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nsXmlRpcClient.js
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla XML-RPC Client component.
*
* The Initial Developer of the Original Code is
* Digital Creations 2, Inc.
* Portions created by the Initial Developer are Copyright (C) 2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Martijn Pieters <mj@digicool.com> (original author)
* Samuel Sieb <samuel@sieb.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* nsXmlRpcClient XPCOM component
* Version: $Revision: 1.39 $
*
* $Id: nsXmlRpcClient.js,v 1.39 2006/10/24 16:02:01 silver%warwickcompsoc.co.uk Exp $
*/
/*
* Constants
*/
const XMLRPCCLIENT_CONTRACTID = '@mozilla.org/xml-rpc/client;1';
const XMLRPCCLIENT_CID =
Components.ID('{4d7d15c0-3747-4f7f-b6b3-792a5ea1a9aa}');
const XMLRPCCLIENT_IID = Components.interfaces.nsIXmlRpcClient;
const XMLRPCFAULT_CONTRACTID = '@mozilla.org/xml-rpc/fault;1';
const XMLRPCFAULT_CID =
Components.ID('{691cb864-0a7e-448c-98ee-4a7f359cf145}');
const XMLRPCFAULT_IID = Components.interfaces.nsIXmlRpcFault;
const XMLHTTPREQUEST_CONTRACTID = '@mozilla.org/xmlextras/xmlhttprequest;1';
const NSICHANNEL = Components.interfaces.nsIChannel;
const DEBUG = false;
const DEBUGPARSE = false;
const DOMNode = Components.interfaces.nsIDOMNode;
/*
* Class definitions
*/
/* The nsXmlRpcFault class constructor. */
function nsXmlRpcFault() {}
/* the nsXmlRpcFault class def */
nsXmlRpcFault.prototype = {
faultCode: 0,
faultString: '',
init: function(faultCode, faultString) {
this.faultCode = faultCode;
this.faultString = faultString;
},
toString: function() {
return '<XML-RPC Fault: (' + this.faultCode + ') ' +
this.faultString + '>';
},
// nsISupports interface
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsISupports) &&
!iid.equals(XMLRPCFAULT_IID))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
/* The nsXmlRpcClient class constructor. */
function nsXmlRpcClient() {}
/* the nsXmlRpcClient class def */
nsXmlRpcClient.prototype = {
_serverUrl: null,
_useAuth: false,
init: function(serverURL) {
this._serverUrl = serverURL;
this._encoding = "UTF-8";
},
setAuthentication: function(username, password){
if ((typeof username == "string") &&
(typeof password == "string")){
this._useAuth = true;
this._username = username;
this._password = password;
}
},
clearAuthentication: function(){
this._useAuth = false;
},
setEncoding: function(encoding){
this._encoding = encoding;
},
get serverUrl() { return this._serverUrl; },
// Internal copy of the status
_status: null,
_listener: null,
asyncCall: function(listener, context, methodName, methodArgs, count) {
debug('asyncCall');
// Check for call in progress.
if (this._inProgress)
throw Components.Exception('Call in progress!');
// Check for the server URL;
if (!this._serverUrl)
throw Components.Exception('Not initialized');
this._inProgress = true;
// Clear state.
