├── README.textile ├── load.sh ├── yak ├── cookie.js ├── favicon.png ├── index.html ├── jquery.min.js ├── json2.js ├── md5-min.js ├── riak.js ├── styles.css └── yakriak.js └── yakmr ├── mapMessageSince ├── reduceLimitLastN └── reduceSortTimestamp /README.textile: -------------------------------------------------------------------------------- 1 | **This repository is not maintained, use at your own risk.** 2 | 3 | h1. yakriak 4 | 5 | A simple web-based chatroom app. Designed as a proof-of-concept for Ben Black's Riak training at VelocityConf 2010. 6 | 7 | h2. Features / Problems 8 | 9 | * Everything is stored and served out of Riak. No special abstraction. Take that, couchapps! 10 | * Browser Compatibility: 11 | ** WebKit-based (Chrome, Safari) 12 | ** Firefox 3.6 and 4.0 13 | ** MSIE8, maybe 7 (tested via 8's IE7 mode) 14 | * Remembers your login credentials via unencrypted cookies (not transmitted). 15 | * Randomizes the polling interval to avoid thundering-herd effects. 16 | * Uses full-bucket map-reduce, so won't perform well at huge numbers of messages. Future work could change to use key-filters but would still incur the price of list-keys. 17 | * Your email address will be used for Gravatar, should you decide not to remain anonymous. 18 | 19 | h2. Setup 20 | 21 | # Startup Riak locally on the standard HTTP port (8098). 22 | # Join your local node to the cluster, if necessary. 23 | # Run the @load.sh@ bash script. 24 | # Visit "http://127.0.0.1:8098/riak/yak/index.html":http://127.0.0.1:8098/riak/yak/index.html 25 | 26 | h2. Learn more 27 | 28 | Read the source! The majority of the work is in @yak/yakriak.js@, and the map and reduce functions in the @yakmr/@ directory. 29 | 30 | h2. Credit where credit's due 31 | 32 | * jQuery 1.4.2 (jQuery team) 33 | * riak-javascript-client (Basho) 34 | * json2.js (Douglas Crockford) 35 | * cookie.js (Maxime Haineault, John W. Long) 36 | * md5.js (Paul Johnston) 37 | -------------------------------------------------------------------------------- /load.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # Allow running the script and specifiying an install target 4 | # ./load.sh node-address:host 5 | if [ -n "$1" ] ; then 6 | node=$1 7 | else 8 | node="127.0.0.1:8098" 9 | fi 10 | 11 | function storeInRiak { 12 | echo "Storing $1 as $2"; 13 | curl -X PUT "http://$node/riak/$1" -H "Content-Type: $2" --data-binary @$1 14 | } 15 | 16 | for file in yak/*.html; do 17 | storeInRiak $file 'text/html' 18 | done 19 | 20 | for file in yak/*.js; do 21 | storeInRiak $file 'application/javascript' 22 | done 23 | 24 | for file in yak/*.css; do 25 | storeInRiak $file 'text/css' 26 | done 27 | 28 | for file in yak/*.png; do 29 | storeInRiak $file 'image/png' 30 | done 31 | 32 | for file in yakmr/*; do 33 | storeInRiak $file 'application/javascript' 34 | done 35 | -------------------------------------------------------------------------------- /yak/cookie.js: -------------------------------------------------------------------------------- 1 | /* 2 | cookie.js 3 | 4 | Copyright (c) 2007, 2008 Maxime Haineault 5 | (http://www.haineault.com/code/cookie-js/, http://code.google.com/p/cookie-js/) 6 | 7 | Portions Copyright (c) 2008, John W. Long 8 | 9 | Permission is hereby granted, free of charge, to any person obtaining 10 | a copy of this software and associated documentation files (the 11 | "Software"), to deal in the Software without restriction, including 12 | without limitation the rights to use, copy, modify, merge, publish, 13 | distribute, sublicense, and/or sell copies of the Software, and to 14 | permit persons to whom the Software is furnished to do so, subject to 15 | the following conditions: 16 | 17 | The above copyright notice and this permission notice shall be 18 | included in all copies or substantial portions of the Software. 19 | 20 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23 | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24 | LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 | WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 | */ 28 | 29 | Cookie = { 30 | get: function(name) { 31 | // Still not sure that "[a-zA-Z0-9.()=|%/]+($|;)" match *all* allowed characters in cookies 32 | tmp = document.cookie.match((new RegExp(name +'=[a-zA-Z0-9.()=|%/]+($|;)','g'))); 33 | if (!tmp || !tmp[0]) { 34 | return null; 35 | } else { 36 | return unescape(tmp[0].substring(name.length + 1, tmp[0].length).replace(';', '')) || null; 37 | } 38 | }, 39 | 40 | set: function(name, value, expireInHours, path, domain, secure) { 41 | var cookie = [ 42 | name + '=' + escape(value), 43 | 'path=' + ((!path || path == '') ? '/' : path) 44 | ]; 45 | if (Cookie._notEmpty(domain)) cookie.push('domain=' + domain); 46 | if (Cookie._notEmpty(expireInHours)) cookie.push(Cookie._hoursToExpireDate(expireInHours)); 47 | if (Cookie._notEmpty(secure)) cookie.push('secure'); 48 | return document.cookie = cookie.join(';'); 49 | }, 50 | 51 | erase: function(name, path, domain) { 52 | path = (!path || typeof path != 'string') ? '' : path; 53 | domain = (!domain || typeof domain != 'string') ? '' : domain; 54 | if (Cookie.get(name)) Cookie.set(name, '', 'Thu, 01-Jan-70 00:00:01 GMT', path, domain); 55 | }, 56 | 57 | // Returns true if cookies are enabled 58 | accept: function() { 59 | Cookie.set('b49f729efde9b2578ea9f00563d06e57', 'true'); 60 | if (Cookie.get('b49f729efde9b2578ea9f00563d06e57') == 'true') { 61 | Cookie.erase('b49f729efde9b2578ea9f00563d06e57'); 62 | return true; 63 | } 64 | return false; 65 | }, 66 | 67 | _notEmpty: function(value) { 68 | return (typeof value != 'undefined' && value != null && value != ''); 69 | }, 70 | 71 | // Private function for calculating the date of expiration based on hours 72 | _hoursToExpireDate: function(hours) { 73 | if (parseInt(hours) == 'NaN' ) return ''; 74 | else { 75 | now = new Date(); 76 | now.setTime(now.getTime() + (parseInt(hours) * 60 * 60 * 1000)); 77 | return now.toGMTString(); 78 | } 79 | } 80 | } 81 | -------------------------------------------------------------------------------- /yak/favicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/seancribbs/yakriak/381e3dc01ede11beebb480d288cd81d6f123bc9c/yak/favicon.png -------------------------------------------------------------------------------- /yak/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | YakRiak - The Riak-powered Chatroom 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |

YakRiak: The Riak-powered Chatroom

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"; 149 | a.insertBefore(b,a.firstChild);d=b.firstChild;f=d.firstChild;e=d.nextSibling.firstChild.firstChild;this.doesNotAddBorder=f.offsetTop!==5;this.doesAddBorderForTableAndCells=e.offsetTop===5;f.style.position="fixed";f.style.top="20px";this.supportsFixedPosition=f.offsetTop===20||f.offsetTop===15;f.style.position=f.style.top="";d.style.overflow="hidden";d.style.position="relative";this.subtractsBorderForOverflowNotVisible=f.offsetTop===-5;this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==j;a.removeChild(b); 150 | c.offset.initialize=c.noop},bodyOffset:function(a){var b=a.offsetTop,d=a.offsetLeft;c.offset.initialize();if(c.offset.doesNotIncludeMarginInBodyOffset){b+=parseFloat(c.curCSS(a,"marginTop",true))||0;d+=parseFloat(c.curCSS(a,"marginLeft",true))||0}return{top:b,left:d}},setOffset:function(a,b,d){if(/static/.test(c.curCSS(a,"position")))a.style.position="relative";var f=c(a),e=f.offset(),j=parseInt(c.curCSS(a,"top",true),10)||0,i=parseInt(c.curCSS(a,"left",true),10)||0;if(c.isFunction(b))b=b.call(a, 151 | d,e);d={top:b.top-e.top+j,left:b.left-e.left+i};"using"in b?b.using.call(a,d):f.css(d)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),d=this.offset(),f=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();d.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;d.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;f.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;f.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:d.top- 152 | f.top,left:d.left-f.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||s.body;a&&!/^body|html$/i.test(a.nodeName)&&c.css(a,"position")==="static";)a=a.offsetParent;return a})}});c.each(["Left","Top"],function(a,b){var d="scroll"+b;c.fn[d]=function(f){var e=this[0],j;if(!e)return null;if(f!