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ajax.js
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// Miva Merchant
//
// This file and the source codes contained herein are the property of
// Miva, Inc. Use of this file is restricted to the specific terms and
// conditions in the License Agreement associated with this file. Distribution
// of this file or portions of this file for uses not covered by the License
// Agreement is not allowed without a written agreement signed by an officer of
// Miva, Inc.
//
// Copyright 1998-2024 Miva, Inc. All rights reserved.
// http://www.miva.com
//
// Prefix : MER-AJX-
// Next Error Code: 18
//
// Order Processing Server-side AJAX calls
////////////////////////////////////////////////////
var json_url, json_nosessionurl, Session_ID;
function AJAX_New()
{
var http_request = null;
if ( window.XMLHttpRequest )
{
http_request = new XMLHttpRequest();
}
else if ( window.ActiveXObject )
{
http_request = new ActiveXObject( "Microsoft.XMLHTTP" );
}
return http_request;
}
function AJAX_Initialize()
{
var session_start, session_id;
if ( ( ( typeof json_nosessionurl ) == 'string' ) &&
( ( typeof Session_ID ) == 'string' ) )
{
return;
}
if ( ( session_start = json_url.toLowerCase().indexOf( 'session_id=' ) ) == -1 )
{
json_nosessionurl = json_url;
session_id = '';
}
else
{
if ( ( session_end = json_url.indexOf( '&', session_start + 11 /* length of 'Session_ID=' */ ) ) == -1 )
{
session_end = json_url.length;
}
session_id = json_url.substring( session_start + 11, session_end );
json_nosessionurl = json_url.slice( 0, session_start ) + json_url.slice( session_end + 1 );
}
if ( ( typeof Session_ID ) == 'undefined' )
{
Session_ID = session_id;
}
}
function AJAX_Invalid_Session( response, reload_window, callback )
{
reload_window.location.reload();
}
function AJAX_Append_SessionParameters( parameters, session_type )
{
var session_parameters;
session_parameters = 'Session_Type=' + encodeURIComponent( session_type );
if ( ( session_type == 'admin' ) && ( ( typeof Session_ID ) != 'undefined' ) )
{
session_parameters += '&Session_ID=' + encodeURIComponent( Session_ID );
}
if ( ( ( typeof parameters ) != 'string' ) || ( parameters.length == 0 ) ) return session_parameters;
else return parameters + '&' + session_parameters;
}
function AJAX_Append_SessionParameters_JSON( parameters, session_type )
{
if ( !parameters )
{
parameters = new Object();
}
parameters.Session_Type = session_type;
if ( ( session_type == 'admin' ) && ( ( typeof Session_ID ) != 'undefined' ) )
{
parameters.Session_ID = Session_ID;
}
return parameters;
}
function AJAX_Append_FieldList_JSON( parameters, fields )
{
var name, field, regex, last_index, last_match, field_param, current_match;
if ( !parameters )
{
parameters = new Object();
}
regex = new RegExp( '(\\[\\s{0,}(?<index>\\d{1,})\\s{0,}\\]|(?<structure>:))', 'g' );
for ( field of fields )
{
field_param = parameters;
last_match = null;
last_index = 0;
while ( ( current_match = regex.exec( field.name ) ) !== null )
{
if ( last_match && typeof last_match.groups.index !== 'undefined' )
{
if ( typeof current_match.groups.structure !== 'undefined' ) field_param = AJAX_Append_FieldList_JSON_CreateObjectPath( field_param, last_match.groups.index - 1 );
else if ( typeof current_match.groups.index !== 'undefined' ) field_param = AJAX_Append_FieldList_JSON_CreateArrayPath( field_param, last_match.groups.index - 1 );
}
name = field.name.substring( last_index, current_match.index );
if ( name.length )
{
if ( typeof current_match.groups.structure !== 'undefined' ) field_param = AJAX_Append_FieldList_JSON_CreateObjectPath( field_param, name );
else if ( typeof current_match.groups.index !== 'undefined' ) field_param = AJAX_Append_FieldList_JSON_CreateArrayPath( field_param, name );
}
last_match = current_match;
last_index = regex.lastIndex;
}
name = field.name.substring( last_index, field.name.length );
if ( name.length && ( !last_match || typeof last_match.groups.index === 'undefined' ) ) AJAX_Append_FieldList_JSON_SetPathValue( field_param, name, field.value );
else if ( name.length === 0 && last_match && typeof last_match.groups.index !== 'undefined' ) AJAX_Append_FieldList_JSON_SetPathValue( field_param, last_match.groups.index - 1, field.value );
else
{
//
// Invalid parsed name
//
}
}
return parameters;
}
function AJAX_Append_FieldList_JSON_CreateArrayPath( parameters, name )
{
if ( !parameters.hasOwnProperty( name ) || !Array.isArray( parameters[ name ] ) )
{
parameters[ name ] = new Array();
}
parameters = parameters[ name ];
return parameters;
}
function AJAX_Append_FieldList_JSON_CreateObjectPath( parameters, name )
{
if ( !parameters.hasOwnProperty( name ) || typeof parameters[ name ] !== 'object' )
{
parameters[ name ] = new Object();
}
parameters = parameters[ name ];
return parameters;
}
function AJAX_Append_FieldList_JSON_SetPathValue( parameters, name, value )
{
if ( !parameters.hasOwnProperty( name ) ) parameters[ name ] = value;
else if ( !Array.isArray( parameters[ name ] ) ) parameters[ name ] = new Array( parameters[ name ], value );
else parameters[ name ].push( value );
}
function AJAX_Call_Module( callback, session_type, module_code, func, parameters, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call_Module( callback, session_type, module_code, func, parameters );
}
AJAX_Initialize();
return AJAX_Call_LowLevel( null,
callback,
'application/x-www-form-urlencoded', AJAX_Append_SessionParameters( parameters, session_type ),
'Store_Code=' + AJAX_CharsetEncodeAttribute( Store_Code ) + '&Function=Module&Module_Code=' + AJAX_CharsetEncodeAttribute( module_code ) + '&Module_Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.status = http_request.status;
response.success = 0;
response.error_code = 'MER-AJX-00002';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Module: ' + module_code + '\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_Module_JSON( callback, session_type, module_code, func, data, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call_Module_JSON( callback, session_type, module_code, func, data );
}
AJAX_Initialize();
return AJAX_Call_LowLevel( null,
callback,
'application/json', JSON.stringify( AJAX_Append_SessionParameters_JSON( data, session_type ) ),
'Store_Code=' + AJAX_CharsetEncodeAttribute( Store_Code ) + '&Function=Module&Module_Code=' + AJAX_CharsetEncodeAttribute( module_code ) + '&Module_Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.status = http_request.status;
response.success = 0;
response.error_code = 'MER-AJX-00013';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_Module_FieldList( callback, session_type, module_code, func, parameters, fields, delegator )
{
var i;
for ( i = 0; i < fields.length; i++ )
{
parameters += ( parameters.length ? '&' : '' ) + encodeURIComponent( fields[ i ].name ) + '=' + ( fields[ i ].hasOwnProperty( 'encoded_value' ) ? fields[ i ].encoded_value : encodeURIComponent( fields[ i ].value ) );
}
return AJAX_Call_Module( callback, session_type, module_code, func, parameters, delegator );
}
function AJAX_Call_Module_JSON_FieldList( callback, session_type, module_code, func, parameters, fields, delegator )
{
return AJAX_Call_Module_JSON( callback, session_type, module_code, func, AJAX_Append_FieldList_JSON( parameters, fields ), delegator );
}
function AJAX_Call_Module_WithFile( progress_object, session_type, module_code, func, parameters, file_field, file_input, file_object, delegator )
{
var response;
if ( delegator )
{
return delegator.AJAX_Call_Module_WithFile( progress_object, session_type, module_code, func, parameters, file_field, file_input, file_object );
}
AJAX_Initialize();
if ( file_object && window.FormData )
{
return AJAX_Call_Module_WithFile_FormData( progress_object, session_type, module_code, func, parameters, file_field, file_object );
}
response = new Object();
response.success = 0;
response.error_code = 'MER-AJX-00009';
response.error_message = 'This browser does not support file upload with the provided parameters';
progress_object.Complete( response );
if ( window.Modal_Resize ) Modal_Resize();
}
function AJAX_Call_Module_WithFile_FormData( progress_object, session_type, module_code, func, parameters, file_field, file_object )
{
var content, param, http_request;
content = new FormData();
for ( param in parameters )
{
content.append( param, parameters[ param ] );
}
content.append( 'Session_Type', session_type );
if ( ( session_type === 'admin' ) && ( ( typeof Session_ID ) != 'undefined' ) )
{
content.append( 'Session_ID', Session_ID );
}
content.append( file_field, file_object );
if ( ( http_request = AJAX_New() ) == null )
{
return null;
}
progress_object.Initialize( http_request, true );
http_request.upload.addEventListener( 'progress', function( event ) { progress_object.Progress( ( event.loaded / event.total * 100 ).toFixed( 0 ) ); }, false );
http_request.upload.addEventListener( 'load', function( event ) { progress_object.Progress( 100 ); }, false );
return AJAX_Call_LowLevel( http_request,
function( response ) { progress_object.Complete( response ); },
null,
content,
'Store_Code=' + AJAX_CharsetEncodeAttribute( Store_Code ) + '&Function=Module&Module_Code=' + AJAX_CharsetEncodeAttribute( module_code ) + '&Module_Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.status = http_request.status;
response.success = 0;
response.error_code = 'MER-AJX-00010';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_Domain( callback, session_type, func, parameters, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call_Domain( callback, session_type, func, parameters );
}
AJAX_Initialize();
return AJAX_Call_LowLevel( null,
callback,
'application/x-www-form-urlencoded', AJAX_Append_SessionParameters( parameters, session_type ),
'Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.status = http_request.status;
response.success = 0;
response.error_code = 'MER-AJX-00008';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_Domain_JSON( callback, session_type, func, parameters, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call_Domain_JSON( callback, session_type, func, parameters );
}
AJAX_Initialize();
return AJAX_Call_LowLevel( null,
callback,
'application/json', JSON.stringify( AJAX_Append_SessionParameters_JSON( parameters, session_type ) ),
'Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.status = http_request.status;
response.success = 0;
response.error_code = 'MER-AJX-00014';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_Module_Domain_JSON( callback, session_type, module_code, func, parameters, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call_Module_Domain_JSON( callback, session_type, module_code, func, parameters );
}
AJAX_Initialize();
return AJAX_Call_LowLevel( null,
callback,
'application/json', JSON.stringify( AJAX_Append_SessionParameters_JSON( parameters, session_type ) ),
'Function=Module&Module_Code=' + AJAX_CharsetEncodeAttribute( module_code ) + '&Module_Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.status = http_request.status;
response.success = 0;
response.error_code = 'MER-AJX-00017';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_Domain_FieldList( callback, session_type, func, parameters, fields, delegator )
{
var i;
for ( i = 0; i < fields.length; i++ )
{
parameters += ( parameters.length ? '&' : '' ) + encodeURIComponent( fields[ i ].name ) + '=' + ( fields[ i ].hasOwnProperty( 'encoded_value' ) ? fields[ i ].encoded_value : encodeURIComponent( fields[ i ].value ) );
}
return AJAX_Call_Domain( callback, session_type, func, parameters, delegator );
}
function AJAX_Call( callback, session_type, func, parameters, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call( callback, session_type, func, parameters );
}
return AJAX_Call_WithStoreCode( callback, session_type, Store_Code, func, parameters, delegator );
}
function AJAX_Call_WithStoreCode( callback, session_type, store_code, func, parameters, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call_WithStoreCode( callback, session_type, store_code, func, parameters );
}
AJAX_Initialize();
return AJAX_Call_LowLevel( null,
callback,
'application/x-www-form-urlencoded', AJAX_Append_SessionParameters( parameters, session_type ),
'Store_Code=' + AJAX_CharsetEncodeAttribute( store_code ) + '&Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.status = http_request.status;
response.success = 0;
response.error_code = 'MER-AJX-00012';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_JSON( callback, session_type, func, parameters, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call_JSON( callback, session_type, func, parameters );
}
AJAX_Initialize();
return AJAX_Call_LowLevel( null,
callback,
'application/json', JSON.stringify( AJAX_Append_SessionParameters_JSON( parameters, session_type ) ),
'Store_Code=' + AJAX_CharsetEncodeAttribute( Store_Code ) + '&Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.status = http_request.status;
response.success = 0;
response.error_code = 'MER-AJX-00015';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_FieldList( callback, session_type, func, parameters, fields, delegator )
{
var i;
for ( i = 0; i < fields.length; i++ )
{
parameters += ( parameters.length ? '&' : '' ) + encodeURIComponent( fields[ i ].name ) + '=' + ( fields[ i ].hasOwnProperty( 'encoded_value' ) ? fields[ i ].encoded_value : encodeURIComponent( fields[ i ].value ) );
}
return AJAX_Call( callback, session_type, func, parameters, delegator );
}
function AJAX_Call_JSON_FieldList( callback, session_type, func, parameters, fields, delegator )
{
return AJAX_Call_JSON( callback, session_type, func, AJAX_Append_FieldList_JSON( parameters, fields ), delegator );
}
function AJAX_Call_WithFile( progress_object, session_type, func, parameters, file_field, file_input, file_object, delegator )
{
var response;
if ( delegator )
{
return delegator.AJAX_Call_WithFile( progress_object, session_type, func, parameters, file_field, file_input, file_object );
}
AJAX_Initialize();
if ( file_object && window.FormData )
{
return AJAX_Call_WithFile_FormData( progress_object, session_type, func, parameters, file_field, file_object );
}
response = new Object();
response.success = 0;
response.error_code = 'MER-AJX-00006';
response.error_message = 'This browser does not support file upload with the provided parameters';
progress_object.Complete( response );
if ( window.Modal_Resize ) Modal_Resize();
}
function AJAX_Call_WithFile_FormData( progress_object, session_type, func, parameters, file_field, file_object )
{
var content, param, http_request;
content = new FormData();
for ( param in parameters )
{
if ( typeof parameters[ param ] === 'boolean' ) content.append( param, parameters[ param ] ? '1' : '0' );
else if ( Array.isArray( parameters[ param ] ) ) content.append( param, PackArray( parameters[ param ] ) );
else content.append( param, parameters[ param ] );
}
content.append( 'Session_Type', session_type );
if ( ( session_type === 'admin' ) && ( ( typeof Session_ID ) != 'undefined' ) )
{
content.append( 'Session_ID', Session_ID );
}
content.append( file_field, file_object );
if ( ( http_request = AJAX_New() ) == null )
{
return null;
}
progress_object.Initialize( http_request, true );
http_request.upload.addEventListener( 'progress', function( event ) { progress_object.Progress( ( event.loaded / event.total * 100 ).toFixed( 0 ) ); }, false );
http_request.upload.addEventListener( 'load', function( event ) { progress_object.Progress( 100 ); }, false );
return AJAX_Call_LowLevel( http_request,
function( response ) { progress_object.Complete( response ); },
null,
content,
'Store_Code=' + AJAX_CharsetEncodeAttribute( Store_Code ) + '&Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.success = 0;
response.status = http_request.status;
response.error_code = 'MER-AJX-00003';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_WithFileList_FormData( progress_object, session_type, func, parameters, files )
{
var i, i_len, content, param, http_request;
content = new FormData();
for ( param in parameters )
{
content.append( param, parameters[ param ] );
}
content.append( 'Session_Type', session_type );
if ( ( session_type === 'admin' ) && ( ( typeof Session_ID ) != 'undefined' ) )
{
content.append( 'Session_ID', Session_ID );
}
for ( i = 0, i_len = files.length; i < i_len; i++ )
{
content.append( files[ i ].name, files[ i ].file );
}
if ( ( http_request = AJAX_New() ) == null )
{
return null;
}
progress_object.Initialize( http_request, true );
http_request.upload.addEventListener( 'progress', function( event ) { progress_object.Progress( ( event.loaded / event.total * 100 ).toFixed( 0 ) ); }, false );
http_request.upload.addEventListener( 'load', function( event ) { progress_object.Progress( 100 ); }, false );
return AJAX_Call_LowLevel( http_request,
function( response ) { progress_object.Complete( response ); },
null,
content,
'Store_Code=' + AJAX_CharsetEncodeAttribute( Store_Code ) + '&Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.success = 0;
response.status = http_request.status;
response.error_code = 'MER-AJX-00003';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_LowLevel( http_request, callback, content_type, content, uri, error_response )
{
if ( http_request == null )
{
if ( ( http_request = AJAX_New() ) == null )
{
return null;
}
}
AJAX_Call_Initialize( http_request, callback, content_type, uri, error_response );
http_request.send( content );
return http_request;
}
function AJAX_Call_Initialize( http_request, callback, content_type, uri, error_response )
{
http_request.open( 'POST', json_nosessionurl + uri, true );
http_request.setRequestHeader( 'If-Modified-Since', 'Sat, 1 Jan 2000 00:00:00 GMT' ); // Avoid caching
if ( content_type )
{
http_request.setRequestHeader( 'Content-Type', content_type );
}
http_request.onreadystatechange = function()
{
var response = null, content_length = null, content_encoding = null;
if ( http_request.readyState == 4 )
{
if ( http_request.status != 200 )
{
response = error_response( http_request );
callback( response );
if ( window.Modal_Resize ) Modal_Resize();
}
else
{
// Prevent eval() of a partial response due to a navigation away from the current page, pressing
// the stop button, etc...
if ( typeof http_request.getResponseHeader != 'undefined' )
{
content_length = http_request.getResponseHeader( 'Content-Length' );
content_encoding = http_request.getResponseHeader( 'Content-Encoding' );
}
if ( content_length && ( content_length != http_request.responseText.length ) &&
( content_encoding == null || ( content_encoding == 'identity' ) ) )
{
return;
}
try
{
if ( ( typeof JSON !== 'undefined' ) &&
( typeof JSON.parse !== 'undefined' ) ) response = JSON.parse( http_request.responseText );
else response = eval( '(' + http_request.responseText + ')' );
}
catch ( e )
{
response = error_response( http_request );
}
if ( ( response.error_code == 'session_timeout' ) ||
( response.error_code == 'too_many_sessions' ) )
{
AJAX_Invalid_Session( response, window, callback );
return;
}
callback( response );
if ( window.Modal_Resize ) Modal_Resize();
}
http_request = null;
}
}
}
function AJAX_AutoComplete_Initialize( http_request, callback, session_type, func, parameters )
{
AJAX_Initialize();
AJAX_Call_Initialize( http_request,
callback,
'application/x-www-form-urlencoded',
'Store_Code=' + AJAX_CharsetEncodeAttribute( Store_Code ) + '&Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.success = 0;
response.status = http_request.status;
response.error_code = 'MER-AJX-00007';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
http_request.autocomplete_content = AJAX_Append_SessionParameters( parameters, session_type );
}
function AJAX_AutoComplete_Execute( http_request )
{
http_request.send( http_request.autocomplete_content );
}
//
// Runtime Specific Functions
//
function AJAX_Call_JSON_Runtime( callback, session_type, func, parameters, flags, delegator )
{
if ( delegator )
{
return delegator.AJAX_Call_JSON_Runtime( callback, session_type, func, parameters, flags );
}
if ( !parameters )
{
parameters = new Object();
}
parameters.Session_Type = session_type;
return AJAX_Call_Runtime_LowLevel( callback, flags,
'application/json', JSON.stringify( parameters ),
'Store_Code=' + AJAX_CharsetEncodeAttribute( Store_Code ) + '&Function=' + AJAX_CharsetEncodeAttribute( func ),
function( http_request )
{
var response;
response = new Object();
response.success = 0;
response.status = http_request.status;
response.error_code = 'MER-AJX-00016';
response.error_message = 'Miva Merchant returned an invalid response.\n' +
'Function: ' + func + '\n' +
'Status: ' + http_request.status + '\n' +
'Response: ' + http_request.responseText;
return response;
} );
}
function AJAX_Call_Runtime_LowLevel( callback, flags, content_type, content, uri, error_response )
{
var http_request, flags_lookup;
flags_lookup = new Object();
flags_lookup.with_credentials = false;
if ( typeof flags === 'string' )
{
flags
.split( ',' )
.map( flag => flag.trim() )
.filter( flag => flag !== '' )
.map( flag => flags_lookup[ flag ] = true );
}
http_request = new XMLHttpRequest();
http_request.withCredentials = flags_lookup.with_credentials;
http_request.open( 'POST', runtime_json_url + uri, true );
http_request.setRequestHeader( 'If-Modified-Since', 'Sat, 1 Jan 2000 00:00:00 GMT' ); // Avoid caching
if ( content_type )
{
http_request.setRequestHeader( 'Content-Type', content_type );
}
http_request.onload = function( event )
{
var response, content_length, content_encoding;
response = null;
content_length = null;
content_encoding = null;
//
// Prevent parsing of a partial response due to a navigation away from the current page, pressing
// the stop button, etc...
//
if ( typeof http_request.getResponseHeader != 'undefined' )
{
content_length = http_request.getResponseHeader( 'Content-Length' );
content_encoding = http_request.getResponseHeader( 'Content-Encoding' );
}
if ( content_length && ( content_length != http_request.responseText.length ) &&
( content_encoding == null || ( content_encoding == 'identity' ) ) )
{
return;
}
try
{
response = JSON.parse( http_request.responseText );
}
catch ( e )
{
response = error_response( http_request );
}
if ( typeof callback === 'function' )
{
callback( response );
}
http_request = null;
};
http_request.send( content );
return http_request;
}
//
// Helper Functions
//
function PackArray( array )
{
var i;
var packed = '';
if ( array == null || array.length == 0 )
{
return '';
}
for ( i = 0; i < array.length - 1; i++ )
{
packed += encodeURIComponent( array[ i ] ) + '|';
}
packed += encodeURIComponent( array[ i ] );
return packed;
}
function EncodeArray( array )
{
return encodeURIComponent( PackArray( array ) );
}
function PackTwoDimensionalArray( array )
{
var i, j;
var packed = '';
if ( array == null || array.length == 0 )
{
return '';
}
for ( i = 0; i < array.length; i++ )
{
for ( j = 0; j < array[ i ].length; j++ )
{
packed += encodeURIComponent( array[ i ][ j ] );
if ( j < array[ i ].length - 1 )
{
packed += '%7C';
}
}
if ( i < array.length - 1 )
{
packed += '|';
}
}
return packed;
}
function EncodeTwoDimensionalArray( array )
{
return encodeURIComponent( PackTwoDimensionalArray( array ) );
}
function Base64ToArrayBuffer( value )
{
var i, i_len;
var decoded, array;
decoded = atob( value );
i_len = decoded.length;
array = new Uint8Array( i_len );
for ( i = 0; i < i_len; i++ )
{
array[ i ] = decoded.charCodeAt( i );
}
return array.buffer;
}
function ArrayBufferToBase64( buffer )
{
var i, i_len;
var c_array, u8_array;
c_array = new Array();
u8_array = new Uint8Array( buffer );
for ( i = 0, i_len = u8_array.byteLength; i < i_len; i++ )
{
c_array[ i ] = String.fromCharCode( u8_array[ i ] );
}
return btoa( c_array.join( '' ) );
}
function AddEvent( obj, eventType, fn )
{
try
{
obj.addEventListener( eventType, fn, false );
return true;
}
catch ( e )
{
try
{
return obj.attachEvent( 'on' + eventType, fn );
}
catch ( e )
{
return false;
}
}
}