%PDF-
%PDF-
Mini Shell
Mini Shell
/**
* Root reference for iframes.
*/
var root;
if (typeof window !== 'undefined') { // Browser window
root = window;
} else if (typeof self !== 'undefined') { // Web Worker
root = self;
} else { // Other environments
console.warn("Using browser-only version of superagent in non-browser environment");
root = this;
}
var Emitter = require('component-emitter');
var RequestBase = require('./request-base');
var isObject = require('./is-object');
var ResponseBase = require('./response-base');
var Agent = require('./agent-base');
/**
* Noop.
*/
function noop(){};
/**
* Expose `request`.
*/
var request = exports = module.exports = function(method, url) {
// callback
if ('function' == typeof url) {
return new exports.Request('GET', method).end(url);
}
// url first
if (1 == arguments.length) {
return new exports.Request('GET', method);
}
return new exports.Request(method, url);
}
exports.Request = Request;
/**
* Determine XHR.
*/
request.getXHR = function () {
if (root.XMLHttpRequest
&& (!root.location || 'file:' != root.location.protocol
|| !root.ActiveXObject)) {
return new XMLHttpRequest;
} else {
try { return new ActiveXObject('Microsoft.XMLHTTP'); } catch(e) {}
try { return new ActiveXObject('Msxml2.XMLHTTP.6.0'); } catch(e) {}
try { return new ActiveXObject('Msxml2.XMLHTTP.3.0'); } catch(e) {}
try { return new ActiveXObject('Msxml2.XMLHTTP'); } catch(e) {}
}
throw Error("Browser-only version of superagent could not find XHR");
};
/**
* Removes leading and trailing whitespace, added to support IE.
*
* @param {String} s
* @return {String}
* @api private
*/
var trim = ''.trim
? function(s) { return s.trim(); }
: function(s) { return s.replace(/(^\s*|\s*$)/g, ''); };
/**
* Serialize the given `obj`.
*
* @param {Object} obj
* @return {String}
* @api private
*/
function serialize(obj) {
if (!isObject(obj)) return obj;
var pairs = [];
for (var key in obj) {
pushEncodedKeyValuePair(pairs, key, obj[key]);
}
return pairs.join('&');
}
/**
* Helps 'serialize' with serializing arrays.
* Mutates the pairs array.
*
* @param {Array} pairs
* @param {String} key
* @param {Mixed} val
*/
function pushEncodedKeyValuePair(pairs, key, val) {
if (val != null) {
if (Array.isArray(val)) {
val.forEach(function(v) {
pushEncodedKeyValuePair(pairs, key, v);
});
} else if (isObject(val)) {
for(var subkey in val) {
pushEncodedKeyValuePair(pairs, key + '[' + subkey + ']', val[subkey]);
}
} else {
pairs.push(encodeURIComponent(key)
+ '=' + encodeURIComponent(val));
}
} else if (val === null) {
pairs.push(encodeURIComponent(key));
}
}
/**
* Expose serialization method.
*/
request.serializeObject = serialize;
/**
* Parse the given x-www-form-urlencoded `str`.
*
* @param {String} str
* @return {Object}
* @api private
*/
function parseString(str) {
var obj = {};
var pairs = str.split('&');
var pair;
var pos;
for (var i = 0, len = pairs.length; i < len; ++i) {
pair = pairs[i];
pos = pair.indexOf('=');
if (pos == -1) {
obj[decodeURIComponent(pair)] = '';
} else {
obj[decodeURIComponent(pair.slice(0, pos))] =
decodeURIComponent(pair.slice(pos + 1));
}
}
return obj;
}
/**
* Expose parser.
*/
request.parseString = parseString;
/**
* Default MIME type map.
*
* superagent.types.xml = 'application/xml';
*
*/
request.types = {
html: 'text/html',
json: 'application/json',
xml: 'text/xml',
urlencoded: 'application/x-www-form-urlencoded',
'form': 'application/x-www-form-urlencoded',
'form-data': 'application/x-www-form-urlencoded'
};
/**
* Default serialization map.
*
* superagent.serialize['application/xml'] = function(obj){
* return 'generated xml here';
* };
*
*/
request.serialize = {
'application/x-www-form-urlencoded': serialize,
'application/json': JSON.stringify
};
/**
* Default parsers.
