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3.12.1. Enabling CORS To enable CORS support, you need to set the enable_cors = true option in the [httpd] section of local.ini, and add a [cors] section containing a origins = * setting. Note that by default, no origins are accepted; you must either use a wildcard or whitelist.
[httpd] enable_cors = true
[cors] origins = *
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CouchDB accessing prototype
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| (function setupConfiguration(mainScope){ | |
| mainScope.config={ | |
| couchdb : { | |
| port : 5984, | |
| db : 'test', | |
| url : '' | |
| } | |
| }; | |
| mainScope.config.couchdb.url = | |
| 'http://' + | |
| mainScope.location.hostname + ':' + mainScope.config.couchdb.port + '/' + mainScope.config.couchdb.db; | |
| })(window); |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="Cache-Control" content="no-cache"> | |
| <style> | |
| body { | |
| margin:0; | |
| } | |
| .fade-out { | |
| visibility: hidden; | |
| max-height : 0; | |
| opacity: 0; | |
| transition: visibility 0s 2s, opacity 2s linear; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="config.js"></script> | |
| <script src="main.js"></script> | |
| </body> |
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| (function setupConfiguration(mainScope, d3, config){ | |
| 'use strict'; | |
| function CouchAPI(){ | |
| this.get = function(key) { | |
| d3.json(urlFor(key), defaultResponseVisualizer); | |
| }; | |
| function urlFor(key){ | |
| return config.url + '/' + key; | |
| } | |
| } | |
| function logMessageArea() { | |
| var AREA_CSS = 'couchdb-message-area'; | |
| var node = d3.select('.' + AREA_CSS); | |
| if(node.empty()) { | |
| node = createNode(mainScope.document.lastChild, 'div', AREA_CSS); | |
| } | |
| return node.node(); | |
| } | |
| function defaultResponseVisualizer(error, json) { | |
| var formattedJson = JSON.stringify(json, '\t', 3), | |
| MESSAGE_CSS = 'couchdb-response', | |
| FADEOUT_CSS = 'fade-out'; | |
| var node = d3.select('.' + MESSAGE_CSS); | |
| if(!node.empty()) { | |
| node.classed(MESSAGE_CSS,false) | |
| .classed(FADEOUT_CSS,true); | |
| } | |
| node = createNode(logMessageArea(), 'pre', MESSAGE_CSS); | |
| node.classed('error',!!error).text(formattedJson); | |
| } | |
| function createNode(parentNode, tagName,cssClass) { | |
| var domNode = mainScope.document.createElement(tagName); | |
| parentNode.appendChild(domNode); | |
| return d3.select(domNode).classed(cssClass, true); | |
| } | |
| mainScope.couchDB = new CouchAPI(); | |
| })(window, d3, window.config.couchdb); |
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