seismo.js

(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
// Browser Request
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

var XHR = XMLHttpRequest
if (!XHR) throw new Error('missing XMLHttpRequest')

module.exports = request
request.log = {
  'trace': noop, 'debug': noop, 'info': noop, 'warn': noop, 'error': noop
}

var DEFAULT_TIMEOUT = 3 * 60 * 1000 // 3 minutes

//
// request
//

function request(options, callback) {
  // The entry-point to the API: prep the options object and pass the real work to run_xhr.
  if(typeof callback !== 'function')
    throw new Error('Bad callback given: ' + callback)

  if(!options)
    throw new Error('No options given')

  var options_onResponse = options.onResponse; // Save this for later.

  if(typeof options === 'string')
    options = {'uri':options};
  else
    options = JSON.parse(JSON.stringify(options)); // Use a duplicate for mutating.

  options.onResponse = options_onResponse // And put it back.

  if (options.verbose) request.log = getLogger();

  if(options.url) {
    options.uri = options.url;
    delete options.url;
  }

  if(!options.uri && options.uri !== "")
    throw new Error("options.uri is a required argument");

  if(typeof options.uri != "string")
    throw new Error("options.uri must be a string");

  var unsupported_options = ['proxy', '_redirectsFollowed', 'maxRedirects', 'followRedirect']
  for (var i = 0; i < unsupported_options.length; i++)
    if(options[ unsupported_options[i] ])
      throw new Error("options." + unsupported_options[i] + " is not supported")

  options.callback = callback
  options.method = options.method || 'GET';
  options.headers = options.headers || {};
  options.body    = options.body || null
  options.timeout = options.timeout || request.DEFAULT_TIMEOUT

  if(options.headers.host)
    throw new Error("Options.headers.host is not supported");

  if(options.json) {
    options.headers.accept = options.headers.accept || 'application/json'
    if(options.method !== 'GET')
      options.headers['content-type'] = 'application/json'

    if(typeof options.json !== 'boolean')
      options.body = JSON.stringify(options.json)
    else if(typeof options.body !== 'string')
      options.body = JSON.stringify(options.body)
  }

  // If onResponse is boolean true, call back immediately when the response is known,
  // not when the full request is complete.
  options.onResponse = options.onResponse || noop
  if(options.onResponse === true) {
    options.onResponse = callback
    options.callback = noop
  }

  // XXX Browsers do not like this.
  //if(options.body)
  //  options.headers['content-length'] = options.body.length;

  // HTTP basic authentication
  if(!options.headers.authorization && options.auth)
    options.headers.authorization = 'Basic ' + b64_enc(options.auth.username + ':' + options.auth.password);

  return run_xhr(options)
}

var req_seq = 0
function run_xhr(options) {
  var xhr = new XHR
    , timed_out = false
    , is_cors = is_crossDomain(options.uri)
    , supports_cors = ('withCredentials' in xhr)

  req_seq += 1
  xhr.seq_id = req_seq
  xhr.id = req_seq + ': ' + options.method + ' ' + options.uri
  xhr._id = xhr.id // I know I will type "_id" from habit all the time.

  if(is_cors && !supports_cors) {
    var cors_err = new Error('Browser does not support cross-origin request: ' + options.uri)
    cors_err.cors = 'unsupported'
    return options.callback(cors_err, xhr)
  }

  xhr.timeoutTimer = setTimeout(too_late, options.timeout)
  function too_late() {
    timed_out = true
    var er = new Error('ETIMEDOUT')
    er.code = 'ETIMEDOUT'
    er.duration = options.timeout

    request.log.error('Timeout', { 'id':xhr._id, 'milliseconds':options.timeout })
    return options.callback(er, xhr)
  }

  // Some states can be skipped over, so remember what is still incomplete.
  var did = {'response':false, 'loading':false, 'end':false}

  xhr.onreadystatechange = on_state_change
  xhr.open(options.method, options.uri, true) // asynchronous
  if(is_cors)
    xhr.withCredentials = !! options.withCredentials
  xhr.send(options.body)
  return xhr

  function on_state_change(event) {
    if(timed_out)
      return request.log.debug('Ignoring timed out state change', {'state':xhr.readyState, 'id':xhr.id})

    request.log.debug('State change', {'state':xhr.readyState, 'id':xhr.id, 'timed_out':timed_out})

    if(xhr.readyState === XHR.OPENED) {
      request.log.debug('Request started', {'id':xhr.id})
      for (var key in options.headers)
        xhr.setRequestHeader(key, options.headers[key])
    }

    else if(xhr.readyState === XHR.HEADERS_RECEIVED)
      on_response()

    else if(xhr.readyState === XHR.LOADING) {
      on_response()
      on_loading()
    }

    else if(xhr.readyState === XHR.DONE) {
      on_response()
      on_loading()
      on_end()
    }
  }

  function on_response() {
    if(did.response)
      return

    did.response = true
    request.log.debug('Got response', {'id':xhr.id, 'status':xhr.status})
    clearTimeout(xhr.timeoutTimer)
    xhr.statusCode = xhr.status // Node request compatibility

    // Detect failed CORS requests.
    if(is_cors && xhr.statusCode == 0) {
      var cors_err = new Error('CORS request rejected: ' + options.uri)
      cors_err.cors = 'rejected'

      // Do not process this request further.
      did.loading = true
      did.end = true

      return options.callback(cors_err, xhr)
    }

    options.onResponse(null, xhr)
  }

  function on_loading() {
    if(did.loading)
      return

    did.loading = true
    request.log.debug('Response body loading', {'id':xhr.id})
    // TODO: Maybe simulate "data" events by watching xhr.responseText
  }

  function on_end() {
    if(did.end)
      return

    did.end = true
    request.log.debug('Request done', {'id':xhr.id})

    xhr.body = xhr.responseText
    if(options.json) {
      try        { xhr.body = JSON.parse(xhr.responseText) }
      catch (er) { return options.callback(er, xhr)        }
    }

    options.callback(null, xhr, xhr.body)
  }

} // request

request.withCredentials = false;
request.DEFAULT_TIMEOUT = DEFAULT_TIMEOUT;

//
// defaults
//

request.defaults = function(options, requester) {
  var def = function (method) {
    var d = function (params, callback) {
      if(typeof params === 'string')
        params = {'uri': params};
      else {
        params = JSON.parse(JSON.stringify(params));
      }
      for (var i in options) {
        if (params[i] === undefined) params[i] = options[i]
      }
      return method(params, callback)
    }
    return d
  }
  var de = def(request)
  de.get = def(request.get)
  de.post = def(request.post)
  de.put = def(request.put)
  de.head = def(request.head)
  return de
}

//
// HTTP method shortcuts
//

var shortcuts = [ 'get', 'put', 'post', 'head' ];
shortcuts.forEach(function(shortcut) {
  var method = shortcut.toUpperCase();
  var func   = shortcut.toLowerCase();

  request[func] = function(opts) {
    if(typeof opts === 'string')
      opts = {'method':method, 'uri':opts};
    else {
      opts = JSON.parse(JSON.stringify(opts));
      opts.method = method;
    }

    var args = [opts].concat(Array.prototype.slice.apply(arguments, [1]));
    return request.apply(this, args);
  }
})

//
// CouchDB shortcut
//

request.couch = function(options, callback) {
  if(typeof options === 'string')
    options = {'uri':options}

  // Just use the request API to do JSON.
  options.json = true
  if(options.body)
    options.json = options.body
  delete options.body

  callback = callback || noop

  var xhr = request(options, couch_handler)
  return xhr

  function couch_handler(er, resp, body) {
    if(er)
      return callback(er, resp, body)

    if((resp.statusCode < 200 || resp.statusCode > 299) && body.error) {
      // The body is a Couch JSON object indicating the error.
      er = new Error('CouchDB error: ' + (body.error.reason || body.error.error))
      for (var key in body)
        er[key] = body[key]
      return callback(er, resp, body);
    }

    return callback(er, resp, body);
  }
}

//
// Utility
//

function noop() {}

function getLogger() {
  var logger = {}
    , levels = ['trace', 'debug', 'info', 'warn', 'error']
    , level, i

  for(i = 0; i < levels.length; i++) {
    level = levels[i]

    logger[level] = noop
    if(typeof console !== 'undefined' && console && console[level])
      logger[level] = formatted(console, level)
  }

  return logger
}

function formatted(obj, method) {
  return formatted_logger

  function formatted_logger(str, context) {
    if(typeof context === 'object')
      str += ' ' + JSON.stringify(context)

    return obj[method].call(obj, str)
  }
}

// Return whether a URL is a cross-domain request.
function is_crossDomain(url) {
  var rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+))?)?/

  // jQuery #8138, IE may throw an exception when accessing
  // a field from window.location if document.domain has been set
  var ajaxLocation
  try { ajaxLocation = location.href }
  catch (e) {
    // Use the href attribute of an A element since IE will modify it given document.location
    ajaxLocation = document.createElement( "a" );
    ajaxLocation.href = "";
    ajaxLocation = ajaxLocation.href;
  }

  var ajaxLocParts = rurl.exec(ajaxLocation.toLowerCase()) || []
    , parts = rurl.exec(url.toLowerCase() )

  var result = !!(
    parts &&
    (  parts[1] != ajaxLocParts[1]
    || parts[2] != ajaxLocParts[2]
    || (parts[3] || (parts[1] === "http:" ? 80 : 443)) != (ajaxLocParts[3] || (ajaxLocParts[1] === "http:" ? 80 : 443))
    )
  )

  //console.debug('is_crossDomain('+url+') -> ' + result)
  return result
}

// MIT License from http://phpjs.org/functions/base64_encode:358
function b64_enc (data) {
    // Encodes string using MIME base64 algorithm
    var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
    var o1, o2, o3, h1, h2, h3, h4, bits, i = 0, ac = 0, enc="", tmp_arr = [];

    if (!data) {
        return data;
    }

    // assume utf8 data
    // data = this.utf8_encode(data+'');

    do { // pack three octets into four hexets
        o1 = data.charCodeAt(i++);
        o2 = data.charCodeAt(i++);
        o3 = data.charCodeAt(i++);

        bits = o1<<16 | o2<<8 | o3;

        h1 = bits>>18 & 0x3f;
        h2 = bits>>12 & 0x3f;
        h3 = bits>>6 & 0x3f;
        h4 = bits & 0x3f;

        // use hexets to index into b64, and append result to encoded string
        tmp_arr[ac++] = b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4);
    } while (i < data.length);

    enc = tmp_arr.join('');

    switch (data.length % 3) {
        case 1:
            enc = enc.slice(0, -2) + '==';
        break;
        case 2:
            enc = enc.slice(0, -1) + '=';
        break;
    }

    return enc;
}

},{}],2:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';

// If obj.hasOwnProperty has been overridden, then calling
// obj.hasOwnProperty(prop) will break.
// See: https://github.com/joyent/node/issues/1707
function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

module.exports = function(qs, sep, eq, options) {
  sep = sep || '&';
  eq = eq || '=';
  var obj = {};

  if (typeof qs !== 'string' || qs.length === 0) {
    return obj;
  }

  var regexp = /\+/g;
  qs = qs.split(sep);

  var maxKeys = 1000;
  if (options && typeof options.maxKeys === 'number') {
    maxKeys = options.maxKeys;
  }

  var len = qs.length;
  // maxKeys <= 0 means that we should not limit keys count
  if (maxKeys > 0 && len > maxKeys) {
    len = maxKeys;
  }

  for (var i = 0; i < len; ++i) {
    var x = qs[i].replace(regexp, '%20'),
        idx = x.indexOf(eq),
        kstr, vstr, k, v;

    if (idx >= 0) {
      kstr = x.substr(0, idx);
      vstr = x.substr(idx + 1);
    } else {
      kstr = x;
      vstr = '';
    }

    k = decodeURIComponent(kstr);
    v = decodeURIComponent(vstr);

    if (!hasOwnProperty(obj, k)) {
      obj[k] = v;
    } else if (isArray(obj[k])) {
      obj[k].push(v);
    } else {
      obj[k] = [obj[k], v];
    }
  }

  return obj;
};

var isArray = Array.isArray || function (xs) {
  return Object.prototype.toString.call(xs) === '[object Array]';
};

},{}],3:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';

var stringifyPrimitive = function(v) {
  switch (typeof v) {
    case 'string':
      return v;

    case 'boolean':
      return v ? 'true' : 'false';

    case 'number':
      return isFinite(v) ? v : '';

    default:
      return '';
  }
};

module.exports = function(obj, sep, eq, name) {
  sep = sep || '&';
  eq = eq || '=';
  if (obj === null) {
    obj = undefined;
  }

  if (typeof obj === 'object') {
    return map(objectKeys(obj), function(k) {
      var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
      if (isArray(obj[k])) {
        return obj[k].map(function(v) {
          return ks + encodeURIComponent(stringifyPrimitive(v));
        }).join(sep);
      } else {
        return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
      }
    }).join(sep);

  }

  if (!name) return '';
  return encodeURIComponent(stringifyPrimitive(name)) + eq +
         encodeURIComponent(stringifyPrimitive(obj));
};

var isArray = Array.isArray || function (xs) {
  return Object.prototype.toString.call(xs) === '[object Array]';
};

function map (xs, f) {
  if (xs.map) return xs.map(f);
  var res = [];
  for (var i = 0; i < xs.length; i++) {
    res.push(f(xs[i], i));
  }
  return res;
}

var objectKeys = Object.keys || function (obj) {
  var res = [];
  for (var key in obj) {
    if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key);
  }
  return res;
};

},{}],4:[function(require,module,exports){
'use strict';

exports.decode = exports.parse = require('./decode');
exports.encode = exports.stringify = require('./encode');

},{"./decode":2,"./encode":3}],5:[function(require,module,exports){
window.seismo = require('./seismo');


},{"./seismo":7}],6:[function(require,module,exports){
var querystring = require('querystring');

var query = {
	events: function (params) {
		if (typeof params === 'string') {
			return '?event=' + params;
		}

		return '?' + querystring.stringify(params);
	},

	reports: function (params) {
		return '?' + querystring.stringify(params);
	}
};

module.exports = query;
},{"querystring":4}],7:[function(require,module,exports){
var request = require('browser-request');
var query = require('./query');

module.exports = function (app, options) {
	if (!app) {
		throw new Error('application id is required');
	}

	if (!options || !options.credentials) {
		throw new Error('options or credentials are missing');
	}

	var server = (options && options.server) || 'http://localhost:3005';
	var credentials = options.credentials;

	if (!credentials) {
		throw new Error('options object missing service credentials');
	}

	var accessToken;

	function auth(credentials, callback) {
		request.post({url: server + '/auth', body: credentials, json: true}, function (err, response) {
			if (err) {
				return callback(err);
			}

			callback(null, response.body.token);
		});
	}

	function ensureAccessToken(callback) {
		if (!accessToken) {
			return auth(credentials, function (err, token) {
				if (err) {
					return callback(err);
				}

				accessToken = token;

				return callback(null, token);
			});
		}

		callback(null, accessToken);
	}

	var client = function client(event, data, callback) {
		var url = server + '/api/events/' + app;

		if (typeof data === 'function') {
			callback = data;
		}

		ensureAccessToken(function (err, token) {
			if (err) {
				return callback(err);
			}

			request.post({url: url, body: {event: event, data: data}, headers: {'X-Access-Token': token}, json: true}, function (err, resp) {
				if (err) {
					return callback({message: 'error occured during event posting', err: err});
				}

				if (resp.statusCode !== 201) {
					return callback({message: 'server error', code: resp.statusCode, err: resp.body});
				}

				callback(null, resp.body);
			});
		});
	};

	client.query = function(params, callback) {
		var url = server + '/api/events/' + app;

		if (typeof params === 'function') {
			callback = params;
		} else {
			url += query.events(params);
		}

		ensureAccessToken(function (err, token) {
			if (err) {
				return callback(err);
			}

			request.get({url: url, headers: {'X-Access-Token': token}, json: true}, function (err, resp) {
				if (err) {
					return callback({message: 'error occured during getting events', err: err});
				}

				if (resp.statusCode !== 200) {
					return callback({message: 'server error', code: resp.statusCode});
				}

				callback(null, resp.body);
			});
		});
	};

	client.report = function(params, callback) {
		if (!params.report) {
			return callback('missing report option');
		}

		var url = server + '/api/reports/' + params.report + '/' + app;
		url += query.reports(params);

		ensureAccessToken(function (err, token) {
			if (err) {
				return callback(err);
			}

			request.get({url: url, headers: {'X-Access-Token': token}, json: true}, function (err, resp) {
				if (err) {
					return callback({message: 'error occured during getting events', err: err});
				}

				if (resp.statusCode !== 200) {
					return callback({message: 'server error', code: resp.statusCode});
				}

				callback(null, resp.body);
			});
		});
	};

	return client;
};
},{"./query":6,"browser-request":1}]},{},[5,6,7])