*
* superagent.parse['application/xml'] = function(str){
* return { object parsed from str };
* };
*
*/
request.parse = {
'application/x-www-form-urlencoded': parseString,
'application/json': JSON.parse
};
/**
* Parse the given header `str` into
* an object containing the mapped fields.
*
* @param {String} str
* @return {Object}
* @api private
*/
function parseHeader(str) {
var lines = str.split(/\r?\n/);
var fields = {};
var index;
var line;
var field;
var val;
for (var i = 0, len = lines.length; i < len; ++i) {
line = lines[i];
index = line.indexOf(':');
if (index === -1) { // could be empty line, just skip it
continue;
}
field = line.slice(0, index).toLowerCase();
val = trim(line.slice(index + 1));
fields[field] = val;
}
return fields;
}
/**
* Check if `mime` is json or has +json structured syntax suffix.
*
* @param {String} mime
* @return {Boolean}
* @api private
*/
function isJSON(mime) {
// should match /json or +json
// but not /json-seq
return /[\/+]json($|[^-\w])/.test(mime);
}
/**
* Initialize a new `Response` with the given `xhr`.
*
* - set flags (.ok, .error, etc)
* - parse header
*
* Examples:
*
* Aliasing `superagent` as `request` is nice:
*
* request = superagent;
*
* We can use the promise-like API, or pass callbacks:
*
* request.get('/').end(function(res){});
* request.get('/', function(res){});
*
* Sending data can be chained:
*
* request
* .post('/user')
* .send({ name: 'tj' })
* .end(function(res){});
*
* Or passed to `.send()`:
*
* request
* .post('/user')
* .send({ name: 'tj' }, function(res){});
*
* Or passed to `.post()`:
*
* request
* .post('/user', { name: 'tj' })
* .end(function(res){});
*
* Or further reduced to a single call for simple cases:
*
* request
* .post('/user', { name: 'tj' }, function(res){});
*
* @param {XMLHTTPRequest} xhr
* @param {Object} options
* @api private
*/
function Response(req) {
this.req = req;
this.xhr = this.req.xhr;
// responseText is accessible only if responseType is '' or 'text' and on older browsers
this.text = ((this.req.method !='HEAD' && (this.xhr.responseType === '' || this.xhr.responseType === 'text')) || typeof this.xhr.responseType === 'undefined')
? this.xhr.responseText
: null;
this.statusText = this.req.xhr.statusText;
var status = this.xhr.status;
// handle IE9 bug: http://stackoverflow.com/questions/10046972/msie-returns-status-code-of-1223-for-ajax-request
if (status === 1223) {
status = 204;
}
this._setStatusProperties(status);
this.header = this.headers = parseHeader(this.xhr.getAllResponseHeaders());
// getAllResponseHeaders sometimes falsely returns "" for CORS requests, but
// getResponseHeader still works. so we get content-type even if getting
// other headers fails.
this.header['content-type'] = this.xhr.getResponseHeader('content-type');
this._setHeaderProperties(this.header);
if (null === this.text && req._responseType) {
this.body = this.xhr.response;
} else {
this.body = this.req.method != 'HEAD'
? this._parseBody(this.text ? this.text : this.xhr.response)
: null;
}
}
ResponseBase(Response.prototype);
/**
* Parse the given body `str`.
*
* Used for auto-parsing of bodies. Parsers
* are defined on the `superagent.parse` object.
*
* @param {String} str
* @return {Mixed}
* @api private
*/
Response.prototype._parseBody = function(str) {
var parse = request.parse[this.type];
if (this.req._parser) {
return this.req._parser(this, str);
}
if (!parse && isJSON(this.type)) {
parse = request.parse['application/json'];
}
return parse && str && (str.length || str instanceof Object)
? parse(str)
: null;
};
/**
* Return an `Error` representative of this response.
*
* @return {Error}
* @api public
*/
Response.prototype.toError = function(){
var req = this.req;
var method = req.method;
var url = req.url;
var msg = 'cannot ' + method + ' ' + url + ' (' + this.status + ')';
var err = new Error(msg);
err.status = this.status;
err.method = method;
err.url = url;
return err;
};
/**
* Expose `Response`.