this._foundFault = false;
this._passwordTried = false;
this._result = null;
this._fault = null;
this._status = null;
this._responseStatus = null;
this._responseString = null;
this._listener = listener;
this._seenStart = false;
this._context = context;
debug('Arguments: ' + methodArgs);
// Generate request body
var xmlWriter = new XMLWriter(this._encoding);
this._generateRequestBody(xmlWriter, methodName, methodArgs);
var requestBody = xmlWriter.data;
debug('Request: ' + requestBody);
this.xmlhttp = Components.classes[XMLHTTPREQUEST_CONTRACTID]
.createInstance(Components.interfaces.nsIXMLHttpRequest);
if (this._useAuth) {
this.xmlhttp.open('POST', this._serverUrl, true,
this._username, this._password);
} else {
this.xmlhttp.open('POST', this._serverUrl);
}
this.xmlhttp.onload = this._onload;
this.xmlhttp.onerror = this._onerror;
this.xmlhttp.parent = this;
this.xmlhttp.setRequestHeader('Content-Type','text/xml');
this.xmlhttp.send(requestBody);
var chan = this.xmlhttp.channel.QueryInterface(NSICHANNEL);
chan.notificationCallbacks = this;
},
_onload: function(e) {
var result;
var parent = e.target.parent;
parent._inProgress = false;
parent._responseStatus = e.target.status;
parent._responseString = e.target.statusText;
if (!e.target.responseXML) {
if (e.target.status) {
try {
parent._listener.onError(parent, parent._context,
Components.results.NS_ERROR_FAILURE,
'Server returned status ' + e.target.status);
} catch (ex) {
debug('Exception in listener.onError: ' + ex);
}
} else {
try {
parent._listener.onError(parent, parent._context,
Components.results.NS_ERROR_FAILURE,
'Unknown network error');
} catch (ex) {
debug('Exception in listener.onError: ' + ex);
}
}
return;
}
try {
e.target.responseXML.normalize();
result = parent.parse(e.target.responseXML);
} catch (ex) {
try {
parent._listener.onError(parent, parent._context,
ex.result, ex.message);
} catch (ex) {
debug('Exception in listener.onError: ' + ex);
}
return;
}
if (parent._foundFault) {
parent._fault = result;
try {
parent._listener.onFault(parent, parent._context, result);
} catch(ex) {
debug('Exception in listener.onFault: ' + ex);
}
} else {
parent._result = result.value;
try {
parent._listener.onResult(parent, parent._context,
result.value);
} catch (ex) {
debug('Exception in listener.onResult: ' + ex);
}
}
},
_onerror: function(e) {
var parent = e.target.parent;
parent._inProgress = false;
try {
parent._listener.onError(parent, parent._context,
Components.results.NS_ERROR_FAILURE,
'Unknown network error');
} catch (ex) {
debug('Exception in listener.onError: ' + ex);
}
},
_foundFault: false,
_fault: null,
_result: null,
_responseStatus: null,
_responseString: null,
get fault() { return this._fault; },
get result() { return this._result; },
get responseStatus() { return this._responseStatus; },
get responseString() { return this._responseString; },
/* Convenience. Create an appropriate XPCOM object for a given type */
INT: 1,
BOOLEAN: 2,
STRING: 3,
DOUBLE: 4,
DATETIME: 5,
ARRAY: 6,
STRUCT: 7,
BASE64: 8, // Not part of nsIXmlRpcClient interface, internal use.
createType: function(type, uuid) {
const SUPPORTSID = '@mozilla.org/supports-';
switch(type) {
case this.INT:
uuid.value = Components.interfaces.nsISupportsPRInt32
return createInstance(SUPPORTSID + 'PRInt32;1',
'nsISupportsPRInt32');
case this.BOOLEAN:
uuid.value = Components.interfaces.nsISupportsPRBool
return createInstance(SUPPORTSID + 'PRBool;1',
'nsISupportsPRBool');
case this.STRING:
uuid.value = Components.interfaces.nsISupportsCString
return createInstance(SUPPORTSID + 'cstring;1',
'nsISupportsCString');
case this.DOUBLE:
uuid.value = Components.interfaces.nsISupportsDouble
return createInstance(SUPPORTSID + 'double;1',
'nsISupportsDouble');
case this.DATETIME:
uuid.value = Components.interfaces.nsISupportsPRTime
return createInstance(SUPPORTSID + 'PRTime;1',
'nsISupportsPRTime');
case this.ARRAY:
uuid.value = Components.interfaces.nsISupportsArray
return createInstance(SUPPORTSID + 'array;1',
'nsISupportsArray');
case this.STRUCT:
uuid.value = Components.interfaces.nsIDictionary