==w)return this.each(function(){if(j=wa(this))j.scrollTo(!a?f:c(j).scrollLeft(),a?f:c(j).scrollTop());else this[d]=f});else return(j=wa(e))?"pageXOffset"in j?j[a?"pageYOffset": 153 | "pageXOffset"]:c.support.boxModel&&j.document.documentElement[d]||j.document.body[d]:e[d]}});c.each(["Height","Width"],function(a,b){var d=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],d,false,"padding"):null};c.fn["outer"+b]=function(f){return this[0]?c.css(this[0],d,false,f?"margin":"border"):null};c.fn[d]=function(f){var e=this[0];if(!e)return f==null?null:this;if(c.isFunction(f))return this.each(function(j){var i=c(this);i[d](f.call(this,j,i[d]()))});return"scrollTo"in 154 | e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window); 155 | -------------------------------------------------------------------------------- /yak/json2.js: -------------------------------------------------------------------------------- 1 | 2 | /* 3 | http://www.JSON.org/json2.js 4 | 2009-09-29 5 | 6 | Public Domain. 7 | 8 | NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK. 9 | 10 | See http://www.JSON.org/js.html 11 | 12 | 13 | This code should be minified before deployment. 14 | See http://javascript.crockford.com/jsmin.html 15 | 16 | USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO 17 | NOT CONTROL. 18 | 19 | 20 | This file creates a global JSON object containing two methods: stringify 21 | and parse. 22 | 23 | JSON.stringify(value, replacer, space) 24 | value any JavaScript value, usually an object or array. 25 | 26 | replacer an optional parameter that determines how object 27 | values are stringified for objects. It can be a 28 | function or an array of strings. 29 | 30 | space an optional parameter that specifies the indentation 31 | of nested structures. If it is omitted, the text will 32 | be packed without extra whitespace. If it is a number, 33 | it will specify the number of spaces to indent at each 34 | level. If it is a string (such as '\t' or ' '), 35 | it contains the characters used to indent at each level. 36 | 37 | This method produces a JSON text from a JavaScript value. 38 | 39 | When an object value is found, if the object contains a toJSON 40 | method, its toJSON method will be called and the result will be 41 | stringified. A toJSON method does not serialize: it returns the 42 | value represented by the name/value pair that should be serialized, 43 | or undefined if nothing should be serialized. The toJSON method 44 | will be passed the key associated with the value, and this will be 45 | bound to the value 46 | 47 | For example, this would serialize Dates as ISO strings. 48 | 49 | Date.prototype.toJSON = function (key) { 50 | function f(n) { 51 | // Format integers to have at least two digits. 52 | return n < 10 ? '0' + n : n; 53 | } 54 | 55 | return this.getUTCFullYear() + '-' + 56 | f(this.getUTCMonth() + 1) + '-' + 57 | f(this.getUTCDate()) + 'T' + 58 | f(this.getUTCHours()) + ':' + 59 | f(this.getUTCMinutes()) + ':' + 60 | f(this.getUTCSeconds()) + 'Z'; 61 | }; 62 | 63 | You can provide an optional replacer method. It will be passed the 64 | key and value of each member, with this bound to the containing 65 | object. The value that is returned from your method will be 66 | serialized. If your method returns undefined, then the member will 67 | be excluded from the serialization. 68 | 69 | If the replacer parameter is an array of strings, then it will be 70 | used to select the members to be serialized. It filters the results 71 | such that only members with keys listed in the replacer array are 72 | stringified. 73 | 74 | Values that do not have JSON representations, such as undefined or 75 | functions, will not be serialized. Such values in objects will be 76 | dropped; in arrays they will be replaced with null. You can use 77 | a replacer function to replace those with JSON values. 78 | JSON.stringify(undefined) returns undefined. 79 | 80 | The optional space parameter produces a stringification of the 81 | value that is filled with line breaks and indentation to make it 82 | easier to read. 83 | 84 | If the space parameter is a non-empty string, then that string will 85 | be used for indentation. If the space parameter is a number, then 86 | the indentation will be that many spaces. 87 | 88 | Example: 89 | 90 | text = JSON.stringify(['e', {pluribus: 'unum'}]); 91 | // text is '["e",{"pluribus":"unum"}]' 92 | 93 | 94 | text = JSON.stringify(['e', {pluribus: 'unum'}], null, '\t'); 95 | // text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]' 96 | 97 | text = JSON.stringify([new Date()], function (key, value) { 98 | return this[key] instanceof Date ? 99 | 'Date(' + this[key] + ')' : value; 100 | }); 101 | // text is '["Date(---current time---)"]' 102 | 103 | 104 | JSON.parse(text, reviver) 105 | This method parses a JSON text to produce an object or array. 106 | It can throw a SyntaxError exception. 107 | 108 | The optional reviver parameter is a function that can filter and 109 | transform the results. It receives each of the keys and values, 110 | and its return value is used instead of the original value. 111 | If it returns what it received, then the structure is not modified. 112 | If it returns undefined then the member is deleted. 113 | 114 | Example: 115 | 116 | // Parse the text. Values that look like ISO date strings will 117 | // be converted to Date objects. 118 | 119 | myData = JSON.parse(text, function (key, value) { 120 | var a; 121 | if (typeof value === 'string') { 122 | a = 123 | /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value); 124 | if (a) { 125 | return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4], 126 | +a[5], +a[6])); 127 | } 128 | } 129 | return value; 130 | }); 131 | 132 | myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) { 133 | var d; 134 | if (typeof value === 'string' && 135 | value.slice(0, 5) === 'Date(' && 136 | value.slice(-1) === ')') { 137 | d = new Date(value.slice(5, -1)); 138 | if (d) { 139 | return d; 140 | } 141 | } 142 | return value; 143 | }); 144 | 145 | 146 | This is a reference implementation. You are free to copy, modify, or 147 | redistribute. 148 | */ 149 | 150 | /*jslint evil: true, strict: false */ 151 | 152 | /*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply, 153 | call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours, 154 | getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join, 155 | lastIndex, length, parse, prototype, push, replace, slice, stringify, 156 | test, toJSON, toString, valueOf 157 | */ 158 | 159 | 160 | // Create a JSON object only if one does not already exist. We create the 161 | // methods in a closure to avoid creating global variables. 162 | 163 | if (!this.JSON) { 164 | this.JSON = {}; 165 | } 166 | 167 | (function () { 168 | 169 | function f(n) { 170 | // Format integers to have at least two digits. 171 | return n < 10 ? '0' + n : n; 172 | } 173 | 174 | if (typeof Date.prototype.toJSON !== 'function') { 175 | 176 | Date.prototype.toJSON = function (key) { 177 | 178 | return isFinite(this.valueOf()) ? 179 | this.getUTCFullYear() + '-' + 180 | f(this.getUTCMonth() + 1) + '-' + 181 | f(this.getUTCDate()) + 'T' + 182 | f(this.getUTCHours()) + ':' + 183 | f(this.getUTCMinutes()) + ':' + 184 | f(this.getUTCSeconds()) + 'Z' : null; 185 | }; 186 | 187 | String.prototype.toJSON = 188 | Number.prototype.toJSON = 189 | Boolean.prototype.toJSON = function (key) { 190 | return this.valueOf(); 191 | }; 192 | } 193 | 194 | var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, 195 | escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, 196 | gap, 197 | indent, 198 | meta = { // table of character substitutions 199 | '\b': '\\b', 200 | '\t': '\\t', 201 | '\n': '\\n', 202 | '\f': '\\f', 203 | '\r': '\\r', 204 | '"' : '\\"', 205 | '\\': '\\\\' 206 | }, 207 | rep; 208 | 209 | 210 | function quote(string) { 211 | 212 | // If the string contains no control characters, no quote characters, and no 213 | // backslash characters, then we can safely slap some quotes around it. 214 | // Otherwise we must also replace the offending characters with safe escape 215 | // sequences. 216 | 217 | escapable.lastIndex = 0; 218 | return escapable.test(string) ? 