*/
request.Response = Response;
/**
* Initialize a new `Request` with the given `method` and `url`.
*
* @param {String} method
* @param {String} url
* @api public
*/
function Request(method, url) {
var self = this;
this._query = this._query || [];
this.method = method;
this.url = url;
this.header = {}; // preserves header name case
this._header = {}; // coerces header names to lowercase
this.on('end', function(){
var err = null;
var res = null;
try {
res = new Response(self);
} catch(e) {
err = new Error('Parser is unable to parse the response');
err.parse = true;
err.original = e;
// issue #675: return the raw response if the response parsing fails
if (self.xhr) {
// ie9 doesn't have 'response' property
err.rawResponse = typeof self.xhr.responseType == 'undefined' ? self.xhr.responseText : self.xhr.response;
// issue #876: return the http status code if the response parsing fails
err.status = self.xhr.status ? self.xhr.status : null;
err.statusCode = err.status; // backwards-compat only
} else {
err.rawResponse = null;
err.status = null;
}
return self.callback(err);
}
self.emit('response', res);
var new_err;
try {
if (!self._isResponseOK(res)) {
new_err = new Error(res.statusText || 'Unsuccessful HTTP response');
}
} catch(custom_err) {
new_err = custom_err; // ok() callback can throw
}
// #1000 don't catch errors from the callback to avoid double calling it
if (new_err) {
new_err.original = err;
new_err.response = res;
new_err.status = res.status;
self.callback(new_err, res);
} else {
self.callback(null, res);
}
});
}
/**
* Mixin `Emitter` and `RequestBase`.
*/
Emitter(Request.prototype);
RequestBase(Request.prototype);
/**
* Set Content-Type to `type`, mapping values from `request.types`.
*
* Examples:
*
* superagent.types.xml = 'application/xml';
*
* request.post('/')
* .type('xml')
* .send(xmlstring)
* .end(callback);
*
* request.post('/')
* .type('application/xml')
* .send(xmlstring)
* .end(callback);
*
* @param {String} type
* @return {Request} for chaining
* @api public
*/
Request.prototype.type = function(type){
this.set('Content-Type', request.types[type] || type);
return this;
};
/**
* Set Accept to `type`, mapping values from `request.types`.
*
* Examples:
*
* superagent.types.json = 'application/json';
*
* request.get('/agent')
* .accept('json')
* .end(callback);
*
* request.get('/agent')
* .accept('application/json')
* .end(callback);
*
* @param {String} accept
* @return {Request} for chaining
* @api public
*/
Request.prototype.accept = function(type){
this.set('Accept', request.types[type] || type);
return this;
};
/**
* Set Authorization field value with `user` and `pass`.
*
* @param {String} user
* @param {String} [pass] optional in case of using 'bearer' as type
* @param {Object} options with 'type' property 'auto', 'basic' or 'bearer' (default 'basic')
* @return {Request} for chaining
* @api public
*/
Request.prototype.auth = function(user, pass, options){
if (1 === arguments.length) pass = '';
if (typeof pass === 'object' && pass !== null) { // pass is optional and can be replaced with options
options = pass;
pass = '';
}
if (!options) {
options = {
type: 'function' === typeof btoa ? 'basic' : 'auto',
};
}
var encoder = function(string) {
if ('function' === typeof btoa) {
return btoa(string);
}
throw new Error('Cannot use basic auth, btoa is not a function');
};
return this._auth(user, pass, options, encoder);
};
/**
* Add query-string `val`.
*
* Examples:
*
* request.get('/shoes')
* .query('size=10')
* .query({ color: 'blue' })
*
* @param {Object|String} val
* @return {Request} for chaining
* @api public
*/
Request.prototype.query = function(val){
if ('string' != typeof val) val = serialize(val);
if (val) this._query.push(val);
return this;
};
/**
* Queue the given `file` as an attachment to the specified `field`,
* with optional `options` (or filename).
*
* ``` js
* request.post('/upload')
* .attach('content', new Blob(['<a id="a"><b id="b">hey!</b></a>'], { type: "text/html"}))
* .end(callback);
* ```
*
* @param {String} field
* @param {Blob|File} file
* @param {String|Object} options
* @return {Request} for chaining
* @api public
*/
Request.prototype.attach = function(field, file, options){
if (file) {
if (this._data) {
throw Error("superagent can't mix .send() and .attach()");
}
this._getFormData().append(field, file, options || file.name);
}
return this;
};
Request.prototype._getFormData = function(){
if (!this._formData) {
this._formData = new root.FormData();
}
return this._formData;
};
/**
* Invoke the callback with `err` and `res`
* and handle arity check.
*
* @param {Error} err
* @param {Response} res
* @api private
*/
Request.prototype.callback = function(err, res){
if (this._shouldRetry(err, res)) {
return this._retry();
}
var fn = this._callback;
this.clearTimeout();
if (err) {
if (this._maxRetries) err.retries = this._retries - 1;
this.emit('error', err);
}
fn(err, res);
};
/**
* Invoke callback with x-domain error.
*
* @api private
*/
Request.prototype.crossDomainError = function(){
var err = new Error('Request has been terminated\nPossible causes: the network is offline, Origin is not allowed by Access-Control-Allow-Origin, the page is being unloaded, etc.');
err.crossDomain = true;
err.status = this.status;
err.method = this.method;
err.url = this.url;
this.callback(err);
};
// This only warns, because the request is still likely to work
Request.prototype.buffer = Request.prototype.ca = Request.prototype.agent = function(){
console.warn("This is not supported in browser version of superagent");
return this;
};
// This throws, because it can't send/receive data as expected
Request.prototype.pipe = Request.prototype.write = function(){
throw Error("Streaming is not supported in browser version of superagent");
};
/**
* Check if `obj` is a host object,
* we don't want to serialize these :)
*
* @param {Object} obj
* @return {Boolean}
* @api private
*/
Request.prototype._isHost = function _isHost(obj) {
// Native objects stringify to [object File], [object Blob], [object FormData], etc.
return obj && 'object' === typeof obj && !Array.isArray(obj) && Object.prototype.toString.call(obj) !== '[object Object]';
}
/**
* Initiate request, invoking callback `fn(res)`
* with an instanceof `Response`.
*
* @param {Function} fn
* @return {Request} for chaining
* @api public
*/
Request.prototype.end = function(fn){
if (this._endCalled) {
console.warn("Warning: .end() was called twice. This is not supported in superagent");
}
this._endCalled = true;
// store callback
this._callback = fn || noop;
// querystring
this._finalizeQueryString();
return this._end();
};
Request.prototype._end = function() {
var self = this;
var xhr = (this.xhr = request.getXHR());
var data = this._formData || this._data;
this._setTimeouts();
// state change
xhr.onreadystatechange = function(){
var readyState = xhr.readyState;
if (readyState >= 2 && self._responseTimeoutTimer) {
clearTimeout(self._responseTimeoutTimer);
}
if (4 != readyState) {
return;
}
// In IE9, reads to any property (e.g. status) off of an aborted XHR will
// result in the error "Could not complete the operation due to error c00c023f"
var status;
try { status = xhr.status } catch(e) { status = 0; }
if (!status) {
if (self.timedout || self._aborted) return;
return self.crossDomainError();
}
self.emit('end');
};
// progress
var handleProgress = function(direction, e) {
if (e.total > 0) {
e.percent = e.loaded / e.total * 100;
}
e.direction = direction;
self.emit('progress', e);
};
if (this.hasListeners('progress')) {
try {
xhr.onprogress = handleProgress.bind(null, 'download');
if (xhr.upload) {
xhr.upload.onprogress = handleProgress.bind(null, 'upload');
}
} catch(e) {
// Accessing xhr.upload fails in IE from a web worker, so just pretend it doesn't exist.