return createInstance('@mozilla.org/dictionary;1',
'nsIDictionary');
default: throw Components.Exception('Unsupported type');
}
},
// nsISupports interface
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsISupports) &&
!iid.equals(XMLRPCCLIENT_IID) &&
!iid.equals(Components.interfaces.nsIInterfaceRequestor))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
},
// nsIInterfaceRequester interface
getInterface: function(iid, result){
if (iid.equals(Components.interfaces.nsIAuthPrompt)){
return this;
}
Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
return null;
},
// nsIAuthPrompt interface
_passwordTried: false,
promptUsernameAndPassword: function(dialogTitle, text, passwordRealm,
savePassword, user, pwd){
if (this._useAuth){
if (this._passwordTried){
return false;
}
user.value = this._username;
pwd.value = this._password;
this._passwordTried = true;
return true;
}
return false;
},
/* Generate the XML-RPC request body */
_generateRequestBody: function(writer, methodName, methodArgs) {
writer.startElement('methodCall');
writer.startElement('methodName');
writer.write(methodName);
writer.endElement('methodName');
writer.startElement('params');
for (var i = 0; i < methodArgs.length; i++) {
writer.startElement('param');
this._generateArgumentBody(writer, methodArgs[i]);
writer.endElement('param');
}
writer.endElement('params');
writer.endElement('methodCall');
},
/* Write out a XML-RPC parameter value */
_generateArgumentBody: function(writer, obj) {
writer.startElement('value');
var sType = this._typeOf(obj);
switch (sType) {
case 'PRUint8':
case 'PRUint16':
case 'PRInt16':
case 'PRInt32':
obj=obj.QueryInterface(Components.interfaces['nsISupports' +
sType]);
writer.startElement('i4');
writer.write(obj.toString());
writer.endElement('i4');
break;
case 'PRBool':
obj=obj.QueryInterface(Components.interfaces.nsISupportsPRBool);
writer.startElement('boolean');
writer.write(obj.data ? '1' : '0');
writer.endElement('boolean');
break;
case 'Char':
case 'CString':
obj=obj.QueryInterface(Components.interfaces['nsISupports' +
sType]);
writer.startElement('string');
writer.write(obj.toString());
writer.endElement('string');
break;
case 'Float':
case 'Double':
obj=obj.QueryInterface(Components.interfaces['nsISupports' +
sType]);
writer.startElement('double');
writer.write(obj.toString());
writer.endElement('double');
break;
case 'PRTime':
obj = obj.QueryInterface(
Components.interfaces.nsISupportsPRTime);
var date = new Date(obj.data)
writer.startElement('dateTime.iso8601');
writer.write(iso8601Format(date));
writer.endElement('dateTime.iso8601');
break;
case 'InputStream':
obj = obj.QueryInterface(Components.interfaces.nsIInputStream);
obj = toScriptableStream(obj);
writer.startElement('base64');
streamToBase64(obj, writer);
writer.endElement('base64');
break;
case 'Array':
obj = obj.QueryInterface(
Components.interfaces.nsISupportsArray);
writer.startElement('array');
writer.startElement('data');
for (var i = 0; i < obj.Count(); i++)
this._generateArgumentBody(writer, obj.GetElementAt(i));
writer.endElement('data');
writer.endElement('array');
break;
case 'Dictionary':
obj = obj.QueryInterface(Components.interfaces.nsIDictionary);
writer.startElement('struct');
var keys = obj.getKeys({});
for (var k = 0; k < keys.length; k++) {
writer.startElement('member');
writer.startElement('name');
writer.write(keys[k]);
writer.endElement('name');
this._generateArgumentBody(writer, obj.getValue(keys[k]));
writer.endElement('member');
}
writer.endElement('struct');
break;
default:
throw Components.Exception('Unsupported argument', null, null,
obj);
}
writer.endElement('value');
},
/* Determine type of a nsISupports primitive, array or dictionary. */
_typeOf: function(obj) {
// XPConnect alows JS to pass in anything, because we are a regular
// JS object to it. So we have to test rigorously.
if (typeof obj != 'object') return 'Unknown';
// Anything else not nsISupports is not allowed.
if (typeof obj.QueryInterface != 'function') return 'Unknown';
// Now we will have to eliminate by trying all possebilities.