219 | '"' + string.replace(escapable, function (a) { 220 | var c = meta[a]; 221 | return typeof c === 'string' ? c : 222 | '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); 223 | }) + '"' : 224 | '"' + string + '"'; 225 | } 226 | 227 | 228 | function str(key, holder) { 229 | 230 | // Produce a string from holder[key]. 231 | 232 | var i, // The loop counter. 233 | k, // The member key. 234 | v, // The member value. 235 | length, 236 | mind = gap, 237 | partial, 238 | value = holder[key]; 239 | 240 | // If the value has a toJSON method, call it to obtain a replacement value. 241 | 242 | if (value && typeof value === 'object' && 243 | typeof value.toJSON === 'function') { 244 | value = value.toJSON(key); 245 | } 246 | 247 | // If we were called with a replacer function, then call the replacer to 248 | // obtain a replacement value. 249 | 250 | if (typeof rep === 'function') { 251 | value = rep.call(holder, key, value); 252 | } 253 | 254 | // What happens next depends on the value's type. 255 | 256 | switch (typeof value) { 257 | case 'string': 258 | return quote(value); 259 | 260 | case 'number': 261 | 262 | // JSON numbers must be finite. Encode non-finite numbers as null. 263 | 264 | return isFinite(value) ? String(value) : 'null'; 265 | 266 | case 'boolean': 267 | case 'null': 268 | 269 | // If the value is a boolean or null, convert it to a string. Note: 270 | // typeof null does not produce 'null'. The case is included here in 271 | // the remote chance that this gets fixed someday. 272 | 273 | return String(value); 274 | 275 | // If the type is 'object', we might be dealing with an object or an array or 276 | // null. 277 | 278 | case 'object': 279 | 280 | // Due to a specification blunder in ECMAScript, typeof null is 'object', 281 | // so watch out for that case. 282 | 283 | if (!value) { 284 | return 'null'; 285 | } 286 | 287 | // Make an array to hold the partial results of stringifying this object value. 288 | 289 | gap += indent; 290 | partial = []; 291 | 292 | // Is the value an array? 293 | 294 | if (Object.prototype.toString.apply(value) === '[object Array]') { 295 | 296 | // The value is an array. Stringify every element. Use null as a placeholder 297 | // for non-JSON values. 298 | 299 | length = value.length; 300 | for (i = 0; i < length; i += 1) { 301 | partial[i] = str(i, value) || 'null'; 302 | } 303 | 304 | // Join all of the elements together, separated with commas, and wrap them in 305 | // brackets. 306 | 307 | v = partial.length === 0 ? '[]' : 308 | gap ? '[\n' + gap + 309 | partial.join(',\n' + gap) + '\n' + 310 | mind + ']' : 311 | '[' + partial.join(',') + ']'; 312 | gap = mind; 313 | return v; 314 | } 315 | 316 | // If the replacer is an array, use it to select the members to be stringified. 317 | 318 | if (rep && typeof rep === 'object') { 319 | length = rep.length; 320 | for (i = 0; i < length; i += 1) { 321 | k = rep[i]; 322 | if (typeof k === 'string') { 323 | v = str(k, value); 324 | if (v) { 325 | partial.push(quote(k) + (gap ? ': ' : ':') + v); 326 | } 327 | } 328 | } 329 | } else { 330 | 331 | // Otherwise, iterate through all of the keys in the object. 332 | 333 | for (k in value) { 334 | if (Object.hasOwnProperty.call(value, k)) { 335 | v = str(k, value); 336 | if (v) { 337 | partial.push(quote(k) + (gap ? ': ' : ':') + v); 338 | } 339 | } 340 | } 341 | } 342 | 343 | // Join all of the member texts together, separated with commas, 344 | // and wrap them in braces. 345 | 346 | v = partial.length === 0 ? '{}' : 347 | gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + 348 | mind + '}' : '{' + partial.join(',') + '}'; 349 | gap = mind; 350 | return v; 351 | } 352 | } 353 | 354 | // If the JSON object does not yet have a stringify method, give it one. 355 | 356 | if (typeof JSON.stringify !== 'function') { 357 | JSON.stringify = function (value, replacer, space) { 358 | 359 | // The stringify method takes a value and an optional replacer, and an optional 360 | // space parameter, and returns a JSON text. The replacer can be a function 361 | // that can replace values, or an array of strings that will select the keys. 362 | // A default replacer method can be provided. Use of the space parameter can 363 | // produce text that is more easily readable. 364 | 365 | var i; 366 | gap = ''; 367 | indent = ''; 368 | 369 | // If the space parameter is a number, make an indent string containing that 370 | // many spaces. 371 | 372 | if (typeof space === 'number') { 373 | for (i = 0; i < space; i += 1) { 374 | indent += ' '; 375 | } 376 | 377 | // If the space parameter is a string, it will be used as the indent string. 378 | 379 | } else if (typeof space === 'string') { 380 | indent = space; 381 | } 382 | 383 | // If there is a replacer, it must be a function or an array. 384 | // Otherwise, throw an error. 385 | 386 | rep = replacer; 387 | if (replacer && typeof replacer !== 'function' && 388 | (typeof replacer !== 'object' || 389 | typeof replacer.length !== 'number')) { 390 | throw new Error('JSON.stringify'); 391 | } 392 | 393 | // Make a fake root object containing our value under the key of ''. 394 | // Return the result of stringifying the value. 395 | 396 | return str('', {'': value}); 397 | }; 398 | } 399 | 400 | 401 | // If the JSON object does not yet have a parse method, give it one. 402 | 403 | if (typeof JSON.parse !== 'function') { 404 | JSON.parse = function (text, reviver) { 405 | 406 | // The parse method takes a text and an optional reviver function, and returns 407 | // a JavaScript value if the text is a valid JSON text. 408 | 409 | var j; 410 | 411 | function walk(holder, key) { 412 | 413 | // The walk method is used to recursively walk the resulting structure so 414 | // that modifications can be made. 415 | 416 | var k, v, value = holder[key]; 417 | if (value && typeof value === 'object') { 418 | for (k in value) { 419 | if (Object.hasOwnProperty.call(value, k)) { 420 | v = walk(value, k); 421 | if (v !== undefined) { 422 | value[k] = v; 423 | } else { 424 | delete value[k]; 425 | } 426 | } 427 | } 428 | } 429 | return reviver.call(holder, key, value); 430 | } 431 | 432 | 433 | // Parsing happens in four stages. In the first stage, we replace certain 434 | // Unicode characters with escape sequences. JavaScript handles many characters 435 | // incorrectly, either silently deleting them, or treating them as line endings. 436 | 437 | cx.lastIndex = 0; 438 | if (cx.test(text)) { 439 | text = text.replace(cx, function (a) { 440 | return '\\u' + 441 | ('0000' + a.charCodeAt(0).toString(16)).slice(-4); 442 | }); 443 | } 444 | 445 | // In the second stage, we run the text against regular expressions that look 446 | // for non-JSON patterns. We are especially concerned with '()' and 'new' 447 | // because they can cause invocation, and '=' because it can cause mutation. 448 | // But just to be safe, we want to reject all unexpected forms. 449 | 450 | // We split the second stage into 4 regexp operations in order to work around 451 | // crippling inefficiencies in IE's and Safari's regexp engines. First we 452 | // replace the JSON backslash pairs with '@' (a non-JSON character). Second, we 453 | // replace all simple value tokens with ']' characters. Third, we delete all 454 | // open brackets that follow a colon or comma or that begin the text. Finally, 455 | // we look to see that the remaining characters are only whitespace or ']' or 456 | // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. 457 | 458 | if (/^[\],:{}\s]*$/. 459 | test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@'). 460 | replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'). 461 | replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { 462 | 463 | // In the third stage we use the eval function to compile the text into a 464 | // JavaScript structure. The '{' operator is subject to a syntactic ambiguity 465 | // in JavaScript: it can begin a block or an object literal. We wrap the text 466 | // in parens to eliminate the ambiguity. 467 | 468 | j = eval('(' + text + ')'); 469 | 470 | // In the optional fourth stage, we recursively walk the new structure, passing 471 | // each name/value pair to a reviver function for possible transformation. 