// Reported here:
// https://connect.microsoft.com/IE/feedback/details/837245/xmlhttprequest-upload-throws-invalid-argument-when-used-from-web-worker-context
}
}
// initiate request
try {
if (this.username && this.password) {
xhr.open(this.method, this.url, true, this.username, this.password);
} else {
xhr.open(this.method, this.url, true);
}
} catch (err) {
// see #1149
return this.callback(err);
}
// CORS
if (this._withCredentials) xhr.withCredentials = true;
// body
if (!this._formData && 'GET' != this.method && 'HEAD' != this.method && 'string' != typeof data && !this._isHost(data)) {
// serialize stuff
var contentType = this._header['content-type'];
var serialize = this._serializer || request.serialize[contentType ? contentType.split(';')[0] : ''];
if (!serialize && isJSON(contentType)) {
serialize = request.serialize['application/json'];
}
if (serialize) data = serialize(data);
}
// set header fields
for (var field in this.header) {
if (null == this.header[field]) continue;
if (this.header.hasOwnProperty(field))
xhr.setRequestHeader(field, this.header[field]);
}
if (this._responseType) {
xhr.responseType = this._responseType;
}
// send stuff
this.emit('request', this);
// IE11 xhr.send(undefined) sends 'undefined' string as POST payload (instead of nothing)
// We need null here if data is undefined
xhr.send(typeof data !== 'undefined' ? data : null);
return this;
};
request.agent = function() {
return new Agent();
};
["GET", "POST", "OPTIONS", "PATCH", "PUT", "DELETE"].forEach(function(method) {
Agent.prototype[method.toLowerCase()] = function(url, fn) {
var req = new request.Request(method, url);
this._setDefaults(req);
if (fn) {
req.end(fn);
}
return req;
};
});
Agent.prototype.del = Agent.prototype['delete'];
/**
* GET `url` with optional callback `fn(res)`.
*
* @param {String} url
* @param {Mixed|Function} [data] or fn
* @param {Function} [fn]
* @return {Request}
* @api public
*/
request.get = function(url, data, fn) {
var req = request('GET', url);
if ('function' == typeof data) (fn = data), (data = null);
if (data) req.query(data);
if (fn) req.end(fn);
return req;
};
/**
* HEAD `url` with optional callback `fn(res)`.
*
* @param {String} url
* @param {Mixed|Function} [data] or fn
* @param {Function} [fn]
* @return {Request}
* @api public
*/
request.head = function(url, data, fn) {
var req = request('HEAD', url);
if ('function' == typeof data) (fn = data), (data = null);
if (data) req.query(data);
if (fn) req.end(fn);
return req;
};
/**
* OPTIONS query to `url` with optional callback `fn(res)`.
*
* @param {String} url
* @param {Mixed|Function} [data] or fn
* @param {Function} [fn]
* @return {Request}
* @api public
*/
request.options = function(url, data, fn) {
var req = request('OPTIONS', url);
if ('function' == typeof data) (fn = data), (data = null);
if (data) req.send(data);
if (fn) req.end(fn);
return req;
};
/**
* DELETE `url` with optional `data` and callback `fn(res)`.
*
* @param {String} url
* @param {Mixed} [data]
* @param {Function} [fn]
* @return {Request}
* @api public
*/
function del(url, data, fn) {
var req = request('DELETE', url);
if ('function' == typeof data) (fn = data), (data = null);
if (data) req.send(data);
if (fn) req.end(fn);
return req;
}
request['del'] = del;
request['delete'] = del;
/**
* PATCH `url` with optional `data` and callback `fn(res)`.
*
* @param {String} url
* @param {Mixed} [data]
* @param {Function} [fn]
* @return {Request}
* @api public
*/
request.patch = function(url, data, fn) {
var req = request('PATCH', url);
if ('function' == typeof data) (fn = data), (data = null);
if (data) req.send(data);
if (fn) req.end(fn);
return req;
};
/**
* POST `url` with optional `data` and callback `fn(res)`.
*
* @param {String} url
* @param {Mixed} [data]
* @param {Function} [fn]
* @return {Request}
* @api public
*/
request.post = function(url, data, fn) {
var req = request('POST', url);
if ('function' == typeof data) (fn = data), (data = null);
if (data) req.send(data);
if (fn) req.end(fn);
return req;
};
/**
* PUT `url` with optional `data` and callback `fn(res)`.
*
* @param {String} url
* @param {Mixed|Function} [data] or fn
* @param {Function} [fn]
* @return {Request}
* @api public
*/
request.put = function(url, data, fn) {
var req = request('PUT', url);
if ('function' == typeof data) (fn = data), (data = null);
if (data) req.send(data);
if (fn) req.end(fn);
return req;
};
Zerion Mini Shell 1.0