try {
obj.QueryInterface(Components.interfaces.nsISupportsPRUint8);
return 'PRUint8';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsPRUint16);
return 'PRUint16';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsPRInt16);
return 'PRInt16';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsPRInt32);
return 'PRInt32';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsPRBool);
return 'PRBool';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsChar);
return 'Char';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsCString);
return 'CString';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsFloat);
return 'Float';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsDouble);
return 'Double';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsPRTime);
return 'PRTime';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsIInputStream);
return 'InputStream';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsISupportsArray);
return 'Array';
} catch(e) {}
try {
obj.QueryInterface(Components.interfaces.nsIDictionary);
return 'Dictionary';
} catch(e) {}
// Not a supported type
return 'Unknown';
},
// Response parsing state
_valueStack: [],
_currValue: null,
_cdata: null,
parse: function(doc) {
var node = doc.firstChild;
var result;
if (node.nodeType == DOMNode.TEXT_NODE)
node = node.nextSibling;
if ((node.nodeType != DOMNode.ELEMENT_NODE) ||
(node.nodeName != 'methodResponse')) {
throw Components.Exception('Expecting a methodResponse', null, null,
doc);
}
node = node.firstChild;
if (node.nodeType == DOMNode.TEXT_NODE)
node = node.nextSibling;
if (node.nodeType != DOMNode.ELEMENT_NODE)
throw Components.Exception('Expecting a params or fault', null,
null, doc);
if (node.nodeName == 'params') {
node = node.firstChild;
if (node.nodeType == DOMNode.TEXT_NODE)
node = node.nextSibling;
if ((node.nodeType != DOMNode.ELEMENT_NODE) ||
(node.nodeName != 'param')) {
throw Components.Exception('Expecting a param', null, null,
doc);
}
result = this.parseValue(node.firstChild);
} else if (node.nodeName == 'fault') {
this._foundFault = true;
result = this.parseFault(node.firstChild);
} else {
throw Components.Exception('Expecting a params or fault', null,
null, doc);
}
debug('Parse finished');
return result;
},
parseValue: function(node) {
var cValue = new Value();
if (node && (node.nodeType == DOMNode.TEXT_NODE))
node = node.nextSibling;
if (!node || (node.nodeType != DOMNode.ELEMENT_NODE) ||
(node.nodeName != 'value')) {
throw Components.Exception('Expecting a value', null, null, node);
}
node = node.firstChild;
if (!node)
return cValue;
if (node.nodeType == DOMNode.TEXT_NODE){
if (!node.nextSibling) {
cValue.value = node.nodeValue;
return cValue;
} else {
node = node.nextSibling;
}
}
if (node.nodeType != DOMNode.ELEMENT_NODE)
throw Components.Exception('Expecting a value type', null, null,
node);
switch (node.nodeName) {
case 'string':
cValue.value = this.parseString(node.firstChild);
break;
case 'i4':
case 'int':
cValue.type = this.INT;
cValue.value = this.parseString(node.firstChild);
break;
case 'boolean':
cValue.type = this.BOOLEAN;
cValue.value = this.parseString(node.firstChild);
break;
case 'double':
cValue.type = this.DOUBLE;
cValue.value = this.parseString(node.firstChild);
break;
case 'dateTime.iso8601':
cValue.type = this.DATETIME;
cValue.value = this.parseString(node.firstChild);
break;
case 'base64':
cValue.type = this.BASE64;
cValue.value = this.parseString(node.firstChild);
break;
case 'struct':
cValue.type = this.STRUCT;
this.parseStruct(cValue, node.firstChild);
break;
case 'array':
cValue.type = this.ARRAY;
this.parseArray(cValue, node.firstChild);
break;
default:
throw Components.Exception('Expecting a value type', null, null,
node);
}
return cValue;
},
parseString: function(node) {
value = '';
while (node) {
if (node.nodeType != DOMNode.TEXT_NODE)
throw Components.Exception('Expecting a text node', null, null,
node);
value += node.nodeValue;
node = node.nextSibling;
}
return value;
},
parseStruct: function(struct, node) {
while (node) {
if (node.nodeType == DOMNode.TEXT_NODE)
node = node.nextSibling;
if (!node)
return;
if ((node.nodeType != DOMNode.ELEMENT_NODE) ||
(node.nodeName != 'member')) {
throw Components.Exception('Expecting a member', null, null,
node);
}
this.parseMember(struct, node.firstChild);
node = node.nextSibling;
}
},
parseMember: function(struct, node) {
var cValue;
if (node.nodeType == DOMNode.TEXT_NODE)
node = node.nextSibling;