472 | 473 | return typeof reviver === 'function' ? 474 | walk({'': j}, '') : j; 475 | } 476 | 477 | // If the text is not JSON parseable, then a SyntaxError is thrown. 478 | 479 | throw new SyntaxError('JSON.parse'); 480 | }; 481 | } 482 | }()); 483 | -------------------------------------------------------------------------------- /yak/md5-min.js: -------------------------------------------------------------------------------- 1 | /* 2 | * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message 3 | * Digest Algorithm, as defined in RFC 1321. 4 | * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009 5 | * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet 6 | * Distributed under the BSD License 7 | * See http://pajhome.org.uk/crypt/md5 for more info. 8 | */ 9 | var hexcase=0;function hex_md5(a){return rstr2hex(rstr_md5(str2rstr_utf8(a)))}function hex_hmac_md5(a,b){return rstr2hex(rstr_hmac_md5(str2rstr_utf8(a),str2rstr_utf8(b)))}function md5_vm_test(){return hex_md5("abc").toLowerCase()=="900150983cd24fb0d6963f7d28e17f72"}function rstr_md5(a){return binl2rstr(binl_md5(rstr2binl(a),a.length*8))}function rstr_hmac_md5(c,f){var e=rstr2binl(c);if(e.length>16){e=binl_md5(e,c.length*8)}var a=Array(16),d=Array(16);for(var b=0;b<16;b++){a[b]=e[b]^909522486;d[b]=e[b]^1549556828}var g=binl_md5(a.concat(rstr2binl(f)),512+f.length*8);return binl2rstr(binl_md5(d.concat(g),512+128))}function rstr2hex(c){try{hexcase}catch(g){hexcase=0}var f=hexcase?"0123456789ABCDEF":"0123456789abcdef";var b="";var a;for(var d=0;d>>4)&15)+f.charAt(a&15)}return b}function str2rstr_utf8(c){var b="";var d=-1;var a,e;while(++d>>6)&31),128|(a&63))}else{if(a<=65535){b+=String.fromCharCode(224|((a>>>12)&15),128|((a>>>6)&63),128|(a&63))}else{if(a<=2097151){b+=String.fromCharCode(240|((a>>>18)&7),128|((a>>>12)&63),128|((a>>>6)&63),128|(a&63))}}}}}return b}function rstr2binl(b){var a=Array(b.length>>2);for(var c=0;c>5]|=(b.charCodeAt(c/8)&255)<<(c%32)}return a}function binl2rstr(b){var a="";for(var c=0;c>5]>>>(c%32))&255)}return a}function binl_md5(p,k){p[k>>5]|=128<<((k)%32);p[(((k+64)>>>9)<<4)+14]=k;var o=1732584193;var n=-271733879;var m=-1732584194;var l=271733878;for(var g=0;g>16)+(d>>16)+(c>>16);return(b<<16)|(c&65535)}function bit_rol(a,b){return(a<>>(32-b))}; -------------------------------------------------------------------------------- /yak/riak.js: -------------------------------------------------------------------------------- 1 | /* -*- mode: js2; js2-basic-offset: 2; indent-tabs-mode: nil -*- */ 2 | /** 3 | This file is provided to you under the Apache License, 4 | Version 2.0 (the "License"); you may not use this file 5 | except in compliance with the License. You may obtain 6 | a copy of the License at 7 | 8 | http://www.apache.org/licenses/LICENSE-2.0 9 | 10 | Unless required by applicable law or agreed to in writing, 11 | software distributed under the License is distributed on an 12 | "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 13 | KIND, either express or implied. See the License for the 14 | specific language governing permissions and limitations 15 | under the License. 16 | **/ 17 | 18 | /** 19 | * This is a Javascript client for the Riak REST API. It 20 | * has two dependencies: 21 | * Douglas Crockford's JSON library: http://www.json.org/js.html 22 | * jQuery: http://jquery.com/ (but only for Ajax requests) 23 | * 24 | */ 25 | 26 | /** 27 | * TODO: Handle sibling values 28 | */ 29 | 30 | /** 31 | * Utility functions which don't belong anywhere else 32 | */ 33 | var RiakUtil = function() { 34 | return { 35 | /** 36 | * Base64 encode a number 37 | * @param num - Number to encode 38 | * @return string containing base64 encoded number 39 | */ 40 | base64Encode: function(num) { 41 | var base64digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; 42 | return base64digits[(num >>> 26)] + base64digits[((num >>> 20)&63)] + 43 | base64digits[((num >>> 14)&63)] + base64digits[((num >>> 8)&63)] + 44 | base64digits[((num >>> 2)&63)] + base64digits[((num << 4)&63)] + '=='; 45 | }, 46 | /** 47 | * Trim spaces from beginning/end of text 48 | * @param text - Text to trimg 49 | * @return string with leading & trailing spaces removed 50 | */ 51 | trim: function(text) { 52 | var tmp = text.replace(/^\s+/, ''); 53 | return tmp.replace(/\s+$/, ''); 54 | }, 55 | 56 | /** 57 | * Was request successful? 58 | * @param req- XMLHttpRequest object 59 | * @return true if status is 2xx, false otherwise 60 | */ 61 | wasSuccessful: function(req) { 62 | return req.status > 199 && req.status < 300; 63 | }, 64 | /** 65 | * Create a modified accepts object 66 | */ 67 | multipart_accepts: function() { 68 | var current = jQuery.ajaxSettings.accepts; 69 | var accepts = {}; 70 | for (prop in current) { 71 | accepts[prop] = current[prop]; 72 | } 73 | accepts.multipart = "multipart/mixed;q=1.1"; 74 | return accepts; 75 | }, 76 | get_boundary: function(contentType) { 77 | var idx = contentType.indexOf("boundary="); 78 | if(idx < 0) 79 | throw('Could not locate boundary for multipart/mixed'); 80 | return contentType.substr(idx+9); 81 | }, 82 | /** 83 | * Parse a 300 request into siblings. This handles embedded 84 | * new lines and control characters. Unfortunately Firefox 85 | * seems to trim embedded \000 in the XHR response. Beware 86 | * for binary data (images etc) you may need to set allow_mult 87 | * false for the bucket until an alternative is found. 88 | * 89 | * @param contentType content type header with boundary information 90 | * @param text body of 300 response to be split 91 | * @return true if status is 2xx, false otherwise 92 | */ 93 | parseSiblings: function(contentType, text) { 94 | var prefixAt = function(idx, prefix) { 95 | return (text.substr(idx, prefix.length) === prefix); 96 | }; 97 | var nextChunk = function(lookFor, start_idx) { 98 | var idx = text.indexOf(lookFor, start_idx); 99 | if (idx < 0) 100 | throw("Could not find next chunk"); 101 | return idx; 102 | }; 103 | 104 | var boundary = RiakUtil.get_boundary(contentType); 105 | var nextBoundary = "--"+boundary+"\r\n"; 106 | var idx = nextChunk(nextBoundary, 0) + nextBoundary.length; // skip preamble 107 | var last_idx; 108 | var siblings = []; 109 | var sibling = {}; 110 | nextBoundary = "\r\n--"+boundary; 111 | for(;;) { 112 | // If a header 113 | if (prefixAt(idx, "\r\n") != true) { 114 | last_idx = idx; 115 | idx = nextChunk(": ", last_idx); 116 | var hdr = text.substring(last_idx, idx); 117 | last_idx = idx + 2; 118 | idx = nextChunk("\r\n", last_idx); 119 | var val = text.substring(last_idx, idx); 120 | if (hdr === 'Content-Type') { 121 | sibling.contentType = val; 122 | } else if (hdr === 'Link') { 123 | sibling.linkHeader = val; 124 | } 125 | idx += 2; 126 | } else { // Idx points to \r\n at end of headers, grab the body 127 | last_idx = idx + 2; 128 | idx = nextChunk(nextBoundary, last_idx + 2) 129 | sibling.body = text.substring(last_idx, idx); 130 | siblings.push(sibling); 131 | sibling = {}; 132 | idx += nextBoundary.length; 133 | if (prefixAt(idx, "--\r\n")) // --boundary-- is the end of 134 | break; 135 | else if (prefixAt(idx, "\r\n")) 136 | idx += 2; 137 | else 138 | throw("Expecting boundary or end of multipart/mixed"); 139 | } 140 | } 141 | return siblings; 142 | } 143 | }; 144 | }(); 145 | 146 | /** 147 | * Builds a map/reduce chain and executes it 148 | * @param client RiakClient object 149 | * @param bucketName Riak bucket name 150 | * @param key Riak bucket key (optional) 151 | */ 152 | function RiakMapper(client, bucketName, key) { 153 | if (bucketName === undefined || 154 | client === undefined) { 155 | throw('Cannot construct RiakMapper without bucketName and client'); 156 | } 157 | this.client = client; 158 | this.bucket = bucketName; 159 | this.key = key; 160 | this.phases = []; 161 | }; 162 | 163 | /** 164 | * Add a map phase to a map/reduce job 165 | * @param options - Hash describing the map phase 166 | * @return RiakMapper instance for method chaining fun 167 | */ 168 | RiakMapper.prototype.map = function(options) { 169 | this.phases.push(this._buildPhase({map: null}, options)); 170 | return this; 171 | }; 172 | 173 | /** 174 | * Add a map phase to a map/reduce job 175 | * @param options - Hash describing the reduce