SeekDaSky *
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***************************
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* https://xdrm.io/ *
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* http://seekdasky.ovh/ *
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**************************/
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var PermanentStorage = function(){};
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PermanentStorage.prototype = {
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/* STORES DATA TO REMOTE STORAGE
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*
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* @raw_data<String> Raw data to store
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* @callback<Function> Callback function that'll take the @status as result
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*
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* @return status<Boolean> If no error
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*
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* @note: @callback will be called with `this` bound to `xhr.responseText`
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*
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*/
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store: function(raw_data, callback){
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/* (0) Initialization */
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var fd, xhr;
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{ /* (1) Checks @raw_data argument */
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raw_data = raw_data || null;
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raw_data = typeof raw_data === 'string' ? raw_data : null;
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if( !raw_data )
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return false;
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}
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{ /* (2) Checks @callback argument */
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if( !(callback instanceof Function) )
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return false;
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}
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{ /* (3) Format data and wrap it into FormData */
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fd = new FormData();
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fd.append('command', 'store');
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fd.append('data', raw_data);
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}
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{ /* (4) Sends data to server */
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xhr = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHttpRequest');
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xhr.addEventListener('readystatechange', function(e){
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!(xhr.readyState-4) && !!~[0,200].indexOf(xhr.status) && ( xhr.responseText == 'success' && callback() || console.warn('[PermanentStorage] storeError') );
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}, false);
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xhr.open( 'POST', './permanent-storage/', true );
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xhr.send( fd );
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}
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return true;
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},
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/* FETCHES DATA FROM REMOTE STORAGE
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*
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* @callback<Function> Callback function that'll take the @fetched_data as result
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*
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* @return raw_data<String> Fetched data
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*
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*/
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fetch: function(callback){
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/* (0) Initialization */
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var xhr, fd;
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{ /* (1) Checks @callback argument */
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if( !(callback instanceof Function) )
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return false;
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}
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{ /* (2) Set FormData */
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fd = new FormData();
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fd.append('command', 'fetch');
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}
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{ /* (2) Sends data to server */
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xhr = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHttpRequest');
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xhr.addEventListener('readystatechange', function(e){
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!(xhr.readyState-4) && !!~[0,200].indexOf(xhr.status) && ( xhr.responseText != 'error' && callback(xhr.responseText) || console.warn('[PermanentStorage] fetchError') );
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}, false);
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xhr.open( 'POST', './permanent-storage/', true );
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xhr.send( fd );
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}
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}
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};
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