if (!node || (node.nodeType != DOMNode.ELEMENT_NODE) ||
(node.nodeName != 'name')) {
throw Components.Exception('Expecting a name', null, null, node);
}
struct.name = this.parseString(node.firstChild);
cValue = this.parseValue(node.nextSibling);
struct.appendValue(cValue.value);
},
parseArray: function(array, node) {
if (node.nodeType == DOMNode.TEXT_NODE)
node = node.nextSibling;
if (!node || (node.nodeType != DOMNode.ELEMENT_NODE) ||
(node.nodeName != 'data')) {
throw Components.Exception('Expecting array data', null, null, node);
}
for (node = node.firstChild; node; node = node.nextSibling) {
if (node.nodeType == DOMNode.TEXT_NODE)
continue;
array.appendValue(this.parseValue(node).value);
}
},
parseFault: function(node) {
var fault = createInstance(XMLRPCFAULT_CONTRACTID, 'nsIXmlRpcFault');
var cValue = this.parseValue(node);
if ((cValue.type != this.STRUCT) ||
(!cValue.value.hasKey('faultCode')) ||
(!cValue.value.hasKey('faultString'))) {
throw Components.Exception('Invalid fault', null, null, node);
}
fault.init(cValue.value.getValue('faultCode').data,
cValue.value.getValue('faultString').data);
return fault;
}
};
/* The XMLWriter class constructor */
function XMLWriter(encoding) {
if (!encoding)
encoding = "UTF-8";
this.data = '<?xml version="1.0" encoding="' + encoding + '"?>';
}
/* The XMLWriter class def */
XMLWriter.prototype = {
data: '',
startElement: function(element) {
this.data += '<' + element + '>';
},
endElement: function(element) {
this.data += '</' + element + '>';
},
write: function(text) {
for (var i = 0; i < text.length; i++) {
var c = text[i];
switch (c) {
case '<':
this.data += '<';
break;
case '&':
this.data += '&';
break;
default:
this.data += c;
}
}
},
markup: function(text) { this.data += text }
};
/* The Value class contructor */
function Value() { this.type = this.STRING; };
/* The Value class def */
Value.prototype = {
INT: nsXmlRpcClient.prototype.INT,
BOOLEAN: nsXmlRpcClient.prototype.BOOLEAN,
STRING: nsXmlRpcClient.prototype.STRING,
DOUBLE: nsXmlRpcClient.prototype.DOUBLE,
DATETIME: nsXmlRpcClient.prototype.DATETIME,
ARRAY: nsXmlRpcClient.prototype.ARRAY,
STRUCT: nsXmlRpcClient.prototype.STRUCT,
BASE64: nsXmlRpcClient.prototype.BASE64,
_createType: nsXmlRpcClient.prototype.createType,
name: null,
_value: null,
get value() { return this._value; },
set value(val) {
// accepts [0-9]+ or x[0-9a-fA-F]+ and returns the character.
function entityTrans(substr, code) {
return String.fromCharCode("0" + code);
}
switch (this.type) {
case this.STRING:
val = val.replace(/([0-9]+);/g, entityTrans);
val = val.replace(/(x[0-9a-fA-F]+);/g, entityTrans);
val = val.replace(/</g, '<');
val = val.replace(/>/g, '>');
val = val.replace(/&/g, '&');
this._value.data = val;
break;
case this.BOOLEAN:
this._value.data = (val == 1);
break;
case this.DATETIME:
this._value.data = Date.UTC(val.slice(0, 4),
val.slice(4, 6) - 1, val.slice(6, 8), val.slice(9, 11),
val.slice(12, 14), val.slice(15));
break;
case this.BASE64:
this._value.data = base64ToString(val);
break;
default:
this._value.data = val;
}
},
_type: null,
get type() { return this._type; },
set type(type) {
this._type = type;
if (type == this.BASE64)
this._value = this._createType(this.STRING, {});
else this._value = this._createType(type, {});
},
appendValue: function(val) {
switch (this.type) {
case this.ARRAY:
this.value.AppendElement(val);
break;
case this.STRUCT:
this.value.setValue(this.name, val);
break;
}
}
};
/*
* Objects
*/
/* nsXmlRpcClient Module (for XPCOM registration) */
var nsXmlRpcClientModule = {
registerSelf: function(compMgr, fileSpec, location, type) {
compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
compMgr.registerFactoryLocation(XMLRPCCLIENT_CID,
'XML-RPC Client JS component',
XMLRPCCLIENT_CONTRACTID,
fileSpec,
location,
type);
compMgr.registerFactoryLocation(XMLRPCFAULT_CID,
'XML-RPC Fault JS component',
XMLRPCFAULT_CONTRACTID,
fileSpec,
location,
type);
},
getClassObject: function(compMgr, cid, iid) {
if (!cid.equals(XMLRPCCLIENT_CID) && !cid.equals(XMLRPCFAULT_CID))
throw Components.results.NS_ERROR_NO_INTERFACE;
if (!iid.equals(Components.interfaces.nsIFactory))
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
if (cid.equals(XMLRPCCLIENT_CID))
return nsXmlRpcClientFactory
else return nsXmlRpcFaultFactory;
},
canUnload: function(compMgr) { return true; }
};
/* nsXmlRpcClient Class Factory */
var nsXmlRpcClientFactory = {
createInstance: function(outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