phase 176 | * @return RiakMapper instance for method chaining fun 177 | */ 178 | RiakMapper.prototype.reduce = function(options) { 179 | this.phases.push(this._buildPhase({reduce: null}, options)); 180 | return this; 181 | }; 182 | 183 | /** 184 | * Add a link phase to a map/reduce job 185 | * @param options - Hash describing the link phase 186 | */ 187 | RiakMapper.prototype.link = function(options) { 188 | this.phases.push(this._buildPhase({link: null}, options)); 189 | return this; 190 | }; 191 | 192 | /** 193 | * Runs a map/reduce job 194 | * @param timeout - Job timeout (in milliseconds). Defaults to 60000 195 | * @param callback - Function to call when op completes 196 | * 197 | * callback - function(success, request, results) 198 | * @param success - Boolean indicating success or failure 199 | * @param results - JSON decoded results or null 200 | * @param request - XMLHttpRequest object 201 | */ 202 | RiakMapper.prototype.run = function(timeout, callback) { 203 | if (timeout === undefined || timeout === null) { 204 | timeout = 60000; 205 | } 206 | else if (typeof timeout === 'function') { 207 | callback = timeout; 208 | timeout = 60000; 209 | } 210 | var mapper = this; 211 | var job = {'inputs': this._buildInputs(), 212 | 'query': this.phases, 213 | 'timeout': timeout}; 214 | jQuery.ajax({url: this.client.mapredUrl, 215 | type: 'POST', 216 | data: JSON.stringify(job), 217 | beforeSend: function(req) { req.setRequestHeader('X-Riak-ClientId', mapper.client.clientId); }, 218 | complete: function(req, StatusText) { if (callback !== undefined) { 219 | if (RiakUtil.wasSuccessful(req)) { 220 | callback(true, JSON.parse(req.responseText), req); 221 | } 222 | else { 223 | try { 224 | var error = {error: JSON.parse(req.responseText)}; 225 | callback(false, error, req); 226 | } 227 | catch (e) { 228 | callback(false, null, req); 229 | } 230 | } } } }); 231 | }; 232 | 233 | /** Start RiakMapper internals **/ 234 | RiakMapper.prototype._buildPhase = function(starter, options) { 235 | if (typeof options.source === 'function') { 236 | source = options.source; 237 | try 238 | { 239 | /* Create a string with minimal padding - JSON.parse 240 | * does not like embedded newlines in strings 241 | * and function.toString() on FireFox (on 3.6.3) generates 242 | * a string with embedded newlines. 243 | */ 244 | options.source = source.toString(-1); 245 | } 246 | catch (e) 247 | { 248 | options.source = source.toString(); 249 | } 250 | } 251 | if ((starter.map === null || 252 | starter.reduce === null) && (options.language === null || options.language === undefined)) { 253 | options.language = 'javascript'; 254 | } 255 | if (starter.map === null) { 256 | starter.map = options; 257 | } 258 | else if (starter.reduce === null){ 259 | starter.reduce = options; 260 | } 261 | else { 262 | if (options.bucket === null || options.bucket === undefined) { 263 | options.bucket = this.bucketName; 264 | } 265 | starter.link = options; 266 | } 267 | return starter; 268 | }; 269 | 270 | RiakMapper.prototype._buildInputs = function() { 271 | if (this.key !== null && this.key !== undefined) { 272 | return [[this.bucket, this.key]]; 273 | } 274 | else { 275 | return this.bucket; 276 | } 277 | } 278 | /** End RiakMapper internals **/ 279 | 280 | /** 281 | * Models an entry in a Riak bucket 282 | * @param bucketName - Riak bucket name 283 | * @param key - Object's key 284 | * @param client - Owning RiakClient 285 | * @param body - Object's data 286 | * @param contentType - Mime type associated with data 287 | * @param vclock - Riak-assigned vclock 288 | */ 289 | function RiakObject(bucketName, key, client, body, contentType, vclock) { 290 | if (client === undefined) { 291 | throw("Cannot construct RiakObject without a client reference"); 292 | } 293 | this.bucket = bucketName; 294 | this.key = key; 295 | this.client = client; 296 | if (contentType === undefined) { 297 | this.contentType = 'application/octet-stream'; 298 | } 299 | else { 300 | this.contentType = contentType; 301 | } 302 | if (contentType === 'application/json') { 303 | if (body !== undefined) { 304 | this.body = JSON.parse(body); 305 | } 306 | else { 307 | this.body = ''; 308 | } 309 | } 310 | else { 311 | if (body === undefined) { 312 | this.body = ''; 313 | } 314 | else { 315 | this.body = body; 316 | } 317 | } 318 | this.vclock = vclock; 319 | this.links = []; 320 | }; 321 | 322 | /** 323 | * 'Hydrates' a RiakObject from a HTTP request 324 | * @param bucket - Riak bucket name 325 | * @param key - Riak bucket key 326 | * @param client - Owning RiakClient 327 | * @param req - XMLHttpRequest 328 | */ 329 | RiakObject.fromRequest = function(bucket, key, client, req) { 330 | var contentType = req.getResponseHeader('Content-Type'); 331 | var vclock = req.getResponseHeader('X-Riak-Vclock'); 332 | var linkHeader = req.getResponseHeader('Link'); 333 | var body = req.responseText; 334 | var retval = new RiakObject(bucket, key, client, body, contentType, vclock); 335 | retval.setLinks(linkHeader); 336 | return retval; 337 | }; 338 | 339 | RiakObject.fromMultipart = function(bucket, key, client, vclock, multipartChunk) { 340 | var retval = new RiakObject(bucket, key, client, multipartChunk.body, multipartChunk.contentType, vclock); 341 | retval.setLinks(multipartChunk.linkHeader); 342 | return retval; 343 | } 344 | 345 | /** 346 | * Begins building a map/reduce job which will 347 | * use the current object as input 348 | * @param options - Hash description the map phase 349 | */ 350 | RiakObject.prototype.map = function(options) { 351 | var mapper = new RiakMapper(this.client, this.bucket, this.key); 352 | return mapper.map(options); 353 | }; 354 | 355 | /** 356 | * Begins building a map/reduce job which will 357 | * use the current object as input 358 | * @param options - Hash description the reduce phase 359 | */ 360 | RiakObject.prototype.reduce = function(options) { 361 | var mapper = new RiakMapper(this.client, this.bucket, this.key); 362 | return mapper.reduce(options); 363 | }; 364 | 365 | /** 366 | * Begins building a map/reduce job which will 367 | * use the current object as input 368 | * @param options - Hash description the link phase 369 | */ 370 | RiakObject.prototype.link = function(options) { 371 | var mapper = new RiakMapper(this.client, this.bucket, this.key); 372 | return mapper.link(options); 373 | }; 374 | 375 | /** 376 | * Parses a raw link header and populates the links array 377 | * @param linkHeader - Raw link header string 378 | */ 379 | RiakObject.prototype.setLinks = function(linkHeader) { 380 | var parsedLinks = new Array(); 381 | if (linkHeader != '') { 382 | var links = linkHeader.split(","); 383 | for (var i = 0; i < links.length; i++) { 384 | var linkParts = links[i].split(';'); 385 | var linkTag = RiakUtil.trim(linkParts[1]); 386 | var linkTo = RiakUtil.trim(linkParts[0].replace(/Link: ?/, '')); 387 | linkTo = linkTo.replace(//, ''); 388 | linkTo = linkTo.replace(/\"/g, ''); 389 | linkTag = linkTag.replace('riaktag=', ''); 390 | linkTag = linkTag.replace(/\"/g, ''); 391 | parsedLinks.push({tag: linkTag.toString(), target: linkTo.toString()}); 392 | } 393 | } 394 | this.links = parsedLinks; 395 | }; 396 | 397 | /** 398 | * Retrieves the links collection 399 | * @return Array of link hashes (e.g. [{tag: 'userInfo', target: '/riak/users/bob'}]) 400 | */ 401 | RiakObject.prototype.getLinks = function() { 402 | return this.links; 403 | }; 404 | 405 | /** 406 | * Returns the links formatted for the Link header 407 | * @return - Link header string 408 | */ 409 | RiakObject.prototype.getLinkHeader = function() { 410 | if (this.links.length == 0) { 411 | return ''; 412 | } 413 | var header = ''; 414 | for (var i = 0; i < this.links.length; i++) { 415 | link = this.links[i]; 416 | header = header + '<' + link.target + '>; '; 417 | if (link.tag === 'rel=up') { 418 | header = header + 'rel="up", '; 419 | } 420 | else { 421 | header = header + 'riaktag=\"' + link.tag + '\", '; 422 | } 423 | } 424 | header = header.replace(/\"\"/g, '\"'); 425 | return header.replace(/,\s$/, ''); 426 | }; 427 | 428 | /** 429 | * Adds a link to the object's link collection 430 | * @param link - Pointer to other object (e.g. /riak/foo/bar) 431 | * @param tag - Tag for the link (e.g. 'userInfo') 432 | * @param noDuplicates - Toggle duplicate checking on/off 433 | * @return true if added, false otherwise 434 | */ 435 | RiakObject.prototype.addLink = function(link, tag, noDuplicates) { 436 | if (link.indexOf('/') == -1) { 437 | throw('Invalid link: ' + link); 438 | } 439 | var retval = true; 440 | if (noDuplicates === false || noDuplicates === undefined) { 441 | this.links.push({tag: tag, target:link}); 442 | } 443 | else { 444 | var foundDuplicate = false; 445 | for (var i = 0; i < this.links.length; i++) { 446 | foundDuplicate = this.links[i].tag === tag && 447 | this.links[i].target === link; 448 | if (foundDuplicate) { 449 | retval = false; 450 | break; 451 | } 452 | } 453 | if (!foundDuplicate) { 454 | this.links.push({tag: tag, target: link}); 455 | } 456 | } 457 | return retval; 458 | }; 459 | 460 | /** 461 | * Removes a link from the links collection based on 462 | * link and tag 463 | * @param link - Pointer to other object 464 | * @param tag - Tag for the link 465 | * @return true if link removed, false if not 466 | */ 467 | RiakObject.prototype.removeLink = function(link, tag) { 468 | var retval = false; 469 | var newLinks = this.links.filter(function(l) { return l.link !== link || l.tag !== tag; }); 470 | if (newLinkes.length != this.links.length) { 471 | retval = true; 472 | this.links = newLinks; 473 | } 474 | return retval; 475 | }; 476 | 477 | /** 478 | * Resets the links collection to an empty array 479 | */ 480 | RiakObject.prototype.clearLinks = function() { 481 | this.links = []; 482 | }; 483 | 484 | 485 | /** 486 | * Deletes an object from a Riak bucket 487 | * @param callback - Function to call when op complete 488 | * 489 | * callback - function(success, request) 490 | * @param success - Boolean flag indicating successful removal 491 | * @param request - XMLHTTPRequest object 492 | */ 493 | RiakObject.prototype.remove = function(callback) { 494 | var object = this; 495 | jQuery.ajax({url: this.client._buildPath('DELETE', this.bucket, this.key), 496 | type: 'DELETE', 497 | accepts: RiakUtil.multipart_accepts(), 498 | dataType: 'multipart', 499 | beforeSend: function(req) { req.setRequestHeader('X-Riak-ClientId', object.client.clientId); 500 | if (object.vclock !== undefined && object.vclock !== null) { 501 | req.setRequestHeader('X-Riak-Vclock', object.vclock); 502 | } 503 | }, 504 | complete: function(req, statusText) { if (callback !== undefined) { 505 | if (RiakUtil.wasSuccessful(req)) { 506 | callback(true, req); 507 | } 508 | else { 509 | callback(false, req); 510 | } 511 | } }}); 512 | }; 513 | 514 | /** 515 | * Store the object in Riak 516 | * @param callback - Function to call when op completes 517 | * 518 | * callback - function(status, object, request) 519 | * @param status - 'status' of the result: 'ok', 'failed', or 'siblings' 520 | * @param object - If status is 'ok', object is an updated RiakObject instance 521 | * If status is 'siblings', object is an array of RiakObject instances 522 | * which the client can pick from to resolve the conflict 523 | * If status is 'failed', object is null 524 | * NOTE: Use the updated version to prevent siblings & vector clock explosion 525 | * @param request - XMLHttpRequest object 526 | */ 527 | RiakObject.prototype.store = function(callback) { 528 | if (this.contentType === null) { 529 | throw('RiakObject missing contentType'); 530 | } 531 | var object = this; 532 | var objectData = null; 533 | if (this.contentType === 'application/json') { 534 | if (this.body !== undefined && this.body !== null) { 535 | objectData = JSON.stringify(this.body); 536 | } 537 | else { 538 | objectData = this.body; 539 | } 540 | } 541 | else { 542 | objectData = this.body; 543 | } 544 | jQuery.ajax({url: this.client._buildPath('PUT', this.bucket, this.key), 545 | type: 'PUT', 546 | data: objectData, 547 | contentType: this.contentType, 548 | accepts: RiakUtil.multipart_accepts(), 549 | dataType: 'multipart', 550 | beforeSend: function(req) { req.setRequestHeader('X-Riak-ClientId', object.client.clientId); 551 | if (object.vclock !== undefined && object.vclock !== null) { 552 | req.setRequestHeader('X-Riak-Vclock', object.vclock); 553 | } 554 | var linkHeader = object.getLinkHeader(); 555 | if (linkHeader !== '') { 556 | req.setRequestHeader('Link', linkHeader); 557 | } 558 | }, 559 | complete: function(req, statusText) { object._store(req, callback); } }); 560 | }; 561 | 562 | /** Start RiakObject Internals **/ 563 | RiakObject.prototype._store = function(req, callback) { 564 | if (req.readyState != 4) { 565 | return; 566 | } 567 | if (callback !== undefined && callback !== null) { 568 | if (req.status == 200 || req.status == 204) { 569 | callback('ok', RiakObject.fromRequest(this.bucket, this.key, this.client, req), req); 570 | } 571 | /* Uh-oh, we've got siblings! */ 572 | else if (req.status == 300) { 573 | var siblingData = RiakUtil.parseSiblings(req.getResponseHeader('Content-Type'), 574 | req.responseText); 575 | var vclock = req.getResponseHeader('X-Riak-Vclock'); 576 | var thisObject = this; 577 | var siblings = []; 578 | for (var i = 0; i < siblingData.length; i++) { 579 | var sd = siblingData[i]; 580 | var sib = RiakObject.fromMultipart(thisObject.bucket, thisObject.key, 581 | thisObject.client, vclock, sd); 582 | siblings.push(sib); 583 | } 584 | callback('siblings', siblings, req); 585 | } 586 | else { 587 | callback('failed', null, req); 588 | } 589 | } 590 | }; 591 | 592 | /** End RiakObject Internals **/ 593 | 594 | /** 595 | * Models a Riak bucket 596 | * @param bucket - Riak bucket name 597 | * @param client - RiakClient reference 598 | */ 599 | function RiakBucket(bucket, client, props) { 600 | if (client === undefined) { 601 | throw("Cannot construct RiakBucket without client reference"); 602 | } 603 | this.name = bucket; 604 | this.client = client; 605 | if (props == undefined) { 606 | this.props = {}; 607 | } 608 | else { 609 | this.props = props.props; 610 | } 611 | }; 612 | 613 | /** 614 | * "Hydrates" a RiakBucket from a HTTP request 615 | * @param bucketName - Riak bucket name (duh!) 616 | * @param client - RiakClient object 617 | * @param req - Active XMLHttpRequest object 618 | * @return populated RiakBucket instance 619 | */ 620 | RiakBucket.fromRequest = function(bucketName, client, req) { 621 | var props = JSON.parse(req.responseText); 622 | return new RiakBucket(bucketName, client, props); 623 | }; 624 | 625 | /** 626 | * Begins building a map/reduce job which will 627 | * use the entire bucket contents as input 628 | * @param options - Hash description the map phase 629 | * @return RiakMapper object 630 | */ 631 | RiakBucket.prototype.map = function(options) { 632 | var mapper = new RiakMapper(this.client, this.name); 633 | return mapper.map(options); 634 | }; 635 | 636 | /** 637 | * Begins building a map/reduce job which will 638 | * use the entire bucket contents as input 639 | * @param options - Hash description the reduce phase 640 | * @return RiakMapper object 641 | */ 642 | RiakBucket.prototype.reduce = function(options) { 643 | var mapper = new RiakMapper(this.client, this.name); 644 | return mapper.reduce(options); 645 | }; 646 | 647 | /** 648 | * Begins building a map/reduce job which will 649 | * use the entire bucket contents as input 650 | * @param options - Hash description the link phase 651 | * @return RiakMapper object 652 | */ 653 | RiakBucket.prototype.link = function(options) { 654 | var mapper = new RiakMapper(this.client, this.name); 655 | options.bucket = this.name; 656 | return mapper.link(options); 657 | }; 658 | 659 | /** 660 | * Sets/gets the nValue for this bucket 661 | * @param n -- New nValue (optional) 662 | * @return the current nValue 663 | */ 664 | RiakBucket.prototype.nValue = function(n) { 665 | var retval = this.props.n_val; 666 | if (n !== undefined) { 667 | this.props.n_val = n; 668 | retval = n; 669 | } 670 | return retval; 671 | }; 672 | 673 | /** 674 | * Enables/disables multiple bucket entries 675 | * @param flag -- true or false 676 | * @return the current setting 677 | */ 678 | RiakBucket.prototype.allowsMultiples = function(flag) { 679 | var retval = this.props.allow_mult; 680 | if (flag !== undefined) { 681 | this.props.allow_mult = flag; 682 | retval = flag; 683 | } 684 | return retval; 685 | }; 686 | 687 | /** 688 | * Stores bucket 689 | * @param callback - Function to call when op has completed 690 | * 691 | * callback - function(bucket, request) 692 | * @param bucket - Updated bucket or null if store failed 693 | * @param request - XMLHTTPRequest object 694 | */ 695 | RiakBucket.prototype.store = function(callback) { 696 | var bucket = this; 697 | var currentProps = {}; 698 | currentProps.props = this.props; 699 | jQuery.ajax({url: this.client._buildPath('PUT', this.name), 700 | type: 'PUT', 701 | data: JSON.stringify(currentProps), 702 | contentType: 'application/json', 703 | dataType: 'text', 704 | beforeSend: function(req) { 705 | req.setRequestHeader('X-Riak-ClientId', bucket.client.clientId); 706 | }, 707 | complete: function(req, statusText) { bucket._store(req, callback); } }); 708 | }; 709 | 710 | /** 711 | * Fetch an entry from the bucket 712 | * @param key - Riak bucket key 713 | * @param callback - Function to call when op has completed 714 | * 715 | * callback - function(object, request) 716 | * @param object - RiakObject if found, otherwise null 717 | * @param request - XMLHTTPRequest object 718 | */ 719 | RiakBucket.prototype.get = function(key, callback) { 720 | var bucket = this; 721 | jQuery.ajax({url: this.client._buildPath('GET', this.name, key), 722 | type: 'GET', 723 | accepts: RiakUtil.multipart_accepts(), 724 | dataType: 'multipart', 725 | beforeSend: function(req) { 726 | req.setRequestHeader('X-Riak-ClientId', bucket.client.clientId); 727 | }, 728 | complete: function(req, statusText) { bucket._handleGetObject(key, req, callback, false); } }); 729 | }; 730 | 731 | /** 732 | * Fetch an entry from the bucket or create a new one 733 | * if not found 734 | * @param key - Riak bucket key 735 | * @param callback - Function to call when op has completed 736 | * 737 | * callback - function(object, request) 738 | * @param object - RiakObject instance 739 | * @param request - XMLHTTPRequest object 740 | */ 741 | RiakBucket.prototype.get_or_new = function(key, callback) { 742 | var bucket = this; 743 | jQuery.ajax({url: this.client._buildPath('GET', this.name, key), 744 | type: 'GET', 745 | accepts: RiakUtil.multipart_accepts(), 746 | dataType: 'multipart', 747 | beforeSend: function(req) { 748 | req.setRequestHeader('X-Riak-ClientId', bucket.client.clientId); 749 | }, 750 | complete: function(req, statusText) { bucket._handleGetObject(key, req, callback, true); } }); 751 | }; 752 | 753 | /** 754 | * Deletes an object from a Riak bucket 755 | * @param key - Riak bucket key 756 | * @param callback - Function to call when op complete 757 | * 758 | * callback - function(success, request) 759 | * @param success - Boolean flag indicating successful removal 760 | * @param request - XMLHTTPRequest object 761 | */ 762 | RiakBucket.prototype.remove = function(key, callback) { 763 | var bucket = this; 764 | jQuery.ajax({url: this.client._buildPath('DELETE', bucket.name, key), 765 | type: 'DELETE', 766 | accepts: RiakUtil.multipart_accepts(), 767 | dataType: 'multipart', 768 | beforeSend: function(req) { req.setRequestHeader('X-Riak-ClientId', bucket.client.clientId); 769 | if (bucket.vclock !== undefined && bucket.vclock !== null) { 770 | req.setRequestHeader('X-Riak-Vclock', bucket.vclock); 771 | } 772 | }, 773 | complete: function(req, statusText) { if (callback !== undefined) { 774 | if (RiakUtil.wasSuccessful(req)) { 775 | callback(true, req); 776 | } 777 | else { 778 | callback(false, req); 779 | } 780 | } }}); 781 | }; 782 | 783 | /** Start RiakBucket internals **/ 784 | 785 | RiakBucket.prototype._store = function(req, callback) { 786 | if (req.readyState != 4) { 787 | return; 788 | } 789 | if (callback !== undefined) { 790 | if (req.status == 204) { 791 | this.client.bucket(this.name, callback); 792 | } 793 | else { 794 | callback(null, req); 795 | } 796 | } 797 | }; 798 | 799 | RiakBucket.prototype._handleGetObject = function(key, req, callback, createEmpty) { 800 | if (req.readyState != 4) { 801 | return; 802 | } 803 | var status = 'failed'; 804 | var object = null; 805 | if (callback !== null && callback !== undefined) { 806 | if (req.status == 200) { 807 | status = 'ok'; 808 | object = RiakObject.fromRequest(this.name, key, this.client, req); 809 | } 810 | else if ((req.status == 0 || req.status == 404)) 811 | { 812 | if (createEmpty === true) { 813 | status = 'ok'; 814 | object = new RiakObject(this.name, key, this.client); 815 | } 816 | /* must not create empty return failed/null */ 817 | } 818 | /* Uh-oh, we've got siblings! */ 819 | else if (req.status == 300) { 820 | var siblingData = RiakUtil.parseSiblings(req.getResponseHeader('Content-Type'), 821 | req.responseText); 822 | var vclock = req.getResponseHeader('X-Riak-Vclock'); 823 | var thisBucket = this; 824 | var siblings = []; 825 | for (var i = 0; i < siblingData.length; i++) { 826 | var sd = siblingData[i]; 827 | var sib = RiakObject.fromMultipart(thisBucket.name, key, 828 | thisBucket.client, vclock, sd); 829 | siblings.push(sib); 830 | } 831 | status = 'siblings' 832 | object = siblings; 833 | } 834 | callback(status, object, req); 835 | } 836 | }; 837 | 838 | /** End RiakBucket internals **/ 839 | 840 | 841 | /** 842 | * Entry point for interacting with Riak 843 | * @param baseUrl - URL for 'raw' interface (optional, default: '/riak') 844 | * @param mapredUrl - URL for map/reduce jobs (optional, default: '/mapred') 845 | */ 846 | function RiakClient(baseUrl, mapredUrl) { 847 | if (baseUrl === undefined) { 848 | baseUrl = '/riak/'; 849 | } 850 | else { 851 | if (baseUrl[0] !== '/') { 852 | baseUrl = '/' + baseUrl; 853 | } 854 | if ((baseUrl.slice(-1) !== '/')) { 855 | baseUrl += '/'; 856 | } 857 | } 858 | this.baseUrl = baseUrl; 859 | this.clientId = "js_" + RiakUtil.base64Encode(Math.floor(Math.random() * 4294967296)); 860 | if (mapredUrl !== undefined) { 861 | this.mapredUrl = mapredUrl; 862 | } 863 | else { 864 | this.mapredUrl = '/mapred'; 865 | } 866 | }; 867 | 868 | /** 869 | * Fetches a bucket from Riak 870 | * Buckets *always* exist so no need to handle 871 | * @param bucket Riak bucket name 872 | * @param callback Function to call when op completes 873 | * 874 | * callback - function(bucket, request) 875 | * @param bucket - RiakBucket instance 876 | * @param request - XMLHTTPRequest object 877 | */ 878 | RiakClient.prototype.bucket = function(bucket, callback) { 879 | var client = this; 880 | jQuery.ajax({url: this._buildPath('GET', bucket), 881 | type: 'GET', 882 | contentType: 'application/json', 883 | dataType: 'text', 884 | beforeSend: function(req) { 885 | req.setRequestHeader('X-Riak-ClientId', this.clientId); 886 | }, 887 | complete: function(req, statusText) { client._handleGetBucket(bucket, req, callback, false); } }); 888 | }; 889 | 890 | /** Begin RiakClient internal functions **/ 891 | RiakClient.prototype._handleGetBucket = function(bucketName, req, callback, createEmpty) { 892 | var bucket = null; 893 | if (req.readyState != 4) { 894 | return; 895 | } 896 | if (callback !== undefined) { 897 | if (req.status == 200) { 898 | bucket = RiakBucket.fromRequest(bucketName, this, req); 899 | } 900 | callback(bucket, req); 901 | } 902 | }; 903 | 904 | RiakClient.prototype._buildPath = function(method, bucket, key) { 905 | var path = this.baseUrl + bucket; 906 | /* Reluctantly adding a cache breaker to each request. FireFox 907 | ** sometimes caches XHR responses which triggers failures in the 908 | ** unit tests (and presumably real code). See 'bypassing the cache' 909 | ** in https://developer-stage.mozilla.org/En/Using_XMLHttpRequest 910 | */ 911 | var cache_breaker = Math.floor(Math.random() * 4294967296).toString(); 912 | if (key !== undefined) { 913 | path = path + '/' + key + "?" + cache_breaker; 914 | if (method === 'PUT') { 915 | path = path + '&returnbody=true'; 916 | } 917 | } 918 | else { 919 | path = path + "?" + cache_breaker; 920 | if (method === 'GET') { 921 | path = path + '&keys=false'; 922 | } 923 | } 924 | return path; 925 | }; 926 | 927 | /** End RiakClient internal Functions **/ 928 | -------------------------------------------------------------------------------- /yak/styles.css: -------------------------------------------------------------------------------- 1 | /* Generic top-level elements */ 2 | html, body { 3 | height: 100%; 4 | min-height: 100%; 5 | font-family: Helvetica, Arial, sans-serif; 6 | margin: 0; 7 | padding: 0; 8 | } 9 | 10 | /* Layout top-level elements */ 11 | h1 { 12 | font-size: 14px; 13 | line-height: 1em; 14 | min-width: 99%; 15 | max-width: 100%; 16 | max-height: 5%; 17 | margin: 0; 18 | padding: 5px; 19 | background-color: #cdd; 20 | } 21 | 22 | ol#chatlog { 23 | margin:0; 24 | height: 75%; 25 | min-height: 75%; 26 | max-height: 75%; 27 | overflow-y: auto; 28 | overflow-x: hidden; 29 | padding: 0 3px; 30 | } 31 | 32 | form#chatbox { 33 | height: 75px; 34 | min-height: 75px; 35 | width: 100%; 36 | min-width: 100%; 37 | position: fixed; 38 | bottom: 0; 39 | } 40 | 41 | form#login { 42 | width: 300px; 43 | margin: 20% auto 0; 44 | } 45 | 46 | /* Timeline styles */ 47 | ol#chatlog li { 48 | margin: 0; 49 | border-bottom: 1px solid #d8d8d8; 50 | list-style-type: none; 51 | padding: 3px; 52 | float: left; 53 | min-width: 99%; 54 | max-width: 100%; 55 | width: 100%; 56 | clear: both; 57 | font-size: 14px; 58 | } 59 | 60 | ol#chatlog li span.timestamp { 61 | float:right; 62 | color: #999; 63 | font-size: 10px; 64 | margin: 0 3px; 65 | } 66 | 67 | ol#chatlog li span.name { 68 | -moz-border-radius: 5px; 69 | -webkit-border-radius: 5px; 70 | border-radius: 5px; 71 | background-color: #ddd; 72 | font-size: 12px; 73 | padding: 1px 6px; 74 | margin-right: 10px; 75 | } 76 | 77 | ol#chatlog li img { 78 | float: left; 79 | padding: 1px; 80 | margin: 0 3px 0 0; 81 | border: 1px solid #eee; 82 | } 83 | 84 | ol#chatlog li.me { 85 | background-color: #cfc; 86 | border-bottom: 1px solid #696; 87 | } 88 | 89 | ol#chatlog li.me span.name { 90 | color: white; 91 | background-color: #060; 92 | } 93 | 94 | ol#chatlog li.me span.timestamp { 95 | color: #696; 96 | } 97 | 98 | /* Generic form elements */ 99 | form ol { 100 | list-style-type: none; 101 | padding: 0; 102 | } 103 | 104 | form ol li { 105 | padding: 0; 106 | margin-bottom: 0.5em; 107 | } 108 | 109 | fieldset { 110 | border: none; 111 | -moz-border-radius: 5px; 112 | -webkit-border-radius: 5px; 113 | border-radius: 5px; 114 | background-color: #dee; 115 | } 116 | 117 | fieldset legend { 118 | background-color: #cdd; 119 | -moz-border-radius: 5px; 120 | -webkit-border-radius: 5px; 121 | border-radius: 5px; 122 | padding: 2px 5px; 123 | } 124 | 125 | label { 126 | display: block; 127 | font-size: 80%; 128 | font-weight: bold; 129 | } 130 | 131 | label + input { 132 | font-size: 18px; 133 | } 134 | 135 | input#message { 136 | width: 99%; 137 | max-width: 100%; 138 | } 139 | -------------------------------------------------------------------------------- /yak/yakriak.js: -------------------------------------------------------------------------------- 1 | Function.prototype.bind = function(target){ 2 | var func = this; 3 | return function(){ return func.apply(target, arguments); }; 4 | } 5 | 6 | var YakRiak = function(){ 7 | this.interval = 1000; // Polling interval: 1s (Use caution!) 8 | this.since = new Date().getTime() - (60 * 60 * 1000); // Scope to the last hour initially 9 | this.client = new RiakClient(); 10 | this.bucket = new RiakBucket('messages', this.client); 11 | window.onunload = this.stop.bind(this); 12 | }; 13 | 14 | YakRiak.prototype.poll = function(){ 15 | this.bucket. 16 | map({"bucket":"yakmr", "key":"mapMessageSince", "arg":this.since}). 17 | reduce({"bucket":"yakmr", "key":"reduceSortTimestamp", "keep":true}). 18 | run(this._poll.bind(this)); 19 | }; 20 | 21 | YakRiak.prototype.initialPoll = function(){ 22 | this.bucket. 23 | map({"bucket":"yakmr", "key":"mapMessageSince", "arg":this.since}). 24 | reduce({"bucket":"yakmr", "key":"reduceSortTimestamp"}). 25 | reduce({"bucket":"yakmr", "key":"reduceLimitLastN", "arg":25, "keep":true}). 26 | run(this._poll.bind(this)); 27 | } 28 | 29 | YakRiak.prototype._poll = function(successful, data, request){ 30 | var yakriak = this; 31 | if(successful){ 32 | var last_item = data[data.length - 1]; 33 | if(last_item && last_item.timestamp) 34 | this.since = last_item.timestamp + 0.01; // Try to avoid duplicates on next poll 35 | $.each(data, this.displayMessage.bind(this)); 36 | } 37 | this.pollingTimeout = setTimeout(function(){ yakriak.poll(); }, this.randomInterval()); 38 | }; 39 | 40 | // Should help prevent dogpile effects 41 | YakRiak.prototype.randomInterval = function(){ 42 | return Math.round((Math.random()-0.5)*this.interval/2 + this.interval); 43 | }; 44 | 45 | YakRiak.prototype.displayMessage = function(index, item){ 46 | if($('#' + item.key).length == 0){ 47 | var elem = $('
  • '); 48 | var avatar = $('').attr('src', 'http://gravatar.com/avatar/' + item.gravatar + '?s=40'); 49 | var name = $('').addClass('name').html(item.name); 50 | var message = $('').addClass('message').html(item.message); 51 | var timestamp = $('').addClass('timestamp').text(new Date(item.timestamp).toLocaleTimeString()); 52 | elem.append(timestamp).append(avatar).append(name).append(message); 53 | if(item.name == this.name && item.gravatar == this.gravatar) 54 | elem.addClass('me'); 55 | $('ol#chatlog').append(elem).attr({ scrollTop: $('ol#chatlog').attr("scrollHeight") }); 56 | } 57 | } 58 | 59 | YakRiak.prototype.postMessage = function(message){ 60 | var yakriak = this; 61 | message = $.trim(message); 62 | if(message.length > 0){ 63 | var key = hex_md5(this.client.clientId + new Date().toString()); 64 | var object = new RiakObject('messages', key, this.client, undefined, 'application/json'); 65 | object.body = { 66 | 'key': key, 67 | 'message': this.escape(message), 68 | 'name': this.escape(this.name), 69 | 'gravatar': this.gravatar, 70 | 'timestamp': new Date().getTime() 71 | }; 72 | object.store(function(){ yakriak.displayMessage(null, object.body) }); 73 | } 74 | $('form#chatbox').get(0).reset(); 75 | }; 76 | 77 | YakRiak.prototype.escape = function(string){ 78 | return string.replace(/&/g, '&').replace(//g, '>'); 79 | } 80 | 81 | YakRiak.prototype.start = function(name, email){ 82 | this.name = name; 83 | this.gravatar = (email && email.indexOf('@') != -1) ? hex_md5(email) : email; 84 | if($.trim(this.name).length != 0){ 85 | if(Cookie.accept()){ 86 | Cookie.set('yakriak.name', this.name, 4); 87 | Cookie.set('yakriak.gravatar', this.gravatar, 4); 88 | } 89 | $('form#login').hide(); 90 | $('ol#chatlog, form#chatbox').show(); 91 | this.initialPoll(); 92 | } else { 93 | alert("Please enter a name for yourself. An email would be nice too (not sent over the wire)."); 94 | } 95 | }; 96 | 97 | YakRiak.prototype.stop = function(){ 98 | clearTimeout(this.pollingTimeout); 99 | }; 100 | 101 | (function($){ 102 | $(function(){ 103 | var yakriak = new YakRiak(); 104 | if(Cookie.accept()){ 105 | var name = Cookie.get('yakriak.name'); 106 | var gravatar = Cookie.get('yakriak.gravatar'); 107 | if(name) 108 | yakriak.start(name, gravatar); 109 | } 110 | $('form#login').submit(function(e){ 111 | e.preventDefault(); 112 | yakriak.start($('#name').val(), $('#email').val()); 113 | return false; 114 | }); 115 | $('form#chatbox').submit(function(e){ 116 | e.preventDefault(); 117 | yakriak.postMessage($('#message').val()); 118 | }); 119 | }); 120 | })(jQuery); 121 | -------------------------------------------------------------------------------- /yakmr/mapMessageSince: -------------------------------------------------------------------------------- 1 | function(object, keyData, arg){ 2 | var value = Riak.mapValuesJson(object)[0]; 3 | if(value.timestamp >= arg) 4 | return [value]; 5 | else 6 | return []; 7 | } 8 | -------------------------------------------------------------------------------- /yakmr/reduceLimitLastN: -------------------------------------------------------------------------------- 1 | function(values, arg){ 2 | return values.slice(-arg); 3 | } 4 | -------------------------------------------------------------------------------- /yakmr/reduceSortTimestamp: -------------------------------------------------------------------------------- 1 | function(values){ 2 | return Riak.filterNotFound(values). 3 | sort(function(a,b){ 4 | return a.timestamp - b.timestamp; 5 | }); 6 | } 7 | --------------------------------------------------------------------------------