if (!iid.equals(XMLRPCCLIENT_IID) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_INVALID_ARG;
return new nsXmlRpcClient();
}
}
/* nsXmlRpcFault Class Factory */
var nsXmlRpcFaultFactory = {
createInstance: function(outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
if (!iid.equals(XMLRPCFAULT_IID) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_INVALID_ARG;
return new nsXmlRpcFault();
}
}
/*
* Functions
*/
/* module initialisation */
function NSGetModule(comMgr, fileSpec) { return nsXmlRpcClientModule; }
/* Create an instance of the given ContractID, with given interface */
function createInstance(contractId, intf) {
return Components.classes[contractId]
.createInstance(Components.interfaces[intf]);
}
/* Get a pointer to a service indicated by the ContractID, with given interface */
function getService(contractId, intf) {
return Components.classes[contractId]
.getService(Components.interfaces[intf]);
}
/* Convert an inputstream to a scriptable inputstream */
function toScriptableStream(input) {
var SIStream = Components.Constructor(
'@mozilla.org/scriptableinputstream;1',
'nsIScriptableInputStream', 'init');
return new SIStream(input);
}
/* format a Date object into a iso8601 datetime string, UTC time */
function iso8601Format(date) {
var datetime = date.getUTCFullYear();
var month = String(date.getUTCMonth() + 1);
datetime += (month.length == 1 ? '0' + month : month);
var day = date.getUTCDate();
datetime += (day < 10 ? '0' + day : day);
datetime += 'T';
var hour = date.getUTCHours();
datetime += (hour < 10 ? '0' + hour : hour) + ':';
var minutes = date.getUTCMinutes();
datetime += (minutes < 10 ? '0' + minutes : minutes) + ':';
var seconds = date.getUTCSeconds();
datetime += (seconds < 10 ? '0' + seconds : seconds);
return datetime;
}
/* Convert a stream to Base64, writing it away to a string writer */
const BASE64CHUNK = 255; // Has to be dividable by 3!!
function streamToBase64(stream, writer) {
while (stream.available()) {
var data = [];
while (data.length < BASE64CHUNK && stream.available()) {
var d = stream.read(1).charCodeAt(0);
// reading a 0 results in NaN, compensate.
data = data.concat(isNaN(d) ? 0 : d);
}
writer.write(toBase64(data));
}
}
/* Convert data (an array of integers) to a Base64 string. */
const toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' +
'0123456789+/';
const base64Pad = '=';
function toBase64(data) {
var result = '';
var length = data.length;
var i;
// Convert every three bytes to 4 ascii characters.
for (i = 0; i < (length - 2); i += 3) {
result += toBase64Table[data[i] >> 2];
result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
result += toBase64Table[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)];
result += toBase64Table[data[i+2] & 0x3f];
}
// Convert the remaining 1 or 2 bytes, pad out to 4 characters.
if (length%3) {
i = length - (length%3);
result += toBase64Table[data[i] >> 2];
if ((length%3) == 2) {
result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
result += toBase64Table[(data[i+1] & 0x0f) << 2];
result += base64Pad;
} else {
result += toBase64Table[(data[i] & 0x03) << 4];
result += base64Pad + base64Pad;
}
}
return result;
}
/* Convert Base64 data to a string */
const toBinaryTable = [
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,
15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
-1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
];
function base64ToString(data) {
var result = '';
var leftbits = 0; // number of bits decoded, but yet to be appended
var leftdata = 0; // bits decoded, but yet to be appended
// Convert one by one.
for (var i = 0; i < data.length; i++) {
var c = toBinaryTable[data.charCodeAt(i) & 0x7f];
var padding = (data[i] == base64Pad);
// Skip illegal characters and whitespace
if (c == -1) continue;
// Collect data into leftdata, update bitcount
leftdata = (leftdata << 6) | c;
leftbits += 6;
// If we have 8 or more bits, append 8 bits to the result
if (leftbits >= 8) {
leftbits -= 8;
// Append if not padding.
if (!padding)
result += String.fromCharCode((leftdata >> leftbits) & 0xff);
leftdata &= (1 << leftbits) - 1;
}
}
// If there are any bits left, the base64 string was corrupted
if (leftbits)
throw Components.Exception('Corrupted base64 string');
return result;
}
if (DEBUG) debug = function(msg) {
dump(' -- XML-RPC client -- : ' + msg + '\n');
};
else debug = function() {}
// vim:sw=4:sr:sta:et:sts: